From 573c806fcd9343cd07df8546703c1ed9c81c8778 Mon Sep 17 00:00:00 2001 From: Andrzej Zaborowski Date: Wed, 28 Jul 2010 12:26:06 +0200 Subject: Add STK agent utilities and logic. --- src/stkagent.c | 299 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 299 insertions(+) create mode 100644 src/stkagent.c (limited to 'src/stkagent.c') diff --git a/src/stkagent.c b/src/stkagent.c new file mode 100644 index 00000000..d49fec39 --- /dev/null +++ b/src/stkagent.c @@ -0,0 +1,299 @@ +/* + * + * oFono - Open Source Telephony + * + * Copyright (C) 2008-2010 Intel Corporation. All rights reserved. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * + * This program 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 this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + * + */ + +#ifdef HAVE_CONFIG_H +#include +#endif + +#define _GNU_SOURCE +#include +#include + +#include +#include + +#include "ofono.h" + +#include "stkagent.h" + +typedef void (*stk_agent_request_return)(struct stk_agent *agent, + enum stk_agent_result result, + DBusMessage *reply); + +struct stk_agent { + char *path; + char *bus; + DBusMessage *msg; + DBusPendingCall *call; + guint disconnect_watch; + guint cmd_send_source; + stk_agent_request_return cmd_cb; + int cmd_timeout; + stk_agent_generic_cb user_cb; + void *user_data; + ofono_bool_t is_default; + GDestroyNotify destroy_notify; + void *destroy_data; +}; + +#define OFONO_NAVIGATION_PREFIX OFONO_SERVICE ".Error" +#define OFONO_NAVIGATION_GOBACK OFONO_NAVIGATION_PREFIX ".GoBack" +#define OFONO_NAVIGATION_TERMINATED OFONO_NAVIGATION_PREFIX ".EndSession" + +static void stk_agent_request_send_cancel(struct stk_agent *agent) +{ + DBusConnection *conn = ofono_dbus_get_connection(); + DBusMessage *message; + + message = dbus_message_new_method_call(agent->bus, agent->path, + OFONO_SIM_APP_INTERFACE, + "Cancel"); + if (message == NULL) + return; + + dbus_message_set_no_reply(message, TRUE); + + g_dbus_send_message(conn, message); +} + +static void stk_agent_request_end(struct stk_agent *agent) +{ + agent->cmd_cb = NULL; + + if (agent->cmd_send_source) { + g_source_remove(agent->cmd_send_source); + agent->cmd_send_source = 0; + } + + if (agent->msg) { + dbus_message_unref(agent->msg); + agent->msg = NULL; + } + + if (agent->call) { + dbus_pending_call_cancel(agent->call); + dbus_pending_call_unref(agent->call); + agent->call = NULL; + } +} + +ofono_bool_t stk_agent_busy(struct stk_agent *agent) +{ + return agent->cmd_cb != NULL; +} + +ofono_bool_t stk_agent_matches(struct stk_agent *agent, + const char *path, const char *sender) +{ + return !strcmp(agent->path, path) && !strcmp(agent->bus, sender); +} + +void stk_agent_set_destroy_watch(struct stk_agent *agent, GDestroyNotify notify, + void *user_data) +{ + agent->destroy_notify = notify; + agent->destroy_data = user_data; +} + +void stk_agent_request_cancel(struct stk_agent *agent) +{ + if (!stk_agent_busy(agent)) + return; + + agent->cmd_cb(agent, STK_AGENT_RESULT_CANCEL, NULL); + + stk_agent_request_end(agent); + + stk_agent_request_send_cancel(agent); +} + +static void stk_agent_request_terminate(struct stk_agent *agent) +{ + agent->cmd_cb(agent, STK_AGENT_RESULT_TERMINATE, NULL); + + stk_agent_request_end(agent); +} + +void stk_agent_remove(struct stk_agent *agent) +{ + DBusConnection *conn = ofono_dbus_get_connection(); + + if (agent->disconnect_watch) { + DBusMessage *message; + + if (stk_agent_busy(agent)) { + stk_agent_request_terminate(agent); + + stk_agent_request_send_cancel(agent); + } + + message = dbus_message_new_method_call(agent->bus, agent->path, + OFONO_SIM_APP_INTERFACE, + "Release"); + if (message) { + dbus_message_set_no_reply(message, TRUE); + + g_dbus_send_message(conn, message); + } + + g_dbus_remove_watch(conn, agent->disconnect_watch); + agent->disconnect_watch = 0; + } else { + if (stk_agent_busy(agent)) + stk_agent_request_terminate(agent); + } + + if (agent->destroy_notify) + agent->destroy_notify(agent->destroy_data); + + g_free(agent->path); + g_free(agent->bus); + g_free(agent); +} + +static void stk_agent_request_reply_handle(DBusPendingCall *call, void *data) +{ + struct stk_agent *agent = data; + DBusError err; + DBusMessage *reply = dbus_pending_call_steal_reply(call); + enum stk_agent_result result = STK_AGENT_RESULT_OK; + + dbus_error_init(&err); + if (dbus_set_error_from_message(&err, reply)) { + ofono_error("SimAppAgent %s replied with error %s, %s", + agent->path, err.name, err.message); + + if (g_str_equal(err.name, DBUS_ERROR_NO_REPLY)) + result = STK_AGENT_RESULT_TIMEOUT; + if (g_str_equal(err.name, OFONO_NAVIGATION_GOBACK)) + result = STK_AGENT_RESULT_BACK; + else + result = STK_AGENT_RESULT_TERMINATE; + + dbus_error_free(&err); + } + + agent->cmd_cb(agent, result, reply); + + stk_agent_request_end(agent); + + dbus_message_unref(reply); + + if (result != STK_AGENT_RESULT_TERMINATE) + return; + + if (agent->is_default) + return; + + stk_agent_remove(agent); +} + +static gboolean stk_agent_request_send(gpointer user_data) +{ + struct stk_agent *agent = user_data; + DBusConnection *conn = ofono_dbus_get_connection(); + + agent->cmd_send_source = 0; + + if (dbus_connection_send_with_reply(conn, agent->msg, &agent->call, + agent->cmd_timeout) == FALSE || + agent->call == NULL) { + ofono_error("Couldn't send a method call"); + + stk_agent_request_terminate(agent); + + return FALSE; + } + + dbus_pending_call_set_notify(agent->call, + stk_agent_request_reply_handle, + agent, NULL); + + return FALSE; +} + +static gboolean stk_agent_request_start(struct stk_agent *agent, + const char *method, + stk_agent_request_return cb, + stk_agent_generic_cb user_cb, + void *user_data, int timeout) +{ + if (agent == NULL) { + cb(agent, STK_AGENT_RESULT_TERMINATE, NULL); + + return FALSE; + } + + agent->msg = dbus_message_new_method_call(agent->bus, agent->path, + OFONO_SIM_APP_INTERFACE, + method); + if (agent->msg == NULL) { + ofono_error("Couldn't make a DBusMessage"); + + cb(agent, STK_AGENT_RESULT_TERMINATE, NULL); + + return FALSE; + } + + if (stk_agent_busy(agent)) + stk_agent_request_cancel(agent); + + agent->cmd_cb = cb; + agent->cmd_timeout = timeout; + agent->user_cb = user_cb; + agent->user_data = user_data; + + agent->cmd_send_source = g_timeout_add(0, stk_agent_request_send, + agent); + + return TRUE; +} + +static void stk_agent_disconnect_cb(DBusConnection *conn, void *user_data) +{ + struct stk_agent *agent = user_data; + + ofono_debug("Agent exited without calling Unregister"); + + agent->disconnect_watch = 0; + + stk_agent_remove(user_data); +} + +struct stk_agent *stk_agent_new(const char *path, const char *sender, + ofono_bool_t is_default) +{ + struct stk_agent *agent = g_try_new0(struct stk_agent, 1); + DBusConnection *conn = ofono_dbus_get_connection(); + + if (!agent) + return NULL; + + agent->path = g_strdup(path); + agent->bus = g_strdup(sender); + agent->is_default = is_default; + + agent->disconnect_watch = g_dbus_add_disconnect_watch(conn, sender, + stk_agent_disconnect_cb, + agent, NULL); + + return agent; +} -- cgit v1.2.3