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gecko/dom/bluetooth/linux/BluetoothDBusService.cpp

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/* -*- Mode: c++; c-basic-offset: 2; indent-tabs-mode: nil; tab-width: 40 -*- */
/* vim: set ts=2 et sw=2 tw=80: */
/*
** Copyright 2006, The Android Open Source Project
**
** Licensed under the Apache License, Version 2.0 (the "License");
** you may not use this file except in compliance with the License.
** You may obtain a copy of the License at
**
** http://www.apache.org/licenses/LICENSE-2.0
**
** Unless required by applicable law or agreed to in writing, software
** distributed under the License is distributed on an "AS IS" BASIS,
** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
** See the License for the specific language governing permissions and
** limitations under the License.
*/
#include "base/basictypes.h"
#include "BluetoothDBusService.h"
#include "BluetoothTypes.h"
#include "BluetoothReplyRunnable.h"
#include <cstdio>
#include <dbus/dbus.h>
#include "nsIDOMDOMRequest.h"
#include "nsAutoPtr.h"
#include "nsThreadUtils.h"
#include "nsDebug.h"
#include "nsDataHashtable.h"
#include "mozilla/ipc/Socket.h"
#include "mozilla/ipc/DBusThread.h"
#include "mozilla/ipc/DBusUtils.h"
#include "mozilla/ipc/RawDBusConnection.h"
#include "mozilla/Util.h"
/**
* Some rules for dealing with memory in DBus:
* - A DBusError only needs to be deleted if it's been set, not just
* initialized. This is why LOG_AND_FREE... is called only when an error is
* set, and the macro cleans up the error itself.
* - A DBusMessage needs to be unrefed when it is newed explicitly. DBusMessages
* from signals do not need to be unrefed, as they will be cleaned by DBus
* after DBUS_HANDLER_RESULT_HANDLED is returned from the filter.
*/
using namespace mozilla;
using namespace mozilla::ipc;
USING_BLUETOOTH_NAMESPACE
#undef LOG
#if defined(MOZ_WIDGET_GONK)
#include <android/log.h>
#define LOG(args...) __android_log_print(ANDROID_LOG_INFO, "GonkDBus", args);
#else
#define BTDEBUG true
#define LOG(args...) if (BTDEBUG) printf(args);
#endif
#define B2G_AGENT_CAPABILITIES "DisplayYesNo"
#define DBUS_MANAGER_IFACE BLUEZ_DBUS_BASE_IFC ".Manager"
#define DBUS_ADAPTER_IFACE BLUEZ_DBUS_BASE_IFC ".Adapter"
#define DBUS_DEVICE_IFACE BLUEZ_DBUS_BASE_IFC ".Device"
#define DBUS_AGENT_IFACE BLUEZ_DBUS_BASE_IFC ".Agent"
#define BLUEZ_DBUS_BASE_PATH "/org/bluez"
#define BLUEZ_DBUS_BASE_IFC "org.bluez"
#define BLUEZ_ERROR_IFC "org.bluez.Error"
typedef struct {
const char* name;
int type;
} Properties;
static Properties sDeviceProperties[] = {
{"Address", DBUS_TYPE_STRING},
{"Name", DBUS_TYPE_STRING},
{"Icon", DBUS_TYPE_STRING},
{"Class", DBUS_TYPE_UINT32},
{"UUIDs", DBUS_TYPE_ARRAY},
{"Paired", DBUS_TYPE_BOOLEAN},
{"Connected", DBUS_TYPE_BOOLEAN},
{"Trusted", DBUS_TYPE_BOOLEAN},
{"Blocked", DBUS_TYPE_BOOLEAN},
{"Alias", DBUS_TYPE_STRING},
{"Nodes", DBUS_TYPE_ARRAY},
{"Adapter", DBUS_TYPE_OBJECT_PATH},
{"LegacyPairing", DBUS_TYPE_BOOLEAN},
{"RSSI", DBUS_TYPE_INT16},
{"TX", DBUS_TYPE_UINT32},
{"Type", DBUS_TYPE_STRING},
{"Broadcaster", DBUS_TYPE_BOOLEAN},
{"Services", DBUS_TYPE_ARRAY}
};
static Properties sAdapterProperties[] = {
{"Address", DBUS_TYPE_STRING},
{"Name", DBUS_TYPE_STRING},
{"Class", DBUS_TYPE_UINT32},
{"Powered", DBUS_TYPE_BOOLEAN},
{"Discoverable", DBUS_TYPE_BOOLEAN},
{"DiscoverableTimeout", DBUS_TYPE_UINT32},
{"Pairable", DBUS_TYPE_BOOLEAN},
{"PairableTimeout", DBUS_TYPE_UINT32},
{"Discovering", DBUS_TYPE_BOOLEAN},
{"Devices", DBUS_TYPE_ARRAY},
{"UUIDs", DBUS_TYPE_ARRAY},
{"Type", DBUS_TYPE_STRING}
};
static Properties sManagerProperties[] = {
{"Adapters", DBUS_TYPE_ARRAY},
};
static const char* sBluetoothDBusIfaces[] =
{
DBUS_MANAGER_IFACE,
DBUS_ADAPTER_IFACE,
DBUS_DEVICE_IFACE
};
static const char* sBluetoothDBusSignals[] =
{
"type='signal',interface='org.freedesktop.DBus'",
"type='signal',interface='org.bluez.Adapter'",
"type='signal',interface='org.bluez.Manager'",
"type='signal',interface='org.bluez.Device'",
"type='signal',interface='org.bluez.Input'",
"type='signal',interface='org.bluez.Network'",
"type='signal',interface='org.bluez.NetworkServer'",
"type='signal',interface='org.bluez.HealthDevice'",
"type='signal',interface='org.bluez.AudioSink'"
};
/**
* DBus Connection held for the BluetoothCommandThread to use. Should never be
* used by any other thread.
*
*/
static nsAutoPtr<RawDBusConnection> gThreadConnection;
static nsDataHashtable<nsStringHashKey, DBusMessage* > sPairingReqTable;
static nsDataHashtable<nsStringHashKey, DBusMessage* > sAuthorizeReqTable;
typedef void (*UnpackFunc)(DBusMessage*, DBusError*, BluetoothValue&, nsAString&);
static nsString
GetObjectPathFromAddress(const nsAString& aAdapterPath,
const nsAString& aDeviceAddress)
{
// The object path would be like /org/bluez/2906/hci0/dev_00_23_7F_CB_B4_F1,
// and the adapter path would be the first part of the object path, according
// to the example above, it's /org/bluez/2906/hci0.
nsString devicePath(aAdapterPath);
devicePath.AppendLiteral("/dev_");
devicePath.Append(aDeviceAddress);
devicePath.ReplaceChar(':', '_');
return devicePath;
}
static nsString
GetAddressFromObjectPath(const nsAString& aObjectPath)
{
// The object path would be like /org/bluez/2906/hci0/dev_00_23_7F_CB_B4_F1,
// and the adapter path would be the first part of the object path, according
// to the example above, it's /org/bluez/2906/hci0.
nsString address(aObjectPath);
int addressHead = address.RFind("/") + 5;
MOZ_ASSERT(addressHead + BLUETOOTH_ADDRESS_LENGTH == address.Length());
address.Cut(0, addressHead);
address.ReplaceChar('_', ':');
return address;
}
class DistributeBluetoothSignalTask : public nsRunnable {
BluetoothSignal mSignal;
public:
DistributeBluetoothSignalTask(const BluetoothSignal& aSignal) :
mSignal(aSignal)
{
}
NS_IMETHOD
Run()
{
MOZ_ASSERT(NS_IsMainThread());
BluetoothService* bs = BluetoothService::Get();
if (!bs) {
NS_WARNING("BluetoothService not available!");
return NS_ERROR_FAILURE;
}
return bs->DistributeSignal(mSignal);
}
};
static bool
IsDBusMessageError(DBusMessage* aMsg, DBusError* aErr, nsAString& aErrorStr)
{
if (aErr && dbus_error_is_set(aErr)) {
aErrorStr = NS_ConvertUTF8toUTF16(aErr->message);
LOG_AND_FREE_DBUS_ERROR(aErr);
return true;
}
DBusError err;
dbus_error_init(&err);
if (dbus_message_get_type(aMsg) == DBUS_MESSAGE_TYPE_ERROR) {
const char* error_msg;
if (!dbus_message_get_args(aMsg, &err, DBUS_TYPE_STRING,
&error_msg, DBUS_TYPE_INVALID) ||
!error_msg) {
if (dbus_error_is_set(&err)) {
aErrorStr = NS_ConvertUTF8toUTF16(err.message);
LOG_AND_FREE_DBUS_ERROR(&err);
return true;
} else {
aErrorStr.AssignLiteral("Unknown Error");
return true;
}
} else {
aErrorStr = NS_ConvertUTF8toUTF16(error_msg);
return true;
}
}
return false;
}
static void
DispatchBluetoothReply(BluetoothReplyRunnable* aRunnable,
const BluetoothValue& aValue, const nsAString& aErrorStr)
{
// Reply will be deleted by the runnable after running on main thread
BluetoothReply* reply;
if (!aErrorStr.IsEmpty()) {
nsString err(aErrorStr);
reply = new BluetoothReply(BluetoothReplyError(err));
} else {
reply = new BluetoothReply(BluetoothReplySuccess(aValue));
}
aRunnable->SetReply(reply);
if (NS_FAILED(NS_DispatchToMainThread(aRunnable))) {
NS_WARNING("Failed to dispatch to main thread!");
}
}
static void
UnpackIntMessage(DBusMessage* aMsg, DBusError* aErr,
BluetoothValue& aValue, nsAString& aErrorStr)
{
DBusError err;
dbus_error_init(&err);
if (!IsDBusMessageError(aMsg, aErr, aErrorStr)) {
NS_ASSERTION(dbus_message_get_type(aMsg) == DBUS_MESSAGE_TYPE_METHOD_RETURN,
"Got dbus callback that's not a METHOD_RETURN!");
int i;
if (!dbus_message_get_args(aMsg, &err, DBUS_TYPE_INT32,
&i, DBUS_TYPE_INVALID)) {
if (dbus_error_is_set(&err)) {
aErrorStr = NS_ConvertUTF8toUTF16(err.message);
LOG_AND_FREE_DBUS_ERROR(&err);
}
} else {
aValue = (uint32_t)i;
}
}
}
static void
UnpackObjectPathMessage(DBusMessage* aMsg, DBusError* aErr,
BluetoothValue& aValue, nsAString& aErrorStr)
{
DBusError err;
dbus_error_init(&err);
if (!IsDBusMessageError(aMsg, aErr, aErrorStr)) {
NS_ASSERTION(dbus_message_get_type(aMsg) == DBUS_MESSAGE_TYPE_METHOD_RETURN,
"Got dbus callback that's not a METHOD_RETURN!");
const char* object_path;
if (!dbus_message_get_args(aMsg, &err, DBUS_TYPE_OBJECT_PATH,
&object_path, DBUS_TYPE_INVALID) ||
!object_path) {
if (dbus_error_is_set(&err)) {
aErrorStr = NS_ConvertUTF8toUTF16(err.message);
LOG_AND_FREE_DBUS_ERROR(&err);
}
} else {
aValue = NS_ConvertUTF8toUTF16(object_path);
}
}
}
static void
KeepDBusPairingMessage(const nsString& aDeviceAddress, DBusMessage* aMsg)
{
sPairingReqTable.Put(aDeviceAddress, aMsg);
// Increase ref count here because we need this message later.
// It'll be unrefed when set*Internal() is called.
dbus_message_ref(aMsg);
}
static DBusHandlerResult
AgentEventFilter(DBusConnection *conn, DBusMessage *msg, void *data)
{
if (dbus_message_get_type(msg) != DBUS_MESSAGE_TYPE_METHOD_CALL) {
LOG("%s: agent handler not interested (not a method call).\n", __FUNCTION__);
return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
}
DBusError err;
dbus_error_init(&err);
nsString signalPath = NS_ConvertUTF8toUTF16(dbus_message_get_path(msg));
nsString signalName = NS_ConvertUTF8toUTF16(dbus_message_get_member(msg));
nsString errorStr;
BluetoothValue v;
InfallibleTArray<BluetoothNamedValue> parameters;
// The following descriptions of each signal are retrieved from:
//
// http://maemo.org/api_refs/5.0/beta/bluez/agent.html
//
if (dbus_message_is_method_call(msg, DBUS_AGENT_IFACE, "Cancel")) {
// This method gets called to indicate that the agent request failed before a reply
// was returned.
// Return directly
DBusMessage *reply = dbus_message_new_method_return(msg);
if (!reply) {
errorStr.AssignLiteral("Memory can't be allocated for the message.");
} else {
dbus_connection_send(conn, reply, NULL);
dbus_message_unref(reply);
}
} else if (dbus_message_is_method_call(msg, DBUS_AGENT_IFACE, "Authorize")) {
// This method gets called when the service daemon needs to authorize a
// connection/service request.
char *objectPath;
const char *uuid;
if (!dbus_message_get_args(msg, NULL,
DBUS_TYPE_OBJECT_PATH, &objectPath,
DBUS_TYPE_STRING, &uuid,
DBUS_TYPE_INVALID)) {
LOG("%s: Invalid arguments for Authorize() method", __FUNCTION__);
errorStr.AssignLiteral("Invalid arguments for Authorize() method");
} else {
nsString deviceAddress = GetAddressFromObjectPath(NS_ConvertUTF8toUTF16(objectPath));
parameters.AppendElement(BluetoothNamedValue(NS_LITERAL_STRING("Device"), deviceAddress));
parameters.AppendElement(BluetoothNamedValue(NS_LITERAL_STRING("UUID"),
NS_ConvertUTF8toUTF16(uuid)));
// Because we may have authorization request and pairing request from the
// same remote device at the same time, we need two tables to keep these messages.
sAuthorizeReqTable.Put(deviceAddress, msg);
// Increase ref count here because we need this message later.
// It'll be unrefed when setAuthorizationInternal() is called.
dbus_message_ref(msg);
v = parameters;
}
} else if (dbus_message_is_method_call(msg, DBUS_AGENT_IFACE, "RequestConfirmation")) {
// This method gets called when the service daemon needs to confirm a passkey for
// an authentication.
char *objectPath;
uint32_t passkey;
if (!dbus_message_get_args(msg, NULL,
DBUS_TYPE_OBJECT_PATH, &objectPath,
DBUS_TYPE_UINT32, &passkey,
DBUS_TYPE_INVALID)) {
LOG("%s: Invalid arguments for RequestConfirmation() method", __FUNCTION__);
errorStr.AssignLiteral("Invalid arguments for RequestConfirmation() method");
} else {
nsString deviceAddress = GetAddressFromObjectPath(NS_ConvertUTF8toUTF16(objectPath));
parameters.AppendElement(BluetoothNamedValue(NS_LITERAL_STRING("Device"), deviceAddress));
parameters.AppendElement(BluetoothNamedValue(NS_LITERAL_STRING("Passkey"), passkey));
KeepDBusPairingMessage(deviceAddress, msg);
v = parameters;
}
} else if (dbus_message_is_method_call(msg, DBUS_AGENT_IFACE, "RequestPinCode")) {
// This method gets called when the service daemon needs to get the passkey for an
// authentication. The return value should be a string of 1-16 characters length.
// The string can be alphanumeric.
char *objectPath;
if (!dbus_message_get_args(msg, NULL,
DBUS_TYPE_OBJECT_PATH, &objectPath,
DBUS_TYPE_INVALID)) {
LOG("%s: Invalid arguments for RequestPinCode() method", __FUNCTION__);
errorStr.AssignLiteral("Invalid arguments for RequestPinCode() method");
} else {
nsString deviceAddress = GetAddressFromObjectPath(NS_ConvertUTF8toUTF16(objectPath));
parameters.AppendElement(BluetoothNamedValue(NS_LITERAL_STRING("Device"), deviceAddress));
KeepDBusPairingMessage(deviceAddress, msg);
v = parameters;
}
} else if (dbus_message_is_method_call(msg, DBUS_AGENT_IFACE, "RequestPasskey")) {
// This method gets called when the service daemon needs to get the passkey for an
// authentication. The return value should be a numeric value between 0-999999.
char *objectPath;
if (!dbus_message_get_args(msg, NULL,
DBUS_TYPE_OBJECT_PATH, &objectPath,
DBUS_TYPE_INVALID)) {
LOG("%s: Invalid arguments for RequestPasskey() method", __FUNCTION__);
errorStr.AssignLiteral("Invalid arguments for RequestPasskey() method");
} else {
nsString deviceAddress = GetAddressFromObjectPath(NS_ConvertUTF8toUTF16(objectPath));
parameters.AppendElement(BluetoothNamedValue(NS_LITERAL_STRING("Device"), deviceAddress));
KeepDBusPairingMessage(deviceAddress, msg);
v = parameters;
}
} else if (dbus_message_is_method_call(msg, DBUS_AGENT_IFACE, "Release")) {
// This method gets called when the service daemon unregisters the agent. An agent
// can use it to do cleanup tasks. There is no need to unregister the agent, because
// when this method gets called it has already been unregistered.
DBusMessage *reply = dbus_message_new_method_return(msg);
if (!reply) {
errorStr.AssignLiteral("Memory can't be allocated for the message.");
} else {
dbus_connection_send(conn, reply, NULL);
dbus_message_unref(reply);
// Do not send an notification to upper layer, too annoying.
return DBUS_HANDLER_RESULT_HANDLED;
}
} else {
LOG("agent handler %s: Unhandled event. Ignore.", __FUNCTION__);
}
if (!errorStr.IsEmpty()) {
NS_WARNING(NS_ConvertUTF16toUTF8(errorStr).get());
return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
}
BluetoothSignal signal(signalName, signalPath, v);
nsRefPtr<DistributeBluetoothSignalTask> t = new DistributeBluetoothSignalTask(signal);
if (NS_FAILED(NS_DispatchToMainThread(t))) {
NS_WARNING("Failed to dispatch to main thread!");
}
return DBUS_HANDLER_RESULT_HANDLED;
}
static const DBusObjectPathVTable agentVtable = {
NULL, AgentEventFilter, NULL, NULL, NULL, NULL
};
// Local agent means agent for Adapter, not agent for Device. Some signals
// will be passed to local agent, some will be passed to device agent.
// For example, if a remote device would like to pair with us, then the
// signal will be passed to local agent. If we start pairing process with
// calling CreatePairedDevice, we'll get signal which should be passed to
// device agent.
static bool
RegisterLocalAgent(const char* adapterPath,
const char* agentPath,
const char* capabilities)
{
MOZ_ASSERT(!NS_IsMainThread());
if (!dbus_connection_register_object_path(gThreadConnection->GetConnection(),
agentPath,
&agentVtable,
NULL)) {
LOG("%s: Can't register object path %s for agent!",
__FUNCTION__, agentPath);
return false;
}
DBusMessage* msg =
dbus_message_new_method_call("org.bluez", adapterPath,
DBUS_ADAPTER_IFACE, "RegisterAgent");
if (!msg) {
LOG("%s: Can't allocate new method call for agent!", __FUNCTION__);
return false;
}
if (!dbus_message_append_args(msg,
DBUS_TYPE_OBJECT_PATH, &agentPath,
DBUS_TYPE_STRING, &capabilities,
DBUS_TYPE_INVALID)) {
LOG("%s: Couldn't append arguments to dbus message.", __FUNCTION__);
return false;
}
DBusError err;
dbus_error_init(&err);
DBusMessage* reply =
dbus_connection_send_with_reply_and_block(gThreadConnection->GetConnection(),
msg, -1, &err);
dbus_message_unref(msg);
if (!reply) {
if (dbus_error_is_set(&err)) {
if (!strcmp(err.name, "org.bluez.Error.AlreadyExists")) {
LOG_AND_FREE_DBUS_ERROR(&err);
#ifdef DEBUG
LOG("Agent already registered, still returning true");
#endif
} else {
LOG_AND_FREE_DBUS_ERROR(&err);
LOG("%s: Can't register agent!", __FUNCTION__);
return false;
}
}
} else {
dbus_message_unref(reply);
}
dbus_connection_flush(gThreadConnection->GetConnection());
return true;
}
static bool
RegisterAgent(const nsAString& aAdapterPath)
{
MOZ_ASSERT(!NS_IsMainThread());
if (!RegisterLocalAgent(NS_ConvertUTF16toUTF8(aAdapterPath).get(),
LOCAL_AGENT_PATH,
B2G_AGENT_CAPABILITIES)) {
return false;
}
// There is no "RegisterAgent" function defined in device interface.
// When we call "CreatePairedDevice", it will do device agent registration for us.
// (See maemo.org/api_refs/5.0/beta/bluez/adapter.html)
if (!dbus_connection_register_object_path(gThreadConnection->GetConnection(),
REMOTE_AGENT_PATH,
&agentVtable,
NULL)) {
LOG("%s: Can't register object path %s for remote device agent!",
__FUNCTION__, REMOTE_AGENT_PATH);
return false;
}
return true;
}
void
RunDBusCallback(DBusMessage* aMsg, void* aBluetoothReplyRunnable,
UnpackFunc aFunc)
{
MOZ_ASSERT(!NS_IsMainThread());
nsRefPtr<BluetoothReplyRunnable> replyRunnable =
dont_AddRef(static_cast< BluetoothReplyRunnable* >(aBluetoothReplyRunnable));
NS_ASSERTION(replyRunnable, "Callback reply runnable is null!");
nsString replyError;
BluetoothValue v;
aFunc(aMsg, nullptr, v, replyError);
DispatchBluetoothReply(replyRunnable, v, replyError);
}
void
GetObjectPathCallback(DBusMessage* aMsg, void* aBluetoothReplyRunnable)
{
RunDBusCallback(aMsg, aBluetoothReplyRunnable,
UnpackObjectPathMessage);
}
void
UnpackVoidMessage(DBusMessage* aMsg, DBusError* aErr, BluetoothValue& aValue,
nsAString& aErrorStr)
{
DBusError err;
dbus_error_init(&err);
if (!IsDBusMessageError(aMsg, aErr, aErrorStr) &&
dbus_message_get_type(aMsg) == DBUS_MESSAGE_TYPE_METHOD_RETURN &&
!dbus_message_get_args(aMsg, &err, DBUS_TYPE_INVALID)) {
if (dbus_error_is_set(&err)) {
aErrorStr = NS_ConvertUTF8toUTF16(err.message);
LOG_AND_FREE_DBUS_ERROR(&err);
}
}
}
void
GetVoidCallback(DBusMessage* aMsg, void* aBluetoothReplyRunnable)
{
RunDBusCallback(aMsg, aBluetoothReplyRunnable,
UnpackVoidMessage);
}
void
GetIntCallback(DBusMessage* aMsg, void* aBluetoothReplyRunnable)
{
RunDBusCallback(aMsg, aBluetoothReplyRunnable,
UnpackIntMessage);
}
bool
GetProperty(DBusMessageIter aIter, Properties* aPropertyTypes,
int aPropertyTypeLen, int* aPropIndex,
InfallibleTArray<BluetoothNamedValue>& aProperties)
{
DBusMessageIter prop_val, array_val_iter;
char* property = NULL;
uint32_t array_type;
int i, type;
if (dbus_message_iter_get_arg_type(&aIter) != DBUS_TYPE_STRING) {
return false;
}
dbus_message_iter_get_basic(&aIter, &property);
if (!dbus_message_iter_next(&aIter) ||
dbus_message_iter_get_arg_type(&aIter) != DBUS_TYPE_VARIANT) {
return false;
}
for (i = 0; i < aPropertyTypeLen; i++) {
if (!strncmp(property, aPropertyTypes[i].name, strlen(property))) {
break;
}
}
if (i == aPropertyTypeLen) {
return false;
}
nsString propertyName;
propertyName.AssignASCII(aPropertyTypes[i].name);
*aPropIndex = i;
dbus_message_iter_recurse(&aIter, &prop_val);
type = aPropertyTypes[*aPropIndex].type;
NS_ASSERTION(dbus_message_iter_get_arg_type(&prop_val) == type,
"Iterator not type we expect!");
BluetoothValue propertyValue;
switch (type) {
case DBUS_TYPE_STRING:
case DBUS_TYPE_OBJECT_PATH:
const char* c;
dbus_message_iter_get_basic(&prop_val, &c);
propertyValue = NS_ConvertUTF8toUTF16(c);
break;
case DBUS_TYPE_UINT32:
case DBUS_TYPE_INT16:
uint32_t i;
dbus_message_iter_get_basic(&prop_val, &i);
propertyValue = i;
break;
case DBUS_TYPE_BOOLEAN:
bool b;
dbus_message_iter_get_basic(&prop_val, &b);
propertyValue = b;
break;
case DBUS_TYPE_ARRAY:
dbus_message_iter_recurse(&prop_val, &array_val_iter);
array_type = dbus_message_iter_get_arg_type(&array_val_iter);
if (array_type == DBUS_TYPE_OBJECT_PATH ||
array_type == DBUS_TYPE_STRING){
InfallibleTArray<nsString> arr;
do {
const char* tmp;
dbus_message_iter_get_basic(&array_val_iter, &tmp);
nsString s;
s = NS_ConvertUTF8toUTF16(tmp);
arr.AppendElement(s);
} while (dbus_message_iter_next(&array_val_iter));
propertyValue = arr;
} else {
// This happens when the array is 0-length. Apparently we get a
// DBUS_TYPE_INVALID type.
propertyValue = InfallibleTArray<nsString>();
#ifdef DEBUG
NS_WARNING("Received array type that's not a string array!");
#endif
}
break;
default:
NS_NOTREACHED("Cannot find dbus message type!");
}
aProperties.AppendElement(BluetoothNamedValue(propertyName, propertyValue));
return true;
}
void
ParseProperties(DBusMessageIter* aIter,
BluetoothValue& aValue,
nsAString& aErrorStr,
Properties* aPropertyTypes,
const int aPropertyTypeLen)
{
DBusMessageIter dict_entry, dict;
int prop_index = -1;
NS_ASSERTION(dbus_message_iter_get_arg_type(aIter) == DBUS_TYPE_ARRAY,
"Trying to parse a property from something that's not an array!");
dbus_message_iter_recurse(aIter, &dict);
InfallibleTArray<BluetoothNamedValue> props;
do {
NS_ASSERTION(dbus_message_iter_get_arg_type(&dict) == DBUS_TYPE_DICT_ENTRY,
"Trying to parse a property from something that's not an dict!");
dbus_message_iter_recurse(&dict, &dict_entry);
if (!GetProperty(dict_entry, aPropertyTypes, aPropertyTypeLen, &prop_index,
props)) {
aErrorStr.AssignLiteral("Can't Create Property!");
NS_WARNING("Can't create property!");
return;
}
} while (dbus_message_iter_next(&dict));
aValue = props;
}
void
UnpackPropertiesMessage(DBusMessage* aMsg, DBusError* aErr,
BluetoothValue& aValue, nsAString& aErrorStr,
Properties* aPropertyTypes,
const int aPropertyTypeLen)
{
if (!IsDBusMessageError(aMsg, aErr, aErrorStr) &&
dbus_message_get_type(aMsg) == DBUS_MESSAGE_TYPE_METHOD_RETURN) {
DBusMessageIter iter;
if (!dbus_message_iter_init(aMsg, &iter)) {
aErrorStr.AssignLiteral("Cannot create dbus message iter!");
} else {
ParseProperties(&iter, aValue, aErrorStr, aPropertyTypes,
aPropertyTypeLen);
}
}
}
void
UnpackAdapterPropertiesMessage(DBusMessage* aMsg, DBusError* aErr,
BluetoothValue& aValue,
nsAString& aErrorStr)
{
UnpackPropertiesMessage(aMsg, aErr, aValue, aErrorStr,
sAdapterProperties,
ArrayLength(sAdapterProperties));
}
void
UnpackDevicePropertiesMessage(DBusMessage* aMsg, DBusError* aErr,
BluetoothValue& aValue,
nsAString& aErrorStr)
{
UnpackPropertiesMessage(aMsg, aErr, aValue, aErrorStr,
sDeviceProperties,
ArrayLength(sDeviceProperties));
}
void
UnpackManagerPropertiesMessage(DBusMessage* aMsg, DBusError* aErr,
BluetoothValue& aValue,
nsAString& aErrorStr)
{
UnpackPropertiesMessage(aMsg, aErr, aValue, aErrorStr,
sManagerProperties,
ArrayLength(sManagerProperties));
}
void
GetManagerPropertiesCallback(DBusMessage* aMsg, void* aBluetoothReplyRunnable)
{
RunDBusCallback(aMsg, aBluetoothReplyRunnable,
UnpackManagerPropertiesMessage);
}
void
GetAdapterPropertiesCallback(DBusMessage* aMsg, void* aBluetoothReplyRunnable)
{
RunDBusCallback(aMsg, aBluetoothReplyRunnable,
UnpackAdapterPropertiesMessage);
}
void
GetDevicePropertiesCallback(DBusMessage* aMsg, void* aBluetoothReplyRunnable)
{
RunDBusCallback(aMsg, aBluetoothReplyRunnable,
UnpackDevicePropertiesMessage);
}
static DBusCallback sBluetoothDBusPropCallbacks[] =
{
GetManagerPropertiesCallback,
GetAdapterPropertiesCallback,
GetDevicePropertiesCallback
};
MOZ_STATIC_ASSERT(sizeof(sBluetoothDBusPropCallbacks) == sizeof(sBluetoothDBusIfaces),
"DBus Property callback array and DBus interface array must be same size");
void
ParsePropertyChange(DBusMessage* aMsg, BluetoothValue& aValue,
nsAString& aErrorStr, Properties* aPropertyTypes,
const int aPropertyTypeLen)
{
DBusMessageIter iter;
DBusError err;
int prop_index = -1;
InfallibleTArray<BluetoothNamedValue> props;
dbus_error_init(&err);
if (!dbus_message_iter_init(aMsg, &iter)) {
NS_WARNING("Can't create iterator!");
return;
}
if (!GetProperty(iter, aPropertyTypes, aPropertyTypeLen,
&prop_index, props)) {
NS_WARNING("Can't get property!");
aErrorStr.AssignLiteral("Can't get property!");
return;
}
aValue = props;
}
// Called by dbus during WaitForAndDispatchEventNative()
// This function is called on the IOThread
static
DBusHandlerResult
EventFilter(DBusConnection* aConn, DBusMessage* aMsg, void* aData)
{
NS_ASSERTION(!NS_IsMainThread(), "Shouldn't be called from Main Thread!");
if (dbus_message_get_type(aMsg) != DBUS_MESSAGE_TYPE_SIGNAL) {
LOG("%s: event handler not interested in %s (not a signal).\n",
__FUNCTION__, dbus_message_get_member(aMsg));
return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
}
if (dbus_message_get_path(aMsg) == NULL) {
LOG("DBusMessage %s has no bluetooth destination, ignoring\n",
dbus_message_get_member(aMsg));
return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
}
DBusError err;
nsString signalPath;
nsString signalName;
dbus_error_init(&err);
signalPath = NS_ConvertUTF8toUTF16(dbus_message_get_path(aMsg));
signalName = NS_ConvertUTF8toUTF16(dbus_message_get_member(aMsg));
nsString errorStr;
BluetoothValue v;
if (dbus_message_is_signal(aMsg, DBUS_ADAPTER_IFACE, "DeviceFound")) {
DBusMessageIter iter;
if (!dbus_message_iter_init(aMsg, &iter)) {
NS_WARNING("Can't create iterator!");
return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
}
const char* addr;
dbus_message_iter_get_basic(&iter, &addr);
if (dbus_message_iter_next(&iter)) {
ParseProperties(&iter,
v,
errorStr,
sDeviceProperties,
ArrayLength(sDeviceProperties));
if (v.type() == BluetoothValue::TArrayOfBluetoothNamedValue)
{
// The DBus DeviceFound message actually passes back a key value object
// with the address as the key and the rest of the device properties as
// a dict value. After we parse out the properties, we need to go back
// and add the address to the ipdl dict we've created to make sure we
// have all of the information to correctly build the device.
v.get_ArrayOfBluetoothNamedValue()
.AppendElement(BluetoothNamedValue(NS_LITERAL_STRING("Address"),
NS_ConvertUTF8toUTF16(addr)));
}
} else {
errorStr.AssignLiteral("DBus device found message structure not as expected!");
}
} else if (dbus_message_is_signal(aMsg, DBUS_ADAPTER_IFACE, "DeviceDisappeared")) {
const char* str;
if (!dbus_message_get_args(aMsg, &err,
DBUS_TYPE_STRING, &str,
DBUS_TYPE_INVALID)) {
LOG_AND_FREE_DBUS_ERROR_WITH_MSG(&err, aMsg);
errorStr.AssignLiteral("Cannot parse device address!");
} else {
v = NS_ConvertUTF8toUTF16(str);
}
} else if (dbus_message_is_signal(aMsg, DBUS_ADAPTER_IFACE, "DeviceCreated")) {
const char* str;
if (!dbus_message_get_args(aMsg, &err,
DBUS_TYPE_OBJECT_PATH, &str,
DBUS_TYPE_INVALID)) {
LOG_AND_FREE_DBUS_ERROR_WITH_MSG(&err, aMsg);
errorStr.AssignLiteral("Cannot parse device path!");
} else {
v = NS_ConvertUTF8toUTF16(str);
}
} else if (dbus_message_is_signal(aMsg, DBUS_ADAPTER_IFACE, "DeviceRemoved")) {
const char* str;
if (!dbus_message_get_args(aMsg, &err,
DBUS_TYPE_OBJECT_PATH, &str,
DBUS_TYPE_INVALID)) {
LOG_AND_FREE_DBUS_ERROR_WITH_MSG(&err, aMsg);
errorStr.AssignLiteral("Cannot parse device path!");
} else {
v = NS_ConvertUTF8toUTF16(str);
}
} else if (dbus_message_is_signal(aMsg, DBUS_ADAPTER_IFACE, "PropertyChanged")) {
ParsePropertyChange(aMsg,
v,
errorStr,
sAdapterProperties,
ArrayLength(sAdapterProperties));
} else if (dbus_message_is_signal(aMsg, DBUS_DEVICE_IFACE, "PropertyChanged")) {
ParsePropertyChange(aMsg,
v,
errorStr,
sDeviceProperties,
ArrayLength(sDeviceProperties));
} else if (dbus_message_is_signal(aMsg, DBUS_MANAGER_IFACE, "AdapterAdded")) {
const char* str;
if (!dbus_message_get_args(aMsg, &err,
DBUS_TYPE_OBJECT_PATH, &str,
DBUS_TYPE_INVALID)) {
LOG_AND_FREE_DBUS_ERROR_WITH_MSG(&err, aMsg);
errorStr.AssignLiteral("Cannot parse manager path!");
} else {
v = NS_ConvertUTF8toUTF16(str);
}
} else if (dbus_message_is_signal(aMsg, DBUS_MANAGER_IFACE, "PropertyChanged")) {
ParsePropertyChange(aMsg,
v,
errorStr,
sManagerProperties,
ArrayLength(sManagerProperties));
} else {
#ifdef DEBUG
nsAutoCString signalStr;
signalStr += dbus_message_get_member(aMsg);
signalStr += " Signal not handled!";
NS_WARNING(signalStr.get());
#endif
}
if (!errorStr.IsEmpty()) {
NS_WARNING(NS_ConvertUTF16toUTF8(errorStr).get());
return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
}
BluetoothSignal signal(signalName, signalPath, v);
nsRefPtr<DistributeBluetoothSignalTask>
t = new DistributeBluetoothSignalTask(signal);
if (NS_FAILED(NS_DispatchToMainThread(t))) {
NS_WARNING("Failed to dispatch to main thread!");
}
return DBUS_HANDLER_RESULT_HANDLED;
}
nsresult
BluetoothDBusService::StartInternal()
{
// This could block. It should never be run on the main thread.
MOZ_ASSERT(!NS_IsMainThread());
if (!StartDBus()) {
NS_WARNING("Cannot start DBus thread!");
return NS_ERROR_FAILURE;
}
if (mConnection) {
return NS_OK;
}
if (NS_FAILED(EstablishDBusConnection())) {
NS_WARNING("Cannot start Main Thread DBus connection!");
StopDBus();
return NS_ERROR_FAILURE;
}
gThreadConnection = new RawDBusConnection();
if (NS_FAILED(gThreadConnection->EstablishDBusConnection())) {
NS_WARNING("Cannot start Sync Thread DBus connection!");
StopDBus();
return NS_ERROR_FAILURE;
}
DBusError err;
dbus_error_init(&err);
// Set which messages will be processed by this dbus connection.
// Since we are maintaining a single thread for all the DBus bluez
// signals we want, register all of them in this thread at startup.
// The event handler will sort the destinations out as needed.
for (uint32_t i = 0; i < ArrayLength(sBluetoothDBusSignals); ++i) {
dbus_bus_add_match(mConnection,
sBluetoothDBusSignals[i],
&err);
if (dbus_error_is_set(&err)) {
LOG_AND_FREE_DBUS_ERROR(&err);
}
}
// Add a filter for all incoming messages_base
if (!dbus_connection_add_filter(mConnection, EventFilter,
NULL, NULL)) {
NS_WARNING("Cannot create DBus Event Filter for DBus Thread!");
return NS_ERROR_FAILURE;
}
sPairingReqTable.Init();
sAuthorizeReqTable.Init();
return NS_OK;
}
PLDHashOperator
UnrefDBusMessages(const nsAString& key, DBusMessage* value, void* arg)
{
dbus_message_unref(value);
return PL_DHASH_NEXT;
}
nsresult
BluetoothDBusService::StopInternal()
{
// This could block. It should never be run on the main thread.
MOZ_ASSERT(!NS_IsMainThread());
if (!mConnection) {
StopDBus();
return NS_OK;
}
DBusError err;
dbus_error_init(&err);
for (uint32_t i = 0; i < ArrayLength(sBluetoothDBusSignals); ++i) {
dbus_bus_remove_match(mConnection,
sBluetoothDBusSignals[i],
&err);
if (dbus_error_is_set(&err)) {
LOG_AND_FREE_DBUS_ERROR(&err);
}
}
dbus_connection_remove_filter(mConnection, EventFilter, nullptr);
mConnection = nullptr;
gThreadConnection = nullptr;
mBluetoothSignalObserverTable.Clear();
// unref stored DBusMessages before clear the hashtable
sPairingReqTable.EnumerateRead(UnrefDBusMessages, nullptr);
sPairingReqTable.Clear();
sAuthorizeReqTable.EnumerateRead(UnrefDBusMessages, nullptr);
sAuthorizeReqTable.Clear();
StopDBus();
return NS_OK;
}
int
BluetoothDBusService::IsEnabledInternal()
{
// assume bluetooth is always enabled on desktop
return true;
}
class DefaultAdapterPropertiesRunnable : public nsRunnable
{
public:
DefaultAdapterPropertiesRunnable(BluetoothReplyRunnable* aRunnable)
: mRunnable(dont_AddRef(aRunnable))
{
}
nsresult
Run()
{
MOZ_ASSERT(!NS_IsMainThread());
DBusError err;
dbus_error_init(&err);
BluetoothValue v;
nsString replyError;
DBusMessage* msg = dbus_func_args_timeout(gThreadConnection->GetConnection(),
1000,
&err,
"/",
DBUS_MANAGER_IFACE,
"DefaultAdapter",
DBUS_TYPE_INVALID);
UnpackObjectPathMessage(msg, &err, v, replyError);
if (msg) {
dbus_message_unref(msg);
}
if (!replyError.IsEmpty()) {
DispatchBluetoothReply(mRunnable, v, replyError);
return NS_ERROR_FAILURE;
}
nsString path = v.get_nsString();
nsCString tmp_path = NS_ConvertUTF16toUTF8(path);
const char* object_path = tmp_path.get();
v = InfallibleTArray<BluetoothNamedValue>();
msg = dbus_func_args_timeout(gThreadConnection->GetConnection(),
1000,
&err,
object_path,
"org.bluez.Adapter",
"GetProperties",
DBUS_TYPE_INVALID);
UnpackAdapterPropertiesMessage(msg, &err, v, replyError);
if (!replyError.IsEmpty()) {
DispatchBluetoothReply(mRunnable, v, replyError);
return NS_ERROR_FAILURE;
}
if (msg) {
dbus_message_unref(msg);
}
// We have to manually attach the path to the rest of the elements
v.get_ArrayOfBluetoothNamedValue().AppendElement(BluetoothNamedValue(NS_LITERAL_STRING("Path"),
path));
RegisterAgent(path);
DispatchBluetoothReply(mRunnable, v, replyError);
return NS_OK;
}
private:
nsRefPtr<BluetoothReplyRunnable> mRunnable;
};
nsresult
BluetoothDBusService::GetDefaultAdapterPathInternal(BluetoothReplyRunnable* aRunnable)
{
if (!mConnection || !gThreadConnection) {
NS_ERROR("Bluetooth service not started yet!");
return NS_ERROR_FAILURE;
}
NS_ASSERTION(NS_IsMainThread(), "Must be called from main thread!");
nsRefPtr<BluetoothReplyRunnable> runnable = aRunnable;
nsRefPtr<nsRunnable> func(new DefaultAdapterPropertiesRunnable(runnable));
if (NS_FAILED(mBluetoothCommandThread->Dispatch(func, NS_DISPATCH_NORMAL))) {
NS_WARNING("Cannot dispatch firmware loading task!");
return NS_ERROR_FAILURE;
}
runnable.forget();
return NS_OK;
}
nsresult
BluetoothDBusService::SendDiscoveryMessage(const nsAString& aAdapterPath,
const char* aMessageName,
BluetoothReplyRunnable* aRunnable)
{
if (!mConnection) {
NS_WARNING("Bluetooth service not started yet!");
return NS_ERROR_FAILURE;
}
NS_ASSERTION(NS_IsMainThread(), "Must be called from main thread!");
nsRefPtr<BluetoothReplyRunnable> runnable = aRunnable;
NS_ConvertUTF16toUTF8 s(aAdapterPath);
if (!dbus_func_args_async(mConnection,
1000,
GetVoidCallback,
(void*)aRunnable,
s.get(),
DBUS_ADAPTER_IFACE,
aMessageName,
DBUS_TYPE_INVALID)) {
NS_WARNING("Could not start async function!");
return NS_ERROR_FAILURE;
}
runnable.forget();
return NS_OK;
}
nsresult
BluetoothDBusService::StopDiscoveryInternal(const nsAString& aAdapterPath,
BluetoothReplyRunnable* aRunnable)
{
return SendDiscoveryMessage(aAdapterPath, "StopDiscovery", aRunnable);
}
nsresult
BluetoothDBusService::StartDiscoveryInternal(const nsAString& aAdapterPath,
BluetoothReplyRunnable* aRunnable)
{
return SendDiscoveryMessage(aAdapterPath, "StartDiscovery", aRunnable);
}
class BluetoothPairedDevicePropertiesRunnable : public nsRunnable
{
public:
BluetoothPairedDevicePropertiesRunnable(BluetoothReplyRunnable* aRunnable,
const nsTArray<nsString>& aDeviceAddresses)
: mRunnable(dont_AddRef(aRunnable)),
mDeviceAddresses(aDeviceAddresses)
{
}
nsresult
Run()
{
MOZ_ASSERT(!NS_IsMainThread());
DBusError err;
dbus_error_init(&err);
nsString replyError;
DBusMessage* msg;
BluetoothValue values = InfallibleTArray<BluetoothNamedValue>();
for (int i = 0; i < mDeviceAddresses.Length(); i++) {
BluetoothValue v = InfallibleTArray<BluetoothNamedValue>();
msg = dbus_func_args_timeout(gThreadConnection->GetConnection(),
1000,
&err,
NS_ConvertUTF16toUTF8(mDeviceAddresses[i]).get(),
DBUS_DEVICE_IFACE,
"GetProperties",
DBUS_TYPE_INVALID);
UnpackDevicePropertiesMessage(msg, &err, v, replyError);
if (!replyError.IsEmpty()) {
DispatchBluetoothReply(mRunnable, v, replyError);
return NS_ERROR_FAILURE;
}
if (msg) {
dbus_message_unref(msg);
}
v.get_ArrayOfBluetoothNamedValue().AppendElement(
BluetoothNamedValue(NS_LITERAL_STRING("Path"), mDeviceAddresses[i])
);
InfallibleTArray<BluetoothNamedValue>& deviceProperties = v.get_ArrayOfBluetoothNamedValue();
for (uint32_t p = 0; p < v.get_ArrayOfBluetoothNamedValue().Length(); ++p) {
BluetoothNamedValue& property = v.get_ArrayOfBluetoothNamedValue()[p];
// Only paired devices will be return back to main thread
if (property.name().EqualsLiteral("Paired")) {
bool paired = property.value();
if (paired) {
values.get_ArrayOfBluetoothNamedValue().AppendElement(
BluetoothNamedValue(mDeviceAddresses[i], deviceProperties)
);
}
break;
}
}
}
mRunnable->SetReply(new BluetoothReply(BluetoothReplySuccess(values)));
if (NS_FAILED(NS_DispatchToMainThread(mRunnable))) {
NS_WARNING("Failed to dispatch to main thread!");
}
return NS_OK;
}
private:
nsRefPtr<BluetoothReplyRunnable> mRunnable;
nsTArray<nsString> mDeviceAddresses;
};
nsresult
BluetoothDBusService::GetProperties(BluetoothObjectType aType,
const nsAString& aPath,
BluetoothReplyRunnable* aRunnable)
{
NS_ASSERTION(NS_IsMainThread(), "Must be called from main thread!");
MOZ_ASSERT(aType < ArrayLength(sBluetoothDBusIfaces));
MOZ_ASSERT(aType < ArrayLength(sBluetoothDBusPropCallbacks));
const char* interface = sBluetoothDBusIfaces[aType];
DBusCallback callback = sBluetoothDBusPropCallbacks[aType];
nsRefPtr<BluetoothReplyRunnable> runnable = aRunnable;
if (!dbus_func_args_async(mConnection,
1000,
callback,
(void*)aRunnable,
NS_ConvertUTF16toUTF8(aPath).get(),
interface,
"GetProperties",
DBUS_TYPE_INVALID)) {
NS_WARNING("Could not start async function!");
return NS_ERROR_FAILURE;
}
runnable.forget();
return NS_OK;
}
nsresult
BluetoothDBusService::GetPairedDevicePropertiesInternal(const nsTArray<nsString>& aDeviceAddresses,
BluetoothReplyRunnable* aRunnable)
{
if (!mConnection || !gThreadConnection) {
NS_ERROR("Bluetooth service not started yet!");
return NS_ERROR_FAILURE;
}
nsRefPtr<BluetoothReplyRunnable> runnable = aRunnable;
nsRefPtr<nsRunnable> func(new BluetoothPairedDevicePropertiesRunnable(runnable, aDeviceAddresses));
if (NS_FAILED(mBluetoothCommandThread->Dispatch(func, NS_DISPATCH_NORMAL))) {
NS_WARNING("Cannot dispatch task!");
return NS_ERROR_FAILURE;
}
runnable.forget();
return NS_OK;
}
nsresult
BluetoothDBusService::SetProperty(BluetoothObjectType aType,
const nsAString& aPath,
const BluetoothNamedValue& aValue,
BluetoothReplyRunnable* aRunnable)
{
NS_ASSERTION(NS_IsMainThread(), "Must be called from main thread!");
MOZ_ASSERT(aType < ArrayLength(sBluetoothDBusIfaces));
const char* interface = sBluetoothDBusIfaces[aType];
/* Compose the command */
DBusMessage* msg = dbus_message_new_method_call("org.bluez",
NS_ConvertUTF16toUTF8(aPath).get(),
interface,
"SetProperty");
if (!msg) {
NS_WARNING("Could not allocate D-Bus message object!");
return NS_ERROR_FAILURE;
}
const char* propName = NS_ConvertUTF16toUTF8(aValue.name()).get();
if (!dbus_message_append_args(msg, DBUS_TYPE_STRING, &propName, DBUS_TYPE_INVALID)) {
NS_WARNING("Couldn't append arguments to dbus message!");
return NS_ERROR_FAILURE;
}
int type;
int tmp_int;
void* val;
nsCString str;
if (aValue.value().type() == BluetoothValue::Tuint32_t) {
tmp_int = aValue.value().get_uint32_t();
val = &tmp_int;
type = DBUS_TYPE_UINT32;
} else if (aValue.value().type() == BluetoothValue::TnsString) {
str = NS_ConvertUTF16toUTF8(aValue.value().get_nsString());
const char* tempStr = str.get();
val = &tempStr;
type = DBUS_TYPE_STRING;
} else if (aValue.value().type() == BluetoothValue::Tbool) {
tmp_int = aValue.value().get_bool() ? 1 : 0;
val = &(tmp_int);
type = DBUS_TYPE_BOOLEAN;
} else {
NS_WARNING("Property type not handled!");
dbus_message_unref(msg);
return NS_ERROR_FAILURE;
}
DBusMessageIter value_iter, iter;
dbus_message_iter_init_append(msg, &iter);
char var_type[2] = {(char)type, '\0'};
if (!dbus_message_iter_open_container(&iter, DBUS_TYPE_VARIANT, var_type, &value_iter) ||
!dbus_message_iter_append_basic(&value_iter, type, val) ||
!dbus_message_iter_close_container(&iter, &value_iter)) {
NS_WARNING("Could not append argument to method call!");
dbus_message_unref(msg);
return NS_ERROR_FAILURE;
}
nsRefPtr<BluetoothReplyRunnable> runnable = aRunnable;
// msg is unref'd as part of dbus_func_send_async
if (!dbus_func_send_async(mConnection,
msg,
1000,
GetVoidCallback,
(void*)aRunnable)) {
NS_WARNING("Could not start async function!");
return NS_ERROR_FAILURE;
}
runnable.forget();
return NS_OK;
}
bool
BluetoothDBusService::GetDevicePath(const nsAString& aAdapterPath,
const nsAString& aDeviceAddress,
nsAString& aDevicePath)
{
aDevicePath = GetObjectPathFromAddress(aAdapterPath, aDeviceAddress);
return true;
}
int
GetDeviceServiceChannel(const nsAString& aObjectPath,
const nsAString& aPattern,
int aAttributeId)
{
// This is a blocking call, should not be run on main thread.
MOZ_ASSERT(!NS_IsMainThread());
nsCString tempPattern = NS_ConvertUTF16toUTF8(aPattern);
const char* pattern = tempPattern.get();
DBusMessage *reply =
dbus_func_args(gThreadConnection->GetConnection(),
NS_ConvertUTF16toUTF8(aObjectPath).get(),
DBUS_DEVICE_IFACE, "GetServiceAttributeValue",
DBUS_TYPE_STRING, &pattern,
DBUS_TYPE_UINT16, &aAttributeId,
DBUS_TYPE_INVALID);
return reply ? dbus_returns_int32(reply) : -1;
}
static void
ExtractHandles(DBusMessage *aReply, nsTArray<uint32_t>& aOutHandles)
{
uint32_t* handles = NULL;
int len;
DBusError err;
dbus_error_init(&err);
if (dbus_message_get_args(aReply, &err,
DBUS_TYPE_ARRAY, DBUS_TYPE_UINT32, &handles, &len,
DBUS_TYPE_INVALID)) {
if (!handles) {
LOG("Null array in extract_handles");
} else {
for (int i = 0; i < len; ++i) {
aOutHandles.AppendElement(handles[i]);
}
}
} else {
LOG_AND_FREE_DBUS_ERROR(&err);
}
}
nsTArray<uint32_t>
BluetoothDBusService::AddReservedServicesInternal(const nsAString& aAdapterPath,
const nsTArray<uint32_t>& aServices)
{
MOZ_ASSERT(!NS_IsMainThread());
nsTArray<uint32_t> ret;
int length = aServices.Length();
if (length == 0) return ret;
const uint32_t* services = aServices.Elements();
DBusMessage* reply =
dbus_func_args(gThreadConnection->GetConnection(),
NS_ConvertUTF16toUTF8(aAdapterPath).get(),
DBUS_ADAPTER_IFACE, "AddReservedServiceRecords",
DBUS_TYPE_ARRAY, DBUS_TYPE_UINT32,
&services, length, DBUS_TYPE_INVALID);
if (!reply) {
LOG("Null DBus message. Couldn't extract handles.");
return ret;
}
ExtractHandles(reply, ret);
return ret;
}
bool
BluetoothDBusService::RemoveReservedServicesInternal(const nsAString& aAdapterPath,
const nsTArray<uint32_t>& aServiceHandles)
{
MOZ_ASSERT(!NS_IsMainThread());
int length = aServiceHandles.Length();
if (length == 0) return false;
const uint32_t* services = aServiceHandles.Elements();
DBusMessage* reply =
dbus_func_args(gThreadConnection->GetConnection(),
NS_ConvertUTF16toUTF8(aAdapterPath).get(),
DBUS_ADAPTER_IFACE, "RemoveReservedServiceRecords",
DBUS_TYPE_ARRAY, DBUS_TYPE_UINT32,
&services, length, DBUS_TYPE_INVALID);
if (!reply) return false;
dbus_message_unref(reply);
return true;
}
nsresult
BluetoothDBusService::CreatePairedDeviceInternal(const nsAString& aAdapterPath,
const nsAString& aDeviceAddress,
int aTimeout,
BluetoothReplyRunnable* aRunnable)
{
const char *capabilities = B2G_AGENT_CAPABILITIES;
const char *deviceAgentPath = REMOTE_AGENT_PATH;
nsCString tempDeviceAddress = NS_ConvertUTF16toUTF8(aDeviceAddress);
const char *deviceAddress = tempDeviceAddress.get();
nsRefPtr<BluetoothReplyRunnable> runnable = aRunnable;
// Then send CreatePairedDevice, it will register a temp device agent then
// unregister it after pairing process is over
bool ret = dbus_func_args_async(mConnection,
aTimeout,
GetObjectPathCallback,
(void*)runnable,
NS_ConvertUTF16toUTF8(aAdapterPath).get(),
DBUS_ADAPTER_IFACE,
"CreatePairedDevice",
DBUS_TYPE_STRING, &deviceAddress,
DBUS_TYPE_OBJECT_PATH, &deviceAgentPath,
DBUS_TYPE_STRING, &capabilities,
DBUS_TYPE_INVALID);
if (!ret) {
NS_WARNING("Could not start async function!");
return NS_ERROR_FAILURE;
}
runnable.forget();
return NS_OK;
}
nsresult
BluetoothDBusService::RemoveDeviceInternal(const nsAString& aAdapterPath,
const nsAString& aDeviceAddress,
BluetoothReplyRunnable* aRunnable)
{
nsCString tempDeviceObjectPath =
NS_ConvertUTF16toUTF8(GetObjectPathFromAddress(aAdapterPath, aDeviceAddress));
const char* deviceObjectPath = tempDeviceObjectPath.get();
nsRefPtr<BluetoothReplyRunnable> runnable = aRunnable;
// We don't really care about how long it would take on removing a device,
// just to make sure that the value of timeout is reasonable. So, we use
// -1 for the timeout, which means a reasonable default timeout will be used.
bool ret = dbus_func_args_async(mConnection,
-1,
GetVoidCallback,
(void*)runnable,
NS_ConvertUTF16toUTF8(aAdapterPath).get(),
DBUS_ADAPTER_IFACE,
"RemoveDevice",
DBUS_TYPE_OBJECT_PATH, &deviceObjectPath,
DBUS_TYPE_INVALID);
if (!ret) {
NS_WARNING("Could not start async function!");
return NS_ERROR_FAILURE;
}
runnable.forget();
return NS_OK;
}
bool
BluetoothDBusService::SetPinCodeInternal(const nsAString& aDeviceAddress, const nsAString& aPinCode)
{
DBusMessage *msg;
if (!sPairingReqTable.Get(aDeviceAddress, &msg)) {
LOG("%s: Couldn't get original request message.", __FUNCTION__);
return false;
}
DBusMessage *reply = dbus_message_new_method_return(msg);
if (!reply) {
LOG("%s: Memory can't be allocated for the message.", __FUNCTION__);
dbus_message_unref(msg);
return false;
}
bool result;
nsCString tempPinCode = NS_ConvertUTF16toUTF8(aPinCode);
const char* pinCode = tempPinCode.get();
if (!dbus_message_append_args(reply,
DBUS_TYPE_STRING, &pinCode,
DBUS_TYPE_INVALID)) {
LOG("%s: Couldn't append arguments to dbus message.", __FUNCTION__);
result = false;
} else {
result = dbus_connection_send(mConnection, reply, NULL);
}
dbus_message_unref(msg);
dbus_message_unref(reply);
sPairingReqTable.Remove(aDeviceAddress);
return result;
}
bool
BluetoothDBusService::SetPasskeyInternal(const nsAString& aDeviceAddress, uint32_t aPasskey)
{
DBusMessage *msg;
if (!sPairingReqTable.Get(aDeviceAddress, &msg)) {
LOG("%s: Couldn't get original request message.", __FUNCTION__);
return false;
}
DBusMessage *reply = dbus_message_new_method_return(msg);
if (!reply) {
LOG("%s: Memory can't be allocated for the message.", __FUNCTION__);
dbus_message_unref(msg);
return false;
}
uint32_t passkey = aPasskey;
bool result;
if (!dbus_message_append_args(reply,
DBUS_TYPE_UINT32, &passkey,
DBUS_TYPE_INVALID)) {
LOG("%s: Couldn't append arguments to dbus message.", __FUNCTION__);
result = false;
} else {
result = dbus_connection_send(mConnection, reply, NULL);
}
dbus_message_unref(msg);
dbus_message_unref(reply);
sPairingReqTable.Remove(aDeviceAddress);
return result;
}
bool
BluetoothDBusService::SetPairingConfirmationInternal(const nsAString& aDeviceAddress, bool aConfirm)
{
DBusMessage *msg;
if (!sPairingReqTable.Get(aDeviceAddress, &msg)) {
LOG("%s: Couldn't get original request message.", __FUNCTION__);
return false;
}
DBusMessage *reply;
if (aConfirm) {
reply = dbus_message_new_method_return(msg);
} else {
reply = dbus_message_new_error(msg, "org.bluez.Error.Rejected", "User rejected confirmation");
}
if (!reply) {
LOG("%s: Memory can't be allocated for the message.", __FUNCTION__);
dbus_message_unref(msg);
return false;
}
bool result = dbus_connection_send(mConnection, reply, NULL);
dbus_message_unref(msg);
dbus_message_unref(reply);
sPairingReqTable.Remove(aDeviceAddress);
return result;
}
bool
BluetoothDBusService::SetAuthorizationInternal(const nsAString& aDeviceAddress, bool aAllow)
{
DBusMessage *msg;
if (!sAuthorizeReqTable.Get(aDeviceAddress, &msg)) {
LOG("%s: Couldn't get original request message.", __FUNCTION__);
return false;
}
DBusMessage *reply;
if (aAllow) {
reply = dbus_message_new_method_return(msg);
} else {
reply = dbus_message_new_error(msg, "org.bluez.Error.Rejected", "Authorization rejected");
}
if (!reply) {
LOG("%s: Memory can't be allocated for the message.", __FUNCTION__);
dbus_message_unref(msg);
return false;
}
bool result = dbus_connection_send(mConnection, reply, NULL);
dbus_message_unref(msg);
dbus_message_unref(reply);
sAuthorizeReqTable.Remove(aDeviceAddress);
return result;
}
class CreateBluetoothSocketRunnable : public nsRunnable
{
public:
CreateBluetoothSocketRunnable(BluetoothReplyRunnable* aRunnable,
const nsAString& aObjectPath,
const nsAString& aServiceUUID,
int aType,
bool aAuth,
bool aEncrypt)
: mRunnable(dont_AddRef(aRunnable)),
mObjectPath(aObjectPath),
mServiceUUID(aServiceUUID),
mType(aType),
mAuth(aAuth),
mEncrypt(aEncrypt)
{
}
nsresult
Run()
{
NS_WARNING("Running create socket!\n");
MOZ_ASSERT(!NS_IsMainThread());
nsString address = GetAddressFromObjectPath(mObjectPath);
int channel = GetDeviceServiceChannel(mObjectPath, mServiceUUID, 0x0004);
int fd = mozilla::ipc::GetNewSocket(mType, NS_ConvertUTF16toUTF8(address).get(),
channel, mAuth, mEncrypt);
BluetoothValue v;
nsString replyError;
if (fd < 0) {
replyError.AssignLiteral("SocketConnectionError");
DispatchBluetoothReply(mRunnable, v, replyError);
return NS_ERROR_FAILURE;
}
v = (uint32_t)fd;
DispatchBluetoothReply(mRunnable, v, replyError);
return NS_OK;
}
private:
nsRefPtr<BluetoothReplyRunnable> mRunnable;
nsString mObjectPath;
nsString mServiceUUID;
int mType;
bool mAuth;
bool mEncrypt;
};
nsresult
BluetoothDBusService::GetSocketViaService(const nsAString& aObjectPath,
const nsAString& aService,
int aType,
bool aAuth,
bool aEncrypt,
BluetoothReplyRunnable* aRunnable)
{
NS_ASSERTION(NS_IsMainThread(), "Must be called from main thread!");
if (!mConnection || !gThreadConnection) {
NS_ERROR("Bluetooth service not started yet!");
return NS_ERROR_FAILURE;
}
nsRefPtr<BluetoothReplyRunnable> runnable = aRunnable;
nsRefPtr<nsRunnable> func(new CreateBluetoothSocketRunnable(runnable, aObjectPath,
aService, aType,
aAuth, aEncrypt));
if (NS_FAILED(mBluetoothCommandThread->Dispatch(func, NS_DISPATCH_NORMAL))) {
NS_WARNING("Cannot dispatch firmware loading task!");
return NS_ERROR_FAILURE;
}
runnable.forget();
return NS_OK;
}
class CloseBluetoothSocketRunnable : public nsRunnable
{
public:
CloseBluetoothSocketRunnable(BluetoothReplyRunnable* aRunnable,
int aFd)
: mRunnable(dont_AddRef(aRunnable)),
mFd(aFd)
{
}
nsresult
Run()
{
BluetoothValue v;
nsString replyError;
if (mozilla::ipc::CloseSocket(mFd) != 0) {
replyError.AssignLiteral("SocketConnectionError");
DispatchBluetoothReply(mRunnable, v, replyError);
return NS_ERROR_FAILURE;
}
DispatchBluetoothReply(mRunnable, v, replyError);
return NS_OK;
}
private:
nsRefPtr<BluetoothReplyRunnable> mRunnable;
int mFd;
};
bool
BluetoothDBusService::CloseSocket(int aFd, BluetoothReplyRunnable* aRunnable)
{
NS_ASSERTION(NS_IsMainThread(), "Must be called from main thread!");
if (!mConnection || !gThreadConnection) {
NS_ERROR("Bluetooth service not started yet!");
return false;
}
nsRefPtr<BluetoothReplyRunnable> runnable = aRunnable;
nsRefPtr<nsRunnable> func(new CloseBluetoothSocketRunnable(runnable, aFd));
if (NS_FAILED(mBluetoothCommandThread->Dispatch(func, NS_DISPATCH_NORMAL))) {
NS_WARNING("Cannot dispatch firmware loading task!");
return false;
}
runnable.forget();
return true;
}
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