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/* $Id$ */
/***
This file is part of polypaudio.
polypaudio 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.
polypaudio 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 polypaudio; 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 <polyp/error.h>
#include <polyp/util.h>
#include <polypcore/core-util.h>
#include <polypcore/log.h>
#include <polypcore/pid.h>
int main(PA_GCC_UNUSED int argc, PA_GCC_UNUSED char*argv[]) {
pid_t pid ;
int fd = -1;
int ret = 1, i;
struct sockaddr_un sa;
char ibuf[256], obuf[256];
size_t ibuf_index, ibuf_length, obuf_index, obuf_length;
fd_set ifds, ofds;
if (pa_pid_file_check_running(&pid) < 0) {
pa_log(__FILE__": no Polypaudio daemon running");
goto fail;
}
if ((fd = socket(PF_UNIX, SOCK_STREAM, 0)) < 0) {
pa_log(__FILE__": socket(PF_UNIX, SOCK_STREAM, 0): %s", strerror(errno));
goto fail;
}
memset(&sa, 0, sizeof(sa));
sa.sun_family = AF_UNIX;
pa_runtime_path("cli", sa.sun_path, sizeof(sa.sun_path));
for (i = 0; i < 5; i++) {
int r;
if ((r = connect(fd, (struct sockaddr*) &sa, sizeof(sa))) < 0 && (errno != ECONNREFUSED && errno != ENOENT)) {
pa_log(__FILE__": connect(): %s", strerror(errno));
goto fail;
}
if (r >= 0)
break;
if (pa_pid_file_kill(SIGUSR2, NULL) < 0) {
pa_log(__FILE__": failed to kill Polypaudio daemon.");
goto fail;
}
pa_msleep(50);
}
if (i >= 5) {
pa_log(__FILE__": daemon not responding.");
goto fail;
}
ibuf_index = ibuf_length = obuf_index = obuf_length = 0;
FD_ZERO(&ifds);
FD_SET(0, &ifds);
FD_SET(fd, &ifds);
FD_ZERO(&ofds);
for (;;) {
if (select(FD_SETSIZE, &ifds, &ofds, NULL, NULL) < 0) {
pa_log(__FILE__": 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)
break;
pa_log(__FILE__": read(): %s", strerror(errno));
goto fail;
}
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)
break;
pa_log(__FILE__": read(): %s", strerror(errno));
goto fail;
}
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(__FILE__": 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(__FILE__": write(): %s", strerror(errno));
goto fail;
}
ibuf_length -= (size_t) r;
ibuf_index += obuf_index;
}
FD_ZERO(&ifds);
FD_ZERO(&ofds);
if (obuf_length <= 0)
FD_SET(fd, &ifds);
else
FD_SET(1, &ofds);
if (ibuf_length <= 0)
FD_SET(0, &ifds);
else
FD_SET(fd, &ofds);
}
ret = 0;
fail:
if (fd >= 0)
close(fd);
return ret;
}
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