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Blame SOURCES/httpd-2.4.6-ap-ipv6.patch

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diff --git a/support/ab.c b/support/ab.c
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index f54c402..93c9066 100644
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--- a/support/ab.c
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+++ b/support/ab.c
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@@ -344,6 +344,7 @@ apr_time_t start, lasttime, stoptime;
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 char _request[2048];
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 char *request = _request;
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 apr_size_t reqlen;
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+int requests_initialized = 0;
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 /* one global throw-away buffer to read stuff into */
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 char buffer[8192];
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@@ -1253,12 +1254,18 @@ static void start_connect(struct connection * c)
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         else {
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             set_conn_state(c, STATE_UNCONNECTED);
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             apr_socket_close(c->aprsock);
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-            err_conn++;
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-            if (bad++ > 10) {
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+            if (good == 0 && destsa->next) {
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+                destsa = destsa->next;
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+                err_conn = 0;
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+            }
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+            else if (bad++ > 10) {
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                 fprintf(stderr,
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                    "\nTest aborted after 10 failures\n\n");
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                 apr_err("apr_socket_connect()", rv);
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             }
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+            else {
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+                err_conn++;
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+            }
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             start_connect(c);
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             return;
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@@ -1339,6 +1346,7 @@ static void read_connection(struct connection * c)
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     apr_status_t status;
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     char *part;
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     char respcode[4];       /* 3 digits and null */
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+    int i;
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     r = sizeof(buffer);
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 #ifdef USE_SSL
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@@ -1362,6 +1370,13 @@ static void read_connection(struct connection * c)
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                 good++;
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                 close_connection(c);
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             }
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+            else if (scode == SSL_ERROR_SYSCALL 
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+                     && c->read == 0
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+                     && destsa->next
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+                     && c->state == STATE_CONNECTING
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+                     && good == 0) {
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+                return;
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+            }
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             else if (scode != SSL_ERROR_WANT_WRITE
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                      && scode != SSL_ERROR_WANT_READ) {
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                 /* some fatal error: */
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@@ -1387,8 +1402,8 @@ static void read_connection(struct connection * c)
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         }
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         /* catch legitimate fatal apr_socket_recv errors */
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         else if (status != APR_SUCCESS) {
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-            err_recv++;
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             if (recverrok) {
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+                err_recv++;
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                 bad++;
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                 close_connection(c);
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                 if (verbosity >= 1) {
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@@ -1396,7 +1411,12 @@ static void read_connection(struct connection * c)
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                     fprintf(stderr,"%s: %s (%d)\n", "apr_socket_recv", apr_strerror(status, buf, sizeof buf), status);
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                 }
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                 return;
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-            } else {
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+            } else if (destsa->next && c->state == STATE_CONNECTING
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+                       && c->read == 0 && good == 0) {
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+                return;
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+            }
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+            else {
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+                err_recv++;
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                 apr_err("apr_socket_recv", status);
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             }
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         }
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@@ -1523,6 +1543,16 @@ static void read_connection(struct connection * c)
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             }
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             c->bread += c->cbx - (s + l - c->cbuff) + r - tocopy;
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             totalbread += c->bread;
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+
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+            /* We have received the header, so we know this destination socket
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+             * address is working, so initialize all remaining requests. */
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+            if (!requests_initialized) {
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+                for (i = 1; i < concurrency; i++) {
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+                    con[i].socknum = i;
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+                    start_connect(&con[i]);
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+                }
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+                requests_initialized = 1;
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+            }
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         }
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     }
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     else {
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@@ -1734,11 +1764,10 @@ static void test(void)
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     apr_signal(SIGINT, output_results);
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 #endif
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-    /* initialise lots of requests */
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-    for (i = 0; i < concurrency; i++) {
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-        con[i].socknum = i;
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-        start_connect(&con[i]);
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-    }
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+    /* initialise first connection to determine destination socket address
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+     * which should be used for next connections. */
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+    con[0].socknum = 0;
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+    start_connect(&con[0]);
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     do {
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         apr_int32_t n;
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@@ -1786,14 +1815,20 @@ static void test(void)
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             if ((rtnev & APR_POLLIN) || (rtnev & APR_POLLPRI) || (rtnev & APR_POLLHUP))
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                 read_connection(c);
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             if ((rtnev & APR_POLLERR) || (rtnev & APR_POLLNVAL)) {
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-                bad++;
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-                err_except++;
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-                /* avoid apr_poll/EINPROGRESS loop on HP-UX, let recv discover ECONNREFUSED */
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-                if (c->state == STATE_CONNECTING) {
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-                    read_connection(c);
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+                if (destsa->next && c->state == STATE_CONNECTING && good == 0) {
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+                    destsa = destsa->next;
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+                    start_connect(c);
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                 }
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                 else {
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-                    start_connect(c);
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+                    bad++;
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+                    err_except++;
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+                    /* avoid apr_poll/EINPROGRESS loop on HP-UX, let recv discover ECONNREFUSED */
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+                    if (c->state == STATE_CONNECTING) {
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+                        read_connection(c);
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+                    }
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+                    else {
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+                        start_connect(c);
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+                    }
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                 }
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                 continue;
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             }