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-rw-r--r--ipc/unixsocket/ConnectionOrientedSocket.cpp202
-rw-r--r--ipc/unixsocket/ConnectionOrientedSocket.h122
-rw-r--r--ipc/unixsocket/DataSocket.cpp136
-rw-r--r--ipc/unixsocket/DataSocket.h145
-rw-r--r--ipc/unixsocket/ListenSocket.cpp432
-rw-r--r--ipc/unixsocket/ListenSocket.h93
-rw-r--r--ipc/unixsocket/ListenSocketConsumer.cpp20
-rw-r--r--ipc/unixsocket/ListenSocketConsumer.h46
-rw-r--r--ipc/unixsocket/SocketBase.cpp449
-rw-r--r--ipc/unixsocket/SocketBase.h585
-rw-r--r--ipc/unixsocket/StreamSocket.cpp482
-rw-r--r--ipc/unixsocket/StreamSocket.h95
-rw-r--r--ipc/unixsocket/StreamSocketConsumer.cpp20
-rw-r--r--ipc/unixsocket/StreamSocketConsumer.h60
-rw-r--r--ipc/unixsocket/UnixSocketConnector.cpp38
-rw-r--r--ipc/unixsocket/UnixSocketConnector.h102
-rw-r--r--ipc/unixsocket/moz.build31
17 files changed, 3058 insertions, 0 deletions
diff --git a/ipc/unixsocket/ConnectionOrientedSocket.cpp b/ipc/unixsocket/ConnectionOrientedSocket.cpp
new file mode 100644
index 000000000..abcfd1734
--- /dev/null
+++ b/ipc/unixsocket/ConnectionOrientedSocket.cpp
@@ -0,0 +1,202 @@
+/* -*- 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 "ConnectionOrientedSocket.h"
+#include "nsISupportsImpl.h" // for MOZ_COUNT_CTOR, MOZ_COUNT_DTOR
+#include "UnixSocketConnector.h"
+
+namespace mozilla {
+namespace ipc {
+
+//
+// ConnectionOrientedSocketIO
+//
+
+ConnectionOrientedSocketIO::ConnectionOrientedSocketIO(
+ MessageLoop* aConsumerLoop,
+ MessageLoop* aIOLoop,
+ int aFd, ConnectionStatus aConnectionStatus,
+ UnixSocketConnector* aConnector)
+ : DataSocketIO(aConsumerLoop)
+ , UnixSocketWatcher(aIOLoop, aFd, aConnectionStatus)
+ , mConnector(aConnector)
+ , mPeerAddressLength(0)
+{
+ MOZ_ASSERT(mConnector);
+
+ MOZ_COUNT_CTOR_INHERITED(ConnectionOrientedSocketIO, DataSocketIO);
+}
+
+ConnectionOrientedSocketIO::ConnectionOrientedSocketIO(
+ MessageLoop* aConsumerLoop,
+ MessageLoop* aIOLoop,
+ UnixSocketConnector* aConnector)
+ : DataSocketIO(aConsumerLoop)
+ , UnixSocketWatcher(aIOLoop)
+ , mConnector(aConnector)
+ , mPeerAddressLength(0)
+{
+ MOZ_ASSERT(mConnector);
+
+ MOZ_COUNT_CTOR_INHERITED(ConnectionOrientedSocketIO, DataSocketIO);
+}
+
+ConnectionOrientedSocketIO::~ConnectionOrientedSocketIO()
+{
+ MOZ_COUNT_DTOR_INHERITED(ConnectionOrientedSocketIO, DataSocketIO);
+}
+
+nsresult
+ConnectionOrientedSocketIO::Accept(int aFd,
+ const struct sockaddr* aPeerAddress,
+ socklen_t aPeerAddressLength)
+{
+ MOZ_ASSERT(MessageLoopForIO::current() == GetIOLoop());
+ MOZ_ASSERT(GetConnectionStatus() == SOCKET_IS_CONNECTING);
+
+ SetSocket(aFd, SOCKET_IS_CONNECTED);
+
+ // Address setup
+ mPeerAddressLength = aPeerAddressLength;
+ memcpy(&mPeerAddress, aPeerAddress, mPeerAddressLength);
+
+ // Signal success and start data transfer
+ OnConnected();
+
+ return NS_OK;
+}
+
+nsresult
+ConnectionOrientedSocketIO::Connect()
+{
+ MOZ_ASSERT(MessageLoopForIO::current() == GetIOLoop());
+ MOZ_ASSERT(!IsOpen());
+
+ struct sockaddr* peerAddress =
+ reinterpret_cast<struct sockaddr*>(&mPeerAddress);
+ mPeerAddressLength = sizeof(mPeerAddress);
+
+ int fd;
+ nsresult rv = mConnector->CreateStreamSocket(peerAddress,
+ &mPeerAddressLength,
+ fd);
+ if (NS_FAILED(rv)) {
+ // Tell the consumer thread we've errored
+ GetConsumerThread()->PostTask(
+ MakeAndAddRef<SocketEventTask>(this, SocketEventTask::CONNECT_ERROR));
+ return NS_ERROR_FAILURE;
+ }
+
+ SetFd(fd);
+
+ // calls OnConnected() on success, or OnError() otherwise
+ rv = UnixSocketWatcher::Connect(peerAddress, mPeerAddressLength);
+
+ if (NS_FAILED(rv)) {
+ return rv;
+ }
+
+ return NS_OK;
+}
+
+void
+ConnectionOrientedSocketIO::Send(UnixSocketIOBuffer* aBuffer)
+{
+ MOZ_ASSERT(MessageLoopForIO::current() == GetIOLoop());
+
+ EnqueueData(aBuffer);
+ AddWatchers(WRITE_WATCHER, false);
+}
+
+// |UnixSocketWatcher|
+
+void
+ConnectionOrientedSocketIO::OnSocketCanReceiveWithoutBlocking()
+{
+ MOZ_ASSERT(MessageLoopForIO::current() == GetIOLoop());
+ MOZ_ASSERT(GetConnectionStatus() == SOCKET_IS_CONNECTED); // see bug 990984
+
+ ssize_t res = ReceiveData(GetFd());
+ if (res < 0) {
+ /* I/O error */
+ RemoveWatchers(READ_WATCHER|WRITE_WATCHER);
+ } else if (!res) {
+ /* EOF or peer shutdown */
+ RemoveWatchers(READ_WATCHER);
+ }
+}
+
+void
+ConnectionOrientedSocketIO::OnSocketCanSendWithoutBlocking()
+{
+ MOZ_ASSERT(MessageLoopForIO::current() == GetIOLoop());
+ MOZ_ASSERT(GetConnectionStatus() == SOCKET_IS_CONNECTED); // see bug 990984
+ MOZ_ASSERT(!IsShutdownOnIOThread());
+
+ nsresult rv = SendPendingData(GetFd());
+ if (NS_FAILED(rv)) {
+ return;
+ }
+
+ if (HasPendingData()) {
+ AddWatchers(WRITE_WATCHER, false);
+ }
+}
+
+void
+ConnectionOrientedSocketIO::OnConnected()
+{
+ MOZ_ASSERT(MessageLoopForIO::current() == GetIOLoop());
+ MOZ_ASSERT(GetConnectionStatus() == SOCKET_IS_CONNECTED);
+
+ GetConsumerThread()->PostTask(
+ MakeAndAddRef<SocketEventTask>(this, SocketEventTask::CONNECT_SUCCESS));
+
+ AddWatchers(READ_WATCHER, true);
+ if (HasPendingData()) {
+ AddWatchers(WRITE_WATCHER, false);
+ }
+}
+
+void
+ConnectionOrientedSocketIO::OnListening()
+{
+ MOZ_ASSERT(MessageLoopForIO::current() == GetIOLoop());
+
+ NS_NOTREACHED("Invalid call to |ConnectionOrientedSocketIO::OnListening|");
+}
+
+void
+ConnectionOrientedSocketIO::OnError(const char* aFunction, int aErrno)
+{
+ MOZ_ASSERT(MessageLoopForIO::current() == GetIOLoop());
+
+ UnixFdWatcher::OnError(aFunction, aErrno);
+
+ // Clean up watchers, status, fd
+ Close();
+
+ // Tell the consumer thread we've errored
+ GetConsumerThread()->PostTask(
+ MakeAndAddRef<SocketEventTask>(this, SocketEventTask::CONNECT_ERROR));
+}
+
+//
+// ConnectionOrientedSocket
+//
+
+ConnectionOrientedSocket::ConnectionOrientedSocket()
+{
+ MOZ_COUNT_CTOR_INHERITED(ConnectionOrientedSocket, DataSocket);
+}
+
+ConnectionOrientedSocket::~ConnectionOrientedSocket()
+{
+ MOZ_COUNT_DTOR_INHERITED(ConnectionOrientedSocket, DataSocket);
+}
+
+}
+}
diff --git a/ipc/unixsocket/ConnectionOrientedSocket.h b/ipc/unixsocket/ConnectionOrientedSocket.h
new file mode 100644
index 000000000..a1236ec4a
--- /dev/null
+++ b/ipc/unixsocket/ConnectionOrientedSocket.h
@@ -0,0 +1,122 @@
+/* -*- 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/. */
+
+#ifndef mozilla_ipc_ConnectionOrientedSocket_h
+#define mozilla_ipc_ConnectionOrientedSocket_h
+
+#include <sys/socket.h>
+#include "DataSocket.h"
+#include "mozilla/ipc/UnixSocketWatcher.h"
+
+class MessageLoop;
+
+namespace mozilla {
+namespace ipc {
+
+class UnixSocketConnector;
+
+/*
+ * |ConnectionOrientedSocketIO| and |ConnectionOrientedSocket| define
+ * interfaces for implementing stream sockets on I/O and consumer thread.
+ * |ListenSocket| uses these classes to handle accepted sockets.
+ */
+
+class ConnectionOrientedSocketIO
+ : public DataSocketIO
+ , public UnixSocketWatcher
+{
+public:
+ virtual ~ConnectionOrientedSocketIO();
+
+ nsresult Accept(int aFd,
+ const struct sockaddr* aAddress,
+ socklen_t aAddressLength);
+
+ nsresult Connect();
+
+ void Send(UnixSocketIOBuffer* aBuffer);
+
+ // Methods for |UnixSocketWatcher|
+ //
+
+ void OnSocketCanReceiveWithoutBlocking() final;
+ void OnSocketCanSendWithoutBlocking() final;
+
+ void OnListening() final;
+ void OnConnected() final;
+ void OnError(const char* aFunction, int aErrno) final;
+
+protected:
+ /**
+ * Constructs an instance of |ConnectionOrientedSocketIO|
+ *
+ * @param aConsumerLoop The socket's consumer thread.
+ * @param aIOLoop The socket's I/O loop.
+ * @param aFd The socket file descriptor.
+ * @param aConnectionStatus The connection status for |aFd|.
+ * @param aConnector Connector object for socket-type-specific methods.
+ */
+ ConnectionOrientedSocketIO(MessageLoop* aConsumerLoop,
+ MessageLoop* aIOLoop,
+ int aFd, ConnectionStatus aConnectionStatus,
+ UnixSocketConnector* aConnector);
+
+ /**
+ * Constructs an instance of |ConnectionOrientedSocketIO|
+ *
+ * @param aConsumerLoop The socket's consumer thread.
+ * @param aIOLoop The socket's I/O loop.
+ * @param aConnector Connector object for socket-type-specific methods.
+ */
+ ConnectionOrientedSocketIO(MessageLoop* aConsumerLoop,
+ MessageLoop* aIOLoop,
+ UnixSocketConnector* aConnector);
+
+private:
+ /**
+ * Connector object used to create the connection we are currently using.
+ */
+ UniquePtr<UnixSocketConnector> mConnector;
+
+ /**
+ * Number of valid bytes in |mPeerAddress|.
+ */
+ socklen_t mPeerAddressLength;
+
+ /**
+ * Address of the socket's current peer.
+ */
+ struct sockaddr_storage mPeerAddress;
+};
+
+class ConnectionOrientedSocket : public DataSocket
+{
+public:
+ /**
+ * Prepares an instance of |ConnectionOrientedSocket| in DISCONNECTED
+ * state for accepting a connection. Consumer-thread only.
+ *
+ * @param aConnector The new connector object, owned by the
+ * connection-oriented socket.
+ * @param aConsumerLoop The socket's consumer thread.
+ * @param aIOLoop The socket's I/O thread.
+ * @param[out] aIO, Returns an instance of |ConnectionOrientedSocketIO|.
+ * @return NS_OK on success, or an XPCOM error code otherwise.
+ */
+ virtual nsresult PrepareAccept(UnixSocketConnector* aConnector,
+ MessageLoop* aConsumerLoop,
+ MessageLoop* aIOLoop,
+ ConnectionOrientedSocketIO*& aIO) = 0;
+
+protected:
+ ConnectionOrientedSocket();
+ virtual ~ConnectionOrientedSocket();
+};
+
+}
+}
+
+#endif // mozilla_ipc_ConnectionOrientedSocket
diff --git a/ipc/unixsocket/DataSocket.cpp b/ipc/unixsocket/DataSocket.cpp
new file mode 100644
index 000000000..057c59203
--- /dev/null
+++ b/ipc/unixsocket/DataSocket.cpp
@@ -0,0 +1,136 @@
+/* -*- 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 "DataSocket.h"
+#ifdef MOZ_TASK_TRACER
+#include "GeckoTaskTracer.h"
+#endif
+#include "nsISupportsImpl.h" // for MOZ_COUNT_CTOR, MOZ_COUNT_DTOR
+
+#ifdef MOZ_TASK_TRACER
+using namespace mozilla::tasktracer;
+#endif
+
+namespace mozilla {
+namespace ipc {
+
+//
+// DataSocketIO
+//
+
+DataSocketIO::~DataSocketIO()
+{
+ MOZ_COUNT_DTOR_INHERITED(DataSocketIO, SocketIOBase);
+}
+
+void
+DataSocketIO::EnqueueData(UnixSocketIOBuffer* aBuffer)
+{
+ if (!aBuffer->GetSize()) {
+ delete aBuffer; // delete empty data immediately
+ return;
+ }
+ mOutgoingQ.AppendElement(aBuffer);
+}
+
+bool
+DataSocketIO::HasPendingData() const
+{
+ return !mOutgoingQ.IsEmpty();
+}
+
+ssize_t
+DataSocketIO::ReceiveData(int aFd)
+{
+ MOZ_ASSERT(aFd >= 0);
+
+ UnixSocketIOBuffer* incoming;
+ nsresult rv = QueryReceiveBuffer(&incoming);
+ if (NS_FAILED(rv)) {
+ /* an error occured */
+ GetConsumerThread()->PostTask(
+ MakeAndAddRef<SocketRequestClosingTask>(this));
+ return -1;
+ }
+
+ ssize_t res = incoming->Receive(aFd);
+ if (res < 0) {
+ /* an I/O error occured */
+ DiscardBuffer();
+ GetConsumerThread()->PostTask(
+ MakeAndAddRef<SocketRequestClosingTask>(this));
+ return -1;
+ } else if (!res) {
+ /* EOF or peer shut down sending */
+ DiscardBuffer();
+ GetConsumerThread()->PostTask(
+ MakeAndAddRef<SocketRequestClosingTask>(this));
+ return 0;
+ }
+
+#ifdef MOZ_TASK_TRACER
+ /* Make unix socket creation events to be the source events of TaskTracer,
+ * and originate the rest correlation tasks from here.
+ */
+ AutoSourceEvent taskTracerEvent(SourceEventType::Unixsocket);
+#endif
+
+ ConsumeBuffer();
+
+ return res;
+}
+
+nsresult
+DataSocketIO::SendPendingData(int aFd)
+{
+ MOZ_ASSERT(aFd >= 0);
+
+ while (HasPendingData()) {
+ UnixSocketIOBuffer* outgoing = mOutgoingQ.ElementAt(0);
+
+ ssize_t res = outgoing->Send(aFd);
+ if (res < 0) {
+ /* an I/O error occured */
+ GetConsumerThread()->PostTask(
+ MakeAndAddRef<SocketRequestClosingTask>(this));
+ return NS_ERROR_FAILURE;
+ } else if (!res && outgoing->GetSize()) {
+ /* I/O is currently blocked; try again later */
+ return NS_OK;
+ }
+ if (!outgoing->GetSize()) {
+ mOutgoingQ.RemoveElementAt(0);
+ delete outgoing;
+ }
+ }
+
+ return NS_OK;
+}
+
+DataSocketIO::DataSocketIO(MessageLoop* aConsumerLoop)
+ : SocketIOBase(aConsumerLoop)
+{
+ MOZ_COUNT_CTOR_INHERITED(DataSocketIO, SocketIOBase);
+}
+
+//
+// DataSocket
+//
+
+DataSocket::DataSocket()
+{
+ MOZ_COUNT_CTOR_INHERITED(DataSocket, SocketBase);
+}
+
+DataSocket::~DataSocket()
+{
+ MOZ_COUNT_DTOR_INHERITED(DataSocket, SocketBase);
+}
+
+}
+}
diff --git a/ipc/unixsocket/DataSocket.h b/ipc/unixsocket/DataSocket.h
new file mode 100644
index 000000000..454333461
--- /dev/null
+++ b/ipc/unixsocket/DataSocket.h
@@ -0,0 +1,145 @@
+/* -*- 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/.
+ */
+
+#ifndef mozilla_ipc_datasocket_h
+#define mozilla_ipc_datasocket_h
+
+#include "mozilla/ipc/SocketBase.h"
+#include "nsTArray.h"
+
+namespace mozilla {
+namespace ipc {
+
+//
+// DataSocket
+//
+
+/**
+ * |DataSocket| represents a socket that can send or receive data. This
+ * can be a stream-based socket, a datagram-based socket, or any other
+ * socket that transfers data.
+ */
+class DataSocket : public SocketBase
+{
+public:
+ virtual ~DataSocket();
+
+ /**
+ * Queue data to be sent to the socket on the IO thread. Can only be called on
+ * originating thread.
+ *
+ * @param aBuffer Data to be sent to socket
+ */
+ virtual void SendSocketData(UnixSocketIOBuffer* aBuffer) = 0;
+
+protected:
+ DataSocket();
+};
+
+//
+// DataSocketIO
+//
+
+/**
+ * |DataSocketIO| is a base class for Socket I/O classes that
+ * transfer data on the I/O thread. It provides methods for the
+ * most common read and write scenarios.
+ */
+class DataSocketIO : public SocketIOBase
+{
+public:
+ virtual ~DataSocketIO();
+
+ /**
+ * Allocates a buffer for receiving data from the socket. The method
+ * shall return the buffer in the arguments. The buffer is owned by the
+ * I/O class. |DataSocketIO| will never ask for more than one buffer
+ * at a time, so I/O classes can handout the same buffer on each invokation
+ * of this method. I/O-thread only.
+ *
+ * @param[out] aBuffer returns a pointer to the I/O buffer
+ * @return NS_OK on success, or an error code otherwise
+ */
+ virtual nsresult QueryReceiveBuffer(UnixSocketIOBuffer** aBuffer) = 0;
+
+ /**
+ * Marks the current socket buffer to by consumed by the I/O class. The
+ * class is resonsible for releasing the buffer afterwards. I/O-thread
+ * only.
+ *
+ * @param aIndex the socket's index
+ * @param[out] aBuffer the receive buffer
+ * @param[out] aSize the receive buffer's size
+ */
+ virtual void ConsumeBuffer() = 0;
+
+ /**
+ * Marks the current socket buffer to be discarded. The I/O class is
+ * resonsible for releasing the buffer's memory. I/O-thread only.
+ *
+ * @param aIndex the socket's index
+ */
+ virtual void DiscardBuffer() = 0;
+
+ void EnqueueData(UnixSocketIOBuffer* aBuffer);
+ bool HasPendingData() const;
+
+ ssize_t ReceiveData(int aFd);
+
+ nsresult SendPendingData(int aFd);
+
+protected:
+ DataSocketIO(MessageLoop* aConsumerLoop);
+
+private:
+ /**
+ * Raw data queue. Must be pushed/popped from I/O thread only.
+ */
+ nsTArray<UnixSocketIOBuffer*> mOutgoingQ;
+};
+
+//
+// Tasks
+//
+
+/* |SocketIOSendTask| transfers an instance of |Tdata|, such as
+ * |UnixSocketRawData|, to the I/O thread and queues it up for
+ * sending the contained data.
+ */
+template<typename Tio, typename Tdata>
+class SocketIOSendTask final : public SocketIOTask<Tio>
+{
+public:
+ SocketIOSendTask(Tio* aIO, Tdata* aData)
+ : SocketIOTask<Tio>(aIO)
+ , mData(aData)
+ {
+ MOZ_ASSERT(aData);
+ }
+
+ NS_IMETHOD Run() override
+ {
+ MOZ_ASSERT(!SocketIOTask<Tio>::IsCanceled());
+
+ Tio* io = SocketIOTask<Tio>::GetIO();
+ MOZ_ASSERT(!io->IsConsumerThread());
+ MOZ_ASSERT(!io->IsShutdownOnIOThread());
+
+ io->Send(mData);
+
+ return NS_OK;
+ }
+
+private:
+ Tdata* mData;
+};
+
+}
+}
+
+#endif
diff --git a/ipc/unixsocket/ListenSocket.cpp b/ipc/unixsocket/ListenSocket.cpp
new file mode 100644
index 000000000..c05a4d701
--- /dev/null
+++ b/ipc/unixsocket/ListenSocket.cpp
@@ -0,0 +1,432 @@
+/* -*- 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 "ListenSocket.h"
+#include <fcntl.h>
+#include "ConnectionOrientedSocket.h"
+#include "DataSocket.h"
+#include "ListenSocketConsumer.h"
+#include "mozilla/DebugOnly.h"
+#include "mozilla/RefPtr.h"
+#include "mozilla/Unused.h"
+#include "nsISupportsImpl.h" // for MOZ_COUNT_CTOR, MOZ_COUNT_DTOR
+#include "nsXULAppAPI.h"
+#include "UnixSocketConnector.h"
+
+namespace mozilla {
+namespace ipc {
+
+//
+// ListenSocketIO
+//
+
+class ListenSocketIO final
+ : public UnixSocketWatcher
+ , public SocketIOBase
+{
+public:
+ class ListenTask;
+
+ ListenSocketIO(MessageLoop* aConsumerLoop,
+ MessageLoop* aIOLoop,
+ ListenSocket* aListenSocket,
+ UnixSocketConnector* aConnector);
+ ~ListenSocketIO();
+
+ UnixSocketConnector* GetConnector() const;
+
+ // Task callback methods
+ //
+
+ /**
+ * Run bind/listen to prepare for further runs of accept()
+ */
+ void Listen(ConnectionOrientedSocketIO* aCOSocketIO);
+
+ // I/O callback methods
+ //
+
+ void OnConnected() override;
+ void OnError(const char* aFunction, int aErrno) override;
+ void OnListening() override;
+ void OnSocketCanAcceptWithoutBlocking() override;
+
+ // Methods for |SocketIOBase|
+ //
+
+ SocketBase* GetSocketBase() override;
+
+ bool IsShutdownOnConsumerThread() const override;
+ bool IsShutdownOnIOThread() const override;
+
+ void ShutdownOnConsumerThread() override;
+ void ShutdownOnIOThread() override;
+
+private:
+ void FireSocketError();
+
+ /**
+ * Consumer pointer. Non-thread-safe pointer, so should only be manipulated
+ * directly from consumer thread. All non-consumer-thread accesses should
+ * happen with mIO as container.
+ */
+ ListenSocket* mListenSocket;
+
+ /**
+ * Connector object used to create the connection we are currently using.
+ */
+ UniquePtr<UnixSocketConnector> mConnector;
+
+ /**
+ * If true, do not requeue whatever task we're running
+ */
+ bool mShuttingDownOnIOThread;
+
+ /**
+ * Number of valid bytes in |mAddress|
+ */
+ socklen_t mAddressLength;
+
+ /**
+ * Address structure of the socket currently in use
+ */
+ struct sockaddr_storage mAddress;
+
+ ConnectionOrientedSocketIO* mCOSocketIO;
+};
+
+ListenSocketIO::ListenSocketIO(MessageLoop* aConsumerLoop,
+ MessageLoop* aIOLoop,
+ ListenSocket* aListenSocket,
+ UnixSocketConnector* aConnector)
+ : UnixSocketWatcher(aIOLoop)
+ , SocketIOBase(aConsumerLoop)
+ , mListenSocket(aListenSocket)
+ , mConnector(aConnector)
+ , mShuttingDownOnIOThread(false)
+ , mAddressLength(0)
+ , mCOSocketIO(nullptr)
+{
+ MOZ_ASSERT(mListenSocket);
+ MOZ_ASSERT(mConnector);
+
+ MOZ_COUNT_CTOR_INHERITED(ListenSocketIO, SocketIOBase);
+}
+
+ListenSocketIO::~ListenSocketIO()
+{
+ MOZ_ASSERT(IsConsumerThread());
+ MOZ_ASSERT(IsShutdownOnConsumerThread());
+
+ MOZ_COUNT_DTOR_INHERITED(ListenSocketIO, SocketIOBase);
+}
+
+UnixSocketConnector*
+ListenSocketIO::GetConnector() const
+{
+ return mConnector.get();
+}
+
+void
+ListenSocketIO::Listen(ConnectionOrientedSocketIO* aCOSocketIO)
+{
+ MOZ_ASSERT(MessageLoopForIO::current() == GetIOLoop());
+ MOZ_ASSERT(mConnector);
+ MOZ_ASSERT(aCOSocketIO);
+
+ struct sockaddr* address = reinterpret_cast<struct sockaddr*>(&mAddress);
+ mAddressLength = sizeof(mAddress);
+
+ if (!IsOpen()) {
+ int fd;
+ nsresult rv = mConnector->CreateListenSocket(address, &mAddressLength,
+ fd);
+ if (NS_FAILED(rv)) {
+ FireSocketError();
+ return;
+ }
+ SetFd(fd);
+ }
+
+ mCOSocketIO = aCOSocketIO;
+
+ // calls OnListening on success, or OnError otherwise
+ DebugOnly<nsresult> rv = UnixSocketWatcher::Listen(address, mAddressLength);
+ NS_WARNING_ASSERTION(NS_SUCCEEDED(rv), "Listen failed");
+}
+
+void
+ListenSocketIO::OnConnected()
+{
+ MOZ_ASSERT(MessageLoopForIO::current() == GetIOLoop());
+
+ NS_NOTREACHED("Invalid call to |ListenSocketIO::OnConnected|");
+}
+
+void
+ListenSocketIO::OnListening()
+{
+ MOZ_ASSERT(MessageLoopForIO::current() == GetIOLoop());
+ MOZ_ASSERT(GetConnectionStatus() == SOCKET_IS_LISTENING);
+
+ AddWatchers(READ_WATCHER, true);
+
+ /* We signal a successful 'connection' to a local address for listening. */
+ GetConsumerThread()->PostTask(
+ MakeAndAddRef<SocketEventTask>(this, SocketEventTask::CONNECT_SUCCESS));
+}
+
+void
+ListenSocketIO::OnError(const char* aFunction, int aErrno)
+{
+ MOZ_ASSERT(MessageLoopForIO::current() == GetIOLoop());
+
+ UnixFdWatcher::OnError(aFunction, aErrno);
+ FireSocketError();
+}
+
+void
+ListenSocketIO::FireSocketError()
+{
+ MOZ_ASSERT(MessageLoopForIO::current() == GetIOLoop());
+
+ // Clean up watchers, statuses, fds
+ Close();
+
+ // Tell the consumer thread we've errored
+ GetConsumerThread()->PostTask(
+ MakeAndAddRef<SocketEventTask>(this, SocketEventTask::CONNECT_ERROR));
+}
+
+void
+ListenSocketIO::OnSocketCanAcceptWithoutBlocking()
+{
+ MOZ_ASSERT(MessageLoopForIO::current() == GetIOLoop());
+ MOZ_ASSERT(GetConnectionStatus() == SOCKET_IS_LISTENING);
+ MOZ_ASSERT(mCOSocketIO);
+
+ RemoveWatchers(READ_WATCHER|WRITE_WATCHER);
+
+ struct sockaddr_storage storage;
+ socklen_t addressLength = sizeof(storage);
+
+ int fd;
+ nsresult rv = mConnector->AcceptStreamSocket(
+ GetFd(),
+ reinterpret_cast<struct sockaddr*>(&storage), &addressLength,
+ fd);
+ if (NS_FAILED(rv)) {
+ FireSocketError();
+ return;
+ }
+
+ mCOSocketIO->Accept(fd,
+ reinterpret_cast<struct sockaddr*>(&storage),
+ addressLength);
+}
+
+// |SocketIOBase|
+
+SocketBase*
+ListenSocketIO::GetSocketBase()
+{
+ return mListenSocket;
+}
+
+bool
+ListenSocketIO::IsShutdownOnConsumerThread() const
+{
+ MOZ_ASSERT(IsConsumerThread());
+
+ return mListenSocket == nullptr;
+}
+
+bool
+ListenSocketIO::IsShutdownOnIOThread() const
+{
+ return mShuttingDownOnIOThread;
+}
+
+void
+ListenSocketIO::ShutdownOnConsumerThread()
+{
+ MOZ_ASSERT(IsConsumerThread());
+ MOZ_ASSERT(!IsShutdownOnConsumerThread());
+
+ mListenSocket = nullptr;
+}
+
+void
+ListenSocketIO::ShutdownOnIOThread()
+{
+ MOZ_ASSERT(!IsConsumerThread());
+ MOZ_ASSERT(!mShuttingDownOnIOThread);
+
+ Close(); // will also remove fd from I/O loop
+ mShuttingDownOnIOThread = true;
+}
+
+//
+// Socket tasks
+//
+
+class ListenSocketIO::ListenTask final : public SocketIOTask<ListenSocketIO>
+{
+public:
+ ListenTask(ListenSocketIO* aIO, ConnectionOrientedSocketIO* aCOSocketIO)
+ : SocketIOTask<ListenSocketIO>(aIO)
+ , mCOSocketIO(aCOSocketIO)
+ {
+ MOZ_ASSERT(mCOSocketIO);
+
+ MOZ_COUNT_CTOR(ListenTask);
+ }
+
+ ~ListenTask()
+ {
+ MOZ_COUNT_DTOR(ListenTask);
+ }
+
+ NS_IMETHOD Run() override
+ {
+ MOZ_ASSERT(!GetIO()->IsConsumerThread());
+
+ if (!IsCanceled()) {
+ GetIO()->Listen(mCOSocketIO);
+ }
+ return NS_OK;
+ }
+
+private:
+ ConnectionOrientedSocketIO* mCOSocketIO;
+};
+
+//
+// ListenSocket
+//
+
+ListenSocket::ListenSocket(ListenSocketConsumer* aConsumer, int aIndex)
+ : mIO(nullptr)
+ , mConsumer(aConsumer)
+ , mIndex(aIndex)
+{
+ MOZ_ASSERT(mConsumer);
+
+ MOZ_COUNT_CTOR_INHERITED(ListenSocket, SocketBase);
+}
+
+ListenSocket::~ListenSocket()
+{
+ MOZ_ASSERT(!mIO);
+
+ MOZ_COUNT_DTOR_INHERITED(ListenSocket, SocketBase);
+}
+
+nsresult
+ListenSocket::Listen(UnixSocketConnector* aConnector,
+ MessageLoop* aConsumerLoop,
+ MessageLoop* aIOLoop,
+ ConnectionOrientedSocket* aCOSocket)
+{
+ MOZ_ASSERT(!mIO);
+
+ mIO = new ListenSocketIO(aConsumerLoop, aIOLoop, this, aConnector);
+
+ // Prepared I/O object, now start listening.
+ nsresult rv = Listen(aCOSocket);
+ if (NS_FAILED(rv)) {
+ delete mIO;
+ mIO = nullptr;
+ return rv;
+ }
+
+ return NS_OK;
+}
+
+nsresult
+ListenSocket::Listen(UnixSocketConnector* aConnector,
+ ConnectionOrientedSocket* aCOSocket)
+{
+ return Listen(aConnector, MessageLoop::current(), XRE_GetIOMessageLoop(),
+ aCOSocket);
+}
+
+nsresult
+ListenSocket::Listen(ConnectionOrientedSocket* aCOSocket)
+{
+ MOZ_ASSERT(aCOSocket);
+ MOZ_ASSERT(mIO);
+
+ // We first prepare the connection-oriented socket with a
+ // socket connector and a socket I/O class.
+
+ UniquePtr<UnixSocketConnector> connector;
+ nsresult rv = mIO->GetConnector()->Duplicate(connector);
+ if (NS_FAILED(rv)) {
+ return rv;
+ }
+
+ ConnectionOrientedSocketIO* io;
+ rv = aCOSocket->PrepareAccept(connector.get(),
+ mIO->GetConsumerThread(), mIO->GetIOLoop(),
+ io);
+ if (NS_FAILED(rv)) {
+ return rv;
+ }
+
+ Unused << connector.release(); // now owned by |io|
+
+ // Then we start listening for connection requests.
+
+ SetConnectionStatus(SOCKET_LISTENING);
+
+ mIO->GetIOLoop()->PostTask(
+ MakeAndAddRef<ListenSocketIO::ListenTask>(mIO, io));
+
+ return NS_OK;
+}
+
+// |SocketBase|
+
+void
+ListenSocket::Close()
+{
+ if (!mIO) {
+ return;
+ }
+
+ MOZ_ASSERT(mIO->IsConsumerThread());
+
+ // From this point on, we consider mIO as being deleted. We sever
+ // the relationship here so any future calls to listen or connect
+ // will create a new implementation.
+ mIO->ShutdownOnConsumerThread();
+ mIO->GetIOLoop()->PostTask(MakeAndAddRef<SocketIOShutdownTask>(mIO));
+ mIO = nullptr;
+
+ NotifyDisconnect();
+}
+
+void
+ListenSocket::OnConnectSuccess()
+{
+ mConsumer->OnConnectSuccess(mIndex);
+}
+
+void
+ListenSocket::OnConnectError()
+{
+ mConsumer->OnConnectError(mIndex);
+}
+
+void
+ListenSocket::OnDisconnect()
+{
+ mConsumer->OnDisconnect(mIndex);
+}
+
+} // namespace ipc
+} // namespace mozilla
diff --git a/ipc/unixsocket/ListenSocket.h b/ipc/unixsocket/ListenSocket.h
new file mode 100644
index 000000000..9bde4602d
--- /dev/null
+++ b/ipc/unixsocket/ListenSocket.h
@@ -0,0 +1,93 @@
+/* -*- 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/. */
+
+#ifndef mozilla_ipc_ListenSocket_h
+#define mozilla_ipc_ListenSocket_h
+
+#include "mozilla/ipc/SocketBase.h"
+#include "nsString.h"
+
+class MessageLoop;
+
+namespace mozilla {
+namespace ipc {
+
+class ConnectionOrientedSocket;
+class ListenSocketConsumer;
+class ListenSocketIO;
+class UnixSocketConnector;
+
+class ListenSocket final : public SocketBase
+{
+public:
+ /**
+ * Constructs an instance of |ListenSocket|.
+ *
+ * @param aConsumer The consumer for the socket.
+ * @param aIndex An arbitrary index.
+ */
+ ListenSocket(ListenSocketConsumer* aConsumer, int aIndex);
+
+ /**
+ * Starts a task on the socket that will try to accept a new connection
+ * in a non-blocking manner.
+ *
+ * @param aConnector Connector object for socket-type-specific functions
+ * @param aConsumerLoop The socket's consumer thread.
+ * @param aIOLoop The socket's I/O thread.
+ * @param aCOSocket The connection-oriented socket for handling the
+ * accepted connection.
+ * @return NS_OK on success, or an XPCOM error code otherwise.
+ */
+ nsresult Listen(UnixSocketConnector* aConnector,
+ MessageLoop* aConsumerLoop,
+ MessageLoop* aIOLoop,
+ ConnectionOrientedSocket* aCOSocket);
+
+ /**
+ * Starts a task on the socket that will try to accept a new connection
+ * in a non-blocking manner.
+ *
+ * @param aConnector Connector object for socket-type-specific functions
+ * @param aCOSocket The connection-oriented socket for handling the
+ * accepted connection.
+ * @return NS_OK on success, or an XPCOM error code otherwise.
+ */
+ nsresult Listen(UnixSocketConnector* aConnector,
+ ConnectionOrientedSocket* aCOSocket);
+
+ /**
+ * Starts a task on the socket that will try to accept a new connection
+ * in a non-blocking manner. This method re-uses a previously created
+ * listen socket.
+ *
+ * @param aCOSocket The connection-oriented socket for handling the
+ * accepted connection.
+ * @return NS_OK on success, or an XPCOM error code otherwise.
+ */
+ nsresult Listen(ConnectionOrientedSocket* aCOSocket);
+
+ // Methods for |SocketBase|
+ //
+
+ void Close() override;
+ void OnConnectSuccess() override;
+ void OnConnectError() override;
+ void OnDisconnect() override;
+
+protected:
+ virtual ~ListenSocket();
+
+private:
+ ListenSocketIO* mIO;
+ ListenSocketConsumer* mConsumer;
+ int mIndex;
+};
+
+} // namespace ipc
+} // namepsace mozilla
+
+#endif // mozilla_ipc_ListenSocket_h
diff --git a/ipc/unixsocket/ListenSocketConsumer.cpp b/ipc/unixsocket/ListenSocketConsumer.cpp
new file mode 100644
index 000000000..f4de0c42e
--- /dev/null
+++ b/ipc/unixsocket/ListenSocketConsumer.cpp
@@ -0,0 +1,20 @@
+/* -*- 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 "ListenSocketConsumer.h"
+
+namespace mozilla {
+namespace ipc {
+
+//
+// ListenSocketConsumer
+//
+
+ListenSocketConsumer::~ListenSocketConsumer()
+{ }
+
+}
+}
diff --git a/ipc/unixsocket/ListenSocketConsumer.h b/ipc/unixsocket/ListenSocketConsumer.h
new file mode 100644
index 000000000..8c9af3019
--- /dev/null
+++ b/ipc/unixsocket/ListenSocketConsumer.h
@@ -0,0 +1,46 @@
+/* -*- 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/. */
+
+#ifndef mozilla_ipc_listensocketconsumer_h
+#define mozilla_ipc_listensocketconsumer_h
+
+namespace mozilla {
+namespace ipc {
+
+/**
+ * |ListenSocketConsumer| handles socket events.
+ */
+class ListenSocketConsumer
+{
+public:
+ virtual ~ListenSocketConsumer();
+
+ /**
+ * Callback for socket success. Consumer-thread only.
+ *
+ * @param aIndex The index that has been given to the listening socket.
+ */
+ virtual void OnConnectSuccess(int aIndex) = 0;
+
+ /**
+ * Callback for socket errors. Consumer-thread only.
+ *
+ * @param aIndex The index that has been given to the listening socket.
+ */
+ virtual void OnConnectError(int aIndex) = 0;
+
+ /**
+ * Callback for socket disconnect. Consumer-thread only.
+ *
+ * @param aIndex The index that has been given to the listeing socket.
+ */
+ virtual void OnDisconnect(int aIndex) = 0;
+};
+
+}
+}
+
+#endif
diff --git a/ipc/unixsocket/SocketBase.cpp b/ipc/unixsocket/SocketBase.cpp
new file mode 100644
index 000000000..b11729652
--- /dev/null
+++ b/ipc/unixsocket/SocketBase.cpp
@@ -0,0 +1,449 @@
+/* -*- 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;
+}
+
+}
+}
diff --git a/ipc/unixsocket/SocketBase.h b/ipc/unixsocket/SocketBase.h
new file mode 100644
index 000000000..191567fdb
--- /dev/null
+++ b/ipc/unixsocket/SocketBase.h
@@ -0,0 +1,585 @@
+/* -*- 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/.
+ */
+
+#ifndef mozilla_ipc_SocketBase_h
+#define mozilla_ipc_SocketBase_h
+
+#include "base/message_loop.h"
+#include "mozilla/UniquePtr.h"
+
+namespace mozilla {
+namespace ipc {
+
+//
+// UnixSocketBuffer
+//
+
+/**
+ * |UnixSocketBuffer| implements a FIFO buffer that stores raw socket
+ * data, either for sending on a socket or received from a socket.
+ */
+class UnixSocketBuffer
+{
+public:
+ virtual ~UnixSocketBuffer();
+
+ const uint8_t* GetData() const
+ {
+ return mData + mOffset;
+ }
+
+ size_t GetSize() const
+ {
+ return mSize - mOffset;
+ }
+
+ const uint8_t* Consume(size_t aLen);
+
+ nsresult Read(void* aValue, size_t aLen);
+
+ nsresult Read(int8_t& aValue)
+ {
+ return Read(&aValue, sizeof(aValue));
+ }
+
+ nsresult Read(uint8_t& aValue)
+ {
+ return Read(&aValue, sizeof(aValue));
+ }
+
+ nsresult Read(int16_t& aValue)
+ {
+ return Read(&aValue, sizeof(aValue));
+ }
+
+ nsresult Read(uint16_t& aValue)
+ {
+ return Read(&aValue, sizeof(aValue));
+ }
+
+ nsresult Read(int32_t& aValue)
+ {
+ return Read(&aValue, sizeof(aValue));
+ }
+
+ nsresult Read(uint32_t& aValue)
+ {
+ return Read(&aValue, sizeof(aValue));
+ }
+
+ nsresult Read(int64_t& aValue)
+ {
+ return Read(&aValue, sizeof(aValue));
+ }
+
+ nsresult Read(uint64_t& aValue)
+ {
+ return Read(&aValue, sizeof(aValue));
+ }
+
+ nsresult Read(float& aValue)
+ {
+ return Read(&aValue, sizeof(aValue));
+ }
+
+ nsresult Read(double& aValue)
+ {
+ return Read(&aValue, sizeof(aValue));
+ }
+
+ uint8_t* Append(size_t aLen);
+
+ nsresult Write(const void* aValue, size_t aLen);
+
+ nsresult Write(int8_t aValue)
+ {
+ return Write(&aValue, sizeof(aValue));
+ }
+
+ nsresult Write(uint8_t aValue)
+ {
+ return Write(&aValue, sizeof(aValue));
+ }
+
+ nsresult Write(int16_t aValue)
+ {
+ return Write(&aValue, sizeof(aValue));
+ }
+
+ nsresult Write(uint16_t aValue)
+ {
+ return Write(&aValue, sizeof(aValue));
+ }
+
+ nsresult Write(int32_t aValue)
+ {
+ return Write(&aValue, sizeof(aValue));
+ }
+
+ nsresult Write(uint32_t aValue)
+ {
+ return Write(&aValue, sizeof(aValue));
+ }
+
+ nsresult Write(int64_t aValue)
+ {
+ return Write(&aValue, sizeof(aValue));
+ }
+
+ nsresult Write(uint64_t aValue)
+ {
+ return Write(&aValue, sizeof(aValue));
+ }
+
+ nsresult Write(float aValue)
+ {
+ return Write(&aValue, sizeof(aValue));
+ }
+
+ nsresult Write(double aValue)
+ {
+ return Write(&aValue, sizeof(aValue));
+ }
+
+protected:
+ UnixSocketBuffer();
+
+ /**
+ * Sets the raw memory. The caller is responsible for freeing
+ * this memory.
+ *
+ * @param aData A pointer to the buffer's raw memory.
+ * @param aOffset The start of valid bytes in |aData|.
+ * @param aSize The number of valid bytes in |aData|.
+ * @param aAvailableSpace The number of bytes in |aData|.
+ */
+ void ResetBuffer(uint8_t* aData,
+ size_t aOffset, size_t aSize, size_t aAvailableSpace)
+ {
+ MOZ_ASSERT(aData || !aAvailableSpace);
+ MOZ_ASSERT((aOffset + aSize) <= aAvailableSpace);
+
+ mOffset = aOffset;
+ mSize = aSize;
+ mAvailableSpace = aAvailableSpace;
+ mData = aData;
+ }
+
+ /**
+ * Retrieves the memory buffer.
+ *
+ * @return A pointer to the buffer's raw memory.
+ */
+ uint8_t* GetBuffer()
+ {
+ return mData;
+ }
+
+ size_t GetLeadingSpace() const
+ {
+ return mOffset;
+ }
+
+ size_t GetTrailingSpace() const
+ {
+ return mAvailableSpace - mSize;
+ }
+
+ size_t GetAvailableSpace() const
+ {
+ return mAvailableSpace;
+ }
+
+ void* GetTrailingBytes()
+ {
+ return mData + mSize;
+ }
+
+ uint8_t* GetData(size_t aOffset)
+ {
+ MOZ_ASSERT(aOffset <= mSize);
+
+ return mData + aOffset;
+ }
+
+ void SetRange(size_t aOffset, size_t aSize)
+ {
+ MOZ_ASSERT((aOffset + aSize) <= mAvailableSpace);
+
+ mOffset = aOffset;
+ mSize = mOffset + aSize;
+ }
+
+ void CleanupLeadingSpace();
+
+private:
+ size_t mSize;
+ size_t mOffset;
+ size_t mAvailableSpace;
+ uint8_t* mData;
+};
+
+//
+// UnixSocketIOBuffer
+//
+
+/**
+ * |UnixSocketIOBuffer| is a |UnixSocketBuffer| that supports being
+ * received on a socket or being send on a socket. Network protocols
+ * might differ in their exact usage of Unix socket functions and
+ * |UnixSocketIOBuffer| provides a protocol-neutral interface.
+ */
+class UnixSocketIOBuffer : public UnixSocketBuffer
+{
+public:
+ UnixSocketIOBuffer();
+ virtual ~UnixSocketIOBuffer();
+
+ /**
+ * Receives data from aFd at the end of the buffer. The returned value
+ * is the number of newly received bytes, or 0 if the peer shut down
+ * its connection, or a negative value on errors.
+ */
+ virtual ssize_t Receive(int aFd) = 0;
+
+ /**
+ * Sends data to aFd from the beginning of the buffer. The returned value
+ * is the number of bytes written, or a negative value on error.
+ */
+ virtual ssize_t Send(int aFd) = 0;
+};
+
+//
+// UnixSocketRawData
+//
+
+class UnixSocketRawData final : public UnixSocketIOBuffer
+{
+public:
+ /**
+ * This constructor copies aData of aSize bytes length into the
+ * new instance of |UnixSocketRawData|.
+ *
+ * @param aData The buffer to copy.
+ * @param aSize The number of bytes in |aData|.
+ */
+ UnixSocketRawData(const void* aData, size_t aSize);
+
+ /**
+ * This constructor takes ownership of the data in aData. The
+ * data is assumed to be aSize bytes in length.
+ *
+ * @param aData The buffer to take ownership of.
+ * @param aSize The number of bytes in |aData|.
+ */
+ UnixSocketRawData(UniquePtr<uint8_t[]> aData, size_t aSize);
+
+ /**
+ * This constructor reserves aSize bytes of space. Currently
+ * it's only possible to fill this buffer by calling |Receive|.
+ *
+ * @param aSize The number of bytes to allocate.
+ */
+ UnixSocketRawData(size_t aSize);
+
+ /**
+ * The destructor releases the buffer's raw memory.
+ */
+ ~UnixSocketRawData();
+
+ /**
+ * Receives data from aFd at the end of the buffer. The returned value
+ * is the number of newly received bytes, or 0 if the peer shut down
+ * its connection, or a negative value on errors.
+ */
+ ssize_t Receive(int aFd) override;
+
+ /**
+ * Sends data to aFd from the beginning of the buffer. The returned value
+ * is the number of bytes written, or a negative value on error.
+ */
+ ssize_t Send(int aFd) override;
+};
+
+enum SocketConnectionStatus {
+ SOCKET_DISCONNECTED = 0,
+ SOCKET_LISTENING = 1,
+ SOCKET_CONNECTING = 2,
+ SOCKET_CONNECTED = 3
+};
+
+//
+// SocketBase
+//
+
+class SocketBase
+{
+public:
+ NS_INLINE_DECL_THREADSAFE_REFCOUNTING(SocketBase)
+
+ SocketConnectionStatus GetConnectionStatus() const;
+
+ int GetSuggestedConnectDelayMs() const;
+
+ /**
+ * Queues the internal representation of socket for deletion. Can be called
+ * from consumer thread.
+ */
+ virtual void Close() = 0;
+
+ /**
+ * Callback for socket connect/accept success. Called after connect/accept has
+ * finished. Will be run on consumer thread before any reads take place.
+ */
+ virtual void OnConnectSuccess() = 0;
+
+ /**
+ * Callback for socket connect/accept error. Will be run on consumer thread.
+ */
+ virtual void OnConnectError() = 0;
+
+ /**
+ * Callback for socket disconnect. Will be run on consumer thread.
+ */
+ virtual void OnDisconnect() = 0;
+
+ /**
+ * Called by implementation to notify consumer of success.
+ */
+ void NotifySuccess();
+
+ /**
+ * Called by implementation to notify consumer of error.
+ */
+ void NotifyError();
+
+ /**
+ * Called by implementation to notify consumer of disconnect.
+ */
+ void NotifyDisconnect();
+
+protected:
+ SocketBase();
+ virtual ~SocketBase();
+
+ void SetConnectionStatus(SocketConnectionStatus aConnectionStatus);
+
+private:
+ uint32_t CalculateConnectDelayMs() const;
+
+ SocketConnectionStatus mConnectionStatus;
+ PRIntervalTime mConnectTimestamp;
+ uint32_t mConnectDelayMs;
+};
+
+//
+// SocketIOBase
+//
+
+/**
+ * |SocketIOBase| is a base class for Socket I/O classes that
+ * perform operations on the I/O thread.
+ */
+class SocketIOBase
+{
+public:
+ virtual ~SocketIOBase();
+
+ /**
+ * Implemented by socket I/O classes to return the current instance of
+ * |SocketBase|.
+ *
+ * @return The current instance of |SocketBase|
+ */
+ virtual SocketBase* GetSocketBase() = 0;
+
+ /**
+ * Implemented by socket I/O classes to signal that the socket I/O class has
+ * been shut down.
+ *
+ * @return True if the socket I/O class has been shut down, false otherwise.
+ */
+ virtual bool IsShutdownOnIOThread() const = 0;
+
+ /**
+ * Implemented by socket I/O classes to signal that socket class has
+ * been shut down.
+ *
+ * @return True if the socket class has been shut down, false otherwise.
+ */
+ virtual bool IsShutdownOnConsumerThread() const = 0;
+
+ /**
+ * Signals to the socket I/O classes that it has been shut down.
+ */
+ virtual void ShutdownOnIOThread() = 0;
+
+ /**
+ * Signals to the socket I/O classes that the socket class has been
+ * shut down.
+ */
+ virtual void ShutdownOnConsumerThread() = 0;
+
+ /**
+ * Returns the consumer thread.
+ *
+ * @return A pointer to the consumer thread.
+ */
+ MessageLoop* GetConsumerThread() const;
+
+ /**
+ * @return True if the current thread is the consumer thread, or false
+ * otherwise.
+ */
+ bool IsConsumerThread() const;
+
+protected:
+ SocketIOBase(MessageLoop* aConsumerLoop);
+
+private:
+ MessageLoop* mConsumerLoop;
+};
+
+//
+// Socket tasks
+//
+
+/* |SocketTask| is a task for sending a message from
+ * the I/O thread to the consumer thread.
+ */
+template <typename T>
+class SocketTask : public CancelableRunnable
+{
+public:
+ virtual ~SocketTask()
+ { }
+
+ T* GetIO() const
+ {
+ return mIO;
+ }
+
+protected:
+ SocketTask(T* aIO)
+ : mIO(aIO)
+ {
+ MOZ_ASSERT(aIO);
+ }
+
+private:
+ T* mIO;
+};
+
+/**
+ * |SocketEventTask| reports the connection state on the
+ * I/O thread back to the consumer thread.
+ */
+class SocketEventTask final : public SocketTask<SocketIOBase>
+{
+public:
+ enum SocketEvent {
+ CONNECT_SUCCESS,
+ CONNECT_ERROR,
+ DISCONNECT
+ };
+
+ SocketEventTask(SocketIOBase* aIO, SocketEvent aEvent);
+ ~SocketEventTask();
+
+ NS_IMETHOD Run() override;
+
+private:
+ SocketEvent mEvent;
+};
+
+/**
+ * |SocketRequestClosingTask| closes an instance of |SocketBase|
+ * on the consumer thread.
+ */
+class SocketRequestClosingTask final : public SocketTask<SocketIOBase>
+{
+public:
+ SocketRequestClosingTask(SocketIOBase* aIO);
+ ~SocketRequestClosingTask();
+
+ NS_IMETHOD Run() override;
+};
+
+/**
+ * |SocketDeleteInstanceTask| deletes an object on the consumer thread.
+ */
+class SocketDeleteInstanceTask final : public Runnable
+{
+public:
+ SocketDeleteInstanceTask(SocketIOBase* aIO);
+ ~SocketDeleteInstanceTask();
+
+ NS_IMETHOD Run() override;
+
+private:
+ UniquePtr<SocketIOBase> mIO;
+};
+
+//
+// Socket I/O tasks
+//
+
+/* |SocketIOTask| holds a reference to a Socket I/O object. It's
+ * supposed to run on the I/O thread.
+ */
+template<typename Tio>
+class SocketIOTask : public CancelableRunnable
+{
+public:
+ virtual ~SocketIOTask()
+ { }
+
+ Tio* GetIO() const
+ {
+ return mIO;
+ }
+
+ nsresult Cancel() override
+ {
+ mIO = nullptr;
+ return NS_OK;
+ }
+
+ bool IsCanceled() const
+ {
+ return !mIO;
+ }
+
+protected:
+ SocketIOTask(Tio* aIO)
+ : mIO(aIO)
+ {
+ MOZ_ASSERT(mIO);
+ }
+
+private:
+ Tio* mIO;
+};
+
+/**
+ * |SocketIOShutdownTask| signals shutdown to the socket I/O class on
+ * the I/O thread and sends it to the consumer thread for destruction.
+ */
+class SocketIOShutdownTask final : public SocketIOTask<SocketIOBase>
+{
+public:
+ SocketIOShutdownTask(SocketIOBase* aIO);
+ ~SocketIOShutdownTask();
+
+ NS_IMETHOD Run() override;
+};
+
+}
+}
+
+#endif
diff --git a/ipc/unixsocket/StreamSocket.cpp b/ipc/unixsocket/StreamSocket.cpp
new file mode 100644
index 000000000..04c37e554
--- /dev/null
+++ b/ipc/unixsocket/StreamSocket.cpp
@@ -0,0 +1,482 @@
+/* -*- 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 "StreamSocket.h"
+#include <fcntl.h>
+#include "mozilla/RefPtr.h"
+#include "nsISupportsImpl.h" // for MOZ_COUNT_CTOR, MOZ_COUNT_DTOR
+#include "nsXULAppAPI.h"
+#include "StreamSocketConsumer.h"
+#include "UnixSocketConnector.h"
+
+static const size_t MAX_READ_SIZE = 1 << 16;
+
+namespace mozilla {
+namespace ipc {
+
+//
+// StreamSocketIO
+//
+
+class StreamSocketIO final : public ConnectionOrientedSocketIO
+{
+public:
+ class ConnectTask;
+ class DelayedConnectTask;
+ class ReceiveTask;
+
+ StreamSocketIO(MessageLoop* aConsumerLoop,
+ MessageLoop* aIOLoop,
+ StreamSocket* aStreamSocket,
+ UnixSocketConnector* aConnector);
+ StreamSocketIO(MessageLoop* aConsumerLoop,
+ MessageLoop* aIOLoop,
+ int aFd, ConnectionStatus aConnectionStatus,
+ StreamSocket* aStreamSocket,
+ UnixSocketConnector* aConnector);
+ ~StreamSocketIO();
+
+ StreamSocket* GetStreamSocket();
+ DataSocket* GetDataSocket();
+
+ // Delayed-task handling
+ //
+
+ void SetDelayedConnectTask(CancelableRunnable* aTask);
+ void ClearDelayedConnectTask();
+ void CancelDelayedConnectTask();
+
+ // Methods for |DataSocket|
+ //
+
+ nsresult QueryReceiveBuffer(UnixSocketIOBuffer** aBuffer) override;
+ void ConsumeBuffer() override;
+ void DiscardBuffer() override;
+
+ // Methods for |SocketIOBase|
+ //
+
+ SocketBase* GetSocketBase() override;
+
+ bool IsShutdownOnConsumerThread() const override;
+ bool IsShutdownOnIOThread() const override;
+
+ void ShutdownOnConsumerThread() override;
+ void ShutdownOnIOThread() override;
+
+private:
+ /**
+ * Consumer pointer. Non-thread-safe pointer, so should only be manipulated
+ * directly from consumer thread. All non-consumer-thread accesses should
+ * happen with mIO as container.
+ */
+ StreamSocket* mStreamSocket;
+
+ /**
+ * If true, do not requeue whatever task we're running
+ */
+ bool mShuttingDownOnIOThread;
+
+ /**
+ * Task member for delayed connect task. Should only be access on consumer
+ * thread.
+ */
+ CancelableRunnable* mDelayedConnectTask;
+
+ /**
+ * I/O buffer for received data
+ */
+ UniquePtr<UnixSocketRawData> mBuffer;
+};
+
+StreamSocketIO::StreamSocketIO(MessageLoop* aConsumerLoop,
+ MessageLoop* aIOLoop,
+ StreamSocket* aStreamSocket,
+ UnixSocketConnector* aConnector)
+ : ConnectionOrientedSocketIO(aConsumerLoop, aIOLoop, aConnector)
+ , mStreamSocket(aStreamSocket)
+ , mShuttingDownOnIOThread(false)
+ , mDelayedConnectTask(nullptr)
+{
+ MOZ_ASSERT(mStreamSocket);
+
+ MOZ_COUNT_CTOR_INHERITED(StreamSocketIO, ConnectionOrientedSocketIO);
+}
+
+StreamSocketIO::StreamSocketIO(MessageLoop* aConsumerLoop,
+ MessageLoop* aIOLoop,
+ int aFd, ConnectionStatus aConnectionStatus,
+ StreamSocket* aStreamSocket,
+ UnixSocketConnector* aConnector)
+ : ConnectionOrientedSocketIO(aConsumerLoop,
+ aIOLoop,
+ aFd,
+ aConnectionStatus,
+ aConnector)
+ , mStreamSocket(aStreamSocket)
+ , mShuttingDownOnIOThread(false)
+ , mDelayedConnectTask(nullptr)
+{
+ MOZ_ASSERT(mStreamSocket);
+
+ MOZ_COUNT_CTOR_INHERITED(StreamSocketIO, ConnectionOrientedSocketIO);
+}
+
+StreamSocketIO::~StreamSocketIO()
+{
+ MOZ_ASSERT(IsConsumerThread());
+ MOZ_ASSERT(IsShutdownOnConsumerThread());
+
+ MOZ_COUNT_DTOR_INHERITED(StreamSocketIO, ConnectionOrientedSocketIO);
+}
+
+StreamSocket*
+StreamSocketIO::GetStreamSocket()
+{
+ return mStreamSocket;
+}
+
+DataSocket*
+StreamSocketIO::GetDataSocket()
+{
+ return GetStreamSocket();
+}
+
+void
+StreamSocketIO::SetDelayedConnectTask(CancelableRunnable* aTask)
+{
+ MOZ_ASSERT(IsConsumerThread());
+
+ mDelayedConnectTask = aTask;
+}
+
+void
+StreamSocketIO::ClearDelayedConnectTask()
+{
+ MOZ_ASSERT(IsConsumerThread());
+
+ mDelayedConnectTask = nullptr;
+}
+
+void
+StreamSocketIO::CancelDelayedConnectTask()
+{
+ MOZ_ASSERT(IsConsumerThread());
+
+ if (!mDelayedConnectTask) {
+ return;
+ }
+
+ mDelayedConnectTask->Cancel();
+ ClearDelayedConnectTask();
+}
+
+// |DataSocketIO|
+
+nsresult
+StreamSocketIO::QueryReceiveBuffer(UnixSocketIOBuffer** aBuffer)
+{
+ MOZ_ASSERT(aBuffer);
+
+ if (!mBuffer) {
+ mBuffer = MakeUnique<UnixSocketRawData>(MAX_READ_SIZE);
+ }
+ *aBuffer = mBuffer.get();
+
+ return NS_OK;
+}
+
+/**
+ * |ReceiveTask| transfers data received on the I/O thread
+ * to an instance of |StreamSocket| on the consumer thread.
+ */
+class StreamSocketIO::ReceiveTask final : public SocketTask<StreamSocketIO>
+{
+public:
+ ReceiveTask(StreamSocketIO* aIO, UnixSocketBuffer* aBuffer)
+ : SocketTask<StreamSocketIO>(aIO)
+ , mBuffer(aBuffer)
+ {
+ MOZ_COUNT_CTOR(ReceiveTask);
+ }
+
+ ~ReceiveTask()
+ {
+ MOZ_COUNT_DTOR(ReceiveTask);
+ }
+
+ NS_IMETHOD Run() override
+ {
+ StreamSocketIO* io = SocketTask<StreamSocketIO>::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;
+ }
+
+ StreamSocket* streamSocket = io->GetStreamSocket();
+ MOZ_ASSERT(streamSocket);
+
+ streamSocket->ReceiveSocketData(mBuffer);
+
+ return NS_OK;
+ }
+
+private:
+ UniquePtr<UnixSocketBuffer> mBuffer;
+};
+
+void
+StreamSocketIO::ConsumeBuffer()
+{
+ GetConsumerThread()->PostTask(
+ MakeAndAddRef<ReceiveTask>(this, mBuffer.release()));
+}
+
+void
+StreamSocketIO::DiscardBuffer()
+{
+ // Nothing to do.
+}
+
+// |SocketIOBase|
+
+SocketBase*
+StreamSocketIO::GetSocketBase()
+{
+ return GetDataSocket();
+}
+
+bool
+StreamSocketIO::IsShutdownOnConsumerThread() const
+{
+ MOZ_ASSERT(IsConsumerThread());
+
+ return mStreamSocket == nullptr;
+}
+
+bool
+StreamSocketIO::IsShutdownOnIOThread() const
+{
+ return mShuttingDownOnIOThread;
+}
+
+void
+StreamSocketIO::ShutdownOnConsumerThread()
+{
+ MOZ_ASSERT(IsConsumerThread());
+ MOZ_ASSERT(!IsShutdownOnConsumerThread());
+
+ mStreamSocket = nullptr;
+}
+
+void
+StreamSocketIO::ShutdownOnIOThread()
+{
+ MOZ_ASSERT(!IsConsumerThread());
+ MOZ_ASSERT(!mShuttingDownOnIOThread);
+
+ Close(); // will also remove fd from I/O loop
+ mShuttingDownOnIOThread = true;
+}
+
+//
+// Socket tasks
+//
+
+class StreamSocketIO::ConnectTask final : public SocketIOTask<StreamSocketIO>
+{
+public:
+ ConnectTask(StreamSocketIO* aIO)
+ : SocketIOTask<StreamSocketIO>(aIO)
+ {
+ MOZ_COUNT_CTOR(ReceiveTask);
+ }
+
+ ~ConnectTask()
+ {
+ MOZ_COUNT_DTOR(ReceiveTask);
+ }
+
+ NS_IMETHOD Run() override
+ {
+ MOZ_ASSERT(!GetIO()->IsConsumerThread());
+ MOZ_ASSERT(!IsCanceled());
+
+ GetIO()->Connect();
+
+ return NS_OK;
+ }
+};
+
+class StreamSocketIO::DelayedConnectTask final
+ : public SocketIOTask<StreamSocketIO>
+{
+public:
+ DelayedConnectTask(StreamSocketIO* aIO)
+ : SocketIOTask<StreamSocketIO>(aIO)
+ {
+ MOZ_COUNT_CTOR(DelayedConnectTask);
+ }
+
+ ~DelayedConnectTask()
+ {
+ MOZ_COUNT_DTOR(DelayedConnectTask);
+ }
+
+ NS_IMETHOD Run() override
+ {
+ MOZ_ASSERT(GetIO()->IsConsumerThread());
+
+ if (IsCanceled()) {
+ return NS_OK;
+ }
+
+ StreamSocketIO* io = GetIO();
+ if (io->IsShutdownOnConsumerThread()) {
+ return NS_OK;
+ }
+
+ io->ClearDelayedConnectTask();
+ io->GetIOLoop()->PostTask(MakeAndAddRef<ConnectTask>(io));
+
+ return NS_OK;
+ }
+};
+
+//
+// StreamSocket
+//
+
+StreamSocket::StreamSocket(StreamSocketConsumer* aConsumer, int aIndex)
+ : mIO(nullptr)
+ , mConsumer(aConsumer)
+ , mIndex(aIndex)
+{
+ MOZ_ASSERT(mConsumer);
+
+ MOZ_COUNT_CTOR_INHERITED(StreamSocket, ConnectionOrientedSocket);
+}
+
+StreamSocket::~StreamSocket()
+{
+ MOZ_ASSERT(!mIO);
+
+ MOZ_COUNT_DTOR_INHERITED(StreamSocket, ConnectionOrientedSocket);
+}
+
+void
+StreamSocket::ReceiveSocketData(UniquePtr<UnixSocketBuffer>& aBuffer)
+{
+ mConsumer->ReceiveSocketData(mIndex, aBuffer);
+}
+
+nsresult
+StreamSocket::Connect(UnixSocketConnector* aConnector, int aDelayMs,
+ MessageLoop* aConsumerLoop, MessageLoop* aIOLoop)
+{
+ MOZ_ASSERT(!mIO);
+
+ mIO = new StreamSocketIO(aConsumerLoop, aIOLoop, this, aConnector);
+ SetConnectionStatus(SOCKET_CONNECTING);
+
+ if (aDelayMs > 0) {
+ RefPtr<StreamSocketIO::DelayedConnectTask> connectTask =
+ MakeAndAddRef<StreamSocketIO::DelayedConnectTask>(mIO);
+ mIO->SetDelayedConnectTask(connectTask);
+ MessageLoop::current()->PostDelayedTask(connectTask.forget(), aDelayMs);
+ } else {
+ aIOLoop->PostTask(MakeAndAddRef<StreamSocketIO::ConnectTask>(mIO));
+ }
+
+ return NS_OK;
+}
+
+nsresult
+StreamSocket::Connect(UnixSocketConnector* aConnector, int aDelayMs)
+{
+ return Connect(aConnector, aDelayMs,
+ MessageLoop::current(), XRE_GetIOMessageLoop());
+}
+
+// |ConnectionOrientedSocket|
+
+nsresult
+StreamSocket::PrepareAccept(UnixSocketConnector* aConnector,
+ MessageLoop* aConsumerLoop,
+ MessageLoop* aIOLoop,
+ ConnectionOrientedSocketIO*& aIO)
+{
+ MOZ_ASSERT(!mIO);
+ MOZ_ASSERT(aConnector);
+
+ SetConnectionStatus(SOCKET_CONNECTING);
+
+ mIO = new StreamSocketIO(aConsumerLoop, aIOLoop,
+ -1, UnixSocketWatcher::SOCKET_IS_CONNECTING,
+ this, aConnector);
+ aIO = mIO;
+
+ return NS_OK;
+}
+
+// |DataSocket|
+
+void
+StreamSocket::SendSocketData(UnixSocketIOBuffer* aBuffer)
+{
+ MOZ_ASSERT(mIO);
+ MOZ_ASSERT(mIO->IsConsumerThread());
+ MOZ_ASSERT(!mIO->IsShutdownOnConsumerThread());
+
+ mIO->GetIOLoop()->PostTask(
+ MakeAndAddRef<SocketIOSendTask<StreamSocketIO, UnixSocketIOBuffer>>(
+ mIO, aBuffer));
+}
+
+// |SocketBase|
+
+void
+StreamSocket::Close()
+{
+ MOZ_ASSERT(mIO);
+ MOZ_ASSERT(mIO->IsConsumerThread());
+
+ mIO->CancelDelayedConnectTask();
+
+ // From this point on, we consider |mIO| as being deleted. We sever
+ // the relationship here so any future calls to |Connect| will create
+ // a new I/O object.
+ mIO->ShutdownOnConsumerThread();
+ mIO->GetIOLoop()->PostTask(MakeAndAddRef<SocketIOShutdownTask>(mIO));
+ mIO = nullptr;
+
+ NotifyDisconnect();
+}
+
+void
+StreamSocket::OnConnectSuccess()
+{
+ mConsumer->OnConnectSuccess(mIndex);
+}
+
+void
+StreamSocket::OnConnectError()
+{
+ mConsumer->OnConnectError(mIndex);
+}
+
+void
+StreamSocket::OnDisconnect()
+{
+ mConsumer->OnDisconnect(mIndex);
+}
+
+} // namespace ipc
+} // namespace mozilla
diff --git a/ipc/unixsocket/StreamSocket.h b/ipc/unixsocket/StreamSocket.h
new file mode 100644
index 000000000..cb732389f
--- /dev/null
+++ b/ipc/unixsocket/StreamSocket.h
@@ -0,0 +1,95 @@
+/* -*- 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/. */
+
+#ifndef mozilla_ipc_streamsocket_h
+#define mozilla_ipc_streamsocket_h
+
+#include "ConnectionOrientedSocket.h"
+
+class MessageLoop;
+
+namespace mozilla {
+namespace ipc {
+
+class StreamSocketConsumer;
+class StreamSocketIO;
+class UnixSocketConnector;
+
+class StreamSocket final : public ConnectionOrientedSocket
+{
+public:
+ /**
+ * Constructs an instance of |StreamSocket|.
+ *
+ * @param aConsumer The consumer for the socket.
+ * @param aIndex An arbitrary index.
+ */
+ StreamSocket(StreamSocketConsumer* aConsumer, int aIndex);
+
+ /**
+ * Method to be called whenever data is received. Consumer-thread only.
+ *
+ * @param aBuffer Data received from the socket.
+ */
+ void ReceiveSocketData(UniquePtr<UnixSocketBuffer>& aBuffer);
+
+ /**
+ * Starts a task on the socket that will try to connect to a socket in a
+ * non-blocking manner.
+ *
+ * @param aConnector Connector object for socket type specific functions
+ * @param aDelayMs Time delay in milliseconds.
+ * @param aConsumerLoop The socket's consumer thread.
+ * @param aIOLoop The socket's I/O thread.
+ * @return NS_OK on success, or an XPCOM error code otherwise.
+ */
+ nsresult Connect(UnixSocketConnector* aConnector, int aDelayMs,
+ MessageLoop* aConsumerLoop, MessageLoop* aIOLoop);
+
+ /**
+ * Starts a task on the socket that will try to connect to a socket in a
+ * non-blocking manner.
+ *
+ * @param aConnector Connector object for socket type specific functions
+ * @param aDelayMs Time delay in milliseconds.
+ * @return NS_OK on success, or an XPCOM error code otherwise.
+ */
+ nsresult Connect(UnixSocketConnector* aConnector, int aDelayMs = 0);
+
+ // Methods for |ConnectionOrientedSocket|
+ //
+
+ nsresult PrepareAccept(UnixSocketConnector* aConnector,
+ MessageLoop* aConsumerLoop,
+ MessageLoop* aIOLoop,
+ ConnectionOrientedSocketIO*& aIO) override;
+
+ // Methods for |DataSocket|
+ //
+
+ void SendSocketData(UnixSocketIOBuffer* aBuffer) override;
+
+ // Methods for |SocketBase|
+ //
+
+ void Close() override;
+ void OnConnectSuccess() override;
+ void OnConnectError() override;
+ void OnDisconnect() override;
+
+protected:
+ virtual ~StreamSocket();
+
+private:
+ StreamSocketIO* mIO;
+ StreamSocketConsumer* mConsumer;
+ int mIndex;
+};
+
+} // namespace ipc
+} // namepsace mozilla
+
+#endif // mozilla_ipc_streamsocket_h
diff --git a/ipc/unixsocket/StreamSocketConsumer.cpp b/ipc/unixsocket/StreamSocketConsumer.cpp
new file mode 100644
index 000000000..bac9c1fe7
--- /dev/null
+++ b/ipc/unixsocket/StreamSocketConsumer.cpp
@@ -0,0 +1,20 @@
+/* -*- 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 "StreamSocketConsumer.h"
+
+namespace mozilla {
+namespace ipc {
+
+//
+// StreamSocketConsumer
+//
+
+StreamSocketConsumer::~StreamSocketConsumer()
+{ }
+
+}
+}
diff --git a/ipc/unixsocket/StreamSocketConsumer.h b/ipc/unixsocket/StreamSocketConsumer.h
new file mode 100644
index 000000000..d1f8c3d5b
--- /dev/null
+++ b/ipc/unixsocket/StreamSocketConsumer.h
@@ -0,0 +1,60 @@
+/* -*- 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/. */
+
+#ifndef mozilla_ipc_streamsocketconsumer_h
+#define mozilla_ipc_streamsocketconsumer_h
+
+#include "mozilla/UniquePtr.h"
+
+namespace mozilla {
+namespace ipc {
+
+class UnixSocketBuffer;
+
+/**
+ * |StreamSocketConsumer| handles socket events and received data.
+ */
+class StreamSocketConsumer
+{
+public:
+ /**
+ * Method to be called whenever data is received. Consumer-thread only.
+ *
+ * @param aIndex The index that has been given to the stream socket.
+ * @param aBuffer Data received from the socket.
+ */
+ virtual void ReceiveSocketData(int aIndex,
+ UniquePtr<UnixSocketBuffer>& aBuffer) = 0;
+
+ /**
+ * Callback for socket success. Consumer-thread only.
+ *
+ * @param aIndex The index that has been given to the stream socket.
+ */
+ virtual void OnConnectSuccess(int aIndex) = 0;
+
+ /**
+ * Callback for socket errors. Consumer-thread only.
+ *
+ * @param aIndex The index that has been given to the stream socket.
+ */
+ virtual void OnConnectError(int aIndex) = 0;
+
+ /**
+ * Callback for socket disconnect. Consumer-thread only.
+ *
+ * @param aIndex The index that has been given to the stream socket.
+ */
+ virtual void OnDisconnect(int aIndex) = 0;
+
+protected:
+ virtual ~StreamSocketConsumer();
+};
+
+}
+}
+
+#endif
diff --git a/ipc/unixsocket/UnixSocketConnector.cpp b/ipc/unixsocket/UnixSocketConnector.cpp
new file mode 100644
index 000000000..eb38ff6de
--- /dev/null
+++ b/ipc/unixsocket/UnixSocketConnector.cpp
@@ -0,0 +1,38 @@
+/* -*- 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 "UnixSocketConnector.h"
+#include "nsISupportsImpl.h" // for MOZ_COUNT_CTOR, MOZ_COUNT_DTOR
+
+namespace mozilla {
+namespace ipc {
+
+UnixSocketConnector::UnixSocketConnector()
+{
+ MOZ_COUNT_CTOR(UnixSocketConnector);
+}
+
+UnixSocketConnector::~UnixSocketConnector()
+{
+ MOZ_COUNT_DTOR(UnixSocketConnector);
+}
+
+nsresult
+UnixSocketConnector::Duplicate(UniquePtr<UnixSocketConnector>& aConnector)
+{
+ UnixSocketConnector* connectorPtr;
+ auto rv = Duplicate(connectorPtr);
+ if (NS_FAILED(rv)) {
+ return rv;
+ }
+
+ aConnector = Move(UniquePtr<UnixSocketConnector>(connectorPtr));
+
+ return NS_OK;
+}
+
+}
+}
diff --git a/ipc/unixsocket/UnixSocketConnector.h b/ipc/unixsocket/UnixSocketConnector.h
new file mode 100644
index 000000000..21d2c7860
--- /dev/null
+++ b/ipc/unixsocket/UnixSocketConnector.h
@@ -0,0 +1,102 @@
+/* -*- 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/. */
+
+#ifndef mozilla_ipc_unixsocketconnector_h
+#define mozilla_ipc_unixsocketconnector_h
+
+#include <sys/socket.h>
+#include "mozilla/ipc/UnixSocketWatcher.h"
+#include "nsString.h"
+
+namespace mozilla {
+namespace ipc {
+
+/**
+ * |UnixSocketConnector| defines the socket creation and connection/listening
+ * functions for |UnixSocketConsumer|, et al. Due to the fact that socket setup
+ * can vary between protocols (Unix sockets, TCP sockets, Bluetooth sockets, etc),
+ * this allows the user to create whatever connection mechanism they need while
+ * still depending on libevent for non-blocking communication handling.
+ */
+class UnixSocketConnector
+{
+public:
+ virtual ~UnixSocketConnector();
+
+ /**
+ * Converts an address to a human-readable string.
+ *
+ * @param aAddress A socket address
+ * @param aAddressLength The number of valid bytes in |aAddress|
+ * @param[out] aAddressString The resulting string
+ * @return NS_OK on success, or an XPCOM error code otherwise.
+ */
+ virtual nsresult ConvertAddressToString(const struct sockaddr& aAddress,
+ socklen_t aAddressLength,
+ nsACString& aAddressString) = 0;
+
+ /**
+ * Creates a listening socket. I/O thread only.
+ *
+ * @param[out] aAddress The listening socket's address
+ * @param[out] aAddressLength The number of valid bytes in |aAddress|
+ * @param[out] aListenFd The socket's file descriptor
+ * @return NS_OK on success, or an XPCOM error code otherwise.
+ */
+ virtual nsresult CreateListenSocket(struct sockaddr* aAddress,
+ socklen_t* aAddressLength,
+ int& aListenFd) = 0;
+
+ /**
+ * Accepts a stream socket from a listening socket. I/O thread only.
+ *
+ * @param aListenFd The listening socket
+ * @param[out] aAddress Returns the stream socket's address
+ * @param[out] aAddressLength Returns the number of valid bytes in |aAddress|
+ * @param[out] aStreamFd The stream socket's file descriptor
+ * @return NS_OK on success, or an XPCOM error code otherwise.
+ */
+ virtual nsresult AcceptStreamSocket(int aListenFd,
+ struct sockaddr* aAddress,
+ socklen_t* aAddressLen,
+ int& aStreamFd) = 0;
+
+ /**
+ * Creates a stream socket. I/O thread only.
+ *
+ * @param[in|out] aAddress The stream socket's address
+ * @param[in|out] aAddressLength The number of valid bytes in |aAddress|
+ * @param[out] aStreamFd The socket's file descriptor
+ * @return NS_OK on success, or an XPCOM error code otherwise.
+ */
+ virtual nsresult CreateStreamSocket(struct sockaddr* aAddress,
+ socklen_t* aAddressLength,
+ int& aStreamFd) = 0;
+
+ /**
+ * Copies the instance of |UnixSocketConnector|. I/O thread only.
+ *
+ * @param[in] aConnector Returns a new instance of the connector class
+ * @return NS_OK on success, or an XPCOM error code otherwise
+ */
+ virtual nsresult Duplicate(UnixSocketConnector*& aConnector) = 0;
+
+ /**
+ * Copies the instance of |UnixSocketConnector|. I/O thread only.
+ *
+ * @param[in] aConnector Returns a new instance of the connector class
+ * @return NS_OK on success, or an XPCOM error code otherwise
+ */
+ nsresult Duplicate(UniquePtr<UnixSocketConnector>& aConnector);
+
+protected:
+ UnixSocketConnector();
+};
+
+}
+}
+
+#endif
diff --git a/ipc/unixsocket/moz.build b/ipc/unixsocket/moz.build
new file mode 100644
index 000000000..523aac3cb
--- /dev/null
+++ b/ipc/unixsocket/moz.build
@@ -0,0 +1,31 @@
+# -*- Mode: python; indent-tabs-mode: nil; tab-width: 40 -*-
+# vim: set filetype=python:
+# 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/.
+
+EXPORTS.mozilla.ipc += [
+ 'ConnectionOrientedSocket.h',
+ 'DataSocket.h',
+ 'ListenSocket.h',
+ 'ListenSocketConsumer.h',
+ 'SocketBase.h',
+ 'StreamSocket.h',
+ 'StreamSocketConsumer.h',
+ 'UnixSocketConnector.h'
+]
+
+SOURCES += [
+ 'ConnectionOrientedSocket.cpp',
+ 'DataSocket.cpp',
+ 'ListenSocket.cpp',
+ 'ListenSocketConsumer.cpp',
+ 'SocketBase.cpp',
+ 'StreamSocket.cpp',
+ 'StreamSocketConsumer.cpp',
+ 'UnixSocketConnector.cpp'
+]
+
+include('/ipc/chromium/chromium-config.mozbuild')
+
+FINAL_LIBRARY = 'xul'