Пример #1
0
static void nsqd_connection_read_data(struct BufferedSocket *buffsock, void *arg)
{
    struct NSQDConnection *conn = (struct NSQDConnection *)arg;
    struct NSQMessage *msg;

    conn->current_frame_type = ntohl(*((uint32_t *)buffsock->read_buf->data));
    buffer_drain(buffsock->read_buf, 4);
    conn->current_msg_size -= 4;

    _DEBUG("%s: frame type %d, data: %.*s\n", __FUNCTION__, conn->current_frame_type,
        conn->current_msg_size, buffsock->read_buf->data);

    conn->current_data = buffsock->read_buf->data;
    switch (conn->current_frame_type) {
        case NSQ_FRAME_TYPE_RESPONSE:
            if (strncmp(conn->current_data, "_heartbeat_", 11) == 0) {
                buffer_reset(conn->command_buf);
                nsq_nop(conn->command_buf);
                buffered_socket_write_buffer(conn->bs, conn->command_buf);
            }
            break;
        case NSQ_FRAME_TYPE_MESSAGE:
            msg = nsq_decode_message(conn->current_data, conn->current_msg_size);
            if (conn->msg_callback) {
                conn->msg_callback(conn, msg, conn->arg);
            }
            break;
    }

    buffer_drain(buffsock->read_buf, conn->current_msg_size);

    buffered_socket_read_bytes(buffsock, 4, nsqd_connection_read_size, conn);
}
Пример #2
0
ccnet_packet *
ccnet_packet_io_read_packet (CcnetPacketIO* io)
{
    ccnet_packet *packet;
    int len;

    buffer_drain (io->in_buf, io->in_buf->off);

    if (readn (io->fd, io->in_buf, CCNET_PACKET_LENGTH_HEADER) <= 0)
        return NULL;

    packet = (ccnet_packet *) BUFFER_DATA(io->in_buf);
    len = ntohs (packet->header.length);
    if (len > 0) {
        if (readn (io->fd, io->in_buf, len) <= 0)
            return NULL;
    }

    /* Note: must reset packet since readn() may cause realloc of buffer */
    packet = (ccnet_packet *) BUFFER_DATA(io->in_buf);
    packet->header.length = len;
    packet->header.id = ntohl (packet->header.id);

    return packet;
}
Пример #3
0
int
buffer_write(buffer_t *rptr, int fd)
{
	int n;

	n = write(fd, rptr->rptr, rptr->off);
	if (n == -1)
		return (-1);
	if (n == 0)
		return (0);
	buffer_drain(rptr, n);

	return (n);
}
Пример #4
0
static void nsqd_connection_read_size(struct BufferedSocket *buffsock, void *arg)
{
    struct NSQDConnection *conn = (struct NSQDConnection *)arg;
    uint32_t *msg_size_be;

    _DEBUG("%s: %p\n", __FUNCTION__, arg);

    msg_size_be = (uint32_t *)buffsock->read_buf->data;
    buffer_drain(buffsock->read_buf, 4);

    // convert message length header from big-endian
    conn->current_msg_size = ntohl(*msg_size_be);

    _DEBUG("%s: msg_size = %d bytes %p\n", __FUNCTION__, conn->current_msg_size, buffsock->read_buf->data);

    buffered_socket_read_bytes(buffsock, conn->current_msg_size, nsqd_connection_read_data, conn);
}
Пример #5
0
/* return 0 on EOF, -1 on error, 1 otherwise  */
int
ccnet_packet_io_read (CcnetPacketIO *io)
{
    int n;
    ccnet_packet *packet;
    int len;
    
again:
    if ( (n = buffer_read(io->in_buf, io->fd, 1024)) < 0) {
        if (errno == EINTR)
            goto again;
        
        g_warning ("read from connfd error: %s.\n", strerror(errno));
        return -1;
    }

    if (n == 0) {
        if (io->func)
            io->func (NULL, io->user_data);
        return 0;
    }
    
    while (BUFFER_LENGTH(io->in_buf) >= CCNET_PACKET_LENGTH_HEADER)
    {
        packet = (ccnet_packet *) BUFFER_DATA(io->in_buf);
        len = ntohs (packet->header.length);

        if (BUFFER_LENGTH (io->in_buf) - CCNET_PACKET_LENGTH_HEADER < len)
            break;

        packet->header.length = len;
        packet->header.id = ntohl (packet->header.id);

        io->func (packet, io->user_data);
        buffer_drain (io->in_buf, len + CCNET_PACKET_LENGTH_HEADER);
    }

    return 1;
}
Пример #6
0
void
ccnet_packet_send (CcnetPacketIO *io)
{
    writen (io->fd, BUFFER_DATA (io->buffer), io->buffer->off);
    buffer_drain (io->buffer, io->buffer->off); 
}
Пример #7
0
int main(int sys_argc, char ** sys_argv)
{
	int result;
	char end_of_files = FALSE;
	long parr;
	char *fname;
	int libpar = 0;
	mpg123_pars *mp;
#if !defined(WIN32) && !defined(GENERIC)
	struct timeval start_time;
#endif
	aux_out = stdout; /* Need to initialize here because stdout is not a constant?! */
#if defined (WANT_WIN32_UNICODE)
	if(win32_cmdline_utf8(&argc, &argv) != 0)
	{
		error("Cannot convert command line to UTF8!");
		safe_exit(76);
	}
#else
	argv = sys_argv;
	argc = sys_argc;
#endif
#if defined (WANT_WIN32_SOCKETS)
	win32_net_init();
#endif

	/* Extract binary and path, take stuff before/after last / or \ . */
	if((prgName = strrchr(argv[0], '/')) || (prgName = strrchr(argv[0], '\\')))
	{
		/* There is some explicit path. */
		prgName[0] = 0; /* End byte for path. */
		prgName++;
		binpath = argv[0];
	}
	else
	{
		prgName = argv[0]; /* No path separators there. */
		binpath = NULL; /* No path at all. */
	}

	/* Need to initialize mpg123 lib here for default parameter values. */

	result = mpg123_init();
	if(result != MPG123_OK)
	{
		error1("Cannot initialize mpg123 library: %s", mpg123_plain_strerror(result));
		safe_exit(77);
	}
	cleanup_mpg123 = TRUE;

	mp = mpg123_new_pars(&result); /* This may get leaked on premature exit(), which is mainly a cosmetic issue... */
	if(mp == NULL)
	{
		error1("Crap! Cannot get mpg123 parameters: %s", mpg123_plain_strerror(result));
		safe_exit(78);
	}

	/* get default values */
	mpg123_getpar(mp, MPG123_DOWN_SAMPLE, &parr, NULL);
	param.down_sample = (int) parr;
	mpg123_getpar(mp, MPG123_RVA, &param.rva, NULL);
	mpg123_getpar(mp, MPG123_DOWNSPEED, &param.halfspeed, NULL);
	mpg123_getpar(mp, MPG123_UPSPEED, &param.doublespeed, NULL);
	mpg123_getpar(mp, MPG123_OUTSCALE, &param.outscale, NULL);
	mpg123_getpar(mp, MPG123_FLAGS, &parr, NULL);
	mpg123_getpar(mp, MPG123_INDEX_SIZE, &param.index_size, NULL);
	param.flags = (int) parr;
	param.flags |= MPG123_SEEKBUFFER; /* Default on, for HTTP streams. */
	mpg123_getpar(mp, MPG123_RESYNC_LIMIT, &param.resync_limit, NULL);
	mpg123_getpar(mp, MPG123_PREFRAMES, &param.preframes, NULL);

#ifdef OS2
        _wildcard(&argc,&argv);
#endif

	while ((result = getlopt(argc, argv, opts)))
	switch (result) {
		case GLO_UNKNOWN:
			fprintf (stderr, "%s: Unknown option \"%s\".\n", 
				prgName, loptarg);
			usage(1);
		case GLO_NOARG:
			fprintf (stderr, "%s: Missing argument for option \"%s\".\n",
				prgName, loptarg);
			usage(1);
	}
	/* Do this _after_ parameter parsing. */
	check_locale(); /* Check/set locale; store if it uses UTF-8. */

	if(param.list_cpu)
	{
		const char **all_dec = mpg123_decoders();
		printf("Builtin decoders:");
		while(*all_dec != NULL){ printf(" %s", *all_dec); ++all_dec; }
		printf("\n");
		mpg123_delete_pars(mp);
		return 0;
	}
	if(param.test_cpu)
	{
		const char **all_dec = mpg123_supported_decoders();
		printf("Supported decoders:");
		while(*all_dec != NULL){ printf(" %s", *all_dec); ++all_dec; }
		printf("\n");
		mpg123_delete_pars(mp);
		return 0;
	}
	if(param.gain != -1)
	{
	    warning("The parameter -g is deprecated and may be removed in the future.");
	}

	if (loptind >= argc && !param.listname && !param.remote) usage(1);
	/* Init audio as early as possible.
	   If there is the buffer process to be spawned, it shouldn't carry the mpg123_handle with it. */
	bufferblock = mpg123_safe_buffer(); /* Can call that before mpg123_init(), it's stateless. */
	if(init_output(&ao) < 0)
	{
		error("Failed to initialize output, goodbye.");
		mpg123_delete_pars(mp);
		return 99; /* It's safe here... nothing nasty happened yet. */
	}
	have_output = TRUE;

	/* ========================================================================================================= */
	/* Enterning the leaking zone... we start messing with stuff here that should be taken care of when leaving. */
	/* Don't just exit() or return out...                                                                        */
	/* ========================================================================================================= */

	httpdata_init(&htd);

#if !defined(WIN32) && !defined(GENERIC)
	if (param.remote)
	{
		param.verbose = 0;
		param.quiet = 1;
		param.flags |= MPG123_QUIET;
	}
#endif

	/* Set the frame parameters from command line options */
	if(param.quiet) param.flags |= MPG123_QUIET;

#ifdef OPT_3DNOW
	if(dnow != 0) param.cpu = (dnow == SET_3DNOW) ? "3dnow" : "i586";
#endif
	if(param.cpu != NULL && (!strcmp(param.cpu, "auto") || !strcmp(param.cpu, ""))) param.cpu = NULL;
	if(!(  MPG123_OK == (result = mpg123_par(mp, MPG123_VERBOSE, param.verbose, 0))
	    && ++libpar
	    && MPG123_OK == (result = mpg123_par(mp, MPG123_FLAGS, param.flags, 0))
	    && ++libpar
	    && MPG123_OK == (result = mpg123_par(mp, MPG123_DOWN_SAMPLE, param.down_sample, 0))
	    && ++libpar
	    && MPG123_OK == (result = mpg123_par(mp, MPG123_RVA, param.rva, 0))
	    && ++libpar
	    && MPG123_OK == (result = mpg123_par(mp, MPG123_FORCE_RATE, param.force_rate, 0))
	    && ++libpar
	    && MPG123_OK == (result = mpg123_par(mp, MPG123_DOWNSPEED, param.halfspeed, 0))
	    && ++libpar
	    && MPG123_OK == (result = mpg123_par(mp, MPG123_UPSPEED, param.doublespeed, 0))
	    && ++libpar
	    && MPG123_OK == (result = mpg123_par(mp, MPG123_ICY_INTERVAL, 0, 0))
	    && ++libpar
	    && MPG123_OK == (result = mpg123_par(mp, MPG123_RESYNC_LIMIT, param.resync_limit, 0))
	    && ++libpar
	    && MPG123_OK == (result = mpg123_par(mp, MPG123_TIMEOUT, param.timeout, 0))
	    && ++libpar
	    && MPG123_OK == (result = mpg123_par(mp, MPG123_OUTSCALE, param.outscale, 0))
	    && ++libpar
	    && MPG123_OK == (result = mpg123_par(mp, MPG123_PREFRAMES, param.preframes, 0))
			))
	{
		error2("Cannot set library parameter %i: %s", libpar, mpg123_plain_strerror(result));
		safe_exit(45);
	}
	if (!(param.listentry < 0) && !param.quiet) print_title(stderr); /* do not pollute stdout! */

	{
		long default_index;
		mpg123_getpar(mp, MPG123_INDEX_SIZE, &default_index, NULL);
		if( param.index_size != default_index && (result = mpg123_par(mp, MPG123_INDEX_SIZE, param.index_size, 0.)) != MPG123_OK )
		error1("Setting of frame index size failed: %s", mpg123_plain_strerror(result));
	}

	if(param.force_rate && param.down_sample)
	{
		error("Down sampling and fixed rate options not allowed together!");
		safe_exit(1);
	}

	/* Now actually get an mpg123_handle. */
	mh = mpg123_parnew(mp, param.cpu, &result);
	if(mh == NULL)
	{
		error1("Crap! Cannot get a mpg123 handle: %s", mpg123_plain_strerror(result));
		safe_exit(77);
	}
	mpg123_delete_pars(mp); /* Don't need the parameters anymore ,they're in the handle now. */

	/* Prepare stream dumping, possibly replacing mpg123 reader. */
	if(dump_open(mh) != 0) safe_exit(78);

	/* Now either check caps myself or query buffer for that. */
	audio_capabilities(ao, mh);

	load_equalizer(mh);

#ifdef HAVE_SETPRIORITY
	if(param.aggressive) { /* tst */
		int mypid = getpid();
		setpriority(PRIO_PROCESS,mypid,-20);
	}
#endif

#if defined (HAVE_SCHED_SETSCHEDULER) && !defined (__CYGWIN__) && !defined (HAVE_WINDOWS_H)
/* Cygwin --realtime seems to fail when accessing network, using win32 set priority instead */
/* MinGW may have pthread installed, we prefer win32API */
	if (param.realtime) {  /* Get real-time priority */
	  struct sched_param sp;
	  fprintf(stderr,"Getting real-time priority\n");
	  memset(&sp, 0, sizeof(struct sched_param));
	  sp.sched_priority = sched_get_priority_min(SCHED_FIFO);
	  if (sched_setscheduler(0, SCHED_RR, &sp) == -1)
	    fprintf(stderr,"Can't get real-time priority\n");
	}
#endif

#ifdef HAVE_WINDOWS_H
	/* argument "3" is equivalent to realtime priority class */
	win32_set_priority( param.realtime ? 3 : param.w32_priority);
#endif

	if(!param.remote) prepare_playlist(argc, argv);

#if !defined(WIN32) && !defined(GENERIC)
	/* Remote mode is special... but normal console and terminal-controlled operation needs to catch the SIGINT.
	   For one it serves for track skip when not in terminal control mode.
	   The more important use being a graceful exit, including telling the buffer process what's going on. */
	if(!param.remote) catchsignal (SIGINT, catch_interrupt);
#endif

	if(param.remote) {
		int ret;
		ret = control_generic(mh);
		safe_exit(ret);
	}
#ifdef HAVE_TERMIOS
		debug1("param.term_ctrl: %i", param.term_ctrl);
		if(param.term_ctrl)
			term_init();
#endif
	if(APPFLAG(MPG123APP_CONTINUE)) frames_left = param.frame_number;

	while ((fname = get_next_file()))
	{
		char *dirname, *filename;
		int newdir;
		/* skip_tracks includes the previous one. */
		if(skip_tracks) --skip_tracks;
		if(skip_tracks)
		{
			debug("Skipping this track.");
			continue;
		}
		if(param.delay > 0)
		{
			/* One should enable terminal control during that sleeping phase! */
			if(param.verbose > 2) fprintf(stderr, "Note: pausing %i seconds before next track.\n", param.delay);
			output_pause(ao);
#ifdef WIN32
			Sleep(param.delay*1000);
#else
			sleep(param.delay);
#endif
			output_unpause(ao);
		}
		if(!APPFLAG(MPG123APP_CONTINUE)) frames_left = param.frame_number;

		debug1("Going to play %s", strcmp(fname, "-") ? fname : "standard input");

		if(intflag || !open_track(fname))
		{
#ifdef HAVE_TERMIOS
			/* We need the opportunity to cancel in case of --loop -1 . */
			if(param.term_ctrl) term_control(mh, ao);
#endif
			/* No wait for a second interrupt before we started playing. */
			if(intflag) break;

			continue;
		}

		if(!param.quiet) fprintf(stderr, "\n");
		if(param.index)
		{
			if(param.verbose) fprintf(stderr, "indexing...\r");
			mpg123_scan(mh);
		}
		/*
			Only trigger a seek if we do not want to start with the first frame.
			Rationale: Because of libmpg123 sample accuracy, this could cause an unnecessary backwards seek, that even may fail on non-seekable streams.
			For start frame of 0, we are already at the correct position!
		*/
		framenum = 0;
		if(param.start_frame > 0)
		framenum = mpg123_seek_frame(mh, param.start_frame, SEEK_SET);

		if(APPFLAG(MPG123APP_CONTINUE)) param.start_frame = 0;

		if(framenum < 0)
		{
			error1("Initial seek failed: %s", mpg123_strerror(mh));
			if(mpg123_errcode(mh) == MPG123_BAD_OUTFORMAT)
			{
				fprintf(stderr, "%s", "So, you have trouble getting an output format... this is the matrix of currently possible formats:\n");
				print_capabilities(ao, mh);
				fprintf(stderr, "%s", "Somehow the input data and your choices don't allow one of these.\n");
			}
			mpg123_close(mh);
			continue;
		}

		/* Prinout and xterm title need this, possibly independently. */
		newdir = split_dir_file(fname ? fname : "standard input", &dirname, &filename);

		if (!param.quiet)
		{
			if(newdir) fprintf(stderr, "Directory: %s\n", dirname);

#ifdef HAVE_TERMIOS
		/* Reminder about terminal usage. */
		if(param.term_ctrl) term_hint();
#endif


			fprintf(stderr, "Playing MPEG stream %lu of %lu: %s ...\n", (unsigned long)pl.pos, (unsigned long)pl.fill, filename);
			if(htd.icy_name.fill) fprintf(stderr, "ICY-NAME: %s\n", htd.icy_name.p);
			if(htd.icy_url.fill)  fprintf(stderr, "ICY-URL: %s\n",  htd.icy_url.p);
		}
#if !defined(GENERIC)
{
	const char *term_type;
	term_type = getenv("TERM");
	if(term_type && param.xterm_title)
	{
		if(!strncmp(term_type,"xterm",5) || !strncmp(term_type,"rxvt",4))
		fprintf(stderr, "\033]0;%s\007", filename);
		else if(!strncmp(term_type,"screen",6))
		fprintf(stderr, "\033k%s\033\\", filename);
		else if(!strncmp(term_type,"iris-ansi",9))
		fprintf(stderr, "\033P1.y %s\033\\\033P3.y%s\033\\", filename, filename);

		fflush(stderr); /* Paranoia: will the buffer buffer the escapes? */
	}
}
#endif

/* Rethink that SIGINT logic... */
#if !defined(WIN32) && !defined(GENERIC)
#ifdef HAVE_TERMIOS
		if(!param.term_ctrl)
#endif
			gettimeofday (&start_time, NULL);
#endif

		while(!intflag)
		{
			int meta;
			if(param.frame_number > -1)
			{
				debug1("frames left: %li", (long) frames_left);
				if(!frames_left)
				{
					if(APPFLAG(MPG123APP_CONTINUE)) end_of_files = TRUE;

					break;
				}
			}
			if(!play_frame()) break;
			if(!param.quiet)
			{
				meta = mpg123_meta_check(mh);
				if(meta & (MPG123_NEW_ID3|MPG123_NEW_ICY))
				{
					if(meta & MPG123_NEW_ID3) print_id3_tag(mh, param.long_id3, stderr);
					if(meta & MPG123_NEW_ICY) print_icy(mh, stderr);

					mpg123_meta_free(mh); /* Do not waste memory after delivering. */
				}
			}
			if(!fresh && param.verbose)
			{
#ifndef NOXFERMEM
				if (param.verbose > 1 || !(framenum & 0x7))
					print_stat(mh,0,xfermem_get_usedspace(buffermem)); 
#else
				if(param.verbose > 1 || !(framenum & 0x7))	print_stat(mh,0,0);
#endif
			}
#ifdef HAVE_TERMIOS
			if(!param.term_ctrl) continue;
			else term_control(mh, ao);
#endif
		}

	if(!param.smooth && param.usebuffer) buffer_drain();
	if(param.verbose) print_stat(mh,0,xfermem_get_usedspace(buffermem)); 

	if(!param.quiet)
	{
		double secs;
		long frank;
		fprintf(stderr, "\n");
		if(mpg123_getstate(mh, MPG123_FRANKENSTEIN, &frank, NULL) == MPG123_OK && frank)
		fprintf(stderr, "This was a Frankenstein track.\n");

		mpg123_position(mh, 0, 0, NULL, NULL, &secs, NULL);
		fprintf(stderr,"[%d:%02d] Decoding of %s finished.\n", (int)(secs / 60), ((int)secs) % 60, filename);
	}
	else if(param.verbose) fprintf(stderr, "\n");

	mpg123_close(mh);

	if (intflag)
	{
		if(!skip_or_die(&start_time)) break;

        intflag = FALSE;

#ifndef NOXFERMEM
        if(!param.smooth && param.usebuffer) buffer_resync();
#endif
	}

		if(end_of_files) break;
	} /* end of loop over input files */

	/* Ensure we played everything. */
	if(param.smooth && param.usebuffer)
	{
		buffer_drain();
		buffer_resync();
	}

	if(APPFLAG(MPG123APP_CONTINUE))
	{
		continue_msg("CONTINUE");
	}

	/* Free up memory used by playlist */    
	if(!param.remote) free_playlist();

	safe_exit(0); /* That closes output and restores terminal, too. */
	return 0;
}