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1 /* | |
2 * Copyright (c) 2012 The Chromium Authors. All rights reserved. | |
3 * Use of this source code is governed by a BSD-style license that can be | |
4 * found in the LICENSE file. | |
5 */ | |
6 | |
7 // A representation of an SRPC connection. These can be either to the | |
8 // service runtime or to untrusted NaCl threads. | |
9 | |
10 #ifndef NATIVE_CLIENT_SRC_TRUSTED_PLUGIN_SRPC_CLIENT_H_ | |
11 #define NATIVE_CLIENT_SRC_TRUSTED_PLUGIN_SRPC_CLIENT_H_ | |
12 | |
13 #include <map> | |
14 #include <string> | |
15 | |
16 #include "native_client/src/include/nacl_macros.h" | |
17 #include "native_client/src/shared/srpc/nacl_srpc.h" | |
18 #include "ppapi/native_client/src/trusted/plugin/utility.h" | |
19 | |
20 namespace nacl { | |
21 class DescWrapper; | |
22 } // namespace nacl | |
23 | |
24 namespace plugin { | |
25 | |
26 class ErrorInfo; | |
27 class MethodInfo; | |
28 class Plugin; | |
29 class SrpcParams; | |
30 | |
31 // SrpcClient represents an SRPC connection to a client. | |
32 class SrpcClient { | |
33 public: | |
34 // Factory method for creating SrpcClients. | |
35 static SrpcClient* New(nacl::DescWrapper* wrapper); | |
36 | |
37 // Init is passed a DescWrapper. The SrpcClient performs service | |
38 // discovery and provides the interface for future rpcs. | |
39 bool Init(nacl::DescWrapper* socket); | |
40 | |
41 // The destructor closes the connection to sel_ldr. | |
42 ~SrpcClient(); | |
43 | |
44 // Test whether the SRPC service has a given method. | |
45 bool HasMethod(const std::string& method_name); | |
46 // Invoke an SRPC method. | |
47 bool Invoke(const std::string& method_name, SrpcParams* params); | |
48 // Get the error status from that last method invocation | |
49 NaClSrpcError GetLastError() { return last_error_; } | |
50 bool InitParams(const std::string& method_name, SrpcParams* params); | |
51 | |
52 // Attach a service for reverse-direction (from .nexe) RPCs. | |
53 void AttachService(NaClSrpcService* service, void* instance_data); | |
54 | |
55 private: | |
56 NACL_DISALLOW_COPY_AND_ASSIGN(SrpcClient); | |
57 SrpcClient(); | |
58 void GetMethods(); | |
59 typedef std::map<std::string, MethodInfo*> Methods; | |
60 Methods methods_; | |
61 NaClSrpcChannel srpc_channel_; | |
62 bool srpc_channel_initialised_; | |
63 NaClSrpcError last_error_; | |
64 }; | |
65 | |
66 } // namespace plugin | |
67 | |
68 #endif // NATIVE_CLIENT_SRC_TRUSTED_PLUGIN_SRPC_CLIENT_H_ | |
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