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(trunk libT) #1844: Prefer curl_multi_socket_action() to curl_multi_perform() in modern versions of libcurl

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Charles Kerr 2009-02-18 16:16:24 +00:00
parent d5411c14e8
commit 491a6ac63d
1 changed files with 20 additions and 4 deletions
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24
libtransmission/web.c
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@ -26,6 +26,13 @@
#include "utils.h"
#include "web.h"
/* Use curl_multi_socket_action() instead of curl_multi_perform()
if libcurl >= 7.18.2. See http://trac.transmissionbt.com/ticket/1844 */
#if LIBCURL_VERSION_NUM >= 0x071202
#define USE_CURL_MULTI_SOCKET_ACTION
#endif
enum
{
/* arbitrary number */
@ -336,7 +343,7 @@ web_close( tr_web * g )
and no tasks remain. callers must not reference their g pointer
after calling this function */
static void
tr_multi_perform( tr_web * g )
tr_multi_perform( tr_web * g, int fd )
{
int closed = FALSE;
CURLMcode mcode;
@ -345,11 +352,20 @@ tr_multi_perform( tr_web * g )
g->prev_running, g->still_running );
/* invoke libcurl's processing */
#ifdef USE_CURL_MULTI_SOCKET_ACTION
do {
dbgmsg( "calling curl_multi_socket_action..." );
mcode = curl_multi_socket_action( g->multi, fd, 0, &g->still_running );
fd = CURL_SOCKET_TIMEOUT;
dbgmsg( "done calling curl_multi_socket_action..." );
} while( mcode == CURLM_CALL_MULTI_SOCKET );
#else
do {
dbgmsg( "calling curl_multi_perform..." );
mcode = curl_multi_perform( g->multi, &g->still_running );
dbgmsg( "done calling curl_multi_perform..." );
} while( mcode == CURLM_CALL_MULTI_PERFORM );
#endif
tr_assert( mcode == CURLM_OK, "curl_multi_perform() failed: %d (%s)", mcode, curl_multi_strerror( mcode ) );
if( mcode != CURLM_OK )
tr_err( "%s", curl_multi_strerror( mcode ) );
@ -371,9 +387,9 @@ tr_multi_perform( tr_web * g )
/* libevent says that sock is ready to be processed, so wake up libcurl */
static void
event_cb( int fd UNUSED, short kind UNUSED, void * g )
event_cb( int fd, short kind UNUSED, void * g )
{
tr_multi_perform( g );
tr_multi_perform( g, fd );
}
/* libevent says that timer_ms have passed, so wake up libcurl */
@ -381,7 +397,7 @@ static void
timer_cb( int socket UNUSED, short action UNUSED, void * g )
{
dbgmsg( "libevent timer is done" );
tr_multi_perform( g );
tr_multi_perform( g, CURL_SOCKET_TIMEOUT );
}
/* CURLMOPT_SOCKETFUNCTION */