Adds a modified copy of talk/base to webrtc/base. It is the first step in
migrating talk/base to webrtc/base.
BUG=N/A
R=niklas.enbom@webrtc.org
Review URL: https://webrtc-codereview.appspot.com/17479005
git-svn-id: http://webrtc.googlecode.com/svn/trunk/webrtc@6129 4adac7df-926f-26a2-2b94-8c16560cd09d
diff --git a/base/socketstream.cc b/base/socketstream.cc
new file mode 100644
index 0000000..b0acf94
--- /dev/null
+++ b/base/socketstream.cc
@@ -0,0 +1,121 @@
+/*
+ * Copyright 2010 The WebRTC Project Authors. All rights reserved.
+ *
+ * Use of this source code is governed by a BSD-style license
+ * that can be found in the LICENSE file in the root of the source
+ * tree. An additional intellectual property rights grant can be found
+ * in the file PATENTS. All contributing project authors may
+ * be found in the AUTHORS file in the root of the source tree.
+ */
+
+#include "webrtc/base/socketstream.h"
+
+namespace rtc {
+
+SocketStream::SocketStream(AsyncSocket* socket) : socket_(NULL) {
+ Attach(socket);
+}
+
+SocketStream::~SocketStream() {
+ delete socket_;
+}
+
+void SocketStream::Attach(AsyncSocket* socket) {
+ if (socket_)
+ delete socket_;
+ socket_ = socket;
+ if (socket_) {
+ socket_->SignalConnectEvent.connect(this, &SocketStream::OnConnectEvent);
+ socket_->SignalReadEvent.connect(this, &SocketStream::OnReadEvent);
+ socket_->SignalWriteEvent.connect(this, &SocketStream::OnWriteEvent);
+ socket_->SignalCloseEvent.connect(this, &SocketStream::OnCloseEvent);
+ }
+}
+
+AsyncSocket* SocketStream::Detach() {
+ AsyncSocket* socket = socket_;
+ if (socket_) {
+ socket_->SignalConnectEvent.disconnect(this);
+ socket_->SignalReadEvent.disconnect(this);
+ socket_->SignalWriteEvent.disconnect(this);
+ socket_->SignalCloseEvent.disconnect(this);
+ socket_ = NULL;
+ }
+ return socket;
+}
+
+StreamState SocketStream::GetState() const {
+ ASSERT(socket_ != NULL);
+ switch (socket_->GetState()) {
+ case Socket::CS_CONNECTED:
+ return SS_OPEN;
+ case Socket::CS_CONNECTING:
+ return SS_OPENING;
+ case Socket::CS_CLOSED:
+ default:
+ return SS_CLOSED;
+ }
+}
+
+StreamResult SocketStream::Read(void* buffer, size_t buffer_len,
+ size_t* read, int* error) {
+ ASSERT(socket_ != NULL);
+ int result = socket_->Recv(buffer, buffer_len);
+ if (result < 0) {
+ if (socket_->IsBlocking())
+ return SR_BLOCK;
+ if (error)
+ *error = socket_->GetError();
+ return SR_ERROR;
+ }
+ if ((result > 0) || (buffer_len == 0)) {
+ if (read)
+ *read = result;
+ return SR_SUCCESS;
+ }
+ return SR_EOS;
+}
+
+StreamResult SocketStream::Write(const void* data, size_t data_len,
+ size_t* written, int* error) {
+ ASSERT(socket_ != NULL);
+ int result = socket_->Send(data, data_len);
+ if (result < 0) {
+ if (socket_->IsBlocking())
+ return SR_BLOCK;
+ if (error)
+ *error = socket_->GetError();
+ return SR_ERROR;
+ }
+ if (written)
+ *written = result;
+ return SR_SUCCESS;
+}
+
+void SocketStream::Close() {
+ ASSERT(socket_ != NULL);
+ socket_->Close();
+}
+
+void SocketStream::OnConnectEvent(AsyncSocket* socket) {
+ ASSERT(socket == socket_);
+ SignalEvent(this, SE_OPEN | SE_READ | SE_WRITE, 0);
+}
+
+void SocketStream::OnReadEvent(AsyncSocket* socket) {
+ ASSERT(socket == socket_);
+ SignalEvent(this, SE_READ, 0);
+}
+
+void SocketStream::OnWriteEvent(AsyncSocket* socket) {
+ ASSERT(socket == socket_);
+ SignalEvent(this, SE_WRITE, 0);
+}
+
+void SocketStream::OnCloseEvent(AsyncSocket* socket, int err) {
+ ASSERT(socket == socket_);
+ SignalEvent(this, SE_CLOSE, err);
+}
+
+
+} // namespace rtc