X-Git-Url: http://git.tuebingen.mpg.de/?p=paraslash.git;a=blobdiff_plain;f=audioc.c;h=6b1a64f978c9dadf38cd6cf46c4070e74f384510;hp=aa7184e09070d4742650cc7b72904ab066ebc482;hb=3150a0caa27a34d44556fb77f4a5aebc3d978580;hpb=7a0852896a75d852dbd2ac848ec5c0be3b5dea71 diff --git a/audioc.c b/audioc.c index aa7184e0..6b1a64f9 100644 --- a/audioc.c +++ b/audioc.c @@ -1,13 +1,13 @@ /* - * Copyright (C) 2005-2007 Andre Noll + * Copyright (C) 2005-2011 Andre Noll * * Licensed under the GPL v2. For licencing details see COPYING. */ -/** \file audioc.c the client program used to connect to para_audiod */ +/** \file audioc.c The client program used to connect to para_audiod. */ +#include #include -#include #include "audioc.cmdline.h" #include "para.h" @@ -15,17 +15,21 @@ #include "net.h" #include "string.h" #include "fd.h" +#include "version.h" INIT_AUDIOC_ERRLISTS; -/** the gengetopt structure containing command line args */ -struct audioc_args_info conf; +/** The gengetopt structure containing command line args. */ +static struct audioc_args_info conf; -INIT_STDERR_LOGGING(conf.loglevel_arg); +static int loglevel; +INIT_STDERR_LOGGING(loglevel); static char *concat_args(unsigned argc, char * const *argv) { - int i; char *buf = NULL; + int i; + char *buf = NULL; + for (i = 0; i < argc; i++) { buf = para_strcat(buf, argv[i]); if (i != argc - 1) @@ -39,7 +43,6 @@ static char *configfile_exists(void) static char *config_file; struct stat statbuf; - if (!config_file) { char *home = para_homedir(); config_file = make_message("%s/.paraslash/audioc.conf", home); @@ -51,17 +54,17 @@ static char *configfile_exists(void) } /** - * the client program to connect to para_audiod + * The client program to connect to para_audiod. * - * \param argc usual argument count - * \param argv usual argument vector + * \param argc Usual argument count. + * \param argv Usual argument vector. * * It creates a temporary local socket in order to communicate with para_audiod. * Authentication consists in sending a ucred buffer that contains the user id. * * Any output received through the local socket is sent to stdout. * - * \return EXIT_SUCCESS or EXIT_FAILURE + * \return EXIT_SUCCESS or EXIT_FAILURE. * * \sa send_cred_buffer(), para_audioc(1), para_audiod(1). */ @@ -69,7 +72,7 @@ int main(int argc, char *argv[]) { int ret = -E_AUDIOC_SYNTAX, fd; char *cf, *buf = NULL, *args; - size_t bufsize, loaded = 0; + size_t bufsize; if (audioc_cmdline_parser(argc, argv, &conf)) goto out; @@ -87,69 +90,38 @@ int main(int argc, char *argv[]) exit(EXIT_FAILURE); } } + loglevel = get_loglevel_by_name(conf.loglevel_arg); args = conf.inputs_num? concat_args(conf.inputs_num, conf.inputs) : para_strdup("stat"); - bufsize = conf.bufsize_arg; - buf = para_malloc(bufsize); - if (conf.socket_given) { - ret = create_remote_socket(conf.socket_arg); - } else { - char *hn = para_hostname(), - *socket_name = make_message("/var/paraslash/audiod_socket.%s", hn); - - ret = create_remote_socket(socket_name); + if (conf.socket_given) + ret = connect_local_socket(conf.socket_arg); + else { + char *hn = para_hostname(), *socket_name = make_message( + "/var/paraslash/audiod_socket.%s", hn); + ret = connect_local_socket(socket_name); free(hn); free(socket_name); } - if (ret < 0) + if (ret < 0) { + PARA_EMERG_LOG("failed to connect to local socket\n"); goto out; + } fd = ret; - ret = send_cred_buffer(fd, args); if (ret < 0) goto out; - for (;;) { - int max_fileno = -1, check_write = 0; - ssize_t len; - fd_set rfd, wfd; - FD_ZERO(&rfd); - FD_ZERO(&wfd); - if (loaded < bufsize) - para_fd_set(fd, &rfd, &max_fileno); - if (loaded > 0) { - para_fd_set(STDOUT_FILENO, &wfd, &max_fileno); - check_write = 1; - } - ret = -E_AUDIOC_OVERRUN; - if (max_fileno < 0) - goto out; - ret = para_select(max_fileno + 1, &rfd, &wfd, NULL); - if (ret < 0) - goto out; - if (loaded < bufsize && FD_ISSET(fd, &rfd)) { - len = recv_bin_buffer(fd, buf + loaded, - bufsize - loaded); - if (len <= 0) { - ret = len < 0? -E_AUDIOC_READ : 0; - goto out; - } - loaded += len; - } - if (check_write && FD_ISSET(STDOUT_FILENO, &wfd)) { - ret = write(STDOUT_FILENO, buf, loaded); - if (ret < 0) { - ret = -E_AUDIOC_WRITE; - goto out; - } - loaded -= ret; - } - } + bufsize = conf.bufsize_arg; + buf = para_malloc(bufsize); + do { + size_t n = ret = recv_bin_buffer(fd, buf, bufsize); + if (ret <= 0) + break; + ret = write_all(STDOUT_FILENO, buf, &n); + } while (ret >= 0); out: - if (!ret && loaded && buf) - ret = write(STDOUT_FILENO, buf, loaded); if (ret < 0) - PARA_ERROR_LOG("%s\n", PARA_STRERROR(-ret)); + PARA_ERROR_LOG("%s\n", para_strerror(-ret)); return ret < 0? EXIT_FAILURE : EXIT_SUCCESS; }