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clientthread.cpp
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clientthread.cpp
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#include "clientthread.h"
#include "mythread.h"
#include "mainwindow.h"
#include <QTextCodec>
// 发送404 file_not_found报头
int ClientThread::file_not_found(SOCKET sAccept)
{
char send_buf[MIN_BUF];
// time_t timep;
// time(&timep);
sprintf(send_buf, "HTTP/1.1 404 NOT FOUND\r\n");
send(sAccept, send_buf, strlen(send_buf), 0);
// sprintf(send_buf, "Date: %s\r\n", ctime(&timep));
// send(sAccept, send_buf, strlen(send_buf), 0);
sprintf(send_buf, "Connection: keep-alive\r\n");
send(sAccept, send_buf, strlen(send_buf), 0);
sprintf(send_buf, SERVER);
send(sAccept, send_buf, strlen(send_buf), 0);
sprintf(send_buf, "Content-Type: text/html\r\n");
send(sAccept, send_buf, strlen(send_buf), 0);
sprintf(send_buf, "\r\n");
send(sAccept, send_buf, strlen(send_buf), 0);
return 0;
}
// 发送200 ok报头
int ClientThread::file_ok(SOCKET sAccept, long flen, QString file_type)
{
char buffer[MIN_BUF];
// time_t timep;
// time(&timep);
memset(buffer, 0, sizeof(buffer));
sprintf(buffer, "HTTP/1.1 200 OK\r\n");
send(sAccept, buffer, strlen(buffer), 0);
sprintf(buffer, "Connection: keep-alive\r\n");
send(sAccept, buffer, strlen(buffer), 0);
sprintf(buffer, "Accept-Range:bytes\r\n");
send(sAccept, buffer, strlen(buffer), 0);
// sprintf(buffer, "Date: %s\r\n", ctime(&timep));
// send(sAccept, buffer, strlen(buffer), 0);
sprintf(buffer, SERVER);
send(sAccept, buffer, strlen(buffer), 0);
sprintf(buffer, "Content-Length: %ld\r\n", flen);
send(sAccept, buffer, strlen(buffer), 0);
//sprintf(buffer, "Content-Type:image/jpeg\r\n");
sprintf(buffer, qstr2char(file_type));
send(sAccept, buffer, strlen(buffer), 0);
sprintf(buffer, "\r\n");
send(sAccept, buffer, strlen(buffer), 0);
return 0;
}
// 发送自定义的file_not_found页面
int ClientThread::send_not_found(SOCKET sAccept)
{
char send_buf[MIN_BUF];
sprintf(send_buf, "<HTML><TITLE>Not Found</TITLE>\r\n");
send(sAccept, send_buf, strlen(send_buf), 0);
sprintf(send_buf, "<BODY><h1 align='center'>404</h1><br/><h1 align='center'>file not found.</h1>\r\n");
send(sAccept, send_buf, strlen(send_buf), 0);
sprintf(send_buf, "</BODY></HTML>\r\n");
send(sAccept, send_buf, strlen(send_buf), 0);
return 0;
}
// 发送请求的资源
int ClientThread::send_file(SOCKET sAccept, FILE *file)
{
char buffer[BUF_LENGTH];
while (!feof(file))
{
memset(buffer, 0, sizeof(buffer)); //缓存清0
int len = fread(buffer, sizeof(char), sizeof(buffer), file);
if (len > 0) {
if (SOCKET_ERROR == send(sAccept, buffer, len, 0)) {
myprint("send() Failed:" + QString::number(WSAGetLastError(), 10)+ "\n" );
return USER_ERROR;
}
}
}
return 0;
}
// 发送自定义的unplemented页面
int ClientThread::send_unplemented(SOCKET sAccept)
{
char buf[1024];
/* HTTP method 不被支持*/
sprintf(buf, "HTTP/1.0 501 Method Not Implemented\r\n");
send(sAccept, buf, strlen(buf), 0);
/*服务器信息*/
sprintf(buf, SERVER);
send(sAccept, buf, strlen(buf), 0);
sprintf(buf, "Content-Type: text/html\r\n");
send(sAccept, buf, strlen(buf), 0);
sprintf(buf, "\r\n");
send(sAccept, buf, strlen(buf), 0);
sprintf(buf, "<HTML><HEAD><TITLE>Method Not Implemented\r\n");
send(sAccept, buf, strlen(buf), 0);
sprintf(buf, "</TITLE></HEAD>\r\n");
send(sAccept, buf, strlen(buf), 0);
sprintf(buf, "<BODY><P>HTTP request method not supported.\r\n");
send(sAccept, buf, strlen(buf), 0);
sprintf(buf, "</BODY></HTML>\r\n");
send(sAccept, buf, strlen(buf), 0);
return 0;
}
void ClientThread::run()
{
qDebug() << "ClientThread run: ";
qDebug() << "this: " << this->thread();
qDebug() << "current: " << currentThread();
myprint("client thread start running\n");
char recv_buf[BUF_LENGTH];
char method[MIN_BUF];
char url[MIN_BUF];
QString file_path;
memset(recv_buf,0,sizeof(recv_buf));
memset(method,0,sizeof(method));
memset(url,0,sizeof(url));
//memset(file_path,0,sizeof(file_path));
if (recv(sAccept,recv_buf,sizeof(recv_buf),0) == SOCKET_ERROR) //接收错误
{
myprint("recv() Failed:" + QString::number(WSAGetLastError(), 10) + "\n");
return ;
}
else
{
myprint("recv data from client: \n" + QString(recv_buf) + "\n"); //接收成功，打印请求报文
}
//char * str = (char *)"HTTP/1.0 200 OK\nDate: Thu, 06 Aug 1998 12:00:15 GMT \nServer: Apache/1.3.0 (Unix) \nLast-Modified: Mon, 22 Jun 1998\nContent-Length: 50\nContent-Type: text/html\n\n\r\n fuck you!";
//send(sAccept, str, strlen(str), 0);
if(!strcmp(recv_buf,""))
return ;
//获得method
int i, j;
i = 0; j = 0;
while (!ISspace(recv_buf[j]) && (i < sizeof(method) - 1))
{
method[i] = recv_buf[j];
i++; j++;
}
method[i] = '\0';
if (stricmp(method, "GET") && stricmp(method, "HEAD"))
{
send_unplemented(sAccept);
closesocket(sAccept); //结束通信
myprint("HTTP/1.0 501 Method Not Implemented\r\n\n");
return ;
}
myprint("method: " + QString(method) + "\n");
//获得url地址
i = 0;
while ((recv_buf[j] == ' ') && (j < sizeof(recv_buf))) {
j++;
}
while (!(recv_buf[j] == ' ') && (i < sizeof(recv_buf) - 1) && (j < sizeof(recv_buf))) {
if (recv_buf[j] == '/') {
url[i] = '\\';
}
else if (recv_buf[j] == ' ') {
break;
}
else {
url[i] = recv_buf[j];
}
i++;
j++;
}
url[i] = '\0';
if (strcmp(url, "\\") == 1 && url[i - 1] == '\\') {
url[i - 1] = '\0';
}
// 将请求的url路径转换为本地路径
file_path = this->path;
if(file_path.at(file_path.length()-1) == QChar('\\'))
file_path = file_path.left(file_path.length() - 1);
file_path += QString(url);
myprint("path: " + file_path + "\n");
myprint("url: " + QString(url) + "\n");
if(!strcmp(url,"\\")) //index
{
qDebug() << "want index";
//if(file_path[file_path.length() - 1] == '/') //目录
if(create_index_html(file_path) == -1)
{
file_not_found(sAccept);
// 如果method是GET，则发送404页面
if(0 == stricmp(method, "GET"))
{
send_not_found(sAccept);
myprint("send_not_found");
}
closesocket(sAccept); //结束通信
myprint("file not found.\nclose socket.\n");
return ;
}
else
{
file_path += QString("index.html");
web_file_func(file_path,sAccept,QString(method), 1);
}
}
else
{
QFileInfo fi(file_path);
qDebug() << "file_path: " << file_path;
qDebug() << "fi.exists: " << fi.exists();
qDebug() << "fi.isfile: " << fi.isFile();
qDebug() << "fi.isdir: " << fi.isDir();
if(!fi.exists())
{
qDebug() << "file not exists";
file_not_found(sAccept);
// 如果method是GET，则发送404页面
if(0 == stricmp(method, "GET"))
{
send_not_found(sAccept);
myprint("send_not_found");
}
closesocket(sAccept); //结束通信
myprint("file not found.\nclose socket.\n");
return ;
}
else if(fi.isFile()) //文件
{
qDebug() << "file found!";
web_file_func(file_path,sAccept,QString(method), 0);
}
else //文件夹
{
qDebug() << "folder found";
if(create_folder_html(file_path) == -1)
{
file_not_found(sAccept);
// 如果method是GET，则发送404页面
if(0 == stricmp(method, "GET"))
{
send_not_found(sAccept);
myprint("send_not_found");
}
closesocket(sAccept); //结束通信
myprint("file not found.\nclose socket.\n");
return ;
}
else
{
file_path += QString("\\folder.html");
web_file_func(file_path,sAccept,QString(method),1);
}
}
}
closesocket(sAccept);
return;
}
int ClientThread::create_index_html(QString file_path)
{
QDir dir(file_path);
QString temp = file_path + QString("index.html");
FILE *index_html;
index_html = fopen(qstr2char(temp), "wb+ ");
fprintf(index_html, "<!DOCTYPE HTML><html><head><meta http-equiv=\"Content - Type\" content=\"text / html; charset = utf-8\"><script>function cka(o){o.getElementsByTagName\a\")[0].click();}</script></head><body><style> tr{background-color:#ffffff;line-height:1.5}body{background-color:#CCFFCC;}a{TEXT-DECORATION:none}tbody tr:hover a{color:white; } tbody tr:hover td {background-color:#66CCCC;color:white} .thd tr {background-color:#339999;height:24px;border-bottom:1px solid #99CC99;line-height:1}tr{ background-color: expression((this.sectionRowIndex % 2 == 0) ? \"#fff\" : \"#e5ffe5\" ); } tr{ background: #fff;}tr:nth-child(2n){ background: #e5ffe5; } </STYLE>");
fprintf(index_html, "<h3>/</h3>");
fprintf(index_html, "<table style='width:101.5%;border-collapse: collapse;border-bottom:1px solid #888888;border-right:1px solid #cccccc' id='mtb'><thead Class='thd'><tr ><td > File_name/Name</td></tr></thead><tfoot Class='thd'><tr><td colspan='3'><div style='float:RIGHT;margin-right:10px'>MyWebServer/(By hust_iquit) </div></td></tr></tfoot>");
foreach(QFileInfo mfi ,dir.entryInfoList())
{
//QString filename_temp = QString::fromUtf8(qstr2char(mfi.fileName()));
fprintf(index_html, "<tr ondblclick=cka(this)><td ><a href='%s' >%s</a></td><td id=\"tright\"></td></tr>", qstr2char(QString(mfi.fileName())), qstr2char(mfi.fileName()));
qDebug() << "中文测试1" << mfi.fileName();
qDebug() << "中文测试2" << qstr2char(QString(mfi.fileName()));
}
fprintf(index_html, "</tbody></table></body></html>");
fclose(index_html);
return 0;
}
int ClientThread::create_folder_html(QString file_path)
{
QDir dir(file_path);
QString temp = file_path + QString("\\folder.html");
FILE *index_html;
index_html = fopen(qstr2char(temp), "wb+ ");
QString str_href,str_href_fi;
int index = file_path.indexOf(path_initial) + path_initial.length();
str_href = file_path.right(file_path.length() - index - 1);
qDebug() << "create_folder_html index: " << index;
qDebug() << "create_folder_html str_href: " << str_href;
QString folder_name;
int last_slash_index = file_path.lastIndexOf(QChar('\\'));
folder_name = file_path.right(file_path.length() - last_slash_index - 1);
fprintf(index_html, "<!DOCTYPE HTML><html><head><meta http-equiv=\"Content - Type\" content=\"text / html; charset = utf-8\"><script>function cka(o){o.getElementsByTagName\a\")[0].click();}</script></head><body><style> tr{background-color:#ffffff;line-height:1.5}body{background-color:#CCFFCC;}a{TEXT-DECORATION:none}tbody tr:hover a{color:white; } tbody tr:hover td {background-color:#66CCCC;color:white} .thd tr {background-color:#339999;height:24px;border-bottom:1px solid #99CC99;line-height:1}tr{ background-color: expression((this.sectionRowIndex % 2 == 0) ? \"#fff\" : \"#e5ffe5\" ); } tr{ background: #fff;}tr:nth-child(2n){ background: #e5ffe5; } </STYLE>");
fprintf(index_html, "<h3>/%s</h3>",qstr2char(folder_name));
fprintf(index_html, "<table style='width:101.5%;border-collapse: collapse;border-bottom:1px solid #888888;border-right:1px solid #cccccc' id='mtb'><thead Class='thd'><tr ><td > File_name/Name</td></tr></thead><tfoot Class='thd'><tr><td colspan='3'><div style='float:RIGHT;margin-right:10px'>MyWebServer/(By hust_iquit) </div></td></tr></tfoot>");
foreach(QFileInfo mfi ,dir.entryInfoList())
{
str_href_fi = str_href + "/" + mfi.fileName();
fprintf(index_html, "<tr ondblclick=cka(this)><td ><a href='\\%s' >%s</a></td><td id=\"tright\"></td></tr>",qstr2char(str_href_fi), qstr2char(mfi.fileName()));
qDebug() << "中文测试3" << str_href_fi;
qDebug() << "中文测试4" << qstr2char(str_href_fi);
}
fprintf(index_html, "</tbody></table></body></html>");
fclose(index_html);
return 0;
}
int ClientThread::web_file_func(QString file_path, SOCKET sAccept, QString method, int type_flag) //type: 0--unknow, 1--txt(web)
{
FILE *file_resource = fopen(qstr2char(file_path),"rb ");
if(file_resource == NULL)
{
qDebug() << "file_path: " << file_path << "open file fail!";
return -1;
}
else
qDebug() << "open file success!";
fseek(file_resource,0,SEEK_SET);
fseek(file_resource,0,SEEK_END);
int flen=ftell(file_resource);
myprint("file length: " + QString::number(flen, 10) + "\n" );
fseek(file_resource,0,SEEK_SET);
if(type_flag==1)
file_ok(sAccept, flen,"Content-Type: text/html\r\n");
else
file_ok(sAccept, flen,get_filetype_message(file_path));
// 如果是GET方法则发送请求的资源
if(method == "GET")
{
if(0 == send_file(sAccept, file_resource))
myprint("file send ok.\n");
else
{
myprint("file send fail.\n");
return -1;
}
}
fclose(file_resource);
return 0;
}
QString ClientThread::get_filetype_message(QString file_path)
{
QString file_type;
char utemp[100],file_message[100];
memset(utemp,0,sizeof(utemp));
memset(file_message,0,sizeof(file_message));
int last_dot_index = file_path.lastIndexOf(QChar('.'));
file_type = file_path.right(file_path.length() - last_dot_index - 1);
// qDebug() << "file_type: " << file_type;
// qDebug() << "last_dot_index: " << last_dot_index;
// qDebug() << "file_path.length: " << file_path.length();
strcpy(utemp,qstr2char(file_type));
if (strcmp(utemp, "html") == 0)
strcpy(file_message, "Content-Type: text/html\r\n");
else if (strcmp(utemp, "doc") == 0)
strcpy(file_message, "Content-Type: application/msword\r\n");
else if (strcmp(utemp, "gif") == 0)
strcpy(file_message, "Content-Type: image/gif\r\n");
else if (strcmp(utemp, "img") == 0)
strcpy(file_message, "Content-Type: application/x-img\r\n");
else if (strcmp(utemp, "java") == 0)
strcpy(file_message, "Content-Type: java/*\r\n");
else if (strcmp(utemp, "jpe") == 0)
strcpy(file_message, "Content-Type: image/jpeg\r\n");
else if (strcmp(utemp, "jpeg") == 0)
strcpy(file_message, "Content-Type: image/jpeg\r\n");
else if (strcmp(utemp, "jsp") == 0)
strcpy(file_message, "Content-Type: text/html\r\n");
else if (strcmp(utemp, "m2v") == 0)
strcpy(file_message, "Content-Type: video/x-mpeg\r\n");
else if (strcmp(utemp, "m4e") == 0)
strcpy(file_message, "Content-Type: video/mpeg4\r\n");
else if (strcmp(utemp, "mtx") == 0)
strcpy(file_message, "Content-Type: text/xml\r\n");
else if (strcmp(utemp, "image/pnetvue") == 0)
strcpy(file_message, "Content-Type: image/pnetvue\r\n");
else if (strcmp(utemp, "pdf") == 0)
strcpy(file_message, "Content-Type: application/pdf\r\n");
else if (strcmp(utemp, "pdx") == 0)
strcpy(file_message, "Content-Type: application/vnd.adobe.pdx\r\n");
else if (strcmp(utemp, "plg") == 0)
strcpy(file_message, "Content-Type: text/html\r\n");
else if (strcmp(utemp, "png") == 0)
strcpy(file_message, "Content-Type: application/x-png\r\n");
else if (strcmp(utemp, "ppa") == 0)
strcpy(file_message, "Content-Type: application/vnd.ms-powerpoint\r\n");
else if (strcmp(utemp, "pps") == 0)
strcpy(file_message, "Content-Type: application/vnd.ms-powerpoint\r\n");
else if (strcmp(utemp, "ppt") == 0)
strcpy(file_message, "Content-Type: application/x-ppt\r\n");
else if (strcmp(utemp, "rdf") == 0)
strcpy(file_message, "Content-Type: text/xml\r\n");
else if (strcmp(utemp, "tif") == 0)
strcpy(file_message, "Content-Type: image/tiff\r\n");
else if (strcmp(utemp, "avi") == 0)
strcpy(file_message, "Content-Type: video/avi\r\n");
else if (strcmp(utemp, "css") == 0)
strcpy(file_message, "Content-Type: text/css\r\n");
else if (strcmp(utemp, "dll") == 0)
strcpy(file_message, "Content-Type: application/x-msdownload\r\n");
else if (strcmp(utemp, "htm") == 0)
strcpy(file_message, "Content-Type: text/html\r\n");
else if (strcmp(utemp, "jpe") == 0)
strcpy(file_message, "Content-Type: application/x-jpe\r\n");
else if (strcmp(utemp, "jpg") == 0)
strcpy(file_message, "Content-Type: image/jpeg\r\n");
else if (strcmp(utemp, "js") == 0)
strcpy(file_message, "Content-Type: application/x-javascript\r\n");
else if (strcmp(utemp, "movie") == 0)
strcpy(file_message, "Content-Type: video/x-sgi-movie\r\n");
else if (strcmp(utemp, "mp3") == 0)
strcpy(file_message, "Content-Type: audio/mp3\r\n");
else if (strcmp(utemp, "rmvb") == 0)
strcpy(file_message, "Content-Type: application/vnd.rn-realmedia-vbr\r\n");
else if (strcmp(utemp, "torrent") == 0)
strcpy(file_message, "Content-Type: application/x-bittorrent\r\n");
else if (strcmp(utemp, "txt") == 0)
strcpy(file_message, "Content-Type: text/plain\r\n");
else if (strcmp(utemp, "svg") == 0)
strcpy(file_message, "Content-Type: text/xml\r\n");
else if (strcmp(utemp, "swf") == 0)
strcpy(file_message, "Content-Type: application/x-shockwave-flash\r\n");
else strcpy(file_message, "Content-Type: application/octet-stream\r\n");
return QString(file_message);
}
const char * ClientThread::qstr2char(QString qstr)
{
const char * ch = (char *)malloc(qstr.length()+2);
QByteArray ba = qstr.toLocal8Bit();
ch = ba.data();
return ch;
}