Sign Up

Sign Up to our social questions and Answers Engine to ask questions, answer people’s questions, and connect with other people.

Have an account? Sign In

Have an account? Sign In Now

Sign In

Login to our social questions & Answers Engine to ask questions answer people’s questions & connect with other people.

Sign Up Here

Forgot Password?

Don't have account, Sign Up Here

Forgot Password

Lost your password? Please enter your email address. You will receive a link and will create a new password via email.

Have an account? Sign In Now

You must login to ask a question.

Forgot Password?

Need An Account, Sign Up Here

Please briefly explain why you feel this question should be reported.

Please briefly explain why you feel this answer should be reported.

Please briefly explain why you feel this user should be reported.

Sign InSign Up

The Archive Base

The Archive Base Logo The Archive Base Logo

The Archive Base Navigation

  • SEARCH
  • Home
  • About Us
  • Blog
  • Contact Us
Search
Ask A Question

Mobile menu

Close
Ask a Question
  • Home
  • Add group
  • Groups page
  • Feed
  • User Profile
  • Communities
  • Questions
    • New Questions
    • Trending Questions
    • Must read Questions
    • Hot Questions
  • Polls
  • Tags
  • Badges
  • Buy Points
  • Users
  • Help
  • Buy Theme
  • SEARCH
Home/ Questions/Q 6825205
In Process

The Archive Base Latest Questions

Editorial Team
  • 0
Editorial Team
Asked: May 26, 20262026-05-26T21:59:40+00:00 2026-05-26T21:59:40+00:00

I want to create an async. server. i succeed to do that, but now

  • 0

I want to create an async. server.
i succeed to do that, but now i want to bind async_read/asyn_write functions to caller object function. So i tried to do that with boost::function
here you have my code :

Server.cpp

#include "Server.h"
#include "Client.h"
#include "Network.h"

void        Server::accept(void)
{
    Network::ptr connection = Network::create(this->my_acceptor.get_io_service());
    this->my_acceptor.async_accept(connection->getSocket(), bind(&Server::endCmd, this, connection, placeholders::error));
}

void        Server::endCmd(Network::ptr connection, const boost::system::error_code& error)
{
    if (!error)
        {
            std::cout << "Recu un client!" << std::endl;
            this->client.push_back(new Client(connection));
            this->client[client.size() - 1]->checkAuthentification();
            std::cout << "Envoie du message de securisation" << std::endl;
            std::cout << "Nouvelle ecoute" << std::endl;
            this->accept();
        }
}

Client.h and .cpp

#include "Network.h"

class Client
{
private:
    Network::ptr    connection;

public:
    Client(Network::ptr);
    ~Client();
    void            checkAuthentification(void);
    void            endRead(const error_code& error, size_t nbytes);
    void            endWrite(const error_code &error);
};

#include "Client.h"

Client::Client(Network::ptr connect)
{
    this->connection = connect;
    this->connection->assignFunction(this);
}

Client::~Client()
{
    this->connection->close();
}

void            Client::checkAuthentification(void)
{
    this->connection->Swrite("BIENVENUE", this);
}

void            Client::endRead(const error_code& error, size_t nbytes)
{
    if (!error && nbytes != 0)
        {
            std::cout << this->connection->getRcvMsg() << std::endl;
            this->connection->Sread(this);
        }
    else
        this->connection->close();
}

void            Client::endWrite(const error_code &error)
{
    if (!error)
        this->connection->Sread(this);
    else
        this->connection->close();
}

and Network.cpp and .h

#include "Client.h"

class       Network : public boost::enable_shared_from_this<Network>
{
private:
    tcp::socket             socket;
    std::string             rcv_msg;
    std::string             msg;
    boost::array<char, 6>   rbuffer;
    boost::function<void (Client *, const error_code &, size_t)> fread;
    boost::function<void (Client *, const error_code &)> fwrite;

public:
    typedef boost::shared_ptr<Network> ptr;

    Network(io_service &);
    ~Network();
    void                assignFunction(void);
    void                close(void);
    void                Sread(Client *cli);
    void                Swrite(std::string msg, Client *cli);
    tcp::socket&        getSocket(void);
    std::string         getRcvMsg(void);
    static ptr          create(io_service &);
};

#include "Client.h"
#include "Network.h"

Network::Network(io_service &ios) : socket(ios)
{
}

Network::~Network()
{
    this->close();
}

void            Network::assignFunction(void)
{
    this->fread = &Client::endRead;
    this->fwrite = &Client::endWrite;
}

void            Network::close(void)
{
    if (this->socket.is_open())
    {
        std::cout << "Connection closed" << std::endl;
        this->socket.close();
    }
}

void        Network::Sread(Client *cli)
{
    async_read(this->socket, buffer(this->rbuffer), bind(&Network::fread, cli, placeholders::error, placeholders::bytes_transferred));
}


void            Network::Swrite(std::string msg, Client *cli)
{
    this->msg = msg;
    async_write(this->socket, buffer(this->msg, (int)this->msg.size()), bind(&Network::fwrite, cli, placeholders::error));
}

std::string     Network::getRcvMsg(void)
{
    return (std::string(this->rbuffer.c_array(), this->rbuffer.size()));
}

tcp::socket&    Network::getSocket(void)
{
    return (this->socket);
}

Network::ptr                Network::create(io_service &ios)
{
    return (ptr(new Network(ios)));
}

When i want to compile that, i have the following errors :

Client.h(10): error C2653: 'Network' : is not a class or namespace name
     Client.h(10): error C2146: syntax error : missing ';' before identifier 'connection'
     Client.h(10): error C4430: missing type specifier - int assumed. Note: C++ does not support default-int
     Client.h(10): error C4430: missing type specifier - int assumed. Note: C++ does not support default-int
     Client.h(13): error C2653: 'Network' : is not a class or namespace name
     Client.h(13): error C2653: 'Network' : is not a class or namespace name
     Client.h(13): error C2460: 'Client::ptr' : uses 'Client', which is being defined
                 Client.h(8) : see declaration of 'Client'
     1>Client.cpp(6): error C2511: 'Client::Client(Network::ptr)' : overloaded member function not found in 'Client'
                 Client.h(8) : see declaration of 'Client'
     1>Client.cpp(13): error C2039: 'connection' : is not a member of 'Client'
                 Client.h(8) : see declaration of 'Client'
     1>Client.cpp(13): error C2227: left of '->close' must point to class/struct/union/generic type
     1>Client.cpp(18): error C2039: 'connection' : is not a member of 'Client'
                 Client.h(8) : see declaration of 'Client'
     1>Client.cpp(18): error C2227: left of '->Swrite' must point to class/struct/union/generic type
     1>Client.cpp(25): error C2039: 'connection' : is not a member of 'Client'
                 Client.h(8) : see declaration of 'Client'
     1>Client.cpp(25): error C2227: left of '->getRcvMsg' must point to class/struct/union/generic type
     1>Client.cpp(26): error C2039: 'connection' : is not a member of 'Client'
                 Client.h(8) : see declaration of 'Client'
     1>Client.cpp(26): error C2227: left of '->Sread' must point to class/struct/union/generic type
     1>Client.cpp(29): error C2039: 'connection' : is not a member of 'Client'
                 Client.h(8) : see declaration of 'Client'
     1>Client.cpp(29): error C2227: left of '->close' must point to class/struct/union/generic type
     1>Client.cpp(35): error C2039: 'connection' : is not a member of 'Client'
                 Client.h(8) : see declaration of 'Client'
     1>Client.cpp(35): error C2227: left of '->Sread' must point to class/struct/union/generic type
     1>Client.cpp(37): error C2039: 'connection' : is not a member of 'Client'
                 Client.h(8) : see declaration of 'Client'
     1>Client.cpp(37): error C2227: left of '->close' must point to class/struct/union/generic type
         Commande.cpp
         main.cpp
     Client.h(10): error C2653: 'Network' : is not a class or namespace name
     Client.h(10): error C2146: syntax error : missing ';' before identifier 'connection'
     Client.h(10): error C4430: missing type specifier - int assumed. Note: C++ does not support default-int
     Client.h(10): error C4430: missing type specifier - int assumed. Note: C++ does not support default-int
     Client.h(13): error C2653: 'Network' : is not a class or namespace name
     Client.h(13): error C2653: 'Network' : is not a class or namespace name
     Client.h(13): error C2460: 'Client::ptr' : uses 'Client', which is being defined
                 Client.h(8) : see declaration of 'Client'
         My_exception.cpp
         Network.cpp
     Network.h(14): error C2065: 'Client' : undeclared identifier
     Network.h(14): error C2059: syntax error : ','
     Network.h(15): error C2065: 'Client' : undeclared identifier
     Network.h(15): error C2059: syntax error : ','
     Network.h(25): error C2065: 'Client' : undeclared identifier
     Network.h(25): error C2065: 'cli' : undeclared identifier
     Network.h(25): error C2143: syntax error : missing ',' before ')'
     Network.h(29): error C2143: syntax error : missing ';' before '}'
     Client.h(8): error C2143: syntax error : missing ';' before '{'
     Client.h(18): error C2143: syntax error : missing ';' before '}'
     1>Network.cpp(6): error C2143: syntax error : missing ';' before '{'
     1>Network.cpp(7): error C2143: syntax error : missing ';' before '}'
     1>Network.cpp(10): error C2143: syntax error : missing ';' before '{'
     1>Network.cpp(12): error C2143: syntax error : missing ';' before '}'
     1>Network.cpp(15): error C2143: syntax error : missing ';' before '{'
     1>Network.cpp(16): error C2653: 'Client' : is not a class or namespace name
     1>Network.cpp(17): error C2653: 'Client' : is not a class or namespace name
     1>Network.cpp(18): error C2143: syntax error : missing ';' before '}'
     1>Network.cpp(21): error C2143: syntax error : missing ';' before '{'
     1>Network.cpp(23): error C2143: syntax error : missing ';' before '{'
     1>Network.cpp(26): error C2143: syntax error : missing ';' before '}'
     1>Network.cpp(27): error C2143: syntax error : missing ';' before '}'
     1>Network.cpp(30): error C2143: syntax error : missing ';' before '{'
     1>Network.cpp(31): error C2355: 'this' : can only be referenced inside non-static member functions
     1>Network.cpp(31): error C2227: left of '->rbuffer' must point to class/struct/union/generic type
     1>Network.cpp(31): error C2065: 'cli' : undeclared identifier
     1>Network.cpp(31): error C2143: syntax error : missing ',' before ')'
     1>Network.cpp(32): error C2143: syntax error : missing ';' before '}'
     1>Network.cpp(35): error C2065: 'Client' : undeclared identifier
     1>Network.cpp(35): error C2065: 'cli' : undeclared identifier
     1>Network.cpp(35): error C2143: syntax error : missing ',' before ')'
     1>Network.cpp(36): error C2143: syntax error : missing ';' before '{'
     1>Network.cpp(38): error C2355: 'this' : can only be referenced inside non-static member functions
     1>Network.cpp(38): error C2227: left of '->msg' must point to class/struct/union/generic type
     1>Network.cpp(38): error C2355: 'this' : can only be referenced inside non-static member functions
     1>Network.cpp(38): error C2227: left of '->msg' must point to class/struct/union/generic type
     1>Network.cpp(38): error C2228: left of '.size' must have class/struct/union
     1>Network.cpp(38): error C2065: 'cli' : undeclared identifier
     1>Network.cpp(38): error C2143: syntax error : missing ',' before ')'
     1>Network.cpp(39): error C2143: syntax error : missing ';' before '}'
     1>Network.cpp(42): error C2143: syntax error : missing ';' before '{'
     1>Network.cpp(43): error C2355: 'this' : can only be referenced inside non-static member functions
     1>Network.cpp(43): error C2227: left of '->rbuffer' must point to class/struct/union/generic type
     1>Network.cpp(43): error C2228: left of '.size' must have class/struct/union
     1>Network.cpp(43): error C2143: syntax error : missing ',' before ')'
     1>Network.cpp(44): error C2143: syntax error : missing ';' before '}'
     1>Network.cpp(47): error C2143: syntax error : missing ';' before '{'
     1>Network.cpp(49): error C2143: syntax error : missing ';' before '}'
     1>Network.cpp(52): error C2143: syntax error : missing ';' before '{'
     1>Network.cpp(54): error C2143: syntax error : missing ';' before '}'
     1>Network.cpp(55): error C2143: syntax error : missing ';' before '}'
     1>Network.cpp(55): fatal error C1004: unexpected end-of-file found
         Server.cpp
     Client.h(10): error C2653: 'Network' : is not a class or namespace name
     Client.h(10): error C2146: syntax error : missing ';' before identifier 'connection'
     Client.h(10): error C4430: missing type specifier - int assumed. Note: C++ does not support default-int
     Client.h(10): error C4430: missing type specifier - int assumed. Note: C++ does not support default-int
     Client.h(13): error C2653: 'Network' : is not a class or namespace name
     Client.h(13): error C2653: 'Network' : is not a class or namespace name
     Client.h(13): error C2460: 'Client::ptr' : uses 'Client', which is being defined
                 Client.h(8) : see declaration of 'Client'
     1>Server.cpp(22): error C2664: 'Client::Client(const Client &)' : cannot convert parameter 1 from 'Network::ptr' to 'const Client &'
                 Reason: cannot convert from 'Network::ptr' to 'const Client'
                 No user-defined-conversion operator available that can perform this conversion, or the operator cannot be called

After so many hours of “googlings” and reflexion, i didn’t found why i have these errors.
Anyone can help me plz ?

  • 1 1 Answer
  • 0 Views
  • 0 Followers
  • 0
Share
  • Facebook
  • Report

Leave an answer
Cancel reply

You must login to add an answer.

Forgot Password?

Need An Account, Sign Up Here

1 Answer

  • Voted
  • Oldest
  • Recent
  • Random
  1. Editorial Team
    Editorial Team
    2026-05-26T21:59:41+00:00Added an answer on May 26, 2026 at 9:59 pm

    In Network.h, do not include Client.h, but instead forward declare class Client.

    • 0
    • Reply
    • Share
      Share
      • Share on Facebook
      • Share on Twitter
      • Share on LinkedIn
      • Share on WhatsApp
      • Report

Sidebar

Related Questions

I want to create a function that performs a function passed by parameter on
I want to create a simple http proxy server that does some very basic
Relevant to Silverlight 5 / Async CTP I want to create an asynchronous function
i want create image animation , i have 50 images with png format now
Here is the thing, I want to create a simply app that copy many
I want to create a web method that accepts a List of custom objects
In my server application I want to use DB (SQL Server) but I am
I want to create an async http request. Where to start? Can you give
I want create a drop shadow around the canvas component in flex. Technically speaking
I want create a excel with Apache POI in java and I must insert

Explore

  • Home
  • Add group
  • Groups page
  • Communities
  • Questions
    • New Questions
    • Trending Questions
    • Must read Questions
    • Hot Questions
  • Polls
  • Tags
  • Badges
  • Users
  • Help
  • SEARCH

Footer

© 2021 The Archive Base. All Rights Reserved
With Love by The Archive Base

Insert/edit link

Enter the destination URL

Or link to existing content

    No search term specified. Showing recent items. Search or use up and down arrow keys to select an item.