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From pnol...@apache.org
Subject [4/6] celix git commit: CELIX-389: Adds Celix Publish Subscribe donation.
Date Mon, 06 Feb 2017 14:23:03 GMT
http://git-wip-us.apache.org/repos/asf/celix/blob/f9a5fb11/celix-pubsub/pubsub/pubsub_admin_udp_mc/private/src/pubsub_admin_impl.c
----------------------------------------------------------------------
diff --git a/celix-pubsub/pubsub/pubsub_admin_udp_mc/private/src/pubsub_admin_impl.c b/celix-pubsub/pubsub/pubsub_admin_udp_mc/private/src/pubsub_admin_impl.c
new file mode 100644
index 0000000..722a7a4
--- /dev/null
+++ b/celix-pubsub/pubsub/pubsub_admin_udp_mc/private/src/pubsub_admin_impl.c
@@ -0,0 +1,670 @@
+/**
+ *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 <stdio.h>
+#include <stdlib.h>
+
+#ifndef ANDROID
+#include <ifaddrs.h>
+#endif
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <string.h>
+
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <netinet/in.h>
+#include <arpa/inet.h>
+#include <netdb.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 "pubsub_admin_impl.h"
+#include "topic_subscription.h"
+#include "pubsub_publish_service_private.h"
+#include "pubsub_endpoint.h"
+#include "subscriber.h"
+
+static const char *DEFAULT_MC_IP = "224.100.1.1";
+static char *DEFAULT_MC_PREFIX = "224.100";
+
+static celix_status_t pubsubAdmin_getIpAddress(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;
+
+	*admin = calloc(1, sizeof(**admin));
+
+	if (!*admin) {
+		status = CELIX_ENOMEM;
+	}
+	else{
+
+		char *mc_ip = NULL;
+		char *if_ip = 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);
+		}
+		const char *mc_ip_prop = NULL;
+		bundleContext_getProperty(context,PSA_IP , &mc_ip_prop);
+		if(mc_ip_prop) {
+		    mc_ip = strdup(mc_ip_prop);
+		}
+#ifndef ANDROID
+		if (mc_ip == NULL) {
+		    const char *mc_prefix = NULL;
+            const char *interface = NULL;
+            int b0, b1, b2, b3;
+            bundleContext_getProperty(context,PSA_MULTICAST_IP_PREFIX , &mc_prefix);
+            if(mc_prefix == NULL) {
+                mc_prefix = DEFAULT_MC_PREFIX;
+            }
+
+			bundleContext_getProperty(context, PSA_ITF, &interface);
+			if (pubsubAdmin_getIpAddress(interface, &if_ip) != CELIX_SUCCESS) {
+				logHelper_log((*admin)->loghelper, OSGI_LOGSERVICE_WARNING, "PSA: Could not retrieve IP address for interface %s", interface);
+			}
+
+			printf("IP Detected : %s\n", if_ip);
+			if(if_ip && sscanf(if_ip, "%i.%i.%i.%i", &b0, &b1, &b2, &b3) != 4) {
+			    logHelper_log((*admin)->loghelper, OSGI_LOGSERVICE_WARNING, "PSA: Could not parse IP address %s", if_ip);
+			    b2 = 1;
+			    b3 = 1;
+			}
+
+            asprintf(&mc_ip, "%s.%d.%d",mc_prefix, b2, b3);
+
+	        int sendSocket = socket(AF_INET, SOCK_DGRAM, 0);
+	        if(sendSocket == -1) {
+	            perror("pubsubAdmin_create:socket");
+	            return CELIX_SERVICE_EXCEPTION;
+	        }
+	        char loop = 1;
+	        if(setsockopt(sendSocket, IPPROTO_IP, IP_MULTICAST_LOOP, &loop, sizeof(loop)) != 0) {
+	            perror("pubsubAdmin_create:setsockopt(IP_MULTICAST_LOOP)");
+	            return CELIX_SERVICE_EXCEPTION;
+	        }
+
+	        struct in_addr multicast_interface;
+	        inet_aton(if_ip, &multicast_interface);
+	        if(setsockopt(sendSocket,  IPPROTO_IP, IP_MULTICAST_IF, &multicast_interface, sizeof(multicast_interface)) != 0) {
+	            perror("pubsubAdmin_create:setsockopt(IP_MULTICAST_IF)");
+	            return CELIX_SERVICE_EXCEPTION;
+	        }
+
+	        (*admin)->sendSocket = sendSocket;
+
+		}
+#endif
+        if (if_ip != NULL) {
+            logHelper_log((*admin)->loghelper, OSGI_LOGSERVICE_INFO, "PSA: Using %s as interface for multicast communication", if_ip);
+            (*admin)->ifIpAddress = if_ip;
+        } else {
+            (*admin)->ifIpAddress = strdup("127.0.0.1");
+        }
+
+		if (mc_ip != NULL) {
+			logHelper_log((*admin)->loghelper, OSGI_LOGSERVICE_INFO, "PSA: Using %s for service annunciation", mc_ip);
+			(*admin)->mcIpAddress = mc_ip;
+		}
+		else {
+			logHelper_log((*admin)->loghelper, OSGI_LOGSERVICE_WARNING, "PSA: No IP address for service annunciation set. Using %s", DEFAULT_MC_IP);
+			(*admin)->mcIpAddress = strdup(DEFAULT_MC_IP);
+		}
+
+	}
+
+	return status;
+}
+
+
+celix_status_t pubsubAdmin_destroy(pubsub_admin_pt admin)
+{
+	celix_status_t status = CELIX_SUCCESS;
+
+	free(admin->mcIpAddress);
+    free(admin->ifIpAddress);
+
+	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);
+
+	free(admin);
+
+	return status;
+}
+
+celix_status_t pubsubAdmin_stop(pubsub_admin_pt admin) {
+	celix_status_t status = CELIX_SUCCESS;
+
+	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->ifIpAddress, admin->bundle_context, PUBSUB_SUBSCRIBER_SCOPE_DEFAULT, PUBSUB_ANY_SUB_TOPIC,&any_sub);
+
+		/* 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);
+
+		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->ifIpAddress, admin->bundle_context, subEP->scope, subEP->topic,&subscription);
+
+			/* 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);
+			}
+		}
+		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 scope=%s, topic=%s]\n",subEP->frameworkUUID,subEP->serviceID,subEP->scope, subEP->topic);
+
+	celixThreadMutex_lock(&admin->subscriptionsLock);
+	char* scope_topic = createScopeTopicKey(subEP->scope, subEP->topic);
+	topic_subscription_pt sub = (topic_subscription_pt)hashMap_get(admin->subscriptions,scope_topic);
+	free(scope_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;
+
+	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) && (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->sendSocket, pubEP,admin->mcIpAddress,&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 topic %s (bundle %ld).\n",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);
+	}
+
+    /* 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_topicSubscriptionConnectPublisher(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_topicSubscriptionConnectPublisher(any_sub,pubEP->endpoint);
+    }
+
+    celixThreadMutex_unlock(&admin->subscriptionsLock);
+
+	/* 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* key = (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,key);
+		arrayList_clear(pendingSubList);
+		arrayList_destroy(pendingSubList);
+		free(key);
+	}
+    free(scope_topic);
+
+    celixThreadMutex_unlock(&admin->pendingSubscriptionsLock);
+
+	return status;
+
+}
+
+celix_status_t pubsubAdmin_removePublication(pubsub_admin_pt admin,pubsub_endpoint_pt pubEP){
+	celix_status_t status = CELIX_SUCCESS;
+
+	printf("PSA: Removing publication [FWUUID=%s bundleID=%ld scope=%s, topic=%s]\n",pubEP->frameworkUUID,pubEP->serviceID,pubEP->scope, 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){
+					arrayList_remove(ext_pub_list,i);
+				}
+			}
+            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,scope_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){
+		pubsub_topicSubscriptionDisconnectPublisher(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_topicSubscriptionDisconnectPublisher(any_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 for scope=%s,topic=%s\n", scope, topic);
+
+	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* key = (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(key);
+		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,topic);
+		free(topic);
+
+	}
+	free(scope_topic);
+	celixThreadMutex_unlock(&admin->subscriptionsLock);
+
+	return status;
+
+}
+
+
+#ifndef ANDROID
+static celix_status_t pubsubAdmin_getIpAddress(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);
+	}
+	if(status == CELIX_SUCCESS) {
+
+	}
+	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,scope_topic,pendingListPerTopic);
+	} else {
+	    free(scope_topic);
+	}
+	arrayList_add(pendingListPerTopic,subEP);
+
+	return status;
+}

http://git-wip-us.apache.org/repos/asf/celix/blob/f9a5fb11/celix-pubsub/pubsub/pubsub_admin_udp_mc/private/src/topic_publication.c
----------------------------------------------------------------------
diff --git a/celix-pubsub/pubsub/pubsub_admin_udp_mc/private/src/topic_publication.c b/celix-pubsub/pubsub/pubsub_admin_udp_mc/private/src/topic_publication.c
new file mode 100644
index 0000000..9a9fa55
--- /dev/null
+++ b/celix-pubsub/pubsub/pubsub_admin_udp_mc/private/src/topic_publication.c
@@ -0,0 +1,470 @@
+/**
+ *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 <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+#include <errno.h>
+
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <netinet/in.h>
+#include <arpa/inet.h>
+
+#include "array_list.h"
+#include "celixbool.h"
+#include "service_registration.h"
+#include "dyn_msg_utils.h"
+#include "utils.h"
+#include "service_factory.h"
+#include "version.h"
+
+#include "pubsub_publish_service_private.h"
+#include "pubsub_common.h"
+#include "publisher.h"
+#include "large_udp.h"
+
+#include "pubsub_serializer.h"
+
+#define EP_ADDRESS_LEN		32
+
+#define FIRST_SEND_DELAY	2
+
+struct topic_publication {
+	int sendSocket;
+	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;
+	struct sockaddr_in destAddr;
+};
+
+typedef struct publish_bundle_bound_service {
+	topic_publication_pt parent;
+	pubsub_publisher_pt service;
+	bundle_pt bundle;
+    char *scope;
+	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;
+	largeUdp_pt largeUdpHandle;
+}* 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_localMsgTypeIdForUUID(void* handle, const char* msgType, unsigned int* msgTypeId);
+
+
+static void delay_first_send_for_late_joiners(void);
+
+
+celix_status_t pubsub_topicPublicationCreate(int sendSocket, pubsub_endpoint_pt pubEP,char* bindIP, topic_publication_pt *out){
+
+    char* ep = malloc(EP_ADDRESS_LEN);
+    memset(ep,0,EP_ADDRESS_LEN);
+    unsigned int port = pubEP->serviceID + rand_range(UDP_BASE_PORT+pubEP->serviceID+3, UDP_MAX_PORT);
+    snprintf(ep,EP_ADDRESS_LEN,"udp://%s:%u",bindIP,port);
+
+
+	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->sendSocket = sendSocket;
+	pub->destAddr.sin_family = AF_INET;
+	pub->destAddr.sin_addr.s_addr = inet_addr(bindIP);
+	pub->destAddr.sin_port = htons(port);
+
+	pubsub_topicPublicationAddPublisherEP(pub,pubEP);
+
+	*out = pub;
+
+	return CELIX_SUCCESS;
+}
+
+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;
+	status = close(pub->sendSocket);
+
+	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_SCOPE,pubEP->scope);
+		properties_set(props,PUBSUB_PUBLISHER_TOPIC,pubEP->topic);
+
+		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, topic %s (bundle %ld).\n",pubEP->scope, 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));
+	arrayList_removeElement(pub->pub_ep_list,ep);
+	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(publish_bundle_bound_service_pt bound, pubsub_msg_pt msg, bool last, pubsub_release_callback_t *releaseCallback){
+	const int iovec_len = 3; // header + size + payload
+	bool ret = true;
+	pubsub_udp_msg_pt udpMsg;
+
+	int compiledMsgSize = sizeof(*udpMsg) + msg->payloadSize;
+
+	struct iovec msg_iovec[iovec_len];
+	msg_iovec[0].iov_base = msg->header;
+	msg_iovec[0].iov_len = sizeof(*msg->header);
+	msg_iovec[1].iov_base = &msg->payloadSize;
+	msg_iovec[1].iov_len = sizeof(msg->payloadSize);
+	msg_iovec[2].iov_base = msg->payload;
+	msg_iovec[2].iov_len = msg->payloadSize;
+
+	delay_first_send_for_late_joiners();
+
+	if(largeUdp_sendmsg(bound->largeUdpHandle, bound->parent->sendSocket, msg_iovec, iovec_len, 0, &bound->parent->destAddr, sizeof(bound->parent->destAddr)) == -1) {
+	    fprintf(stderr, "Socket: %d, size: %i",bound->parent->sendSocket, compiledMsgSize);
+	    perror("send_pubsub_msg:sendSocket");
+	    ret = false;
+	}
+
+	//free(udpMsg);
+	if(releaseCallback) {
+	    releaseCallback->release(msg->payload, bound);
+	}
+	return ret;
+
+}
+
+
+static int pubsub_topicPublicationSend(void* handle, unsigned int msgTypeId, void *msg) {
+    int status = 0;
+    publish_bundle_bound_service_pt bound = (publish_bundle_bound_service_pt) handle;
+
+    celixThreadMutex_lock(&(bound->mp_lock));
+
+    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;
+
+		celixThreadMutex_lock(&(bound->parent->tp_lock));
+		if(send_pubsub_msg(bound, msg,true, NULL) == false) {
+			status = -1;
+		}
+		free(msg_hdr);
+		free(msg);
+		free(serializedOutput);
+		celixThreadMutex_unlock(&(bound->parent->tp_lock));
+
+    } 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->scope=strdup(pubEP->scope);
+		bound->topic=strdup(pubEP->topic);
+		bound->largeUdpHandle = largeUdp_create(1);
+		bound->service->handle = bound;
+		bound->service->localMsgTypeIdForMsgType = pubsub_localMsgTypeIdForUUID;
+		bound->service->send = pubsub_topicPublicationSend;
+		bound->service->sendMultipart = NULL;  //Multipart not supported (jet) for UDP
+
+		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->scope!=NULL){
+        free(boundSvc->scope);
+    }
+
+    if(boundSvc->topic!=NULL){
+		free(boundSvc->topic);
+	}
+
+	largeUdp_destroy(boundSvc->largeUdpHandle);
+
+	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_udp_mc/private/src/topic_subscription.c
----------------------------------------------------------------------
diff --git a/celix-pubsub/pubsub/pubsub_admin_udp_mc/private/src/topic_subscription.c b/celix-pubsub/pubsub/pubsub_admin_udp_mc/private/src/topic_subscription.c
new file mode 100644
index 0000000..12ec56d
--- /dev/null
+++ b/celix-pubsub/pubsub/pubsub_admin_udp_mc/private/src/topic_subscription.c
@@ -0,0 +1,497 @@
+/**
+ *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 <string.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <signal.h>
+
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <sys/epoll.h>
+#include <netinet/in.h>
+#include <arpa/inet.h>
+
+#include "utils.h"
+#include "celix_errno.h"
+#include "constants.h"
+#include "version.h"
+
+#include "topic_subscription.h"
+#include "subscriber.h"
+#include "publisher.h"
+#include "dyn_msg_utils.h"
+#include "pubsub_publish_service_private.h"
+#include "large_udp.h"
+
+#include "pubsub_serializer.h"
+
+#define MAX_EPOLL_EVENTS        10
+#define RECV_THREAD_TIMEOUT     5
+#define UDP_BUFFER_SIZE         65535
+#define MAX_UDP_SESSIONS        16
+
+struct topic_subscription{
+
+	char* ifIpAddress;
+	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;
+	int topicEpollFd; // EPOLL filedescriptor where the sockets are registered.
+	hash_map_pt servicesMap; // key = service, value = msg types map
+	hash_map_pt socketMap; // key = URL, value = listen-socket
+	unsigned int nrSubscribers;
+	largeUdp_pt largeUdpHandle;
+};
+
+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* udp_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);
+
+
+celix_status_t pubsub_topicSubscriptionCreate(char* ifIp,bundle_context_pt bundle_context, char* scope, char* topic,topic_subscription_pt* out){
+	celix_status_t status = CELIX_SUCCESS;
+
+	topic_subscription_pt ts = (topic_subscription_pt) calloc(1,sizeof(*ts));
+	ts->context = bundle_context;
+	ts->ifIpAddress = strdup(ifIp);
+	ts->topicEpollFd = epoll_create1(0);
+	if(ts->topicEpollFd == -1) {
+	    status += CELIX_SERVICE_EXCEPTION;
+	}
+
+	ts->running = false;
+	ts->nrSubscribers = 0;
+
+	celixThreadMutex_create(&ts->ts_lock,NULL);
+	arrayList_create(&ts->sub_ep_list);
+	ts->servicesMap = hashMap_create(NULL, NULL, NULL, NULL);
+	ts->socketMap =  hashMap_create(utils_stringHash, NULL, utils_stringEquals, NULL);
+
+	ts->largeUdpHandle = largeUdp_create(MAX_UDP_SESSIONS);
+
+	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;
+	free(ts->ifIpAddress);
+	serviceTracker_destroy(ts->tracker);
+	arrayList_clear(ts->sub_ep_list);
+	arrayList_destroy(ts->sub_ep_list);
+	hashMap_destroy(ts->servicesMap,false,false);
+
+	hashMap_destroy(ts->socketMap,false,false);
+	largeUdp_destroy(ts->largeUdpHandle);
+	close(ts->topicEpollFd);
+
+	celixThreadMutex_unlock(&ts->ts_lock);
+
+	celixThreadMutex_destroy(&ts->ts_lock);
+
+	free(ts);
+
+	return status;
+}
+
+celix_status_t pubsub_topicSubscriptionStart(topic_subscription_pt ts){
+	celix_status_t status = CELIX_SUCCESS;
+
+	status = serviceTracker_open(ts->tracker);
+
+	ts->running = true;
+
+	if(status==CELIX_SUCCESS){
+		status=celixThread_create(&ts->recv_thread,NULL,udp_recv_thread_func,ts);
+	}
+
+	return status;
+}
+
+celix_status_t pubsub_topicSubscriptionStop(topic_subscription_pt ts){
+	celix_status_t status = CELIX_SUCCESS;
+
+	ts->running = false;
+
+	pthread_kill(ts->recv_thread.thread,SIGUSR1);
+
+	celixThread_join(ts->recv_thread,NULL);
+
+    status = serviceTracker_close(ts->tracker);
+
+    hash_map_iterator_pt it = hashMapIterator_create(ts->socketMap);
+    while(hashMapIterator_hasNext(it)) {
+        hash_map_entry_pt entry = hashMapIterator_nextEntry(it);
+        char *url = hashMapEntry_getKey(entry);
+        pubsub_topicSubscriptionDisconnectPublisher(ts, url);
+    }
+    hashMapIterator_destroy(it);
+
+
+	return status;
+}
+
+celix_status_t pubsub_topicSubscriptionConnectPublisher(topic_subscription_pt ts, char* pubURL) {
+
+    printf("pubsub_topicSubscriptionConnectPublisher : pubURL = %s\n", pubURL);
+
+    celix_status_t status = CELIX_SUCCESS;
+    celixThreadMutex_lock(&ts->ts_lock);
+    int *recvSocket = calloc(sizeof(int), 1);
+    *recvSocket = socket(AF_INET, SOCK_DGRAM, 0);
+    if (*recvSocket < 0) {
+        perror("pubsub_topicSubscriptionCreate:socket");
+        return CELIX_SERVICE_EXCEPTION;
+    }
+
+    int reuse = 1;
+    if (setsockopt(*recvSocket, SOL_SOCKET, SO_REUSEADDR, (char*) &reuse, sizeof(reuse)) != 0) {
+        perror("setsockopt() SO_REUSEADDR");
+        return CELIX_SERVICE_EXCEPTION;
+    }
+
+    // TODO Check if there is a better way to parse the URL to IP/Portnr
+    //replace ':' by spaces
+    char *url = strdup(pubURL);
+    char *pt = url;
+    while((pt=strchr(pt, ':')) != NULL) {
+        *pt = ' ';
+    }
+    char mcIp[100];
+    unsigned short mcPort;
+    sscanf(url, "udp //%s %hu", mcIp, &mcPort);
+    free (url);
+
+    printf("pubsub_topicSubscriptionConnectPublisher : IP = %s, Port = %hu\n", mcIp, mcPort);
+
+    struct ip_mreq mc_addr;
+    mc_addr.imr_multiaddr.s_addr = inet_addr(mcIp);
+    mc_addr.imr_interface.s_addr = inet_addr(ts->ifIpAddress);
+    printf("Adding MC %s at interface %s\n", mcIp, ts->ifIpAddress);
+    if (setsockopt(*recvSocket, IPPROTO_IP, IP_ADD_MEMBERSHIP, (char*) &mc_addr, sizeof(mc_addr)) != 0) {
+        perror("setsockopt() IP_ADD_MEMBERSHIP");
+        return CELIX_SERVICE_EXCEPTION;
+    }
+
+    struct sockaddr_in mcListenAddr;
+    mcListenAddr.sin_family = AF_INET;
+    mcListenAddr.sin_addr.s_addr = INADDR_ANY;
+    mcListenAddr.sin_port = htons(mcPort);
+    if(bind(*recvSocket, (struct sockaddr*)&mcListenAddr, sizeof(mcListenAddr)) != 0) {
+        perror("bind()");
+        return CELIX_SERVICE_EXCEPTION;
+    }
+
+
+    struct epoll_event ev;
+    memset(&ev, 0, sizeof(ev));
+    ev.events = EPOLLIN;
+    ev.data.fd = *recvSocket;
+    if(epoll_ctl(ts->topicEpollFd, EPOLL_CTL_ADD, *recvSocket, &ev) == -1) {
+        perror("epoll_ctl() EPOLL_CTL_ADD");
+        return CELIX_SERVICE_EXCEPTION;
+    }
+    hashMap_put(ts->socketMap, pubURL, (void*)recvSocket);
+
+    celixThreadMutex_unlock(&ts->ts_lock);
+
+    return status;
+}
+
+celix_status_t pubsub_topicSubscriptionDisconnectPublisher(topic_subscription_pt ts, char* pubURL){
+    printf("pubsub_topicSubscriptionDisconnectPublisher : pubURL = %s\n", pubURL);
+    celix_status_t status = CELIX_SUCCESS;
+    struct epoll_event ev;
+    memset(&ev, 0, sizeof(ev));
+
+    celixThreadMutex_lock(&ts->ts_lock);
+
+    int *s = hashMap_remove(ts->socketMap, pubURL);
+    if(epoll_ctl(ts->topicEpollFd, EPOLL_CTL_DEL, *s, &ev) == -1) {
+        perror("epoll_ctl() EPOLL_CTL_DEL");
+        status = CELIX_SERVICE_EXCEPTION;
+    }
+    free(s);
+
+    celixThreadMutex_unlock(&ts->ts_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,pubsub_udp_msg_pt msg){
+
+	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,&(msg->header.type));
+		if (msgType == NULL) {
+			printf("TS: Primary message %d not supported. NOT sending any part of the whole message.\n",msg->header.type);
+		}
+		else{
+			void *msgInst = NULL;
+			char *name = pubsubSerializer_getName(msgType);
+			version_pt msgVersion = pubsubSerializer_getVersion(msgType);
+
+			bool validVersion = checkVersion(msgVersion,&msg->header);
+
+			if(validVersion){
+				int rc = pubsubSerializer_deserialize(msgType, (const void *) msg->payload, &msgInst);
+
+				if (rc != -1) {
+					bool release = true;
+					pubsub_multipart_callbacks_t mp_callbacks;
+					mp_callbacks.handle = sub;
+					mp_callbacks.localMsgTypeIdForMsgType = pubsub_localMsgTypeIdForMsgType;
+					mp_callbacks.getMultipart = NULL;
+
+					subsvc->receive(subsvc->handle, name, msg->header.type, msgInst, &mp_callbacks, &release);
+					if(release){
+						pubsubSerializer_freeMsg(msgType, msgInst);
+					}
+				}
+				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,msg->header.major,msg->header.minor);
+			}
+
+		}
+	}
+	hashMapIterator_destroy(iter);
+}
+
+static void* udp_recv_thread_func(void * arg) {
+    topic_subscription_pt sub = (topic_subscription_pt) arg;
+
+    struct epoll_event events[MAX_EPOLL_EVENTS];
+
+    while (sub->running) {
+        int nfds = epoll_wait(sub->topicEpollFd, events, MAX_EPOLL_EVENTS, RECV_THREAD_TIMEOUT * 1000);
+        int i;
+        for(i = 0; i < nfds; i++ ) {
+            unsigned int index;
+            unsigned int size;
+            if(largeUdp_dataAvailable(sub->largeUdpHandle, events[i].data.fd, &index, &size) == true) {
+                // Handle data
+                pubsub_udp_msg_pt udpMsg = NULL;
+                if(largeUdp_read(sub->largeUdpHandle, index, (void**)&udpMsg, size) != 0) {
+                	printf("TS: ERROR largeUdp_read with index %d\n", index);
+                	continue;
+                }
+
+                process_msg(sub, udpMsg);
+
+                free(udpMsg);
+            }
+        }
+    }
+
+    return NULL;
+}
+
+
+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;
+}
+

http://git-wip-us.apache.org/repos/asf/celix/blob/f9a5fb11/celix-pubsub/pubsub/pubsub_admin_zmq/CMakeLists.txt
----------------------------------------------------------------------
diff --git a/celix-pubsub/pubsub/pubsub_admin_zmq/CMakeLists.txt b/celix-pubsub/pubsub/pubsub_admin_zmq/CMakeLists.txt
new file mode 100644
index 0000000..9ca4ddc
--- /dev/null
+++ b/celix-pubsub/pubsub/pubsub_admin_zmq/CMakeLists.txt
@@ -0,0 +1,70 @@
+# 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.
+
+find_package(ZMQ REQUIRED)
+find_package(CZMQ REQUIRED)
+find_package(Jansson REQUIRED)
+
+include_directories("${ZMQ_INCLUDE_DIR}")
+include_directories("${CZMQ_INCLUDE_DIR}")
+include_directories("${JANSSON_INCLUDE_DIR}")
+include_directories("${PROJECT_SOURCE_DIR}/utils/public/include")
+include_directories("${PROJECT_SOURCE_DIR}/log_service/public/include")
+include_directories("${PROJECT_SOURCE_DIR}/dfi/public/include")
+include_directories("${PROJECT_SOURCE_DIR}/pubsub/pubsub_common/public/include")
+include_directories("${PROJECT_SOURCE_DIR}/pubsub/api/pubsub")
+include_directories("private/include")
+include_directories("public/include")
+if (SERIALIZER_PATH)
+	include_directories("${SERIALIZER_PATH}/include")
+endif()
+if (SERIALIZER_LIB_INCLUDE_DIR)
+	include_directories("${SERIALIZER_LIB_INCLUDE_DIR}")
+endif()
+if (SERIALIZER_LIB_DIR)
+	link_directories("${SERIALIZER_LIB_DIR}")
+endif()
+
+if (ENABLE_ZMQ_SECURITY)
+	add_definitions(-DUSE_ZMQ_SECURITY=1)
+
+	find_package(OpenSSL 1.1.0 REQUIRED)
+	include_directories("${OPENSSL_INCLUDE_DIR}")
+
+	set (ZMQ_CRYPTO_C "private/src/zmq_crypto.c")
+endif()
+
+add_bundle(org.apache.celix.pubsub_admin.PubSubAdmin
+    BUNDLE_SYMBOLICNAME "apache_celix_pubsub_admin"
+    VERSION "1.0.0"
+    SOURCES
+    	private/src/psa_activator.c
+    	private/src/pubsub_admin_impl.c
+    	private/src/topic_subscription.c
+    	private/src/topic_publication.c
+    	${ZMQ_CRYPTO_C}
+    	${PROJECT_SOURCE_DIR}/pubsub/pubsub_common/public/src/pubsub_endpoint.c
+    	${PROJECT_SOURCE_DIR}/pubsub/pubsub_common/public/src/log_helper.c
+    	${PROJECT_SOURCE_DIR}/pubsub/pubsub_common/public/src/dyn_msg_utils.c
+    	${PROJECT_SOURCE_DIR}/pubsub/pubsub_common/public/src/pubsub_utils.c
+    	${PUBSUB_SERIALIZER_SRC}
+)
+
+set_target_properties(org.apache.celix.pubsub_admin.PubSubAdmin PROPERTIES INSTALL_RPATH "$ORIGIN")
+target_link_libraries(org.apache.celix.pubsub_admin.PubSubAdmin ${CELIX_LIBRARIES} ${ZMQ_LIBRARIES} ${CZMQ_LIBRARIES} ${JANSSON_LIBRARIES} ${OPENSSL_CRYPTO_LIBRARY} ${SERIALIZER_LIBRARY})
+install_bundle(org.apache.celix.pubsub_admin.PubSubAdmin)
+

http://git-wip-us.apache.org/repos/asf/celix/blob/f9a5fb11/celix-pubsub/pubsub/pubsub_admin_zmq/private/include/pubsub_admin_impl.h
----------------------------------------------------------------------
diff --git a/celix-pubsub/pubsub/pubsub_admin_zmq/private/include/pubsub_admin_impl.h b/celix-pubsub/pubsub/pubsub_admin_zmq/private/include/pubsub_admin_impl.h
new file mode 100644
index 0000000..cc28ccc
--- /dev/null
+++ b/celix-pubsub/pubsub/pubsub_admin_zmq/private/include/pubsub_admin_impl.h
@@ -0,0 +1,86 @@
+/**
+ *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.h
+ *
+ *  \date       Dec 5, 2013
+ *  \author    	<a href="mailto:dev@celix.apache.org">Apache Celix Project Team</a>
+ *  \copyright	Apache License, Version 2.0
+ */
+
+#ifndef PUBSUB_ADMIN_IMPL_H_
+#define PUBSUB_ADMIN_IMPL_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 "pubsub_admin.h"
+#include "log_helper.h"
+
+#define PSA_ZMQ_BASE_PORT "PSA_ZMQ_BASE_PORT"
+#define PSA_ZMQ_MAX_PORT "PSA_ZMQ_MAX_PORT"
+
+#define PSA_ZMQ_DEFAULT_BASE_PORT 5501
+#define PSA_ZMQ_DEFAULT_MAX_PORT 6000
+
+struct pubsub_admin {
+
+	bundle_context_pt bundle_context;
+	log_helper_pt loghelper;
+
+	celix_thread_mutex_t localPublicationsLock;
+	hash_map_pt localPublications;//<topic(string),service_factory_pt>
+
+	celix_thread_mutex_t externalPublicationsLock;
+	hash_map_pt externalPublications;//<topic(string),List<pubsub_ep>>
+
+	celix_thread_mutex_t subscriptionsLock;
+	hash_map_pt subscriptions; //<topic(string),topic_subscription>
+
+	celix_thread_mutex_t pendingSubscriptionsLock;
+	hash_map_pt pendingSubscriptions; //<topic(string),List<pubsub_ep>>
+
+	char* ipAddress;
+
+	zactor_t* zmq_auth;
+
+    unsigned int basePort;
+    unsigned int maxPort;
+};
+
+celix_status_t pubsubAdmin_create(bundle_context_pt context, pubsub_admin_pt *admin);
+celix_status_t pubsubAdmin_destroy(pubsub_admin_pt admin);
+
+celix_status_t pubsubAdmin_addSubscription(pubsub_admin_pt admin,pubsub_endpoint_pt subEP);
+celix_status_t pubsubAdmin_removeSubscription(pubsub_admin_pt admin,pubsub_endpoint_pt subEP);
+
+celix_status_t pubsubAdmin_addPublication(pubsub_admin_pt admin,pubsub_endpoint_pt pubEP);
+celix_status_t pubsubAdmin_removePublication(pubsub_admin_pt admin,pubsub_endpoint_pt pubEP);
+
+celix_status_t pubsubAdmin_closeAllPublications(pubsub_admin_pt admin,char* scope, char* topic);
+celix_status_t pubsubAdmin_closeAllSubscriptions(pubsub_admin_pt admin,char* scope,char* topic);
+
+#endif /* PUBSUB_ADMIN_IMPL_H_ */

http://git-wip-us.apache.org/repos/asf/celix/blob/f9a5fb11/celix-pubsub/pubsub/pubsub_admin_zmq/private/include/pubsub_publish_service_private.h
----------------------------------------------------------------------
diff --git a/celix-pubsub/pubsub/pubsub_admin_zmq/private/include/pubsub_publish_service_private.h b/celix-pubsub/pubsub/pubsub_admin_zmq/private/include/pubsub_publish_service_private.h
new file mode 100644
index 0000000..1c12eb8
--- /dev/null
+++ b/celix-pubsub/pubsub/pubsub_admin_zmq/private/include/pubsub_publish_service_private.h
@@ -0,0 +1,47 @@
+/**
+ *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_publish_service_private.h
+ *
+ *  \date       Sep 24, 2015
+ *  \author    	<a href="mailto:dev@celix.apache.org">Apache Celix Project Team</a>
+ *  \copyright	Apache License, Version 2.0
+ */
+
+#ifndef PUBSUB_PUBLISH_SERVICE_PRIVATE_H_
+#define PUBSUB_PUBLISH_SERVICE_PRIVATE_H_
+
+#include "publisher.h"
+#include "pubsub_endpoint.h"
+#include "pubsub_common.h"
+
+typedef struct topic_publication *topic_publication_pt;
+
+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 pubsub_topicPublicationDestroy(topic_publication_pt pub);
+
+celix_status_t pubsub_topicPublicationAddPublisherEP(topic_publication_pt pub,pubsub_endpoint_pt ep);
+celix_status_t pubsub_topicPublicationRemovePublisherEP(topic_publication_pt pub,pubsub_endpoint_pt ep);
+
+celix_status_t pubsub_topicPublicationStart(bundle_context_pt bundle_context,topic_publication_pt pub,service_factory_pt* svcFactory);
+celix_status_t pubsub_topicPublicationStop(topic_publication_pt pub);
+
+array_list_pt pubsub_topicPublicationGetPublisherList(topic_publication_pt pub);
+
+#endif /* PUBSUB_PUBLISH_SERVICE_PRIVATE_H_ */

http://git-wip-us.apache.org/repos/asf/celix/blob/f9a5fb11/celix-pubsub/pubsub/pubsub_admin_zmq/private/include/topic_subscription.h
----------------------------------------------------------------------
diff --git a/celix-pubsub/pubsub/pubsub_admin_zmq/private/include/topic_subscription.h b/celix-pubsub/pubsub/pubsub_admin_zmq/private/include/topic_subscription.h
new file mode 100644
index 0000000..d4c65bb
--- /dev/null
+++ b/celix-pubsub/pubsub/pubsub_admin_zmq/private/include/topic_subscription.h
@@ -0,0 +1,57 @@
+/**
+ *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.h
+ *
+ *  \date       Sep 22, 2015
+ *  \author    	<a href="mailto:dev@celix.apache.org">Apache Celix Project Team</a>
+ *  \copyright	Apache License, Version 2.0
+ */
+
+#ifndef TOPIC_SUBSCRIPTION_H_
+#define TOPIC_SUBSCRIPTION_H_
+
+#include "celix_threads.h"
+#include "array_list.h"
+#include "celixbool.h"
+#include "service_tracker.h"
+
+#include "pubsub_endpoint.h"
+#include "pubsub_common.h"
+
+typedef struct topic_subscription* topic_subscription_pt;
+
+celix_status_t pubsub_topicSubscriptionCreate(bundle_context_pt bundle_context,char* scope, char* topic,topic_subscription_pt* out);
+celix_status_t pubsub_topicSubscriptionDestroy(topic_subscription_pt ts);
+celix_status_t pubsub_topicSubscriptionStart(topic_subscription_pt ts);
+celix_status_t pubsub_topicSubscriptionStop(topic_subscription_pt ts);
+
+celix_status_t pubsub_topicSubscriptionAddConnectPublisherToPendingList(topic_subscription_pt ts, char* pubURL);
+celix_status_t pubsub_topicSubscriptionAddDisconnectPublisherToPendingList(topic_subscription_pt ts, char* pubURL);
+celix_status_t pubsub_topicSubscriptionConnectPublisher(topic_subscription_pt ts, char* pubURL);
+celix_status_t pubsub_topicSubscriptionDisconnectPublisher(topic_subscription_pt ts, char* pubURL);
+
+celix_status_t pubsub_topicSubscriptionAddSubscriber(topic_subscription_pt ts, pubsub_endpoint_pt subEP);
+celix_status_t pubsub_topicSubscriptionRemoveSubscriber(topic_subscription_pt ts, pubsub_endpoint_pt subEP);
+
+celix_status_t pubsub_topicIncreaseNrSubscribers(topic_subscription_pt subscription);
+celix_status_t pubsub_topicDecreaseNrSubscribers(topic_subscription_pt subscription);
+unsigned int pubsub_topicGetNrSubscribers(topic_subscription_pt subscription);
+
+#endif /*TOPIC_SUBSCRIPTION_H_ */

http://git-wip-us.apache.org/repos/asf/celix/blob/f9a5fb11/celix-pubsub/pubsub/pubsub_admin_zmq/private/include/zmq_crypto.h
----------------------------------------------------------------------
diff --git a/celix-pubsub/pubsub/pubsub_admin_zmq/private/include/zmq_crypto.h b/celix-pubsub/pubsub/pubsub_admin_zmq/private/include/zmq_crypto.h
new file mode 100644
index 0000000..f1a990f
--- /dev/null
+++ b/celix-pubsub/pubsub/pubsub_admin_zmq/private/include/zmq_crypto.h
@@ -0,0 +1,41 @@
+/**
+ *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.h
+ *
+ *  \date       Dec 2, 2016
+ *  \author    	<a href="mailto:dev@celix.apache.org">Apache Celix Project Team</a>
+ *  \copyright	Apache License, Version 2.0
+ */
+
+#ifndef ZMQ_CRYPTO_H_
+#define ZMQ_CRYPTO_H_
+
+#include <czmq.h>
+
+#define PROPERTY_KEYS_FILE_PATH "keys.file.path"
+#define PROPERTY_KEYS_FILE_NAME "keys.file.name"
+#define DEFAULT_KEYS_FILE_PATH "/etc/"
+#define DEFAULT_KEYS_FILE_NAME "pubsub.keys"
+
+zcert_t* get_zcert_from_encoded_file(char* keysFilePath, char* keysFileName, char* file_path);
+int generate_sha256_hash(char* text, unsigned char* digest);
+int decrypt(unsigned char *ciphertext, int ciphertext_len, unsigned char *key, unsigned char *iv, unsigned char *plaintext);
+
+#endif

http://git-wip-us.apache.org/repos/asf/celix/blob/f9a5fb11/celix-pubsub/pubsub/pubsub_admin_zmq/private/src/psa_activator.c
----------------------------------------------------------------------
diff --git a/celix-pubsub/pubsub/pubsub_admin_zmq/private/src/psa_activator.c b/celix-pubsub/pubsub/pubsub_admin_zmq/private/src/psa_activator.c
new file mode 100644
index 0000000..50b28ec
--- /dev/null
+++ b/celix-pubsub/pubsub/pubsub_admin_zmq/private/src/psa_activator.c
@@ -0,0 +1,112 @@
+/**
+ *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.
+ */
+/*
+ * psa_activator.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 <stdlib.h>
+
+#include "bundle_activator.h"
+#include "service_registration.h"
+
+#include "pubsub_admin_impl.h"
+
+
+struct activator {
+	pubsub_admin_pt admin;
+	pubsub_admin_service_pt adminService;
+	service_registration_pt registration;
+};
+
+celix_status_t bundleActivator_create(bundle_context_pt context, void **userData) {
+	celix_status_t status = CELIX_SUCCESS;
+	struct activator *activator;
+
+	activator = calloc(1, sizeof(*activator));
+	if (!activator) {
+		status = CELIX_ENOMEM;
+	}
+	else{
+		*userData = activator;
+		status = pubsubAdmin_create(context, &(activator->admin));
+	}
+
+	return status;
+}
+
+celix_status_t bundleActivator_start(void * userData, bundle_context_pt context) {
+	celix_status_t status = CELIX_SUCCESS;
+	struct activator *activator = userData;
+	pubsub_admin_service_pt pubsubAdminSvc = calloc(1, sizeof(*pubsubAdminSvc));
+
+	if (!pubsubAdminSvc) {
+		status = CELIX_ENOMEM;
+	}
+	else{
+		pubsubAdminSvc->admin = activator->admin;
+
+		pubsubAdminSvc->addPublication = pubsubAdmin_addPublication;
+		pubsubAdminSvc->removePublication = pubsubAdmin_removePublication;
+
+		pubsubAdminSvc->addSubscription = pubsubAdmin_addSubscription;
+		pubsubAdminSvc->removeSubscription = pubsubAdmin_removeSubscription;
+
+		pubsubAdminSvc->closeAllPublications = pubsubAdmin_closeAllPublications;
+		pubsubAdminSvc->closeAllSubscriptions = pubsubAdmin_closeAllSubscriptions;
+
+		activator->adminService = pubsubAdminSvc;
+
+		status = bundleContext_registerService(context, PUBSUB_ADMIN_SERVICE, pubsubAdminSvc, NULL, &activator->registration);
+
+	}
+
+
+	return status;
+}
+
+celix_status_t bundleActivator_stop(void * userData, bundle_context_pt context) {
+	celix_status_t status = CELIX_SUCCESS;
+	struct activator *activator = userData;
+
+	serviceRegistration_unregister(activator->registration);
+	activator->registration = NULL;
+
+	free(activator->adminService);
+	activator->adminService = NULL;
+
+	return status;
+}
+
+celix_status_t bundleActivator_destroy(void * userData, bundle_context_pt context) {
+	celix_status_t status = CELIX_SUCCESS;
+	struct activator *activator = userData;
+
+	pubsubAdmin_destroy(activator->admin);
+	activator->admin = NULL;
+
+	free(activator);
+
+	return status;
+}
+
+


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