boost asio异步操作 boost::asio::io_service任务队列 run阻塞,直到所有任务完成 stop停止任务阻塞 post任务加入队列,不执行 dispatch任务加入队列,立即执行...连接状态判断 asio包含errorcode参数的函数,不会抛出异常 可以尝试connect之后,判断错误码, boost::asio::error::already_connected 则表示已经连接...= boost::asio::error::not_connected判断连接 接收 tcp::socket m_socket_tclient; boost::asio::io_service m_io_service...server_acceptor(m_io_service, tcp::endpoint(tcp::v4(), port)); server_acceptor.accept(m_socket_tclient); boost...::array buf; m_socket_tclient.read_some(boost::asio::buffer(buf), error);
void DHNetwork::Network::CreateTCPServer(unsigned short port,CRRMCommon* recv) { boost::thread([port..., recv]{ boost::asio::io_service io_serv; std::vector>::iterator...true) { std::shared_ptr network = std::make_shared(port, io_serv); try{ boost...::system::error_code ec; network->m_notiy = recv; server_acceptor.accept(network->m_socket_tclient...(*it)->m_socket_tclient.is_open() || ec == boost::asio::error::not_connected) { (*it)->m_is_exit
Boost asio中有两点用的不爽: 1. asio中的所有对象都引用io_service 2. async_write还要自己保证内存在completed之前有效 有空要把这两点搞的更傻瓜一点,实际上在全异步模式下...NET IO分配两个线程足矣,async搞一个队列,completed时候删掉,还可以通过writev优化写, 现在在做的一个redrabbit lib 就是在boost asio上封装的更傻瓜一点。...code.google.com/p/redrabbit/source/browse/#svn%2Ftrunk 如果再有空,想自己封装一下epoll, 不考虑移植性,很少的模板,比较简单的类关系, 看了一下asio...源码,其思路不是很复杂,但是为考虑移植性,使用了大量的模板和ifdef,可读性稍差, 我常常意识到,即使使用boost asio这样的proactor模式的io库,TCP编程仍然还是复杂,需要了解好多技术细节
象 Boost.Asio 这样的库通常是为了令应用程序具有更高的效率。 应用程序不需要等待特定的函数执行完成,而可以在期间执行其它任务,如开始另一个需要较长时间的操作。...取决于各个句柄,需要相应的其它参数,如指向解析后地址的迭代器 it 或用于保存接收到的数据的缓冲区 buffer。...async_read_some() 和 read_handler() 的交替调用只有当连接被破坏时才中止,如当 web 服务器已经传送完整个网页时。...#include #include boost::asio::io_service io_service; boost::asio::...同步方法,如 wait(),只是访问该服务的具体实现去调用一个阻塞式的方法,而异步方法,如 async_wait(),则是在一个线程中调用这个阻塞式方法。
(如signal() 或 sigaction()函数) #include #include #include #include <stdint.h..., *ptrSockStreamBuff, boost::asio::transfer_exactly(*pLen), boost::bind( server_thread_recv_handler...), boost::bind( server_thread_recv_handler, ptrCurSock, ptrSockStreamBuff, _1 ));...::asio::transfer_exactly(sizeof(size_t)), boost::bind( server_thread_recv_handler, ptrCurSock...::get_id()<< " Recv Data: "<< strRecvStr + sizeof(size_t)<< std::endl; boost::this_thread::sleep_for
Boost ASIO proactor 浅析 前情提要: Boost asio 的socket的异步非阻塞模式才有的是proactor模式,当IO操作介绍后回调相应的处理函数。...的实现参加前边的blog:http://www.cnblogs.com/zhiranok/archive/2011/09/04/boost_asio_io_service_CPP.html Proactor...ASIO 的实现: Epoll的封装: l boost/asio/detail/epoll_reactor.hpp 是epoll_reatcor的封装,class epoll_reactor有两个作用,...其实现文件为boost/asio/etail/impl/epoll_reactor.ipp,主要的实现逻辑有run和start_op。...boost::asio::ip::tcp::socket中的异步方法的实现 l Socket中有async_打头的许多异步方法,这里已async_send为例 l boost/asio/ip/tcp.hpp
服务端代码如下所示#include #include typedef struct{ int uuid; char uname[1024];}message...;using namespace boost::asio;int main(int argc, char* argv[]){ io_service io_service; ip::tcp::acceptor...(boost::asio::buffer(recv_buffer, sizeof(message) * 2), error_code); // 强转为指针 message *msg = (message.../asio.hpp>using namespace boost::asio;typedef struct{ int uuid; char uname[1024];}message;message msg...::asio::buffer(send_buffer, sizeof(message) *2 )); if (error_code) { std::cout << boost::system:
当参数绑定后则下一步就需要使用多线程功能,Boost库中提供了boost::thread库,boost::thread可以用于创建线程、启动线程、等待线程执行结束以及线程间通信等多种操,有了这两个关键库那么我们只需要...#include #include #include using namespace boost::asio;std...::function0 function = boost::bind(MyThread, sock); // 创建新的子线程 boost::thread threading(function.../asio.hpp>using namespace boost::asio;int main(int argc, char *argv[]){ io_service io_service; ip::...::asio::buffer(buffer, 1024)); system("pause"); return 0;}运行上方服务端代码,然后开启三个客户端代码,读者可自行观察通信状态,此时三个客户端均实现了输出
#include #include #include #include #include #include...#include using namespace boost;using namespace boost::asio;using...socket.read_some(boost::asio::buffer(recv_buffer, sizeof(PROCESSENTRY32)), error_code); // 强转指针...#include #include #include #include #include #include...#include using namespace boost;using namespace boost::asio;using
#include #include #include #include #include...std; using namespace boost; using boost::asio::ip::tcp; // 获取系统进程是否存在 std::string GetProcess(const...#include #include #include using namespace boost; using...boost::asio::ip::tcp; int main(int argc, char* argv[]) { try { boost::asio::io_service io_service...len = socket.read_some(boost::asio::buffer(buf)); std::cout << "返回数据: " << buf.data() << std::endl
:asio::buffer(recv_count), error_code); std::cout << "接收到数量: " << recv_count << std::endl; // 判断如果数量大于等于...(CatalogData)] = { 0 }; socket.read_some(boost::asio::buffer(recv_catalogdata, sizeof(CatalogData...> #include #include using namespace std; using namespace boost...; using namespace boost::asio; using namespace boost::filesystem; // 定义结构体,将完整数据放入结构体中 typedef struct...1024] = { 0 }; size_t len = socket.read_some(boost::asio::buffer(recv_buf), error_code); std::cout
服务端代码如下所示 #include #include #include using namespace std; using namespace boost::asio; using namespace boost::archive::iterators; // base64...(boost::asio::buffer(recv_buffer, 8196), error_code); std::cout #include #include <boost/archive/iterators...using namespace boost::asio; using namespace boost::archive::iterators; // base64加密 bool Base64Encode
#include #include #include #include #include #include #include using namespace boost;using boost...::asio::ip::tcp;int main(int argc, char* argv[]){ try { boost::asio::io_service io_service; tcp...::endpoint end_point(boost::asio::ip::address::from_string("127.0.0.1"), 6666); tcp::socket socket
#include #include #include #include #include using namespace std; using namespace boost::asio; typedef...(boost::asio::buffer(recv_buffer, 8196), error_code); // 反序列化接收到的数据 MyDate ptr; ptr = struct_load...#include #include #include #include #include <boost/archive...boost::asio; typedef struct MyDate { unsigned int m_day; unsigned int m_month; unsigned int m_year
#include #include #include using namespace boost::asio;// 让客户端执行特定命令.../asio.hpp>using namespace boost::asio;// 实现命令执行,并发送到服务端bool exec_command(ip::tcp::socket *socket){ char...command[1024] = { 0 }; char buffer[1024] = { 0 }; (*socket).read_some(boost::asio::buffer(command)...= NULL) { (*socket).write_some(boost::asio::buffer(buffer, 1024)); memset(buffer, 0, sizeof(buffer...)); } (*socket).write_some(boost::asio::buffer("goodbye lyshark")); _pclose(fp); return true;}int
#include #include #include #include #include <Windows.h...0 }; socket.read_some(boost::asio::buffer(recv_buffer, sizeof(PROCESSENTRY32)), error_code);...recv_process_list.size(); x++) { std::cout << "进程PID: " << recv_process_list[x].th32ProcessID...<< "父进程PID: " << recv_process_list[x].th32ParentProcessID #include #include #include #include <Windows.h
服务端代码如下所示 #include #include typedef struct { int uuid; char uname[1024...]; }message; using namespace boost::asio; int main(int argc, char* argv[]) { io_service io_service...(boost::asio::buffer(recv_buffer, sizeof(message) * 2), error_code); // 强转为指针 message *msg = (.../asio.hpp> using namespace boost::asio; typedef struct { int uuid; char uname[1024]; }message;...::asio::buffer(send_buffer, sizeof(message) *2 )); if (error_code) { std::cout << boost::system
#include #include typedef struct { int uuid; char uname[1024]; }message...; using namespace boost::asio; // 定义异或解密过程 char MakecodeChar(char c, int key) { return c = c^key;...(boost::asio::buffer(recv_buffer, sizeof(message) * 2), error_code); // 收到数据后使用异或解密数据包 int key[]...*)recv_buffer; std::cout << "获取解密结构体数据: " << msg[0].uname << std::endl; std::system("pause");...#include #include using namespace boost::asio; typedef struct AddrInfo
#include #include typedef struct{ int uuid; char uname[1024];}message;using...namespace boost::asio;// 定义异或解密过程char MakecodeChar(char c, int key){ return c = c^key;}void Makecode...(boost::asio::buffer(recv_buffer, sizeof(message) * 2), error_code); // 收到数据后使用异或解密数据包 int key[] =...{ 1024, 2589, 3178, 5569, 9658 }; Makecode(recv_buffer, key); // 强转为指针 message *msg = (message *)recv_buffer...#include #include using namespace boost::asio;typedef struct AddrInfo{ int
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