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From ic...@apache.org
Subject svn commit: r1735610 - in /httpd/httpd/branches/2.4.x: ./ modules/http2/
Date Fri, 18 Mar 2016 14:48:45 GMT
Author: icing
Date: Fri Mar 18 14:48:36 2016
New Revision: 1735610

URL: http://svn.apache.org/viewvc?rev=1735610&view=rev
Log:
Merge of 1735608,1735609 from trunk:

mod_http2: stream cleanup on GOAWAY handling, PUSHes prohibited after client GOAWAY.


Modified:
    httpd/httpd/branches/2.4.x/   (props changed)
    httpd/httpd/branches/2.4.x/CHANGES
    httpd/httpd/branches/2.4.x/modules/http2/h2.h
    httpd/httpd/branches/2.4.x/modules/http2/h2_conn_io.c
    httpd/httpd/branches/2.4.x/modules/http2/h2_filter.c
    httpd/httpd/branches/2.4.x/modules/http2/h2_mplx.c
    httpd/httpd/branches/2.4.x/modules/http2/h2_mplx.h
    httpd/httpd/branches/2.4.x/modules/http2/h2_session.c
    httpd/httpd/branches/2.4.x/modules/http2/h2_session.h
    httpd/httpd/branches/2.4.x/modules/http2/h2_version.h

Propchange: httpd/httpd/branches/2.4.x/
------------------------------------------------------------------------------
--- svn:mergeinfo (original)
+++ svn:mergeinfo Fri Mar 18 14:48:36 2016
@@ -2,4 +2,4 @@
 /httpd/httpd/branches/2.4.17-protocols-http2:1701609-1705681
 /httpd/httpd/branches/revert-ap-ldap:1150158-1150173
 /httpd/httpd/branches/wombat-integration:723609-723841
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 0,1730865,1732252,1732353,1732369,1732716,1732954,1732986,1733056,1733064,1733068,1733275,1733523,1733691,1734006,1734125,1734239,1734294,1735088,1735608-1735609

Modified: httpd/httpd/branches/2.4.x/CHANGES
URL: http://svn.apache.org/viewvc/httpd/httpd/branches/2.4.x/CHANGES?rev=1735610&r1=1735609&r2=1735610&view=diff
==============================================================================
--- httpd/httpd/branches/2.4.x/CHANGES [utf-8] (original)
+++ httpd/httpd/branches/2.4.x/CHANGES [utf-8] Fri Mar 18 14:48:36 2016
@@ -1,10 +1,7 @@
                                                          -*- coding: utf-8 -*-
 
-Changes with Apache 2.4.19
-
-  *) mod_http2: slave connections are reused for several requests, improved
-     performance and better memory use. [Stefan Eissing]
-     
+  *) mod_http2: disabling PUSH when client sends GOAWAY.
+  
   *) mod_rewrite: Don't implicitly URL-escape the original query string
      when no substitution has changed it (like PR50447 but server context)
      [Evgeny Kotkov <evgeny.kotkov visualsvn.com>]

Modified: httpd/httpd/branches/2.4.x/modules/http2/h2.h
URL: http://svn.apache.org/viewvc/httpd/httpd/branches/2.4.x/modules/http2/h2.h?rev=1735610&r1=1735609&r2=1735610&view=diff
==============================================================================
--- httpd/httpd/branches/2.4.x/modules/http2/h2.h (original)
+++ httpd/httpd/branches/2.4.x/modules/http2/h2.h Fri Mar 18 14:48:36 2016
@@ -99,6 +99,16 @@ typedef enum {
     H2_SESSION_ST_REMOTE_SHUTDOWN,  /* client announced GOAWAY */
 } h2_session_state;
 
+typedef struct h2_session_props {
+    apr_uint32_t accepted_max;      /* the highest remote stream id was/will be handled */
+    apr_uint32_t completed_max;     /* the highest remote stream completed */
+    apr_uint32_t emitted_count;     /* the number of local streams sent */
+    apr_uint32_t emitted_max;       /* the highest local stream id sent */
+    apr_uint32_t error;             /* the last session error encountered */
+    unsigned int accepting : 1;     /* if the session is accepting new streams */
+} h2_session_props;
+
+
 /* h2_request is the transformer of HTTP2 streams into HTTP/1.1 internal
  * format that will be fed to various httpd input filters to finally
  * become a request_rec to be handled by soemone.

Modified: httpd/httpd/branches/2.4.x/modules/http2/h2_conn_io.c
URL: http://svn.apache.org/viewvc/httpd/httpd/branches/2.4.x/modules/http2/h2_conn_io.c?rev=1735610&r1=1735609&r2=1735610&view=diff
==============================================================================
--- httpd/httpd/branches/2.4.x/modules/http2/h2_conn_io.c (original)
+++ httpd/httpd/branches/2.4.x/modules/http2/h2_conn_io.c Fri Mar 18 14:48:36 2016
@@ -265,7 +265,7 @@ static apr_status_t h2_conn_io_flush_int
     pass_out_ctx ctx;
     apr_bucket *b;
     
-    if (io->buflen == 0 && APR_BRIGADE_EMPTY(io->output)) {
+    if (!flush && io->buflen == 0 && APR_BRIGADE_EMPTY(io->output)) {
         return APR_SUCCESS;
     }
         

Modified: httpd/httpd/branches/2.4.x/modules/http2/h2_filter.c
URL: http://svn.apache.org/viewvc/httpd/httpd/branches/2.4.x/modules/http2/h2_filter.c?rev=1735610&r1=1735609&r2=1735610&view=diff
==============================================================================
--- httpd/httpd/branches/2.4.x/modules/http2/h2_filter.c (original)
+++ httpd/httpd/branches/2.4.x/modules/http2/h2_filter.c Fri Mar 18 14:48:36 2016
@@ -218,7 +218,7 @@ static apr_status_t h2_sos_h2_status_buf
     bbout("  \"this_stream\": %d,\n", stream->id);
     bbout("  \"streams_open\": %d,\n", (int)h2_ihash_count(session->streams));
     bbout("  \"max_stream_started\": %d,\n", mplx->max_stream_started);
-    bbout("  \"requests_received\": %d,\n", session->requests_received);
+    bbout("  \"requests_received\": %d,\n", session->remote.emitted_count);
     bbout("  \"responses_submitted\": %d,\n", session->responses_submitted);
     bbout("  \"streams_reset\": %d, \n", session->streams_reset);
     bbout("  \"pushes_promised\": %d,\n", session->pushes_promised);

Modified: httpd/httpd/branches/2.4.x/modules/http2/h2_mplx.c
URL: http://svn.apache.org/viewvc/httpd/httpd/branches/2.4.x/modules/http2/h2_mplx.c?rev=1735610&r1=1735609&r2=1735610&view=diff
==============================================================================
--- httpd/httpd/branches/2.4.x/modules/http2/h2_mplx.c (original)
+++ httpd/httpd/branches/2.4.x/modules/http2/h2_mplx.c Fri Mar 18 14:48:36 2016
@@ -227,23 +227,22 @@ h2_mplx *h2_mplx_create(conn_rec *c, apr
     return m;
 }
 
-int h2_mplx_get_max_stream_started(h2_mplx *m)
+apr_uint32_t h2_mplx_shutdown(h2_mplx *m)
 {
-    int stream_id = 0;
-    int acquired;
-    
-    enter_mutex(m, &acquired);
-    stream_id = m->max_stream_started;
-    leave_mutex(m, acquired);
+    int acquired, max_stream_started = 0;
     
-    return stream_id;
+    if (enter_mutex(m, &acquired) == APR_SUCCESS) {
+        max_stream_started = m->max_stream_started;
+        /* Clear schedule queue, disabling existing streams from starting */ 
+        h2_iq_clear(m->q);
+        leave_mutex(m, acquired);
+    }
+    return max_stream_started;
 }
 
 static void workers_register(h2_mplx *m)
 {
-    /* Initially, there was ref count increase for this as well, but
-     * this is not needed, even harmful.
-     * h2_workers is only a hub for all the h2_worker instances.
+    /* h2_workers is only a hub for all the h2_worker instances.
      * At the end-of-life of this h2_mplx, we always unregister at
      * the workers. The thing to manage are all the h2_worker instances
      * out there. Those may hold a reference to this h2_mplx and we cannot
@@ -311,6 +310,10 @@ static void io_destroy(h2_mplx *m, h2_io
         }
     }
 
+    if (io->eor) {
+        apr_bucket_delete(io->eor);
+        io->eor = NULL;
+    }
     if (io->pool) {
         apr_pool_destroy(io->pool);
     }
@@ -473,7 +476,6 @@ apr_status_t h2_mplx_stream_done(h2_mplx
                           m->id, stream_id);
             io_stream_done(m, io, rst_error);
         }
-
         leave_mutex(m, acquired);
     }
     return status;
@@ -992,7 +994,6 @@ apr_status_t h2_mplx_reprioritize(h2_mpl
         }
         else {
             h2_iq_sort(m->q, cmp, ctx);
-            
             ap_log_cerror(APLOG_MARK, APLOG_TRACE1, 0, m->c,
                           "h2_mplx(%ld): reprioritize tasks", m->id);
         }

Modified: httpd/httpd/branches/2.4.x/modules/http2/h2_mplx.h
URL: http://svn.apache.org/viewvc/httpd/httpd/branches/2.4.x/modules/http2/h2_mplx.h?rev=1735610&r1=1735609&r2=1735610&view=diff
==============================================================================
--- httpd/httpd/branches/2.4.x/modules/http2/h2_mplx.h (original)
+++ httpd/httpd/branches/2.4.x/modules/http2/h2_mplx.h Fri Mar 18 14:48:36 2016
@@ -63,12 +63,12 @@ typedef void h2_mplx_consumed_cb(void *c
 
 struct h2_mplx {
     long id;
-    APR_RING_ENTRY(h2_mplx) link;
-    volatile int refs;
     conn_rec *c;
     apr_pool_t *pool;
     apr_bucket_alloc_t *bucket_alloc;
 
+    APR_RING_ENTRY(h2_mplx) link;
+
     unsigned int aborted : 1;
     unsigned int need_registration : 1;
 
@@ -146,12 +146,11 @@ struct h2_task *h2_mplx_pop_task(h2_mplx
 void h2_mplx_task_done(h2_mplx *m, struct h2_task *task, struct h2_task **ptask);
 
 /**
- * Get the highest stream identifier that has been passed on to processing.
- * Maybe 0 in case no stream has been processed yet.
- * @param m the multiplexer
- * @return highest stream identifier for which processing started
+ * Shut down the multiplexer gracefully. Will no longer schedule new streams
+ * but let the ongoing ones finish normally.
+ * @return the highest stream id being/been processed
  */
-int h2_mplx_get_max_stream_started(h2_mplx *m);
+apr_uint32_t h2_mplx_shutdown(h2_mplx *m);
 
 /*******************************************************************************
  * IO lifetime of streams.

Modified: httpd/httpd/branches/2.4.x/modules/http2/h2_session.c
URL: http://svn.apache.org/viewvc/httpd/httpd/branches/2.4.x/modules/http2/h2_session.c?rev=1735610&r1=1735609&r2=1735610&view=diff
==============================================================================
--- httpd/httpd/branches/2.4.x/modules/http2/h2_session.c (original)
+++ httpd/httpd/branches/2.4.x/modules/http2/h2_session.c Fri Mar 18 14:48:36 2016
@@ -78,6 +78,49 @@ static int is_accepting_streams(h2_sessi
 static void dispatch_event(h2_session *session, h2_session_event_t ev, 
                              int err, const char *msg);
 
+typedef struct stream_sel_ctx {
+    h2_session *session;
+    h2_stream *candidate;
+} stream_sel_ctx;
+
+static int find_cleanup_stream(void *udata, void *sdata)
+{
+    stream_sel_ctx *ctx = udata;
+    h2_stream *stream = sdata;
+    if (H2_STREAM_CLIENT_INITIATED(stream->id)) {
+        if (!ctx->session->local.accepting
+            && stream->id > ctx->session->local.accepted_max) {
+            ctx->candidate = stream;
+            return 0;
+        }
+    }
+    else {
+        if (!ctx->session->remote.accepting
+            && stream->id > ctx->session->remote.accepted_max) {
+            ctx->candidate = stream;
+            return 0;
+        }
+    }
+    return 1;
+}
+
+static void cleanup_streams(h2_session *session)
+{
+    stream_sel_ctx ctx;
+    ctx.session = session;
+    ctx.candidate = NULL;
+    while (1) {
+        h2_ihash_iter(session->streams, find_cleanup_stream, &ctx);
+        if (ctx.candidate) {
+            h2_session_stream_destroy(session, ctx.candidate);
+            ctx.candidate = NULL;
+        }
+        else {
+            break;
+        }
+    }
+}
+
 h2_stream *h2_session_open_stream(h2_session *session, int stream_id)
 {
     h2_stream * stream;
@@ -95,10 +138,18 @@ h2_stream *h2_session_open_stream(h2_ses
     stream = h2_stream_open(stream_id, stream_pool, session);
     
     h2_ihash_add(session->streams, stream);
-    if (H2_STREAM_CLIENT_INITIATED(stream_id)
-        && stream_id > session->max_stream_received) {
-        ++session->requests_received;
-        session->max_stream_received = stream->id;
+    if (H2_STREAM_CLIENT_INITIATED(stream_id)) {
+        if (stream_id > session->remote.emitted_max) {
+            ++session->remote.emitted_count;
+            session->remote.emitted_max = stream->id;
+            session->local.accepted_max = stream->id;
+        }
+    }
+    else {
+        if (stream_id > session->local.emitted_max) {
+            ++session->local.emitted_count;
+            session->remote.emitted_max = stream->id;
+        }
     }
     
     return stream;
@@ -262,8 +313,10 @@ static apr_status_t stream_release(h2_se
         ap_log_cerror(APLOG_MARK, APLOG_TRACE1, 0, session->c,
                       "h2_stream(%ld-%d): handled, closing", 
                       session->id, (int)stream->id);
-        if (stream->id > session->max_stream_handled) {
-            session->max_stream_handled = stream->id;
+        if (H2_STREAM_CLIENT_INITIATED(stream->id)) {
+            if (stream->id > session->local.completed_max) {
+                session->local.completed_max = stream->id;
+            }
         }
     }
     else {
@@ -309,7 +362,7 @@ static int on_begin_headers_cb(nghttp2_s
     else {
         s = h2_session_open_stream((h2_session *)userp, frame->hd.stream_id);
     }
-    return s? 0 : NGHTTP2_ERR_CALLBACK_FAILURE;
+    return s? 0 : NGHTTP2_ERR_START_STREAM_NOT_ALLOWED;
 }
 
 static int on_header_cb(nghttp2_session *ngh2, const nghttp2_frame *frame,
@@ -446,6 +499,8 @@ static int on_frame_recv_cb(nghttp2_sess
             }
             break;
         case NGHTTP2_GOAWAY:
+            session->remote.accepted_max = frame->goaway.last_stream_id;
+            session->remote.error = frame->goaway.error_code;
             dispatch_event(session, H2_SESSION_EV_REMOTE_GOAWAY, 0, NULL);
             break;
         default:
@@ -672,27 +727,43 @@ static void h2_session_destroy(h2_sessio
     }
 }
 
-static apr_status_t h2_session_shutdown(h2_session *session, int reason, 
+static apr_status_t h2_session_shutdown(h2_session *session, int error, 
                                         const char *msg, int force_close)
 {
     apr_status_t status = APR_SUCCESS;
-    const char *err = msg;
     
     AP_DEBUG_ASSERT(session);
-    if (!err && reason) {
-        err = nghttp2_strerror(reason);
+    if (!msg && error) {
+        msg = nghttp2_strerror(error);
+    }
+    
+    if (error || force_close) {
+        /* not a graceful shutdown, we want to leave... 
+         * Do not start further streams that are waiting to be scheduled. 
+         * Find out the max stream id that we habe been processed or
+         * are still actively working on.
+         * Remove all streams greater than this number without submitting
+         * a RST_STREAM frame, since that should be clear from the GOAWAY
+         * we send. */
+        session->local.accepted_max = h2_mplx_shutdown(session->mplx);
+        session->local.error = error;
+    }
+    else {
+        /* graceful shutdown. we will continue processing all streams
+         * we have, but no longer accept new ones. Report the max stream
+         * we have received and discard all new ones. */
     }
     nghttp2_submit_goaway(session->ngh2, NGHTTP2_FLAG_NONE, 
-                          h2_mplx_get_max_stream_started(session->mplx), 
-                          reason, (uint8_t*)err, err? strlen(err):0);
+                          session->local.accepted_max, 
+                          error, (uint8_t*)msg, msg? strlen(msg):0);
     status = nghttp2_session_send(session->ngh2);
     if (status == APR_SUCCESS) {
         status = h2_conn_io_flush(&session->io);
     }
     ap_log_cerror(APLOG_MARK, APLOG_DEBUG, 0, session->c, APLOGNO(03069)
                   "session(%ld): sent GOAWAY, err=%d, msg=%s", 
-                  session->id, reason, err? err : "");
-    dispatch_event(session, H2_SESSION_EV_LOCAL_GOAWAY, reason, err);
+                  session->id, error, msg? msg : "");
+    dispatch_event(session, H2_SESSION_EV_LOCAL_GOAWAY, error, msg);
     
     if (force_close) {
         h2_mplx_abort(session->mplx);
@@ -799,30 +870,36 @@ static h2_session *h2_session_create_int
         session->c = c;
         session->r = r;
         session->s = h2_ctx_server_get(ctx);
+        session->pool = pool;
         session->config = h2_config_sget(session->s);
+        session->workers = workers;
         
         session->state = H2_SESSION_ST_INIT;
+        session->local.accepting = 1;
+        session->remote.accepting = 1;
         
-        session->pool = pool;
         apr_pool_pre_cleanup_register(pool, session, session_pool_cleanup);
         
-        session->max_stream_count = h2_config_geti(session->config, H2_CONF_MAX_STREAMS);
-        session->max_stream_mem = h2_config_geti(session->config, H2_CONF_STREAM_MAX_MEM);
+        session->max_stream_count = h2_config_geti(session->config, 
+                                                   H2_CONF_MAX_STREAMS);
+        session->max_stream_mem = h2_config_geti(session->config, 
+                                                 H2_CONF_STREAM_MAX_MEM);
 
         status = apr_thread_cond_create(&session->iowait, session->pool);
         if (status != APR_SUCCESS) {
             return NULL;
         }
         
-        session->streams = h2_ihash_create(session->pool,offsetof(h2_stream, id));
-        session->workers = workers;
+        session->streams = h2_ihash_create(session->pool,
+                                           offsetof(h2_stream, id));
         session->mplx = h2_mplx_create(c, session->pool, session->config, 
                                        session->s->timeout, workers);
         
         h2_mplx_set_consumed_cb(session->mplx, update_window, session);
         
         /* Install the connection input filter that feeds the session */
-        session->cin = h2_filter_cin_create(session->pool, h2_session_receive, session);
+        session->cin = h2_filter_cin_create(session->pool, 
+                                            h2_session_receive, session);
         ap_add_input_filter("H2_IN", session->cin, r, c);
 
         h2_conn_io_init(&session->io, c, session->config, session->pool);
@@ -844,8 +921,8 @@ static h2_session *h2_session_create_int
             h2_session_destroy(session);
             return NULL;
         }
-        nghttp2_option_set_peer_max_concurrent_streams(options, 
-                                                       (uint32_t)session->max_stream_count);
+        nghttp2_option_set_peer_max_concurrent_streams(
+            options, (uint32_t)session->max_stream_count);
         /* We need to handle window updates ourself, otherwise we
          * get flooded by nghttp2. */
         nghttp2_option_set_no_auto_window_update(options, 1);
@@ -1073,10 +1150,7 @@ static int h2_session_resume_streams_wit
 
 h2_stream *h2_session_get_stream(h2_session *session, int stream_id)
 {
-    if (!session->last_stream || stream_id != session->last_stream->id) {
-        session->last_stream = h2_ihash_get(session->streams, stream_id);
-    }
-    return session->last_stream;
+    return h2_ihash_get(session->streams, stream_id);
 }
 
 static ssize_t stream_data_cb(nghttp2_session *ng2s,
@@ -1443,9 +1517,6 @@ apr_status_t h2_session_stream_destroy(h
         h2_mplx_stream_done(session->mplx, stream->id, stream->rst_error);
     }
     
-    if (session->last_stream == stream) {
-        session->last_stream = NULL;
-    }
     if (session->streams) {
         h2_ihash_remove(session->streams, stream->id);
     }
@@ -1463,10 +1534,11 @@ apr_status_t h2_session_stream_destroy(h
 
 int h2_session_push_enabled(h2_session *session)
 {
-    /* iff we can and they can */
-    return (h2_config_geti(session->config, H2_CONF_PUSH)
+    /* iff we can and they can and want */
+    return (session->remote.accepting /* remote GOAWAY received */
+            && h2_config_geti(session->config, H2_CONF_PUSH)
             && nghttp2_session_get_remote_settings(session->ngh2, 
-                                                   NGHTTP2_SETTINGS_ENABLE_PUSH));
+                   NGHTTP2_SETTINGS_ENABLE_PUSH));
 }
 
 static apr_status_t h2_session_send(h2_session *session)
@@ -1709,7 +1781,8 @@ static void h2_session_ev_init(h2_sessio
 
 static void h2_session_ev_local_goaway(h2_session *session, int arg, const char *msg)
 {
-    session->local_shutdown = 1;
+    session->local.accepting = 0;
+    cleanup_streams(session);
     switch (session->state) {
         case H2_SESSION_ST_LOCAL_SHUTDOWN:
             /* already did that? */
@@ -1727,6 +1800,8 @@ static void h2_session_ev_local_goaway(h
 
 static void h2_session_ev_remote_goaway(h2_session *session, int arg, const char *msg)
 {
+    session->remote.accepting = 0;
+    cleanup_streams(session);
     switch (session->state) {
         case H2_SESSION_ST_REMOTE_SHUTDOWN:
             /* already received that? */
@@ -1813,7 +1888,7 @@ static void h2_session_ev_no_io(h2_sessi
                     /* When we have no streams, no task event are possible,
                      * switch to blocking reads */
                     transit(session, "no io", H2_SESSION_ST_IDLE);
-                    session->idle_until = (session->requests_received? 
+                    session->idle_until = (session->remote.emitted_count? 
                                            session->s->keep_alive_timeout : 
                                            session->s->timeout) + now;
                     session->keep_sync_until = now + apr_time_from_sec(1);
@@ -1970,7 +2045,7 @@ static void update_child_status(h2_sessi
                      "%s, streams: %d/%d/%d/%d/%d (open/recv/resp/push/rst)", 
                      msg? msg : "-",
                      (int)h2_ihash_count(session->streams), 
-                     (int)session->requests_received,
+                     (int)session->remote.emitted_count,
                      (int)session->responses_submitted,
                      (int)session->pushes_submitted,
                      (int)session->pushes_reset + session->streams_reset);
@@ -2030,7 +2105,7 @@ apr_status_t h2_session_process(h2_sessi
                                               : SERVER_BUSY_READ), "idle");
                 /* make certain, the client receives everything before we idle */
                 if (!session->keep_sync_until 
-                    && async && no_streams && !session->r && session->requests_received) {
+                    && async && no_streams && !session->r && session->remote.emitted_count) {
                     ap_log_cerror( APLOG_MARK, APLOG_TRACE1, status, c,
                                   "h2_session(%ld): async idle, nonblock read", session->id);
                     /* We do not return to the async mpm immediately, since under
@@ -2201,8 +2276,8 @@ apr_status_t h2_session_process(h2_sessi
                 }
                 else if (status == APR_TIMEUP) {
                     /* go back to checking all inputs again */
-                    transit(session, "wait cycle", session->local_shutdown? 
-                            H2_SESSION_ST_LOCAL_SHUTDOWN : H2_SESSION_ST_BUSY);
+                    transit(session, "wait cycle", session->local.accepting? 
+                            H2_SESSION_ST_BUSY : H2_SESSION_ST_LOCAL_SHUTDOWN);
                 }
                 else {
                     ap_log_cerror(APLOG_MARK, APLOG_WARNING, status, c,
@@ -2234,6 +2309,10 @@ apr_status_t h2_session_process(h2_sessi
                  && !nghttp2_session_want_write(session->ngh2)) {
             dispatch_event(session, H2_SESSION_EV_NGH2_DONE, 0, NULL); 
         }
+        if (session->reprioritize) {
+            h2_mplx_reprioritize(session->mplx, stream_pri_cmp, session);
+            session->reprioritize = 0;
+        }
     }
     
 out:

Modified: httpd/httpd/branches/2.4.x/modules/http2/h2_session.h
URL: http://svn.apache.org/viewvc/httpd/httpd/branches/2.4.x/modules/http2/h2_session.h?rev=1735610&r1=1735609&r2=1735610&view=diff
==============================================================================
--- httpd/httpd/branches/2.4.x/modules/http2/h2_session.h (original)
+++ httpd/httpd/branches/2.4.x/modules/http2/h2_session.h Fri Mar 18 14:48:36 2016
@@ -80,18 +80,29 @@ typedef struct h2_session {
                                      * of 'h2c', NULL otherwise */
     server_rec *s;                  /* server/vhost we're starting on */
     const struct h2_config *config; /* Relevant config for this session */
-    
+    apr_pool_t *pool;               /* pool to use in session */
+    struct h2_mplx *mplx;           /* multiplexer for stream data */
+    struct h2_workers *workers;     /* for executing stream tasks */
+    struct h2_filter_cin *cin;      /* connection input filter context */
+    h2_conn_io io;                  /* io on httpd conn filters */
+    struct h2_ihash_t *streams;     /* streams handled by this session */
+    struct nghttp2_session *ngh2;   /* the nghttp2 session (internal use) */
+
     h2_session_state state;         /* state session is in */
+    
+    h2_session_props local;         /* properties of local session */
+    h2_session_props remote;        /* properites of remote session */
+    
     unsigned int reprioritize  : 1; /* scheduled streams priority changed */
     unsigned int eoc_written   : 1; /* h2 eoc bucket written */
     unsigned int flush         : 1; /* flushing output necessary */
-    unsigned int local_shutdown: 1; /* GOAWAY has been sent by us */
     apr_interval_time_t  wait_us;   /* timout during BUSY_WAIT state, micro secs */
     
+    struct h2_push_diary *push_diary; /* remember pushes, avoid duplicates */
+    
     int unsent_submits;             /* number of submitted, but not yet written responses. */
     int unsent_promises;            /* number of submitted, but not yet written push promised */
                                          
-    int requests_received;          /* number of http/2 requests received */
     int responses_submitted;        /* number of http/2 responses submitted */
     int streams_reset;              /* number of http/2 streams reset by client */
     int pushes_promised;            /* number of http/2 push promises submitted */
@@ -101,9 +112,6 @@ typedef struct h2_session {
     apr_size_t frames_received;     /* number of http/2 frames received */
     apr_size_t frames_sent;         /* number of http/2 frames sent */
     
-    int max_stream_received;        /* highest stream id created */
-    int max_stream_handled;         /* highest stream id completed */
-    
     apr_size_t max_stream_count;    /* max number of open streams */
     apr_size_t max_stream_mem;      /* max buffer memory for a single stream */
     
@@ -111,25 +119,11 @@ typedef struct h2_session {
     apr_time_t idle_until;          /* Time we shut down due to sheer boredom */
     apr_time_t keep_sync_until;     /* Time we sync wait until passing to async mpm */
     
-    apr_pool_t *pool;               /* pool to use in session handling */
     apr_bucket_brigade *bbtmp;      /* brigade for keeping temporary data */
     struct apr_thread_cond_t *iowait; /* our cond when trywaiting for data */
     
-    struct h2_filter_cin *cin;      /* connection input filter context */
-    h2_conn_io io;                  /* io on httpd conn filters */
-
-    struct h2_mplx *mplx;           /* multiplexer for stream data */
-    
-    struct h2_stream *last_stream;  /* last stream worked with */
-    struct h2_ihash_t *streams;     /* streams handled by this session */
-    
     apr_pool_t *spare;              /* spare stream pool */
     
-    struct nghttp2_session *ngh2;   /* the nghttp2 session (internal use) */
-    struct h2_workers *workers;     /* for executing stream tasks */
-    
-    struct h2_push_diary *push_diary; /* remember pushes, avoid duplicates */
-    
     char status[64];                /* status message for scoreboard */
     int last_status_code;           /* the one already reported */
     const char *last_status_msg;    /* the one already reported */

Modified: httpd/httpd/branches/2.4.x/modules/http2/h2_version.h
URL: http://svn.apache.org/viewvc/httpd/httpd/branches/2.4.x/modules/http2/h2_version.h?rev=1735610&r1=1735609&r2=1735610&view=diff
==============================================================================
--- httpd/httpd/branches/2.4.x/modules/http2/h2_version.h (original)
+++ httpd/httpd/branches/2.4.x/modules/http2/h2_version.h Fri Mar 18 14:48:36 2016
@@ -26,7 +26,7 @@
  * @macro
  * Version number of the http2 module as c string
  */
-#define MOD_HTTP2_VERSION "1.4.3"
+#define MOD_HTTP2_VERSION "1.4.4"
 
 /**
  * @macro
@@ -34,7 +34,7 @@
  * release. This is a 24 bit number with 8 bits for major number, 8 bits
  * for minor and 8 bits for patch. Version 1.2.3 becomes 0x010203.
  */
-#define MOD_HTTP2_VERSION_NUM 0x010403
+#define MOD_HTTP2_VERSION_NUM 0x010404
 
 
 #endif /* mod_h2_h2_version_h */



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