1/*
2 * Copyright (C) 2009 Apple Inc. All rights reserved.
3 * Copyright (C) 2009, 2011, 2012 Google Inc.  All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions are
7 * met:
8 *
9 *     * Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 *     * Redistributions in binary form must reproduce the above
12 * copyright notice, this list of conditions and the following disclaimer
13 * in the documentation and/or other materials provided with the
14 * distribution.
15 *     * Neither the name of Google Inc. nor the names of its
16 * contributors may be used to endorse or promote products derived from
17 * this software without specific prior written permission.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
20 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
21 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
22 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
23 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
24 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
25 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
26 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
27 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
28 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
29 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
30 */
31
32#ifndef SocketStreamHandle_h
33#define SocketStreamHandle_h
34
35#include "weborigin/KURL.h"
36#include "wtf/PassRefPtr.h"
37#include "wtf/RefCounted.h"
38#include "wtf/StreamBuffer.h"
39
40namespace WebCore {
41
42class SocketStreamHandleClient;
43class SocketStreamHandleInternal;
44
45class SocketStreamHandle : public RefCounted<SocketStreamHandle> {
46public:
47    enum SocketStreamState { Connecting, Open, Closing, Closed };
48
49    static PassRefPtr<SocketStreamHandle> create(const KURL& url, SocketStreamHandleClient* client) { return adoptRef(new SocketStreamHandle(url, client)); }
50
51    virtual ~SocketStreamHandle();
52    SocketStreamState state() const;
53
54    bool send(const char* data, int length);
55    void close(); // Disconnect after all data in buffer are sent.
56    void disconnect();
57    size_t bufferedAmount() const { return m_buffer.size(); }
58
59    SocketStreamHandleClient* client() const { return m_client; }
60    void setClient(SocketStreamHandleClient*);
61
62private:
63    SocketStreamHandle(const KURL&, SocketStreamHandleClient*);
64
65    bool sendPendingData();
66
67    int sendInternal(const char* data, int length);
68    void closeInternal();
69
70    KURL m_url;
71    SocketStreamHandleClient* m_client;
72    StreamBuffer<char, 1024 * 1024> m_buffer;
73    SocketStreamState m_state;
74
75    friend class SocketStreamHandleInternal;
76    OwnPtr<SocketStreamHandleInternal> m_internal;
77};
78
79} // namespace WebCore
80
81#endif  // SocketStreamHandle_h
82