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// Copyright (c) 2012 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
// Parameter types for SRPC Invocation.
#ifndef NATIVE_CLIENT_SRC_TRUSTED_PLUGIN_SRPC_PARAMS_H
#define NATIVE_CLIENT_SRC_TRUSTED_PLUGIN_SRPC_PARAMS_H
#include "native_client/src/include/nacl_macros.h"
#include "native_client/src/include/portability_string.h"
#include "native_client/src/shared/srpc/nacl_srpc.h"
namespace plugin {
// A utility class that builds and deletes parameter vectors used in rpcs.
class SrpcParams {
public:
SrpcParams() {
memset(ins_, 0, sizeof(ins_));
memset(outs_, 0, sizeof(outs_));
}
SrpcParams(const char* in_types, const char* out_types) {
if (!Init(in_types, out_types)) {
FreeAll();
}
}
~SrpcParams() {
FreeAll();
}
bool Init(const char* in_types, const char* out_types);
NaClSrpcArg** ins() const { return const_cast<NaClSrpcArg**>(ins_); }
NaClSrpcArg** outs() const { return const_cast<NaClSrpcArg**>(outs_); }
private:
NACL_DISALLOW_COPY_AND_ASSIGN(SrpcParams);
void FreeAll();
// The ins_ and outs_ arrays contain one more element, to hold a NULL pointer
// to indicate the end of the list.
NaClSrpcArg* ins_[NACL_SRPC_MAX_ARGS + 1];
NaClSrpcArg* outs_[NACL_SRPC_MAX_ARGS + 1];
};
} // namespace plugin
#endif // NATIVE_CLIENT_SRC_TRUSTED_PLUGIN_SRPC_PARAMS_H
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