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netcpp

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0.5.0

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netcpp

[한국어]
netcpp adalah pustaka jaringan C++ sederhana . Ini mendukung platform windows dan linux.

Instalasi

Perpustakaan ini mendukung port vcpkg. Jika Anda sudah menginstal vcpkg, Anda dapat menginstal paket ini hanya dengan baris perintah di bawah ini.

vcpkg install netcpp  # In classic mode
vcpkg add port netcpp # In manifest mode

Atau kloning repositori ini, dan jalankan baris perintah di bawah ini.

git clone https://github.com/index1207/netcpp.git && cd netcpp         # clone and move directory
cmake -B build                                                         # CMake Configuration
cmake --build build --config < BUILD_MODE >                              # Build library
cmake --install build --config < BUILD_MODE > --prefix < PATH_TO_INSTALL > # Install to other project

netcpp menyediakan target CMake:

 find_package (netcpp CONFIG REQUIRED)
target_link_libraries (main PRIVATE netcpp::netcpp)

Opsi CMake

Pilihan	Keterangan
`NETCPP_BUILD_SHARED`	Bangun dengan perpustakaan bersama
`NETCPP_TEST`	Sertakan pengujian unit dalam build

Contoh

Buat soket

 // <net/socket.hpp>
net::socket tcp_socket (net::protocol::tcp); // Create a TCP socket

net::socket udp_socket (net::protocol::udp); // Create a UDP socket

net::socket empty_socket;
empty_socket.create(net::protocol::tcp); // Create a new TCP socket

I/O asinkron

 // <net/context.hpp>
net::socket sock (net::protocol::tcp); // Create a new TCP socket.
net::context connect_ctx; // A context that necessary to async I/O
connect_ctx.endpoint = ENDPOINT; // Specify the endpoint.
connect_ctx.completed = [](net::context* ctx, bool success) { // callback
	if (success)
	{
		std::cout << " Connected " << std::endl;
	}
	else
	{
		std::cout << " Failed to connect " << std::endl;
	}
};
sock.connect(&connect_ctx); // Connect to specified endpoint asynchronously.

Koneksi dasar

 // Server
# include < net/Socket.hpp >
# include < iostream >
      
int main ()
{
    net::native::initialize (); // Initialize Native API
  
    net::socket sock (net::protocol::tcp); // Create new TCP socket
    if (!sock. is_open ()) // Validate socket
        return - 1 ;
    if (!sock. bind ( net::endpoint (net::ip_address::loopback, 8085 ))) // Bind the address `tcp://loopback:8085`
        return - 1 ;
    if (!sock. listen ()) // Ready to accept
        return - 1 ;
          
    while ( true )
    {
        auto client = sock. accept (); // accept other client. it returns new client socket.
        std::cout << " Connected n " ;
    }
}

 // Client
# include < net/socket.hpp >
# include < iostream >
  
int main ()
{
    net::native::initialize (); // Initialize Native API
  
    net::socket sock (net::protocol::tcp); // Create new TCP socket
    if (!sock. is_open ()) // Validate socket
        return - 1 ;
    if (!sock. connect ( net::endpoint (net::ip_address::loopback, 8085 ))) // Try to connect to server.
        return - 1 ;
    std::cout << " Connected! " ;
}

DNS

 // <net/dns.hpp>
net::dns::get_host_name () // get host's name

net::dns::get_host_entry( " www.example.com " ) // get www.example.com's host entry

Pengecualian

 try {
	if (!sock. connect (ENDPOINT))
	    throw net::network_exception ( " connect() " );
}
catch (std:: exception & e) {
	std::cout << e. what () << std::endl; // connect(): Cannot assign requested address. [10049]
}