This patch adds an "int err" argument to the disconnect callback.
shared/att obtains the value of SO_ERROR option for the underlying
fd and passes it to the callbacks.
---
src/shared/att.c | 25 ++++++++++++++++++++-----
src/shared/att.h | 2 +-
src/shared/gatt-client.c | 2 +-
tools/btgatt-client.c | 4 ++--
tools/btgatt-server.c | 4 ++--
5 files changed, 26 insertions(+), 11 deletions(-)
diff --git a/src/shared/att.c b/src/shared/att.c
index 447863d..6a733fa 100644
--- a/src/shared/att.c
+++ b/src/shared/att.c
@@ -502,28 +502,43 @@ static void wakeup_writer(struct bt_att *att)
static void disconn_handler(void *data, void *user_data)
{
struct att_disconn *disconn = data;
+ int err = PTR_TO_INT(user_data);
if (disconn->removed)
return;
if (disconn->callback)
- disconn->callback(disconn->user_data);
+ disconn->callback(err, disconn->user_data);
}
static bool disconnect_cb(struct io *io, void *user_data)
{
struct bt_att *att = user_data;
+ int err;
+ socklen_t len;
- io_destroy(att->io);
- att->io = NULL;
+ len = sizeof(err);
+
+ if (getsockopt(att->fd, SOL_SOCKET, SO_ERROR, &err, &len) < 0) {
+ util_debug(att->debug_callback, att->debug_data,
+ "Failed to obtain disconnect error: %s",
+ strerror(errno));
+ err = 0;
+ }
util_debug(att->debug_callback, att->debug_data,
- "Physical link disconnected");
+ "Physical link disconnected: %s",
+ strerror(err));
+
+ io_destroy(att->io);
+ att->io = NULL;
bt_att_cancel_all(att);
bt_att_ref(att);
- queue_foreach(att->disconn_list, disconn_handler, NULL);
+
+ queue_foreach(att->disconn_list, disconn_handler, INT_TO_PTR(err));
+
bt_att_unregister_all(att);
bt_att_unref(att);
diff --git a/src/shared/att.h b/src/shared/att.h
index 99b5a5b..cd00a1e 100644
--- a/src/shared/att.h
+++ b/src/shared/att.h
@@ -43,7 +43,7 @@ typedef void (*bt_att_destroy_func_t)(void *user_data);
typedef void (*bt_att_debug_func_t)(const char *str, void *user_data);
typedef void (*bt_att_timeout_func_t)(unsigned int id, uint8_t opcode,
void *user_data);
-typedef void (*bt_att_disconnect_func_t)(void *user_data);
+typedef void (*bt_att_disconnect_func_t)(int err, void *user_data);
bool bt_att_set_debug(struct bt_att *att, bt_att_debug_func_t callback,
void *user_data, bt_att_destroy_func_t destroy);
diff --git a/src/shared/gatt-client.c b/src/shared/gatt-client.c
index a15f3b8..41df669 100644
--- a/src/shared/gatt-client.c
+++ b/src/shared/gatt-client.c
@@ -1436,7 +1436,7 @@ static void bt_gatt_client_free(struct bt_gatt_client *client)
free(client);
}
-static void att_disconnect_cb(void *user_data)
+static void att_disconnect_cb(int err, void *user_data)
{
struct bt_gatt_client *client = user_data;
bool in_init = client->in_init;
diff --git a/tools/btgatt-client.c b/tools/btgatt-client.c
index 015142d..e2e0537 100644
--- a/tools/btgatt-client.c
+++ b/tools/btgatt-client.c
@@ -74,9 +74,9 @@ static void print_prompt(void)
fflush(stdout);
}
-static void att_disconnect_cb(void *user_data)
+static void att_disconnect_cb(int err, void *user_data)
{
- printf("Device disconnected\n");
+ printf("Device disconnected: %s\n", strerror(err));
mainloop_quit();
}
diff --git a/tools/btgatt-server.c b/tools/btgatt-server.c
index 1a9b9fb..f6ad8c3 100644
--- a/tools/btgatt-server.c
+++ b/tools/btgatt-server.c
@@ -101,9 +101,9 @@ static void print_prompt(void)
fflush(stdout);
}
-static void att_disconnect_cb(void *user_data)
+static void att_disconnect_cb(int err, void *user_data)
{
- printf("Device disconnected\n");
+ printf("Device disconnected: %s\n", strerror(err));
mainloop_quit();
}
--
2.2.0.rc0.207.ga3a616c
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