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Karl M added the CURLOPT_CONNECT_ONLY and CURLINFO_LASTSOCKET options that

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an app can use to let libcurl only connect to a remote host and then extract
the socket from libcurl. libcurl will then not attempt to do any transfer at
all after the connect is done.
This commit is contained in:
Daniel Stenberg 2006-02-11 22:35:16 +00:00
parent b0bc2f00d2
commit 87bcb6f377
13 changed files with 119 additions and 48 deletions
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75
lib/multi.c
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@ -5,7 +5,7 @@
* | (__| |_| | _ <| |___
* \___|\___/|_| \_\_____|
*
* Copyright (C) 1998 - 2005, Daniel Stenberg, <daniel@haxx.se>, et al.
* Copyright (C) 1998 - 2006, 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
@ -522,40 +522,49 @@ CURLMcode curl_multi_perform(CURLM *multi_handle, int *running_handles)
break;
case CURLM_STATE_DO:
/* Perform the protocol's DO action */
easy->result = Curl_do(&easy->easy_conn, &dophase_done);
if(CURLE_OK == easy->result) {
if(!dophase_done) {
/* DO was not completed in one function call, we must continue
DOING... */
multistate(easy, CURLM_STATE_DOING);
result = CURLM_OK;
}
/* after DO, go PERFORM... or DO_MORE */
else if(easy->easy_conn->bits.do_more) {
/* we're supposed to do more, but we need to sit down, relax
and wait a little while first */
multistate(easy, CURLM_STATE_DO_MORE);
result = CURLM_OK;
}
else {
/* we're done with the DO, now PERFORM */
easy->result = Curl_readwrite_init(easy->easy_conn);
if(CURLE_OK == easy->result) {
multistate(easy, CURLM_STATE_PERFORM);
result = CURLM_CALL_MULTI_PERFORM;
}
}
if(easy->easy_handle->set.connect_only) {
/* keep connection open for application to use the socket */
easy->easy_conn->bits.close = FALSE;
multistate(easy, CURLM_STATE_DONE);
easy->result = CURLE_OK;
result = CURLM_OK;
}
else {
/* failure detected */
Curl_posttransfer(easy->easy_handle);
Curl_done(&easy->easy_conn, easy->result);
Curl_disconnect(easy->easy_conn); /* close the connection */
easy->easy_conn = NULL; /* no more connection */
/* Perform the protocol's DO action */
easy->result = Curl_do(&easy->easy_conn, &dophase_done);
if(CURLE_OK == easy->result) {
if(!dophase_done) {
/* DO was not completed in one function call, we must continue
DOING... */
multistate(easy, CURLM_STATE_DOING);
result = CURLM_OK;
}
/* after DO, go PERFORM... or DO_MORE */
else if(easy->easy_conn->bits.do_more) {
/* we're supposed to do more, but we need to sit down, relax
and wait a little while first */
multistate(easy, CURLM_STATE_DO_MORE);
result = CURLM_OK;
}
else {
/* we're done with the DO, now PERFORM */
easy->result = Curl_readwrite_init(easy->easy_conn);
if(CURLE_OK == easy->result) {
multistate(easy, CURLM_STATE_PERFORM);
result = CURLM_CALL_MULTI_PERFORM;
}
}
}
else {
/* failure detected */
Curl_posttransfer(easy->easy_handle);
Curl_done(&easy->easy_conn, easy->result);
Curl_disconnect(easy->easy_conn); /* close the connection */
easy->easy_conn = NULL; /* no more connection */
}
}
break;