2011-03-25 16:44:07

by Dmitriy Paliy

[permalink] [raw]
Subject: [PATCH 0/2 v2] Add handling of pending D-Bus calls in maemo6

Hi,

Canceling of requests to csd is done in more correct way in this proposal.

BR,
Dmitriy



2011-03-27 19:50:32

by Johan Hedberg

[permalink] [raw]
Subject: Re: [PATCH 0/2 v2] Add handling of pending D-Bus calls in maemo6

Hi Dmitriy,

On Fri, Mar 25, 2011, Dmitriy Paliy wrote:
> Canceling of requests to csd is done in more correct way in this proposal.

Thanks. Both patches have been pushed upstream.

Johan

2011-03-25 16:44:09

by Dmitriy Paliy

[permalink] [raw]
Subject: [PATCH 2/2] Add ERROR response on AT+BLDN command for maemo6

Response on AT+BLDN command in maemo6 telephony driver is added to be
sent after confirmation from csd back-end. Both ERROR or OK codes are
sent only after asynchronous response on D-Bus call is available.
---
audio/telephony-maemo6.c | 26 +++++++++++++++++++++++---
1 files changed, 23 insertions(+), 3 deletions(-)

diff --git a/audio/telephony-maemo6.c b/audio/telephony-maemo6.c
index 9650cba..0cef7dd 100644
--- a/audio/telephony-maemo6.c
+++ b/audio/telephony-maemo6.c
@@ -618,6 +618,28 @@ static void remove_pending(DBusPendingCall *call)
pending_req_finalize(req);
}

+static void last_number_call_reply(DBusPendingCall *call, void *user_data)
+{
+ DBusError err;
+ DBusMessage *reply;
+ void *telephony_device = user_data;
+
+ reply = dbus_pending_call_steal_reply(call);
+
+ dbus_error_init(&err);
+ if (dbus_set_error_from_message(&err, reply)) {
+ error("csd replied with an error: %s, %s",
+ err.name, err.message);
+ dbus_error_free(&err);
+ telephony_dial_number_rsp(telephony_device,
+ CME_ERROR_AG_FAILURE);
+ } else
+ telephony_dial_number_rsp(telephony_device, CME_ERROR_NONE);
+
+ dbus_message_unref(reply);
+ remove_pending(call);
+}
+
void telephony_last_dialed_number_req(void *telephony_device)
{
int ret;
@@ -626,13 +648,11 @@ void telephony_last_dialed_number_req(void *telephony_device)

ret = send_method_call(CSD_CALL_BUS_NAME, CSD_CALL_PATH,
CSD_CALL_INTERFACE, "CreateFromLast",
- NULL, NULL,
+ last_number_call_reply, telephony_device,
DBUS_TYPE_INVALID);
if (ret < 0)
telephony_dial_number_rsp(telephony_device,
CME_ERROR_AG_FAILURE);
- else
- telephony_dial_number_rsp(telephony_device, CME_ERROR_NONE);
}

static const char *memory_dial_lookup(int location)
--
1.7.1


2011-03-25 16:44:08

by Dmitriy Paliy

[permalink] [raw]
Subject: [PATCH 1/2] Add handling of pending D-Bus calls in maemo6

Handling of pending D-Bus calls to csd back-end is added maemo6
telephony driver.
---
audio/telephony-maemo6.c | 65 +++++++++++++++++++++++++++++++++++++++------
1 files changed, 56 insertions(+), 9 deletions(-)

diff --git a/audio/telephony-maemo6.c b/audio/telephony-maemo6.c
index 55f6a30..9650cba 100644
--- a/audio/telephony-maemo6.c
+++ b/audio/telephony-maemo6.c
@@ -134,6 +134,11 @@ static struct {
.signal_bars = 0,
};

+struct pending_req {
+ DBusPendingCall *call;
+ void *user_data;
+};
+
static int get_property(const char *iface, const char *prop);

static DBusConnection *connection = NULL;
@@ -443,10 +448,31 @@ void telephony_device_connected(void *telephony_device)
}
}

+static void pending_req_finalize(struct pending_req *req)
+{
+ if (!dbus_pending_call_get_completed(req->call))
+ dbus_pending_call_cancel(req->call);
+
+ dbus_pending_call_unref(req->call);
+ g_free(req);
+}
+
+static void remove_pending_by_data(gpointer data, gpointer user_data)
+{
+ struct pending_req *req = data;
+
+ if (req->user_data == user_data) {
+ pending = g_slist_remove(pending, req);
+ pending_req_finalize(req);
+ }
+}
+
void telephony_device_disconnected(void *telephony_device)
{
DBG("telephony-maemo6: device %p disconnected", telephony_device);
events_enabled = FALSE;
+
+ g_slist_foreach(pending, remove_pending_by_data, telephony_device);
}

void telephony_event_reporting_req(void *telephony_device, int ind)
@@ -529,6 +555,7 @@ static int send_method_call(const char *dest, const char *path,
DBusMessage *msg;
DBusPendingCall *call;
va_list args;
+ struct pending_req *req;

msg = dbus_message_new_method_call(dest, path, interface, method);
if (!msg) {
@@ -558,12 +585,39 @@ static int send_method_call(const char *dest, const char *path,
}

dbus_pending_call_set_notify(call, cb, user_data, NULL);
- pending = g_slist_prepend(pending, call);
+
+ req = g_new0(struct pending_req, 1);
+ req->call = call;
+ req->user_data = user_data;
+
+ pending = g_slist_prepend(pending, req);
dbus_message_unref(msg);

return 0;
}

+static struct pending_req *find_request(const DBusPendingCall *call)
+{
+ GSList *l;
+
+ for (l = pending; l; l = l->next) {
+ struct pending_req *req = l->data;
+
+ if (req->call == call)
+ return req;
+ }
+
+ return NULL;
+}
+
+static void remove_pending(DBusPendingCall *call)
+{
+ struct pending_req *req = find_request(call);
+
+ pending = g_slist_remove(pending, req);
+ pending_req_finalize(req);
+}
+
void telephony_last_dialed_number_req(void *telephony_device)
{
int ret;
@@ -1295,12 +1349,6 @@ static gboolean iter_get_basic_args(DBusMessageIter *iter,
return type == DBUS_TYPE_INVALID ? TRUE : FALSE;
}

-static void remove_pending(DBusPendingCall *call)
-{
- pending = g_slist_remove(pending, call);
- dbus_pending_call_unref(call);
-}
-
static void hal_battery_level_reply(DBusPendingCall *call, void *user_data)
{
DBusError err;
@@ -1910,8 +1958,7 @@ void telephony_exit(void)
g_slist_free(calls);
calls = NULL;

- g_slist_foreach(pending, (GFunc) dbus_pending_call_cancel, NULL);
- g_slist_foreach(pending, (GFunc) dbus_pending_call_unref, NULL);
+ g_slist_foreach(pending, (GFunc) pending_req_finalize, NULL);
g_slist_free(pending);
pending = NULL;

--
1.7.1