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;
}
// 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::Init(const nsCString &aHost, const uint16_t aPort)
{
nsresult rv;
NS_ASSERTION(mFilter, "No packet filter");
nsCOMPtr<nsIUDPSocket> sock =
do_CreateInstance("@mozilla.org/network/udp-socket;1", &rv);
if (NS_FAILED(rv)) {
FireInternalError(this, __LINE__);
return true;
}
if (aHost.IsEmpty()) {
rv = sock->Init(aPort, false);
} else {
PRNetAddr prAddr;
PR_InitializeNetAddr(PR_IpAddrAny, aPort, &prAddr);
PRStatus status = PR_StringToNetAddr(aHost.BeginReading(), &prAddr);
if (status != PR_SUCCESS) {
FireInternalError(this, __LINE__);
return true;
}
mozilla::net::NetAddr addr;
PRNetAddrToNetAddr(&prAddr, &addr);
rv = sock->InitWithAddress(&addr);
}
if (NS_FAILED(rv)) {
FireInternalError(this, __LINE__);
return true;
}
mSocket = sock;
net::NetAddr localAddr;
mSocket->GetAddress(&localAddr);
uint16_t port;
nsCString addr;
rv = ConvertNetAddrToString(localAddr, &addr, &port);
if (NS_FAILED(rv)) {
FireInternalError(this, __LINE__);
return true;
}
// register listener
mSocket->AsyncListen(this);
mozilla::unused <<
PUDPSocketParent::SendCallback(NS_LITERAL_CSTRING("onopen"),
UDPAddressInfo(addr, port),
NS_LITERAL_CSTRING("connected"));
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;
}