1/*
2 * Copyright (C) 2010, 2012 Apple Inc. All rights reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
6 * are met:
7 * 1. Redistributions of source code must retain the above copyright
8 *    notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright
10 *    notice, this list of conditions and the following disclaimer in the
11 *    documentation and/or other materials provided with the distribution.
12 *
13 * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
14 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
15 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
17 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
18 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
19 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
20 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
21 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
22 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
23 * THE POSSIBILITY OF SUCH DAMAGE.
24 */
25
26#ifndef WebProcessLauncher_h
27#define WebProcessLauncher_h
28
29#include "Connection.h"
30#include "PlatformProcessIdentifier.h"
31#include <wtf/HashMap.h>
32#include <wtf/RefPtr.h>
33#include <wtf/Threading.h>
34#include <wtf/text/StringHash.h>
35#include <wtf/text/WTFString.h>
36
37namespace WebKit {
38
39class ProcessLauncher : public ThreadSafeRefCounted<ProcessLauncher> {
40public:
41    class Client {
42    public:
43        virtual ~Client() { }
44
45        virtual void didFinishLaunching(ProcessLauncher*, IPC::Connection::Identifier) = 0;
46    };
47
48    enum ProcessType {
49        WebProcess,
50#if ENABLE(NETSCAPE_PLUGIN_API)
51        PluginProcess,
52#endif
53#if ENABLE(NETWORK_PROCESS)
54        NetworkProcess,
55#endif
56#if ENABLE(DATABASE_PROCESS)
57        DatabaseProcess,
58#endif
59    };
60
61    struct LaunchOptions {
62        ProcessType processType;
63        HashMap<String, String> extraInitializationData;
64#if OS(DARWIN)
65        static const cpu_type_t MatchCurrentArchitecture = 0;
66        cpu_type_t architecture;
67        bool executableHeap;
68        bool useXPC;
69#endif
70#if PLATFORM(EFL) || PLATFORM(GTK)
71#ifndef NDEBUG
72        String processCmdPrefix;
73#endif
74#endif
75    };
76
77    static PassRefPtr<ProcessLauncher> create(Client* client, const LaunchOptions& launchOptions)
78    {
79        return adoptRef(new ProcessLauncher(client, launchOptions));
80    }
81
82    bool isLaunching() const { return m_isLaunching; }
83    PlatformProcessIdentifier processIdentifier() const { return m_processIdentifier; }
84
85    void terminateProcess();
86    void invalidate();
87
88    static bool getProcessTypeFromString(const char*, ProcessType&);
89    static const char* processTypeAsString(ProcessType);
90
91private:
92    ProcessLauncher(Client*, const LaunchOptions& launchOptions);
93
94    void launchProcess();
95    void didFinishLaunchingProcess(PlatformProcessIdentifier, IPC::Connection::Identifier);
96
97    void platformInvalidate();
98
99    Client* m_client;
100
101    const LaunchOptions m_launchOptions;
102    bool m_isLaunching;
103    PlatformProcessIdentifier m_processIdentifier;
104};
105
106} // namespace WebKit
107
108#endif // WebProcessLauncher_h
109