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 "native_client/src/include/nacl_macros.h" 15 #include "native_client/src/include/nacl_string.h" 16 #include "native_client/src/shared/srpc/nacl_srpc.h" 17 #include "ppapi/native_client/src/trusted/plugin/utility.h" 18 19 namespace nacl { 20 class DescWrapper; 21 } // namespace nacl 22 23 namespace plugin { 24 25 class ErrorInfo; 26 class MethodInfo; 27 class Plugin; 28 class SrpcParams; 29 30 // SrpcClient represents an SRPC connection to a client. 31 class SrpcClient { 32 public: 33 // Factory method for creating SrpcClients. 34 static SrpcClient* New(nacl::DescWrapper* wrapper); 35 36 // Init is passed a DescWrapper. The SrpcClient performs service 37 // discovery and provides the interface for future rpcs. 38 bool Init(nacl::DescWrapper* socket); 39 40 // The destructor closes the connection to sel_ldr. 41 ~SrpcClient(); 42 43 // Test whether the SRPC service has a given method. 44 bool HasMethod(const nacl::string& method_name); 45 // Invoke an SRPC method. 46 bool Invoke(const nacl::string& method_name, SrpcParams* params); 47 // Get the error status from that last method invocation 48 NaClSrpcError GetLastError() { return last_error_; } 49 bool InitParams(const nacl::string& method_name, SrpcParams* params); 50 51 // Attach a service for reverse-direction (from .nexe) RPCs. 52 void AttachService(NaClSrpcService* service, void* instance_data); 53 54 private: 55 NACL_DISALLOW_COPY_AND_ASSIGN(SrpcClient); 56 SrpcClient(); 57 void GetMethods(); 58 typedef std::map<nacl::string, MethodInfo*> Methods; 59 Methods methods_; 60 NaClSrpcChannel srpc_channel_; 61 bool srpc_channel_initialised_; 62 NaClSrpcError last_error_; 63 }; 64 65 } // namespace plugin 66 67 #endif // NATIVE_CLIENT_SRC_TRUSTED_PLUGIN_SRPC_CLIENT_H_ 68
