mirror of
https://gitlab.freedesktop.org/pulseaudio/pulseaudio.git
synced 2025-11-03 09:01:50 -05:00
8641af3c6d
* introduce reference counting in ioline * fix memory leak in socket-client.c * fix double-free error in protocol-esound.c git-svn-id: file:///home/lennart/svn/public/pulseaudio/trunk@293 fefdeb5f-60dc-0310-8127-8f9354f1896f
148 lines
3.8 KiB
C
148 lines
3.8 KiB
C
/* $Id$ */
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/***
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This file is part of polypaudio.
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polypaudio is free software; you can redistribute it and/or modify
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it under the terms of the GNU Lesser General Public License as published
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by the Free Software Foundation; either version 2 of the License,
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or (at your option) any later version.
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polypaudio is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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General Public License for more details.
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You should have received a copy of the GNU Lesser General Public License
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along with polypaudio; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
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USA.
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***/
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#ifdef HAVE_CONFIG_H
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#include <config.h>
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#endif
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#include <stdio.h>
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#include <string.h>
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#include <assert.h>
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#include <stdlib.h>
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#include "ioline.h"
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#include "cli.h"
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#include "module.h"
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#include "sink.h"
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#include "source.h"
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#include "client.h"
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#include "sink-input.h"
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#include "source-output.h"
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#include "tokenizer.h"
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#include "strbuf.h"
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#include "namereg.h"
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#include "cli-text.h"
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#include "cli-command.h"
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#include "xmalloc.h"
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#include "log.h"
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#define PROMPT ">>> "
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struct pa_cli {
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struct pa_core *core;
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struct pa_ioline *line;
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void (*eof_callback)(struct pa_cli *c, void *userdata);
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void *userdata;
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struct pa_client *client;
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int fail, verbose, kill_requested, defer_kill;
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};
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static void line_callback(struct pa_ioline *line, const char *s, void *userdata);
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static void client_kill(struct pa_client *c);
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struct pa_cli* pa_cli_new(struct pa_core *core, struct pa_iochannel *io, struct pa_module *m) {
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char cname[256];
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struct pa_cli *c;
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assert(io);
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c = pa_xmalloc(sizeof(struct pa_cli));
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c->core = core;
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c->line = pa_ioline_new(io);
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assert(c->line);
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c->userdata = NULL;
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c->eof_callback = NULL;
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pa_iochannel_socket_peer_to_string(io, cname, sizeof(cname));
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c->client = pa_client_new(core, "CLI", cname);
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assert(c->client);
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c->client->kill = client_kill;
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c->client->userdata = c;
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c->client->owner = m;
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pa_ioline_set_callback(c->line, line_callback, c);
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pa_ioline_puts(c->line, "Welcome to polypaudio! Use \"help\" for usage information.\n"PROMPT);
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c->fail = c->kill_requested = c->defer_kill = 0;
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c->verbose = 1;
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return c;
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}
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void pa_cli_free(struct pa_cli *c) {
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assert(c);
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pa_ioline_close(c->line);
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pa_ioline_unref(c->line);
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pa_client_free(c->client);
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pa_xfree(c);
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}
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static void client_kill(struct pa_client *client) {
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struct pa_cli *c;
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assert(client && client->userdata);
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c = client->userdata;
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pa_log(__FILE__": CLI client killed.\n");
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if (c->defer_kill)
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c->kill_requested = 1;
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else {
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if (c->eof_callback)
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c->eof_callback(c, c->userdata);
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}
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}
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static void line_callback(struct pa_ioline *line, const char *s, void *userdata) {
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struct pa_strbuf *buf;
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struct pa_cli *c = userdata;
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char *p;
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assert(line && c);
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if (!s) {
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pa_log(__FILE__": CLI got EOF from user.\n");
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if (c->eof_callback)
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c->eof_callback(c, c->userdata);
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return;
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}
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buf = pa_strbuf_new();
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assert(buf);
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c->defer_kill++;
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pa_cli_command_execute_line(c->core, s, buf, &c->fail, &c->verbose);
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c->defer_kill--;
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pa_ioline_puts(line, p = pa_strbuf_tostring_free(buf));
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pa_xfree(p);
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if (c->kill_requested) {
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if (c->eof_callback)
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c->eof_callback(c, c->userdata);
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} else
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pa_ioline_puts(line, PROMPT);
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}
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void pa_cli_set_eof_callback(struct pa_cli *c, void (*cb)(struct pa_cli*c, void *userdata), void *userdata) {
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assert(c);
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c->eof_callback = cb;
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c->userdata = userdata;
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}
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