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From pnol...@apache.org
Subject [3/6] celix git commit: CELIX-389: Adds Celix Publish Subscribe donation.
Date Mon, 06 Feb 2017 14:23:02 GMT
http://git-wip-us.apache.org/repos/asf/celix/blob/f9a5fb11/celix-pubsub/pubsub/pubsub_admin_zmq/private/src/pubsub_admin_impl.c
----------------------------------------------------------------------
diff --git a/celix-pubsub/pubsub/pubsub_admin_zmq/private/src/pubsub_admin_impl.c b/celix-pubsub/pubsub/pubsub_admin_zmq/private/src/pubsub_admin_impl.c
new file mode 100644
index 0000000..47bf094
--- /dev/null
+++ b/celix-pubsub/pubsub/pubsub_admin_zmq/private/src/pubsub_admin_impl.c
@@ -0,0 +1,699 @@
+/**
+ *Licensed to the Apache Software Foundation (ASF) under one
+ *or more contributor license agreements.  See the NOTICE file
+ *distributed with this work for additional information
+ *regarding copyright ownership.  The ASF licenses this file
+ *to you under the Apache License, Version 2.0 (the
+ *"License"); you may not use this file except in compliance
+ *with the License.  You may obtain a copy of the License at
+ *
+ *  http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *Unless required by applicable law or agreed to in writing,
+ *software distributed under the License is distributed on an
+ *"AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ *specific language governing permissions and limitations
+ *under the License.
+ */
+/*
+ * pubsub_admin_impl.c
+ *
+ *  \date       Sep 30, 2011
+ *  \author    	<a href="mailto:dev@celix.apache.org">Apache Celix Project Team</a>
+ *  \copyright	Apache License, Version 2.0
+ */
+
+#include "pubsub_admin_impl.h"
+#include <zmq.h>
+
+#include <stdio.h>
+#include <stdlib.h>
+
+#include <arpa/inet.h>
+#include <sys/socket.h>
+#include <netdb.h>
+
+#ifndef ANDROID
+#include <ifaddrs.h>
+#endif
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <string.h>
+
+#include "constants.h"
+#include "utils.h"
+#include "hash_map.h"
+#include "array_list.h"
+#include "bundle_context.h"
+#include "bundle.h"
+#include "service_reference.h"
+#include "service_registration.h"
+#include "log_helper.h"
+#include "log_service.h"
+#include "celix_threads.h"
+#include "service_factory.h"
+
+#include "topic_subscription.h"
+#include "pubsub_publish_service_private.h"
+#include "pubsub_endpoint.h"
+#include "pubsub_utils.h"
+#include "subscriber.h"
+
+#define MAX_KEY_FOLDER_PATH_LENGTH 512
+
+static const char *DEFAULT_IP = "127.0.0.1";
+
+static celix_status_t pubsubAdmin_getIpAdress(const char* interface, char** ip);
+static celix_status_t pubsubAdmin_addSubscriptionToPendingList(pubsub_admin_pt admin,pubsub_endpoint_pt subEP);
+static celix_status_t pubsubAdmin_addAnySubscription(pubsub_admin_pt admin,pubsub_endpoint_pt subEP);
+
+celix_status_t pubsubAdmin_create(bundle_context_pt context, pubsub_admin_pt *admin) {
+	celix_status_t status = CELIX_SUCCESS;
+
+#ifdef USE_ZMQ_SECURITY
+	if (!zsys_has_curve()){
+		printf("PSA: zeromq curve unsupported\n");
+		return CELIX_SERVICE_EXCEPTION;
+	}
+#endif
+
+	*admin = calloc(1, sizeof(**admin));
+
+	if (!*admin) {
+		status = CELIX_ENOMEM;
+	}
+	else{
+
+		const char *ip = NULL;
+		char *detectedIp = NULL;
+		(*admin)->bundle_context= context;
+		(*admin)->localPublications = hashMap_create(utils_stringHash, NULL, utils_stringEquals, NULL);
+		(*admin)->subscriptions = hashMap_create(utils_stringHash, NULL, utils_stringEquals, NULL);
+		(*admin)->pendingSubscriptions = hashMap_create(utils_stringHash, NULL, utils_stringEquals, NULL);
+		(*admin)->externalPublications = hashMap_create(utils_stringHash, NULL, utils_stringEquals, NULL);
+
+		celixThreadMutex_create(&(*admin)->localPublicationsLock, NULL);
+		celixThreadMutex_create(&(*admin)->subscriptionsLock, NULL);
+		celixThreadMutex_create(&(*admin)->pendingSubscriptionsLock, NULL);
+		celixThreadMutex_create(&(*admin)->externalPublicationsLock, NULL);
+
+		if (logHelper_create(context, &(*admin)->loghelper) == CELIX_SUCCESS) {
+			logHelper_start((*admin)->loghelper);
+		}
+
+		bundleContext_getProperty(context,PSA_IP , &ip);
+
+#ifndef ANDROID
+		if (ip == NULL) {
+			const char *interface = NULL;
+
+			bundleContext_getProperty(context, PSA_ITF, &interface);
+			if (pubsubAdmin_getIpAdress(interface, &detectedIp) != CELIX_SUCCESS) {
+				logHelper_log((*admin)->loghelper, OSGI_LOGSERVICE_WARNING, "PSA: Could not retrieve IP adress for interface %s", interface);
+			}
+
+			ip = detectedIp;
+		}
+#endif
+
+		if (ip != NULL) {
+			logHelper_log((*admin)->loghelper, OSGI_LOGSERVICE_INFO, "PSA: Using %s for service annunciation", ip);
+			(*admin)->ipAddress = strdup(ip);
+		}
+		else {
+			logHelper_log((*admin)->loghelper, OSGI_LOGSERVICE_WARNING, "PSA: No IP address for service annunciation set. Using %s", DEFAULT_IP);
+			(*admin)->ipAddress = strdup(DEFAULT_IP);
+		}
+
+		if (detectedIp != NULL) {
+			free(detectedIp);
+		}
+
+        const char* basePortStr = NULL;
+        const char* maxPortStr = NULL;
+        char* endptrBase = NULL;
+        char* endptrMax = NULL;
+        bundleContext_getPropertyWithDefault(context, PSA_ZMQ_BASE_PORT, "PSA_ZMQ_DEFAULT_BASE_PORT", &basePortStr);
+        bundleContext_getPropertyWithDefault(context, PSA_ZMQ_MAX_PORT, "PSA_ZMQ_DEFAULT_MAX_PORT", &maxPortStr);
+        (*admin)->basePort = strtol(basePortStr, &endptrBase, 10);
+        (*admin)->maxPort = strtol(maxPortStr, &endptrMax, 10);
+        if (*endptrBase != '\0') {
+            (*admin)->basePort = PSA_ZMQ_DEFAULT_BASE_PORT;
+        }
+        if (*endptrMax != '\0') {
+            (*admin)->maxPort = PSA_ZMQ_DEFAULT_MAX_PORT;
+        }
+
+        printf("PSA Using base port %u to max port %u\n", (*admin)->basePort, (*admin)->maxPort);
+
+        // Disable Signal Handling by CZMQ
+		setenv("ZSYS_SIGHANDLER", "false", true);
+
+		const char *nrZmqThreads = NULL;
+		bundleContext_getProperty(context, "PSA_NR_ZMQ_THREADS", &nrZmqThreads);
+
+		if(nrZmqThreads != NULL) {
+			char *endPtr = NULL;
+			unsigned int nrThreads = strtoul(nrZmqThreads, &endPtr, 10);
+			if(endPtr != nrZmqThreads && nrThreads > 0 && nrThreads < 50) {
+				zsys_set_io_threads(nrThreads);
+				logHelper_log((*admin)->loghelper, OSGI_LOGSERVICE_INFO, "PSA: Using %d threads for ZMQ", nrThreads);
+				printf("PSA: Using %d threads for ZMQ\n", nrThreads);
+			}
+		}
+
+#ifdef USE_ZMQ_SECURITY
+		// Setup authenticator
+		zactor_t* auth = zactor_new (zauth, NULL);
+		zstr_sendx(auth, "VERBOSE", NULL);
+
+		// Load all public keys of subscribers into the application
+		// This step is done for authenticating subscribers
+		char curve_folder_path[MAX_KEY_FOLDER_PATH_LENGTH];
+		char* keys_bundle_dir = pubsub_getKeysBundleDir(context);
+		snprintf(curve_folder_path, MAX_KEY_FOLDER_PATH_LENGTH, "%s/META-INF/keys/subscriber/public", keys_bundle_dir);
+		zstr_sendx (auth, "CURVE", curve_folder_path, NULL);
+		free(keys_bundle_dir);
+
+		(*admin)->zmq_auth = auth;
+#endif
+
+	}
+
+	return status;
+}
+
+
+celix_status_t pubsubAdmin_destroy(pubsub_admin_pt admin)
+{
+	celix_status_t status = CELIX_SUCCESS;
+
+	free(admin->ipAddress);
+
+	celixThreadMutex_lock(&admin->pendingSubscriptionsLock);
+	hash_map_iterator_pt iter = hashMapIterator_create(admin->pendingSubscriptions);
+	while(hashMapIterator_hasNext(iter)){
+		hash_map_entry_pt entry = hashMapIterator_nextEntry(iter);
+		free((char*)hashMapEntry_getKey(entry));
+		arrayList_destroy((array_list_pt)hashMapEntry_getValue(entry));
+	}
+	hashMapIterator_destroy(iter);
+	hashMap_destroy(admin->pendingSubscriptions,false,false);
+	celixThreadMutex_unlock(&admin->pendingSubscriptionsLock);
+
+	celixThreadMutex_lock(&admin->subscriptionsLock);
+	hashMap_destroy(admin->subscriptions,false,false);
+	celixThreadMutex_unlock(&admin->subscriptionsLock);
+
+	celixThreadMutex_lock(&admin->localPublicationsLock);
+	hashMap_destroy(admin->localPublications,true,false);
+	celixThreadMutex_unlock(&admin->localPublicationsLock);
+
+	celixThreadMutex_lock(&admin->externalPublicationsLock);
+	iter = hashMapIterator_create(admin->externalPublications);
+	while(hashMapIterator_hasNext(iter)){
+		hash_map_entry_pt entry = hashMapIterator_nextEntry(iter);
+		free((char*)hashMapEntry_getKey(entry));
+		arrayList_destroy((array_list_pt)hashMapEntry_getValue(entry));
+	}
+	hashMapIterator_destroy(iter);
+	hashMap_destroy(admin->externalPublications,false,false);
+	celixThreadMutex_unlock(&admin->externalPublicationsLock);
+
+	celixThreadMutex_destroy(&admin->pendingSubscriptionsLock);
+	celixThreadMutex_destroy(&admin->subscriptionsLock);
+	celixThreadMutex_destroy(&admin->localPublicationsLock);
+	celixThreadMutex_destroy(&admin->externalPublicationsLock);
+
+	logHelper_stop(admin->loghelper);
+
+	logHelper_destroy(&admin->loghelper);
+
+#ifdef USE_ZMQ_SECURITY
+	if (admin->zmq_auth != NULL){
+		zactor_destroy(&(admin->zmq_auth));
+	}
+#endif
+
+	free(admin);
+
+	return status;
+}
+
+static celix_status_t pubsubAdmin_addAnySubscription(pubsub_admin_pt admin,pubsub_endpoint_pt subEP){
+	celix_status_t status = CELIX_SUCCESS;
+
+	celixThreadMutex_lock(&admin->subscriptionsLock);
+
+	topic_subscription_pt any_sub = hashMap_get(admin->subscriptions,PUBSUB_ANY_SUB_TOPIC);
+
+	if(any_sub==NULL){
+
+		int i;
+
+		status += pubsub_topicSubscriptionCreate(admin->bundle_context, PUBSUB_SUBSCRIBER_SCOPE_DEFAULT, PUBSUB_ANY_SUB_TOPIC, &any_sub);
+
+		if (status == CELIX_SUCCESS){
+
+			/* Connect all internal publishers */
+			celixThreadMutex_lock(&admin->localPublicationsLock);
+			hash_map_iterator_pt lp_iter =hashMapIterator_create(admin->localPublications);
+			while(hashMapIterator_hasNext(lp_iter)){
+				service_factory_pt factory = (service_factory_pt)hashMapIterator_nextValue(lp_iter);
+				topic_publication_pt topic_pubs = (topic_publication_pt)factory->handle;
+				array_list_pt topic_publishers = pubsub_topicPublicationGetPublisherList(topic_pubs);
+
+				if(topic_publishers!=NULL){
+					for(i=0;i<arrayList_size(topic_publishers);i++){
+						pubsub_endpoint_pt pubEP = (pubsub_endpoint_pt)arrayList_get(topic_publishers,i);
+						if(pubEP->endpoint !=NULL){
+							status += pubsub_topicSubscriptionConnectPublisher(any_sub,pubEP->endpoint);
+						}
+					}
+				}
+			}
+			hashMapIterator_destroy(lp_iter);
+			celixThreadMutex_unlock(&admin->localPublicationsLock);
+
+			/* Connect also all external publishers */
+			celixThreadMutex_lock(&admin->externalPublicationsLock);
+			hash_map_iterator_pt extp_iter =hashMapIterator_create(admin->externalPublications);
+			while(hashMapIterator_hasNext(extp_iter)){
+				array_list_pt ext_pub_list = (array_list_pt)hashMapIterator_nextValue(extp_iter);
+				if(ext_pub_list!=NULL){
+					for(i=0;i<arrayList_size(ext_pub_list);i++){
+						pubsub_endpoint_pt pubEP = (pubsub_endpoint_pt)arrayList_get(ext_pub_list,i);
+						if(pubEP->endpoint !=NULL){
+							status += pubsub_topicSubscriptionConnectPublisher(any_sub,pubEP->endpoint);
+						}
+					}
+				}
+			}
+			hashMapIterator_destroy(extp_iter);
+			celixThreadMutex_unlock(&admin->externalPublicationsLock);
+
+
+			pubsub_topicSubscriptionAddSubscriber(any_sub,subEP);
+
+			status += pubsub_topicSubscriptionStart(any_sub);
+
+		}
+
+		if (status == CELIX_SUCCESS){
+			hashMap_put(admin->subscriptions,strdup(PUBSUB_ANY_SUB_TOPIC),any_sub);
+		}
+
+	}
+
+	celixThreadMutex_unlock(&admin->subscriptionsLock);
+
+	return status;
+}
+
+celix_status_t pubsubAdmin_addSubscription(pubsub_admin_pt admin,pubsub_endpoint_pt subEP){
+	celix_status_t status = CELIX_SUCCESS;
+
+	printf("PSA: Received subscription [FWUUID=%s bundleID=%ld scope=%s, topic=%s]\n",subEP->frameworkUUID,subEP->serviceID,subEP->scope, subEP->topic);
+
+	if(strcmp(subEP->topic,PUBSUB_ANY_SUB_TOPIC)==0){
+		return pubsubAdmin_addAnySubscription(admin,subEP);
+	}
+
+	/* Check if we already know some publisher about this topic, otherwise let's put the subscription in the pending hashmap */
+	celixThreadMutex_lock(&admin->localPublicationsLock);
+	celixThreadMutex_lock(&admin->externalPublicationsLock);
+
+    char* scope_topic = createScopeTopicKey(subEP->scope, subEP->topic);
+
+	service_factory_pt factory = (service_factory_pt)hashMap_get(admin->localPublications,scope_topic);
+	array_list_pt ext_pub_list = (array_list_pt)hashMap_get(admin->externalPublications,scope_topic);
+
+	if(factory==NULL && ext_pub_list==NULL){ //No (local or external) publishers yet for this topic
+		celixThreadMutex_lock(&admin->pendingSubscriptionsLock);
+		pubsubAdmin_addSubscriptionToPendingList(admin,subEP);
+		celixThreadMutex_unlock(&admin->pendingSubscriptionsLock);
+	} else {
+		int i;
+		topic_subscription_pt subscription = hashMap_get(admin->subscriptions, scope_topic);
+
+		if(subscription == NULL) {
+			status += pubsub_topicSubscriptionCreate(admin->bundle_context,subEP->scope, subEP->topic,&subscription);
+
+			if (status==CELIX_SUCCESS){
+
+				/* Try to connect internal publishers */
+				if(factory!=NULL){
+					topic_publication_pt topic_pubs = (topic_publication_pt)factory->handle;
+					array_list_pt topic_publishers = pubsub_topicPublicationGetPublisherList(topic_pubs);
+
+					if(topic_publishers!=NULL){
+						for(i=0;i<arrayList_size(topic_publishers);i++){
+							pubsub_endpoint_pt pubEP = (pubsub_endpoint_pt)arrayList_get(topic_publishers,i);
+							if(pubEP->endpoint !=NULL){
+								status += pubsub_topicSubscriptionConnectPublisher(subscription,pubEP->endpoint);
+							}
+						}
+					}
+
+				}
+
+				/* Look also for external publishers */
+				if(ext_pub_list!=NULL){
+					for(i=0;i<arrayList_size(ext_pub_list);i++){
+						pubsub_endpoint_pt pubEP = (pubsub_endpoint_pt)arrayList_get(ext_pub_list,i);
+						if(pubEP->endpoint !=NULL){
+							status += pubsub_topicSubscriptionConnectPublisher(subscription,pubEP->endpoint);
+						}
+					}
+				}
+
+				pubsub_topicSubscriptionAddSubscriber(subscription,subEP);
+
+				status += pubsub_topicSubscriptionStart(subscription);
+
+			}
+
+			if(status==CELIX_SUCCESS){
+				celixThreadMutex_lock(&admin->subscriptionsLock);
+				hashMap_put(admin->subscriptions,strdup(scope_topic),subscription);
+				celixThreadMutex_unlock(&admin->subscriptionsLock);
+			}
+		}
+
+		if (status == CELIX_SUCCESS){
+			pubsub_topicIncreaseNrSubscribers(subscription);
+		}
+	}
+
+    free(scope_topic);
+	celixThreadMutex_unlock(&admin->externalPublicationsLock);
+	celixThreadMutex_unlock(&admin->localPublicationsLock);
+
+	return status;
+
+}
+
+celix_status_t pubsubAdmin_removeSubscription(pubsub_admin_pt admin,pubsub_endpoint_pt subEP){
+	celix_status_t status = CELIX_SUCCESS;
+
+	printf("PSA: Removing subscription [FWUUID=%s bundleID=%ld topic=%s]\n",subEP->frameworkUUID,subEP->serviceID,subEP->topic);
+
+	celixThreadMutex_lock(&admin->subscriptionsLock);
+
+	topic_subscription_pt sub = (topic_subscription_pt)hashMap_get(admin->subscriptions,subEP->topic);
+
+	if(sub!=NULL){
+		pubsub_topicDecreaseNrSubscribers(sub);
+		if(pubsub_topicGetNrSubscribers(sub) == 0) {
+			status = pubsub_topicSubscriptionRemoveSubscriber(sub,subEP);
+		}
+	}
+	else{
+		status = CELIX_ILLEGAL_STATE;
+	}
+
+	celixThreadMutex_unlock(&admin->subscriptionsLock);
+
+	return status;
+
+}
+
+celix_status_t pubsubAdmin_addPublication(pubsub_admin_pt admin, pubsub_endpoint_pt pubEP) {
+    celix_status_t status = CELIX_SUCCESS;
+
+    printf("PSA: Received publication [FWUUID=%s bundleID=%ld scope=%s, topic=%s]\n", pubEP->frameworkUUID, pubEP->serviceID, pubEP->scope, pubEP->topic);
+
+    const char* fwUUID = NULL;
+
+    char *scope_topic = createScopeTopicKey(pubEP->scope, pubEP->topic);
+    bundleContext_getProperty(admin->bundle_context, OSGI_FRAMEWORK_FRAMEWORK_UUID, &fwUUID);
+    if (fwUUID == NULL) {
+        printf("PSA: Cannot retrieve fwUUID.\n");
+        return CELIX_INVALID_BUNDLE_CONTEXT;
+    }
+
+    if ((strcmp(pubEP->frameworkUUID, fwUUID) == 0) && (pubEP->endpoint == NULL)) {
+
+        celixThreadMutex_lock(&admin->localPublicationsLock);
+
+        service_factory_pt factory = (service_factory_pt) hashMap_get(admin->localPublications, scope_topic);
+
+        if (factory == NULL) {
+            topic_publication_pt pub = NULL;
+            status = pubsub_topicPublicationCreate(admin->bundle_context, pubEP, admin->ipAddress, admin->basePort, admin->maxPort, &pub);
+            if (status == CELIX_SUCCESS) {
+                status = pubsub_topicPublicationStart(admin->bundle_context, pub, &factory);
+                if (status == CELIX_SUCCESS && factory != NULL) {
+                    hashMap_put(admin->localPublications, strdup(scope_topic), factory);
+                }
+            } else {
+                printf("PSA: Cannot create a topicPublication for scope=%s, topic=%s (bundle %ld).\n", pubEP->scope, pubEP->topic, pubEP->serviceID);
+            }
+        } else {
+            //just add the new EP to the list
+            topic_publication_pt pub = (topic_publication_pt) factory->handle;
+            pubsub_topicPublicationAddPublisherEP(pub, pubEP);
+        }
+
+        celixThreadMutex_unlock(&admin->localPublicationsLock);
+    } else {
+
+        celixThreadMutex_lock(&admin->externalPublicationsLock);
+        array_list_pt ext_pub_list = (array_list_pt) hashMap_get(admin->externalPublications, scope_topic);
+        if (ext_pub_list == NULL) {
+            arrayList_create(&ext_pub_list);
+            hashMap_put(admin->externalPublications, strdup(scope_topic), ext_pub_list);
+        }
+
+        arrayList_add(ext_pub_list, pubEP);
+
+        celixThreadMutex_unlock(&admin->externalPublicationsLock);
+    }
+
+    /* Re-evaluate the pending subscriptions */
+    celixThreadMutex_lock(&admin->pendingSubscriptionsLock);
+
+    hash_map_entry_pt pendingSub = hashMap_getEntry(admin->pendingSubscriptions, scope_topic);
+    if (pendingSub != NULL) { //There were pending subscription for the just published topic. Let's connect them.
+        char* topic = (char*) hashMapEntry_getKey(pendingSub);
+        array_list_pt pendingSubList = (array_list_pt) hashMapEntry_getValue(pendingSub);
+        int i;
+        for (i = 0; i < arrayList_size(pendingSubList); i++) {
+            pubsub_endpoint_pt subEP = (pubsub_endpoint_pt) arrayList_get(pendingSubList, i);
+            pubsubAdmin_addSubscription(admin, subEP);
+        }
+        hashMap_remove(admin->pendingSubscriptions, scope_topic);
+        arrayList_clear(pendingSubList);
+        arrayList_destroy(pendingSubList);
+        free(topic);
+    }
+
+    celixThreadMutex_unlock(&admin->pendingSubscriptionsLock);
+
+    /* Connect the new publisher to the subscription for his topic, if there is any */
+    celixThreadMutex_lock(&admin->subscriptionsLock);
+
+    topic_subscription_pt sub = (topic_subscription_pt) hashMap_get(admin->subscriptions, scope_topic);
+    if (sub != NULL && pubEP->endpoint != NULL) {
+        pubsub_topicSubscriptionAddConnectPublisherToPendingList(sub, pubEP->endpoint);
+    }
+
+    /* And check also for ANY subscription */
+    topic_subscription_pt any_sub = (topic_subscription_pt) hashMap_get(admin->subscriptions, PUBSUB_ANY_SUB_TOPIC);
+    if (any_sub != NULL && pubEP->endpoint != NULL) {
+        pubsub_topicSubscriptionAddConnectPublisherToPendingList(sub, pubEP->endpoint);
+    }
+    free(scope_topic);
+
+    celixThreadMutex_unlock(&admin->subscriptionsLock);
+
+    return status;
+
+}
+
+celix_status_t pubsubAdmin_removePublication(pubsub_admin_pt admin,pubsub_endpoint_pt pubEP){
+	celix_status_t status = CELIX_SUCCESS;
+        int count = 0;
+
+	printf("PSA: Removing publication [FWUUID=%s bundleID=%ld topic=%s]\n",pubEP->frameworkUUID,pubEP->serviceID,pubEP->topic);
+
+	const char* fwUUID = NULL;
+
+	bundleContext_getProperty(admin->bundle_context,OSGI_FRAMEWORK_FRAMEWORK_UUID,&fwUUID);
+	if(fwUUID==NULL){
+		printf("PSA: Cannot retrieve fwUUID.\n");
+		return CELIX_INVALID_BUNDLE_CONTEXT;
+	}
+	char *scope_topic = createScopeTopicKey(pubEP->scope, pubEP->topic);
+	if(strcmp(pubEP->frameworkUUID,fwUUID)==0){
+
+		celixThreadMutex_lock(&admin->localPublicationsLock);
+
+		service_factory_pt factory = (service_factory_pt)hashMap_get(admin->localPublications,scope_topic);
+		if(factory!=NULL){
+			topic_publication_pt pub = (topic_publication_pt)factory->handle;
+			pubsub_topicPublicationRemovePublisherEP(pub,pubEP);
+		}
+		else{
+			status = CELIX_ILLEGAL_STATE;
+		}
+
+		celixThreadMutex_unlock(&admin->localPublicationsLock);
+	}
+	else{
+
+		celixThreadMutex_lock(&admin->externalPublicationsLock);
+		array_list_pt ext_pub_list = (array_list_pt)hashMap_get(admin->externalPublications,scope_topic);
+		if(ext_pub_list!=NULL){
+			int i;
+			bool found = false;
+			for(i=0;!found && i<arrayList_size(ext_pub_list);i++){
+				pubsub_endpoint_pt p  = (pubsub_endpoint_pt)arrayList_get(ext_pub_list,i);
+				found = pubsubEndpoint_equals(pubEP,p);
+				if (found){
+				        found = true;
+					arrayList_remove(ext_pub_list,i);
+				}
+			}
+			// Check if there are more publsihers on the same endpoint (happens when 1 celix-instance with multiple bundles publish in same topic)
+                        for(i=0; i<arrayList_size(ext_pub_list);i++) {
+                            pubsub_endpoint_pt p  = (pubsub_endpoint_pt)arrayList_get(ext_pub_list,i);
+                            if (strcmp(pubEP->endpoint,p->endpoint) == 0) {
+                                count++;
+                            }
+                        }
+
+		}
+		if(arrayList_size(ext_pub_list)==0){
+			hash_map_entry_pt entry = hashMap_getEntry(admin->externalPublications,scope_topic);
+			char* topic = (char*)hashMapEntry_getKey(entry);
+			array_list_pt list = (array_list_pt)hashMapEntry_getValue(entry);
+			hashMap_remove(admin->externalPublications,topic);
+			arrayList_destroy(list);
+			free(topic);
+		}
+
+		celixThreadMutex_unlock(&admin->externalPublicationsLock);
+	}
+
+	/* Check if this publisher was connected to one of our subscribers*/
+	celixThreadMutex_lock(&admin->subscriptionsLock);
+
+	topic_subscription_pt sub = (topic_subscription_pt)hashMap_get(admin->subscriptions,scope_topic);
+	if(sub!=NULL && pubEP->endpoint!=NULL && count == 0){
+		pubsub_topicSubscriptionAddDisconnectPublisherToPendingList(sub,pubEP->endpoint);
+	}
+
+	/* And check also for ANY subscription */
+	topic_subscription_pt any_sub = (topic_subscription_pt)hashMap_get(admin->subscriptions,PUBSUB_ANY_SUB_TOPIC);
+	if(any_sub!=NULL && pubEP->endpoint!=NULL && count == 0){
+		pubsub_topicSubscriptionAddDisconnectPublisherToPendingList(sub,pubEP->endpoint);
+	}
+	free(scope_topic);
+	celixThreadMutex_unlock(&admin->subscriptionsLock);
+
+	return status;
+
+}
+
+celix_status_t pubsubAdmin_closeAllPublications(pubsub_admin_pt admin, char *scope, char* topic){
+	celix_status_t status = CELIX_SUCCESS;
+
+	printf("PSA: Closing all publications\n");
+
+	celixThreadMutex_lock(&admin->localPublicationsLock);
+	char *scope_topic = createScopeTopicKey(scope, topic);
+	hash_map_entry_pt pubsvc_entry = (hash_map_entry_pt)hashMap_getEntry(admin->localPublications,scope_topic);
+	if(pubsvc_entry!=NULL){
+		char* topic = (char*)hashMapEntry_getKey(pubsvc_entry);
+		service_factory_pt factory= (service_factory_pt)hashMapEntry_getValue(pubsvc_entry);
+		topic_publication_pt pub = (topic_publication_pt)factory->handle;
+		status += pubsub_topicPublicationStop(pub);
+		status += pubsub_topicPublicationDestroy(pub);
+
+		hashMap_remove(admin->localPublications,scope_topic);
+		free(topic);
+		free(factory);
+	}
+	free(scope_topic);
+	celixThreadMutex_unlock(&admin->localPublicationsLock);
+
+	return status;
+
+}
+
+celix_status_t pubsubAdmin_closeAllSubscriptions(pubsub_admin_pt admin,char* scope,char* topic){
+	celix_status_t status = CELIX_SUCCESS;
+
+	printf("PSA: Closing all subscriptions\n");
+
+	celixThreadMutex_lock(&admin->subscriptionsLock);
+	char *scope_topic = createScopeTopicKey(scope, topic);
+	hash_map_entry_pt sub_entry = (hash_map_entry_pt)hashMap_getEntry(admin->subscriptions,scope_topic);
+	if(sub_entry!=NULL){
+		char* topic = (char*)hashMapEntry_getKey(sub_entry);
+
+		topic_subscription_pt ts = (topic_subscription_pt)hashMapEntry_getValue(sub_entry);
+		status += pubsub_topicSubscriptionStop(ts);
+		status += pubsub_topicSubscriptionDestroy(ts);
+
+		hashMap_remove(admin->subscriptions,scope_topic);
+		free(topic);
+
+	}
+	free(scope_topic);
+	celixThreadMutex_unlock(&admin->subscriptionsLock);
+
+	return status;
+
+}
+
+
+#ifndef ANDROID
+static celix_status_t pubsubAdmin_getIpAdress(const char* interface, char** ip) {
+	celix_status_t status = CELIX_BUNDLE_EXCEPTION;
+
+	struct ifaddrs *ifaddr, *ifa;
+	char host[NI_MAXHOST];
+
+	if (getifaddrs(&ifaddr) != -1)
+	{
+		for (ifa = ifaddr; ifa != NULL && status != CELIX_SUCCESS; ifa = ifa->ifa_next)
+		{
+			if (ifa->ifa_addr == NULL)
+				continue;
+
+			if ((getnameinfo(ifa->ifa_addr,sizeof(struct sockaddr_in), host, NI_MAXHOST, NULL, 0, NI_NUMERICHOST) == 0) && (ifa->ifa_addr->sa_family == AF_INET)) {
+				if (interface == NULL) {
+					*ip = strdup(host);
+					status = CELIX_SUCCESS;
+				}
+				else if (strcmp(ifa->ifa_name, interface) == 0) {
+					*ip = strdup(host);
+					status = CELIX_SUCCESS;
+				}
+			}
+		}
+
+		freeifaddrs(ifaddr);
+	}
+
+	return status;
+}
+#endif
+
+static celix_status_t pubsubAdmin_addSubscriptionToPendingList(pubsub_admin_pt admin,pubsub_endpoint_pt subEP){
+	celix_status_t status = CELIX_SUCCESS;
+	char* scope_topic = createScopeTopicKey(subEP->scope, subEP->topic);
+	array_list_pt pendingListPerTopic = hashMap_get(admin->pendingSubscriptions,scope_topic);
+	if(pendingListPerTopic==NULL){
+		arrayList_create(&pendingListPerTopic);
+		hashMap_put(admin->pendingSubscriptions,strdup(scope_topic),pendingListPerTopic);
+	}
+	arrayList_add(pendingListPerTopic,subEP);
+	free(scope_topic);
+	return status;
+}

http://git-wip-us.apache.org/repos/asf/celix/blob/f9a5fb11/celix-pubsub/pubsub/pubsub_admin_zmq/private/src/topic_publication.c
----------------------------------------------------------------------
diff --git a/celix-pubsub/pubsub/pubsub_admin_zmq/private/src/topic_publication.c b/celix-pubsub/pubsub/pubsub_admin_zmq/private/src/topic_publication.c
new file mode 100644
index 0000000..4943884
--- /dev/null
+++ b/celix-pubsub/pubsub/pubsub_admin_zmq/private/src/topic_publication.c
@@ -0,0 +1,605 @@
+/**
+ *Licensed to the Apache Software Foundation (ASF) under one
+ *or more contributor license agreements.  See the NOTICE file
+ *distributed with this work for additional information
+ *regarding copyright ownership.  The ASF licenses this file
+ *to you under the Apache License, Version 2.0 (the
+ *"License"); you may not use this file except in compliance
+ *with the License.  You may obtain a copy of the License at
+ *
+ *  http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *Unless required by applicable law or agreed to in writing,
+ *software distributed under the License is distributed on an
+ *"AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ *specific language governing permissions and limitations
+ *under the License.
+ */
+/*
+ * topic_publication.c
+ *
+ *  \date       Sep 24, 2015
+ *  \author    	<a href="mailto:dev@celix.apache.org">Apache Celix Project Team</a>
+ *  \copyright	Apache License, Version 2.0
+ */
+
+#include "pubsub_publish_service_private.h"
+#include <czmq.h>
+/* The following undefs prevent the collision between:
+ * - sys/syslog.h (which is included within czmq)
+ * - celix/dfi/dfi_log_util.h
+ */
+#undef LOG_DEBUG
+#undef LOG_WARNING
+#undef LOG_INFO
+#undef LOG_WARNING
+
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+
+#include "array_list.h"
+#include "celixbool.h"
+#include "service_registration.h"
+#include "utils.h"
+#include "service_factory.h"
+#include "version.h"
+
+#include "pubsub_common.h"
+#include "dyn_msg_utils.h"
+#include "pubsub_utils.h"
+#include "publisher.h"
+
+#include "pubsub_serializer.h"
+
+#ifdef USE_ZMQ_SECURITY
+	#include "zmq_crypto.h"
+
+	#define MAX_CERT_PATH_LENGTH 512
+#endif
+
+#define EP_ADDRESS_LEN		32
+#define ZMQ_BIND_MAX_RETRY	5
+
+#define FIRST_SEND_DELAY	2
+
+struct topic_publication {
+	zsock_t* zmq_socket;
+	zcert_t * zmq_cert;
+	char* endpoint;
+	service_registration_pt svcFactoryReg;
+	array_list_pt pub_ep_list; //List<pubsub_endpoint>
+	hash_map_pt boundServices; //<bundle_pt,bound_service>
+	celix_thread_mutex_t tp_lock;
+};
+
+typedef struct publish_bundle_bound_service {
+	topic_publication_pt parent;
+	pubsub_publisher_pt service;
+	bundle_pt bundle;
+	char *topic;
+	hash_map_pt msgTypes;
+	unsigned short getCount;
+	celix_thread_mutex_t mp_lock;
+	bool mp_send_in_progress;
+	array_list_pt mp_parts;
+}* publish_bundle_bound_service_pt;
+
+typedef struct pubsub_msg{
+	pubsub_msg_header_pt header;
+	char* payload;
+	int payloadSize;
+}* pubsub_msg_pt;
+
+static unsigned int rand_range(unsigned int min, unsigned int max);
+
+static celix_status_t pubsub_topicPublicationGetService(void* handle, bundle_pt bundle, service_registration_pt registration, void **service);
+static celix_status_t pubsub_topicPublicationUngetService(void* handle, bundle_pt bundle, service_registration_pt registration, void **service);
+
+static publish_bundle_bound_service_pt pubsub_createPublishBundleBoundService(topic_publication_pt tp,bundle_pt bundle);
+static void pubsub_destroyPublishBundleBoundService(publish_bundle_bound_service_pt boundSvc);
+
+static int pubsub_topicPublicationSend(void* handle,unsigned int msgTypeId, void *msg);
+static int pubsub_topicPublicationSendMultipart(void *handle, unsigned int msgTypeId, void *msg, int flags);
+static int pubsub_localMsgTypeIdForUUID(void* handle, const char* msgType, unsigned int* msgTypeId);
+
+static void delay_first_send_for_late_joiners(void);
+
+celix_status_t pubsub_topicPublicationCreate(bundle_context_pt bundle_context, pubsub_endpoint_pt pubEP,char* bindIP, unsigned int basePort, unsigned int maxPort, topic_publication_pt *out){
+	celix_status_t status = CELIX_SUCCESS;
+
+#ifdef USE_ZMQ_SECURITY
+	char* keys_bundle_dir = pubsub_getKeysBundleDir(bundle_context);
+	if (keys_bundle_dir == NULL){
+		return CELIX_SERVICE_EXCEPTION;
+	}
+
+	const char* keys_file_path = NULL;
+	const char* keys_file_name = NULL;
+	bundleContext_getProperty(bundle_context, PROPERTY_KEYS_FILE_PATH, &keys_file_path);
+	bundleContext_getProperty(bundle_context, PROPERTY_KEYS_FILE_NAME, &keys_file_name);
+
+	char cert_path[MAX_CERT_PATH_LENGTH];
+
+	//certificate path ".cache/bundle{id}/version0.0/./META-INF/keys/publisher/private/pub_{topic}.key"
+	snprintf(cert_path, MAX_CERT_PATH_LENGTH, "%s/META-INF/keys/publisher/private/pub_%s.key.enc", keys_bundle_dir, pubEP->topic);
+	free(keys_bundle_dir);
+	printf("PSA: Loading key '%s'\n", cert_path);
+
+	zcert_t* pub_cert = get_zcert_from_encoded_file((char *) keys_file_path, (char *) keys_file_name, cert_path);
+	if (pub_cert == NULL){
+		printf("PSA: Cannot load key '%s'\n", cert_path);
+		return CELIX_SERVICE_EXCEPTION;
+	}
+#endif
+
+	zsock_t* socket = zsock_new (ZMQ_PUB);
+	if(socket==NULL){
+		#ifdef USE_ZMQ_SECURITY
+			zcert_destroy(&pub_cert);
+		#endif
+
+        perror("Error for zmq_socket");
+		return CELIX_SERVICE_EXCEPTION;
+	}
+#ifdef USE_ZMQ_SECURITY
+	zcert_apply (pub_cert, socket); // apply certificate to socket
+	zsock_set_curve_server (socket, true); // setup the publisher's socket to use the curve functions
+#endif
+
+	int rv = -1, retry=0;
+	char* ep = malloc(EP_ADDRESS_LEN);
+    char bindAddress[EP_ADDRESS_LEN];
+
+	while(rv==-1 && retry<ZMQ_BIND_MAX_RETRY){
+		/* Randomized part due to same bundle publishing on different topics */
+		unsigned int port = rand_range(basePort,maxPort);
+		memset(ep,0,EP_ADDRESS_LEN);
+        memset(bindAddress, 0, EP_ADDRESS_LEN);
+
+		snprintf(ep,EP_ADDRESS_LEN,"tcp://%s:%u",bindIP,port);
+        snprintf(bindAddress, EP_ADDRESS_LEN, "tcp://0.0.0.0:%u", port); //NOTE using a different bind addres than endpoint address
+		rv = zsock_bind (socket, bindAddress);
+        if (rv == -1) {
+            perror("Error for zmq_bind");
+        }
+		retry++;
+	}
+
+	if(rv == -1){
+		free(ep);
+		return CELIX_SERVICE_EXCEPTION;
+	}
+
+	/* ZMQ stuffs are all fine at this point. Let's create and initialize the structure */
+
+	topic_publication_pt pub = calloc(1,sizeof(*pub));
+
+	arrayList_create(&(pub->pub_ep_list));
+	pub->boundServices = hashMap_create(NULL,NULL,NULL,NULL);
+	celixThreadMutex_create(&(pub->tp_lock),NULL);
+
+	pub->endpoint = ep;
+	pub->zmq_socket = socket;
+
+	#ifdef USE_ZMQ_SECURITY
+	pub->zmq_cert = pub_cert;
+	#endif
+
+	pubsub_topicPublicationAddPublisherEP(pub,pubEP);
+
+	*out = pub;
+
+	return status;
+}
+
+celix_status_t pubsub_topicPublicationDestroy(topic_publication_pt pub){
+	celix_status_t status = CELIX_SUCCESS;
+
+	celixThreadMutex_lock(&(pub->tp_lock));
+
+	free(pub->endpoint);
+	arrayList_destroy(pub->pub_ep_list);
+
+	hash_map_iterator_pt iter = hashMapIterator_create(pub->boundServices);
+	while(hashMapIterator_hasNext(iter)){
+		publish_bundle_bound_service_pt bound = hashMapIterator_nextValue(iter);
+		pubsub_destroyPublishBundleBoundService(bound);
+	}
+	hashMapIterator_destroy(iter);
+	hashMap_destroy(pub->boundServices,false,false);
+
+	pub->svcFactoryReg = NULL;
+	zsock_destroy(&(pub->zmq_socket));
+	#ifdef USE_ZMQ_SECURITY
+	zcert_destroy(&(pub->zmq_cert));
+	#endif
+
+	celixThreadMutex_unlock(&(pub->tp_lock));
+
+	celixThreadMutex_destroy(&(pub->tp_lock));
+
+	free(pub);
+
+	return status;
+}
+
+celix_status_t pubsub_topicPublicationStart(bundle_context_pt bundle_context,topic_publication_pt pub,service_factory_pt* svcFactory){
+	celix_status_t status = CELIX_SUCCESS;
+
+	/* Let's register the new service */
+	//celixThreadMutex_lock(&(pub->tp_lock));
+
+	pubsub_endpoint_pt pubEP = (pubsub_endpoint_pt)arrayList_get(pub->pub_ep_list,0);
+
+	if(pubEP!=NULL){
+		service_factory_pt factory = calloc(1, sizeof(*factory));
+		factory->handle = pub;
+		factory->getService = pubsub_topicPublicationGetService;
+		factory->ungetService = pubsub_topicPublicationUngetService;
+
+		properties_pt props = properties_create();
+		properties_set(props,PUBSUB_PUBLISHER_TOPIC,pubEP->topic);
+		properties_set(props,PUBSUB_PUBLISHER_SCOPE,pubEP->scope);
+		properties_set(props,"service.version", PUBSUB_PUBLISHER_SERVICE_VERSION);
+
+		status = bundleContext_registerServiceFactory(bundle_context,PUBSUB_PUBLISHER_SERVICE_NAME,factory,props,&(pub->svcFactoryReg));
+
+		if(status != CELIX_SUCCESS){
+			properties_destroy(props);
+			printf("PSA: Cannot register ServiceFactory for topic %s (bundle %ld).\n",pubEP->topic,pubEP->serviceID);
+		}
+		else{
+			*svcFactory = factory;
+		}
+	}
+	else{
+		printf("PSA: Cannot find pubsub_endpoint after adding it...Should never happen!\n");
+		status = CELIX_SERVICE_EXCEPTION;
+	}
+
+	//celixThreadMutex_unlock(&(pub->tp_lock));
+
+	return status;
+}
+
+celix_status_t pubsub_topicPublicationStop(topic_publication_pt pub){
+	celix_status_t status = CELIX_SUCCESS;
+
+	//celixThreadMutex_lock(&(pub->tp_lock));
+
+	status = serviceRegistration_unregister(pub->svcFactoryReg);
+
+	//celixThreadMutex_unlock(&(pub->tp_lock));
+
+	return status;
+}
+
+celix_status_t pubsub_topicPublicationAddPublisherEP(topic_publication_pt pub,pubsub_endpoint_pt ep){
+
+	celixThreadMutex_lock(&(pub->tp_lock));
+	ep->endpoint = strdup(pub->endpoint);
+	arrayList_add(pub->pub_ep_list,ep);
+	celixThreadMutex_unlock(&(pub->tp_lock));
+
+	return CELIX_SUCCESS;
+}
+
+celix_status_t pubsub_topicPublicationRemovePublisherEP(topic_publication_pt pub,pubsub_endpoint_pt ep){
+
+	celixThreadMutex_lock(&(pub->tp_lock));
+	for (int i = 0; i < arrayList_size(pub->pub_ep_list); i++) {
+	        pubsub_endpoint_pt e = arrayList_get(pub->pub_ep_list, i);
+	        if(pubsubEndpoint_equals(ep, e)) {
+	            arrayList_removeElement(pub->pub_ep_list,ep);
+	            break;
+	        }
+	}
+	celixThreadMutex_unlock(&(pub->tp_lock));
+
+	return CELIX_SUCCESS;
+}
+
+array_list_pt pubsub_topicPublicationGetPublisherList(topic_publication_pt pub){
+	return pub->pub_ep_list;
+}
+
+
+static celix_status_t pubsub_topicPublicationGetService(void* handle, bundle_pt bundle, service_registration_pt registration, void **service) {
+	celix_status_t  status = CELIX_SUCCESS;
+
+	topic_publication_pt publish = (topic_publication_pt)handle;
+
+	celixThreadMutex_lock(&(publish->tp_lock));
+
+	publish_bundle_bound_service_pt bound = (publish_bundle_bound_service_pt)hashMap_get(publish->boundServices,bundle);
+	if(bound==NULL){
+		bound = pubsub_createPublishBundleBoundService(publish,bundle);
+		if(bound!=NULL){
+			hashMap_put(publish->boundServices,bundle,bound);
+		}
+	}
+	else{
+		bound->getCount++;
+	}
+
+	*service = bound->service;
+
+	celixThreadMutex_unlock(&(publish->tp_lock));
+
+	return status;
+}
+
+static celix_status_t pubsub_topicPublicationUngetService(void* handle, bundle_pt bundle, service_registration_pt registration, void **service)  {
+
+	topic_publication_pt publish = (topic_publication_pt)handle;
+
+	celixThreadMutex_lock(&(publish->tp_lock));
+
+	publish_bundle_bound_service_pt bound = (publish_bundle_bound_service_pt)hashMap_get(publish->boundServices,bundle);
+	if(bound!=NULL){
+
+		bound->getCount--;
+		if(bound->getCount==0){
+			pubsub_destroyPublishBundleBoundService(bound);
+			hashMap_remove(publish->boundServices,bundle);
+		}
+
+	}
+	else{
+		long bundleId = -1;
+		bundle_getBundleId(bundle,&bundleId);
+		printf("TP: Unexpected ungetService call for bundle %ld.\n", bundleId);
+	}
+
+	/* service should be never used for unget, so let's set the pointer to NULL */
+	*service = NULL;
+
+	celixThreadMutex_unlock(&(publish->tp_lock));
+
+	return CELIX_SUCCESS;
+}
+
+static bool send_pubsub_msg(zsock_t* zmq_socket, pubsub_msg_pt msg, bool last){
+
+	bool ret = true;
+
+	zframe_t* headerMsg = zframe_new(msg->header, sizeof(struct pubsub_msg_header));
+	if (headerMsg == NULL) ret=false;
+	zframe_t* payloadMsg = zframe_new(msg->payload, msg->payloadSize);
+	if (payloadMsg == NULL) ret=false;
+
+	delay_first_send_for_late_joiners();
+
+	if( zframe_send(&headerMsg,zmq_socket, ZFRAME_MORE) == -1) ret=false;
+
+	if(!last){
+		if( zframe_send(&payloadMsg,zmq_socket, ZFRAME_MORE) == -1) ret=false;
+	}
+	else{
+		if( zframe_send(&payloadMsg,zmq_socket, 0) == -1) ret=false;
+	}
+
+	if (!ret){
+		zframe_destroy(&headerMsg);
+		zframe_destroy(&payloadMsg);
+	}
+
+	free(msg->header);
+	free(msg->payload);
+	free(msg);
+
+	return ret;
+
+}
+
+static bool send_pubsub_mp_msg(zsock_t* zmq_socket, array_list_pt mp_msg_parts){
+
+	bool ret = true;
+
+	unsigned int i = 0;
+	unsigned int mp_num = arrayList_size(mp_msg_parts);
+	for(;i<mp_num;i++){
+		ret = ret && send_pubsub_msg(zmq_socket, (pubsub_msg_pt)arrayList_get(mp_msg_parts,i), (i==mp_num-1));
+	}
+	arrayList_clear(mp_msg_parts);
+
+	return ret;
+
+}
+
+static int pubsub_topicPublicationSend(void* handle, unsigned int msgTypeId, void *msg) {
+
+	return pubsub_topicPublicationSendMultipart(handle,msgTypeId,msg, PUBSUB_PUBLISHER_FIRST_MSG | PUBSUB_PUBLISHER_LAST_MSG);
+
+}
+
+static int pubsub_topicPublicationSendMultipart(void *handle, unsigned int msgTypeId, void *msg, int flags){
+
+	int status = 0;
+
+	publish_bundle_bound_service_pt bound = (publish_bundle_bound_service_pt) handle;
+
+	celixThreadMutex_lock(&(bound->mp_lock));
+	if( (flags & PUBSUB_PUBLISHER_FIRST_MSG) && !(flags & PUBSUB_PUBLISHER_LAST_MSG) && bound->mp_send_in_progress){ //means a real mp_msg
+		printf("TP: Multipart send already in progress. Cannot process a new one.\n");
+		celixThreadMutex_unlock(&(bound->mp_lock));
+		return -3;
+	}
+
+	pubsub_message_type *msgType = hashMap_get(bound->msgTypes, &msgTypeId);
+
+	int major=0, minor=0;
+
+	if (msgType != NULL) {
+
+		version_pt msgVersion = pubsubSerializer_getVersion(msgType);
+
+		pubsub_msg_header_pt msg_hdr = calloc(1,sizeof(struct pubsub_msg_header));
+
+		strncpy(msg_hdr->topic,bound->topic,MAX_TOPIC_LEN-1);
+
+		msg_hdr->type = msgTypeId;
+		if (msgVersion != NULL){
+			version_getMajor(msgVersion, &major);
+			version_getMinor(msgVersion, &minor);
+			msg_hdr->major = major;
+			msg_hdr->minor = minor;
+		}
+
+		void* serializedOutput = NULL;
+		int serializedOutputLen = 0;
+		pubsubSerializer_serialize(msgType, msg, &serializedOutput, &serializedOutputLen);
+
+		pubsub_msg_pt msg = calloc(1,sizeof(struct pubsub_msg));
+		msg->header = msg_hdr;
+		msg->payload = (char *) serializedOutput;
+		msg->payloadSize = serializedOutputLen;
+
+		bool snd = true;
+
+		switch(flags){
+		case PUBSUB_PUBLISHER_FIRST_MSG:
+			bound->mp_send_in_progress = true;
+			arrayList_add(bound->mp_parts,msg);
+			break;
+		case PUBSUB_PUBLISHER_PART_MSG:
+			if(!bound->mp_send_in_progress){
+				printf("TP: ERROR: received msg part without the first part.\n");
+				status = -4;
+			}
+			else{
+				arrayList_add(bound->mp_parts,msg);
+			}
+			break;
+		case PUBSUB_PUBLISHER_LAST_MSG:
+			if(!bound->mp_send_in_progress){
+				printf("TP: ERROR: received end msg without the first part.\n");
+				status = -4;
+			}
+			else{
+				arrayList_add(bound->mp_parts,msg);
+				celixThreadMutex_lock(&(bound->parent->tp_lock));
+				snd = send_pubsub_mp_msg(bound->parent->zmq_socket,bound->mp_parts);
+				bound->mp_send_in_progress = false;
+				celixThreadMutex_unlock(&(bound->parent->tp_lock));
+			}
+			break;
+		case PUBSUB_PUBLISHER_FIRST_MSG | PUBSUB_PUBLISHER_LAST_MSG:	//Normal send case
+			celixThreadMutex_lock(&(bound->parent->tp_lock));
+			snd = send_pubsub_msg(bound->parent->zmq_socket,msg,true);
+			celixThreadMutex_unlock(&(bound->parent->tp_lock));
+			break;
+		default:
+			printf("TP: ERROR: Invalid MP flags combination\n");
+			status = -4;
+			break;
+		}
+
+		if(!snd){
+			printf("TP: Failed to send %s message %u.\n",flags == (PUBSUB_PUBLISHER_FIRST_MSG | PUBSUB_PUBLISHER_LAST_MSG) ? "single" : "multipart", msgTypeId);
+		}
+
+	} else {
+		printf("TP: Message %u not supported.",msgTypeId);
+		status=-1;
+	}
+
+	celixThreadMutex_unlock(&(bound->mp_lock));
+
+	return status;
+
+}
+
+static int pubsub_localMsgTypeIdForUUID(void* handle, const char* msgType, unsigned int* msgTypeId){
+	*msgTypeId = pubsubSerializer_hashCode(msgType);
+	return 0;
+}
+
+static unsigned int rand_range(unsigned int min, unsigned int max){
+
+	double scaled = (double)(((double)rand())/((double)RAND_MAX));
+	return (max-min+1)*scaled + min;
+
+}
+
+static publish_bundle_bound_service_pt pubsub_createPublishBundleBoundService(topic_publication_pt tp,bundle_pt bundle){
+
+	publish_bundle_bound_service_pt bound = calloc(1, sizeof(*bound));
+
+	if (bound != NULL) {
+		bound->service = calloc(1, sizeof(*bound->service));
+	}
+
+	if (bound != NULL && bound->service != NULL) {
+
+		bound->parent = tp;
+		bound->bundle = bundle;
+		bound->getCount = 1;
+		bound->mp_send_in_progress = false;
+		celixThreadMutex_create(&bound->mp_lock,NULL);
+		bound->msgTypes = hashMap_create(uintHash, NULL, uintEquals, NULL); //<int* (msgId),pubsub_message_type>
+		arrayList_create(&bound->mp_parts);
+
+		pubsub_endpoint_pt pubEP = (pubsub_endpoint_pt)arrayList_get(bound->parent->pub_ep_list,0);
+		bound->topic=strdup(pubEP->topic);
+
+		bound->service->handle = bound;
+		bound->service->localMsgTypeIdForMsgType = pubsub_localMsgTypeIdForUUID;
+		bound->service->send = pubsub_topicPublicationSend;
+		bound->service->sendMultipart = pubsub_topicPublicationSendMultipart;
+
+		pubsubSerializer_fillMsgTypesMap(bound->msgTypes,bound->bundle);
+
+	}
+	else
+	{
+		if (bound != NULL) {
+			free(bound->service);
+		}
+		free(bound);
+		return NULL;
+	}
+
+	return bound;
+}
+
+static void pubsub_destroyPublishBundleBoundService(publish_bundle_bound_service_pt boundSvc){
+
+	celixThreadMutex_lock(&boundSvc->mp_lock);
+
+	if(boundSvc->service != NULL){
+		free(boundSvc->service);
+	}
+
+	if(boundSvc->msgTypes != NULL){
+		pubsubSerializer_emptyMsgTypesMap(boundSvc->msgTypes);
+		hashMap_destroy(boundSvc->msgTypes,false,false);
+	}
+
+	if(boundSvc->mp_parts!=NULL){
+		arrayList_destroy(boundSvc->mp_parts);
+	}
+
+	if(boundSvc->topic!=NULL){
+		free(boundSvc->topic);
+	}
+
+	celixThreadMutex_unlock(&boundSvc->mp_lock);
+	celixThreadMutex_destroy(&boundSvc->mp_lock);
+
+	free(boundSvc);
+
+}
+
+static void delay_first_send_for_late_joiners(){
+
+	static bool firstSend = true;
+
+	if(firstSend){
+		printf("TP: Delaying first send for late joiners...\n");
+		sleep(FIRST_SEND_DELAY);
+		firstSend = false;
+	}
+}

http://git-wip-us.apache.org/repos/asf/celix/blob/f9a5fb11/celix-pubsub/pubsub/pubsub_admin_zmq/private/src/topic_subscription.c
----------------------------------------------------------------------
diff --git a/celix-pubsub/pubsub/pubsub_admin_zmq/private/src/topic_subscription.c b/celix-pubsub/pubsub/pubsub_admin_zmq/private/src/topic_subscription.c
new file mode 100644
index 0000000..9e1a47d
--- /dev/null
+++ b/celix-pubsub/pubsub/pubsub_admin_zmq/private/src/topic_subscription.c
@@ -0,0 +1,741 @@
+/**
+ *Licensed to the Apache Software Foundation (ASF) under one
+ *or more contributor license agreements.  See the NOTICE file
+ *distributed with this work for additional information
+ *regarding copyright ownership.  The ASF licenses this file
+ *to you under the Apache License, Version 2.0 (the
+ *"License"); you may not use this file except in compliance
+ *with the License.  You may obtain a copy of the License at
+ *
+ *  http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *Unless required by applicable law or agreed to in writing,
+ *software distributed under the License is distributed on an
+ *"AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ *specific language governing permissions and limitations
+ *under the License.
+ */
+/*
+ * topic_subscription.c
+ *
+ *  \date       Oct 2, 2015
+ *  \author    	<a href="mailto:dev@celix.apache.org">Apache Celix Project Team</a>
+ *  \copyright	Apache License, Version 2.0
+ */
+
+#include "topic_subscription.h"
+#include <czmq.h>
+/* The following undefs prevent the collision between:
+ * - sys/syslog.h (which is included within czmq)
+ * - celix/dfi/dfi_log_util.h
+ */
+#undef LOG_DEBUG
+#undef LOG_WARNING
+#undef LOG_INFO
+#undef LOG_WARNING
+
+#include <string.h>
+#include <stdlib.h>
+#include <signal.h>
+
+#include "utils.h"
+#include "celix_errno.h"
+#include "constants.h"
+#include "version.h"
+
+#include "subscriber.h"
+#include "publisher.h"
+#include "dyn_msg_utils.h"
+#include "pubsub_utils.h"
+
+#include "pubsub_serializer.h"
+
+#ifdef USE_ZMQ_SECURITY
+	#include "zmq_crypto.h"
+
+	#define MAX_CERT_PATH_LENGTH 512
+#endif
+
+#define POLL_TIMEOUT  	250
+#define ZMQ_POLL_TIMEOUT_MS_ENV 	"ZMQ_POLL_TIMEOUT_MS"
+
+struct topic_subscription{
+
+	zsock_t* zmq_socket;
+	zcert_t * zmq_cert;
+	zcert_t * zmq_pub_cert;
+	pthread_mutex_t socket_lock;
+	service_tracker_pt tracker;
+	array_list_pt sub_ep_list;
+	celix_thread_t recv_thread;
+	bool running;
+	celix_thread_mutex_t ts_lock;
+	bundle_context_pt context;
+
+	hash_map_pt servicesMap; // key = service, value = msg types map
+	array_list_pt pendingConnections;
+	array_list_pt pendingDisconnections;
+
+	celix_thread_mutex_t pendingConnections_lock;
+	celix_thread_mutex_t pendingDisconnections_lock;
+	unsigned int nrSubscribers;
+};
+
+typedef struct complete_zmq_msg{
+	zframe_t* header;
+	zframe_t* payload;
+}* complete_zmq_msg_pt;
+
+typedef struct mp_handle{
+	hash_map_pt svc_msg_db;
+	hash_map_pt rcv_msg_map;
+}* mp_handle_pt;
+
+typedef struct msg_map_entry{
+	bool retain;
+	void* msgInst;
+}* msg_map_entry_pt;
+
+static celix_status_t topicsub_subscriberTracked(void * handle, service_reference_pt reference, void * service);
+static celix_status_t topicsub_subscriberUntracked(void * handle, service_reference_pt reference, void * service);
+static void* zmq_recv_thread_func(void* arg);
+static bool checkVersion(version_pt msgVersion,pubsub_msg_header_pt hdr);
+static void sigusr1_sighandler(int signo);
+static int pubsub_localMsgTypeIdForMsgType(void* handle, const char* msgType, unsigned int* msgTypeId);
+static int pubsub_getMultipart(void *handle, unsigned int msgTypeId, bool retain, void **part);
+static mp_handle_pt create_mp_handle(hash_map_pt svc_msg_db,array_list_pt rcv_msg_list);
+static void destroy_mp_handle(mp_handle_pt mp_handle);
+static void connectPendingPublishers(topic_subscription_pt sub);
+static void disconnectPendingPublishers(topic_subscription_pt sub);
+
+celix_status_t pubsub_topicSubscriptionCreate(bundle_context_pt bundle_context, char* scope, char* topic,topic_subscription_pt* out){
+	celix_status_t status = CELIX_SUCCESS;
+
+#ifdef USE_ZMQ_SECURITY
+	char* keys_bundle_dir = pubsub_getKeysBundleDir(bundle_context);
+	if (keys_bundle_dir == NULL){
+		return CELIX_SERVICE_EXCEPTION;
+	}
+
+	const char* keys_file_path = NULL;
+	const char* keys_file_name = NULL;
+	bundleContext_getProperty(bundle_context, PROPERTY_KEYS_FILE_PATH, &keys_file_path);
+	bundleContext_getProperty(bundle_context, PROPERTY_KEYS_FILE_NAME, &keys_file_name);
+
+	char sub_cert_path[MAX_CERT_PATH_LENGTH];
+	char pub_cert_path[MAX_CERT_PATH_LENGTH];
+
+	//certificate path ".cache/bundle{id}/version0.0/./META-INF/keys/subscriber/private/sub_{topic}.key.enc"
+	snprintf(sub_cert_path, MAX_CERT_PATH_LENGTH, "%s/META-INF/keys/subscriber/private/sub_%s.key.enc", keys_bundle_dir, topic);
+	snprintf(pub_cert_path, MAX_CERT_PATH_LENGTH, "%s/META-INF/keys/publisher/public/pub_%s.pub", keys_bundle_dir, topic);
+	free(keys_bundle_dir);
+
+	printf("PSA: Loading subscriber key '%s'\n", sub_cert_path);
+	printf("PSA: Loading publisher key '%s'\n", pub_cert_path);
+
+	zcert_t* sub_cert = get_zcert_from_encoded_file((char *) keys_file_path, (char *) keys_file_name, sub_cert_path);
+	if (sub_cert == NULL){
+		printf("PSA: Cannot load key '%s'\n", sub_cert_path);
+		return CELIX_SERVICE_EXCEPTION;
+	}
+
+	zcert_t* pub_cert = zcert_load(pub_cert_path);
+	if (pub_cert == NULL){
+		zcert_destroy(&sub_cert);
+		printf("PSA: Cannot load key '%s'\n", pub_cert_path);
+		return CELIX_SERVICE_EXCEPTION;
+	}
+
+	const char* pub_key = zcert_public_txt(pub_cert);
+#endif
+
+	zsock_t* zmq_s = zsock_new (ZMQ_SUB);
+	if(zmq_s==NULL){
+		#ifdef USE_ZMQ_SECURITY
+		zcert_destroy(&sub_cert);
+		zcert_destroy(&pub_cert);
+		#endif
+
+		return CELIX_SERVICE_EXCEPTION;
+	}
+
+	#ifdef USE_ZMQ_SECURITY
+	zcert_apply (sub_cert, zmq_s);
+	zsock_set_curve_serverkey (zmq_s, pub_key); //apply key of publisher to socket of subscriber
+	#endif
+
+	if(strcmp(topic,PUBSUB_ANY_SUB_TOPIC)==0){
+		zsock_set_subscribe (zmq_s, "");
+	}
+	else{
+		zsock_set_subscribe (zmq_s, topic);
+	}
+
+	topic_subscription_pt ts = (topic_subscription_pt) calloc(1,sizeof(*ts));
+	ts->context = bundle_context;
+	ts->zmq_socket = zmq_s;
+	ts->running = false;
+	ts->nrSubscribers = 0;
+
+	#ifdef USE_ZMQ_SECURITY
+	ts->zmq_cert = sub_cert;
+	ts->zmq_pub_cert = pub_cert;
+	#endif
+
+	celixThreadMutex_create(&ts->socket_lock, NULL);
+	celixThreadMutex_create(&ts->ts_lock,NULL);
+	arrayList_create(&ts->sub_ep_list);
+	ts->servicesMap = hashMap_create(NULL, NULL, NULL, NULL);
+	arrayList_create(&ts->pendingConnections);
+	arrayList_create(&ts->pendingDisconnections);
+	celixThreadMutex_create(&ts->pendingConnections_lock, NULL);
+	celixThreadMutex_create(&ts->pendingDisconnections_lock, NULL);
+
+	char filter[128];
+	memset(filter,0,128);
+	if(strncmp(PUBSUB_SUBSCRIBER_SCOPE_DEFAULT,scope,strlen(PUBSUB_SUBSCRIBER_SCOPE_DEFAULT)) == 0) {
+	        // default scope, means that subscriber has not defined a scope property
+	        snprintf(filter, 128, "(&(%s=%s)(%s=%s))",
+	                (char*) OSGI_FRAMEWORK_OBJECTCLASS, PUBSUB_SUBSCRIBER_SERVICE_NAME,
+	                PUBSUB_SUBSCRIBER_TOPIC,topic);
+
+	} else {
+        snprintf(filter, 128, "(&(%s=%s)(%s=%s)(%s=%s))",
+                (char*) OSGI_FRAMEWORK_OBJECTCLASS, PUBSUB_SUBSCRIBER_SERVICE_NAME,
+                PUBSUB_SUBSCRIBER_TOPIC,topic,
+                PUBSUB_SUBSCRIBER_SCOPE,scope);
+    }
+	service_tracker_customizer_pt customizer = NULL;
+	status += serviceTrackerCustomizer_create(ts,NULL,topicsub_subscriberTracked,NULL,topicsub_subscriberUntracked,&customizer);
+	status += serviceTracker_createWithFilter(bundle_context, filter, customizer, &ts->tracker);
+
+	struct sigaction actions;
+	memset(&actions, 0, sizeof(actions));
+	sigemptyset(&actions.sa_mask);
+	actions.sa_flags = 0;
+	actions.sa_handler = sigusr1_sighandler;
+
+	sigaction(SIGUSR1,&actions,NULL);
+
+	*out=ts;
+
+	return status;
+}
+
+celix_status_t pubsub_topicSubscriptionDestroy(topic_subscription_pt ts){
+	celix_status_t status = CELIX_SUCCESS;
+
+	celixThreadMutex_lock(&ts->ts_lock);
+
+	ts->running = false;
+	serviceTracker_destroy(ts->tracker);
+	arrayList_clear(ts->sub_ep_list);
+	arrayList_destroy(ts->sub_ep_list);
+	hashMap_destroy(ts->servicesMap,false,false);
+
+	celixThreadMutex_lock(&ts->pendingConnections_lock);
+	arrayList_destroy(ts->pendingConnections);
+	celixThreadMutex_unlock(&ts->pendingConnections_lock);
+	celixThreadMutex_destroy(&ts->pendingConnections_lock);
+
+	celixThreadMutex_lock(&ts->pendingDisconnections_lock);
+	arrayList_destroy(ts->pendingDisconnections);
+	celixThreadMutex_unlock(&ts->pendingDisconnections_lock);
+	celixThreadMutex_destroy(&ts->pendingDisconnections_lock);
+
+	celixThreadMutex_lock(&ts->socket_lock);
+	zsock_destroy(&(ts->zmq_socket));
+	#ifdef USE_ZMQ_SECURITY
+	zcert_destroy(&(ts->zmq_cert));
+	zcert_destroy(&(ts->zmq_pub_cert));
+	#endif
+	celixThreadMutex_unlock(&ts->socket_lock);
+	celixThreadMutex_destroy(&ts->socket_lock);
+
+	celixThreadMutex_unlock(&ts->ts_lock);
+
+
+	free(ts);
+
+	return status;
+}
+
+celix_status_t pubsub_topicSubscriptionStart(topic_subscription_pt ts){
+	celix_status_t status = CELIX_SUCCESS;
+
+	//celixThreadMutex_lock(&ts->ts_lock);
+
+	status = serviceTracker_open(ts->tracker);
+
+	ts->running = true;
+
+	if(status==CELIX_SUCCESS){
+		status=celixThread_create(&ts->recv_thread,NULL,zmq_recv_thread_func,ts);
+	}
+
+	//celixThreadMutex_unlock(&ts->ts_lock);
+
+	return status;
+}
+
+celix_status_t pubsub_topicSubscriptionStop(topic_subscription_pt ts){
+	celix_status_t status = CELIX_SUCCESS;
+
+	//celixThreadMutex_lock(&ts->ts_lock);
+
+	ts->running = false;
+
+	pthread_kill(ts->recv_thread.thread,SIGUSR1);
+
+	celixThread_join(ts->recv_thread,NULL);
+
+	status = serviceTracker_close(ts->tracker);
+
+	//celixThreadMutex_unlock(&ts->ts_lock);
+
+	return status;
+}
+
+celix_status_t pubsub_topicSubscriptionConnectPublisher(topic_subscription_pt ts, char* pubURL){
+	celix_status_t status = CELIX_SUCCESS;
+	celixThreadMutex_lock(&ts->socket_lock);
+	if(!zsock_is(ts->zmq_socket) || zsock_connect(ts->zmq_socket,pubURL) != 0){
+		status = CELIX_SERVICE_EXCEPTION;
+	}
+	celixThreadMutex_unlock(&ts->socket_lock);
+
+	return status;
+}
+
+celix_status_t pubsub_topicSubscriptionAddConnectPublisherToPendingList(topic_subscription_pt ts, char* pubURL) {
+    celix_status_t status = CELIX_SUCCESS;
+    char *url = strdup(pubURL);
+    celixThreadMutex_lock(&ts->pendingConnections_lock);
+    arrayList_add(ts->pendingConnections, url);
+    celixThreadMutex_unlock(&ts->pendingConnections_lock);
+    return status;
+}
+
+celix_status_t pubsub_topicSubscriptionAddDisconnectPublisherToPendingList(topic_subscription_pt ts, char* pubURL) {
+     celix_status_t status = CELIX_SUCCESS;
+    char *url = strdup(pubURL);
+    celixThreadMutex_lock(&ts->pendingDisconnections_lock);
+    arrayList_add(ts->pendingDisconnections, url);
+    celixThreadMutex_unlock(&ts->pendingDisconnections_lock);
+    return status;
+}
+
+celix_status_t pubsub_topicSubscriptionDisconnectPublisher(topic_subscription_pt ts, char* pubURL){
+	celix_status_t status = CELIX_SUCCESS;
+
+	celixThreadMutex_lock(&ts->socket_lock);
+	if(!zsock_is(ts->zmq_socket) || zsock_disconnect(ts->zmq_socket,pubURL) != 0){
+		status = CELIX_SERVICE_EXCEPTION;
+	}
+	celixThreadMutex_unlock(&ts->socket_lock);
+
+	return status;
+}
+
+celix_status_t pubsub_topicSubscriptionAddSubscriber(topic_subscription_pt ts, pubsub_endpoint_pt subEP){
+	celix_status_t status = CELIX_SUCCESS;
+
+	celixThreadMutex_lock(&ts->ts_lock);
+
+	arrayList_add(ts->sub_ep_list,subEP);
+
+	celixThreadMutex_unlock(&ts->ts_lock);
+
+	return status;
+
+}
+
+celix_status_t pubsub_topicIncreaseNrSubscribers(topic_subscription_pt ts) {
+	celix_status_t status = CELIX_SUCCESS;
+
+	celixThreadMutex_lock(&ts->ts_lock);
+
+	ts->nrSubscribers++;
+
+	celixThreadMutex_unlock(&ts->ts_lock);
+
+	return status;
+}
+
+celix_status_t pubsub_topicSubscriptionRemoveSubscriber(topic_subscription_pt ts, pubsub_endpoint_pt subEP){
+	celix_status_t status = CELIX_SUCCESS;
+
+	celixThreadMutex_lock(&ts->ts_lock);
+
+	arrayList_removeElement(ts->sub_ep_list,subEP);
+
+	celixThreadMutex_unlock(&ts->ts_lock);
+
+	return status;
+
+}
+
+celix_status_t pubsub_topicDecreaseNrSubscribers(topic_subscription_pt ts) {
+	celix_status_t status = CELIX_SUCCESS;
+
+	celixThreadMutex_lock(&ts->ts_lock);
+
+	ts->nrSubscribers--;
+
+	celixThreadMutex_unlock(&ts->ts_lock);
+
+	return status;
+}
+
+unsigned int pubsub_topicGetNrSubscribers(topic_subscription_pt ts) {
+	return ts->nrSubscribers;
+}
+
+static celix_status_t topicsub_subscriberTracked(void * handle, service_reference_pt reference, void * service){
+	celix_status_t status = CELIX_SUCCESS;
+	topic_subscription_pt ts = handle;
+
+	celixThreadMutex_lock(&ts->ts_lock);
+	if (!hashMap_containsKey(ts->servicesMap, service)) {
+		hash_map_pt msgTypes = hashMap_create(uintHash, NULL, uintEquals, NULL); //key = msgId, value = pubsub_message_type
+
+		bundle_pt bundle = NULL;
+		serviceReference_getBundle(reference, &bundle);
+		pubsubSerializer_fillMsgTypesMap(msgTypes,bundle);
+
+		if(hashMap_size(msgTypes)==0){ //If the msgTypes hashMap is not filled, the service is an unsupported subscriber
+			hashMap_destroy(msgTypes,false,false);
+			printf("TS: Unsupported subscriber!\n");
+		}
+		else{
+			hashMap_put(ts->servicesMap, service, msgTypes);
+		}
+
+	}
+	celixThreadMutex_unlock(&ts->ts_lock);
+	printf("TS: New subscriber registered.\n");
+	return status;
+
+}
+
+static celix_status_t topicsub_subscriberUntracked(void * handle, service_reference_pt reference, void * service){
+	celix_status_t status = CELIX_SUCCESS;
+	topic_subscription_pt ts = handle;
+
+	celixThreadMutex_lock(&ts->ts_lock);
+	if (hashMap_containsKey(ts->servicesMap, service)) {
+		hash_map_pt msgTypes = hashMap_remove(ts->servicesMap, service);
+		if(msgTypes!=NULL){
+			pubsubSerializer_emptyMsgTypesMap(msgTypes);
+			hashMap_destroy(msgTypes,false,false);
+		}
+	}
+	celixThreadMutex_unlock(&ts->ts_lock);
+
+	printf("TS: Subscriber unregistered.\n");
+	return status;
+}
+
+
+static void process_msg(topic_subscription_pt sub,array_list_pt msg_list){
+
+	pubsub_msg_header_pt first_msg_hdr = (pubsub_msg_header_pt)zframe_data(((complete_zmq_msg_pt)arrayList_get(msg_list,0))->header);
+
+	hash_map_iterator_pt iter = hashMapIterator_create(sub->servicesMap);
+	while (hashMapIterator_hasNext(iter)) {
+		hash_map_entry_pt entry = hashMapIterator_nextEntry(iter);
+		pubsub_subscriber_pt subsvc = hashMapEntry_getKey(entry);
+		hash_map_pt msgTypes = hashMapEntry_getValue(entry);
+
+		pubsub_message_type *msgType = hashMap_get(msgTypes,&(first_msg_hdr->type));
+		if (msgType == NULL) {
+			printf("TS: Primary message %d not supported. NOT sending any part of the whole message.\n",first_msg_hdr->type);
+		}
+		else{
+			void *msgInst = NULL;
+			char *name = pubsubSerializer_getName(msgType);
+			version_pt msgVersion = pubsubSerializer_getVersion(msgType);
+
+			bool validVersion = checkVersion(msgVersion,first_msg_hdr);
+
+			if(validVersion){
+
+				int rc = pubsubSerializer_deserialize(msgType, (const void *) zframe_data(((complete_zmq_msg_pt)arrayList_get(msg_list,0))->payload), &msgInst);
+
+				if (rc != -1) {
+					bool release = true;
+
+					mp_handle_pt mp_handle = create_mp_handle(msgTypes,msg_list);
+					pubsub_multipart_callbacks_t mp_callbacks;
+					mp_callbacks.handle = mp_handle;
+					mp_callbacks.localMsgTypeIdForMsgType = pubsub_localMsgTypeIdForMsgType;
+					mp_callbacks.getMultipart = pubsub_getMultipart;
+					subsvc->receive(subsvc->handle, name, first_msg_hdr->type, msgInst, &mp_callbacks, &release);
+
+					if(release){
+						pubsubSerializer_freeMsg(msgType, msgInst);
+					}
+					if(mp_handle!=NULL){
+						destroy_mp_handle(mp_handle);
+					}
+				}
+				else{
+					printf("TS: Cannot deserialize msgType %s.\n",name);
+				}
+
+			}
+			else{
+				int major=0,minor=0;
+				version_getMajor(msgVersion,&major);
+				version_getMinor(msgVersion,&minor);
+				printf("TS: Version mismatch for primary message '%s' (have %d.%d, received %u.%u). NOT sending any part of the whole message.\n",name,major,minor,first_msg_hdr->major,first_msg_hdr->minor);
+			}
+
+		}
+	}
+	hashMapIterator_destroy(iter);
+
+	int i = 0;
+	for(;i<arrayList_size(msg_list);i++){
+		complete_zmq_msg_pt c_msg = arrayList_get(msg_list,i);
+		zframe_destroy(&(c_msg->header));
+		zframe_destroy(&(c_msg->payload));
+		free(c_msg);
+	}
+
+	arrayList_destroy(msg_list);
+
+}
+
+static void* zmq_recv_thread_func(void * arg) {
+    topic_subscription_pt sub = (topic_subscription_pt) arg;
+
+    while (sub->running) {
+
+        celixThreadMutex_lock(&sub->socket_lock);
+
+        zframe_t* headerMsg = zframe_recv(sub->zmq_socket);
+        if (headerMsg == NULL) {
+            if (errno == EINTR) {
+                //It means we got a signal and we have to exit...
+                printf("TS: header_recv thread for topic got a signal and will exit.\n");
+            } else {
+                perror("TS: header_recv thread");
+            }
+        } else {
+
+			pubsub_msg_header_pt hdr = (pubsub_msg_header_pt) zframe_data(headerMsg);
+
+			if (zframe_more(headerMsg)) {
+
+				zframe_t* payloadMsg = zframe_recv(sub->zmq_socket);
+				if (payloadMsg == NULL) {
+					if (errno == EINTR) {
+						//It means we got a signal and we have to exit...
+						printf("TS: payload_recv thread for topic got a signal and will exit.\n");
+					} else {
+						perror("TS: payload_recv");
+					}
+					zframe_destroy(&headerMsg);
+				} else {
+
+					celixThreadMutex_lock(&sub->ts_lock);
+
+					//Let's fetch all the messages from the socket
+					array_list_pt msg_list = NULL;
+					arrayList_create(&msg_list);
+					complete_zmq_msg_pt firstMsg = calloc(1, sizeof(struct complete_zmq_msg));
+					firstMsg->header = headerMsg;
+					firstMsg->payload = payloadMsg;
+					arrayList_add(msg_list, firstMsg);
+
+					bool more = zframe_more(payloadMsg);
+					while (more) {
+
+						zframe_t* h_msg = zframe_recv(sub->zmq_socket);
+						if (h_msg == NULL) {
+							if (errno == EINTR) {
+								//It means we got a signal and we have to exit...
+								printf("TS: h_recv thread for topic got a signal and will exit.\n");
+							} else {
+								perror("TS: h_recv");
+							}
+							break;
+						}
+
+						zframe_t* p_msg = zframe_recv(sub->zmq_socket);
+						if (p_msg == NULL) {
+							if (errno == EINTR) {
+								//It means we got a signal and we have to exit...
+								printf("TS: p_recv thread for topic got a signal and will exit.\n");
+							} else {
+								perror("TS: p_recv");
+							}
+							zframe_destroy(&h_msg);
+							break;
+						}
+
+						complete_zmq_msg_pt c_msg = calloc(1, sizeof(struct complete_zmq_msg));
+						c_msg->header = h_msg;
+						c_msg->payload = p_msg;
+						arrayList_add(msg_list, c_msg);
+
+						if (!zframe_more(p_msg)) {
+							more = false;
+						}
+					}
+
+					process_msg(sub, msg_list);
+
+					celixThreadMutex_unlock(&sub->ts_lock);
+
+				}
+
+			} //zframe_more(headerMsg)
+			else {
+				free(headerMsg);
+				printf("TS: received message %u for topic %s without payload!\n", hdr->type, hdr->topic);
+			}
+
+        } // headerMsg != NULL
+        celixThreadMutex_unlock(&sub->socket_lock);
+        connectPendingPublishers(sub);
+        disconnectPendingPublishers(sub);
+    } // while
+
+    return NULL;
+}
+
+static void connectPendingPublishers(topic_subscription_pt sub) {
+	celixThreadMutex_lock(&sub->pendingConnections_lock);
+	while(!arrayList_isEmpty(sub->pendingConnections)) {
+		char * pubEP = arrayList_remove(sub->pendingConnections, 0);
+		pubsub_topicSubscriptionConnectPublisher(sub, pubEP);
+		free(pubEP);
+	}
+	celixThreadMutex_unlock(&sub->pendingConnections_lock);
+}
+
+static void disconnectPendingPublishers(topic_subscription_pt sub) {
+	celixThreadMutex_lock(&sub->pendingDisconnections_lock);
+	while(!arrayList_isEmpty(sub->pendingDisconnections)) {
+		char * pubEP = arrayList_remove(sub->pendingDisconnections, 0);
+		pubsub_topicSubscriptionDisconnectPublisher(sub, pubEP);
+		free(pubEP);
+	}
+	celixThreadMutex_unlock(&sub->pendingDisconnections_lock);
+}
+
+static void sigusr1_sighandler(int signo){
+	printf("TS: Topic subscription being shut down...\n");
+	return;
+}
+
+static bool checkVersion(version_pt msgVersion,pubsub_msg_header_pt hdr){
+	bool check=false;
+	int major=0,minor=0;
+
+	if(msgVersion!=NULL){
+		version_getMajor(msgVersion,&major);
+		version_getMinor(msgVersion,&minor);
+		if(hdr->major==((unsigned char)major)){ /* Different major means incompatible */
+			check = (hdr->minor>=((unsigned char)minor)); /* Compatible only if the provider has a minor equals or greater (means compatible update) */
+		}
+	}
+
+	return check;
+}
+
+static int pubsub_localMsgTypeIdForMsgType(void* handle, const char* msgType, unsigned int* msgTypeId){
+	*msgTypeId = pubsubSerializer_hashCode(msgType);
+	return 0;
+}
+
+static int pubsub_getMultipart(void *handle, unsigned int msgTypeId, bool retain, void **part){
+
+	if(handle==NULL){
+		*part = NULL;
+		return -1;
+	}
+
+	mp_handle_pt mp_handle = (mp_handle_pt)handle;
+	msg_map_entry_pt entry = hashMap_get(mp_handle->rcv_msg_map,&msgTypeId);
+	if(entry!=NULL){
+		entry->retain = retain;
+		*part = entry->msgInst;
+	}
+	else{
+		printf("TP: getMultipart cannot find msg '%u'\n",msgTypeId);
+		*part=NULL;
+		return -2;
+	}
+
+	return 0;
+
+}
+
+static mp_handle_pt create_mp_handle(hash_map_pt svc_msg_db,array_list_pt rcv_msg_list){
+
+	if(arrayList_size(rcv_msg_list)==1){ //Means it's not a multipart message
+		return NULL;
+	}
+
+	mp_handle_pt mp_handle = calloc(1,sizeof(struct mp_handle));
+	mp_handle->svc_msg_db = svc_msg_db;
+	mp_handle->rcv_msg_map = hashMap_create(uintHash, NULL, uintEquals, NULL);
+
+	int i=1; //We skip the first message, it will be handle differently
+	for(;i<arrayList_size(rcv_msg_list);i++){
+		complete_zmq_msg_pt c_msg = (complete_zmq_msg_pt)arrayList_get(rcv_msg_list,i);
+
+		pubsub_msg_header_pt header = (pubsub_msg_header_pt)zframe_data(c_msg->header);
+
+		pubsub_message_type *msgType = hashMap_get(svc_msg_db,&(header->type));
+		if (msgType != NULL) {
+			void *msgInst = NULL;
+			version_pt msgVersion = pubsubSerializer_getVersion(msgType);
+
+			bool validVersion = checkVersion(msgVersion,header);
+
+			if(validVersion){
+				int rc = pubsubSerializer_deserialize(msgType, (const void *) zframe_data(c_msg->payload), &msgInst);
+
+				if(rc != -1){
+					unsigned int* msgId = calloc(1,sizeof(unsigned int));
+					*msgId = header->type;
+					msg_map_entry_pt entry = calloc(1,sizeof(struct msg_map_entry));
+					entry->msgInst = msgInst;
+					hashMap_put(mp_handle->rcv_msg_map,msgId,entry);
+				}
+			}
+		}
+
+	}
+
+	return mp_handle;
+
+}
+
+static void destroy_mp_handle(mp_handle_pt mp_handle){
+
+	hash_map_iterator_pt iter = hashMapIterator_create(mp_handle->rcv_msg_map);
+	while(hashMapIterator_hasNext(iter)){
+		hash_map_entry_pt entry = hashMapIterator_nextEntry(iter);
+		unsigned int* msgId = (unsigned int*)hashMapEntry_getKey(entry);
+		msg_map_entry_pt msgEntry = hashMapEntry_getValue(entry);
+		pubsub_message_type* msgType = hashMap_get(mp_handle->svc_msg_db,msgId);
+		if(msgType!=NULL){
+			if(!msgEntry->retain){
+				free(msgEntry->msgInst);
+			}
+		}
+		else{
+			printf("TS: ERROR: Cannot find pubsub_message_type for msg %u, so cannot destroy it!\n",*msgId);
+		}
+	}
+	hashMapIterator_destroy(iter);
+
+	hashMap_destroy(mp_handle->rcv_msg_map,true,true);
+	free(mp_handle);
+}

http://git-wip-us.apache.org/repos/asf/celix/blob/f9a5fb11/celix-pubsub/pubsub/pubsub_admin_zmq/private/src/zmq_crypto.c
----------------------------------------------------------------------
diff --git a/celix-pubsub/pubsub/pubsub_admin_zmq/private/src/zmq_crypto.c b/celix-pubsub/pubsub/pubsub_admin_zmq/private/src/zmq_crypto.c
new file mode 100644
index 0000000..fe444bd
--- /dev/null
+++ b/celix-pubsub/pubsub/pubsub_admin_zmq/private/src/zmq_crypto.c
@@ -0,0 +1,281 @@
+/**
+ *Licensed to the Apache Software Foundation (ASF) under one
+ *or more contributor license agreements.  See the NOTICE file
+ *distributed with this work for additional information
+ *regarding copyright ownership.  The ASF licenses this file
+ *to you under the Apache License, Version 2.0 (the
+ *"License"); you may not use this file except in compliance
+ *with the License.  You may obtain a copy of the License at
+ *
+ *  http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *Unless required by applicable law or agreed to in writing,
+ *software distributed under the License is distributed on an
+ *"AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ *specific language governing permissions and limitations
+ *under the License.
+ */
+/*
+ * zmq_crypto.c
+ *
+ *  \date       Dec 2, 2016
+ *  \author    	<a href="mailto:dev@celix.apache.org">Apache Celix Project Team</a>
+ *  \copyright	Apache License, Version 2.0
+ */
+
+#include "zmq_crypto.h"
+
+#include <zmq.h>
+#include <openssl/conf.h>
+#include <openssl/evp.h>
+#include <openssl/err.h>
+
+#include <string.h>
+
+#define MAX_FILE_PATH_LENGTH 512
+#define ZMQ_KEY_LENGTH 40
+#define AES_KEY_LENGTH 32
+#define AES_IV_LENGTH 16
+
+#define KEY_TO_GET "aes_key"
+#define IV_TO_GET "aes_iv"
+
+static char* read_file_content(char* filePath, char* fileName);
+static void parse_key_lines(char *keysBuffer, char **key, char **iv);
+static void parse_key_line(char *line, char **key, char **iv);
+static void extract_keys_from_buffer(unsigned char *input, int inputlen, char **publicKey, char **secretKey);
+
+/**
+ * Return a valid zcert_t from an encoded file
+ * Caller is responsible for freeing by calling zcert_destroy(zcert** cert);
+ */
+zcert_t* get_zcert_from_encoded_file(char* keysFilePath, char* keysFileName, char* file_path)
+{
+
+	if (keysFilePath == NULL){
+		keysFilePath = DEFAULT_KEYS_FILE_PATH;
+	}
+
+	if (keysFileName == NULL){
+		keysFileName = DEFAULT_KEYS_FILE_NAME;
+	}
+
+	char* keys_data = read_file_content(keysFilePath, keysFileName);
+	if (keys_data == NULL){
+		return NULL;
+	}
+
+	char *key = NULL;
+	char *iv = NULL;
+	parse_key_lines(keys_data, &key, &iv);
+	free(keys_data);
+
+	if (key == NULL || iv == NULL){
+		free(key);
+		free(iv);
+
+		printf("CRYPTO: Loading AES key and/or AES iv failed!\n");
+		return NULL;
+	}
+
+	//At this point, we know an aes key and iv are stored and loaded
+
+	// generate sha256 hashes
+	unsigned char key_digest[EVP_MAX_MD_SIZE];
+	unsigned char iv_digest[EVP_MAX_MD_SIZE];
+	generate_sha256_hash((char*) key, key_digest);
+	generate_sha256_hash((char*) iv, iv_digest);
+
+	zchunk_t* encoded_secret = zchunk_slurp (file_path, 0);
+	if (encoded_secret == NULL){
+		free(key);
+		free(iv);
+
+		return NULL;
+	}
+
+	int encoded_secret_size = (int) zchunk_size (encoded_secret);
+	char* encoded_secret_data = zchunk_strdup(encoded_secret);
+	zchunk_destroy (&encoded_secret);
+
+	// Decryption of data
+	int decryptedtext_len;
+	unsigned char decryptedtext[encoded_secret_size];
+	decryptedtext_len = decrypt((unsigned char *) encoded_secret_data, encoded_secret_size, key_digest, iv_digest, decryptedtext);
+	decryptedtext[decryptedtext_len] = '\0';
+
+	EVP_cleanup();
+
+	free(encoded_secret_data);
+	free(key);
+	free(iv);
+
+	// The public and private keys are retrieved
+	char* public_text = NULL;
+	char* secret_text = NULL;
+
+	extract_keys_from_buffer(decryptedtext, decryptedtext_len, &public_text, &secret_text);
+
+	byte public_key [32] = { 0 };
+	byte secret_key [32] = { 0 };
+
+	zmq_z85_decode (public_key, public_text);
+	zmq_z85_decode (secret_key, secret_text);
+
+	zcert_t* cert_loaded = zcert_new_from(public_key, secret_key);
+
+	free(public_text);
+	free(secret_text);
+
+	return cert_loaded;
+}
+
+int generate_sha256_hash(char* text, unsigned char* digest)
+{
+	unsigned int digest_len;
+
+	EVP_MD_CTX * mdctx = EVP_MD_CTX_new();
+	EVP_DigestInit_ex(mdctx, EVP_sha256(), NULL);
+	EVP_DigestUpdate(mdctx, text, strlen(text));
+	EVP_DigestFinal_ex(mdctx, digest, &digest_len);
+	EVP_MD_CTX_free(mdctx);
+
+	return digest_len;
+}
+
+int decrypt(unsigned char *ciphertext, int ciphertext_len, unsigned char *key, unsigned char *iv, unsigned char *plaintext)
+{
+	int len;
+	int plaintext_len;
+
+	EVP_CIPHER_CTX* ctx = EVP_CIPHER_CTX_new();
+
+	EVP_DecryptInit_ex(ctx, EVP_aes_256_cbc(), NULL, key, iv);
+	EVP_DecryptUpdate(ctx, plaintext, &len, ciphertext, ciphertext_len);
+	plaintext_len = len;
+	EVP_DecryptFinal_ex(ctx, plaintext + len, &len);
+	plaintext_len += len;
+
+	EVP_CIPHER_CTX_free(ctx);
+
+	return plaintext_len;
+}
+
+/**
+ * Caller is responsible for freeing the returned value
+ */
+static char* read_file_content(char* filePath, char* fileName){
+
+	char fileNameWithPath[MAX_FILE_PATH_LENGTH];
+	snprintf(fileNameWithPath, MAX_FILE_PATH_LENGTH, "%s/%s", filePath, fileName);
+	int rc = 0;
+
+	if (!zsys_file_exists(fileNameWithPath)){
+		printf("CRYPTO: Keys file '%s' doesn't exist!\n", fileNameWithPath);
+		return NULL;
+	}
+
+	zfile_t* keys_file = zfile_new (filePath, fileName);
+	rc = zfile_input (keys_file);
+	if (rc != 0){
+		zfile_destroy(&keys_file);
+		printf("CRYPTO: Keys file '%s' not readable!\n", fileNameWithPath);
+		return NULL;
+	}
+
+	ssize_t keys_file_size = zsys_file_size (fileNameWithPath);
+	zchunk_t* keys_chunk = zfile_read (keys_file, keys_file_size, 0);
+	if (keys_chunk == NULL){
+		zfile_close(keys_file);
+		zfile_destroy(&keys_file);
+		printf("CRYPTO: Can't read file '%s'!\n", fileNameWithPath);
+		return NULL;
+	}
+
+	char* keys_data = zchunk_strdup(keys_chunk);
+	zchunk_destroy(&keys_chunk);
+	zfile_close(keys_file);
+	zfile_destroy (&keys_file);
+
+	return keys_data;
+}
+
+static void parse_key_lines(char *keysBuffer, char **key, char **iv){
+	char *line = NULL, *saveLinePointer = NULL;
+
+	bool firstTime = true;
+	do {
+		if (firstTime){
+			line = strtok_r(keysBuffer, "\n", &saveLinePointer);
+			firstTime = false;
+		}else {
+			line = strtok_r(NULL, "\n", &saveLinePointer);
+		}
+
+		if (line == NULL){
+			break;
+		}
+
+		parse_key_line(line, key, iv);
+
+	} while((*key == NULL || *iv == NULL) && line != NULL);
+
+}
+
+static void parse_key_line(char *line, char **key, char **iv){
+	char *detectedKey = NULL, *detectedValue= NULL;
+
+	char* sep_at = strchr(line, ':');
+	if (sep_at == NULL){
+		return;
+	}
+
+	*sep_at = '\0'; // overwrite first separator, creating two strings.
+	detectedKey = line;
+	detectedValue = sep_at + 1;
+
+	if (detectedKey == NULL || detectedValue == NULL){
+		return;
+	}
+	if (detectedKey[0] == '\0' || detectedValue[0] == '\0'){
+		return;
+	}
+
+	if (*key == NULL && strcmp(detectedKey, KEY_TO_GET) == 0){
+		*key = strndup(detectedValue, AES_KEY_LENGTH);
+	} else if (*iv == NULL && strcmp(detectedKey, IV_TO_GET) == 0){
+		*iv = strndup(detectedValue, AES_IV_LENGTH);
+	}
+}
+
+static void extract_keys_from_buffer(unsigned char *input, int inputlen, char **publicKey, char **secretKey) {
+	// Load decrypted text buffer
+	zchunk_t* secret_decrypted = zchunk_new(input, inputlen);
+	if (secret_decrypted == NULL){
+		printf("CRYPTO: Failed to create zchunk\n");
+		return;
+	}
+
+	zconfig_t* secret_config = zconfig_chunk_load (secret_decrypted);
+	zchunk_destroy (&secret_decrypted);
+	if (secret_config == NULL){
+		printf("CRYPTO: Failed to create zconfig\n");
+		return;
+	}
+
+	// Extract public and secret key from text buffer
+	char* public_text = zconfig_get (secret_config, "/curve/public-key", NULL);
+	char* secret_text = zconfig_get (secret_config, "/curve/secret-key", NULL);
+
+	if (public_text == NULL || secret_text == NULL){
+		zconfig_destroy(&secret_config);
+		printf("CRYPTO: Loading public / secret key from text-buffer failed!\n");
+		return;
+	}
+
+	*publicKey = strndup(public_text, ZMQ_KEY_LENGTH + 1);
+	*secretKey = strndup(secret_text, ZMQ_KEY_LENGTH + 1);
+
+	zconfig_destroy(&secret_config);
+}

http://git-wip-us.apache.org/repos/asf/celix/blob/f9a5fb11/celix-pubsub/pubsub/pubsub_common/public/include/dyn_msg_utils.h
----------------------------------------------------------------------
diff --git a/celix-pubsub/pubsub/pubsub_common/public/include/dyn_msg_utils.h b/celix-pubsub/pubsub/pubsub_common/public/include/dyn_msg_utils.h
new file mode 100644
index 0000000..71085ab
--- /dev/null
+++ b/celix-pubsub/pubsub/pubsub_common/public/include/dyn_msg_utils.h
@@ -0,0 +1,39 @@
+/**
+ *Licensed to the Apache Software Foundation (ASF) under one
+ *or more contributor license agreements.  See the NOTICE file
+ *distributed with this work for additional information
+ *regarding copyright ownership.  The ASF licenses this file
+ *to you under the Apache License, Version 2.0 (the
+ *"License"); you may not use this file except in compliance
+ *with the License.  You may obtain a copy of the License at
+ *
+ *  http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *Unless required by applicable law or agreed to in writing,
+ *software distributed under the License is distributed on an
+ *"AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ *specific language governing permissions and limitations
+ *under the License.
+ */
+/*
+ * dyn_msg_utils.h
+ *
+ *  \date       Nov 11, 2015
+ *  \author    	<a href="mailto:dev@celix.apache.org">Apache Celix Project Team</a>
+ *  \copyright	Apache License, Version 2.0
+ */
+
+#ifndef DYN_MSG_UTILS_H_
+#define DYN_MSG_UTILS_H_
+
+#include "bundle.h"
+#include "hash_map.h"
+
+unsigned int uintHash(const void * uintNum);
+int uintEquals(const void * uintNum, const void * toCompare);
+
+void fillMsgTypesMap(hash_map_pt msgTypesMap,bundle_pt bundle);
+void emptyMsgTypesMap(hash_map_pt msgTypesMap);
+
+#endif /* DYN_MSG_UTILS_H_ */

http://git-wip-us.apache.org/repos/asf/celix/blob/f9a5fb11/celix-pubsub/pubsub/pubsub_common/public/include/etcd.h
----------------------------------------------------------------------
diff --git a/celix-pubsub/pubsub/pubsub_common/public/include/etcd.h b/celix-pubsub/pubsub/pubsub_common/public/include/etcd.h
new file mode 100644
index 0000000..a502df4
--- /dev/null
+++ b/celix-pubsub/pubsub/pubsub_common/public/include/etcd.h
@@ -0,0 +1,39 @@
+/**
+ *Licensed to the Apache Software Foundation (ASF) under one
+ *or more contributor license agreements.  See the NOTICE file
+ *distributed with this work for additional information
+ *regarding copyright ownership.  The ASF licenses this file
+ *to you under the Apache License, Version 2.0 (the
+ *"License"); you may not use this file except in compliance
+ *with the License.  You may obtain a copy of the License at
+ *
+ *  http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *Unless required by applicable law or agreed to in writing,
+ *software distributed under the License is distributed on an
+ *"AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ *specific language governing permissions and limitations
+ *under the License.
+ */
+
+#ifndef ETCD_H_
+#define ETCD_H_
+
+#include <stdbool.h>
+
+typedef void (*etcd_key_value_callback) (const char *key, const char *value, void* arg);
+
+int etcd_init(const char* server, int port);
+
+int etcd_get(const char* key, char** value, int* modifiedIndex);
+int etcd_get_directory(const char* directory, etcd_key_value_callback callback, void *arg, long long* modifiedIndex);
+
+int etcd_set(const char* key, const char* value, int ttl, bool prevExist);
+int etcd_set_with_check(const char* key, const char* value, int ttl, bool always_write);
+
+int etcd_del(const char* key);
+
+int etcd_watch(const char* key, long long index, char** action, char** prevValue, char** value, char** rkey, long long* modifiedIndex);
+
+#endif /* ETCD_H_ */

http://git-wip-us.apache.org/repos/asf/celix/blob/f9a5fb11/celix-pubsub/pubsub/pubsub_common/public/include/publisher_endpoint_announce.h
----------------------------------------------------------------------
diff --git a/celix-pubsub/pubsub/pubsub_common/public/include/publisher_endpoint_announce.h b/celix-pubsub/pubsub/pubsub_common/public/include/publisher_endpoint_announce.h
new file mode 100644
index 0000000..bd39fc0
--- /dev/null
+++ b/celix-pubsub/pubsub/pubsub_common/public/include/publisher_endpoint_announce.h
@@ -0,0 +1,36 @@
+/**
+ *Licensed to the Apache Software Foundation (ASF) under one
+ *or more contributor license agreements.  See the NOTICE file
+ *distributed with this work for additional information
+ *regarding copyright ownership.  The ASF licenses this file
+ *to you under the Apache License, Version 2.0 (the
+ *"License"); you may not use this file except in compliance
+ *with the License.  You may obtain a copy of the License at
+ *
+ *  http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *Unless required by applicable law or agreed to in writing,
+ *software distributed under the License is distributed on an
+ *"AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ *specific language governing permissions and limitations
+ *under the License.
+ */
+
+#ifndef PUBLISHER_ENDPOINT_ANNOUNCE_H_
+#define PUBLISHER_ENDPOINT_ANNOUNCE_H_
+
+#include "pubsub_endpoint.h"
+
+struct publisher_endpoint_announce {
+	void *handle;
+	celix_status_t (*announcePublisher)(void *handle, pubsub_endpoint_pt pubEP);
+	celix_status_t (*removePublisher)(void *handle, pubsub_endpoint_pt pubEP);
+	celix_status_t (*interestedInTopic)(void* handle, const char *scope, const char *topic);
+	celix_status_t (*uninterestedInTopic)(void* handle, const char *scope, const char *topic);
+};
+
+typedef struct publisher_endpoint_announce *publisher_endpoint_announce_pt;
+
+
+#endif /* PUBLISHER_ENDPOINT_ANNOUNCE_H_ */

http://git-wip-us.apache.org/repos/asf/celix/blob/f9a5fb11/celix-pubsub/pubsub/pubsub_common/public/include/pubsub_admin.h
----------------------------------------------------------------------
diff --git a/celix-pubsub/pubsub/pubsub_common/public/include/pubsub_admin.h b/celix-pubsub/pubsub/pubsub_common/public/include/pubsub_admin.h
new file mode 100644
index 0000000..1670942
--- /dev/null
+++ b/celix-pubsub/pubsub/pubsub_common/public/include/pubsub_admin.h
@@ -0,0 +1,56 @@
+/**
+ *Licensed to the Apache Software Foundation (ASF) under one
+ *or more contributor license agreements.  See the NOTICE file
+ *distributed with this work for additional information
+ *regarding copyright ownership.  The ASF licenses this file
+ *to you under the Apache License, Version 2.0 (the
+ *"License"); you may not use this file except in compliance
+ *with the License.  You may obtain a copy of the License at
+ *
+ *  http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *Unless required by applicable law or agreed to in writing,
+ *software distributed under the License is distributed on an
+ *"AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ *specific language governing permissions and limitations
+ *under the License.
+ */
+/*
+ * pubsub_admin.h
+ *
+ *  \date       Sep 30, 2011
+ *  \author    	<a href="mailto:dev@celix.apache.org">Apache Celix Project Team</a>
+ *  \copyright	Apache License, Version 2.0
+ */
+
+#ifndef PUBSUB_ADMIN_H_
+#define PUBSUB_ADMIN_H_
+
+#include "service_reference.h"
+
+#include "pubsub_common.h"
+#include "pubsub_endpoint.h"
+
+#define PSA_IP 	"PSA_IP"
+#define PSA_ITF	"PSA_INTERFACE"
+#define PSA_MULTICAST_IP_PREFIX "PSA_MC_PREFIX"
+
+typedef struct pubsub_admin *pubsub_admin_pt;
+
+struct pubsub_admin_service {
+	pubsub_admin_pt admin;
+
+	celix_status_t (*addSubscription)(pubsub_admin_pt admin,pubsub_endpoint_pt subEP);
+	celix_status_t (*removeSubscription)(pubsub_admin_pt admin,pubsub_endpoint_pt subEP);
+
+	celix_status_t (*addPublication)(pubsub_admin_pt admin,pubsub_endpoint_pt subEP);
+	celix_status_t (*removePublication)(pubsub_admin_pt admin,pubsub_endpoint_pt subEP);
+
+	celix_status_t (*closeAllPublications)(pubsub_admin_pt admin,char* scope, char* topic);
+	celix_status_t (*closeAllSubscriptions)(pubsub_admin_pt admin,char* scope, char* topic);
+};
+
+typedef struct pubsub_admin_service *pubsub_admin_service_pt;
+
+#endif /* PUBSUB_ADMIN_H_ */

http://git-wip-us.apache.org/repos/asf/celix/blob/f9a5fb11/celix-pubsub/pubsub/pubsub_common/public/include/pubsub_common.h
----------------------------------------------------------------------
diff --git a/celix-pubsub/pubsub/pubsub_common/public/include/pubsub_common.h b/celix-pubsub/pubsub/pubsub_common/public/include/pubsub_common.h
new file mode 100644
index 0000000..d9c6f1d
--- /dev/null
+++ b/celix-pubsub/pubsub/pubsub_common/public/include/pubsub_common.h
@@ -0,0 +1,51 @@
+/**
+ *Licensed to the Apache Software Foundation (ASF) under one
+ *or more contributor license agreements.  See the NOTICE file
+ *distributed with this work for additional information
+ *regarding copyright ownership.  The ASF licenses this file
+ *to you under the Apache License, Version 2.0 (the
+ *"License"); you may not use this file except in compliance
+ *with the License.  You may obtain a copy of the License at
+ *
+ *  http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *Unless required by applicable law or agreed to in writing,
+ *software distributed under the License is distributed on an
+ *"AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ *specific language governing permissions and limitations
+ *under the License.
+ */
+/*
+ * pubsub_common.h
+ *
+ *  \date       Sep 17, 2015
+ *  \author    	<a href="mailto:dev@celix.apache.org">Apache Celix Project Team</a>
+ *  \copyright	Apache License, Version 2.0
+ */
+
+#ifndef PUBSUB_COMMON_H_
+#define PUBSUB_COMMON_H_
+
+#define PUBSUB_ADMIN_SERVICE 			"pubsub_admin"
+#define PUBSUB_DISCOVERY_SERVICE		"pubsub_discovery"
+#define PUBSUB_TM_ANNOUNCE_PUBLISHER_SERVICE    "pubsub_tm_announce_publisher"
+
+#define PUBSUB_ANY_SUB_TOPIC			"any"
+
+#define PUBSUB_BUNDLE_ID				"bundle.id"
+
+#define MAX_SCOPE_LEN					1024
+#define MAX_TOPIC_LEN					1024
+
+struct pubsub_msg_header{
+	char topic[MAX_TOPIC_LEN];
+	unsigned int type;
+	unsigned char major;
+	unsigned char minor;
+};
+
+typedef struct pubsub_msg_header* pubsub_msg_header_pt;
+
+
+#endif /* PUBSUB_COMMON_H_ */

http://git-wip-us.apache.org/repos/asf/celix/blob/f9a5fb11/celix-pubsub/pubsub/pubsub_common/public/include/pubsub_endpoint.h
----------------------------------------------------------------------
diff --git a/celix-pubsub/pubsub/pubsub_common/public/include/pubsub_endpoint.h b/celix-pubsub/pubsub/pubsub_common/public/include/pubsub_endpoint.h
new file mode 100644
index 0000000..ae6bcf8
--- /dev/null
+++ b/celix-pubsub/pubsub/pubsub_common/public/include/pubsub_endpoint.h
@@ -0,0 +1,49 @@
+/**
+ *Licensed to the Apache Software Foundation (ASF) under one
+ *or more contributor license agreements.  See the NOTICE file
+ *distributed with this work for additional information
+ *regarding copyright ownership.  The ASF licenses this file
+ *to you under the Apache License, Version 2.0 (the
+ *"License"); you may not use this file except in compliance
+ *with the License.  You may obtain a copy of the License at
+ *
+ *  http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *Unless required by applicable law or agreed to in writing,
+ *software distributed under the License is distributed on an
+ *"AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ *specific language governing permissions and limitations
+ *under the License.
+ */
+/*
+ * pubsub_endpoint.h
+ *
+ *  \date       Sep 21, 2015
+ *  \author    	<a href="mailto:dev@celix.apache.org">Apache Celix Project Team</a>
+ *  \copyright	Apache License, Version 2.0
+ */
+
+#ifndef PUBSUB_ENDPOINT_H_
+#define PUBSUB_ENDPOINT_H_
+
+#include "service_reference.h"
+
+struct pubsub_endpoint {
+    char *frameworkUUID;
+    char *scope;
+    char *topic;
+    long serviceID;
+    char* endpoint;
+};
+
+typedef struct pubsub_endpoint *pubsub_endpoint_pt;
+
+celix_status_t pubsubEndpoint_create(const char* fwUUID, const char* scope, const char* topic, long serviceId,const char* endpoint,pubsub_endpoint_pt* psEp);
+celix_status_t pubsubEndpoint_createFromServiceReference(service_reference_pt reference,pubsub_endpoint_pt* psEp);
+celix_status_t pubsubEndpoint_destroy(pubsub_endpoint_pt psEp);
+bool pubsubEndpoint_equals(pubsub_endpoint_pt psEp1,pubsub_endpoint_pt psEp2);
+
+char *createScopeTopicKey(const char* scope, const char* topic);
+
+#endif /* PUBSUB_ENDPOINT_H_ */


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