1 作用说明

客户端: 连续发送n个字符串消息 ("client_msg_n"),
服务端: 处理客户端消息, 返回对应的字符串信息("client_msg_n<<handled")

2 代码

2.1 客户端client

main.cpp

#include <iostream>
#include <boost/asio.hpp>using namespace std;//client
int main(int argc, char **argv) {try{cout << "client start...." << endl;//io_service对象boost::asio::io_service ios;//创建socket对象boost::asio::ip::tcp::socket sock(ios);//创建连接端boost::asio::ip::tcp::endpoint ep(boost::asio::ip::address::from_string("127.0.0.1"),6688);//连接sock.connect(ep);//定义一个缓冲区//char data[128];char msgToServer[256];char msgFromServer[256];for(int i = 0; i<3; i++){std::memset(msgToServer, 0x00, sizeof(msgToServer));std::memset(msgFromServer, 0x00, sizeof(msgFromServer));string tmp = "client_msg_" + to_string(i);strcpy(msgToServer, tmp.c_str());cout << "msgToServer: " << msgToServer <<endl;boost::asio::write(sock,boost::asio::buffer(msgToServer));// writing server dealing with the message...boost::asio::read(sock,boost::asio::buffer(msgFromServer));cout << "dataHandled: " << msgFromServer << endl; sleep(1);}}catch (exception& e){cout << e.what()<< endl;}std::cout << "Hello, world!" << std::endl;return 0;
}

CMakeLists.txt

cmake_minimum_required(VERSION 2.6)
project(socket_test)SET(CMAKE_CXX_FLAGS ${CMAKE_CXX_FLAGS} "-std=c++11")
find_package( Boost REQUIRED  system)if(NOT Boost_FOUND)message("Not found Boost")
endif()include_directories(${Boost_INCLUDE_DIRS})add_executable(socket_test main.cpp)target_link_libraries(socket_test ${Boost_LIBRARIES})target_link_libraries(${PROJECT_NAME}
-pthread
)install(TARGETS socket_test RUNTIME DESTINATION bin)

2.2 服务端server

main.cpp

#include <iostream>
#include <boost/asio.hpp>using namespace std;int main(int argc, char **argv) {try{cout << "server start..." << endl;//io_service对象boost::asio::io_service ios;//绑定端口6688boost::asio::ip::tcp::acceptor acceptor(ios,boost::asio::ip::tcp::endpoint(boost::asio::ip::tcp::v4(),6688));cout << acceptor.local_endpoint().address() << endl;char msgFromClient[256];char msgToClient[256];//socket对象boost::asio::ip::tcp::socket sock(ios);//阻塞等待socket连接acceptor.accept(sock); while (1){  //sock.receive(boost::asio::buffer(msgFromClient));boost::asio::read(sock,boost::asio::buffer(msgFromClient));cout << "client:" << sock.remote_endpoint().address()<< "; msgFromClient: " << msgFromClient << endl; //handle the message form clientstring tmp = string(msgFromClient) + "<< handled";strcpy(msgToClient, tmp.c_str());//sock.write_some(boost::asio::buffer(msgToClient));boost::asio::write(sock,boost::asio::buffer(msgToClient));cout << "msgToClient: " << msgToClient << endl; }}catch (exception& e){cout << "exception: " << e.what() << endl;}std::cout << "Hello, world! server" << std::endl;return 0;
}

CMakeLists.txt

cmake_minimum_required(VERSION 3.0)project(socket_server)SET(CMAKE_CXX_FLAGS ${CMAKE_CXX_FLAGS} "-std=c++11")
find_package( Boost REQUIRED system)if(NOT Boost_FOUND)message("Not found Boost")
endif()include_directories(${Boost_INCLUDE_DIRS})add_executable(socket_server main.cpp)
target_link_libraries(socket_server ${Boost_LIBRARIES})target_link_libraries(${PROJECT_NAME}
-pthread
)install(TARGETS socket_server RUNTIME DESTINATION bin)

3 结果

client

client start....
msgToServer: client_msg_0
dataHandled: client_msg_0<< handled
msgToServer: client_msg_1
dataHandled: client_msg_1<< handled
msgToServer: client_msg_2
dataHandled: client_msg_2<< handled
Hello, world!
*** Finished ***

server

server start...
0.0.0.0
client:127.0.0.1; msgFromClient: client_msg_0
msgToClient: client_msg_0<< handled
client:127.0.0.1; msgFromClient: client_msg_1
msgToClient: client_msg_1<< handled
client:127.0.0.1; msgFromClient: client_msg_2
msgToClient: client_msg_2<< handled
exception: read: End of file
Hello, world! server
*** Finished ***

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boost::asio c++ 网络编程socket通信一个简单例子

1 作用说明

2 代码

2.1 客户端client

main.cpp

CMakeLists.txt

2.2 服务端server

main.cpp

CMakeLists.txt

3 结果

client

server

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