// Runs on STS thread
void
UDPSocketParent::DoConnect(nsCOMPtr<nsIUDPSocket>& aSocket,
nsCOMPtr<nsIEventTarget>& aReturnThread,
const UDPAddressInfo& aAddressInfo)
{
UDPSOCKET_LOG(("%s: %s:%u", __FUNCTION__, aAddressInfo.addr().get(), aAddressInfo.port()));
if (NS_FAILED(ConnectInternal(aAddressInfo.addr(), aAddressInfo.port()))) {
SendInternalError(aReturnThread, __LINE__);
return;
}
CheckSTSThread();
nsCOMPtr<nsINetAddr> localAddr;
aSocket->GetLocalAddr(getter_AddRefs(localAddr));
nsCString addr;
if (NS_FAILED(localAddr->GetAddress(addr))) {
SendInternalError(aReturnThread, __LINE__);
return;
}
uint16_t port;
if (NS_FAILED(localAddr->GetPort(&port))) {
SendInternalError(aReturnThread, __LINE__);
return;
}
UDPSOCKET_LOG(("%s: SendConnectResponse: %s:%u", __FUNCTION__, addr.get(), port));
SendConnectResponse(aReturnThread, UDPAddressInfo(addr, port));
}
bool
UDPSocketParent::RecvBind(const UDPAddressInfo& aAddressInfo,
const bool& aAddressReuse, const bool& aLoopback)
{
UDPSOCKET_LOG(("%s: %s:%u", __FUNCTION__, aAddressInfo.addr().get(), aAddressInfo.port()));
if (NS_FAILED(BindInternal(aAddressInfo.addr(), aAddressInfo.port(), aAddressReuse, aLoopback))) {
FireInternalError(__LINE__);
return true;
}
nsCOMPtr<nsINetAddr> localAddr;
mSocket->GetLocalAddr(getter_AddRefs(localAddr));
nsCString addr;
if (NS_FAILED(localAddr->GetAddress(addr))) {
FireInternalError(__LINE__);
return true;
}
uint16_t port;
if (NS_FAILED(localAddr->GetPort(&port))) {
FireInternalError(__LINE__);
return true;
}
UDPSOCKET_LOG(("%s: SendCallbackOpened: %s:%u", __FUNCTION__, addr.get(), port));
mozilla::unused << SendCallbackOpened(UDPAddressInfo(addr, port));
return true;
}
NS_IMETHODIMP
UDPSocketParent::OnPacketReceived(nsIUDPSocket* aSocket, nsIUDPMessage* aMessage)
{
// receiving packet from remote host, forward the message content to child process
if (!mIPCOpen) {
return NS_OK;
}
uint16_t port;
nsCString ip;
nsCOMPtr<nsINetAddr> fromAddr;
aMessage->GetFromAddr(getter_AddRefs(fromAddr));
fromAddr->GetPort(&port);
fromAddr->GetAddress(ip);
nsCString data;
aMessage->GetData(data);
const char* buffer = data.get();
uint32_t len = data.Length();
UDPSOCKET_LOG(("%s: %s:%u, length %u", __FUNCTION__, ip.get(), port, len));
if (mFilter) {
bool allowed;
mozilla::net::NetAddr addr;
fromAddr->GetNetAddr(&addr);
nsresult rv = mFilter->FilterPacket(&addr,
(const uint8_t*)buffer, len,
nsIUDPSocketFilter::SF_INCOMING,
&allowed);
// Receiving unallowed data, drop.
if (NS_WARN_IF(NS_FAILED(rv)) || !allowed) {
if (!allowed) {
UDPSOCKET_LOG(("%s: not allowed", __FUNCTION__));
}
return NS_OK;
}
}
FallibleTArray<uint8_t> fallibleArray;
if (!fallibleArray.InsertElementsAt(0, buffer, len)) {
FireInternalError(__LINE__);
return NS_ERROR_OUT_OF_MEMORY;
}
InfallibleTArray<uint8_t> infallibleArray;
infallibleArray.SwapElements(fallibleArray);
// compose callback
mozilla::unused << SendCallbackReceivedData(UDPAddressInfo(ip, port), infallibleArray);
return NS_OK;
}
nsresult UDPSocketParent::ConnectInternal(const nsCString& aHost,
const uint16_t& aPort) {
nsresult rv;
UDPSOCKET_LOG(("%s: %s:%u", __FUNCTION__, nsCString(aHost).get(), aPort));
if (!mSocket) {
return NS_ERROR_NOT_AVAILABLE;
}
PRNetAddr prAddr;
memset(&prAddr, 0, sizeof(prAddr));
PR_InitializeNetAddr(PR_IpAddrAny, aPort, &prAddr);
PRStatus status = PR_StringToNetAddr(aHost.BeginReading(), &prAddr);
if (status != PR_SUCCESS) {
return NS_ERROR_FAILURE;
}
mozilla::net::NetAddr addr;
PRNetAddrToNetAddr(&prAddr, &addr);
rv = mSocket->Connect(&addr);
if (NS_WARN_IF(NS_FAILED(rv))) {
return rv;
}
return NS_OK;
}
void UDPSocketParent::SendInternalError(nsIEventTarget* aThread,
uint32_t aLineNo) {
UDPSOCKET_LOG(("SendInternalError: %u", aLineNo));
Unused << NS_WARN_IF(NS_FAILED(aThread->Dispatch(
WrapRunnable(RefPtr<UDPSocketParent>(this),
&UDPSocketParent::FireInternalError, aLineNo),
NS_DISPATCH_NORMAL)));
}
nsresult
UDPSocketParent::BindInternal(const nsCString& aHost, const uint16_t& aPort,
const bool& aAddressReuse, const bool& aLoopback)
{
nsresult rv;
UDPSOCKET_LOG(("%s: %s:%u", __FUNCTION__, nsCString(aHost).get(), aPort));
nsCOMPtr<nsIUDPSocket> sock =
do_CreateInstance("@mozilla.org/network/udp-socket;1", &rv);
if (NS_WARN_IF(NS_FAILED(rv))) {
return rv;
}
if (aHost.IsEmpty()) {
rv = sock->Init(aPort, false, mPrincipal, aAddressReuse,
/* optional_argc = */ 1);
} else {
PRNetAddr prAddr;
PR_InitializeNetAddr(PR_IpAddrAny, aPort, &prAddr);
PRStatus status = PR_StringToNetAddr(aHost.BeginReading(), &prAddr);
if (status != PR_SUCCESS) {
return NS_ERROR_FAILURE;
}
mozilla::net::NetAddr addr;
PRNetAddrToNetAddr(&prAddr, &addr);
rv = sock->InitWithAddress(&addr, mPrincipal, aAddressReuse,
/* optional_argc = */ 1);
}
if (NS_WARN_IF(NS_FAILED(rv))) {
return rv;
}
rv = sock->SetMulticastLoopback(aLoopback);
if (NS_WARN_IF(NS_FAILED(rv))) {
return rv;
}
// register listener
rv = sock->AsyncListen(this);
if (NS_WARN_IF(NS_FAILED(rv))) {
return rv;
}
mSocket = sock;
return NS_OK;
}
void
nsUDPSocket::OnMsgAttach()
{
UDPSOCKET_LOG(("nsUDPSocket::OnMsgAttach [this=%p]\n", this));
if (NS_FAILED(mCondition))
return;
mCondition = TryAttach();
// if we hit an error while trying to attach then bail...
if (NS_FAILED(mCondition))
{
NS_ASSERTION(!mAttached, "should not be attached already");
OnSocketDetached(mFD);
}
}
void
nsUDPSocket::OnMsgClose()
{
UDPSOCKET_LOG(("nsUDPSocket::OnMsgClose [this=%p]\n", this));
if (NS_FAILED(mCondition))
return;
// tear down socket. this signals the STS to detach our socket handler.
mCondition = NS_BINDING_ABORTED;
// if we are attached, then socket transport service will call our
// OnSocketDetached method automatically. Otherwise, we have to call it
// (and thus close the socket) manually.
if (!mAttached)
OnSocketDetached(mFD);
}
nsresult
UDPSocket::InitLocal(const nsAString& aLocalAddress,
const uint16_t& aLocalPort)
{
nsresult rv;
nsCOMPtr<nsIUDPSocket> sock =
do_CreateInstance("@mozilla.org/network/udp-socket;1", &rv);
if (NS_FAILED(rv)) {
return rv;
}
nsCOMPtr<nsIGlobalObject> global = do_QueryInterface(GetOwner(), &rv);
if (NS_FAILED(rv)) {
return rv;
}
nsCOMPtr<nsIPrincipal> principal = global->PrincipalOrNull();
if (!principal) {
return NS_ERROR_FAILURE;
}
if (aLocalAddress.IsEmpty()) {
rv = sock->Init(aLocalPort, /* loopback = */ false, principal,
mAddressReuse, /* optionalArgc = */ 1);
} else {
PRNetAddr prAddr;
PR_InitializeNetAddr(PR_IpAddrAny, aLocalPort, &prAddr);
PR_StringToNetAddr(NS_ConvertUTF16toUTF8(aLocalAddress).BeginReading(), &prAddr);
UDPSOCKET_LOG(("%s: %s:%u", __FUNCTION__, NS_ConvertUTF16toUTF8(aLocalAddress).get(), aLocalPort));
mozilla::net::NetAddr addr;
PRNetAddrToNetAddr(&prAddr, &addr);
rv = sock->InitWithAddress(&addr, principal, mAddressReuse,
/* optionalArgc = */ 1);
}
if (NS_FAILED(rv)) {
return rv;
}
rv = sock->SetMulticastLoopback(mLoopback);
if (NS_FAILED(rv)) {
return rv;
}
mSocket = sock;
// Get real local address and local port
nsCOMPtr<nsINetAddr> localAddr;
rv = mSocket->GetLocalAddr(getter_AddRefs(localAddr));
if (NS_FAILED(rv)) {
return rv;
}
nsCString localAddress;
rv = localAddr->GetAddress(localAddress);
if (NS_FAILED(rv)) {
return rv;
}
mLocalAddress = NS_ConvertUTF8toUTF16(localAddress);
uint16_t localPort;
rv = localAddr->GetPort(&localPort);
if (NS_FAILED(rv)) {
return rv;
}
mLocalPort.SetValue(localPort);
mListenerProxy = new ListenerProxy(this);
rv = mSocket->AsyncListen(mListenerProxy);
if (NS_FAILED(rv)) {
return rv;
}
mReadyState = SocketReadyState::Open;
rv = DoPendingMcastCommand();
if (NS_FAILED(rv)) {
return rv;
}
mOpened->MaybeResolve(JS::UndefinedHandleValue);
return NS_OK;
}
bool
UDPSocket::Send(const StringOrBlobOrArrayBufferOrArrayBufferView& aData,
const Optional<nsAString>& aRemoteAddress,
const Optional<Nullable<uint16_t>>& aRemotePort,
ErrorResult& aRv)
{
if (mReadyState != SocketReadyState::Open) {
aRv.Throw(NS_ERROR_DOM_INVALID_STATE_ERR);
return false;
}
MOZ_ASSERT(mSocket || mSocketChild);
// If the remote address and port were not specified in the constructor or as arguments,
// throw InvalidAccessError.
nsCString remoteAddress;
if (aRemoteAddress.WasPassed()) {
remoteAddress = NS_ConvertUTF16toUTF8(aRemoteAddress.Value());
UDPSOCKET_LOG(("%s: Send to %s", __FUNCTION__, remoteAddress.get()));
} else if (!mRemoteAddress.IsVoid()) {
remoteAddress = mRemoteAddress;
UDPSOCKET_LOG(("%s: Send to %s", __FUNCTION__, remoteAddress.get()));
} else {
aRv.Throw(NS_ERROR_DOM_INVALID_ACCESS_ERR);
return false;
}
uint16_t remotePort;
if (aRemotePort.WasPassed() && !aRemotePort.Value().IsNull()) {
remotePort = aRemotePort.Value().Value();
} else if (!mRemotePort.IsNull()) {
remotePort = mRemotePort.Value();
} else {
aRv.Throw(NS_ERROR_DOM_INVALID_ACCESS_ERR);
return false;
}
nsCOMPtr<nsIInputStream> stream;
if (aData.IsBlob()) {
Blob& blob = aData.GetAsBlob();
blob.GetInternalStream(getter_AddRefs(stream), aRv);
if (NS_WARN_IF(aRv.Failed())) {
return false;
}
} else {
nsresult rv;
nsCOMPtr<nsIStringInputStream> strStream = do_CreateInstance(NS_STRINGINPUTSTREAM_CONTRACTID, &rv);
if (NS_WARN_IF(NS_FAILED(rv))) {
aRv.Throw(rv);
return false;
}
if (aData.IsString()) {
NS_ConvertUTF16toUTF8 data(aData.GetAsString());
aRv = strStream->SetData(data.BeginReading(), data.Length());
} else if (aData.IsArrayBuffer()) {
const ArrayBuffer& data = aData.GetAsArrayBuffer();
data.ComputeLengthAndData();
aRv = strStream->SetData(reinterpret_cast<const char*>(data.Data()), data.Length());
} else {
const ArrayBufferView& data = aData.GetAsArrayBufferView();
data.ComputeLengthAndData();
aRv = strStream->SetData(reinterpret_cast<const char*>(data.Data()), data.Length());
}
if (NS_WARN_IF(aRv.Failed())) {
return false;
}
stream = strStream;
}
if (mSocket) {
aRv = mSocket->SendBinaryStream(remoteAddress, remotePort, stream);
} else if (mSocketChild) {
aRv = mSocketChild->SendBinaryStream(remoteAddress, remotePort, stream);
}
if (NS_WARN_IF(aRv.Failed())) {
return false;
}
return true;
}
nsresult
UDPSocketParent::BindInternal(const nsCString& aHost, const uint16_t& aPort,
const bool& aAddressReuse, const bool& aLoopback,
const uint32_t& recvBufferSize,
const uint32_t& sendBufferSize)
{
nsresult rv;
UDPSOCKET_LOG(("%s: [this=%p] %s:%u addressReuse: %d loopback: %d recvBufferSize: %lu, sendBufferSize: %lu",
__FUNCTION__, this, nsCString(aHost).get(), aPort,
aAddressReuse, aLoopback, recvBufferSize, sendBufferSize));
nsCOMPtr<nsIUDPSocket> sock =
do_CreateInstance("@mozilla.org/network/udp-socket;1", &rv);
if (NS_WARN_IF(NS_FAILED(rv))) {
return rv;
}
if (aHost.IsEmpty()) {
rv = sock->Init(aPort, false, mPrincipal, aAddressReuse,
/* optional_argc = */ 1);
} else {
PRNetAddr prAddr;
PR_InitializeNetAddr(PR_IpAddrAny, aPort, &prAddr);
PRStatus status = PR_StringToNetAddr(aHost.BeginReading(), &prAddr);
if (status != PR_SUCCESS) {
return NS_ERROR_FAILURE;
}
mozilla::net::NetAddr addr;
PRNetAddrToNetAddr(&prAddr, &addr);
rv = sock->InitWithAddress(&addr, mPrincipal, aAddressReuse,
/* optional_argc = */ 1);
}
if (NS_WARN_IF(NS_FAILED(rv))) {
return rv;
}
nsCOMPtr<nsINetAddr> laddr;
rv = sock->GetLocalAddr(getter_AddRefs(laddr));
if (NS_WARN_IF(NS_FAILED(rv))) {
return rv;
}
uint16_t family;
rv = laddr->GetFamily(&family);
if (NS_WARN_IF(NS_FAILED(rv))) {
return rv;
}
if (family == nsINetAddr::FAMILY_INET) {
rv = sock->SetMulticastLoopback(aLoopback);
if (NS_WARN_IF(NS_FAILED(rv))) {
return rv;
}
}
// TODO: once bug 1252759 is fixed query buffer first and only increase
if (recvBufferSize != 0) {
rv = sock->SetRecvBufferSize(recvBufferSize);
if (NS_WARN_IF(NS_FAILED(rv))) {
UDPSOCKET_LOG(("%s: [this=%p] %s:%u failed to set recv buffer size to: %lu", __FUNCTION__, this, nsCString(aHost).get(), aPort, recvBufferSize));
}
}
if (sendBufferSize != 0) {
rv = sock->SetSendBufferSize(sendBufferSize);
if (NS_WARN_IF(NS_FAILED(rv))) {
UDPSOCKET_LOG(("%s: [this=%p] %s:%u failed to set send buffer size to: %lu", __FUNCTION__, this, nsCString(aHost).get(), aPort, sendBufferSize));
}
}
// register listener
rv = sock->AsyncListen(this);
if (NS_WARN_IF(NS_FAILED(rv))) {
return rv;
}
mSocket = sock;
return NS_OK;
}