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pulseaudio/polyp/cli-command.c
Lennart Poettering dfd440bd5d add sound file streaming 
git-svn-id: file:///home/lennart/svn/public/pulseaudio/trunk@171 fefdeb5f-60dc-0310-8127-8f9354f1896f
2004-09-01 15:55:48 +00:00

701 lines
26 KiB
C
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/* $Id$ */
/***
This file is part of polypaudio.
polypaudio is free software; you can redistribute it and/or modify
it under the terms of the GNU 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 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 <stdio.h>
#include <string.h>
#include <assert.h>
#include <stdlib.h>
#include <errno.h>
#include "cli-command.h"
#include "module.h"
#include "sink.h"
#include "source.h"
#include "client.h"
#include "sink-input.h"
#include "source-output.h"
#include "tokenizer.h"
#include "strbuf.h"
#include "namereg.h"
#include "cli-text.h"
#include "scache.h"
#include "sample-util.h"
#include "sound-file.h"
#include "play-memchunk.h"
#include "autoload.h"
#include "xmalloc.h"
#include "sound-file-stream.h"
struct command {
const char *name;
int (*proc) (struct pa_core *c, struct pa_tokenizer*t, struct pa_strbuf *buf, int *fail, int *verbose);
const char *help;
unsigned args;
};
static int pa_cli_command_exit(struct pa_core *c, struct pa_tokenizer *t, struct pa_strbuf *buf, int *fail, int *verbose);
static int pa_cli_command_help(struct pa_core *c, struct pa_tokenizer *t, struct pa_strbuf *buf, int *fail, int *verbose);
static int pa_cli_command_modules(struct pa_core *c, struct pa_tokenizer *t, struct pa_strbuf *buf, int *fail, int *verbose);
static int pa_cli_command_clients(struct pa_core *c, struct pa_tokenizer *t, struct pa_strbuf *buf, int *fail, int *verbose);
static int pa_cli_command_sinks(struct pa_core *c, struct pa_tokenizer *t, struct pa_strbuf *buf, int *fail, int *verbose);
static int pa_cli_command_sources(struct pa_core *c, struct pa_tokenizer *t, struct pa_strbuf *buf, int *fail, int *verbose);
static int pa_cli_command_sink_inputs(struct pa_core *c, struct pa_tokenizer *t, struct pa_strbuf *buf, int *fail, int *verbose);
static int pa_cli_command_source_outputs(struct pa_core *c, struct pa_tokenizer *t, struct pa_strbuf *buf, int *fail, int *verbose);
static int pa_cli_command_stat(struct pa_core *c, struct pa_tokenizer *t, struct pa_strbuf *buf, int *fail, int *verbose);
static int pa_cli_command_info(struct pa_core *c, struct pa_tokenizer *t, struct pa_strbuf *buf, int *fail, int *verbose);
static int pa_cli_command_load(struct pa_core *c, struct pa_tokenizer *t, struct pa_strbuf *buf, int *fail, int *verbose);
static int pa_cli_command_unload(struct pa_core *c, struct pa_tokenizer *t, struct pa_strbuf *buf, int *fail, int *verbose);
static int pa_cli_command_sink_volume(struct pa_core *c, struct pa_tokenizer *t, struct pa_strbuf *buf, int *fail, int *verbose);
static int pa_cli_command_sink_input_volume(struct pa_core *c, struct pa_tokenizer *t, struct pa_strbuf *buf, int *fail, int *verbose);
static int pa_cli_command_sink_default(struct pa_core *c, struct pa_tokenizer *t, struct pa_strbuf *buf, int *fail, int *verbose);
static int pa_cli_command_source_default(struct pa_core *c, struct pa_tokenizer *t, struct pa_strbuf *buf, int *fail, int *verbose);
static int pa_cli_command_kill_client(struct pa_core *c, struct pa_tokenizer *t, struct pa_strbuf *buf, int *fail, int *verbose);
static int pa_cli_command_kill_sink_input(struct pa_core *c, struct pa_tokenizer *t, struct pa_strbuf *buf, int *fail, int *verbose);
static int pa_cli_command_kill_source_output(struct pa_core *c, struct pa_tokenizer *t, struct pa_strbuf *buf, int *fail, int *verbose);
static int pa_cli_command_scache_play(struct pa_core *c, struct pa_tokenizer *t, struct pa_strbuf *buf, int *fail, int *verbose);
static int pa_cli_command_scache_remove(struct pa_core *c, struct pa_tokenizer *t, struct pa_strbuf *buf, int *fail, int *verbose);
static int pa_cli_command_scache_list(struct pa_core *c, struct pa_tokenizer *t, struct pa_strbuf *buf, int *fail, int *verbose);
static int pa_cli_command_scache_load(struct pa_core *c, struct pa_tokenizer *t, struct pa_strbuf *buf, int *fail, int *verbose);
static int pa_cli_command_play_file(struct pa_core *c, struct pa_tokenizer *t, struct pa_strbuf *buf, int *fail, int *verbose);
static int pa_cli_command_autoload_list(struct pa_core *c, struct pa_tokenizer *t, struct pa_strbuf *buf, int *fail, int *verbose);
static int pa_cli_command_autoload_add(struct pa_core *c, struct pa_tokenizer *t, struct pa_strbuf *buf, int *fail, int *verbose);
static int pa_cli_command_autoload_remove(struct pa_core *c, struct pa_tokenizer *t, struct pa_strbuf *buf, int *fail, int *verbose);
static const struct command commands[] = {
{ "exit", pa_cli_command_exit, "Terminate the daemon", 1 },
{ "help", pa_cli_command_help, "Show this help", 1 },
{ "modules", pa_cli_command_modules, "List loaded modules", 1 },
{ "sinks", pa_cli_command_sinks, "List loaded sinks", 1 },
{ "sources", pa_cli_command_sources, "List loaded sources", 1 },
{ "clients", pa_cli_command_clients, "List loaded clients", 1 },
{ "sink_inputs", pa_cli_command_sink_inputs, "List sink inputs", 1 },
{ "source_outputs", pa_cli_command_source_outputs, "List source outputs", 1 },
{ "stat", pa_cli_command_stat, "Show memory block statistics", 1 },
{ "info", pa_cli_command_info, "Show comprehensive status", 1 },
{ "ls", pa_cli_command_info, NULL, 1 },
{ "list", pa_cli_command_info, NULL, 1 },
{ "load", pa_cli_command_load, "Load a module (args: name, arguments)", 3},
{ "unload", pa_cli_command_unload, "Unload a module (args: index)", 2},
{ "sink_volume", pa_cli_command_sink_volume, "Set the volume of a sink (args: index|name, volume)", 3},
{ "sink_input_volume", pa_cli_command_sink_input_volume, "Set the volume of a sink input (args: index|name, volume)", 3},
{ "sink_default", pa_cli_command_sink_default, "Set the default sink (args: index|name)", 2},
{ "source_default", pa_cli_command_source_default, "Set the default source (args: index|name)", 2},
{ "kill_client", pa_cli_command_kill_client, "Kill a client (args: index)", 2},
{ "kill_sink_input", pa_cli_command_kill_sink_input, "Kill a sink input (args: index)", 2},
{ "kill_source_output", pa_cli_command_kill_source_output, "Kill a source output (args: index)", 2},
{ "scache_list", pa_cli_command_scache_list, "List all entries in the sample cache", 1},
{ "scache_play", pa_cli_command_scache_play, "Play a sample from the sample cache (args: name, sink|index)", 3},
{ "scache_remove", pa_cli_command_scache_remove, "Remove a sample from the sample cache (args: name)", 2},
{ "scache_load", pa_cli_command_scache_load, "Load a sound file into the sample cache (args: filename,name)", 3},
{ "play_file", pa_cli_command_play_file, "Play a sound file (args: filename, sink|index)", 3},
{ "autoload_list", pa_cli_command_autoload_list, "List autoload entries", 1},
{ "autoload_sink_add", pa_cli_command_autoload_add, "Add autoload entry for a sink (args: sink, name, arguments)", 4},
{ "autoload_source_add", pa_cli_command_autoload_add, "Add autoload entry for a source (args: source, name, arguments)", 4},
{ "autoload_sink_remove", pa_cli_command_autoload_remove, "Remove autoload entry for a sink (args: sink)", 2},
{ "autoload_source_remove", pa_cli_command_autoload_remove, "Remove autoload entry for a source (args: source)", 2},
{ NULL, NULL, NULL, 0 }
};
static const char whitespace[] = " \t\n\r";
static const char linebreak[] = "\n\r";
static uint32_t parse_index(const char *n) {
long index;
char *x;
index = strtol(n, &x, 0);
if (!x || *x != 0 || index < 0)
return (uint32_t) PA_IDXSET_INVALID;
return (uint32_t) index;
}
static int pa_cli_command_exit(struct pa_core *c, struct pa_tokenizer *t, struct pa_strbuf *buf, int *fail, int *verbose) {
assert(c && c->mainloop && t);
c->mainloop->quit(c->mainloop, 0);
return 0;
}
static int pa_cli_command_help(struct pa_core *c, struct pa_tokenizer *t, struct pa_strbuf *buf, int *fail, int *verbose) {
const struct command*command;
assert(c && t && buf);
pa_strbuf_puts(buf, "Available commands:\n");
for (command = commands; command->name; command++)
if (command->help)
pa_strbuf_printf(buf, " %-20s %s\n", command->name, command->help);
return 0;
}
static int pa_cli_command_modules(struct pa_core *c, struct pa_tokenizer *t, struct pa_strbuf *buf, int *fail, int *verbose) {
char *s;
assert(c && t);
s = pa_module_list_to_string(c);
assert(s);
pa_strbuf_puts(buf, s);
pa_xfree(s);
return 0;
}
static int pa_cli_command_clients(struct pa_core *c, struct pa_tokenizer *t, struct pa_strbuf *buf, int *fail, int *verbose) {
char *s;
assert(c && t);
s = pa_client_list_to_string(c);
assert(s);
pa_strbuf_puts(buf, s);
pa_xfree(s);
return 0;
}
static int pa_cli_command_sinks(struct pa_core *c, struct pa_tokenizer *t, struct pa_strbuf *buf, int *fail, int *verbose) {
char *s;
assert(c && t);
s = pa_sink_list_to_string(c);
assert(s);
pa_strbuf_puts(buf, s);
pa_xfree(s);
return 0;
}
static int pa_cli_command_sources(struct pa_core *c, struct pa_tokenizer *t, struct pa_strbuf *buf, int *fail, int *verbose) {
char *s;
assert(c && t);
s = pa_source_list_to_string(c);
assert(s);
pa_strbuf_puts(buf, s);
pa_xfree(s);
return 0;
}
static int pa_cli_command_sink_inputs(struct pa_core *c, struct pa_tokenizer *t, struct pa_strbuf *buf, int *fail, int *verbose) {
char *s;
assert(c && t);
s = pa_sink_input_list_to_string(c);
assert(s);
pa_strbuf_puts(buf, s);
pa_xfree(s);
return 0;
}
static int pa_cli_command_source_outputs(struct pa_core *c, struct pa_tokenizer *t, struct pa_strbuf *buf, int *fail, int *verbose) {
char *s;
assert(c && t);
s = pa_source_output_list_to_string(c);
assert(s);
pa_strbuf_puts(buf, s);
pa_xfree(s);
return 0;
}
static int pa_cli_command_stat(struct pa_core *c, struct pa_tokenizer *t, struct pa_strbuf *buf, int *fail, int *verbose) {
assert(c && t);
pa_strbuf_printf(buf, "Memory blocks currently allocated: %u, size: %u bytes.\nMemory blocks allocated during the whole lifetime: %u, size: %u bytes.\n", c->memblock_stat->total, c->memblock_stat->total_size, c->memblock_stat->allocated, c->memblock_stat->allocated_size);
return 0;
}
static int pa_cli_command_info(struct pa_core *c, struct pa_tokenizer *t, struct pa_strbuf *buf, int *fail, int *verbose) {
assert(c && t);
pa_cli_command_stat(c, t, buf, fail, verbose);
pa_cli_command_modules(c, t, buf, fail, verbose);
pa_cli_command_sinks(c, t, buf, fail, verbose);
pa_cli_command_sources(c, t, buf, fail, verbose);
pa_cli_command_clients(c, t, buf, fail, verbose);
pa_cli_command_sink_inputs(c, t, buf, fail, verbose);
pa_cli_command_source_outputs(c, t, buf, fail, verbose);
pa_cli_command_scache_list(c, t, buf, fail, verbose);
pa_cli_command_autoload_list(c, t, buf, fail, verbose);
return 0;
}
static int pa_cli_command_load(struct pa_core *c, struct pa_tokenizer *t, struct pa_strbuf *buf, int *fail, int *verbose) {
struct pa_module *m;
const char *name;
char txt[256];
assert(c && t);
if (!(name = pa_tokenizer_get(t, 1))) {
pa_strbuf_puts(buf, "You need to specify the module name and optionally arguments.\n");
return -1;
}
if (!(m = pa_module_load(c, name, pa_tokenizer_get(t, 2)))) {
pa_strbuf_puts(buf, "Module load failed.\n");
return -1;
}
if (*verbose) {
snprintf(txt, sizeof(txt), "Module successfully loaded, index: %u.\n", m->index);
pa_strbuf_puts(buf, txt);
}
return 0;
}
static int pa_cli_command_unload(struct pa_core *c, struct pa_tokenizer *t, struct pa_strbuf *buf, int *fail, int *verbose) {
struct pa_module *m;
uint32_t index;
const char *i;
char *e;
assert(c && t);
if (!(i = pa_tokenizer_get(t, 1))) {
pa_strbuf_puts(buf, "You need to specify the module index.\n");
return -1;
}
index = (uint32_t) strtoul(i, &e, 10);
if (*e || !(m = pa_idxset_get_by_index(c->modules, index))) {
pa_strbuf_puts(buf, "Invalid module index.\n");
return -1;
}
pa_module_unload_request(c, m);
return 0;
}
static int pa_cli_command_sink_volume(struct pa_core *c, struct pa_tokenizer *t, struct pa_strbuf *buf, int *fail, int *verbose) {
const char *n, *v;
char *x = NULL;
struct pa_sink *sink;
long volume;
if (!(n = pa_tokenizer_get(t, 1))) {
pa_strbuf_puts(buf, "You need to specify a sink either by its name or its index.\n");
return -1;
}
if (!(v = pa_tokenizer_get(t, 2))) {
pa_strbuf_puts(buf, "You need to specify a volume >= 0. (0 is muted, 0x100 is normal volume)\n");
return -1;
}
volume = strtol(v, &x, 0);
if (!x || *x != 0 || volume < 0) {
pa_strbuf_puts(buf, "Failed to parse volume.\n");
return -1;
}
if (!(sink = pa_namereg_get(c, n, PA_NAMEREG_SINK, 1))) {
pa_strbuf_puts(buf, "No sink found by this name or index.\n");
return -1;
}
pa_sink_set_volume(sink, (uint32_t) volume);
return 0;
}
static int pa_cli_command_sink_input_volume(struct pa_core *c, struct pa_tokenizer *t, struct pa_strbuf *buf, int *fail, int *verbose) {
const char *n, *v;
struct pa_sink_input *si;
long volume;
uint32_t index;
char *x;
if (!(n = pa_tokenizer_get(t, 1))) {
pa_strbuf_puts(buf, "You need to specify a sink input by its index.\n");
return -1;
}
if ((index = parse_index(n)) == PA_IDXSET_INVALID) {
pa_strbuf_puts(buf, "Failed to parse index.\n");
return -1;
}
if (!(v = pa_tokenizer_get(t, 2))) {
pa_strbuf_puts(buf, "You need to specify a volume >= 0. (0 is muted, 0x100 is normal volume)\n");
return -1;
}
x = NULL;
volume = strtol(v, &x, 0);
if (!x || *x != 0 || volume < 0) {
pa_strbuf_puts(buf, "Failed to parse volume.\n");
return -1;
}
if (!(si = pa_idxset_get_by_index(c->sink_inputs, (uint32_t) index))) {
pa_strbuf_puts(buf, "No sink input found with this index.\n");
return -1;
}
pa_sink_input_set_volume(si, (uint32_t) volume);
return 0;
}
static int pa_cli_command_sink_default(struct pa_core *c, struct pa_tokenizer *t, struct pa_strbuf *buf, int *fail, int *verbose) {
const char *n;
assert(c && t);
if (!(n = pa_tokenizer_get(t, 1))) {
pa_strbuf_puts(buf, "You need to specify a sink either by its name or its index.\n");
return -1;
}
pa_namereg_set_default(c, n, PA_NAMEREG_SINK);
return 0;
}
static int pa_cli_command_source_default(struct pa_core *c, struct pa_tokenizer *t, struct pa_strbuf *buf, int *fail, int *verbose) {
const char *n;
assert(c && t);
if (!(n = pa_tokenizer_get(t, 1))) {
pa_strbuf_puts(buf, "You need to specify a source either by its name or its index.\n");
return -1;
}
pa_namereg_set_default(c, n, PA_NAMEREG_SOURCE);
return 0;
}
static int pa_cli_command_kill_client(struct pa_core *c, struct pa_tokenizer *t, struct pa_strbuf *buf, int *fail, int *verbose) {
const char *n;
struct pa_client *client;
uint32_t index;
assert(c && t);
if (!(n = pa_tokenizer_get(t, 1))) {
pa_strbuf_puts(buf, "You need to specify a client by its index.\n");
return -1;
}
if ((index = parse_index(n)) == PA_IDXSET_INVALID) {
pa_strbuf_puts(buf, "Failed to parse index.\n");
return -1;
}
if (!(client = pa_idxset_get_by_index(c->clients, index))) {
pa_strbuf_puts(buf, "No client found by this index.\n");
return -1;
}
pa_client_kill(client);
return 0;
}
static int pa_cli_command_kill_sink_input(struct pa_core *c, struct pa_tokenizer *t, struct pa_strbuf *buf, int *fail, int *verbose) {
const char *n;
struct pa_sink_input *sink_input;
uint32_t index;
assert(c && t);
if (!(n = pa_tokenizer_get(t, 1))) {
pa_strbuf_puts(buf, "You need to specify a sink input by its index.\n");
return -1;
}
if ((index = parse_index(n)) == PA_IDXSET_INVALID) {
pa_strbuf_puts(buf, "Failed to parse index.\n");
return -1;
}
if (!(sink_input = pa_idxset_get_by_index(c->sink_inputs, index))) {
pa_strbuf_puts(buf, "No sink input found by this index.\n");
return -1;
}
pa_sink_input_kill(sink_input);
return 0;
}
static int pa_cli_command_kill_source_output(struct pa_core *c, struct pa_tokenizer *t, struct pa_strbuf *buf, int *fail, int *verbose) {
const char *n;
struct pa_source_output *source_output;
uint32_t index;
assert(c && t);
if (!(n = pa_tokenizer_get(t, 1))) {
pa_strbuf_puts(buf, "You need to specify a source output by its index.\n");
return -1;
}
if ((index = parse_index(n)) == PA_IDXSET_INVALID) {
pa_strbuf_puts(buf, "Failed to parse index.\n");
return -1;
}
if (!(source_output = pa_idxset_get_by_index(c->source_outputs, index))) {
pa_strbuf_puts(buf, "No source output found by this index.\n");
return -1;
}
pa_source_output_kill(source_output);
return 0;
}
static int pa_cli_command_scache_list(struct pa_core *c, struct pa_tokenizer *t, struct pa_strbuf *buf, int *fail, int *verbose) {
char *s;
assert(c && t);
s = pa_scache_list_to_string(c);
assert(s);
pa_strbuf_puts(buf, s);
pa_xfree(s);
return 0;
}
static int pa_cli_command_scache_play(struct pa_core *c, struct pa_tokenizer *t, struct pa_strbuf *buf, int *fail, int *verbose) {
const char *n, *sink_name;
struct pa_sink *sink;
assert(c && t && buf && fail && verbose);
if (!(n = pa_tokenizer_get(t, 1)) || !(sink_name = pa_tokenizer_get(t, 2))) {
pa_strbuf_puts(buf, "You need to specify a sample name and a sink name.\n");
return -1;
}
if (!(sink = pa_namereg_get(c, sink_name, PA_NAMEREG_SINK, 1))) {
pa_strbuf_puts(buf, "No sink by that name.\n");
return -1;
}
if (pa_scache_play_item(c, n, sink, PA_VOLUME_NORM) < 0) {
pa_strbuf_puts(buf, "Failed to play sample.\n");
return -1;
}
return 0;
}
static int pa_cli_command_scache_remove(struct pa_core *c, struct pa_tokenizer *t, struct pa_strbuf *buf, int *fail, int *verbose) {
const char *n;
assert(c && t && buf && fail && verbose);
if (!(n = pa_tokenizer_get(t, 1))) {
pa_strbuf_puts(buf, "You need to specify a sample name.\n");
return -1;
}
if (pa_scache_remove_item(c, n) < 0) {
pa_strbuf_puts(buf, "Failed to remove sample.\n");
return -1;
}
return 0;
}
static int pa_cli_command_scache_load(struct pa_core *c, struct pa_tokenizer *t, struct pa_strbuf *buf, int *fail, int *verbose) {
const char *fname, *n;
struct pa_memchunk chunk;
struct pa_sample_spec ss;
assert(c && t && buf && fail && verbose);
if (!(fname = pa_tokenizer_get(t, 1)) || !(n = pa_tokenizer_get(t, 2))) {
pa_strbuf_puts(buf, "You need to specify a file name and a sample name.\n");
return -1;
}
if (pa_sound_file_load(fname, &ss, &chunk, c->memblock_stat) < 0) {
pa_strbuf_puts(buf, "Failed to load sound file.\n");
return -1;
}
pa_scache_add_item(c, n, &ss, &chunk, NULL);
pa_memblock_unref(chunk.memblock);
return 0;
}
static int pa_cli_command_play_file(struct pa_core *c, struct pa_tokenizer *t, struct pa_strbuf *buf, int *fail, int *verbose) {
const char *fname, *sink_name;
struct pa_sink *sink;
assert(c && t && buf && fail && verbose);
if (!(fname = pa_tokenizer_get(t, 1)) || !(sink_name = pa_tokenizer_get(t, 2))) {
pa_strbuf_puts(buf, "You need to specify a file name and a sink name.\n");
return -1;
}
if (!(sink = pa_namereg_get(c, sink_name, PA_NAMEREG_SINK, 1))) {
pa_strbuf_puts(buf, "No sink by that name.\n");
return -1;
}
return pa_play_file(sink, fname, PA_VOLUME_NORM);
}
static int pa_cli_command_autoload_add(struct pa_core *c, struct pa_tokenizer *t, struct pa_strbuf *buf, int *fail, int *verbose) {
const char *devname, *module;
assert(c && t && buf && fail && verbose);
if (!(devname = pa_tokenizer_get(t, 1)) || !(module = pa_tokenizer_get(t, 2))) {
pa_strbuf_puts(buf, "You need to specify a device name, a module name and optionally module arguments\n");
return -1;
}
pa_autoload_add(c, devname, strstr(pa_tokenizer_get(t, 0), "sink") ? PA_NAMEREG_SINK : PA_NAMEREG_SOURCE, module, pa_tokenizer_get(t, 3));
return 0;
}
static int pa_cli_command_autoload_remove(struct pa_core *c, struct pa_tokenizer *t, struct pa_strbuf *buf, int *fail, int *verbose) {
const char *devname;
assert(c && t && buf && fail && verbose);
if (!(devname = pa_tokenizer_get(t, 1))) {
pa_strbuf_puts(buf, "You need to specify a device name\n");
return -1;
}
if (pa_autoload_remove(c, devname, strstr(pa_tokenizer_get(t, 0), "sink") ? PA_NAMEREG_SINK : PA_NAMEREG_SOURCE) < 0) {
pa_strbuf_puts(buf, "Failed to remove autload entry\n");
return -1;
}
return 0;
}
static int pa_cli_command_autoload_list(struct pa_core *c, struct pa_tokenizer *t, struct pa_strbuf *buf, int *fail, int *verbose) {
char *s;
assert(c && t);
s = pa_autoload_list_to_string(c);
assert(s);
pa_strbuf_puts(buf, s);
pa_xfree(s);
return 0;
}
int pa_cli_command_execute_line(struct pa_core *c, const char *s, struct pa_strbuf *buf, int *fail, int *verbose) {
const char *cs;
cs = s+strspn(s, whitespace);
if (*cs == '#' || !*cs)
return 0;
else if (*cs == '.') {
static const char fail_meta[] = ".fail";
static const char nofail_meta[] = ".nofail";
static const char verbose_meta[] = ".verbose";
static const char noverbose_meta[] = ".noverbose";
if (!strcmp(cs, verbose_meta))
*verbose = 1;
else if (!strcmp(cs, noverbose_meta))
*verbose = 0;
else if (!strcmp(cs, fail_meta))
*fail = 1;
else if (!strcmp(cs, nofail_meta))
*fail = 0;
else {
size_t l;
static const char include_meta[] = ".include";
l = strcspn(cs, whitespace);
if (l == sizeof(include_meta)-1 && !strncmp(cs, include_meta, l)) {
const char *filename = cs+l+strspn(cs+l, whitespace);
if (pa_cli_command_execute_file(c, filename, buf, fail, verbose) < 0)
if (*fail) return -1;
} else {
pa_strbuf_printf(buf, "Invalid meta command: %s\n", cs);
if (*fail) return -1;
}
}
} else {
const struct command*command;
int unknown = 1;
size_t l;
l = strcspn(cs, whitespace);
for (command = commands; command->name; command++)
if (strlen(command->name) == l && !strncmp(cs, command->name, l)) {
int ret;
struct pa_tokenizer *t = pa_tokenizer_new(cs, command->args);
assert(t);
ret = command->proc(c, t, buf, fail, verbose);
pa_tokenizer_free(t);
unknown = 0;
if (ret < 0 && *fail)
return -1;
break;
}
if (unknown) {
pa_strbuf_printf(buf, "Unknown command: %s\n", cs);
if (*fail)
return -1;
}
}
return 0;
}
int pa_cli_command_execute_file(struct pa_core *c, const char *fn, struct pa_strbuf *buf, int *fail, int *verbose) {
char line[256];
FILE *f = NULL;
int ret = -1;
assert(c && fn && buf);
if (!(f = fopen(fn, "r"))) {
pa_strbuf_printf(buf, "open('%s') failed: %s\n", fn, strerror(errno));
if (!*fail)
ret = 0;
goto fail;
}
if (*verbose)
pa_strbuf_printf(buf, "Executing file: '%s'\n", fn);
while (fgets(line, sizeof(line), f)) {
char *e = line + strcspn(line, linebreak);
*e = 0;
if (pa_cli_command_execute_line(c, line, buf, fail, verbose) < 0 && *fail)
goto fail;
}
if (*verbose)
pa_strbuf_printf(buf, "Executed file: '%s'\n", fn);
ret = 0;
fail:
if (f)
fclose(f);
return ret;
}
int pa_cli_command_execute(struct pa_core *c, const char *s, struct pa_strbuf *buf, int *fail, int *verbose) {
const char *p;
assert(c && s && buf && fail && verbose);
p = s;
while (*p) {
size_t l = strcspn(p, linebreak);
char *line = pa_xstrndup(p, l);
if (pa_cli_command_execute_line(c, line, buf, fail, verbose) < 0&& *fail) {
pa_xfree(line);
return -1;
}
pa_xfree(line);
p += l;
p += strspn(p, linebreak);
}
return 0;
}
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