br-serve.cpp
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/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
* Copyright 2014 Noblis *
* *
* Licensed under the Apache License, Version 2.0 (the "License"); *
* you may not use this file except in compliance with the License. *
* You may obtain a copy of the License at *
* *
* http://www.apache.org/licenses/LICENSE-2.0 *
* *
* Unless required by applicable law or agreed to in writing, software *
* distributed under the License is distributed on an "AS IS" BASIS, *
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. *
* See the License for the specific language governing permissions and *
* limitations under the License. *
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
#include <QtCore>
#include <QtNetwork>
#include <cstdio>
#include <cstring>
#include <string>
#include <openbr/universal_template.h>
static void help()
{
printf("br-serve [command]\n"
"===================\n"
"\n"
"_br-serve_ converts the command's stdin/stdout into a webservice.\n"
"\n"
"Optional Arguments\n"
"------------------\n"
"* -help - Print usage information.\n"
"* -port <int> - The port to communicate on (80 otherwise).");
}
static int port = 80;
class Server : public QObject
{
Q_OBJECT
QTcpServer *tcpServer;
public:
Server()
: tcpServer(new QTcpServer(this))
{
if (!tcpServer->listen(QHostAddress::Any, port)) {
qDebug() << tcpServer->errorString();
exit(EXIT_FAILURE);
return;
}
connect(tcpServer, SIGNAL(newConnection()), this, SLOT(newConnection()));
}
private slots:
void newConnection()
{
QByteArray block = "HTTP/1.0 200 Ok\r\n"
"Content-Type: text/html; charset=\"utf-8\"\r\n"
"\r\n"
"<h1>Hello World!</h1>\n";
QTcpSocket *clientConnection = tcpServer->nextPendingConnection();
connect(clientConnection, SIGNAL(disconnected()),
clientConnection, SLOT(deleteLater()));
clientConnection->write(block);
clientConnection->disconnectFromHost();
}
};
int main(int argc, char *argv[])
{
QCoreApplication application(argc, argv);
for (int i=1; i<argc; i++) {
if (!strcmp(argv[i], "-help")) { help(); exit(EXIT_SUCCESS); }
else if (!strcmp(argv[i], "-port")) { port = atoi(argv[++i]); }
}
Server server;
return application.exec();
}
#include "br-serve.moc"