/*
- * Copyright (C) 2005-2012 Andre Noll <maan@systemlinux.org>
+ * Copyright (C) 2005 Andre Noll <maan@tuebingen.mpg.de>
*
* Licensed under the GPL v2. For licencing details see COPYING.
*/
/** \file audioc.c The client program used to connect to para_audiod. */
+#include <netinet/in.h>
+#include <sys/socket.h>
#include <regex.h>
#include <sys/types.h>
-#include <stdbool.h>
+#include <arpa/inet.h>
+#include <sys/un.h>
+#include <netdb.h>
#include <signal.h>
#include "audioc.cmdline.h"
+#include "audiod_cmd.lsg.h"
+
#include "para.h"
#include "error.h"
#include "net.h"
#include "string.h"
#include "fd.h"
+#include "ggo.h"
#include "version.h"
-INIT_AUDIOC_ERRLISTS;
+/** Array of error strings. */
+DEFINE_PARA_ERRLIST;
/** The gengetopt structure containing command line args. */
static struct audioc_args_info conf;
return buf;
}
+static int connect_audiod(const char *sname, char *args)
+{
+ int fd = -1, ret;
+
+ ret = connect_local_socket(sname);
+ if (ret < 0)
+ goto fail;
+ fd = ret;
+ ret = send_cred_buffer(fd, args);
+ if (ret < 0)
+ goto fail;
+ return fd;
+fail:
+ PARA_ERROR_LOG("could not connect %s\n", sname);
+ if (fd >= 0)
+ close(fd);
+ return ret;
+}
+
#ifdef HAVE_READLINE
#include "list.h"
#include "sched.h"
#include "buffer_tree.h"
#include "interactive.h"
-#include "audiod_completion.h"
static struct sched sched;
struct audioc_task {
int fd;
struct btr_node *btrn;
- struct task task;
+ struct task *task;
};
static struct i9e_completer audiod_completers[];
result->matches = i9e_complete_commands(ci->word, audiod_completers);
}
+static void version_completer(struct i9e_completion_info *ci,
+ struct i9e_completion_result *cr)
+{
+ char *opts[] = {LSG_AUDIOD_CMD_VERSION_OPTS, NULL};
+
+ if (ci->word_num <= 2 && ci->word && ci->word[0] == '-')
+ i9e_complete_option(opts, ci, cr);
+}
+
static void stat_completer(struct i9e_completion_info *ci,
struct i9e_completion_result *cr)
{
char *sia[] = {STATUS_ITEM_ARRAY NULL};
- char *opts[] = {"-p", NULL};
+ char *opts[] = {LSG_AUDIOD_CMD_STAT_OPTS, NULL};
if (ci->word_num <= 2 && ci->word && ci->word[0] == '-')
i9e_complete_option(opts, ci, cr);
static void grab_completer(struct i9e_completion_info *ci,
struct i9e_completion_result *cr)
{
- char *opts[] = {"-ms", "-ms", "-ma", "-p=", "-n=", "-o", NULL};
+ char *opts[] = {LSG_AUDIOD_CMD_GRAB_OPTS, NULL};
i9e_complete_option(opts, ci, cr);
}
+I9E_DUMMY_COMPLETER(SUPERCOMMAND_UNAVAILABLE);
static struct i9e_completer audiod_completers[] = {
- AUDIOD_COMPLETERS
+#define LSG_AUDIOD_CMD_CMD(_name) {.name = #_name, \
+ .completer = _name ## _completer}
+ LSG_AUDIOD_CMD_SUBCOMMANDS
+#undef LSG_AUDIOD_CMD_CMD
{.name = NULL}
};
-static void audioc_pre_select(struct sched *s, struct task *t)
+static void audioc_pre_select(struct sched *s, void *context)
{
- struct audioc_task *at = container_of(t, struct audioc_task, task);
+ struct audioc_task *at = context;
int ret = btr_node_status(at->btrn, 0, BTR_NT_ROOT);
if (ret < 0)
para_fd_set(at->fd, &s->rfds, &s->max_fileno);
}
-static void audioc_post_select(struct sched *s, struct task *t)
+static int audioc_post_select(struct sched *s, void *context)
{
char *buf = NULL;
- struct audioc_task *at = container_of(t, struct audioc_task, task);
+ struct audioc_task *at = context;
int ret = btr_node_status(at->btrn, 0, BTR_NT_ROOT);
if (ret < 0)
goto out;
if (!FD_ISSET(at->fd, &s->rfds))
- return;
+ return 0;
buf = para_malloc(conf.bufsize_arg);
ret = recv_bin_buffer(at->fd, buf, conf.bufsize_arg);
PARA_DEBUG_LOG("recv: %d\n", ret);
if (ret < 0)
goto out;
btr_add_output(buf, ret, at->btrn);
- return;
+ return 0;
out:
if (ret < 0) {
free(buf);
- btr_remove_node(at->btrn);
- btr_free_node(at->btrn);
- at->btrn = NULL;
+ btr_remove_node(&at->btrn);
close(at->fd);
}
- t->error = ret;
+ return ret;
}
-static struct audioc_task audioc_task = {
- .task = {
- .pre_select = audioc_pre_select,
- .post_select = audioc_post_select,
- .status = "audioc task"
- },
-}, *at = &audioc_task;
+static struct audioc_task audioc_task, *at = &audioc_task;
static int audioc_i9e_line_handler(char *line)
{
char *args = NULL;
int ret;
- if (!line || !*line)
- return 0;
PARA_DEBUG_LOG("line: %s\n", line);
ret = create_argv(line, " ", &conf.inputs);
conf.inputs_num = ret;
args = concat_args(conf.inputs_num, conf.inputs);
free_argv(conf.inputs);
+ if (!args)
+ return 0;
conf.inputs_num = 0; /* required for audioc_cmdline_parser_free() */
- ret = connect_local_socket(socket_name);
+ ret = connect_audiod(socket_name, args);
if (ret < 0)
goto out;
at->fd = ret;
ret = mark_fd_nonblocking(at->fd);
- if (ret < 0)
- goto close;
- ret = send_cred_buffer(at->fd, args);
if (ret < 0)
goto close;
free(args);
args = NULL;
at->btrn = btr_new_node(&(struct btr_node_description)
EMBRACE(.name = "audioc line handler"));
- at->task.error = 0;
- register_task(&sched, &at->task);
+ at->task = task_register(&(struct task_info) {
+ .name = "audioc",
+ .pre_select = audioc_pre_select,
+ .post_select = audioc_post_select,
+ .context = at,
+ }, &sched);
i9e_attach_to_stdout(at->btrn);
return 1;
close:
.loglevel = loglevel,
.completers = audiod_completers,
};
- PARA_NOTICE_LOG("\n%s\n", VERSION_TEXT("audioc"));
+ PARA_NOTICE_LOG("\n%s\n", version_text("audioc"));
if (conf.history_file_given)
history_file = para_strdup(conf.history_file_arg);
else {
goto out;
para_log = i9e_log;
ret = schedule(&sched);
+ sched_shutdown(&sched);
i9e_close();
para_log = stderr_log;
out:
static char *configfile_exists(void)
{
- static char *config_file;
+ char *config_file;
struct stat statbuf;
+ char *home = para_homedir();
- if (!config_file) {
- char *home = para_homedir();
- config_file = make_message("%s/.paraslash/audioc.conf", home);
- free(home);
- }
+ config_file = make_message("%s/.paraslash/audioc.conf", home);
+ free(home);
if (!stat(config_file, &statbuf))
return config_file;
+ free(config_file);
return NULL;
}
+__noreturn static void print_help_and_die(void)
+{
+ struct ggo_help h = DEFINE_GGO_HELP(audioc);
+ bool d = conf.detailed_help_given;
+
+ ggo_print_help(&h, d? GPH_STANDARD_FLAGS_DETAILED : GPH_STANDARD_FLAGS);
+ exit(0);
+}
+
/**
* The client program to connect to para_audiod.
*
* \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.
+ * It connects to the "well-known" local socket to communicate with
+ * para_audiod. Authentication is performed by sending a ucred buffer
+ * containing the user id to the local socket.
*
- * Any output received through the local socket is sent to stdout.
+ * Any data received from the socket is written to stdout.
*
* \return EXIT_SUCCESS or EXIT_FAILURE.
*
*/
int main(int argc, char *argv[])
{
- int ret = -E_AUDIOC_SYNTAX, fd;
- char *cf, *buf = NULL, *args;
+ int ret, fd;
+ char *cf, *buf = NULL, *args = NULL;
size_t bufsize;
- if (audioc_cmdline_parser(argc, argv, &conf))
- goto out;
- HANDLE_VERSION_FLAG("audioc", conf);
+ audioc_cmdline_parser(argc, argv, &conf);
+ loglevel = get_loglevel_by_name(conf.loglevel_arg);
+ version_handle_flag("audioc", conf.version_given);
+ if (conf.help_given || conf.detailed_help_given)
+ print_help_and_die();
cf = configfile_exists();
if (cf) {
struct audioc_cmdline_parser_params params = {
.override = 0,
.initialize = 0,
.check_required = 0,
- .check_ambiguity = 0
+ .check_ambiguity = 0,
+ .print_errors = 1,
+
};
- if (audioc_cmdline_parser_config_file(cf, &conf, ¶ms)) {
- fprintf(stderr, "parse error in config file\n");
- exit(EXIT_FAILURE);
- }
+ audioc_cmdline_parser_config_file(cf, &conf, ¶ms);
+ free(cf);
+ loglevel = get_loglevel_by_name(conf.loglevel_arg);
}
- loglevel = get_loglevel_by_name(conf.loglevel_arg);
if (conf.socket_given)
socket_name = para_strdup(conf.socket_arg);
else {
interactive_session();
args = concat_args(conf.inputs_num, conf.inputs);
- ret = connect_local_socket(socket_name);
+ ret = connect_audiod(socket_name, args);
free(socket_name);
- if (ret < 0) {
- PARA_EMERG_LOG("failed to connect to local socket\n");
+ if (ret < 0)
goto out;
- }
fd = ret;
- ret = send_cred_buffer(fd, args);
+ ret = mark_fd_blocking(STDOUT_FILENO);
if (ret < 0)
goto out;
bufsize = conf.bufsize_arg;
buf = para_malloc(bufsize);
- ret = mark_fd_blocking(STDOUT_FILENO);
- if (ret < 0)
- goto out;
do {
size_t n = ret = recv_bin_buffer(fd, buf, bufsize);
if (ret <= 0)
break;
- ret = write_all(STDOUT_FILENO, buf, &n);
+ ret = write_all(STDOUT_FILENO, buf, n);
} while (ret >= 0);
out:
+ free(buf);
+ free(args);
if (ret < 0)
PARA_ERROR_LOG("%s\n", para_strerror(-ret));
return ret < 0? EXIT_FAILURE : EXIT_SUCCESS;
projects / paraslash.git / blobdiff