1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
|
/*
* Copyright (C) 2013 Apple Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef CurlDownload_h
#define CurlDownload_h
#include <WebCore/FileSystem.h>
#include <WebCore/ResourceHandle.h>
#include <WebCore/ResourceResponse.h>
#if PLATFORM(WIN)
#include <windows.h>
#include <winsock2.h>
#endif
#include <curl/curl.h>
namespace WebCore {
class CurlDownloadManager {
public:
CurlDownloadManager();
~CurlDownloadManager();
bool add(CURL* curlHandle);
bool remove(CURL* curlHandle);
int getActiveDownloadCount() const;
int getPendingDownloadCount() const;
private:
void startThreadIfNeeded();
void stopThread();
void stopThreadIfIdle();
void updateHandleList();
CURLM* getMultiHandle() const { return m_curlMultiHandle; }
bool runThread() const { return m_runThread; }
void setRunThread(bool runThread) { m_runThread = runThread; }
bool addToCurl(CURL* curlHandle);
bool removeFromCurl(CURL* curlHandle);
static void downloadThread(void* data);
ThreadIdentifier m_threadId;
CURLM* m_curlMultiHandle;
int m_activeDownloadCount;
Vector<CURL*> m_pendingHandleList;
Vector<CURL*> m_removedHandleList;
mutable Mutex m_mutex;
bool m_runThread;
};
class CurlDownloadListener {
public:
virtual void didReceiveResponse() { }
virtual void didReceiveDataOfLength(int size) { }
virtual void didFinish() { }
virtual void didFail() { }
};
class CurlDownload {
public:
CurlDownload();
~CurlDownload();
void init(CurlDownloadListener*, const WebCore::KURL&);
void init(CurlDownloadListener*, ResourceHandle*, const ResourceRequest&, const ResourceResponse&);
bool start();
bool cancel();
String getTempPath() const;
String getUrl() const;
WebCore::ResourceResponse getResponse() const;
bool deletesFileUponFailure() const { return m_deletesFileUponFailure; }
void setDeletesFileUponFailure(bool deletesFileUponFailure) { m_deletesFileUponFailure = deletesFileUponFailure; }
void setDestination(const String& destination) { m_destination = destination; }
private:
void closeFile();
void moveFileToDestination();
void writeDataToFile(const char* data, int size);
void addHeaders(const ResourceRequest&);
// Called on download thread.
void didReceiveHeader(const String& header);
void didReceiveData(void* data, int size);
// Called on main thread.
void didReceiveResponse();
void didReceiveDataOfLength(int size);
void didFinish();
void didFail();
static size_t writeCallback(void* ptr, size_t, size_t nmemb, void* data);
static size_t headerCallback(char* ptr, size_t, size_t nmemb, void* data);
static void downloadFinishedCallback(CurlDownload*);
static void downloadFailedCallback(CurlDownload*);
static void receivedDataCallback(CurlDownload*, int size);
static void receivedResponseCallback(CurlDownload*);
CURL* m_curlHandle;
struct curl_slist* m_customHeaders;
char* m_url;
String m_tempPath;
String m_destination;
WebCore::PlatformFileHandle m_tempHandle;
WebCore::ResourceResponse m_response;
bool m_deletesFileUponFailure;
mutable Mutex m_mutex;
CurlDownloadListener *m_listener;
static CurlDownloadManager m_downloadManager;
friend class CurlDownloadManager;
};
}
#endif
|
