s_time.c

mediastreamer2是开源的网络传输媒体流的库

 */
#define START	0
#define STOP	1

static double tm_Time_F(int s)
	{
	static double ret;
#ifdef TIMES
	static struct tms tstart,tend;

	if(s == START) {
		times(&tstart);
		return(0);
	} else {
		times(&tend);
		ret=((double)(tend.tms_utime-tstart.tms_utime))/HZ;
		return((ret == 0.0)?1e-6:ret);
	}
#elif defined(OPENSSL_SYS_NETWARE)
    static clock_t tstart,tend;

    if (s == START)
    {
        tstart=clock();
        return(0);
    }
    else
    {
        tend=clock();
        ret=(double)((double)(tend)-(double)(tstart));
        return((ret < 0.001)?0.001:ret);
    }
#elif defined(OPENSSL_SYS_VXWORKS)
        {
	static unsigned long tick_start, tick_end;

	if( s == START )
		{
		tick_start = tickGet();
		return 0;
		}
	else
		{
		tick_end = tickGet();
		ret = (double)(tick_end - tick_start) / (double)sysClkRateGet();
		return((ret == 0.0)?1e-6:ret);
		}
        }
#else /* !times() */
	static struct timeb tstart,tend;
	long i;

	if(s == START) {
		ftime(&tstart);
		return(0);
	} else {
		ftime(&tend);
		i=(long)tend.millitm-(long)tstart.millitm;
		ret=((double)(tend.time-tstart.time))+((double)i)/1000.0;
		return((ret == 0.0)?1e-6:ret);
	}
#endif
}

/***********************************************************************
 * MAIN - main processing area for client
 *			real name depends on MONOLITH
 */
int MAIN(int, char **);

int MAIN(int argc, char **argv)
	{
	double totalTime = 0.0;
	int nConn = 0;
	SSL *scon=NULL;
	long finishtime=0;
	int ret=1,i;
	MS_STATIC char buf[1024*8];
	int ver;

	apps_startup();
	s_time_init();

	if (bio_err == NULL)
		bio_err=BIO_new_fp(stderr,BIO_NOCLOSE);

#if !defined(OPENSSL_NO_SSL2) && !defined(OPENSSL_NO_SSL3)
	s_time_meth=SSLv23_client_method();
#elif !defined(OPENSSL_NO_SSL3)
	s_time_meth=SSLv3_client_method();
#elif !defined(OPENSSL_NO_SSL2)
	s_time_meth=SSLv2_client_method();
#endif

	/* parse the command line arguments */
	if( parseArgs( argc, argv ) < 0 )
		goto end;

	OpenSSL_add_ssl_algorithms();
	if ((tm_ctx=SSL_CTX_new(s_time_meth)) == NULL) return(1);

	SSL_CTX_set_quiet_shutdown(tm_ctx,1);

	if (st_bugs) SSL_CTX_set_options(tm_ctx,SSL_OP_ALL);
	SSL_CTX_set_cipher_list(tm_ctx,tm_cipher);
	if(!set_cert_stuff(tm_ctx,t_cert_file,t_key_file)) 
		goto end;

	SSL_load_error_strings();

	if ((!SSL_CTX_load_verify_locations(tm_ctx,CAfile,CApath)) ||
		(!SSL_CTX_set_default_verify_paths(tm_ctx)))
		{
		/* BIO_printf(bio_err,"error setting default verify locations\n"); */
		ERR_print_errors(bio_err);
		/* goto end; */
		}

	if (tm_cipher == NULL)
		tm_cipher = getenv("SSL_CIPHER");

	if (tm_cipher == NULL ) {
		fprintf( stderr, "No CIPHER specified\n" );
	}

	if (!(perform & 1)) goto next;
	printf( "Collecting connection statistics for %d seconds\n", maxTime );

	/* Loop and time how long it takes to make connections */

	bytes_read=0;
	finishtime=(long)time(NULL)+maxTime;
	tm_Time_F(START);
	for (;;)
		{
		if (finishtime < (long)time(NULL)) break;
#ifdef WIN32_STUFF

		if( flushWinMsgs(0) == -1 )
			goto end;

		if( waitingToDie || exitNow )		/* we're dead */
			goto end;
#endif

		if( (scon = doConnection( NULL )) == NULL )
			goto end;

		if (s_www_path != NULL)
			{
			BIO_snprintf(buf,sizeof buf,"GET %s HTTP/1.0\r\n\r\n",s_www_path);
			SSL_write(scon,buf,strlen(buf));
			while ((i=SSL_read(scon,buf,sizeof(buf))) > 0)
				bytes_read+=i;
			}

#ifdef NO_SHUTDOWN
		SSL_set_shutdown(scon,SSL_SENT_SHUTDOWN|SSL_RECEIVED_SHUTDOWN);
#else
		SSL_shutdown(scon);
#endif
		SHUTDOWN2(SSL_get_fd(scon));

		nConn += 1;
		if (SSL_session_reused(scon))
			ver='r';
		else
			{
			ver=SSL_version(scon);
			if (ver == TLS1_VERSION)
				ver='t';
			else if (ver == SSL3_VERSION)
				ver='3';
			else if (ver == SSL2_VERSION)
				ver='2';
			else
				ver='*';
			}
		fputc(ver,stdout);
		fflush(stdout);

		SSL_free( scon );
		scon=NULL;
		}
	totalTime += tm_Time_F(STOP); /* Add the time for this iteration */

	i=(int)((long)time(NULL)-finishtime+maxTime);
	printf( "\n\n%d connections in %.2fs; %.2f connections/user sec, bytes read %ld\n", nConn, totalTime, ((double)nConn/totalTime),bytes_read);
	printf( "%d connections in %ld real seconds, %ld bytes read per connection\n",nConn,(long)time(NULL)-finishtime+maxTime,bytes_read/nConn);

	/* Now loop and time connections using the same session id over and over */

next:
	if (!(perform & 2)) goto end;
	printf( "\n\nNow timing with session id reuse.\n" );

	/* Get an SSL object so we can reuse the session id */
	if( (scon = doConnection( NULL )) == NULL )
		{
		fprintf( stderr, "Unable to get connection\n" );
		goto end;
		}

	if (s_www_path != NULL)
		{
		BIO_snprintf(buf,sizeof buf,"GET %s HTTP/1.0\r\n\r\n",s_www_path);
		SSL_write(scon,buf,strlen(buf));
		while (SSL_read(scon,buf,sizeof(buf)) > 0)
			;
		}
#ifdef NO_SHUTDOWN
	SSL_set_shutdown(scon,SSL_SENT_SHUTDOWN|SSL_RECEIVED_SHUTDOWN);
#else
	SSL_shutdown(scon);
#endif
	SHUTDOWN2(SSL_get_fd(scon));

	nConn = 0;
	totalTime = 0.0;

	finishtime=(long)time(NULL)+maxTime;

	printf( "starting\n" );
	bytes_read=0;
	tm_Time_F(START);
		
	for (;;)
		{
		if (finishtime < (long)time(NULL)) break;

#ifdef WIN32_STUFF
		if( flushWinMsgs(0) == -1 )
			goto end;

		if( waitingToDie || exitNow )	/* we're dead */
			goto end;
#endif

	 	if( (doConnection( scon )) == NULL )
			goto end;

		if (s_www_path)
			{
			BIO_snprintf(buf,sizeof buf,"GET %s HTTP/1.0\r\n\r\n",s_www_path);
			SSL_write(scon,buf,strlen(buf));
			while ((i=SSL_read(scon,buf,sizeof(buf))) > 0)
				bytes_read+=i;
			}

#ifdef NO_SHUTDOWN
		SSL_set_shutdown(scon,SSL_SENT_SHUTDOWN|SSL_RECEIVED_SHUTDOWN);
#else
		SSL_shutdown(scon);
#endif
		SHUTDOWN2(SSL_get_fd(scon));
	
		nConn += 1;
		if (SSL_session_reused(scon))
			ver='r';
		else
			{
			ver=SSL_version(scon);
			if (ver == TLS1_VERSION)
				ver='t';
			else if (ver == SSL3_VERSION)
				ver='3';
			else if (ver == SSL2_VERSION)
				ver='2';
			else
				ver='*';
			}
		fputc(ver,stdout);
		fflush(stdout);
		}
	totalTime += tm_Time_F(STOP); /* Add the time for this iteration*/


	printf( "\n\n%d connections in %.2fs; %.2f connections/user sec, bytes read %ld\n", nConn, totalTime, ((double)nConn/totalTime),bytes_read);
	printf( "%d connections in %ld real seconds, %ld bytes read per connection\n",nConn,(long)time(NULL)-finishtime+maxTime,bytes_read/nConn);

	ret=0;
end:
	if (scon != NULL) SSL_free(scon);

	if (tm_ctx != NULL)
		{
		SSL_CTX_free(tm_ctx);
		tm_ctx=NULL;
		}
	apps_shutdown();
	OPENSSL_EXIT(ret);
	}

/***********************************************************************
 * doConnection - make a connection
 * Args:
 *		scon	= earlier ssl connection for session id, or NULL
 * Returns:
 *		SSL *	= the connection pointer.
 */
static SSL *doConnection(SSL *scon)
	{
	BIO *conn;
	SSL *serverCon;
	int width, i;
	fd_set readfds;

	if ((conn=BIO_new(BIO_s_connect())) == NULL)
		return(NULL);

/*	BIO_set_conn_port(conn,port);*/
	BIO_set_conn_hostname(conn,host);

	if (scon == NULL)
		serverCon=SSL_new(tm_ctx);
	else
		{
		serverCon=scon;
		SSL_set_connect_state(serverCon);
		}

	SSL_set_bio(serverCon,conn,conn);

#if 0
	if( scon != NULL )
		SSL_set_session(serverCon,SSL_get_session(scon));
#endif

	/* ok, lets connect */
	for(;;) {
		i=SSL_connect(serverCon);
		if (BIO_sock_should_retry(i))
			{
			BIO_printf(bio_err,"DELAY\n");

			i=SSL_get_fd(serverCon);
			width=i+1;
			FD_ZERO(&readfds);
			FD_SET(i,&readfds);
			/* Note: under VMS with SOCKETSHR the 2nd parameter
			 * is currently of type (int *) whereas under other
			 * systems it is (void *) if you don't have a cast it
			 * will choke the compiler: if you do have a cast then
			 * you can either go for (int *) or (void *).
			 */
			select(width,(void *)&readfds,NULL,NULL,NULL);
			continue;
			}
		break;
		}
	if(i <= 0)
		{
		BIO_printf(bio_err,"ERROR\n");
		if (verify_error != X509_V_OK)
			BIO_printf(bio_err,"verify error:%s\n",
				X509_verify_cert_error_string(verify_error));
		else
			ERR_print_errors(bio_err);
		if (scon == NULL)
			SSL_free(serverCon);
		return NULL;
		}

	return serverCon;
	}