ecor's Introduction

ECor

This is a EPoll Framework with Coroutine

Getting start

###Echosvr###

#include <cstdio>

#include <cstdlib>

#include <arpa/inet.h>
#include <sys/epoll.h>

#include "CoroutineManager.h"
#include "EPollServer.h"
#include "TCPSocket.h"
#include "TCPServerSocket.h"
#include "InetAddress.h"

#define CHECKRS(RS, EXPECT, NAME, ERR, RET) if((RS) != (EXPECT)){ perror(NAME); return (RET); }

bool echoServer(ECor::TCPSocket* socket)
{
    unsigned int size = 0;
    {
        char s[5];
        //socket->read(s, 4) return the number of bytes received, or -1 if an error occurred
        //if retuan val is not equals you expect(in this case is 4), it must be some error had occured
        //(eg:connection closed or timeout)
        //Just return and close the coroutine
        CHECKRS(socket->read(s, 4), 4, "read", socket->error(), false);
        s[4] = '\0';
        size = strtoul(s, NULL, 0);
    }
    char* str = new char[size + 1];
    CHECKRS(socket->read(str, size), size, "read", socket->error(), false);
    str[size] = '\0';
    printf("recv: %s\n", str);
    socket->write(str, size);
    return true;
}

int main(int argc, char** argv)
{
    ECor::TCPServerSocket serverSocket;
    ECor::InetAddress addr(0, htons(10248));
    //Bind serverSocket to 0.0.0.0:10248
    CHECKRS(serverSocket.bind(addr), true, "bind", serverSocket.error(), 1);
    //Create a CoroutineManager with 4 worker coroutine which has 1024bytes stack
    ECor::CoroutineManager cManager(4, 1024);
    ECor::EPollServer eServer(&cManager);
    //Client socket will be closed if it do nothing in 5s
    eServer.setTTFBTimeout(5000);
    //Client socket will be closed if processing time consuming more than 2s
    eServer.setRequestTimeout(2000);
    //start the server;
    eServer.start(serverSocket, EPOLLIN, 10, echoServer);
    perror("");
    return 0;
}

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