Commit ecc4940d authored by Yamada Yasuharu's avatar Yamada Yasuharu Committed by Daniel Stenberg
Browse files

curl_easy_recv/send: make them work with the multi interface

By making sure Curl_getconnectinfo() uses the correct connection cache
to find the last connection.
parent 4b02b848
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+4 −3
Original line number Diff line number Diff line
@@ -5,7 +5,7 @@
.\" *                            | (__| |_| |  _ <| |___
.\" *                             \___|\___/|_| \_\_____|
.\" *
.\" * Copyright (C) 1998 - 2014, Daniel Stenberg, <daniel@haxx.se>, et al.
.\" * Copyright (C) 1998 - 2015, Daniel Stenberg, <daniel@haxx.se>, et al.
.\" *
.\" * This software is licensed as described in the file COPYING, which
.\" * you should have received as part of this distribution. The terms
@@ -42,8 +42,9 @@ buffer. The variable \fBn\fP points to will receive the number of received
bytes.

To establish the connection, set \fBCURLOPT_CONNECT_ONLY(3)\fP option before
calling \fIcurl_easy_perform(3)\fP. Note that \fIcurl_easy_recv(3)\fP does not
work on connections that were created without this option.
calling \fIcurl_easy_perform(3)\fP or \cIcurl_multi_perform(3)\fP. Note that
\fIcurl_easy_recv(3)\fP does not work on connections that were created without
this option.

You must ensure that the socket has data to read before calling
\fIcurl_easy_recv(3)\fP, otherwise the call will return \fBCURLE_AGAIN\fP -
+4 −3
Original line number Diff line number Diff line
@@ -5,7 +5,7 @@
.\" *                            | (__| |_| |  _ <| |___
.\" *                             \___|\___/|_| \_\_____|
.\" *
.\" * Copyright (C) 1998 - 2014, Daniel Stenberg, <daniel@haxx.se>, et al.
.\" * Copyright (C) 1998 - 2015, Daniel Stenberg, <daniel@haxx.se>, et al.
.\" *
.\" * This software is licensed as described in the file COPYING, which
.\" * you should have received as part of this distribution. The terms
@@ -40,8 +40,9 @@ connection set-up.
The variable \fBn\fP points to will receive the number of sent bytes.

To establish the connection, set \fBCURLOPT_CONNECT_ONLY(3)\fP option before
calling \fIcurl_easy_perform(3)\fP. Note that \fIcurl_easy_send(3)\fP will not
work on connections that were created without this option.
calling \fIcurl_easy_perform(3)\fP or \fIcurl_multi_perform()\fP. Note that
\fIcurl_easy_send(3)\fP will not work on connections that were created without
this option.

You must ensure that the socket is writable before calling
\fIcurl_easy_send(3)\fP, otherwise the call will return \fBCURLE_AGAIN\fP -
+9 −4
Original line number Diff line number Diff line
@@ -1202,15 +1202,20 @@ curl_socket_t Curl_getconnectinfo(struct SessionHandle *data,

  DEBUGASSERT(data);

  /* this only works for an easy handle that has been used for
     curl_easy_perform()! */
  if(data->state.lastconnect && data->multi_easy) {
  /* this works for an easy handle:
   * - that has been used for curl_easy_perform()
   * - that is associated with a multi handle, and whose connection
   *   was detached with CURLOPT_CONNECT_ONLY
   */
  if(data->state.lastconnect && (data->multi_easy || data->multi)) {
    struct connectdata *c = data->state.lastconnect;
    struct connfind find;
    find.tofind = data->state.lastconnect;
    find.found = FALSE;

    Curl_conncache_foreach(data->multi_easy->conn_cache, &find, conn_is_conn);
    Curl_conncache_foreach(data->multi_easy?
                           data->multi_easy->conn_cache:
                           data->multi->conn_cache, &find, conn_is_conn);

    if(!find.found) {
      data->state.lastconnect = NULL;