asio interface

Recently, the code of the new face detection algorithm always prompts WinSock. h has already been included. Someone has provided a solution and reprinted it to remember it. When you start to use the boost: asio library, the following error occurs during compilation: Fatal error C1189: # error: WinSock. h has already been pinned DED Check the boost code that throws this error. It was originally defined as _ WINSOCKAPI _, but not _ WINSOCK2API _ Whe

The following is an example code of serial_port synchronous reading/writing to a serial port device: #include If you want to control the read/write timeout, the write method must be asynchronous. In addition, the scheduled code is added: boost::asio::deadline_timer timer(io);timer.expires_from_now(boost::posix_time::millisec(60000));timer.async_wait(boost::bind(boost::asio::serial_port::cancel, sp));

local socket). The network stack uses this state to knowWhich process to give each incoming packet to and what State to put in the header of each outgoing packet. The so-called connection is only a virtual pipeline consisting of some States saved by each endpoint of the connection. Through these statuses, the network stack knows to pass the incoming data packet to that process, and to put the status to the packet header of the sent data packet. Because of the underlying-inherently connectionle

HTTP Server Based on boost: ASIO----Blog, http://blog.csdn.net/shunqiziranhao007/article/details/8737629Date, January 1, March 29, 2013----This is an example of the boost ASIO Library (I modified some code to achieve the following effect), and implemented HTTP request packets and HTTP response packets of http1.0. Very interesting. ----HTTP----For details, see "Computer Network-top-down v4cn" p61.For more in

C + + Boost::asio programming-domain name resolution In the network communication, we usually do not use the IP address directly, but use the domain name. At this time we need to use the Reslover class to get the IP through the domain name, it can realizeURL resolution that is independent of the IP version. #include "stdafx.h" #include "boost/asio.hpp" #include "boost/shared_ptr.hpp" #include "boost/thread.hpp" #include l t;boost/lexical_cast.h

Code Network Collection modifies a small problem with a compilationClientClient.cpp: Defines the entry point of the console application. #include "stdafx.h" #include Service sideServer.cpp: Defines the entry point of the console application. #include "stdafx.h" #include 　　ASIO broadcast code example

After a day of simple learning, try to write a simple server, you can achieve the following three callback functions: OnConnect onMessage OnCloseThe code is posted directly below1.BaseServer Abstract classBaseServer.h/*name:baseserveruse:the basest Serverauthor:hezijian ([emailprotected]) */#ifdef _msc_ver#define _WIN32_WINNT 0x0501#endif#ifndef _base_server_h_#define _base_server_h_#include BaseServer.cpp#include "BaseServer.h" #include Description, Baseserver is an abstract class that must be

Before getting familiar with ASIO, familiarize yourself with the BSD socket C/S model. Client: #include "stdio.h"#include "stdlib.h"#include "netinet/in.h"#include "sys/socket.h"#include "sys/types.h"#include "sys/wait.h"#include "arpa/inet.h"int _clientsock;struct sockaddr_in c_addr;int main(){ _clientsock = socket(AF_INET,SOCK_STREAM,0); c_addr.sin_family=AF_INET; c_addr.sin_port=htons(6001); c_addr.sin_addr.s_addr=inet_

size2) (println "receive string succeeded, STR:" str-buffer) (quit-for-error) (exit) (dotimes (I 2000) (spawn 'ri (send-Test) (until (Sync 1000) (Exit) Note: 1. If you are interested in using newlistp for TCP communication, you can refer to my another article: http://blog.csdn.net/sheismylife/article/details/8521748 2. dotimes is a loop. The value range of I is [0, 2000) (Left closed and right open). A process is continuously created and each process runs the send-test function. Now let's take

Boost. asio Study Notes 1. Installation of the boost library in linux, boost. asioboost You are welcome to reprint it. Please enter the original address for reprinting.: Http://blog.csdn.net/majianfei1023/article/details/46761029 The first step to learn about open-source libraries is to compile and install the libraries, and then run a demo to complete subsequent work. The following describes how to install the boost library in linux. [Mjf @ localho

I have known myself for several recent exchanges in the industry. Network servers have been developed in windows for a long time, with a load of 1 K-2 k-4 K from a single PC, and the network performance is also gradually improved. However, most of the friends around me are developed in Linux, and I am very eye-catching. The first difference is the OS environment of the server, and the logic processing of MMORPG. In fact, a single OS is different, but it cannot be measured to compare the qual

The use of mingw to learn boost is a trigger. If you want to avoid detours, you should use the compilers that come with windows. Open-source Dongdong is really hard to see and trouble on Microsoft's platform. Let's talk about the compiling environment: win7 64-bit flagship edition, mingw 4.4, and boost 1.53. All the libraries are generated as static libraries (. a) The source file is the first example in the boost ASIO document. The file name is chan

I have studied ASIO for a long time. It's good! I don't want to talk much about the good words, but I think the author has made the Code a lot easier for cross-platform purposes, but this is also a last resort. This analysis only takes into account the implementation on the Windows platform. I will parse the entire design idea and key code for implementation, and then judge its advantages and disadvantages. I will remove what I think can be removed to

Comparable interfaceClasses that implement the comparable interface, which can be compared to size.There is only one method in the comparable interfacepublic int CompareTo (object obj);This method: Returns 0 indicating this = = objReturns a positive number indicating this > objReturns a negative number indicating this > objClasses that implement the comparable interface determine how objects are sorted by t

One: Functional interface1. The concept of a functional interface is that this interface must have only one abstract method, which can be displayed by @functionalinterface (similar to @override), but an interface with no such annotations but only one abstract method is also a functional interface ; (Interfaces also hav

The base class baseoutput explicitly inherits an interface ioutput, and the class trackoutput inherits baseoutput, and also inherits the ioutput interface. Assume that ioutput has a method output, so there are two output methods in trackoutput, one source is the base class baseoutput and the other source is the interface ioutput. This leads to confusion. What sho

List interface, Set interface, Map interface, list interface setmap1. The List and Set interfaces inherit from the Collection interface, while Map is not the inherited Collection interface. Map does not inherit the Collection

The base class Baseoutput explicitly inherits an interface Ioutput, after which the class Trackoutput inherits Baseoutput, and the Ioutput interface is inherited at the same time. Suppose Ioutput has a method output, so there are two output methods in Trackoutput, one from the base class Baseoutput, and one originating from the interface ioutput. This has led to

(i) Collection framework:　　The Java language designer has made some specifications (interfaces) and implementations (classes that implement interfaces) for commonly used data structures and algorithms. All abstract data structures and operations (algorithms) are collectively referred to as the collection framework.Programmers in the application, do not have to consider the data structure and algorithm implementation details, only need to create some objects with these classes, and then directly

code returned by the serverint statuscode = Response.getstatusline (). Getstatuscode ();7. Get the return entity of the serverhttpentity entity = response.getentity ();8. Convert the entity returned by the server into a string (request response result)String responsemsg = entityutils.tostring (entity);System.out.println ("interface:" + data.get ("Msgtype") + ": Returns the status code with the response result:" + statuscode + ":" + responsemsg);}}Tes