[PATCH 2/2] coex: coex agent implementation

[Antara Borwankar]

From: Antara <***@intel.com>

Added implementation for coex agent
---
src/coexagent.c | 385 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++
src/coexagent.h | 77 ++++++++++++
src/ofono.conf | 1 +
3 files changed, 463 insertions(+)
create mode 100644 src/coexagent.c
create mode 100644 src/coexagent.h

diff --git a/src/coexagent.c b/src/coexagent.c
new file mode 100644
index 0000000..d2d6eac
--- /dev/null
+++ b/src/coexagent.c
@@ -0,0 +1,385 @@
+/*
+ *
+ * oFono - Open Source Telephony
+ *
+ * Copyright (C) 2008-2011 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 <config.h>
+#endif
+
+#define _GNU_SOURCE
+#include <stdint.h>
+#include <string.h>
+#include <errno.h>
+
+#include <glib.h>
+#include <gdbus.h>
+
+#include "ofono.h"
+
+#include "common.h"
+#include "coexagent.h"
+
+#define OFONO_COEX_AGENT_INTERFACE OFONO_SERVICE ".LTECoexAgent"
+#define OFONO_COEX_INTERFACE OFONO_SERVICE ".LTECoex"
+
+struct coex_agent {
+ char *path;
+ char *bus;
+ guint disconnect_watch;
+ ofono_bool_t remove_on_terminate;
+ ofono_destroy_func removed_cb;
+ void *removed_data;
+ DBusMessage *msg;
+ DBusPendingCall *call;
+ void *user_data;
+ int min_length;
+ int max_length;
+ ofono_bool_t hidden_entry;
+ ofono_destroy_func user_destroy;
+};
+
+#define CALLBACK_END() \
+done: \
+ if (result == COEX_AGENT_RESULT_TERMINATE && \
+ agent->remove_on_terminate) \
+ remove_agent = TRUE; \
+ else \
+ remove_agent = FALSE; \
+ \
+error: \
+ coex_agent_request_end(agent); \
+ dbus_message_unref(reply); \
+ \
+ if (remove_agent) \
+ coex_agent_free(agent) \
+
+ofono_bool_t coex_agent_matches(struct coex_agent *agent,
+ const char *path, const char *sender)
+{
+ return !strcmp(agent->path, path) && !strcmp(agent->bus, sender);
+}
+
+static int check_error(struct coex_agent *agent, DBusMessage *reply,
+ enum coex_agent_result *out_result)
+{
+ DBusError err;
+ int result = 0;
+
+ dbus_error_init(&err);
+
+ if (dbus_set_error_from_message(&err, reply) == FALSE) {
+ *out_result = COEX_AGENT_RESULT_OK;
+ return 0;
+ }
+
+ ofono_debug("CoexAgent %s replied with error %s, %s",
+ agent->path, err.name, err.message);
+
+ result = -EINVAL;
+
+ dbus_error_free(&err);
+ return result;
+}
+
+void coex_agent_set_removed_notify(struct coex_agent *agent,
+ ofono_destroy_func destroy,
+ void *user_data)
+{
+ agent->removed_cb = destroy;
+ agent->removed_data = user_data;
+}
+
+static void coex_agent_send_noreply(struct coex_agent *agent, const char *method)
+{
+ DBusConnection *conn = ofono_dbus_get_connection();
+ DBusMessage *message;
+
+ message = dbus_message_new_method_call(agent->bus, agent->path,
+ OFONO_COEX_INTERFACE,
+ method);
+ if (message == NULL)
+ return;
+
+ dbus_message_set_no_reply(message, TRUE);
+
+ g_dbus_send_message(conn, message);
+}
+
+void coex_agent_send_release(struct coex_agent *agent)
+{
+ coex_agent_send_noreply(agent, "Release");
+}
+
+static void coex_agent_request_end(struct coex_agent *agent)
+{
+ if (agent->msg) {
+ dbus_message_unref(agent->msg);
+ agent->msg = NULL;
+ }
+
+ if (agent->call) {
+ dbus_pending_call_unref(agent->call);
+ agent->call = NULL;
+ }
+
+ if (agent->user_destroy)
+ agent->user_destroy(agent->user_data);
+
+ agent->user_destroy = NULL;
+ agent->user_data = NULL;
+}
+
+void coex_agent_free(struct coex_agent *agent)
+{
+ DBusConnection *conn = ofono_dbus_get_connection();
+
+ if (agent->disconnect_watch) {
+ coex_agent_send_release(agent);
+
+ g_dbus_remove_watch(conn, agent->disconnect_watch);
+ agent->disconnect_watch = 0;
+ }
+
+ if (agent->removed_cb)
+ agent->removed_cb(agent->removed_data);
+
+ g_free(agent->path);
+ g_free(agent->bus);
+ g_free(agent);
+}
+
+static void coex_agent_disconnect_cb(DBusConnection *conn, void *user_data)
+{
+ struct coex_agent *agent = user_data;
+
+ ofono_debug("Agent exited without calling Unregister");
+
+ agent->disconnect_watch = 0;
+
+ coex_agent_free(agent);
+}
+
+struct coex_agent* coex_agent_new(const char *path, const char *sender,
+ ofono_bool_t remove_on_terminate)
+{
+ struct coex_agent* agent = g_try_new0(struct coex_agent, 1);
+ DBusConnection *conn = ofono_dbus_get_connection();
+
+ DBG("");
+ if (agent == NULL)
+ return NULL;
+
+ agent->path = g_strdup(path);
+ agent->bus = g_strdup(sender);
+
+ agent->remove_on_terminate = remove_on_terminate;
+
+ agent->disconnect_watch = g_dbus_add_disconnect_watch(conn, sender,
+ coex_agent_disconnect_cb,
+ agent, NULL);
+
+ return agent;
+}
+
+static void coex_agent_coex_wlan_notify_cb(DBusPendingCall *call, void *data)
+{
+ struct coex_agent *agent = data;
+ DBusMessage *reply = dbus_pending_call_steal_reply(call);
+ enum coex_agent_result result;
+ gboolean remove_agent;
+
+ DBG("");
+ if (check_error(agent, reply, &result) == -EINVAL) {
+ remove_agent = TRUE;
+ goto error;
+ }
+
+ if (result != COEX_AGENT_RESULT_OK) {
+ goto done;
+ }
+
+ if (dbus_message_get_args(reply, NULL, DBUS_TYPE_INVALID) == FALSE) {
+ ofono_error("Can't parse the reply to DisplayText()");
+ remove_agent = TRUE;
+ goto error;
+ }
+
+ CALLBACK_END();
+}
+
+int coex_agent_coex_wlan_notify(struct coex_agent *agent,
+ const struct wl_coex_info wlan_info,
+ ofono_bool_t urgent,
+ void *user_data, ofono_destroy_func destroy)
+{
+ DBusConnection *conn = ofono_dbus_get_connection();
+ DBusMessageIter wl_args, wl_dict, wl_array;
+ const dbus_int32_t *pwl_array = wlan_info.safe_vector;
+ dbus_int32_t value;
+
+ agent->msg = dbus_message_new_method_call(agent->bus, agent->path,
+ OFONO_COEX_AGENT_INTERFACE,
+ "ReceiveWiFiNotification");
+ if (agent->msg == NULL)
+ return -ENOMEM;
+
+ dbus_message_iter_init_append(agent->msg, &wl_args);
+
+ dbus_message_iter_open_container(&wl_args, DBUS_TYPE_ARRAY,
+ DBUS_TYPE_INT32_AS_STRING, &wl_array);
+ dbus_message_iter_append_fixed_array(&wl_array, DBUS_TYPE_INT32,
+ &pwl_array, MAX_WL_SAFE_VECTOR);
+
+ dbus_message_iter_close_container(&wl_args, &wl_array);
+
+ dbus_message_iter_open_container(&wl_args, DBUS_TYPE_ARRAY,
+ "{sv}", &wl_dict);
+
+ value = wlan_info.safe_tx_min;
+ ofono_dbus_dict_append(&wl_dict, "SafeTxMin",
+ DBUS_TYPE_UINT32, &value);
+ value = wlan_info.safe_tx_max;
+ ofono_dbus_dict_append(&wl_dict, "SafeTxMax",
+ DBUS_TYPE_UINT32, &value);
+ value = wlan_info.safe_rx_min;
+ ofono_dbus_dict_append(&wl_dict, "SafeRxMin",
+ DBUS_TYPE_UINT32, &value);
+ value = wlan_info.safe_rx_max;
+ ofono_dbus_dict_append(&wl_dict, "SafeRxMax",
+ DBUS_TYPE_UINT32, &value);
+ value = wlan_info.num_safe_vector;
+ ofono_dbus_dict_append(&wl_dict, "NumSafeVector",
+ DBUS_TYPE_UINT32, &value);
+
+ dbus_message_iter_close_container(&wl_args, &wl_dict);
+
+ if (dbus_connection_send_with_reply(conn, agent->msg, &agent->call,
+ -1) == FALSE ||
+ agent->call == NULL)
+ return -EIO;
+
+ agent->user_data = user_data;
+ agent->user_destroy = destroy;
+
+ dbus_pending_call_set_notify(agent->call, coex_agent_coex_wlan_notify_cb,
+ agent, NULL);
+
+ return 0;
+}
+
+static void coex_agent_coex_bt_notify_cb(DBusPendingCall *call, void *data)
+{
+ struct coex_agent *agent = data;
+ DBusMessage *reply = dbus_pending_call_steal_reply(call);
+ enum coex_agent_result result;
+ gboolean remove_agent;
+
+ DBG("");
+ if (check_error(agent, reply,&result) == -EINVAL) {
+ remove_agent = TRUE;
+ goto error;
+ }
+
+ if (result != COEX_AGENT_RESULT_OK) {
+ goto done;
+ }
+
+ if (dbus_message_get_args(reply, NULL, DBUS_TYPE_INVALID) == FALSE) {
+ ofono_error("Can't parse the reply to DisplayText()");
+ remove_agent = TRUE;
+ goto error;
+ }
+
+ CALLBACK_END();
+}
+
+int coex_agent_coex_bt_notify(struct coex_agent *agent,
+ const struct bt_coex_info bt_info,
+ ofono_bool_t urgent,
+ void *user_data, ofono_destroy_func destroy)
+{
+ DBusConnection *conn = ofono_dbus_get_connection();
+ DBusMessageIter bt_args, bt_dict, bt_array;
+ const dbus_int32_t *pbt_array = bt_info.safe_vector;
+ int len = MAX_BT_SAFE_VECTOR;
+ dbus_int32_t value;
+
+ agent->msg = dbus_message_new_method_call(agent->bus, agent->path,
+ OFONO_COEX_AGENT_INTERFACE,
+ "ReceiveBTNotification");
+
+ if (agent->msg == NULL)
+ return -ENOMEM;
+
+ pbt_array = bt_info.safe_vector;
+
+ for(len = 0 ; len < MAX_BT_SAFE_VECTOR; len++)
+ DBG("pbt_array[%d] = %d", len, pbt_array[len]);
+
+ dbus_message_iter_init_append(agent->msg, &bt_args);
+
+ dbus_message_iter_open_container(&bt_args, DBUS_TYPE_ARRAY,
+ DBUS_TYPE_INT32_AS_STRING, &bt_array);
+
+ dbus_message_iter_append_fixed_array(&bt_array, DBUS_TYPE_INT32,
+ &pbt_array, len);
+
+ dbus_message_iter_close_container(&bt_args, &bt_array);
+
+ dbus_message_iter_open_container(&bt_args,
+ DBUS_TYPE_ARRAY, "{sv}", &bt_dict);
+
+ value = bt_info.safe_tx_min;
+ DBG("value = %d", value);
+ ofono_dbus_dict_append(&bt_dict, "SafeTxMin",
+ DBUS_TYPE_UINT32, &value);
+ value = bt_info.safe_tx_max;
+ DBG("value = %d", value);
+ ofono_dbus_dict_append(&bt_dict, "SafeTxMax",
+ DBUS_TYPE_UINT32, &value);
+ value = bt_info.safe_rx_min;
+ DBG("value = %d", value);
+ ofono_dbus_dict_append(&bt_dict, "SafeRxMin",
+ DBUS_TYPE_UINT32, &value);
+ value = bt_info.safe_rx_max;
+ DBG("value = %d", value);
+ ofono_dbus_dict_append(&bt_dict, "SafeRxMax",
+ DBUS_TYPE_UINT32, &value);
+ value = bt_info.num_safe_vector;
+ DBG("value = %d", value);
+ ofono_dbus_dict_append(&bt_dict, "NumSafeVector",
+ DBUS_TYPE_UINT32, &value);
+
+ dbus_message_iter_close_container(&bt_args, &bt_dict);
+
+ if ((dbus_connection_send_with_reply(conn, agent->msg,
+ &agent->call, -1) == FALSE) ||
+ agent->call == NULL) {
+ return -EIO;
+ }
+
+ agent->user_data = user_data;
+ agent->user_destroy = destroy;
+
+ dbus_pending_call_set_notify(agent->call, coex_agent_coex_bt_notify_cb,
+ agent, NULL);
+
+ return 0;
+}
diff --git a/src/coexagent.h b/src/coexagent.h
new file mode 100644
index 0000000..2ba80ba
--- /dev/null
+++ b/src/coexagent.h
@@ -0,0 +1,77 @@
+/*
+ *
+ * oFono - Open Source Telephony
+ *
+ * Copyright (C) 2008-2011 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
+ *
+ */
+#ifndef COEXAGENT_H
+#define COEXAGENT_H
+struct coex_agent;
+
+#define MAX_BT_SAFE_VECTOR 15
+#define MAX_WL_SAFE_VECTOR 13
+
+enum coex_agent_result {
+ COEX_AGENT_RESULT_OK,
+ COEX_AGENT_RESULT_BACK,
+ COEX_AGENT_RESULT_TERMINATE,
+ COEX_AGENT_RESULT_TIMEOUT,
+ COEX_AGENT_RESULT_BUSY,
+};
+
+struct bt_coex_info {
+ int safe_tx_min;
+ int safe_tx_max;
+ int safe_rx_min;
+ int safe_rx_max;
+ int safe_vector[MAX_BT_SAFE_VECTOR];
+ int num_safe_vector;
+};
+
+struct wl_coex_info {
+ int safe_tx_min;
+ int safe_tx_max;
+ int safe_rx_min;
+ int safe_rx_max;
+ int safe_vector[MAX_BT_SAFE_VECTOR];
+ int num_safe_vector;
+};
+
+struct coex_agent* coex_agent_new(const char *path, const char *sender,
+ ofono_bool_t remove_on_terminate);
+
+void coex_agent_set_removed_notify(struct coex_agent *agent,
+ ofono_destroy_func destroy, void *user_data);
+
+ofono_bool_t coex_agent_matches(struct coex_agent *agent,
+ const char *path, const char *sender);
+
+int coex_agent_coex_bt_notify(struct coex_agent *agent,
+ const struct bt_coex_info bt_info,
+ ofono_bool_t urgent,
+ void *user_data, ofono_destroy_func destroy);
+
+int coex_agent_coex_wlan_notify(struct coex_agent *agent,
+ const struct wl_coex_info wlan_info,
+ ofono_bool_t urgent,
+ void *user_data, ofono_destroy_func destroy);
+
+void coex_agent_send_release(struct coex_agent *agent);
+
+void coex_agent_free(struct coex_agent *agent);
+
+#endif
diff --git a/src/ofono.conf b/src/ofono.conf
index 61e0bde..5a3afaa 100644
--- a/src/ofono.conf
+++ b/src/ofono.conf
@@ -16,6 +16,7 @@
<allow send_interface="org.ofono.PositioningRequestAgent"/>
<allow send_interface="org.ofono.HandsfreeAudioAgent"/>
<allow send_interface="org.ofono.NetworkMonitorAgent"/>
+ <allow send_interface="org.ofono.LTECoexAgent"/>
</policy>

<policy at_console="true">