diff options
Diffstat (limited to 'polyp/pacmd.c')
| -rw-r--r-- | polyp/pacmd.c | 183 |
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; +} |