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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this file,
* You can obtain one at http://mozilla.org/MPL/2.0/. */
#include "UDPSocketChild.h"
#include "UDPSocket.h"
#include "mozilla/Unused.h"
#include "mozilla/ipc/IPCStreamUtils.h"
#include "mozilla/net/NeckoChild.h"
#include "mozilla/dom/ContentChild.h"
#include "mozilla/dom/PermissionMessageUtils.h"
#include "mozilla/ipc/BackgroundChild.h"
#include "mozilla/ipc/PBackgroundChild.h"
#include "mozilla/ipc/BackgroundUtils.h"
#include "mozilla/ipc/PBackgroundSharedTypes.h"
using mozilla::net::gNeckoChild;
namespace mozilla::dom {
NS_IMPL_ISUPPORTS(UDPSocketChildBase, nsISupports)
UDPSocketChildBase::UDPSocketChildBase() : mIPCOpen(false) {}
UDPSocketChildBase::~UDPSocketChildBase() = default;
void UDPSocketChildBase::ReleaseIPDLReference() {
MOZ_ASSERT(mIPCOpen);
mIPCOpen = false;
mSocket = nullptr;
this->Release();
}
void UDPSocketChildBase::AddIPDLReference() {
MOZ_ASSERT(!mIPCOpen);
mIPCOpen = true;
this->AddRef();
}
NS_IMETHODIMP_(MozExternalRefCountType) UDPSocketChild::Release(void) {
nsrefcnt refcnt = UDPSocketChildBase::Release();
if (refcnt == 1 && mIPCOpen) {
PUDPSocketChild::SendRequestDelete();
return 1;
}
return refcnt;
}
UDPSocketChild::UDPSocketChild() : mBackgroundManager(nullptr), mLocalPort(0) {}
UDPSocketChild::~UDPSocketChild() = default;
nsresult UDPSocketChild::SetBackgroundSpinsEvents() {
using mozilla::ipc::BackgroundChild;
mBackgroundManager = BackgroundChild::GetOrCreateForCurrentThread();
if (NS_WARN_IF(!mBackgroundManager)) {
return NS_ERROR_FAILURE;
}
return NS_OK;
}
nsresult UDPSocketChild::Bind(nsIUDPSocketInternal* aSocket,
nsIPrincipal* aPrincipal, const nsACString& aHost,
uint16_t aPort, bool aAddressReuse,
bool aLoopback, uint32_t recvBufferSize,
uint32_t sendBufferSize) {
UDPSOCKET_LOG(
("%s: %s:%u", __FUNCTION__, PromiseFlatCString(aHost).get(), aPort));
NS_ENSURE_ARG(aSocket);
if (NS_IsMainThread()) {
if (!gNeckoChild->SendPUDPSocketConstructor(this, aPrincipal,
mFilterName)) {
return NS_ERROR_FAILURE;
}
} else {
if (!mBackgroundManager) {
return NS_ERROR_NOT_AVAILABLE;
}
// If we want to support a passed-in principal here we'd need to
// convert it to a PrincipalInfo
MOZ_ASSERT(!aPrincipal);
if (!mBackgroundManager->SendPUDPSocketConstructor(this, Nothing(),
mFilterName)) {
return NS_ERROR_FAILURE;
}
}
mSocket = aSocket;
AddIPDLReference();
SendBind(UDPAddressInfo(nsCString(aHost), aPort), aAddressReuse, aLoopback,
recvBufferSize, sendBufferSize);
return NS_OK;
}
void UDPSocketChild::Connect(nsIUDPSocketInternal* aSocket,
const nsACString& aHost, uint16_t aPort) {
UDPSOCKET_LOG(
("%s: %s:%u", __FUNCTION__, PromiseFlatCString(aHost).get(), aPort));
mSocket = aSocket;
SendConnect(UDPAddressInfo(nsCString(aHost), aPort));
}
void UDPSocketChild::Close() { SendClose(); }
nsresult UDPSocketChild::SendWithAddress(const NetAddr* aAddr,
const uint8_t* aData,
uint32_t aByteLength) {
NS_ENSURE_ARG(aAddr);
NS_ENSURE_ARG(aData);
UDPSOCKET_LOG(("%s: %u bytes", __FUNCTION__, aByteLength));
return SendDataInternal(UDPSocketAddr(*aAddr), aData, aByteLength);
}
nsresult UDPSocketChild::SendDataInternal(const UDPSocketAddr& aAddr,
const uint8_t* aData,
const uint32_t aByteLength) {
NS_ENSURE_ARG(aData);
FallibleTArray<uint8_t> fallibleArray;
if (!fallibleArray.InsertElementsAt(0, aData, aByteLength, fallible)) {
return NS_ERROR_OUT_OF_MEMORY;
}
SendOutgoingData(UDPData{std::move(fallibleArray)}, aAddr);
return NS_OK;
}
nsresult UDPSocketChild::SendBinaryStream(const nsACString& aHost,
uint16_t aPort,
nsIInputStream* aStream) {
NS_ENSURE_ARG(aStream);
mozilla::ipc::IPCStream stream;
if (NS_WARN_IF(!mozilla::ipc::SerializeIPCStream(do_AddRef(aStream), stream,
/* aAllowLazy */ false))) {
return NS_ERROR_UNEXPECTED;
}
UDPSOCKET_LOG(
("%s: %s:%u", __FUNCTION__, PromiseFlatCString(aHost).get(), aPort));
SendOutgoingData(UDPData(stream),
UDPSocketAddr(UDPAddressInfo(nsCString(aHost), aPort)));
return NS_OK;
}
void UDPSocketChild::JoinMulticast(const nsACString& aMulticastAddress,
const nsACString& aInterface) {
SendJoinMulticast(aMulticastAddress, aInterface);
}
void UDPSocketChild::LeaveMulticast(const nsACString& aMulticastAddress,
const nsACString& aInterface) {
SendLeaveMulticast(aMulticastAddress, aInterface);
}
nsresult UDPSocketChild::SetFilterName(const nsACString& aFilterName) {
if (!mFilterName.IsEmpty()) {
// filter name can only be set once.
return NS_ERROR_FAILURE;
}
mFilterName = aFilterName;
return NS_OK;
}
// PUDPSocketChild Methods
mozilla::ipc::IPCResult UDPSocketChild::RecvCallbackOpened(
const UDPAddressInfo& aAddressInfo) {
mLocalAddress = aAddressInfo.addr();
mLocalPort = aAddressInfo.port();
UDPSOCKET_LOG(("%s: %s:%u", __FUNCTION__, mLocalAddress.get(), mLocalPort));
nsresult rv = mSocket->CallListenerOpened();
mozilla::Unused << NS_WARN_IF(NS_FAILED(rv));
return IPC_OK();
}
// PUDPSocketChild Methods
mozilla::ipc::IPCResult UDPSocketChild::RecvCallbackConnected(
const UDPAddressInfo& aAddressInfo) {
mLocalAddress = aAddressInfo.addr();
mLocalPort = aAddressInfo.port();
UDPSOCKET_LOG(("%s: %s:%u", __FUNCTION__, mLocalAddress.get(), mLocalPort));
nsresult rv = mSocket->CallListenerConnected();
mozilla::Unused << NS_WARN_IF(NS_FAILED(rv));
return IPC_OK();
}
mozilla::ipc::IPCResult UDPSocketChild::RecvCallbackClosed() {
nsresult rv = mSocket->CallListenerClosed();
mozilla::Unused << NS_WARN_IF(NS_FAILED(rv));
return IPC_OK();
}
mozilla::ipc::IPCResult UDPSocketChild::RecvCallbackReceivedData(
const UDPAddressInfo& aAddressInfo, nsTArray<uint8_t>&& aData) {
UDPSOCKET_LOG(("%s: %s:%u length %zu", __FUNCTION__,
aAddressInfo.addr().get(), aAddressInfo.port(),
aData.Length()));
nsresult rv = mSocket->CallListenerReceivedData(aAddressInfo.addr(),
aAddressInfo.port(), aData);
mozilla::Unused << NS_WARN_IF(NS_FAILED(rv));
return IPC_OK();
}
mozilla::ipc::IPCResult UDPSocketChild::RecvCallbackError(
const nsCString& aMessage, const nsCString& aFilename,
const uint32_t& aLineNumber) {
UDPSOCKET_LOG(("%s: %s:%s:%u", __FUNCTION__, aMessage.get(), aFilename.get(),
aLineNumber));
nsresult rv = mSocket->CallListenerError(aMessage, aFilename, aLineNumber);
mozilla::Unused << NS_WARN_IF(NS_FAILED(rv));
return IPC_OK();
}
} // namespace mozilla::dom
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