void WifiDisplaySource::disconnectClientAsync() {
ALOGV("disconnectClient");
if (mClientInfo.mPlaybackSession == NULL) {
disconnectClient2();
return;
}
if (mClientInfo.mPlaybackSession != NULL) {
ALOGV("Destroying PlaybackSession");
mClientInfo.mPlaybackSession->destroyAsync();
}
}
void WifiDisplaySource::onMessageReceived(const sp<AMessage> &msg) {
switch (msg->what()) {
case kWhatStart:
{
sp<AReplyToken> replyID;
CHECK(msg->senderAwaitsResponse(&replyID));
AString iface;
CHECK(msg->findString("iface", &iface));
status_t err = OK;
ssize_t colonPos = iface.find(":");
unsigned long port;
if (colonPos >= 0) {
const char *s = iface.c_str() + colonPos + 1;
char *end;
port = strtoul(s, &end, 10);
if (end == s || *end != '\0' || port > 65535) {
err = -EINVAL;
} else {
iface.erase(colonPos, iface.size() - colonPos);
}
} else {
port = kWifiDisplayDefaultPort;
}
if (err == OK) {
if (inet_aton(iface.c_str(), &mInterfaceAddr) != 0) {
sp<AMessage> notify = new AMessage(kWhatRTSPNotify, this);
err = mNetSession->createRTSPServer(
mInterfaceAddr, port, notify, &mSessionID);
} else {
err = -EINVAL;
}
}
mState = AWAITING_CLIENT_CONNECTION;
sp<AMessage> response = new AMessage;
response->setInt32("err", err);
response->postReply(replyID);
break;
}
case kWhatRTSPNotify:
{
int32_t reason;
CHECK(msg->findInt32("reason", &reason));
switch (reason) {
case ANetworkSession::kWhatError:
{
int32_t sessionID;
CHECK(msg->findInt32("sessionID", &sessionID));
int32_t err;
CHECK(msg->findInt32("err", &err));
AString detail;
CHECK(msg->findString("detail", &detail));
ALOGE("An error occurred in session %d (%d, '%s/%s').",
sessionID,
err,
detail.c_str(),
strerror(-err));
mNetSession->destroySession(sessionID);
if (sessionID == mClientSessionID) {
mClientSessionID = 0;
mClient->onDisplayError(
IRemoteDisplayClient::kDisplayErrorUnknown);
}
break;
}
case ANetworkSession::kWhatClientConnected:
{
int32_t sessionID;
CHECK(msg->findInt32("sessionID", &sessionID));
if (mClientSessionID > 0) {
ALOGW("A client tried to connect, but we already "
"have one.");
mNetSession->destroySession(sessionID);
break;
}
CHECK_EQ(mState, AWAITING_CLIENT_CONNECTION);
CHECK(msg->findString("client-ip", &mClientInfo.mRemoteIP));
CHECK(msg->findString("server-ip", &mClientInfo.mLocalIP));
if (mClientInfo.mRemoteIP == mClientInfo.mLocalIP) {
// Disallow connections from the local interface
// for security reasons.
mNetSession->destroySession(sessionID);
break;
}
CHECK(msg->findInt32(
"server-port", &mClientInfo.mLocalPort));
mClientInfo.mPlaybackSessionID = -1;
mClientSessionID = sessionID;
ALOGI("We now have a client (%d) connected.", sessionID);
mState = AWAITING_CLIENT_SETUP;
status_t err = sendM1(sessionID);
CHECK_EQ(err, (status_t)OK);
break;
}
case ANetworkSession::kWhatData:
{
status_t err = onReceiveClientData(msg);
if (err != OK) {
mClient->onDisplayError(
IRemoteDisplayClient::kDisplayErrorUnknown);
}
#if 0
// testing only.
char val[PROPERTY_VALUE_MAX];
if (property_get("media.wfd.trigger", val, NULL)) {
if (!strcasecmp(val, "pause") && mState == PLAYING) {
mState = PLAYING_TO_PAUSED;
sendTrigger(mClientSessionID, TRIGGER_PAUSE);
} else if (!strcasecmp(val, "play")
&& mState == PAUSED) {
mState = PAUSED_TO_PLAYING;
sendTrigger(mClientSessionID, TRIGGER_PLAY);
}
}
#endif
break;
}
case ANetworkSession::kWhatNetworkStall:
{
break;
}
default:
TRESPASS();
}
break;
}
case kWhatStop:
{
CHECK(msg->senderAwaitsResponse(&mStopReplyID));
CHECK_LT(mState, AWAITING_CLIENT_TEARDOWN);
if (mState >= AWAITING_CLIENT_PLAY) {
// We have a session, i.e. a previous SETUP succeeded.
status_t err = sendTrigger(
mClientSessionID, TRIGGER_TEARDOWN);
if (err == OK) {
mState = AWAITING_CLIENT_TEARDOWN;
(new AMessage(kWhatTeardownTriggerTimedOut, this))->post(
kTeardownTriggerTimeouSecs * 1000000ll);
break;
}
// fall through.
}
finishStop();
break;
}
case kWhatPause:
{
sp<AReplyToken> replyID;
CHECK(msg->senderAwaitsResponse(&replyID));
status_t err = OK;
if (mState != PLAYING) {
err = INVALID_OPERATION;
} else {
mState = PLAYING_TO_PAUSED;
sendTrigger(mClientSessionID, TRIGGER_PAUSE);
}
sp<AMessage> response = new AMessage;
response->setInt32("err", err);
response->postReply(replyID);
break;
}
case kWhatResume:
{
sp<AReplyToken> replyID;
CHECK(msg->senderAwaitsResponse(&replyID));
status_t err = OK;
if (mState != PAUSED) {
err = INVALID_OPERATION;
} else {
mState = PAUSED_TO_PLAYING;
sendTrigger(mClientSessionID, TRIGGER_PLAY);
}
sp<AMessage> response = new AMessage;
response->setInt32("err", err);
response->postReply(replyID);
break;
}
case kWhatReapDeadClients:
{
mReaperPending = false;
if (mClientSessionID == 0
|| mClientInfo.mPlaybackSession == NULL) {
break;
}
if (mClientInfo.mPlaybackSession->getLastLifesignUs()
+ kPlaybackSessionTimeoutUs < ALooper::GetNowUs()) {
ALOGI("playback session timed out, reaping.");
mNetSession->destroySession(mClientSessionID);
mClientSessionID = 0;
mClient->onDisplayError(
IRemoteDisplayClient::kDisplayErrorUnknown);
} else {
scheduleReaper();
}
break;
}
case kWhatPlaybackSessionNotify:
{
int32_t playbackSessionID;
CHECK(msg->findInt32("playbackSessionID", &playbackSessionID));
int32_t what;
CHECK(msg->findInt32("what", &what));
if (what == PlaybackSession::kWhatSessionDead) {
ALOGI("playback session wants to quit.");
mClient->onDisplayError(
IRemoteDisplayClient::kDisplayErrorUnknown);
} else if (what == PlaybackSession::kWhatSessionEstablished) {
mPlaybackSessionEstablished = true;
if (mClient != NULL) {
if (!mSinkSupportsVideo) {
mClient->onDisplayConnected(
NULL, // SurfaceTexture
0, // width,
0, // height,
mUsingHDCP
? IRemoteDisplayClient::kDisplayFlagSecure
: 0,
0);
} else {
size_t width, height;
CHECK(VideoFormats::GetConfiguration(
mChosenVideoResolutionType,
mChosenVideoResolutionIndex,
&width,
&height,
NULL /* framesPerSecond */,
NULL /* interlaced */));
mClient->onDisplayConnected(
mClientInfo.mPlaybackSession
->getSurfaceTexture(),
width,
height,
mUsingHDCP
? IRemoteDisplayClient::kDisplayFlagSecure
: 0,
playbackSessionID);
}
}
finishPlay();
if (mState == ABOUT_TO_PLAY) {
mState = PLAYING;
}
} else if (what == PlaybackSession::kWhatSessionDestroyed) {
disconnectClient2();
} else {
CHECK_EQ(what, PlaybackSession::kWhatBinaryData);
int32_t channel;
CHECK(msg->findInt32("channel", &channel));
sp<ABuffer> data;
CHECK(msg->findBuffer("data", &data));
CHECK_LE(channel, 0xff);
CHECK_LE(data->size(), 0xffffu);
int32_t sessionID;
CHECK(msg->findInt32("sessionID", &sessionID));
char header[4];
header[0] = '$';
header[1] = channel;
header[2] = data->size() >> 8;
header[3] = data->size() & 0xff;
mNetSession->sendRequest(
sessionID, header, sizeof(header));
mNetSession->sendRequest(
sessionID, data->data(), data->size());
}
break;
}
case kWhatKeepAlive:
{
int32_t sessionID;
CHECK(msg->findInt32("sessionID", &sessionID));
if (mClientSessionID != sessionID) {
// Obsolete event, client is already gone.
break;
}
sendM16(sessionID);
break;
}
case kWhatTeardownTriggerTimedOut:
{
if (mState == AWAITING_CLIENT_TEARDOWN) {
ALOGI("TEARDOWN trigger timed out, forcing disconnection.");
CHECK(mStopReplyID != NULL);
finishStop();
break;
}
break;
}
case kWhatHDCPNotify:
{
int32_t msgCode, ext1, ext2;
CHECK(msg->findInt32("msg", &msgCode));
CHECK(msg->findInt32("ext1", &ext1));
CHECK(msg->findInt32("ext2", &ext2));
ALOGI("Saw HDCP notification code %d, ext1 %d, ext2 %d",
msgCode, ext1, ext2);
switch (msgCode) {
case HDCPModule::HDCP_INITIALIZATION_COMPLETE:
{
mHDCPInitializationComplete = true;
if (mSetupTriggerDeferred) {
mSetupTriggerDeferred = false;
sendTrigger(mClientSessionID, TRIGGER_SETUP);
}
break;
}
case HDCPModule::HDCP_SHUTDOWN_COMPLETE:
case HDCPModule::HDCP_SHUTDOWN_FAILED:
{
// Ugly hack to make sure that the call to
// HDCPObserver::notify is completely handled before
// we clear the HDCP instance and unload the shared
// library :(
(new AMessage(kWhatFinishStop2, this))->post(300000ll);
break;
}
default:
{
ALOGE("HDCP failure, shutting down.");
mClient->onDisplayError(
IRemoteDisplayClient::kDisplayErrorUnknown);
break;
}
}
break;
}
case kWhatFinishStop2:
{
finishStop2();
break;
}
default:
TRESPASS();
}
}