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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.
*/
// A representation of an SRPC connection. These can be either to the
// service runtime or to untrusted NaCl threads.
#ifndef NATIVE_CLIENT_SRC_TRUSTED_PLUGIN_SRPC_CLIENT_H_
#define NATIVE_CLIENT_SRC_TRUSTED_PLUGIN_SRPC_CLIENT_H_
#include <map>
#include "native_client/src/include/nacl_macros.h"
#include "native_client/src/include/nacl_string.h"
#include "native_client/src/trusted/plugin/utility.h"
#include "native_client/src/shared/srpc/nacl_srpc.h"
namespace nacl {
class DescWrapper;
} // namespace nacl
namespace plugin {
class ErrorInfo;
class MethodInfo;
class Plugin;
class SrpcParams;
// SrpcClient represents an SRPC connection to a client.
class SrpcClient {
public:
// Factory method for creating SrpcClients.
static SrpcClient* New(nacl::DescWrapper* wrapper);
// Init is passed a DescWrapper. The SrpcClient performs service
// discovery and provides the interface for future rpcs.
bool Init(nacl::DescWrapper* socket);
// The destructor closes the connection to sel_ldr.
~SrpcClient();
bool StartJSObjectProxy(Plugin* plugin, ErrorInfo* error_info);
// Test whether the SRPC service has a given method.
bool HasMethod(const nacl::string& method_name);
// Invoke an SRPC method.
bool Invoke(const nacl::string& method_name, SrpcParams* params);
// Get the error status from that last method invocation
NaClSrpcError GetLastError() { return last_error_; }
bool InitParams(const nacl::string& method_name, SrpcParams* params);
// Attach a service for reverse-direction (from .nexe) RPCs.
void AttachService(NaClSrpcService* service, void* instance_data);
private:
NACL_DISALLOW_COPY_AND_ASSIGN(SrpcClient);
SrpcClient();
void GetMethods();
typedef std::map<nacl::string, MethodInfo*> Methods;
Methods methods_;
NaClSrpcChannel srpc_channel_;
bool srpc_channel_initialised_;
NaClSrpcError last_error_;
};
} // namespace plugin
#endif // NATIVE_CLIENT_SRC_TRUSTED_PLUGIN_SRPC_CLIENT_H_
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