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-rw-r--r--ipc/unixsocket/SocketBase.cpp449
1 files changed, 0 insertions, 449 deletions
diff --git a/ipc/unixsocket/SocketBase.cpp b/ipc/unixsocket/SocketBase.cpp
deleted file mode 100644
index b11729652..000000000
--- a/ipc/unixsocket/SocketBase.cpp
+++ /dev/null
@@ -1,449 +0,0 @@
-/* -*- Mode: c++; c-basic-offset: 2; indent-tabs-mode: nil; tab-width: 40 -*- */
-/* vim: set ts=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 "SocketBase.h"
-#include <errno.h>
-#include <string.h>
-#include <unistd.h>
-#include "nsISupportsImpl.h" // for MOZ_COUNT_CTOR, MOZ_COUNT_DTOR
-
-namespace mozilla {
-namespace ipc {
-
-//
-// UnixSocketIOBuffer
-//
-
-UnixSocketBuffer::UnixSocketBuffer()
- : mSize(0)
- , mOffset(0)
- , mAvailableSpace(0)
- , mData(nullptr)
-{
- MOZ_COUNT_CTOR(UnixSocketBuffer);
-}
-
-UnixSocketBuffer::~UnixSocketBuffer()
-{
- MOZ_COUNT_DTOR(UnixSocketBuffer);
-
- // Make sure that the caller released the buffer's memory.
- MOZ_ASSERT(!GetBuffer());
-}
-
-const uint8_t*
-UnixSocketBuffer::Consume(size_t aLen)
-{
- if (NS_WARN_IF(GetSize() < aLen)) {
- return nullptr;
- }
- uint8_t* data = mData + mOffset;
- mOffset += aLen;
- return data;
-}
-
-nsresult
-UnixSocketBuffer::Read(void* aValue, size_t aLen)
-{
- const uint8_t* data = Consume(aLen);
- if (!data) {
- return NS_ERROR_OUT_OF_MEMORY;
- }
- memcpy(aValue, data, aLen);
- return NS_OK;
-}
-
-uint8_t*
-UnixSocketBuffer::Append(size_t aLen)
-{
- if (((mAvailableSpace - mSize) < aLen)) {
- size_t availableSpace = mAvailableSpace + std::max(mAvailableSpace, aLen);
- uint8_t* data = new uint8_t[availableSpace];
- memcpy(data, mData, mSize);
- mData = data;
- mAvailableSpace = availableSpace;
- }
- uint8_t* data = mData + mSize;
- mSize += aLen;
- return data;
-}
-
-nsresult
-UnixSocketBuffer::Write(const void* aValue, size_t aLen)
-{
- uint8_t* data = Append(aLen);
- if (!data) {
- return NS_ERROR_OUT_OF_MEMORY;
- }
- memcpy(data, aValue, aLen);
- return NS_OK;
-}
-
-void
-UnixSocketBuffer::CleanupLeadingSpace()
-{
- if (GetLeadingSpace()) {
- if (GetSize() <= GetLeadingSpace()) {
- memcpy(mData, GetData(), GetSize());
- } else {
- memmove(mData, GetData(), GetSize());
- }
- mOffset = 0;
- }
-}
-
-//
-// UnixSocketIOBuffer
-//
-
-UnixSocketIOBuffer::UnixSocketIOBuffer()
-{
- MOZ_COUNT_CTOR_INHERITED(UnixSocketIOBuffer, UnixSocketBuffer);
-}
-
-UnixSocketIOBuffer::~UnixSocketIOBuffer()
-{
- MOZ_COUNT_DTOR_INHERITED(UnixSocketIOBuffer, UnixSocketBuffer);
-}
-
-//
-// UnixSocketRawData
-//
-
-UnixSocketRawData::UnixSocketRawData(const void* aData, size_t aSize)
-{
- MOZ_ASSERT(aData || !aSize);
-
- MOZ_COUNT_CTOR_INHERITED(UnixSocketRawData, UnixSocketIOBuffer);
-
- ResetBuffer(static_cast<uint8_t*>(memcpy(new uint8_t[aSize], aData, aSize)),
- 0, aSize, aSize);
-}
-
-UnixSocketRawData::UnixSocketRawData(UniquePtr<uint8_t[]> aData, size_t aSize)
-{
- MOZ_ASSERT(aData || !aSize);
-
- MOZ_COUNT_CTOR_INHERITED(UnixSocketRawData, UnixSocketIOBuffer);
-
- ResetBuffer(aData.release(), 0, aSize, aSize);
-}
-
-UnixSocketRawData::UnixSocketRawData(size_t aSize)
-{
- MOZ_COUNT_CTOR_INHERITED(UnixSocketRawData, UnixSocketIOBuffer);
-
- ResetBuffer(new uint8_t[aSize], 0, 0, aSize);
-}
-
-UnixSocketRawData::~UnixSocketRawData()
-{
- MOZ_COUNT_DTOR_INHERITED(UnixSocketRawData, UnixSocketIOBuffer);
-
- UniquePtr<uint8_t[]> data(GetBuffer());
- ResetBuffer(nullptr, 0, 0, 0);
-}
-
-ssize_t
-UnixSocketRawData::Receive(int aFd)
-{
- if (!GetTrailingSpace()) {
- if (!GetLeadingSpace()) {
- return -1; /* buffer is full */
- }
- /* free up space at the end of data buffer */
- CleanupLeadingSpace();
- }
-
- ssize_t res =
- TEMP_FAILURE_RETRY(read(aFd, GetTrailingBytes(), GetTrailingSpace()));
-
- if (res < 0) {
- /* I/O error */
- return -1;
- } else if (!res) {
- /* EOF or peer shutdown sending */
- return 0;
- }
-
- Append(res); /* mark read data as 'valid' */
-
- return res;
-}
-
-ssize_t
-UnixSocketRawData::Send(int aFd)
-{
- if (!GetSize()) {
- return 0;
- }
-
- ssize_t res = TEMP_FAILURE_RETRY(write(aFd, GetData(), GetSize()));
-
- if (res < 0) {
- if (errno == EAGAIN || errno == EWOULDBLOCK) {
- return 0; /* socket is blocked; try again later */
- }
- return -1;
- } else if (!res) {
- /* nothing written */
- return 0;
- }
-
- Consume(res);
-
- return res;
-}
-
-//
-// SocketBase
-//
-
-SocketConnectionStatus
-SocketBase::GetConnectionStatus() const
-{
- return mConnectionStatus;
-}
-
-int
-SocketBase::GetSuggestedConnectDelayMs() const
-{
- return mConnectDelayMs;
-}
-
-void
-SocketBase::NotifySuccess()
-{
- mConnectionStatus = SOCKET_CONNECTED;
- mConnectTimestamp = PR_IntervalNow();
- OnConnectSuccess();
-}
-
-void
-SocketBase::NotifyError()
-{
- mConnectionStatus = SOCKET_DISCONNECTED;
- mConnectDelayMs = CalculateConnectDelayMs();
- mConnectTimestamp = 0;
- OnConnectError();
-}
-
-void
-SocketBase::NotifyDisconnect()
-{
- mConnectionStatus = SOCKET_DISCONNECTED;
- mConnectDelayMs = CalculateConnectDelayMs();
- mConnectTimestamp = 0;
- OnDisconnect();
-}
-
-uint32_t
-SocketBase::CalculateConnectDelayMs() const
-{
- uint32_t connectDelayMs = mConnectDelayMs;
-
- if (mConnectTimestamp && (PR_IntervalNow()-mConnectTimestamp) > connectDelayMs) {
- // reset delay if connection has been opened for a while, or...
- connectDelayMs = 0;
- } else if (!connectDelayMs) {
- // ...start with a delay of ~1 sec, or...
- connectDelayMs = 1<<10;
- } else if (connectDelayMs < (1<<16)) {
- // ...otherwise increase delay by a factor of 2
- connectDelayMs <<= 1;
- }
- return connectDelayMs;
-}
-
-SocketBase::SocketBase()
-: mConnectionStatus(SOCKET_DISCONNECTED)
-, mConnectTimestamp(0)
-, mConnectDelayMs(0)
-{
- MOZ_COUNT_CTOR(SocketBase);
-}
-
-SocketBase::~SocketBase()
-{
- MOZ_ASSERT(mConnectionStatus == SOCKET_DISCONNECTED);
-
- MOZ_COUNT_DTOR(SocketBase);
-}
-
-void
-SocketBase::SetConnectionStatus(SocketConnectionStatus aConnectionStatus)
-{
- mConnectionStatus = aConnectionStatus;
-}
-
-//
-// SocketIOBase
-//
-
-SocketIOBase::SocketIOBase(MessageLoop* aConsumerLoop)
- : mConsumerLoop(aConsumerLoop)
-{
- MOZ_ASSERT(mConsumerLoop);
-
- MOZ_COUNT_CTOR(SocketIOBase);
-}
-
-SocketIOBase::~SocketIOBase()
-{
- MOZ_COUNT_DTOR(SocketIOBase);
-}
-
-MessageLoop*
-SocketIOBase::GetConsumerThread() const
-{
- return mConsumerLoop;
-}
-
-bool
-SocketIOBase::IsConsumerThread() const
-{
- return GetConsumerThread() == MessageLoop::current();
-}
-
-//
-// SocketEventTask
-//
-
-SocketEventTask::SocketEventTask(SocketIOBase* aIO, SocketEvent aEvent)
- : SocketTask<SocketIOBase>(aIO)
- , mEvent(aEvent)
-{
- MOZ_COUNT_CTOR(SocketEventTask);
-}
-
-SocketEventTask::~SocketEventTask()
-{
- MOZ_COUNT_DTOR(SocketEventTask);
-}
-
-NS_IMETHODIMP
-SocketEventTask::Run()
-{
- SocketIOBase* io = SocketTask<SocketIOBase>::GetIO();
-
- MOZ_ASSERT(io->IsConsumerThread());
-
- if (NS_WARN_IF(io->IsShutdownOnConsumerThread())) {
- // Since we've already explicitly closed and the close
- // happened before this, this isn't really an error.
- return NS_OK;
- }
-
- SocketBase* socketBase = io->GetSocketBase();
- MOZ_ASSERT(socketBase);
-
- if (mEvent == CONNECT_SUCCESS) {
- socketBase->NotifySuccess();
- } else if (mEvent == CONNECT_ERROR) {
- socketBase->NotifyError();
- } else if (mEvent == DISCONNECT) {
- socketBase->NotifyDisconnect();
- }
-
- return NS_OK;
-}
-
-//
-// SocketRequestClosingTask
-//
-
-SocketRequestClosingTask::SocketRequestClosingTask(SocketIOBase* aIO)
- : SocketTask<SocketIOBase>(aIO)
-{
- MOZ_COUNT_CTOR(SocketRequestClosingTask);
-}
-
-SocketRequestClosingTask::~SocketRequestClosingTask()
-{
- MOZ_COUNT_DTOR(SocketRequestClosingTask);
-}
-
-NS_IMETHODIMP
-SocketRequestClosingTask::Run()
-{
- SocketIOBase* io = SocketTask<SocketIOBase>::GetIO();
-
- MOZ_ASSERT(io->IsConsumerThread());
-
- if (NS_WARN_IF(io->IsShutdownOnConsumerThread())) {
- // Since we've already explicitly closed and the close
- // happened before this, this isn't really an error.
- return NS_OK;
- }
-
- SocketBase* socketBase = io->GetSocketBase();
- MOZ_ASSERT(socketBase);
-
- socketBase->Close();
-
- return NS_OK;
-}
-
-//
-// SocketDeleteInstanceTask
-//
-
-SocketDeleteInstanceTask::SocketDeleteInstanceTask(SocketIOBase* aIO)
- : mIO(aIO)
-{
- MOZ_COUNT_CTOR(SocketDeleteInstanceTask);
-}
-
-SocketDeleteInstanceTask::~SocketDeleteInstanceTask()
-{
- MOZ_COUNT_DTOR(SocketDeleteInstanceTask);
-}
-
-NS_IMETHODIMP
-SocketDeleteInstanceTask::Run()
-{
- mIO.reset(); // delete instance
- return NS_OK;
-}
-
-//
-// SocketIOShutdownTask
-//
-
-SocketIOShutdownTask::SocketIOShutdownTask(SocketIOBase* aIO)
- : SocketIOTask<SocketIOBase>(aIO)
-{
- MOZ_COUNT_CTOR(SocketIOShutdownTask);
-}
-
-SocketIOShutdownTask::~SocketIOShutdownTask()
-{
- MOZ_COUNT_DTOR(SocketIOShutdownTask);
-}
-
-NS_IMETHODIMP
-SocketIOShutdownTask::Run()
-{
- SocketIOBase* io = SocketIOTask<SocketIOBase>::GetIO();
-
- MOZ_ASSERT(!io->IsConsumerThread());
- MOZ_ASSERT(!io->IsShutdownOnIOThread());
-
- // At this point, there should be no new events on the I/O thread
- // after this one with the possible exception of an accept task,
- // which ShutdownOnIOThread will cancel for us. We are now fully
- // shut down, so we can send a message to the consumer thread to
- // delete |io| safely knowing that it's not reference any longer.
- io->ShutdownOnIOThread();
- io->GetConsumerThread()->PostTask(
- MakeAndAddRef<SocketDeleteInstanceTask>(io));
- return NS_OK;
-}
-
-}
-}