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-rw-r--r--src/utils/pacmd.c276
1 files changed, 177 insertions, 99 deletions
diff --git a/src/utils/pacmd.c b/src/utils/pacmd.c
index fe8038e0..f0779802 100644
--- a/src/utils/pacmd.c
+++ b/src/utils/pacmd.c
@@ -1,18 +1,18 @@
-/* $Id$ */
-
/***
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,
+ by the Free Software Foundation; either version 2.1 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
@@ -25,162 +25,240 @@
#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/poll.h>
+#include <pulsecore/macro.h>
#include <pulsecore/core-util.h>
#include <pulsecore/log.h>
#include <pulsecore/pid.h>
-int main(PA_GCC_UNUSED int argc, PA_GCC_UNUSED char*argv[]) {
- pid_t pid ;
+int main(int argc, char*argv[]) {
+ pid_t pid;
int fd = -1;
int ret = 1, i;
struct sockaddr_un sa;
- char ibuf[256], obuf[256];
+ char ibuf[PIPE_BUF], obuf[PIPE_BUF];
size_t ibuf_index, ibuf_length, obuf_index, obuf_length;
- fd_set ifds, ofds;
+ char *cli;
+ pa_bool_t ibuf_eof, obuf_eof, ibuf_closed, obuf_closed;
+ struct pollfd pollfd[3];
+ struct pollfd *watch_socket, *watch_stdin, *watch_stdout;
+
+ int stdin_type = 0, stdout_type = 0, fd_type = 0;
- if (pa_pid_file_check_running(&pid) < 0) {
- pa_log(__FILE__": no PulseAudio daemon running");
+ 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(__FILE__": socket(PF_UNIX, SOCK_STREAM, 0): %s", strerror(errno));
+ if ((fd = pa_socket_cloexec(PF_UNIX, SOCK_STREAM, 0)) < 0) {
+ pa_log(_("socket(PF_UNIX, SOCK_STREAM, 0): %s"), strerror(errno));
goto fail;
}
- memset(&sa, 0, sizeof(sa));
+ pa_zero(sa);
sa.sun_family = AF_UNIX;
- pa_runtime_path("cli", sa.sun_path, sizeof(sa.sun_path));
+
+ 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(__FILE__": connect(): %s", strerror(errno));
+ pa_log(_("connect(): %s"), strerror(errno));
goto fail;
}
-
+
if (r >= 0)
break;
- if (pa_pid_file_kill(SIGUSR2, NULL) < 0) {
- pa_log(__FILE__": failed to kill PulseAudio daemon.");
+ if (pa_pid_file_kill(SIGUSR2, NULL, "pulseaudio") < 0) {
+ pa_log(_("Failed to kill PulseAudio daemon."));
goto fail;
}
- pa_msleep(50);
+ pa_msleep(300);
}
if (i >= 5) {
- pa_log(__FILE__": daemon not responding.");
+ 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;
- FD_ZERO(&ifds);
- FD_SET(0, &ifds);
- FD_SET(fd, &ifds);
+ k = PA_MIN(sizeof(ibuf) - ibuf_length, strlen(argv[i]));
+ memcpy(ibuf + ibuf_length, argv[i], k);
+ ibuf_length += k;
+
+ if (ibuf_length < sizeof(ibuf)) {
+ ibuf[ibuf_length] = i < argc-1 ? ' ' : '\n';
+ ibuf_length++;
+ }
+ }
+
+ ibuf_eof = TRUE;
+ }
- FD_ZERO(&ofds);
-
for (;;) {
- if (select(FD_SETSIZE, &ifds, &ofds, NULL, NULL) < 0) {
- pa_log(__FILE__": select(): %s", strerror(errno));
- goto fail;
+ struct pollfd *p;
+
+ if (ibuf_eof &&
+ obuf_eof &&
+ ibuf_length <= 0 &&
+ obuf_length <= 0)
+ break;
+
+ if (ibuf_length <= 0 && ibuf_eof && !ibuf_closed) {
+ shutdown(fd, SHUT_WR);
+ ibuf_closed = TRUE;
}
- 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 (obuf_length <= 0 && obuf_eof && !obuf_closed) {
+ shutdown(fd, SHUT_RD);
+ obuf_closed = TRUE;
}
-
- 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;
+ pa_zero(pollfd);
+
+ p = pollfd;
+
+ if (ibuf_length > 0 || (!obuf_eof && obuf_length <= 0)) {
+ watch_socket = p++;
+ watch_socket->fd = fd;
+ watch_socket->events =
+ (ibuf_length > 0 ? POLLOUT : 0) |
+ (!obuf_eof && obuf_length <= 0 ? POLLIN : 0);
+ } else
+ watch_socket = NULL;
+
+ if (!ibuf_eof && ibuf_length <= 0) {
+ watch_stdin = p++;
+ watch_stdin->fd = STDIN_FILENO;
+ watch_stdin->events = POLLIN;
+ } else
+ watch_stdin = NULL;
+
+ if (obuf_length > 0) {
+ watch_stdout = p++;
+ watch_stdout->fd = STDOUT_FILENO;
+ watch_stdout->events = POLLOUT;
+ } else
+ watch_stdout = NULL;
+
+ if (pa_poll(pollfd, p-pollfd, -1) < 0) {
+
+ if (errno == EINTR)
+ continue;
+
+ pa_log(_("poll(): %s"), strerror(errno));
+ goto fail;
}
- 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 (watch_stdin) {
+ if (watch_stdin->revents & POLLIN) {
+ ssize_t r;
+ pa_assert(ibuf_length <= 0);
+ if ((r = pa_read(STDIN_FILENO, ibuf, sizeof(ibuf), &stdin_type)) <= 0) {
+ if (r < 0) {
+ pa_log(_("read(): %s"), strerror(errno));
+ goto fail;
+ }
+
+ ibuf_eof = TRUE;
+ } else {
+ ibuf_length = (size_t) r;
+ ibuf_index = 0;
+ }
+ } else if (watch_stdin->revents & POLLHUP)
+ ibuf_eof = TRUE;
}
- 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;
+ if (watch_socket) {
+ if (watch_socket->revents & POLLIN) {
+ ssize_t r;
+ pa_assert(obuf_length <= 0);
+
+ if ((r = pa_read(fd, obuf, sizeof(obuf), &fd_type)) <= 0) {
+ if (r < 0) {
+ pa_log(_("read(): %s"), strerror(errno));
+ goto fail;
+ }
+ obuf_eof = TRUE;
+ } else {
+ obuf_length = (size_t) r;
+ obuf_index = 0;
+ }
+ } else if (watch_socket->revents & POLLHUP)
+ obuf_eof = TRUE;
}
- 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);
+ if (watch_stdout) {
+ if (watch_stdout->revents & POLLHUP) {
+ obuf_eof = TRUE;
+ obuf_length = 0;
+ } else if (watch_stdout->revents & POLLOUT) {
+ ssize_t r;
+ pa_assert(obuf_length > 0);
+
+ if ((r = pa_write(STDOUT_FILENO, obuf + obuf_index, obuf_length, &stdout_type)) < 0) {
+ pa_log(_("write(): %s"), strerror(errno));
+ goto fail;
+ }
+
+ obuf_length -= (size_t) r;
+ obuf_index += obuf_index;
+ }
+ }
+
+ if (watch_socket) {
+ if (watch_socket->revents & POLLHUP) {
+ ibuf_eof = TRUE;
+ ibuf_length = 0;
+ } if (watch_socket->revents & POLLOUT) {
+ ssize_t r;
+ pa_assert(ibuf_length > 0);
+
+ if ((r = pa_write(fd, ibuf + ibuf_index, ibuf_length, &fd_type)) < 0) {
+ pa_log(_("write(): %s"), strerror(errno));
+ goto fail;
+ }
+
+ ibuf_length -= (size_t) r;
+ ibuf_index += obuf_index;
+ }
+ }
}
-
ret = 0;
-
+
fail:
if (fd >= 0)
- close(fd);
-
+ pa_close(fd);
+
return ret;
}
generated by cgit (git 2.34.1) at 2026-01-17 05:46:05 +0000