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RCF - Interprocess Communication for C++

, 25 Oct 2011
A server/client IPC framework, using the C++ preprocessor as an IDL compiler.
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class_r_c_f_1_1_exception.png
class_r_c_f_1_1_filter.png
class_r_c_f_1_1_filter_factory.png
class_r_c_f_1_1_filter_service.png
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class_r_c_f_1_1_identity_filter_factory.png
class_r_c_f_1_1_i___client_transport.png
class_r_c_f_1_1_i___endpoint.png
class_r_c_f_1_1_i___service.png
class_r_c_f_1_1_i___session_manager.png
class_r_c_f_1_1_multicast_client_transport.png
class_r_c_f_1_1_object_factory_service.png
class_r_c_f_1_1_open_ssl_encryption_filter.png
class_r_c_f_1_1_open_ssl_encryption_filter_factory.png
class_r_c_f_1_1_publishing_service.png
class_r_c_f_1_1_rcf_server.png
class_r_c_f_1_1_remote_exception.png
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class_r_c_f_1_1_tcp_endpoint.png
class_r_c_f_1_1_udp_endpoint.png
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latex
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class_r_c_f_1_1_filter_factory.eps
class_r_c_f_1_1_filter_factory.tex
class_r_c_f_1_1_filter_service.eps
class_r_c_f_1_1_filter_service.tex
class_r_c_f_1_1_identity_filter.eps
class_r_c_f_1_1_identity_filter.tex
class_r_c_f_1_1_identity_filter_factory.eps
class_r_c_f_1_1_identity_filter_factory.tex
class_r_c_f_1_1_i___client_transport.eps
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class_r_c_f_1_1_i___endpoint.eps
class_r_c_f_1_1_i___endpoint.tex
class_r_c_f_1_1_i___proactor.tex
class_r_c_f_1_1_i___rcf_client.tex
class_r_c_f_1_1_i___server_transport.tex
class_r_c_f_1_1_i___server_transport_ex.tex
class_r_c_f_1_1_i___service.eps
class_r_c_f_1_1_i___service.tex
class_r_c_f_1_1_i___session.tex
class_r_c_f_1_1_i___session_manager.eps
class_r_c_f_1_1_i___session_manager.tex
class_r_c_f_1_1_multicast_client_transport.eps
class_r_c_f_1_1_multicast_client_transport.tex
class_r_c_f_1_1_object_factory_service.eps
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class_r_c_f_1_1_open_ssl_encryption_filter.eps
class_r_c_f_1_1_open_ssl_encryption_filter.tex
class_r_c_f_1_1_open_ssl_encryption_filter_factory.eps
class_r_c_f_1_1_open_ssl_encryption_filter_factory.tex
class_r_c_f_1_1_publishing_service.eps
class_r_c_f_1_1_publishing_service.tex
class_r_c_f_1_1_rcf_server.eps
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class_r_c_f_1_1_remote_exception.eps
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class_r_c_f_1_1_subscription_service.eps
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class_r_c_f_1_1_tcp_endpoint.eps
class_r_c_f_1_1_tcp_endpoint.tex
class_r_c_f_1_1_udp_endpoint.eps
class_r_c_f_1_1_udp_endpoint.tex
class_r_c_f_1_1_zlib_stateful_compression_filter.tex
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class_r_c_f_1_1_zlib_stateful_compression_filter_factory.tex
class_r_c_f_1_1_zlib_stateless_compression_filter.tex
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class_r_c_f_1_1_zlib_stateless_compression_filter_factory.tex
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include
RCF
Marshal.inl
Protocol
RcfServer.inl
ServerStub.inl
test
util
Platform
Machine
SPARC
x86
OS
Unix
Windows
Threads
SF
src
RCF
Protocol
SF
test
borland
Jamfile
Jamrules
Jamfile
Jamrules
vs2003
RCF
RCF
RCFTest
client.pem
server.pem
rcf-09c.zip
RCF-0.9c
demo
vs2003
RCF
Client
Server
include
RCF
Marshal.inl
Protocol
RcfServer.inl
ServerStub.inl
test
util
Platform
Machine
SPARC
x86
OS
Unix
Windows
Threads
SF
src
RCF
Protocol
util
SF
test
bcc
Jamfile
Jamrules
data
caCertA.pem
caCertB.pem
certA.pem
certB.pem
ssCert1.pem
ssCert2.pem
Jamfile
Jamrules
vc6
Jamfile
Jamrules
//*****************************************************************************
// RCF - Remote Call Framework
// Copyright (c) 2005. All rights reserved.
// Developed by Jarl Lindrud.
// Contact: jlindrud@hotmail.com .
//*****************************************************************************

#ifndef INCLUDE_RCF_TCPCLIENTTRANSPORT_HPP
#define INCLUDE_RCF_TCPCLIENTTRANSPORT_HPP

#include <utility> // std::make_pair

#include <RCF/AsyncFilter.hpp>
#include <RCF/ByteOrdering.hpp>
#include <RCF/ClientTransport.hpp>
#include <RCF/UsingBsdSockets.hpp>

namespace RCF {

    //******************************************************
    // nonblocking socket routines

    int timedConnect(int timeoutMs, int fd, sockaddr *addr, int size);
    
    // returns -2 for timeout, -1 for error, otherwise number of bytes sent (> 0)
    int timedSend(int timeoutMs, int fd, const char *buffer, std::size_t length, int flags);

    // returns -2 for timeout, -1 for error, 0 for peer closure, otherwise size of packet read
    inline int timedRecv(int timeoutMs, int fd, char *buffer, std::size_t bufferLen, int flags);
    
    class BsdRecvFunctor
    {
    public:
        BsdRecvFunctor();

        enum Status
        {
            Ok,
            ConnectionReset,
            SocketError,
            TimeOut
        };

        void setFd(int fd);
        int getFd();
        void setEndTimeMs(unsigned int endTimeMs);
        unsigned int getEndTimeMs();
        Status getStatus();
        void operator()(char *buffer, std::size_t bufferLen);
        Filter::ReadFunction getReadFunction();
        void setReadWriteCompletionCallback(Filter::ReadWriteCompletionCallback readWriteCompletionCallback);

    private:
        Filter::ReadWriteCompletionCallback readWriteCompletionCallback;
        int fd;
        unsigned int endTimeMs;
        Status status;
    };

    class BsdSendFunctor
    {
    public:
        BsdSendFunctor();

        enum Status
        {
            Ok,
            SocketError,
            TimeOut
        };

        void setFd(int fd);
        int getFd();
        void setEndTimeMs(unsigned int endTimeMs);
        unsigned int getEndTimeMs();
        void operator()(const char *buffer, std::size_t bufferLen);
        Filter::WriteFunction getWriteFunction();
        void setReadWriteCompletionCallback(Filter::ReadWriteCompletionCallback readWriteCompletionCallback);

    private:

        Filter::ReadWriteCompletionCallback readWriteCompletionCallback;
        int fd;
        unsigned int endTimeMs;
        Status status;
    };
    
    class TcpClientTransport;

    typedef boost::shared_ptr<TcpClientTransport> TcpClientTransportPtr;

    class TcpClientTransport : public I_ClientTransport
    {
    public:
        TcpClientTransport::TcpClientTransport(const TcpClientTransport &rhs);
        TcpClientTransport(const std::string &ip, int port);
        TcpClientTransport(sockaddr_in remoteAddr);
        TcpClientTransport(int fd);
        ~TcpClientTransport();
        std::auto_ptr<I_ClientTransport> clone() const;
        EndpointPtr getEndpointPtr() const;
        int connect(unsigned int timeoutMs);

        // return -1 for error (including timeout), 1 for ok
        int send(const std::string &data, unsigned int timeoutMs);

        // return -1 for error (including timeout), otherwise bufferLen
        int timedReceive(char *buffer, std::size_t bufferLen);

        // returns -2 for timeout, .1 for error, 0 for peer closure, 1 for ok
        int receive(std::string &data, unsigned int timeoutMs);
        
        typedef boost::function1<void, int &> CloseFunctor;

        void setCloseFunctor(CloseFunctor closeFunctor);
        void setRemoteAddr(const sockaddr_in &remoteAddr);
        const sockaddr_in &getRemoteAddr();
        void close();
        bool isConnected();
        int releaseFd();
        int getFd();
        void setTransportFilters(const std::vector<FilterPtr> &filters);
        void connectTransportFilters();
        void onReadWriteCompleted(std::size_t bytes, int error);

    private:
        sockaddr_in mRemoteAddr;
        std::string ip;
        int port;
        int fd;
        bool own;

        std::size_t mBytesTransferred;
        int mError;

        boost::shared_ptr< CloseFunctor > mCloseFunctor;
        std::vector<FilterPtr> mTransportFilters;
        BsdSendFunctor sendFunctor;
        BsdRecvFunctor recvFunctor;
    };

}

#endif // ! INCLUDE_RCF_TCPCLIENTTRANSPORT_HPP

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About the Author

Jarl Lindrud

Australia Australia
Software developer, ex-resident of Sweden and now living in Canberra, Australia, working on distributed C++ applications. Jarl enjoys programming, but prefers skiing and playing table tennis. He derives immense satisfaction from referring to himself in third person.

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