Some Audio error handling fixes.

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Hi all,

While running tests on bluez-utils lately i found a number of big and
little error handling issues.
Attached patchset fixes all of them :-)

Can anyone have a look to it ?

While reading the latest code, i noticed common/error.{c, h} is gone...
There's a new one in src/, but with only one generic
error handling routine. I have the feeling this is a big step backwards,
as DBUS error names get duplicated into each service
again and again, paving the way for un unmanageable level of error
strings fragmentation :-( What do you guys think ?

Cheers,

Fabien

>From a22fa4ea791b5555673cdb1729f8d72510fbb74f Mon Sep 17 00:00:00 2001
From: Fabien Chevalier <fabchevalier@xxxxxxx>
Date: Sat, 13 Sep 2008 17:11:08 +0200
Subject: [PATCH] Error code fixes

In case of socket errors, we used to return a positive value
where the convention is to return negative values only
---
 audio/avdtp.c |   10 +++++-----
 1 files changed, 5 insertions(+), 5 deletions(-)

diff --git a/audio/avdtp.c b/audio/avdtp.c
index 592322f..ae56910 100644
--- a/audio/avdtp.c
+++ b/audio/avdtp.c
@@ -1380,7 +1380,7 @@ static gboolean avdtp_parse_cmd(struct avdtp *session,
 		debug("Received DISCOVER_CMD");
 		return avdtp_discover_cmd(session, (void *) header, size);
 	case AVDTP_GET_CAPABILITIES:
-		debug("Received  GET_CAPABILITIES_CMD");
+		debug("Received	GET_CAPABILITIES_CMD");
 		return avdtp_getcap_cmd(session, (void *) header, size);
 	case AVDTP_SET_CONFIGURATION:
 		debug("Received SET_CONFIGURATION_CMD");
@@ -1559,9 +1559,9 @@ static void l2cap_connect_cb(GIOChannel *chan, int err, const bdaddr_t *src,
 	len = sizeof(l2o);
 	if (getsockopt(sk, SOL_L2CAP, L2CAP_OPTIONS, &l2o,
 				&len) < 0) {
-		err = errno;
-		error("getsockopt(L2CAP_OPTIONS): %s (%d)", strerror(err),
-				err);
+		err = -errno;
+		error("getsockopt(L2CAP_OPTIONS): %s (%d)", strerror(-err),
+				-err);
 		goto failed;
 	}
 
@@ -1598,7 +1598,7 @@ failed:
 					AVDTP_STATE_IDLE);
 		session->pending_open = NULL;
 	} else
-		connection_lost(session, -err);
+		connection_lost(session, err);
 
 	return;
 }
-- 
1.5.6.5


>From dbaed0dc30ebe2a4503a43d2e8e9fd69f1eced2d Mon Sep 17 00:00:00 2001
From: Fabien Chevalier <fabchevalier@xxxxxxx>
Date: Sat, 13 Sep 2008 17:13:27 +0200
Subject: [PATCH] Connect() fix.

In case we are unable to connect the sink, we forget to send DBUS reply.
Caller is stuck forever...
---
 audio/sink.c |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/audio/sink.c b/audio/sink.c
index c6d2dc4..e79b9f1 100644
--- a/audio/sink.c
+++ b/audio/sink.c
@@ -381,11 +381,11 @@ static void discovery_complete(struct avdtp *session, GSList *seps, struct avdtp
 	return;
 
 failed:
-	pending_request_free(pending);
+	error_failed(pending->conn, pending->msg, "Stream setup failed");
+ 	pending_request_free(pending);
 	sink->connect = NULL;
 	avdtp_unref(sink->session);
 	sink->session = NULL;
-	error_failed(pending->conn, pending->msg, "Stream setup failed");
 }
 
 static DBusMessage *sink_connect(DBusConnection *conn,
-- 
1.5.6.5


>From 6a3a4f1229728754e01f3bc7911c3d508348a56f Mon Sep 17 00:00:00 2001
From: Fabien Chevalier <fabchevalier@xxxxxxx>
Date: Sat, 13 Sep 2008 17:14:34 +0200
Subject: [PATCH] Error value fixes.

In case the HSP/HFP headset is down, we return "not supported" : this is non-sense :
change that to connection attempt failed
---
 audio/headset.c |    9 +++++++--
 1 files changed, 7 insertions(+), 2 deletions(-)

diff --git a/audio/headset.c b/audio/headset.c
index 102d0bc..45bcf34 100644
--- a/audio/headset.c
+++ b/audio/headset.c
@@ -1074,7 +1074,9 @@ static void get_record_cb(sdp_list_t *recs, int err, gpointer user_data)
 	if (err < 0) {
 		error("Unable to get service record: %s (%d)", strerror(-err),
 			-err);
-		goto failed_not_supported;
+		error_connection_attempt_failed(dev->conn, p->msg, p->err);
+
+		goto failed;
 	}
 
 	if (!recs || !recs->data) {
@@ -1140,10 +1142,13 @@ static void get_record_cb(sdp_list_t *recs, int err, gpointer user_data)
 failed_not_supported:
 	if (p->msg) {
 		error_not_supported(dev->conn, p->msg);
+	}
+failed:
+	if (p->msg) {
 		dbus_message_unref(p->msg);
 		p->msg = NULL;
 	}
-failed:
+
 	if (classes)
 		sdp_list_free(classes, free);
 	pending_connect_finalize(dev);
-- 
1.5.6.5


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