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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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