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/***
This file is part of PulseAudio.
Copyright 2004-2006 Lennart Poettering
PulseAudio 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.
PulseAudio 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 PulseAudio; 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 <stdlib.h>
#include <pulse/xmalloc.h>
#include <pulsecore/cli.h>
#include <pulsecore/log.h>
#include <pulsecore/macro.h>
#include "protocol-cli.h"
/* Don't allow more than this many concurrent connections */
#define MAX_CONNECTIONS 25
struct pa_protocol_cli {
pa_module *module;
pa_core *core;
pa_socket_server*server;
pa_idxset *connections;
};
static void cli_eof_cb(pa_cli*c, void*userdata) {
pa_protocol_cli *p = userdata;
pa_assert(p);
pa_idxset_remove_by_data(p->connections, c, NULL);
pa_cli_free(c);
}
static void on_connection(pa_socket_server*s, pa_iochannel *io, void *userdata) {
pa_protocol_cli *p = userdata;
pa_cli *c;
pa_assert(s);
pa_assert(io);
pa_assert(p);
if (pa_idxset_size(p->connections)+1 > MAX_CONNECTIONS) {
pa_log("Warning! Too many connections (%u), dropping incoming connection.", MAX_CONNECTIONS);
pa_iochannel_free(io);
return;
}
c = pa_cli_new(p->core, io, p->module);
pa_cli_set_eof_callback(c, cli_eof_cb, p);
pa_idxset_put(p->connections, c, NULL);
}
pa_protocol_cli* pa_protocol_cli_new(pa_core *core, pa_socket_server *server, pa_module *m, PA_GCC_UNUSED pa_modargs *ma) {
pa_protocol_cli* p;
pa_core_assert_ref(core);
pa_assert(server);
p = pa_xnew(pa_protocol_cli, 1);
p->module = m;
p->core = core;
p->server = pa_socket_server_ref(server);
p->connections = pa_idxset_new(NULL, NULL);
pa_socket_server_set_callback(p->server, on_connection, p);
return p;
}
static void free_connection(void *p, PA_GCC_UNUSED void *userdata) {
pa_assert(p);
pa_cli_free(p);
}
void pa_protocol_cli_free(pa_protocol_cli *p) {
pa_assert(p);
pa_idxset_free(p->connections, free_connection, NULL);
pa_socket_server_unref(p->server);
pa_xfree(p);
}
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