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Copy pathKHttpServer.cpp
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159 lines (146 loc) · 4.91 KB
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#include "KHttpServer.h"
#include "../utils/KCallbacks.h"
#include "KHttpContext.h"
#include "KHttpRequest.h"
#include "KHttpResponse.h"
#include "KIcons.h"
#include <fcntl.h>
#include <iostream>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/stat.h>
#include <sys/types.h>
extern char favicon[555];
using namespace kback;
void defaultHttpCallback(const HttpRequest &req, HttpResponse *resp) {
// 根据请求内容设置相应报文
if (req.path() == "/file") {
resp->setStatusCode(HttpResponse::k200Ok);
resp->setStatusMessage("OK");
resp->setContentType("text/html");
resp->addHeader("Server", "Webserver");
// 处理body留到之后的部分来处理
} else if (req.path() == "/good") {
resp->setStatusCode(HttpResponse::k200Ok);
resp->setStatusMessage("OK");
resp->setContentType("text/plain");
resp->addHeader("Server", "Webserver");
// 增大数据量，体现ringbuffer性能
string AAA(950, '!');
AAA += "\n";
resp->setBody(AAA);
} else if (req.path() == "/hello") {
resp->setStatusCode(HttpResponse::k200Ok);
resp->setStatusMessage("OK");
resp->setContentType("text/plain");
resp->addHeader("Server", "Webserver");
resp->setBody("hello, world!\n");
} else if (req.path() == "/") {
resp->setStatusCode(HttpResponse::k200Ok);
resp->setStatusMessage("OK");
resp->setContentType("text/html");
resp->addHeader("Server", "Webserver");
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 {
resp->setStatusCode(HttpResponse::k404NotFound);
resp->setStatusMessage("Not Found");
resp->setCloseConnection(true);
}
}
HttpServer::HttpServer(EventLoop *loop, const InetAddress &listenAddr,
const string &name)
: server_(loop, listenAddr, name), httpCallback_(defaultHttpCallback) {
server_.setConnectionCallback(std::bind(&HttpServer::onConnection, this, _1));
server_.setMessageCallback(
std::bind(&HttpServer::onMessage, this, _1, _2, _3));
}
void HttpServer::start() {
#ifdef USE_STD_COUT
std::cout << "LOG_WARN: "
<< "HttpServer[" << server_.name() << "] starts listenning on "
<< server_.ipPort() << std::endl;
#endif
// 启动TcpServer, 开始监听端口
server_.start();
}
void HttpServer::onConnection(const TcpConnectionPtr &conn) {
if (conn->connected()) {
conn->setContext(HttpContext());
}
}
// 设置为TcpConnection的messageCallback_
void HttpServer::onMessage(const TcpConnectionPtr &conn, Buffer *buf,
Timestamp receiveTime) {
HttpContext *context =
boost::any_cast<HttpContext>(conn->getMutableContext());
if (!context->parseRequest(buf, receiveTime)) {
conn->send("HTTP/1.1 400 Bad Request\r\n\r\n");
conn->shutdown();
}
if (context->gotAll()) {
onRequest(conn, context->request());
context->reset();
}
}
void HttpServer::onRequest(const TcpConnectionPtr &conn,
const HttpRequest &req) {
const string &connection = req.getHeader("Connection");
bool close_connection =
connection == "close" ||
(req.getVersion() == HttpRequest::kHttp10 && connection != "Keep-Alive");
HttpResponse response(close_connection);
httpCallback_(req, &response);
if (req.path() == "/file") {
// read file len
size_t filesize = -1;
struct stat statbuff;
if (stat("./index.html", &statbuff) < 0) {
// Error 404
response.setStatusCode(HttpResponse::k404NotFound);
response.setStatusMessage("Not Found");
response.setCloseConnection(true);
Buffer buf;
response.appendToBuffer(&buf);
string temp = buf.retrieveAsString();
conn->send(temp);
} else {
filesize = statbuff.st_size;
assert(filesize > 0);
int srcFd = open("./index.html", O_RDONLY | O_NONBLOCK, 0);
if (srcFd <= 0) {
assert(srcFd > 0);
}
response.setFileSize(filesize);
response.setSrcFd(srcFd);
response.setStatusCode(HttpResponse::k200Ok);
response.setStatusMessage("OK");
response.setContentType("text/html");
response.addHeader("Server", "Webserver");
Buffer buf;
response.appendToBuffer(&buf);
string temp = buf.retrieveAsString();
// conn->send(temp);
conn->sendAllOneTimeInLoop(temp);
conn->hpSendFile(srcFd, filesize);
close(srcFd);
}
} else {
Buffer buf;
response.appendToBuffer(&buf);
// conn->send(&buf);
string temp = buf.retrieveAsString();
conn->send(temp);
}
if (response.closeConnection()) {
conn->shutdown();
}
}