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Copy pathhttpserverLT.cpp
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207 lines (181 loc) · 5.75 KB
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#include <iostream>
#include <functional>
#include "hpserver/KInetAddress.h"
#include "hpserver/KSocket.h"
#include "hpserver/KBuffer.h"
#include "thread/KThreadPool.h"
// for http
#include "http/KHttpContext.h"
#include "http/KHttpRequest.h"
#include "http/KHttpResponse.h"
#include <sys/epoll.h>
#include <string.h>
#include <vector>
#include <unistd.h>
#include <assert.h>
#include "utils/KIcon.h"
using namespace kb;
/// Http server 版本-1 using LT ///
const int timeoutMs = 5000;
void selectResponse(const HttpRequest &req, HttpResponse *resp)
{
if (req.path() == "/")
{
resp->setStatusCode(HttpResponse::k200Ok);
resp->setStatusMessage("OK");
resp->setContentType("text/html");
resp->addHeader("Server", "Muduo");
string now = Timestamp::now().toFormattedString();
resp->setBody("<html><head><title>This is title</title></head>"
"<body><h1>Hello</h1>Now is " +
now +
"</body></html>");
}
else if (req.path() == "/favicon.ico")
{
resp->setStatusCode(HttpResponse::k200Ok);
resp->setStatusMessage("OK");
resp->setContentType("image/png");
resp->setBody(string(favicon, sizeof favicon));
}
else if (req.path() == "/hello")
{
resp->setStatusCode(HttpResponse::k200Ok);
resp->setStatusMessage("OK");
resp->setContentType("text/plain");
resp->addHeader("Server", "Muduo");
resp->setBody("hello, world!\n");
}
else
{
resp->setStatusCode(HttpResponse::k404NotFound);
resp->setStatusMessage("Not Found");
resp->setCloseConnection(true);
}
}
void httpOnRequest(int epfd, int clntfd)
{
std::cout << "tid: " << std::this_thread::get_id()
<< std::endl;
// 全部委托给新的线程，注意销毁
// 处理client即可
Buffer buffer_;
int saveErrno = 0;
int str_len = buffer_.readFd(clntfd, &saveErrno);
if (str_len == 0)
{
epoll_ctl(epfd, EPOLL_CTL_DEL, clntfd, NULL);
close(clntfd);
std::cout << "close client " << clntfd << std::endl;
clntfd = -1;
return;
}
else
{
// // echo事件
// int nw = ::write(clntfd, buffer_.peek(), buffer_.readableBytes());
// if (nw > 0)
// {
// buffer_.retrieve(nw);
// }
// std::cout << "write data " << clntfd << std::endl;
// 处理http请求
HttpContext *context = new HttpContext();
Timestamp receiveTime(Timestamp::now());
if (!context->parseRequest(&buffer_, receiveTime))
{
string badReq("HTTP/1.1 400 Bad Request\r\n\r\n");
int nwrote = ::write(clntfd, badReq.data(), badReq.size());
assert(nwrote == badReq.size());
}
if (context->gotAll())
{
HttpRequest req = context->request();
const string &connection = req.getHeader("Connection");
// 判断是否是长连接
bool close = connection == "close" ||
(req.getVersion() == HttpRequest::kHttp10 && connection != "Keep-Alive");
HttpResponse response(close);
selectResponse(req, &response);
Buffer buf;
response.appendToBuffer(&buf);
string temp = buf.retrieveAsString();
int nwrote = ::write(clntfd, temp.data(), temp.size());
assert(nwrote == temp.size());
if (response.closeConnection())
{
//
}
context->reset();
}
}
}
int main()
{
// 添加线程池 来处理http请求
ThreadPool pool("Test");
pool.start(5);
int sockfd = createTcpSocket();
InetAddress localaddr(9981);
Socket server(sockfd);
server.bindAddress(localaddr);
server.listen();
// 储存客户端地址和fd
int clntfd = -1;
InetAddress peeraddr(0);
//
int epfd = epoll_create1(EPOLL_CLOEXEC);
struct epoll_event event;
memset(&event, 0, sizeof event);
// 然后设置所要关注事件的参数
event.data.fd = sockfd;
event.events = EPOLLIN;
if (::epoll_ctl(epfd, EPOLL_CTL_ADD, sockfd, &event) < 0)
{
std::cerr << "epoll_ctl error" << std::endl;
}
// 保存epoll_wait调用后的活动事件
std::vector<struct epoll_event> events(16);
for (;;)
{
int numEvents = ::epoll_wait(epfd, events.data(), events.size(), timeoutMs);
// 事件分发处理
if (numEvents > 0)
{
std::cout << numEvents << " events happended" << std::endl;
if (numEvents == events.size())
{
events.resize(events.size() * 2);
}
for (int i = 0; i < numEvents; ++i)
{
if (events[i].data.fd == sockfd)
{
clntfd = server.accept(&peeraddr);
event.data.fd = clntfd;
event.events = EPOLLIN;
if (::epoll_ctl(epfd, EPOLL_CTL_ADD, clntfd, &event) < 0)
{
std::cerr << "epoll_ctl error" << std::endl;
}
std::cout << "connect client " << clntfd << std::endl;
}
else if (events[i].data.fd >= 0)
{
std::cout << "assign task to client " << clntfd << std::endl;
httpOnRequest(epfd, events[i].data.fd);
}
}
}
else if (numEvents == 0)
{
std::cout << "nothing happened" << std::endl;
}
else
{
std::cout << "Error: epoll_wait" << std::endl;
}
}
close(epfd);
return 0;
}