text: // Copyright (c) 2006-2008 The Chromium Authors. All rights reserved.
  // Use of this source code is governed by a BSD-style license that can be
  // found in the LICENSE file.
  
  #include "net/socket/client_socket_handle.h"
  
  #include "base/compiler_specific.h"
  #include "base/logging.h"
  #include "net/base/net_errors.h"
  #include "net/socket/client_socket_pool.h"
  
  namespace net {
  
  ClientSocketHandle::ClientSocketHandle()
      : socket_(NULL),
        is_reused_(false),
        ALLOW_THIS_IN_INITIALIZER_LIST(
            callback_(this, &ClientSocketHandle::OnIOComplete)) {}
  
  ClientSocketHandle::~ClientSocketHandle() {
    Reset();
  }
  
  void ClientSocketHandle::Reset() {
    ResetInternal(true);
  }
  
  void ClientSocketHandle::ResetInternal(bool cancel) {
    if (group_name_.empty())  // Was Init called?
      return;
    if (socket_.get()) {
      // If we've still got a socket, release it back to the ClientSocketPool so
      // it can be deleted or reused.
      pool_->ReleaseSocket(group_name_, release_socket());
    } else if (cancel) {
      // If we did not get initialized yet, so we've got a socket request pending.
      // Cancel it.
      pool_->CancelRequest(group_name_, this);
    }
    group_name_.clear();
    is_reused_ = false;
    user_callback_ = NULL;
    pool_ = NULL;
    idle_time_ = base::TimeDelta();
    init_time_ = base::TimeTicks();
  }
  
  LoadState ClientSocketHandle::GetLoadState() const {
    CHECK(!is_initialized());
    CHECK(!group_name_.empty());
    return pool_->GetLoadState(group_name_, this);
  }
  
  void ClientSocketHandle::OnIOComplete(int result) {
    CompletionCallback* callback = user_callback_;
    user_callback_ = NULL;
    HandleInitCompletion(result);
    callback->Run(result);
  }
  
  void ClientSocketHandle::HandleInitCompletion(int result) {
    CHECK(ERR_IO_PENDING != result);
    if (result != OK)
      ResetInternal(false);  // The request failed, so there's nothing to cancel.
  }
  
  }  // namespace net
  