/*****************************************************************************
 *                                  _   _ ____  _
 *  Project                     ___| | | |  _ \| |
 *                             / __| | | | |_) | |
 *                            | (__| |_| |  _ <| |___
 *                             \___|\___/|_| \_\_____|
 *
 * $Id: multi-single.c,v 1.5 2004/05/24 15:16:29 bagder Exp $
 *
 * This is a very simple example using the multi interface.
 */

#include <stdio.h>
#include <string.h>

/* somewhat unix-specific */
#include <sys/time.h>
#include <unistd.h>

/* curl stuff */
#include <curl/curl.h>

/*
 * Simply download a HTTP file.
 */
int main( int argc, char **argv ) {
	CURL *http_handle;
	CURLM *multi_handle;

	int still_running; /* keep number of running handles */

	http_handle = curl_easy_init();

	/* set the options (I left out a few, you'll get the point anyway) */
	curl_easy_setopt( http_handle, CURLOPT_URL, "http://www.haxx.se/" );

	/* init a multi stack */
	multi_handle = curl_multi_init();

	/* add the individual transfers */
	curl_multi_add_handle( multi_handle, http_handle );

	/* we start some action by calling perform right away */
	while ( CURLM_CALL_MULTI_PERFORM ==
			curl_multi_perform( multi_handle, &still_running ) ) ;

	while ( still_running ) {
		struct timeval timeout;
		int rc; /* select() return code */

		fd_set fdread;
		fd_set fdwrite;
		fd_set fdexcep;
		int maxfd;

		FD_ZERO( &fdread );
		FD_ZERO( &fdwrite );
		FD_ZERO( &fdexcep );

		/* set a suitable timeout to play around with */
		timeout.tv_sec = 1;
		timeout.tv_usec = 0;

		/* get file descriptors from the transfers */
		curl_multi_fdset( multi_handle, &fdread, &fdwrite, &fdexcep, &maxfd );

		rc = select( maxfd + 1, &fdread, &fdwrite, &fdexcep, &timeout );

		switch ( rc ) {
		case - 1:
			/* select error */
			still_running = 0;
			printf( "select() returns error, this is badness\n" );
			break;
		case 0:
		default:
			/* timeout or readable/writable sockets */
			while ( CURLM_CALL_MULTI_PERFORM ==
					curl_multi_perform( multi_handle, &still_running ) ) ;
			break;
		}
	}

	curl_multi_cleanup( multi_handle );

	curl_easy_cleanup( http_handle );

	return 0;
}
