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/***
This file is part of PulseAudio.
Copyright 2004-2006 Lennart Poettering
PulseAudio is free software; you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published
by the Free Software Foundation; either version 2 of the License,
or (at your option) any later version.
PulseAudio is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
General Public License for more details.
You should have received a copy of the GNU Lesser General Public License
along with PulseAudio; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
USA.
***/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <assert.h>
#include <signal.h>
#include <sys/select.h>
#include <sys/socket.h>
#include <unistd.h>
#include <errno.h>
#include <string.h>
#include <sys/un.h>
#include <locale.h>
#include <pulse/error.h>
#include <pulse/util.h>
#include <pulse/xmalloc.h>
#include <pulse/i18n.h>
#include <pulsecore/core-util.h>
#include <pulsecore/log.h>
#include <pulsecore/pid.h>
int main(int argc, char*argv[]) {
pid_t pid ;
int fd = -1;
int ret = 1, i;
struct sockaddr_un sa;
char ibuf[PIPE_BUF], obuf[PIPE_BUF];
size_t ibuf_index, ibuf_length, obuf_index, obuf_length;
char *cli;
pa_bool_t ibuf_eof, obuf_eof, ibuf_closed, obuf_closed;
setlocale(LC_ALL, "");
bindtextdomain(GETTEXT_PACKAGE, PULSE_LOCALEDIR);
if (pa_pid_file_check_running(&pid, "pulseaudio") < 0) {
pa_log("No PulseAudio daemon running, or not running as session daemon.");
goto fail;
}
if ((fd = socket(PF_UNIX, SOCK_STREAM, 0)) < 0) {
pa_log(_("socket(PF_UNIX, SOCK_STREAM, 0): %s"), strerror(errno));
goto fail;
}
memset(&sa, 0, sizeof(sa));
sa.sun_family = AF_UNIX;
if (!(cli = pa_runtime_path("cli")))
goto fail;
pa_strlcpy(sa.sun_path, cli, sizeof(sa.sun_path));
pa_xfree(cli);
for (i = 0; i < 5; i++) {
int r;
if ((r = connect(fd, (struct sockaddr*) &sa, sizeof(sa))) < 0 && (errno != ECONNREFUSED && errno != ENOENT)) {
pa_log(_("connect(): %s"), strerror(errno));
goto fail;
}
if (r >= 0)
break;
if (pa_pid_file_kill(SIGUSR2, NULL, "pulseaudio") < 0) {
pa_log(_("Failed to kill PulseAudio daemon."));
goto fail;
}
pa_msleep(300);
}
if (i >= 5) {
pa_log(_("Daemon not responding."));
goto fail;
}
ibuf_index = ibuf_length = obuf_index = obuf_length = 0;
ibuf_eof = obuf_eof = ibuf_closed = obuf_closed = FALSE;
if (argc > 1) {
for (i = 1; i < argc; i++) {
size_t k;
k = PA_MIN(sizeof(ibuf) - ibuf_length, strlen(argv[i]));
memcpy(ibuf + ibuf_length, argv[1], k);
ibuf_length += k;
if (ibuf_length < sizeof(ibuf)) {
ibuf[ibuf_length] = i < argc-1 ? ' ' : '\n';
ibuf_length++;
}
}
ibuf_eof = TRUE;
}
for (;;) {
fd_set ifds, ofds;
if (ibuf_eof &&
obuf_eof &&
ibuf_length <= 0 &&
obuf_length <= 0)
break;
FD_ZERO(&ifds);
FD_ZERO(&ofds);
if (obuf_length > 0)
FD_SET(1, &ofds);
else if (!obuf_eof)
FD_SET(fd, &ifds);
if (ibuf_length > 0)
FD_SET(fd, &ofds);
else if (!ibuf_eof)
FD_SET(0, &ifds);
if (select(FD_SETSIZE, &ifds, &ofds, NULL, NULL) < 0) {
pa_log(_("select(): %s"), strerror(errno));
goto fail;
}
if (FD_ISSET(0, &ifds)) {
ssize_t r;
assert(!ibuf_length);
if ((r = read(0, ibuf, sizeof(ibuf))) <= 0) {
if (r < 0) {
pa_log(_("read(): %s"), strerror(errno));
goto fail;
}
ibuf_eof = TRUE;
} else {
ibuf_length = (size_t) r;
ibuf_index = 0;
}
}
if (FD_ISSET(fd, &ifds)) {
ssize_t r;
assert(!obuf_length);
if ((r = read(fd, obuf, sizeof(obuf))) <= 0) {
if (r < 0) {
pa_log(_("read(): %s"), strerror(errno));
goto fail;
}
obuf_eof = TRUE;
} else {
obuf_length = (size_t) r;
obuf_index = 0;
}
}
if (FD_ISSET(1, &ofds)) {
ssize_t r;
assert(obuf_length);
if ((r = write(1, obuf + obuf_index, obuf_length)) < 0) {
pa_log(_("write(): %s"), strerror(errno));
goto fail;
}
obuf_length -= (size_t) r;
obuf_index += obuf_index;
}
if (FD_ISSET(fd, &ofds)) {
ssize_t r;
assert(ibuf_length);
if ((r = write(fd, ibuf + ibuf_index, ibuf_length)) < 0) {
pa_log(_("write(): %s"), strerror(errno));
goto fail;
}
ibuf_length -= (size_t) r;
ibuf_index += obuf_index;
}
if (ibuf_length <= 0 && ibuf_eof && !ibuf_closed) {
close(0);
shutdown(fd, SHUT_WR);
ibuf_closed = TRUE;
}
if (obuf_length <= 0 && obuf_eof && !obuf_closed) {
shutdown(fd, SHUT_RD);
close(1);
obuf_closed = TRUE;
}
}
ret = 0;
fail:
if (fd >= 0)
pa_close(fd);
return ret;
}
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