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1 /* -*- c++ -*- */ | 1 /* -*- c++ -*- */ |
2 /* | 2 /* |
3 * Copyright (c) 2012 The Native Client Authors. All rights reserved. | 3 * Copyright (c) 2012 The Native Client Authors. All rights reserved. |
4 * Use of this source code is governed by a BSD-style license that can be | 4 * Use of this source code is governed by a BSD-style license that can be |
5 * found in the LICENSE file. | 5 * found in the LICENSE file. |
6 */ | 6 */ |
7 | 7 |
8 | 8 |
9 // Utility class for launching sel_ldr. | 9 // Utility class for launching sel_ldr. |
10 | 10 |
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36 */ | 36 */ |
37 class SelLdrLocator { | 37 class SelLdrLocator { |
38 public: | 38 public: |
39 // Returns a directory with sel_ldr. | 39 // Returns a directory with sel_ldr. |
40 virtual void GetDirectory(char* buffer, size_t len) = 0; | 40 virtual void GetDirectory(char* buffer, size_t len) = 0; |
41 | 41 |
42 SelLdrLocator() {} | 42 SelLdrLocator() {} |
43 | 43 |
44 virtual ~SelLdrLocator() {} | 44 virtual ~SelLdrLocator() {} |
45 | 45 |
| 46 private: |
46 DISALLOW_COPY_AND_ASSIGN(SelLdrLocator); | 47 DISALLOW_COPY_AND_ASSIGN(SelLdrLocator); |
47 }; | 48 }; |
48 | 49 |
49 /* | 50 /* |
50 * Default implementation of SelLdrLocator which tries to | 51 * Default implementation of SelLdrLocator which tries to |
51 * locate a browser plugin. Default constructor of SelLdrLauncher use it. | 52 * locate a browser plugin. Default constructor of SelLdrLauncher use it. |
52 */ | 53 */ |
53 class PluginSelLdrLocator : public SelLdrLocator { | 54 class PluginSelLdrLocator : public SelLdrLocator { |
54 public: | 55 public: |
55 // We have different implementations for all platforms. | 56 // We have different implementations for all platforms. |
56 virtual void GetDirectory(char* buffer, size_t len); | 57 virtual void GetDirectory(char* buffer, size_t len); |
57 | 58 |
58 PluginSelLdrLocator() {} | 59 PluginSelLdrLocator() {} |
59 | 60 |
| 61 private: |
60 DISALLOW_COPY_AND_ASSIGN(PluginSelLdrLocator); | 62 DISALLOW_COPY_AND_ASSIGN(PluginSelLdrLocator); |
61 }; | 63 }; |
62 | 64 |
63 /* | 65 /* |
64 * This class encapsulates the process of launching an instance of sel_ldr | 66 * This class encapsulates the process of launching an instance of sel_ldr |
65 * to communicate with the NaCl plugin over an IMC channel. | 67 * to communicate with the NaCl plugin over an IMC channel. |
66 * | 68 * |
67 * The sel_ldr process can be forked directly using a command line of args | 69 * The sel_ldr process can be forked directly using a command line of args |
68 * or by sending a message to the (Chrome) browser process. | 70 * or by sending a message to the (Chrome) browser process. |
69 */ | 71 */ |
70 class SelLdrLauncherBase { | 72 class SelLdrLauncherBase { |
71 public: | 73 public: |
72 SelLdrLauncherBase(); | 74 SelLdrLauncherBase(); |
73 virtual ~SelLdrLauncherBase(); | 75 virtual ~SelLdrLauncherBase(); |
74 | 76 |
75 ///////////////////////////////////////////////////////////////////////////// | 77 ///////////////////////////////////////////////////////////////////////////// |
76 // Browser start-up: (used by the plugin inside or outside of Chrome build.) | 78 // Browser start-up: (used by the plugin inside or outside of Chrome build.) |
77 ///////////////////////////////////////////////////////////////////////////// | 79 ///////////////////////////////////////////////////////////////////////////// |
78 | 80 |
79 virtual bool Start(const char* url) = 0; | 81 virtual bool Start(const char* url) = 0; |
80 | 82 |
81 ///////////////////////////////////////////////////////////////////////////// | 83 ///////////////////////////////////////////////////////////////////////////// |
82 // After starting the sel_ldr process. | 84 // After starting the sel_ldr process. |
83 ///////////////////////////////////////////////////////////////////////////// | 85 ///////////////////////////////////////////////////////////////////////////// |
84 | 86 |
85 // Connects bootstrap socket. | |
86 bool ConnectBootstrapSocket(); | |
87 | |
88 // Retrieves the socket address. | |
89 bool RetrieveSockAddr(); | |
90 | |
91 // Sets up the command channel |command|. | 87 // Sets up the command channel |command|. |
92 bool SetupCommand(NaClSrpcChannel* command); | 88 bool SetupCommand(NaClSrpcChannel* command); |
93 | 89 |
94 // Load |nexe| over the command channel |command|. | 90 // Load |nexe| over the command channel |command|. |
95 bool LoadModule(NaClSrpcChannel* command, DescWrapper* nexe); | 91 bool LoadModule(NaClSrpcChannel* command, DescWrapper* nexe); |
96 | 92 |
97 // Sets up the command channel |command| and sends the SRPC to load |nexe|. | |
98 bool SetupCommandAndLoad(NaClSrpcChannel* command, DescWrapper* nexe); | |
99 | |
100 // Sends the SRPC to start the nexe over |command|. | 93 // Sends the SRPC to start the nexe over |command|. |
101 bool StartModule(NaClSrpcChannel* command); | 94 bool StartModule(NaClSrpcChannel* command); |
102 | 95 |
103 // Sets up the SRPC channel |out_app_chan|. | 96 // Sets up the SRPC channel |out_app_chan|. |
104 bool SetupAppChannel(NaClSrpcChannel* out_app_chan); | 97 bool SetupAppChannel(NaClSrpcChannel* out_app_chan); |
105 | 98 |
106 // Sends the SRPC to start the nexe over |command| and sets up the application | |
107 // SRPC chanel |out_app_chan|. | |
108 bool StartModuleAndSetupAppChannel(NaClSrpcChannel* command, | |
109 NaClSrpcChannel* out_app_chan); | |
110 | |
111 // Returns the socket address used to connect to the sel_ldr. | |
112 DescWrapper* secure_socket_addr() const { return secure_socket_addr_.get(); } | |
113 | |
114 // Returns the socket address used to connect to the module. | 99 // Returns the socket address used to connect to the module. |
115 DescWrapper* socket_addr() const { return socket_addr_.get(); } | 100 DescWrapper* socket_addr() const { return socket_addr_.get(); } |
116 | 101 |
117 // Wraps a raw NaClDesc descriptor. If NULL is returned, caller retains | |
118 // ownership of the reference. | |
119 DescWrapper* Wrap(NaClDesc* raw_desc); | |
120 | |
121 // As above, but raw_desc is Unref'd on failure. | |
122 DescWrapper* WrapCleanup(NaClDesc* raw_desc); | |
123 | |
124 protected: | 102 protected: |
125 NaClHandle channel_; | 103 NaClHandle channel_; |
126 | 104 |
127 private: | 105 private: |
| 106 // Connects bootstrap socket. |
| 107 bool ConnectBootstrapSocket(); |
| 108 |
| 109 // Retrieves the socket address. |
| 110 bool RetrieveSockAddr(); |
| 111 |
128 // lifetime of bootstrap_socket_ must be at least that of factory_ | 112 // lifetime of bootstrap_socket_ must be at least that of factory_ |
129 scoped_ptr<DescWrapperFactory> factory_; | 113 scoped_ptr<DescWrapperFactory> factory_; |
130 scoped_ptr<DescWrapper> bootstrap_socket_; | 114 scoped_ptr<DescWrapper> bootstrap_socket_; |
131 // The socket address returned from sel_ldr for connects. | 115 // The socket address returned from sel_ldr for connects. |
132 scoped_ptr<DescWrapper> secure_socket_addr_; | 116 scoped_ptr<DescWrapper> secure_socket_addr_; |
133 scoped_ptr<DescWrapper> socket_addr_; | 117 scoped_ptr<DescWrapper> socket_addr_; |
134 }; | 118 }; |
135 | 119 |
136 class SelLdrLauncherStandalone : public SelLdrLauncherBase { | 120 class SelLdrLauncherStandalone : public SelLdrLauncherBase { |
137 public: | 121 public: |
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208 std::vector<nacl::string> application_argv_; | 192 std::vector<nacl::string> application_argv_; |
209 | 193 |
210 std::vector<NaClHandle> close_after_launch_; | 194 std::vector<NaClHandle> close_after_launch_; |
211 | 195 |
212 scoped_ptr<SelLdrLocator> sel_ldr_locator_; | 196 scoped_ptr<SelLdrLocator> sel_ldr_locator_; |
213 }; | 197 }; |
214 | 198 |
215 } // namespace nacl | 199 } // namespace nacl |
216 | 200 |
217 #endif // NATIVE_CLIENT_SRC_TRUSTED_NONNACL_UTIL_SEL_LDR_LAUNCHER_H_ | 201 #endif // NATIVE_CLIENT_SRC_TRUSTED_NONNACL_UTIL_SEL_LDR_LAUNCHER_H_ |
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