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| 1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | |
| 2 // Use of this source code is governed by a BSD-style license that can be | |
| 3 // found in the LICENSE file. | |
| 4 | |
| 5 // Parameter types for SRPC Invocation. | |
| 6 | |
| 7 #ifndef NATIVE_CLIENT_SRC_TRUSTED_PLUGIN_SRPC_PARAMS_H | |
| 8 #define NATIVE_CLIENT_SRC_TRUSTED_PLUGIN_SRPC_PARAMS_H | |
| 9 | |
| 10 #include "native_client/src/include/nacl_macros.h" | |
| 11 #include "native_client/src/include/portability_string.h" | |
| 12 #include "native_client/src/shared/srpc/nacl_srpc.h" | |
| 13 | |
| 14 namespace plugin { | |
| 15 | |
| 16 // A utility class that builds and deletes parameter vectors used in rpcs. | |
| 17 class SrpcParams { | |
| 18 public: | |
| 19 SrpcParams() { | |
| 20 memset(ins_, 0, sizeof(ins_)); | |
| 21 memset(outs_, 0, sizeof(outs_)); | |
| 22 } | |
| 23 | |
| 24 SrpcParams(const char* in_types, const char* out_types) { | |
| 25 if (!Init(in_types, out_types)) { | |
| 26 FreeAll(); | |
| 27 } | |
| 28 } | |
| 29 | |
| 30 ~SrpcParams() { | |
| 31 FreeAll(); | |
| 32 } | |
| 33 | |
| 34 bool Init(const char* in_types, const char* out_types); | |
| 35 | |
| 36 NaClSrpcArg** ins() const { return const_cast<NaClSrpcArg**>(ins_); } | |
| 37 NaClSrpcArg** outs() const { return const_cast<NaClSrpcArg**>(outs_); } | |
| 38 | |
| 39 private: | |
| 40 NACL_DISALLOW_COPY_AND_ASSIGN(SrpcParams); | |
| 41 void FreeAll(); | |
| 42 // The ins_ and outs_ arrays contain one more element, to hold a NULL pointer | |
| 43 // to indicate the end of the list. | |
| 44 NaClSrpcArg* ins_[NACL_SRPC_MAX_ARGS + 1]; | |
| 45 NaClSrpcArg* outs_[NACL_SRPC_MAX_ARGS + 1]; | |
| 46 }; | |
| 47 | |
| 48 } // namespace plugin | |
| 49 | |
| 50 #endif // NATIVE_CLIENT_SRC_TRUSTED_PLUGIN_SRPC_PARAMS_H | |
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