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_ 69
