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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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25
lib/url.c
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@@ -352,6 +352,9 @@ CURLcode Curl_open(struct SessionHandle **curl)
memset(data->state.connects, 0,
sizeof(struct connectdata *)*data->state.numconnects);
/* most recent connection is not yet defined */
data->state.lastconnect = -1;
/*
* libcurl 7.10 introduced SSL verification *by default*! This needs to be
* switched off unless wanted.
@@ -432,6 +435,10 @@ CURLcode Curl_setopt(struct SessionHandle *data, CURLoption option,
are being removed! */
for(i=newconnects; i< data->state.numconnects; i++)
Curl_disconnect(data->state.connects[i]);
/* If the most recent connection is no longer valid, mark it invalid. */
if(data->state.lastconnect <= newconnects)
data->state.lastconnect = -1;
}
if(newconnects) {
newptr= (struct connectdata **)
@@ -453,8 +460,9 @@ CURLcode Curl_setopt(struct SessionHandle *data, CURLoption option,
/* zero makes NO cache at all */
if(data->state.connects)
free(data->state.connects);
data->state.connects=NULL;
data->state.numconnects=0;
data->state.connects = NULL;
data->state.numconnects = 0;
data->state.lastconnect = -1;
}
}
break;
@@ -1471,6 +1479,13 @@ CURLcode Curl_setopt(struct SessionHandle *data, CURLoption option,
data->set.ignorecl = va_arg(param, long)?TRUE:FALSE;
break;
case CURLOPT_CONNECT_ONLY:
/*
* No data transfer, set up connection and let application use the socket
*/
data->set.connect_only = va_arg(param, long)?TRUE:FALSE;
break;
default:
/* unknown tag and its companion, just ignore: */
result = CURLE_FAILED_INIT; /* correct this */
@@ -3811,10 +3826,14 @@ CURLcode Curl_done(struct connectdata **connp,
if(!result && res2)
result = res2;
}
else
else {
/* remember the most recently used connection */
data->state.lastconnect = conn->connectindex;
infof(data, "Connection #%ld to host %s left intact\n",
conn->connectindex,
conn->bits.httpproxy?conn->proxy.dispname:conn->host.dispname);
}
return result;
}