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-rw-r--r--polyp/pacmd.c183
1 files changed, 183 insertions, 0 deletions
diff --git a/polyp/pacmd.c b/polyp/pacmd.c
new file mode 100644
index 00000000..741059ce
--- /dev/null
+++ b/polyp/pacmd.c
@@ -0,0 +1,183 @@
+/* $Id$ */
+
+/***
+ 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 "util.h"
+#include "log.h"
+#include "pid.h"
+
+int main() {
+ 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\n");
+ goto fail;
+ }
+
+ if ((fd = socket(PF_UNIX, SOCK_STREAM, 0)) < 0) {
+ pa_log(__FILE__": socket(PF_UNIX, SOCK_STREAM, 0): %s\n", 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() failed: %s\n", strerror(errno));
+ goto fail;
+ }
+
+ if (r >= 0)
+ break;
+
+ if (pa_pid_file_kill(SIGUSR2, NULL) < 0) {
+ pa_log(__FILE__": failed to kill Polypaudio daemon.\n");
+ goto fail;
+ }
+
+ pa_msleep(10);
+ }
+
+ if (i >= 5) {
+ pa_log(__FILE__": daemon to responding.\n");
+ 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() failed: %s\n", 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() failed: %s\n", 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() failed: %s\n", 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() failed: %s\n", 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() failed: %s\n", 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;
+}