tools: Update Huawei audio utility with call tracking

1 files changed, 604 insertions, 0 deletions

diff --git a/tools/huawei-audio.c b/tools/huawei-audio.c
index ca304bcf..5928d6e1 100644
--- a/tools/huawei-audio.c
+++ b/tools/huawei-audio.c
@@ -23,7 +23,611 @@
 #include <config.h>
 #endif
 
+#include <stdio.h>
+#include <errno.h>
+#include <stdlib.h>
+#include <string.h>
+#include <signal.h>
+
+#include <gdbus.h>
+
+#define OFONO_SERVICE	"org.ofono"
+
+#define OFONO_MANAGER_INTERFACE		OFONO_SERVICE ".Manager"
+#define OFONO_MODEM_INTERFACE		OFONO_SERVICE ".Modem"
+#define OFONO_CALLMANAGER_INTERFACE	OFONO_SERVICE ".VoiceCallManager"
+#define OFONO_CALL_INTERFACE		OFONO_SERVICE ".VoiceCall"
+
+struct modem_data {
+	char *path;
+	GHashTable *call_list;
+
+	DBusConnection *conn;
+	guint call_added_watch;
+	guint call_removed_watch;
+	guint call_changed_watch;
+
+	gboolean has_callmanager;
+};
+
+struct call_data {
+	char *path;
+};
+
+static GHashTable *modem_list;
+
+static void call_set(struct call_data *call, const char *key,
+						DBusMessageIter *iter)
+{
+	const char *str = NULL;
+
+	if (dbus_message_iter_get_arg_type(iter) == DBUS_TYPE_STRING)
+		dbus_message_iter_get_basic(iter, &str);
+
+	g_print("updating call (%s) [ %s = %s ]\n", call->path,
+						key, str ? str : "...");
+}
+
+static void destroy_call(gpointer data)
+{
+	struct call_data *call = data;
+
+	g_print("call removed (%s)\n", call->path);
+
+	g_free(call->path);
+	g_free(call);
+}
+
+static void create_call(struct modem_data *modem,
+				const char *path, DBusMessageIter *iter)
+{
+	struct call_data *call;
+	DBusMessageIter dict;
+
+	call = g_try_new0(struct call_data, 1);
+	if (call == NULL)
+		return;
+
+	call->path = g_strdup(path);
+
+	g_hash_table_replace(modem->call_list, call->path, call);
+
+	g_print("call added (%s)\n", call->path);
+
+	dbus_message_iter_recurse(iter, &dict);
+
+	while (dbus_message_iter_get_arg_type(&dict) == DBUS_TYPE_DICT_ENTRY) {
+		DBusMessageIter entry, value;
+		const char *key;
+
+		dbus_message_iter_recurse(&dict, &entry);
+		dbus_message_iter_get_basic(&entry, &key);
+
+		dbus_message_iter_next(&entry);
+		dbus_message_iter_recurse(&entry, &value);
+
+		call_set(call, key, &value);
+
+		dbus_message_iter_next(&dict);
+	}
+
+}
+
+static gboolean call_added(DBusConnection *conn,
+				DBusMessage *msg, void *user_data)
+{
+	struct modem_data *modem = user_data;
+	DBusMessageIter iter, dict;
+	const char *path;
+
+	if (dbus_message_iter_init(msg, &iter) == FALSE)
+		return TRUE;
+
+	dbus_message_iter_get_basic(&iter, &path);
+
+	dbus_message_iter_next(&iter);
+	dbus_message_iter_recurse(&iter, &dict);
+
+	create_call(modem, path, &iter);
+
+	return TRUE;
+}
+
+static gboolean call_removed(DBusConnection *conn,
+				DBusMessage *msg, void *user_data)
+{
+	struct modem_data *modem = user_data;
+	DBusMessageIter iter;
+	const char *path;
+
+	if (dbus_message_iter_init(msg, &iter) == FALSE)
+		return TRUE;
+
+	dbus_message_iter_get_basic(&iter, &path);
+
+	g_hash_table_remove(modem->call_list, path);
+
+	return TRUE;
+}
+
+static gboolean call_changed(DBusConnection *conn,
+				DBusMessage *msg, void *user_data)
+{
+	struct modem_data *modem = user_data;
+	struct call_data *call;
+	DBusMessageIter iter, value;
+	const char *path, *key;
+
+	if (dbus_message_iter_init(msg, &iter) == FALSE)
+		return TRUE;
+
+	path = dbus_message_get_path(msg);
+
+	call = g_hash_table_lookup(modem->call_list, path);
+	if (call == NULL)
+		return TRUE;
+
+	dbus_message_iter_get_basic(&iter, &key);
+
+	dbus_message_iter_next(&iter);
+	dbus_message_iter_recurse(&iter, &value);
+
+	call_set(call, key, &value);
+
+	return TRUE;
+}
+
+static void get_calls_reply(DBusPendingCall *call, void *user_data)
+{
+	struct modem_data *modem = user_data;
+	DBusMessage *reply = dbus_pending_call_steal_reply(call);
+	DBusMessageIter iter, list;
+	DBusError err;
+
+	dbus_error_init(&err);
+
+	if (dbus_set_error_from_message(&err, reply) == TRUE) {
+		g_printerr("%s: %s\n", err.name, err.message);
+		dbus_error_free(&err);
+		goto done;
+	}
+
+	if (dbus_message_has_signature(reply, "a(oa{sv})") == FALSE)
+		goto done;
+
+	if (dbus_message_iter_init(reply, &iter) == FALSE)
+		goto done;
+
+	dbus_message_iter_recurse(&iter, &list);
+
+	while (dbus_message_iter_get_arg_type(&list) == DBUS_TYPE_STRUCT) {
+		DBusMessageIter entry, dict;
+		const char *path;
+
+		dbus_message_iter_recurse(&list, &entry);
+		dbus_message_iter_get_basic(&entry, &path);
+
+		dbus_message_iter_next(&entry);
+		dbus_message_iter_recurse(&entry, &dict);
+
+		create_call(modem, path, &dict);
+
+		dbus_message_iter_next(&list);
+	}
+
+done:
+	dbus_message_unref(reply);
+}
+
+static int get_calls(struct modem_data *modem)
+{
+	DBusMessage *msg;
+	DBusPendingCall *call;
+
+	msg = dbus_message_new_method_call(OFONO_SERVICE, modem->path,
+				OFONO_CALLMANAGER_INTERFACE, "GetCalls");
+	if (msg == NULL)
+		return -ENOMEM;
+
+	dbus_message_set_auto_start(msg, FALSE);
+
+	g_print("getting calls (%s)\n", modem->path);
+
+	if (dbus_connection_send_with_reply(modem->conn, msg,
+						&call, -1) == FALSE) {
+		dbus_message_unref(msg);
+		return -EIO;
+	}
+
+	dbus_message_unref(msg);
+
+	if (call == NULL)
+		return -EINVAL;
+
+	dbus_pending_call_set_notify(call, get_calls_reply, modem, NULL);
+
+	dbus_pending_call_unref(call);
+
+	return 0;
+}
+
+static void check_interfaces(struct modem_data *modem, DBusMessageIter *iter)
+{
+	DBusMessageIter entry;
+	gboolean has_callmanager = FALSE;
+
+	dbus_message_iter_recurse(iter, &entry);
+
+	while (dbus_message_iter_get_arg_type(&entry) == DBUS_TYPE_STRING) {
+		const char *interface;
+
+		dbus_message_iter_get_basic(&entry, &interface);
+
+		if (g_str_equal(interface, OFONO_CALLMANAGER_INTERFACE) == TRUE)
+			has_callmanager = TRUE;
+
+		dbus_message_iter_next(&entry);
+	}
+
+	if (modem->has_callmanager == has_callmanager)
+		return;
+
+	modem->has_callmanager = has_callmanager;
+	if (modem->has_callmanager == TRUE)
+		get_calls(modem);
+}
+
+static void destroy_modem(gpointer data)
+{
+	struct modem_data *modem = data;
+
+	g_dbus_remove_watch(modem->conn, modem->call_added_watch);
+	g_dbus_remove_watch(modem->conn, modem->call_removed_watch);
+	g_dbus_remove_watch(modem->conn, modem->call_changed_watch);
+
+	g_hash_table_destroy(modem->call_list);
+
+	g_print("modem removed (%s)\n", modem->path);
+
+	g_free(modem->path);
+	g_free(modem);
+}
+
+static void create_modem(DBusConnection *conn,
+				const char *path, DBusMessageIter *iter)
+{
+	struct modem_data *modem;
+	DBusMessageIter dict;
+
+	modem = g_try_new0(struct modem_data, 1);
+	if (modem == NULL)
+		return;
+
+	modem->path = g_strdup(path);
+
+	modem->call_list = g_hash_table_new_full(g_str_hash, g_str_equal,
+							NULL, destroy_call);
+
+	modem->conn = conn;
+
+	modem->call_added_watch = g_dbus_add_signal_watch(conn, NULL,
+				modem->path, OFONO_CALLMANAGER_INTERFACE,
+				"CallAdded", call_added, modem, NULL);
+	modem->call_removed_watch = g_dbus_add_signal_watch(conn, NULL,
+				modem->path, OFONO_CALLMANAGER_INTERFACE,
+				"CallRemoved", call_removed, modem, NULL);
+	modem->call_changed_watch = g_dbus_add_signal_watch(conn, NULL,
+				NULL, OFONO_CALL_INTERFACE,
+				"PropertyChanged", call_changed, modem, NULL);
+
+	g_hash_table_replace(modem_list, modem->path, modem);
+
+	g_print("modem added (%s)\n", modem->path);
+
+	dbus_message_iter_recurse(iter, &dict);
+
+	while (dbus_message_iter_get_arg_type(&dict) == DBUS_TYPE_DICT_ENTRY) {
+		DBusMessageIter entry, value;
+		const char *key;
+
+		dbus_message_iter_recurse(&dict, &entry);
+		dbus_message_iter_get_basic(&entry, &key);
+
+		dbus_message_iter_next(&entry);
+		dbus_message_iter_recurse(&entry, &value);
+
+		if (g_str_equal(key, "Interfaces") == TRUE)
+			check_interfaces(modem, &value);
+
+		dbus_message_iter_next(&dict);
+	}
+}
+
+static gboolean modem_added(DBusConnection *conn,
+				DBusMessage *msg, void *user_data)
+{
+	DBusMessageIter iter, dict;
+	const char *path;
+
+	if (dbus_message_iter_init(msg, &iter) == FALSE)
+		return TRUE;
+
+	dbus_message_iter_get_basic(&iter, &path);
+
+	dbus_message_iter_next(&iter);
+	dbus_message_iter_recurse(&iter, &dict);
+
+	create_modem(conn, path, &iter);
+
+	return TRUE;
+}
+
+static gboolean modem_removed(DBusConnection *conn,
+				DBusMessage *msg, void *user_data)
+{
+	DBusMessageIter iter;
+	const char *path;
+
+	if (dbus_message_iter_init(msg, &iter) == FALSE)
+		return TRUE;
+
+	dbus_message_iter_get_basic(&iter, &path);
+
+	g_hash_table_remove(modem_list, path);
+
+	return TRUE;
+}
+
+static gboolean modem_changed(DBusConnection *conn,
+				DBusMessage *msg, void *user_data)
+{
+	struct modem_data *modem;
+	DBusMessageIter iter, value;
+	const char *path, *key;
+
+	if (dbus_message_iter_init(msg, &iter) == FALSE)
+		return TRUE;
+
+	path = dbus_message_get_path(msg);
+
+	modem = g_hash_table_lookup(modem_list, path);
+	if (modem == NULL)
+		return TRUE;
+
+	dbus_message_iter_get_basic(&iter, &key);
+
+	dbus_message_iter_next(&iter);
+	dbus_message_iter_recurse(&iter, &value);
+
+	if (g_str_equal(key, "Interfaces") == TRUE)
+		check_interfaces(modem, &value);
+
+	return TRUE;
+}
+
+static void get_modems_reply(DBusPendingCall *call, void *user_data)
+{
+	DBusConnection *conn = user_data;
+	DBusMessage *reply = dbus_pending_call_steal_reply(call);
+	DBusMessageIter iter, list;
+	DBusError err;
+
+	dbus_error_init(&err);
+
+	if (dbus_set_error_from_message(&err, reply) == TRUE) {
+		g_printerr("%s: %s\n", err.name, err.message);
+		dbus_error_free(&err);
+		goto done;
+	}
+
+	if (dbus_message_has_signature(reply, "a(oa{sv})") == FALSE)
+		goto done;
+
+	if (dbus_message_iter_init(reply, &iter) == FALSE)
+		goto done;
+
+	dbus_message_iter_recurse(&iter, &list);
+
+	while (dbus_message_iter_get_arg_type(&list) == DBUS_TYPE_STRUCT) {
+		DBusMessageIter entry, dict;
+		const char *path;
+
+		dbus_message_iter_recurse(&list, &entry);
+		dbus_message_iter_get_basic(&entry, &path);
+
+		dbus_message_iter_next(&entry);
+		dbus_message_iter_recurse(&entry, &dict);
+
+		create_modem(conn, path, &entry);
+
+		dbus_message_iter_next(&list);
+	}
+
+done:
+	dbus_message_unref(reply);
+}
+
+static int get_modems(DBusConnection *conn)
+{
+	DBusMessage *msg;
+	DBusPendingCall *call;
+
+	msg = dbus_message_new_method_call(OFONO_SERVICE, "/",
+					OFONO_MANAGER_INTERFACE, "GetModems");
+	if (msg == NULL)
+		return -ENOMEM;
+
+	dbus_message_set_auto_start(msg, FALSE);
+
+	g_print("getting modems\n");
+
+	if (dbus_connection_send_with_reply(conn, msg, &call, -1) == FALSE) {
+		dbus_message_unref(msg);
+		return -EIO;
+	}
+
+	dbus_message_unref(msg);
+
+	if (call == NULL)
+		return -EINVAL;
+
+	dbus_pending_call_set_notify(call, get_modems_reply, conn, NULL);
+
+	dbus_pending_call_unref(call);
+
+	return 0;
+}
+
+static gboolean ofono_running = FALSE;
+
+static guint modem_added_watch;
+static guint modem_removed_watch;
+static guint modem_changed_watch;
+
+static void ofono_connect(DBusConnection *conn, void *user_data)
+{
+	g_print("starting telephony interface\n");
+
+	ofono_running = TRUE;
+
+	modem_list = g_hash_table_new_full(g_str_hash, g_str_equal,
+						NULL, destroy_modem);
+
+	modem_added_watch = g_dbus_add_signal_watch(conn, NULL, NULL,
+				OFONO_MANAGER_INTERFACE, "ModemAdded",
+						modem_added, NULL, NULL);
+	modem_removed_watch = g_dbus_add_signal_watch(conn, NULL, NULL,
+				OFONO_MANAGER_INTERFACE, "ModemRemoved",
+						modem_removed, NULL, NULL);
+	modem_changed_watch = g_dbus_add_signal_watch(conn, NULL, NULL,
+				OFONO_MODEM_INTERFACE, "PropertyChanged",
+						modem_changed, NULL, NULL);
+
+	get_modems(conn);
+}
+
+static void ofono_disconnect(DBusConnection *conn, void *user_data)
+{
+	g_print("stopping telephony interface\n");
+
+	ofono_running = FALSE;
+
+	g_dbus_remove_watch(conn, modem_added_watch);
+	modem_added_watch = 0;
+	g_dbus_remove_watch(conn, modem_removed_watch);
+	modem_removed_watch = 0;
+	g_dbus_remove_watch(conn, modem_changed_watch);
+	modem_changed_watch = 0;
+
+	g_hash_table_destroy(modem_list);
+	modem_list = NULL;
+}
+
+static GMainLoop *main_loop = NULL;
+
+static volatile sig_atomic_t __terminated = 0;
+
+static void sig_term(int sig)
+{
+	if (__terminated > 0)
+		return;
+
+	__terminated = 1;
+
+	g_print("Terminating\n");
+
+	g_main_loop_quit(main_loop);
+}
+
+static void disconnect_callback(DBusConnection *conn, void *user_data)
+{
+	g_printerr("D-Bus disconnect\n");
+
+	g_main_loop_quit(main_loop);
+}
+
+static gboolean option_version = FALSE;
+
+static GOptionEntry options[] = {
+	{ "version", 'v', 0, G_OPTION_ARG_NONE, &option_version,
+				"Show version information and exit" },
+	{ NULL },
+};
+
 int main(int argc, char **argv)
 {
+	GOptionContext *context;
+	GError *error = NULL;
+	DBusConnection *conn;
+	DBusError err;
+	guint watch;
+	struct sigaction sa;
+
+#ifdef NEED_THREADS
+	if (g_thread_supported() == FALSE)
+		g_thread_init(NULL);
+#endif
+
+	context = g_option_context_new(NULL);
+	g_option_context_add_main_entries(context, options, NULL);
+
+	if (g_option_context_parse(context, &argc, &argv, &error) == FALSE) {
+		if (error != NULL) {
+			g_printerr("%s\n", error->message);
+			g_error_free(error);
+		} else
+			g_printerr("An unknown error occurred\n");
+		exit(1);
+	}
+
+	g_option_context_free(context);
+
+	if (option_version == TRUE) {
+		printf("%s\n", VERSION);
+		exit(0);
+	}
+
+	main_loop = g_main_loop_new(NULL, FALSE);
+
+#ifdef NEED_THREADS
+	if (dbus_threads_init_default() == FALSE) {
+		fprintf(stderr, "Can't init usage of threads\n");
+		exit(1);
+	}
+#endif
+
+	dbus_error_init(&err);
+
+	conn = g_dbus_setup_bus(DBUS_BUS_SYSTEM, NULL, &err);
+	if (conn == NULL) {
+		if (dbus_error_is_set(&err) == TRUE) {
+			fprintf(stderr, "%s\n", err.message);
+			dbus_error_free(&err);
+		} else
+			fprintf(stderr, "Can't register with system bus\n");
+		exit(1);
+	}
+
+	g_dbus_set_disconnect_function(conn, disconnect_callback, NULL, NULL);
+
+	memset(&sa, 0, sizeof(sa));
+	sa.sa_handler = sig_term;
+	sigaction(SIGINT, &sa, NULL);
+	sigaction(SIGTERM, &sa, NULL);
+
+	watch = g_dbus_add_service_watch(conn, OFONO_SERVICE,
+				ofono_connect, ofono_disconnect, NULL, NULL);
+
+	g_main_loop_run(main_loop);
+
+	g_dbus_remove_watch(conn, watch);
+
+	if (ofono_running == TRUE)
+		ofono_disconnect(conn, NULL);
+
+	dbus_connection_unref(conn);
+
+	g_main_loop_unref(main_loop);
+
 	return 0;
 }