From 26a029d407be480d791972afb5975cf62c9360a6 Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Fri, 19 Apr 2024 02:47:55 +0200
Subject: Adding upstream version 124.0.1.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 third_party/libwebrtc/rtc_base/socket_stream.cc | 121 ++++++++++++++++++++++++
 1 file changed, 121 insertions(+)
 create mode 100644 third_party/libwebrtc/rtc_base/socket_stream.cc

(limited to 'third_party/libwebrtc/rtc_base/socket_stream.cc')

diff --git a/third_party/libwebrtc/rtc_base/socket_stream.cc b/third_party/libwebrtc/rtc_base/socket_stream.cc
new file mode 100644
index 0000000000..5c993ea233
--- /dev/null
+++ b/third_party/libwebrtc/rtc_base/socket_stream.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 "rtc_base/socket_stream.h"
+
+#include "rtc_base/checks.h"
+#include "rtc_base/socket.h"
+
+namespace rtc {
+
+SocketStream::SocketStream(Socket* socket) : socket_(nullptr) {
+  Attach(socket);
+}
+
+SocketStream::~SocketStream() {
+  delete socket_;
+}
+
+void SocketStream::Attach(Socket* 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);
+  }
+}
+
+Socket* SocketStream::Detach() {
+  Socket* socket = socket_;
+  if (socket_) {
+    socket_->SignalConnectEvent.disconnect(this);
+    socket_->SignalReadEvent.disconnect(this);
+    socket_->SignalWriteEvent.disconnect(this);
+    socket_->SignalCloseEvent.disconnect(this);
+    socket_ = nullptr;
+  }
+  return socket;
+}
+
+StreamState SocketStream::GetState() const {
+  RTC_DCHECK(socket_ != nullptr);
+  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(rtc::ArrayView<uint8_t> buffer,
+                                size_t& read,
+                                int& error) {
+  RTC_DCHECK(socket_ != nullptr);
+  int result = socket_->Recv(buffer.data(), buffer.size(), nullptr);
+  if (result < 0) {
+    if (socket_->IsBlocking())
+      return SR_BLOCK;
+    error = socket_->GetError();
+    return SR_ERROR;
+  }
+  if ((result > 0) || (buffer.size() == 0)) {
+    read = result;
+    return SR_SUCCESS;
+  }
+  return SR_EOS;
+}
+
+StreamResult SocketStream::Write(rtc::ArrayView<const uint8_t> data,
+                                 size_t& written,
+                                 int& error) {
+  RTC_DCHECK(socket_ != nullptr);
+  int result = socket_->Send(data.data(), data.size());
+  if (result < 0) {
+    if (socket_->IsBlocking())
+      return SR_BLOCK;
+    error = socket_->GetError();
+    return SR_ERROR;
+  }
+  written = result;
+  return SR_SUCCESS;
+}
+
+void SocketStream::Close() {
+  RTC_DCHECK(socket_ != nullptr);
+  socket_->Close();
+}
+
+void SocketStream::OnConnectEvent(Socket* socket) {
+  RTC_DCHECK(socket == socket_);
+  SignalEvent(this, SE_OPEN | SE_READ | SE_WRITE, 0);
+}
+
+void SocketStream::OnReadEvent(Socket* socket) {
+  RTC_DCHECK(socket == socket_);
+  SignalEvent(this, SE_READ, 0);
+}
+
+void SocketStream::OnWriteEvent(Socket* socket) {
+  RTC_DCHECK(socket == socket_);
+  SignalEvent(this, SE_WRITE, 0);
+}
+
+void SocketStream::OnCloseEvent(Socket* socket, int err) {
+  RTC_DCHECK(socket == socket_);
+  SignalEvent(this, SE_CLOSE, err);
+}
+
+}  // namespace rtc
-- 
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