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-rw-r--r--src/modules/module-x11-xsmp.c195
1 files changed, 195 insertions, 0 deletions
diff --git a/src/modules/module-x11-xsmp.c b/src/modules/module-x11-xsmp.c
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--- /dev/null
+++ b/src/modules/module-x11-xsmp.c
@@ -0,0 +1,195 @@
+/* $Id$ */
+
+/***
+ 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 <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include <X11/Xlib.h>
+#include <X11/SM/SMlib.h>
+
+#include <pulse/xmalloc.h>
+#include <pulse/util.h>
+
+#include <pulsecore/iochannel.h>
+#include <pulsecore/sink.h>
+#include <pulsecore/core-scache.h>
+#include <pulsecore/modargs.h>
+#include <pulsecore/namereg.h>
+#include <pulsecore/log.h>
+#include <pulsecore/core-util.h>
+
+#include "module-x11-xsmp-symdef.h"
+
+PA_MODULE_AUTHOR("Lennart Poettering")
+PA_MODULE_DESCRIPTION("X11 session management")
+PA_MODULE_VERSION(PACKAGE_VERSION)
+
+static int ice_in_use = 0;
+
+static const char* const valid_modargs[] = {
+ NULL
+};
+
+static void die_cb(SmcConn connection, SmPointer client_data){
+ pa_core *c = PA_CORE(client_data);
+
+ pa_log_debug("Got die message from XSM. Exiting...");
+
+ pa_core_assert_ref(c);
+ c->mainloop->quit(c->mainloop, 0);
+}
+
+static void save_complete_cb(SmcConn connection, SmPointer client_data) {
+}
+
+static void shutdown_cancelled_cb(SmcConn connection, SmPointer client_data) {
+ SmcSaveYourselfDone(connection, True);
+}
+
+static void save_yourself_cb(SmcConn connection, SmPointer client_data, int save_type, Bool _shutdown, int interact_style, Bool fast) {
+ SmcSaveYourselfDone(connection, True);
+}
+
+static void ice_io_cb(pa_mainloop_api*a, pa_io_event *e, int fd, pa_io_event_flags_t flags, void *userdata) {
+ IceConn connection = userdata;
+
+ if (IceProcessMessages(connection, NULL, NULL) == IceProcessMessagesIOError) {
+ IceSetShutdownNegotiation(connection, False);
+ IceCloseConnection(connection);
+ }
+}
+
+static void new_ice_connection(IceConn connection, IcePointer client_data, Bool opening, IcePointer *watch_data) {
+ pa_core *c = client_data;
+
+ pa_assert(c);
+
+ if (opening)
+ *watch_data = c->mainloop->io_new(c->mainloop, IceConnectionNumber(connection), PA_IO_EVENT_INPUT, ice_io_cb, connection);
+ else
+ c->mainloop->io_free(*watch_data);
+}
+
+int pa__init(pa_module*m) {
+
+ pa_modargs *ma = NULL;
+ char t[256], *vendor, *client_id;
+ SmcCallbacks callbacks;
+ SmProp prop_program, prop_user;
+ SmProp *prop_list[2];
+ SmPropValue val_program, val_user;
+ SmcConn connection;
+
+ pa_assert(m);
+
+ if (ice_in_use) {
+ pa_log("module-x11-xsmp may no be loaded twice.");
+ return -1;
+ }
+
+ IceAddConnectionWatch(new_ice_connection, m->core);
+ ice_in_use = 1;
+
+ if (!(ma = pa_modargs_new(m->argument, valid_modargs))) {
+ pa_log("Failed to parse module arguments");
+ goto fail;
+ }
+
+ if (!getenv("SESSION_MANAGER")) {
+ pa_log("X11 session manager not running.");
+ goto fail;
+ }
+
+ memset(&callbacks, 0, sizeof(callbacks));
+ callbacks.die.callback = die_cb;
+ callbacks.die.client_data = m->core;
+ callbacks.save_yourself.callback = save_yourself_cb;
+ callbacks.save_yourself.client_data = m->core;
+ callbacks.save_complete.callback = save_complete_cb;
+ callbacks.save_complete.client_data = m->core;
+ callbacks.shutdown_cancelled.callback = shutdown_cancelled_cb;
+ callbacks.shutdown_cancelled.client_data = m->core;
+
+ if (!(m->userdata = connection = SmcOpenConnection(
+ NULL, m->core,
+ SmProtoMajor, SmProtoMinor,
+ SmcSaveYourselfProcMask | SmcDieProcMask | SmcSaveCompleteProcMask | SmcShutdownCancelledProcMask,
+ &callbacks, NULL, &client_id,
+ sizeof(t), t))) {
+
+ pa_log("Failed to open connection to session manager: %s", t);
+ goto fail;
+ }
+
+ prop_program.name = (char*) SmProgram;
+ prop_program.type = (char*) SmARRAY8;
+ val_program.value = (char*) PACKAGE_NAME;
+ val_program.length = strlen(val_program.value);
+ prop_program.num_vals = 1;
+ prop_program.vals = &val_program;
+ prop_list[0] = &prop_program;
+
+ prop_user.name = (char*) SmUserID;
+ prop_user.type = (char*) SmARRAY8;
+ pa_get_user_name(t, sizeof(t));
+ val_user.value = t;
+ val_user.length = strlen(val_user.value);
+ prop_user.num_vals = 1;
+ prop_user.vals = &val_user;
+ prop_list[1] = &prop_user;
+
+ SmcSetProperties(connection, PA_ELEMENTSOF(prop_list), prop_list);
+
+ pa_log_info("Connected to session manager '%s' as '%s'.", vendor = SmcVendor(connection), client_id);
+ free(vendor);
+ free(client_id);
+
+ pa_modargs_free(ma);
+
+ return 0;
+
+fail:
+ if (ma)
+ pa_modargs_free(ma);
+
+ pa__done(m);
+
+ return -1;
+}
+
+void pa__done(pa_module*m) {
+ pa_assert(m);
+
+ if (m->userdata)
+ SmcCloseConnection(m->userdata, 0, NULL);
+
+ if (ice_in_use) {
+ IceRemoveConnectionWatch(new_ice_connection, m->core);
+ ice_in_use = 0;
+ }
+}