blob: 49bc4a985d7ce4846857b0b9036841412d95eac9 [file] [log] [blame]
// Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file
// for details. All rights reserved. Use of this source code is governed by a
// BSD-style license that can be found in the LICENSE file.
#include "platform/globals.h"
#if defined(TARGET_OS_WINDOWS)
#include "bin/dbg_connection.h"
#include "bin/eventhandler.h"
#include "bin/lockers.h"
#include "bin/log.h"
#include "bin/thread.h"
namespace dart {
namespace bin {
Monitor* DebuggerConnectionImpl::handler_monitor_ = new Monitor();
ThreadId DebuggerConnectionImpl::handler_thread_id_ = Thread::kInvalidThreadId;
bool DebuggerConnectionImpl::handler_thread_running_ = false;
void DebuggerConnectionImpl::NotifyThreadStarted() {
MonitorLocker ml(handler_monitor_);
ASSERT(!handler_thread_running_);
ASSERT(handler_thread_id_ == Thread::kInvalidThreadId);
handler_thread_running_ = true;
handler_thread_id_ = Thread::GetCurrentThreadId();
ml.Notify();
}
void DebuggerConnectionImpl::WaitForThreadStarted() {
MonitorLocker ml(handler_monitor_);
while (!handler_thread_running_) {
ml.Wait();
}
ASSERT(handler_thread_id_ != Thread::kInvalidThreadId);
}
void DebuggerConnectionImpl::NotifyThreadFinished() {
MonitorLocker ml(handler_monitor_);
ASSERT(handler_thread_running_);
ASSERT(handler_thread_id_ != Thread::kInvalidThreadId);
handler_thread_running_ = false;
ml.Notify();
}
void DebuggerConnectionImpl::WaitForThreadFinished() {
MonitorLocker ml(handler_monitor_);
while (handler_thread_running_) {
ml.Wait();
}
ASSERT(handler_thread_id_ != Thread::kInvalidThreadId);
Thread::Join(handler_thread_id_);
handler_thread_id_ = Thread::kInvalidThreadId;
}
void DebuggerConnectionImpl::ThreadEntry(uword args) {
NotifyThreadStarted();
ListenSocket* listen_socket =
reinterpret_cast<ListenSocket*>(DebuggerConnectionHandler::listener_fd_);
SOCKET client_socket = accept(listen_socket->socket(), NULL, NULL);
if (client_socket == INVALID_SOCKET) {
FATAL("Accepting new debugger connection failed.\n");
}
ClientSocket* socket = new ClientSocket(client_socket);
DebuggerConnectionHandler::AcceptDbgConnection(
reinterpret_cast<intptr_t>(socket));
NotifyThreadFinished();
}
void DebuggerConnectionImpl::StartHandler(int port_number) {
ASSERT(DebuggerConnectionHandler::listener_fd_ != -1);
int result = Thread::Start(&DebuggerConnectionImpl::ThreadEntry, 0);
if (result != 0) {
FATAL1("Failed to start debugger connection handler thread: %d\n", result);
}
WaitForThreadStarted();
}
void DebuggerConnectionImpl::StopHandler(intptr_t debug_fd) {
Send(debug_fd, NULL, 0);
WaitForThreadFinished();
}
intptr_t DebuggerConnectionImpl::Send(intptr_t socket,
const char* buf,
int len) {
ClientSocket* client_socket = reinterpret_cast<ClientSocket*>(socket);
return send(client_socket->socket(), buf, len, 0);
}
intptr_t DebuggerConnectionImpl::Receive(intptr_t socket, char* buf, int len) {
ClientSocket* client_socket = reinterpret_cast<ClientSocket*>(socket);
return recv(client_socket->socket(), buf, len, 0);
}
} // namespace bin
} // namespace dart
#endif // defined(TARGET_OS_WINDOWS)