2009-07-08 16:01:28

by alok barsode

[permalink] [raw]
Subject: [PATCH 1/2] Adding change_name to hciops plugin.

From: Alok Barsode <[email protected]>

---
plugins/hciops.c | 23 ++++++++++++
src/adapter.c | 105 ++++++++++++++++++++++++++++--------------------------
src/adapter.h | 5 ++-
src/dbus-hci.c | 47 ------------------------
src/dbus-hci.h | 1 -
src/security.c | 7 +++-
6 files changed, 87 insertions(+), 101 deletions(-)

diff --git a/plugins/hciops.c b/plugins/hciops.c
index 659f754..858a346 100644
--- a/plugins/hciops.c
+++ b/plugins/hciops.c
@@ -682,6 +682,28 @@ static int hciops_resolve_name(int index, bdaddr_t *bdaddr)
return err;
}

+static int hciops_change_name(int index, const char *name)
+{
+ change_local_name_cp cp;
+ int dd, err = 0;
+
+ dd = hci_open_dev(index);
+ if (dd < 0)
+ return -EIO;
+
+ memset(&cp, 0, sizeof(cp));
+ strncpy((char *) cp.name, name, sizeof(cp.name));
+
+ err = hci_send_cmd(dd, OGF_HOST_CTL, OCF_CHANGE_LOCAL_NAME,
+ CHANGE_LOCAL_NAME_CP_SIZE, &cp);
+ if (err < 0)
+ err = -errno;
+
+ hci_close_dev(dd);
+
+ return err;
+}
+
static int hciops_cancel_resolve_name(int index, bdaddr_t *bdaddr)
{
remote_name_req_cancel_cp cp;
@@ -717,6 +739,7 @@ static struct btd_adapter_ops hci_ops = {
.stop_discovery = hciops_stop_discovery,
.resolve_name = hciops_resolve_name,
.cancel_resolve_name = hciops_cancel_resolve_name,
+ .change_name = hciops_change_name,
};

static int hciops_init(void)
diff --git a/src/adapter.c b/src/adapter.c
index 289f1f3..9569f2a 100644
--- a/src/adapter.c
+++ b/src/adapter.c
@@ -838,76 +838,93 @@ static void update_ext_inquiry_response(struct btd_adapter *adapter)
hci_close_dev(dd);
}

-void adapter_name_changed(struct btd_adapter *adapter, const char *name)
+void adapter_update_local_name(bdaddr_t *bdaddr, uint8_t status, void *ptr)
{
- struct hci_dev *dev = &adapter->dev;
+ read_local_name_rp rp;
+ struct hci_dev *dev;
+ struct btd_adapter *adapter;
+ gchar *name;

- if (strncmp(name, (char *) dev->name, MAX_NAME_LENGTH) == 0)
+ if (status)
+ return;
+
+ adapter = manager_find_adapter(bdaddr);
+ if (!adapter) {
+ error("Unable to find matching adapter");
return;
+ }

- write_local_name(&adapter->bdaddr, (char *) name);
+ dev = &adapter->dev;

- strncpy((char *) dev->name, name, MAX_NAME_LENGTH);
+ memcpy(&rp, ptr, MAX_NAME_LENGTH);
+ if (strncmp((char *)rp.name, (char *) dev->name, MAX_NAME_LENGTH) == 0)
+ return;
+
+ memcpy(dev->name, rp.name, MAX_NAME_LENGTH);
+
+ write_local_name(bdaddr, (char *) dev->name);

update_ext_inquiry_response(adapter);

- emit_property_changed(connection, adapter->path, ADAPTER_INTERFACE,
+ name = g_strdup((char *)dev->name);
+
+ if (connection)
+ emit_property_changed(connection, adapter->path, ADAPTER_INTERFACE,
"Name", DBUS_TYPE_STRING, &name);
+ g_free(name);
}

-static int adapter_set_name(struct btd_adapter *adapter, const char *name)
+void adapter_setname_complete(bdaddr_t *local, uint8_t status)
{
- struct hci_dev *dev = &adapter->dev;
+ struct btd_adapter *adapter;
int dd, err;

- write_local_name(&adapter->bdaddr, (char *) name);
-
- strncpy((char *) dev->name, name, MAX_NAME_LENGTH);
+ if (status)
+ return;

- if (!adapter->up)
- return 0;
+ adapter = manager_find_adapter(local);
+ if (!adapter) {
+ error("No matching adapter found");
+ return;
+ }

dd = hci_open_dev(adapter->dev_id);
if (dd < 0) {
- err = -errno;
- error("Can't open device hci%d: %s (%d)",
- adapter->dev_id, strerror(errno), errno);
- return err;
+ error("HCI device open failed: hci%d", adapter->dev_id);
+ return;
}

- if (hci_write_local_name(dd, name, HCI_REQ_TIMEOUT) < 0) {
- err = -errno;
- error("Can't write name for hci%d: %s (%d)",
- adapter->dev_id, strerror(errno), errno);
- hci_close_dev(dd);
- return err;
- }
+ err = hci_send_cmd(dd, OGF_HOST_CTL, OCF_READ_LOCAL_NAME, 0, 0);
+ if (err < 0)
+ error("Sending getting name command failed: %s (%d)",
+ strerror(errno), errno);

hci_close_dev(dd);
-
- update_ext_inquiry_response(adapter);
-
- return 0;
}

static DBusMessage *set_name(DBusConnection *conn, DBusMessage *msg,
const char *name, void *data)
{
struct btd_adapter *adapter = data;
- int ecode;
+ struct hci_dev *dev = &adapter->dev;
+ int err;

if (!g_utf8_validate(name, -1, NULL)) {
error("Name change failed: supplied name isn't valid UTF-8");
return invalid_args(msg);
}

- ecode = adapter_set_name(adapter, name);
- if (ecode < 0)
- return failed_strerror(msg, -ecode);
+ if (strncmp(name, (char *) dev->name, MAX_NAME_LENGTH) == 0)
+ goto done;

- emit_property_changed(conn, adapter->path, ADAPTER_INTERFACE,
- "Name", DBUS_TYPE_STRING, &name);
+ if (!adapter->up)
+ return failed_strerror(msg, -EHOSTDOWN);

+ err = adapter_ops->change_name(adapter->dev_id, name);
+ if (err < 0)
+ return failed_strerror(msg, err);
+
+done:
return dbus_message_new_method_return(msg);
}

@@ -1784,12 +1801,8 @@ static int adapter_setup(struct btd_adapter *adapter)
sizeof(events), events);
}

- if (read_local_name(&adapter->bdaddr, name) == 0) {
- memcpy(dev->name, name, MAX_NAME_LENGTH);
- hci_write_local_name(dd, name, HCI_REQ_TIMEOUT);
- }
-
- update_ext_inquiry_response(adapter);
+ if (read_local_name(&adapter->bdaddr, name) == 0)
+ adapter_ops->change_name(adapter->dev_id, name);

inqmode = get_inquiry_mode(dev);
if (inqmode < 1)
@@ -2058,7 +2071,6 @@ int adapter_start(struct btd_adapter *adapter)
struct hci_version ver;
uint8_t features[8];
int dd, err;
- char name[MAX_NAME_LENGTH + 1];

if (hci_devinfo(adapter->dev_id, &di) < 0)
return -errno;
@@ -2120,16 +2132,7 @@ int adapter_start(struct btd_adapter *adapter)
return err;
}

- if (hci_read_local_name(dd, sizeof(name), name,
- HCI_REQ_TIMEOUT) < 0) {
- err = -errno;
- error("Can't read local name on %s: %s (%d)",
- adapter->path, strerror(errno), errno);
- hci_close_dev(dd);
- return err;
- }
-
- memcpy(dev->name, name, MAX_NAME_LENGTH);
+ hci_send_cmd(dd, OGF_HOST_CTL, OCF_READ_LOCAL_NAME, 0, 0);

if (!(features[6] & LMP_SIMPLE_PAIR))
goto setup;
diff --git a/src/adapter.h b/src/adapter.h
index 183af05..eb513fb 100644
--- a/src/adapter.h
+++ b/src/adapter.h
@@ -121,7 +121,9 @@ void adapter_emit_device_found(struct btd_adapter *adapter,
struct remote_dev_info *dev);
void adapter_update_oor_devices(struct btd_adapter *adapter);
void adapter_mode_changed(struct btd_adapter *adapter, uint8_t scan_mode);
-void adapter_name_changed(struct btd_adapter *adapter, const char *name);
+void adapter_setname_complete(bdaddr_t *local, uint8_t status);
+void adapter_update_local_name(bdaddr_t *bdaddr, uint8_t status, void *ptr);
+
struct agent *adapter_get_agent(struct btd_adapter *adapter);
void adapter_add_connection(struct btd_adapter *adapter,
struct btd_device *device, uint16_t handle);
@@ -171,6 +173,7 @@ struct btd_adapter_ops {
int (*stop_discovery) (int index);
int (*resolve_name) (int index, bdaddr_t *bdaddr);
int (*cancel_resolve_name) (int index, bdaddr_t *bdaddr);
+ int (*change_name) (int index, const char *name);
};

int btd_register_adapter_ops(struct btd_adapter_ops *btd_adapter_ops);
diff --git a/src/dbus-hci.c b/src/dbus-hci.c
index 1e6ec43..221c185 100644
--- a/src/dbus-hci.c
+++ b/src/dbus-hci.c
@@ -727,53 +727,6 @@ void hcid_dbus_disconn_complete(bdaddr_t *local, uint8_t status,

/* Section reserved to device HCI callbacks */

-void hcid_dbus_setname_complete(bdaddr_t *local)
-{
- struct btd_adapter *adapter;
- int id, dd = -1;
- read_local_name_rp rp;
- struct hci_request rq;
- const char *pname = (char *) rp.name;
- char name[MAX_NAME_LENGTH + 1];
-
- adapter = manager_find_adapter(local);
- if (!adapter) {
- error("No matching adapter found");
- return;
- }
-
- id = adapter_get_dev_id(adapter);
- dd = hci_open_dev(id);
- if (dd < 0) {
- error("HCI device open failed: hci%d", id);
- memset(&rp, 0, sizeof(rp));
- } else {
- memset(&rq, 0, sizeof(rq));
- rq.ogf = OGF_HOST_CTL;
- rq.ocf = OCF_READ_LOCAL_NAME;
- rq.rparam = &rp;
- rq.rlen = READ_LOCAL_NAME_RP_SIZE;
- rq.event = EVT_CMD_COMPLETE;
-
- if (hci_send_req(dd, &rq, HCI_REQ_TIMEOUT) < 0) {
- error("Sending getting name command failed: %s (%d)",
- strerror(errno), errno);
- rp.name[0] = '\0';
- } else if (rp.status) {
- error("Getting name failed with status 0x%02x",
- rp.status);
- rp.name[0] = '\0';
- }
- hci_close_dev(dd);
- }
-
- strncpy(name, pname, sizeof(name) - 1);
- name[MAX_NAME_LENGTH] = '\0';
- pname = name;
-
- adapter_name_changed(adapter, pname);
-}
-
void hcid_dbus_setscan_enable_complete(bdaddr_t *local)
{
struct btd_adapter *adapter;
diff --git a/src/dbus-hci.h b/src/dbus-hci.h
index d6d9a11..382e59e 100644
--- a/src/dbus-hci.h
+++ b/src/dbus-hci.h
@@ -30,7 +30,6 @@ void hcid_dbus_conn_complete(bdaddr_t *local, uint8_t status, uint16_t handle, b
void hcid_dbus_disconn_complete(bdaddr_t *local, uint8_t status, uint16_t handle, uint8_t reason);
void hcid_dbus_bonding_process_complete(bdaddr_t *local, bdaddr_t *peer, uint8_t status);
void hcid_dbus_simple_pairing_complete(bdaddr_t *local, bdaddr_t *peer, uint8_t status);
-void hcid_dbus_setname_complete(bdaddr_t *local);
void hcid_dbus_setscan_enable_complete(bdaddr_t *local);
void hcid_dbus_write_class_complete(bdaddr_t *local);
void hcid_dbus_write_simple_pairing_mode_complete(bdaddr_t *local);
diff --git a/src/security.c b/src/security.c
index 905cf61..a64585d 100644
--- a/src/security.c
+++ b/src/security.c
@@ -677,7 +677,7 @@ static inline void cmd_complete(int dev, bdaddr_t *sba, void *ptr)
inquiry_complete(sba, status, FALSE);
break;
case cmd_opcode_pack(OGF_HOST_CTL, OCF_CHANGE_LOCAL_NAME):
- hcid_dbus_setname_complete(sba);
+ adapter_setname_complete(sba, status);
break;
case cmd_opcode_pack(OGF_HOST_CTL, OCF_WRITE_SCAN_ENABLE):
hcid_dbus_setscan_enable_complete(sba);
@@ -688,6 +688,11 @@ static inline void cmd_complete(int dev, bdaddr_t *sba, void *ptr)
case cmd_opcode_pack(OGF_HOST_CTL, OCF_WRITE_SIMPLE_PAIRING_MODE):
hcid_dbus_write_simple_pairing_mode_complete(sba);
break;
+ case cmd_opcode_pack(OGF_HOST_CTL, OCF_READ_LOCAL_NAME):
+ status = *((uint8_t *) ptr + EVT_CMD_COMPLETE_SIZE);
+ ptr += sizeof(evt_cmd_complete);
+ adapter_update_local_name(sba, status, ptr);
+ break;
};
}

--
1.5.6.3



2009-07-13 09:39:59

by Johan Hedberg

[permalink] [raw]
Subject: Re: [PATCH 2/2] Adding read_name to hciops plugin.

Hi Alok,

On Wed, Jul 08, 2009, [email protected] wrote:
> From: Alok Barsode <[email protected]>
>
> ---
> plugins/hciops.c | 19 +++++++++++++++++++
> src/adapter.c | 13 +++----------
> src/adapter.h | 1 +
> 3 files changed, 23 insertions(+), 10 deletions(-)

Both patches have been pushed upstream. Thanks!

Johan

2009-07-08 16:01:29

by alok barsode

[permalink] [raw]
Subject: [PATCH 2/2] Adding read_name to hciops plugin.

From: Alok Barsode <[email protected]>

---
plugins/hciops.c | 19 +++++++++++++++++++
src/adapter.c | 13 +++----------
src/adapter.h | 1 +
3 files changed, 23 insertions(+), 10 deletions(-)

diff --git a/plugins/hciops.c b/plugins/hciops.c
index 858a346..7a6ff42 100644
--- a/plugins/hciops.c
+++ b/plugins/hciops.c
@@ -704,6 +704,24 @@ static int hciops_change_name(int index, const char *name)
return err;
}

+static int hciops_read_name(int index)
+{
+ int dd, err = 0;
+
+ dd = hci_open_dev(index);
+ if (dd < 0)
+ return -EIO;
+
+ err = hci_send_cmd(dd, OGF_HOST_CTL, OCF_READ_LOCAL_NAME, 0, 0);
+
+ if (err < 0)
+ err = -errno;
+
+ hci_close_dev(dd);
+
+ return err;
+}
+
static int hciops_cancel_resolve_name(int index, bdaddr_t *bdaddr)
{
remote_name_req_cancel_cp cp;
@@ -740,6 +758,7 @@ static struct btd_adapter_ops hci_ops = {
.resolve_name = hciops_resolve_name,
.cancel_resolve_name = hciops_cancel_resolve_name,
.change_name = hciops_change_name,
+ .read_name = hciops_read_name,
};

static int hciops_init(void)
diff --git a/src/adapter.c b/src/adapter.c
index 9569f2a..37f4495 100644
--- a/src/adapter.c
+++ b/src/adapter.c
@@ -877,7 +877,7 @@ void adapter_update_local_name(bdaddr_t *bdaddr, uint8_t status, void *ptr)
void adapter_setname_complete(bdaddr_t *local, uint8_t status)
{
struct btd_adapter *adapter;
- int dd, err;
+ int err;

if (status)
return;
@@ -888,18 +888,11 @@ void adapter_setname_complete(bdaddr_t *local, uint8_t status)
return;
}

- dd = hci_open_dev(adapter->dev_id);
- if (dd < 0) {
- error("HCI device open failed: hci%d", adapter->dev_id);
- return;
- }
-
- err = hci_send_cmd(dd, OGF_HOST_CTL, OCF_READ_LOCAL_NAME, 0, 0);
+ err = adapter_ops->read_name(adapter->dev_id);
if (err < 0)
error("Sending getting name command failed: %s (%d)",
strerror(errno), errno);

- hci_close_dev(dd);
}

static DBusMessage *set_name(DBusConnection *conn, DBusMessage *msg,
@@ -2132,7 +2125,7 @@ int adapter_start(struct btd_adapter *adapter)
return err;
}

- hci_send_cmd(dd, OGF_HOST_CTL, OCF_READ_LOCAL_NAME, 0, 0);
+ adapter_ops->read_name(adapter->dev_id);

if (!(features[6] & LMP_SIMPLE_PAIR))
goto setup;
diff --git a/src/adapter.h b/src/adapter.h
index eb513fb..65dafef 100644
--- a/src/adapter.h
+++ b/src/adapter.h
@@ -174,6 +174,7 @@ struct btd_adapter_ops {
int (*resolve_name) (int index, bdaddr_t *bdaddr);
int (*cancel_resolve_name) (int index, bdaddr_t *bdaddr);
int (*change_name) (int index, const char *name);
+ int (*read_name) (int index);
};

int btd_register_adapter_ops(struct btd_adapter_ops *btd_adapter_ops);
--
1.5.6.3