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From ic...@apache.org
Subject svn commit: r1737125 - in /httpd/httpd/trunk: ./ docs/manual/mod/ modules/http2/
Date Wed, 30 Mar 2016 15:35:58 GMT
Author: icing
Date: Wed Mar 30 15:35:58 2016
New Revision: 1737125

URL: http://svn.apache.org/viewvc?rev=1737125&view=rev
Log:
mod_http2: new vars, keepalive increase, no slave reuse when con->keepalive not set properly

Modified:
    httpd/httpd/trunk/CHANGES
    httpd/httpd/trunk/docs/manual/mod/mod_http2.xml
    httpd/httpd/trunk/modules/http2/h2.h
    httpd/httpd/trunk/modules/http2/h2_ctx.c
    httpd/httpd/trunk/modules/http2/h2_io.c
    httpd/httpd/trunk/modules/http2/h2_io.h
    httpd/httpd/trunk/modules/http2/h2_mplx.c
    httpd/httpd/trunk/modules/http2/h2_mplx.h
    httpd/httpd/trunk/modules/http2/h2_request.c
    httpd/httpd/trunk/modules/http2/h2_response.c
    httpd/httpd/trunk/modules/http2/h2_session.c
    httpd/httpd/trunk/modules/http2/h2_stream.c
    httpd/httpd/trunk/modules/http2/h2_stream.h
    httpd/httpd/trunk/modules/http2/h2_task.c
    httpd/httpd/trunk/modules/http2/h2_task_output.c
    httpd/httpd/trunk/modules/http2/h2_task_output.h
    httpd/httpd/trunk/modules/http2/mod_http2.c

Modified: httpd/httpd/trunk/CHANGES
URL: http://svn.apache.org/viewvc/httpd/httpd/trunk/CHANGES?rev=1737125&r1=1737124&r2=1737125&view=diff
==============================================================================
--- httpd/httpd/trunk/CHANGES [utf-8] (original)
+++ httpd/httpd/trunk/CHANGES [utf-8] Wed Mar 30 15:35:58 2016
@@ -1,6 +1,12 @@
                                                          -*- coding: utf-8 -*-
 Changes with Apache 2.5.0
 
+  *) mod_http2: incrementing keepalives on each request started so that logging
+     %k gives increasing numbers per master http2 connection. 
+     New documented variables in env, usable in custom log formats: H2_PUSH,
+     H2_PUSHED, H2_PUSHED_ON, H2_STREAM_ID and H2_STREAM_TAG.
+     [Stefan Eissing]
+
   *) core: Do not read .htaccess if AllowOverride and AllowOverrideList 
      are "None". PR 58528.
      [Michael Schlenker <msc contact.de, Rudiger Plum, Daniel Ruggeri]

Modified: httpd/httpd/trunk/docs/manual/mod/mod_http2.xml
URL: http://svn.apache.org/viewvc/httpd/httpd/trunk/docs/manual/mod/mod_http2.xml?rev=1737125&r1=1737124&r2=1737125&view=diff
==============================================================================
--- httpd/httpd/trunk/docs/manual/mod/mod_http2.xml (original)
+++ httpd/httpd/trunk/docs/manual/mod/mod_http2.xml Wed Mar 30 15:35:58 2016
@@ -166,7 +166,8 @@ Protocols h2 h2c http/1.1
     <section id="envvars"><title>Environment Variables</title>
         <p>
             This module can be configured to provide HTTP/2 related information
-            as additional environment variables to the SSI and CGI namespace.
+            as additional environment variables to the SSI and CGI namespace, as well
+            as in custom log configurations (see <code>%{VAR_NAME}e</code>).
         </p>
         
         <table border="1">
@@ -178,7 +179,12 @@ Protocols h2 h2c http/1.1
                 <th>Description:</th>
             </tr>
             <tr><td><code>HTTP2</code></td><td>flag</td><td>HTTP/2
is being used.</td></tr>
-            <tr><td><code>H2PUSH</code></td><td>flag</td><td>HTTP/2
Server Push is enabled for this request and also supported by the client.</td></tr>
+            <tr><td><code>H2PUSH</code></td><td>flag</td><td>HTTP/2
Server Push is enabled for this connection and also supported by the client.</td></tr>
+            <tr><td><code>H2_PUSH</code></td><td>flag</td><td>alternate
name for <code>H2PUSH</code></td></tr>
+            <tr><td><code>H2_PUSHED</code></td><td>string</td><td>empty
or <code>PUSHED</code> for a request being pushed by the server.</td></tr>
+            <tr><td><code>H2_PUSHED_ON</code></td><td>number</td><td>HTTP/2
stream number that triggered the push of this request.</td></tr>
+            <tr><td><code>H2_STREAM_ID</code></td><td>number</td><td>HTTP/2
stream number of this request.</td></tr>
+            <tr><td><code>H2_STREAM_TAG</code></td><td>string</td><td>HTTP/2
process unique stream identifier, consisting of connection id and stream id separated by <code>-</code>.</td></tr>
         </table>
     </section>
     

Modified: httpd/httpd/trunk/modules/http2/h2.h
URL: http://svn.apache.org/viewvc/httpd/httpd/trunk/modules/http2/h2.h?rev=1737125&r1=1737124&r2=1737125&view=diff
==============================================================================
--- httpd/httpd/trunk/modules/http2/h2.h (original)
+++ httpd/httpd/trunk/modules/http2/h2.h Wed Mar 30 15:35:58 2016
@@ -117,7 +117,8 @@ typedef struct h2_request h2_request;
 
 struct h2_request {
     int id;             /* stream id */
-
+    int initiated_on;   /* initiating stream id (PUSH) or 0 */
+    
     const char *method; /* pseudo header values, see ch. 8.1.2.3 */
     const char *scheme;
     const char *authority;

Modified: httpd/httpd/trunk/modules/http2/h2_ctx.c
URL: http://svn.apache.org/viewvc/httpd/httpd/trunk/modules/http2/h2_ctx.c?rev=1737125&r1=1737124&r2=1737125&view=diff
==============================================================================
--- httpd/httpd/trunk/modules/http2/h2_ctx.c (original)
+++ httpd/httpd/trunk/modules/http2/h2_ctx.c Wed Mar 30 15:35:58 2016
@@ -65,7 +65,11 @@ h2_ctx *h2_ctx_rget(const request_rec *r
 
 const char *h2_ctx_protocol_get(const conn_rec *c)
 {
-    h2_ctx *ctx = (h2_ctx*)ap_get_module_config(c->conn_config, &http2_module);
+    h2_ctx *ctx;
+    if (c->master) {
+        c = c->master;
+    }
+    ctx = (h2_ctx*)ap_get_module_config(c->conn_config, &http2_module);
     return ctx? ctx->protocol : NULL;
 }
 

Modified: httpd/httpd/trunk/modules/http2/h2_io.c
URL: http://svn.apache.org/viewvc/httpd/httpd/trunk/modules/http2/h2_io.c?rev=1737125&r1=1737124&r2=1737125&view=diff
==============================================================================
--- httpd/httpd/trunk/modules/http2/h2_io.c (original)
+++ httpd/httpd/trunk/modules/http2/h2_io.c Wed Mar 30 15:35:58 2016
@@ -108,10 +108,16 @@ void h2_io_set_response(h2_io *io, h2_re
     AP_DEBUG_ASSERT(io->pool);
     AP_DEBUG_ASSERT(response);
     AP_DEBUG_ASSERT(!io->response);
-    io->response = h2_response_clone(io->pool, response);
+    /* we used to clone the response into the io->pool. But
+     * we have much tighter control over the EOR bucket nowadays,
+     * so just use the instance given */
+    io->response = response;
     if (response->rst_error) {
         h2_io_rst(io, response->rst_error);
     }
+    else if (response->content_length == 0) {
+        io->eos_out = 1;
+    }
 }
 
 void h2_io_rst(h2_io *io, int error)
@@ -378,16 +384,8 @@ apr_status_t h2_io_out_get_brigade(h2_io
     }
 }
 
-static void process_trailers(h2_io *io, apr_table_t *trailers)
-{
-    if (trailers && io->response) {
-        h2_response_set_trailers(io->response, 
-                                 apr_table_clone(io->pool, trailers));
-    }
-}
-
 apr_status_t h2_io_out_write(h2_io *io, apr_bucket_brigade *bb, 
-                             apr_size_t maxlen, apr_table_t *trailers,
+                             apr_size_t maxlen, 
                              apr_size_t *pfile_buckets_allowed)
 {
     apr_status_t status;
@@ -415,8 +413,6 @@ apr_status_t h2_io_out_write(h2_io *io,
         }
     }     
     
-    process_trailers(io, trailers);
-    
     /* Let's move the buckets from the request processing in here, so
      * that the main thread can read them when it has time/capacity.
      *
@@ -439,13 +435,12 @@ apr_status_t h2_io_out_write(h2_io *io,
 }
 
 
-apr_status_t h2_io_out_close(h2_io *io, apr_table_t *trailers)
+apr_status_t h2_io_out_close(h2_io *io)
 {
     if (io->rst_error) {
         return APR_ECONNABORTED;
     }
     if (!io->eos_out_read) { /* EOS has not been read yet */
-        process_trailers(io, trailers);
         if (!io->eos_out) {
             check_bbout(io);
             io->eos_out = 1;

Modified: httpd/httpd/trunk/modules/http2/h2_io.h
URL: http://svn.apache.org/viewvc/httpd/httpd/trunk/modules/http2/h2_io.h?rev=1737125&r1=1737124&r2=1737125&view=diff
==============================================================================
--- httpd/httpd/trunk/modules/http2/h2_io.h (original)
+++ httpd/httpd/trunk/modules/http2/h2_io.h Wed Mar 30 15:35:58 2016
@@ -37,7 +37,7 @@ typedef struct h2_io h2_io;
 
 struct h2_io {
     int id;                          /* stream identifier */
-    apr_pool_t *pool;                /* stream pool */
+     apr_pool_t *pool;                /* stream pool */
     apr_bucket_alloc_t *bucket_alloc;
     
     const struct h2_request *request;/* request on this io */
@@ -156,14 +156,14 @@ apr_status_t h2_io_out_get_brigade(h2_io
                                    apr_off_t len);
 
 apr_status_t h2_io_out_write(h2_io *io, apr_bucket_brigade *bb, 
-                             apr_size_t maxlen, apr_table_t *trailers,
+                             apr_size_t maxlen, 
                              apr_size_t *pfile_buckets_allowed);
 
 /**
  * Closes the input. After existing data has been read, APR_EOF will
  * be returned.
  */
-apr_status_t h2_io_out_close(h2_io *io, apr_table_t *trailers);
+apr_status_t h2_io_out_close(h2_io *io);
 
 /**
  * Gives the overall length of the data that is currently queued for

Modified: httpd/httpd/trunk/modules/http2/h2_mplx.c
URL: http://svn.apache.org/viewvc/httpd/httpd/trunk/modules/http2/h2_mplx.c?rev=1737125&r1=1737124&r2=1737125&view=diff
==============================================================================
--- httpd/httpd/trunk/modules/http2/h2_mplx.c (original)
+++ httpd/httpd/trunk/modules/http2/h2_mplx.c Wed Mar 30 15:35:58 2016
@@ -306,12 +306,13 @@ static void io_destroy(h2_mplx *m, h2_io
         h2_task_destroy(io->task);
         io->task = NULL;
         
-        if (reuse_slave) {
+        if (reuse_slave && slave->keepalive == AP_CONN_KEEPALIVE) {
             apr_bucket_delete(io->eor);
             io->eor = NULL;
             APR_ARRAY_PUSH(m->spare_slaves, conn_rec*) = slave;
         }
         else {
+            slave->sbh = NULL;
             h2_slave_destroy(slave, NULL);
         }
     }
@@ -697,7 +698,6 @@ h2_stream *h2_mplx_next_submit(h2_mplx *
 static apr_status_t out_write(h2_mplx *m, h2_io *io, 
                               ap_filter_t* f, int blocking,
                               apr_bucket_brigade *bb,
-                              apr_table_t *trailers,
                               struct apr_thread_cond_t *iowait)
 {
     apr_status_t status = APR_SUCCESS;
@@ -711,7 +711,7 @@ static apr_status_t out_write(h2_mplx *m
            && !is_aborted(m, &status)) {
         
         status = h2_io_out_write(io, bb, blocking? m->stream_max_mem : INT_MAX, 
-                                 trailers, &m->tx_handles_reserved);
+                                 &m->tx_handles_reserved);
         io_out_consumed_signal(m, io);
         
         /* Wait for data to drain until there is room again or
@@ -728,7 +728,6 @@ static apr_status_t out_write(h2_mplx *m
                               m->id, io->id);
                 return APR_INCOMPLETE;
             }
-            trailers = NULL;
             if (f) {
                 ap_log_cerror(APLOG_MARK, APLOG_TRACE1, status, f->c,
                               "h2_mplx(%ld-%d): waiting for out drain", 
@@ -766,7 +765,7 @@ static apr_status_t out_open(h2_mplx *m,
             check_tx_reservation(m);
         }
         if (bb) {
-            status = out_write(m, io, f, 0, bb, response->trailers, iowait);
+            status = out_write(m, io, f, 0, bb, iowait);
             if (status == APR_INCOMPLETE) {
                 /* write will have transferred as much data as possible.
                    caller has to deal with non-empty brigade */
@@ -807,7 +806,6 @@ apr_status_t h2_mplx_out_open(h2_mplx *m
 apr_status_t h2_mplx_out_write(h2_mplx *m, int stream_id, 
                                ap_filter_t* f, int blocking,
                                apr_bucket_brigade *bb,
-                               apr_table_t *trailers,
                                struct apr_thread_cond_t *iowait)
 {
     apr_status_t status;
@@ -817,10 +815,9 @@ apr_status_t h2_mplx_out_write(h2_mplx *
     if ((status = enter_mutex(m, &acquired)) == APR_SUCCESS) {
         h2_io *io = h2_io_set_get(m->stream_ios, stream_id);
         if (io && !io->orphaned) {
-            status = out_write(m, io, f, blocking, bb, trailers, iowait);
+            status = out_write(m, io, f, blocking, bb, iowait);
             ap_log_cerror(APLOG_MARK, APLOG_TRACE2, status, m->c,
-                          "h2_mplx(%ld-%d): write with trailers=%s", 
-                          m->id, io->id, trailers? "yes" : "no");
+                          "h2_mplx(%ld-%d): write", m->id, io->id);
             H2_MPLX_IO_OUT(APLOG_TRACE2, m, io, "h2_mplx_out_write");
             
             have_out_data_for(m, stream_id);
@@ -833,7 +830,7 @@ apr_status_t h2_mplx_out_write(h2_mplx *
     return status;
 }
 
-apr_status_t h2_mplx_out_close(h2_mplx *m, int stream_id, apr_table_t *trailers)
+apr_status_t h2_mplx_out_close(h2_mplx *m, int stream_id)
 {
     apr_status_t status;
     int acquired;
@@ -855,10 +852,9 @@ apr_status_t h2_mplx_out_close(h2_mplx *
                               m->id, io->id);
             }
             ap_log_cerror(APLOG_MARK, APLOG_TRACE2, status, m->c,
-                          "h2_mplx(%ld-%d): close with eor=%s, trailers=%s", 
-                          m->id, io->id, io->eor? "yes" : "no", 
-                          trailers? "yes" : "no");
-            status = h2_io_out_close(io, trailers);
+                          "h2_mplx(%ld-%d): close with eor=%s", 
+                          m->id, io->id, io->eor? "yes" : "no");
+            status = h2_io_out_close(io);
             H2_MPLX_IO_OUT(APLOG_TRACE2, m, io, "h2_mplx_out_close");
             io_out_consumed_signal(m, io);
             
@@ -987,7 +983,8 @@ static h2_io *open_io(h2_mplx *m, int st
 }
 
 
-apr_status_t h2_mplx_process(h2_mplx *m, int stream_id, const h2_request *req, 
+apr_status_t h2_mplx_process(h2_mplx *m, int stream_id, 
+                             const h2_request *req, 
                              h2_stream_pri_cmp *cmp, void *ctx)
 {
     apr_status_t status;
@@ -1048,8 +1045,9 @@ static h2_task *pop_task(h2_mplx *m)
                 h2_slave_run_pre_connection(slave, ap_get_conn_socket(slave));
             }
             
-            ++m->c->keepalives;
+            slave->sbh = m->c->sbh;
             io->task = task = h2_task_create(m->id, io->request, slave, m);
+            m->c->keepalives++;
             apr_table_setn(slave->notes, H2_TASK_ID_NOTE, task->id);
             
             io->worker_started = 1;
@@ -1111,7 +1109,7 @@ static void task_done(h2_mplx *m, h2_tas
             /* TODO: this will keep a worker attached to this h2_mplx as
              * long as it has requests to handle. Might no be fair to
              * other mplx's. Perhaps leave after n requests? */
-            h2_mplx_out_close(m, task->stream_id, NULL);
+            h2_mplx_out_close(m, task->stream_id);
             
             if (ngn && io) {
                 apr_off_t bytes = io->output_consumed + h2_io_out_length(io);

Modified: httpd/httpd/trunk/modules/http2/h2_mplx.h
URL: http://svn.apache.org/viewvc/httpd/httpd/trunk/modules/http2/h2_mplx.h?rev=1737125&r1=1737124&r2=1737125&view=diff
==============================================================================
--- httpd/httpd/trunk/modules/http2/h2_mplx.h (original)
+++ httpd/httpd/trunk/modules/http2/h2_mplx.h Wed Mar 30 15:35:58 2016
@@ -190,7 +190,8 @@ apr_status_t h2_mplx_out_trywait(h2_mplx
  * @param cmp the stream priority compare function
  * @param ctx context data for the compare function
  */
-apr_status_t h2_mplx_process(h2_mplx *m, int stream_id, const struct h2_request *r, 
+apr_status_t h2_mplx_process(h2_mplx *m, int stream_id, 
+                             const struct h2_request *r, 
                              h2_stream_pri_cmp *cmp, void *ctx);
 
 /**
@@ -289,21 +290,18 @@ apr_status_t h2_mplx_out_open(h2_mplx *m
  * @param blocking == 0 iff call should return with APR_INCOMPLETE if
  *                 the full brigade cannot be written at once
  * @param bb the bucket brigade to append
- * @param trailers optional trailers for response, maybe NULL
  * @param iowait a conditional used for block/signalling in h2_mplx
  */
 apr_status_t h2_mplx_out_write(h2_mplx *mplx, int stream_id, 
                                ap_filter_t* filter, 
                                int blocking,
                                apr_bucket_brigade *bb,
-                               apr_table_t *trailers,
                                struct apr_thread_cond_t *iowait);
 
 /**
- * Closes the output for stream stream_id. Optionally forwards trailers
- * fromt the processed stream.  
+ * Closes the output for stream stream_id. 
  */
-apr_status_t h2_mplx_out_close(h2_mplx *m, int stream_id, apr_table_t *trailers);
+apr_status_t h2_mplx_out_close(h2_mplx *m, int stream_id);
 
 apr_status_t h2_mplx_out_rst(h2_mplx *m, int stream_id, int error);
 

Modified: httpd/httpd/trunk/modules/http2/h2_request.c
URL: http://svn.apache.org/viewvc/httpd/httpd/trunk/modules/http2/h2_request.c?rev=1737125&r1=1737124&r2=1737125&view=diff
==============================================================================
--- httpd/httpd/trunk/modules/http2/h2_request.c (original)
+++ httpd/httpd/trunk/modules/http2/h2_request.c Wed Mar 30 15:35:58 2016
@@ -342,6 +342,7 @@ apr_status_t h2_request_add_trailer(h2_r
 void h2_request_copy(apr_pool_t *p, h2_request *dst, const h2_request *src)
 {
     /* keep the dst id */
+    dst->initiated_on   = src->initiated_on;
     dst->method         = OPT_COPY(p, src->method);
     dst->scheme         = OPT_COPY(p, src->scheme);
     dst->authority      = OPT_COPY(p, src->authority);
@@ -350,9 +351,15 @@ void h2_request_copy(apr_pool_t *p, h2_r
     if (src->trailers) {
         dst->trailers   = apr_table_clone(p, src->trailers);
     }
+    else {
+        dst->trailers   = NULL;
+    }
     dst->content_length = src->content_length;
     dst->chunked        = src->chunked;
     dst->eoh            = src->eoh;
+    dst->body           = src->body;
+    dst->serialize      = src->serialize;
+    dst->push_policy    = src->push_policy;
 }
 
 h2_request *h2_request_clone(apr_pool_t *p, const h2_request *src)

Modified: httpd/httpd/trunk/modules/http2/h2_response.c
URL: http://svn.apache.org/viewvc/httpd/httpd/trunk/modules/http2/h2_response.c?rev=1737125&r1=1737124&r2=1737125&view=diff
==============================================================================
--- httpd/httpd/trunk/modules/http2/h2_response.c (original)
+++ httpd/httpd/trunk/modules/http2/h2_response.c Wed Mar 30 15:35:58 2016
@@ -70,6 +70,28 @@ static const char *get_sos_filter(apr_ta
     return notes? apr_table_get(notes, H2_RESP_SOS_NOTE) : NULL;
 }
 
+static void check_clen(h2_response *response, request_rec *r, apr_pool_t *pool)
+{
+    
+    if (r && r->header_only) {
+        response->content_length = 0;
+    }
+    else if (response->headers) {
+        const char *s = apr_table_get(response->headers, "Content-Length");
+        if (s) {
+            char *end;
+            response->content_length = apr_strtoi64(s, &end, 10);
+            if (s == end) {
+                ap_log_perror(APLOG_MARK, APLOG_WARNING, APR_EINVAL, 
+                              pool, APLOGNO(02956) 
+                              "h2_response: content-length"
+                              " value not parsed: %s", s);
+                response->content_length = -1;
+            }
+        }
+    }
+}
+
 static h2_response *h2_response_create_int(int stream_id,
                                            int rst_error,
                                            int http_status,
@@ -78,7 +100,6 @@ static h2_response *h2_response_create_i
                                            apr_pool_t *pool)
 {
     h2_response *response;
-    const char *s;
 
     if (!headers) {
         return NULL;
@@ -96,19 +117,7 @@ static h2_response *h2_response_create_i
     response->headers        = headers;
     response->sos_filter     = get_sos_filter(notes);
     
-    s = apr_table_get(headers, "Content-Length");
-    if (s) {
-        char *end;
-        
-        response->content_length = apr_strtoi64(s, &end, 10);
-        if (s == end) {
-            ap_log_perror(APLOG_MARK, APLOG_WARNING, APR_EINVAL, 
-                          pool, APLOGNO(02956) 
-                          "h2_response: content-length"
-                          " value not parsed: %s", s);
-            response->content_length = -1;
-        }
-    }
+    check_clen(response, NULL, pool);
     return response;
 }
 
@@ -138,6 +147,8 @@ h2_response *h2_response_rcreate(int str
     response->headers        = header;
     response->sos_filter     = get_sos_filter(r->notes);
 
+    check_clen(response, r, pool);
+    
     if (response->http_status == HTTP_FORBIDDEN) {
         const char *cause = apr_table_get(r->notes, "ssl-renegotiate-forbidden");
         if (cause) {

Modified: httpd/httpd/trunk/modules/http2/h2_session.c
URL: http://svn.apache.org/viewvc/httpd/httpd/trunk/modules/http2/h2_session.c?rev=1737125&r1=1737124&r2=1737125&view=diff
==============================================================================
--- httpd/httpd/trunk/modules/http2/h2_session.c (original)
+++ httpd/httpd/trunk/modules/http2/h2_session.c Wed Mar 30 15:35:58 2016
@@ -491,7 +491,7 @@ static int on_frame_recv_cb(nghttp2_sess
                           session->id, (int)frame->hd.stream_id,
                           (int)frame->rst_stream.error_code);
             stream = h2_session_get_stream(session, frame->hd.stream_id);
-            if (stream && stream->initiated_on) {
+            if (stream && stream->request && stream->request->initiated_on)
{
                 ++session->pushes_reset;
             }
             else {
@@ -1270,18 +1270,21 @@ static apr_status_t submit_response(h2_s
         rv = NGHTTP2_PROTOCOL_ERROR;
     }
     else if (response && response->headers) {
-        nghttp2_data_provider provider;
+        nghttp2_data_provider provider, *pprovider = NULL;
         h2_ngheader *ngh;
         const h2_priority *prio;
         
-        memset(&provider, 0, sizeof(provider));
-        provider.source.fd = stream->id;
-        provider.read_callback = stream_data_cb;
-        
         ap_log_cerror(APLOG_MARK, APLOG_DEBUG, 0, session->c, APLOGNO(03073)
                       "h2_stream(%ld-%d): submit response %d",
                       session->id, stream->id, response->http_status);
         
+        if (response->content_length != 0) {
+            memset(&provider, 0, sizeof(provider));
+            provider.source.fd = stream->id;
+            provider.read_callback = stream_data_cb;
+            pprovider = &provider;
+        }
+        
         /* If this stream is not a pushed one itself,
          * and HTTP/2 server push is enabled here,
          * and the response is in the range 200-299 *),
@@ -1297,7 +1300,7 @@ static apr_status_t submit_response(h2_s
          *    as the client, having this resource in its cache, might
          *    also have the pushed ones as well.
          */
-        if (!stream->initiated_on
+        if (stream->request && !stream->request->initiated_on
             && H2_HTTP_2XX(response->http_status)
             && h2_session_push_enabled(session)) {
             
@@ -1313,7 +1316,7 @@ static apr_status_t submit_response(h2_s
         ngh = h2_util_ngheader_make_res(stream->pool, response->http_status, 
                                         response->headers);
         rv = nghttp2_submit_response(session->ngh2, response->stream_id,
-                                     ngh->nv, ngh->nvlen, &provider);
+                                     ngh->nv, ngh->nvlen, pprovider);
     }
     else {
         int err = H2_STREAM_RST(stream, H2_ERR_PROTOCOL_ERROR);
@@ -1327,7 +1330,7 @@ static apr_status_t submit_response(h2_s
     }
     
     stream->submitted = 1;
-    if (stream->initiated_on) {
+    if (stream->request && stream->request->initiated_on) {
         ++session->pushes_submitted;
     }
     else {

Modified: httpd/httpd/trunk/modules/http2/h2_stream.c
URL: http://svn.apache.org/viewvc/httpd/httpd/trunk/modules/http2/h2_stream.c?rev=1737125&r1=1737124&r2=1737125&view=diff
==============================================================================
--- httpd/httpd/trunk/modules/http2/h2_stream.c (original)
+++ httpd/httpd/trunk/modules/http2/h2_stream.c Wed Mar 30 15:35:58 2016
@@ -235,7 +235,7 @@ void h2_stream_set_h2_request(h2_stream
                               const h2_request *req)
 {
     h2_request_copy(stream->pool, stream->request, req);
-    stream->initiated_on = initiated_on;
+    stream->request->initiated_on = initiated_on;
     stream->request->eoh = 0;
 }
 
@@ -476,7 +476,7 @@ const h2_priority *h2_stream_get_priorit
 {
     h2_response *response = h2_stream_get_response(stream);
     
-    if (stream->initiated_on && response) {
+    if (response && stream->request && stream->request->initiated_on)
{
         const char *ctype = apr_table_get(response->headers, "content-type");
         if (ctype) {
             /* FIXME: Not good enough, config needs to come from request->server */

Modified: httpd/httpd/trunk/modules/http2/h2_stream.h
URL: http://svn.apache.org/viewvc/httpd/httpd/trunk/modules/http2/h2_stream.h?rev=1737125&r1=1737124&r2=1737125&view=diff
==============================================================================
--- httpd/httpd/trunk/modules/http2/h2_stream.h (original)
+++ httpd/httpd/trunk/modules/http2/h2_stream.h Wed Mar 30 15:35:58 2016
@@ -43,7 +43,6 @@ typedef struct h2_stream h2_stream;
 
 struct h2_stream {
     int id;                     /* http2 stream id */
-    int initiated_on;           /* http2 stream id this was initiated on or 0 */
     h2_stream_state_t state;    /* http/2 state of this stream */
     struct h2_session *session; /* the session this stream belongs to */
     

Modified: httpd/httpd/trunk/modules/http2/h2_task.c
URL: http://svn.apache.org/viewvc/httpd/httpd/trunk/modules/http2/h2_task.c?rev=1737125&r1=1737124&r2=1737125&view=diff
==============================================================================
--- httpd/httpd/trunk/modules/http2/h2_task.c (original)
+++ httpd/httpd/trunk/modules/http2/h2_task.c Wed Mar 30 15:35:58 2016
@@ -135,7 +135,7 @@ h2_task *h2_task_create(long session_id,
         ap_log_cerror(APLOG_MARK, APLOG_ERR, APR_ENOMEM, c,
                       APLOGNO(02941) "h2_task(%ld-%d): create stream task", 
                       session_id, req->id);
-        h2_mplx_out_close(mplx, req->id, NULL);
+        h2_mplx_out_close(mplx, req->id);
         return NULL;
     }
     

Modified: httpd/httpd/trunk/modules/http2/h2_task_output.c
URL: http://svn.apache.org/viewvc/httpd/httpd/trunk/modules/http2/h2_task_output.c?rev=1737125&r1=1737124&r2=1737125&view=diff
==============================================================================
--- httpd/httpd/trunk/modules/http2/h2_task_output.c (original)
+++ httpd/httpd/trunk/modules/http2/h2_task_output.c Wed Mar 30 15:35:58 2016
@@ -45,23 +45,6 @@ h2_task_output *h2_task_output_create(h2
     return output;
 }
 
-static apr_table_t *get_trailers(h2_task_output *output)
-{
-    if (!output->trailers_passed) {
-        h2_response *response = h2_from_h1_get_response(output->from_h1);
-        if (response && response->trailers) {
-            output->trailers_passed = 1;
-            if (h2_task_logio_add_bytes_out) {
-                /* counter trailers as if we'd do a HTTP/1.1 serialization */
-                h2_task_logio_add_bytes_out(output->task->c, 
-                                            h2_util_table_bytes(response->trailers, 3)+1);
-            }
-            return response->trailers;
-        }
-    }
-    return NULL;
-}
-
 static apr_status_t open_response(h2_task_output *output, ap_filter_t *f,
                                   apr_bucket_brigade *bb, const char *caller)
 {
@@ -71,7 +54,7 @@ static apr_status_t open_response(h2_tas
         if (f) {
             /* This happens currently when ap_die(status, r) is invoked
              * by a read request filter. */
-            ap_log_cerror(APLOG_MARK, APLOG_DEBUG, 0, output->task->c, APLOGNO(03204)
+            ap_log_cerror(APLOG_MARK, APLOG_INFO, 0, output->task->c, APLOGNO(03204)
                           "h2_task_output(%s): write without response by %s "
                           "for %s %s %s",
                           output->task->id, caller, 
@@ -91,7 +74,6 @@ static apr_status_t open_response(h2_tas
         output->written = h2_util_table_bytes(response->headers, 3)+1;
         h2_task_logio_add_bytes_out(output->task->c, output->written);
     }
-    get_trailers(output);
     ap_log_cerror(APLOG_MARK, APLOG_DEBUG, 0, output->task->c, APLOGNO(03348)
                   "h2_task(%s): open response to %s %s %s",
                   output->task->id, output->task->request->method, 
@@ -113,8 +95,7 @@ static apr_status_t write_brigade_raw(h2
                   output->task->id, (long)written);
     
     status = h2_mplx_out_write(output->task->mplx, output->task->stream_id, 
-                               f, output->task->blocking, bb, 
-                               get_trailers(output), output->task->io);
+                               f, output->task->blocking, bb, output->task->io);
     if (status == APR_INCOMPLETE) {
         apr_brigade_length(bb, 0, &left);
         written -= left;

Modified: httpd/httpd/trunk/modules/http2/h2_task_output.h
URL: http://svn.apache.org/viewvc/httpd/httpd/trunk/modules/http2/h2_task_output.h?rev=1737125&r1=1737124&r2=1737125&view=diff
==============================================================================
--- httpd/httpd/trunk/modules/http2/h2_task_output.h (original)
+++ httpd/httpd/trunk/modules/http2/h2_task_output.h Wed Mar 30 15:35:58 2016
@@ -33,7 +33,6 @@ struct h2_task_output {
     struct h2_from_h1 *from_h1;
     
     unsigned int response_open : 1;
-    unsigned int trailers_passed : 1;
 
     apr_off_t written;
     apr_bucket_brigade *bb;

Modified: httpd/httpd/trunk/modules/http2/mod_http2.c
URL: http://svn.apache.org/viewvc/httpd/httpd/trunk/modules/http2/mod_http2.c?rev=1737125&r1=1737124&r2=1737125&view=diff
==============================================================================
--- httpd/httpd/trunk/modules/http2/mod_http2.c (original)
+++ httpd/httpd/trunk/modules/http2/mod_http2.c Wed Mar 30 15:35:58 2016
@@ -15,6 +15,7 @@
 
 #include <apr_optional.h>
 #include <apr_optional_hooks.h>
+#include <apr_strings.h>
 #include <apr_time.h>
 #include <apr_want.h>
 
@@ -198,36 +199,83 @@ static void h2_hooks(apr_pool_t *pool)
     ap_hook_handler(h2_filter_h2_status_handler, NULL, NULL, APR_HOOK_MIDDLE);
 }
 
-static char *value_of_HTTP2(apr_pool_t *p, server_rec *s,
-                              conn_rec *c, request_rec *r)
+static const char *val_HTTP2(apr_pool_t *p, server_rec *s,
+                             conn_rec *c, request_rec *r, h2_ctx *ctx)
 {
-    return c && http2_is_h2(c)? "on" : "off";
+    return ctx? "on" : "off";
 }
 
-static char *value_of_H2PUSH(apr_pool_t *p, server_rec *s,
-                             conn_rec *c, request_rec *r)
+static const char *val_H2_PUSH(apr_pool_t *p, server_rec *s,
+                               conn_rec *c, request_rec *r, h2_ctx *ctx)
 {
-    h2_ctx *ctx;
-    if (r) {
-        ctx = h2_ctx_rget(r);
-        if (ctx) {
+    if (ctx) {
+        if (r) {
             h2_task *task = h2_ctx_get_task(ctx);
-            return (task && task->request->push_policy != H2_PUSH_NONE)? "on"
: "off";
+            if (task && task->request->push_policy != H2_PUSH_NONE) {
+                return "on";
+            }
+        }
+        else if (c && h2_session_push_enabled(ctx->session)) {
+            return "on";
         }
-    }
-    else if (c) {
-        ctx = h2_ctx_get(c, 0);
-        return ctx && h2_session_push_enabled(ctx->session)? "on" : "off";
     }
     else if (s) {
         const h2_config *cfg = h2_config_sget(s);
-        return cfg && h2_config_geti(cfg, H2_CONF_PUSH)? "on" : "off";
+        if (cfg && h2_config_geti(cfg, H2_CONF_PUSH)) {
+            return "on";
+        }
     }
     return "off";
 }
 
-typedef char *h2_var_lookup(apr_pool_t *p, server_rec *s,
-                             conn_rec *c, request_rec *r);
+static const char *val_H2_PUSHED(apr_pool_t *p, server_rec *s,
+                                 conn_rec *c, request_rec *r, h2_ctx *ctx)
+{
+    if (ctx) {
+        h2_task *task = h2_ctx_get_task(ctx);
+        if (task && !H2_STREAM_CLIENT_INITIATED(task->stream_id)) {
+            return "PUSHED";
+        }
+    }
+    return "";
+}
+
+static const char *val_H2_PUSHED_ON(apr_pool_t *p, server_rec *s,
+                                    conn_rec *c, request_rec *r, h2_ctx *ctx)
+{
+    if (ctx) {
+        h2_task *task = h2_ctx_get_task(ctx);
+        if (task && !H2_STREAM_CLIENT_INITIATED(task->stream_id)) {
+            return apr_itoa(p, task->request->initiated_on);
+        }
+    }
+    return "";
+}
+
+static const char *val_H2_STREAM_TAG(apr_pool_t *p, server_rec *s,
+                                     conn_rec *c, request_rec *r, h2_ctx *ctx)
+{
+    if (ctx) {
+        h2_task *task = h2_ctx_get_task(ctx);
+        if (task) {
+            return task->id;
+        }
+    }
+    return "";
+}
+
+static const char *val_H2_STREAM_ID(apr_pool_t *p, server_rec *s,
+                                    conn_rec *c, request_rec *r, h2_ctx *ctx)
+{
+    const char *cp = val_H2_STREAM_TAG(p, s, c, r, ctx);
+    if (cp && (cp = ap_strchr_c(cp, '-'))) {
+        return ++cp;
+    }
+    return NULL;
+}
+
+typedef const char *h2_var_lookup(apr_pool_t *p, server_rec *s,
+                                  conn_rec *c, request_rec *r, h2_ctx *ctx);
 typedef struct h2_var_def {
     const char *name;
     h2_var_lookup *lookup;
@@ -235,8 +283,13 @@ typedef struct h2_var_def {
 } h2_var_def;
 
 static h2_var_def H2_VARS[] = {
-    { "HTTP2",     value_of_HTTP2,  1 },
-    { "H2PUSH",    value_of_H2PUSH, 1 },
+    { "HTTP2",               val_HTTP2,  1 },
+    { "H2PUSH",              val_H2_PUSH, 1 },
+    { "H2_PUSH",             val_H2_PUSH, 1 },
+    { "H2_PUSHED",           val_H2_PUSHED, 1 },
+    { "H2_PUSHED_ON",        val_H2_PUSHED_ON, 1 },
+    { "H2_STREAM_ID",        val_H2_STREAM_ID, 1 },
+    { "H2_STREAM_TAG",       val_H2_STREAM_TAG, 1 },
 };
 
 #ifndef H2_ALEN
@@ -257,7 +310,9 @@ static char *http2_var_lookup(apr_pool_t
     for (i = 0; i < H2_ALEN(H2_VARS); ++i) {
         h2_var_def *vdef = &H2_VARS[i];
         if (!strcmp(vdef->name, name)) {
-            return vdef->lookup(p, s, c, r);
+            h2_ctx *ctx = (r? h2_ctx_rget(r) : 
+                           h2_ctx_get(c->master? c->master : c, 0));
+            return (char *)vdef->lookup(p, s, c, r, ctx);
         }
     }
     return "";
@@ -273,7 +328,8 @@ static int h2_h2_fixups(request_rec *r)
             h2_var_def *vdef = &H2_VARS[i];
             if (vdef->subprocess) {
                 apr_table_setn(r->subprocess_env, vdef->name, 
-                               vdef->lookup(r->pool, r->server, r->connection,
r));
+                               vdef->lookup(r->pool, r->server, r->connection,

+                                            r, ctx));
             }
         }
     }



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