PSG
/
civetweb
mirror of https://github.com/civetweb/civetweb.git


			
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							/* Copyright (c) 2013-2014 the Civetweb developers
 * Copyright (c) 2013 No Face Press, LLC
 * License http://opensource.org/licenses/mit-license.php MIT License
 */

// Simple example program on how to use Embedded C++ interface.

#include "CivetServer.h"

#ifdef _WIN32
#include <Windows.h>
#else
#include <unistd.h>
#endif

#define DOCUMENT_ROOT "."
#define PORT "8081"
#define EXAMPLE_URI "/example"
#define EXIT_URI "/exit"
bool exitNow = false;

class ExampleHandler: public CivetHandler
{
public:
    bool handleGet(CivetServer *server, struct mg_connection *conn) {
        mg_printf(conn, "HTTP/1.1 200 OK\r\nContent-Type: text/html\r\n\r\n");
        mg_printf(conn, "<html><body>\r\n");
        mg_printf(conn, "<h2>This is an example text from a C++ handler</h2>\r\n");
        mg_printf(conn, "<p>To see a page from the A handler <a href=\"a\">click here</a></p>\r\n");
        mg_printf(conn, "<p>To see a page from the A handler with a parameter <a href=\"a?param=1\">click here</a></p>\r\n");
        mg_printf(conn, "<p>To see a page from the A/B handler <a href=\"a/b\">click here</a></p>\r\n");
        mg_printf(conn, "<p>To see a page from the *.foo handler <a href=\"xy.foo\">click here</a></p>\r\n");
        mg_printf(conn, "<p>To exit <a href=\"%s\">click here</a></p>\r\n", EXIT_URI);
        mg_printf(conn, "</body></html>\r\n");
        return true;
    }
};

class ExitHandler: public CivetHandler
{
public:
    bool handleGet(CivetServer *server, struct mg_connection *conn) {
        mg_printf(conn, "HTTP/1.1 200 OK\r\nContent-Type: text/plain\r\n\r\n");
        mg_printf(conn, "Bye!\n");
        exitNow = true;
        return true;
    }
};

class AHandler: public CivetHandler
{
private:
    bool handleAll(const char * method, CivetServer *server, struct mg_connection *conn) {
        std::string s = "";
        mg_printf(conn, "HTTP/1.1 200 OK\r\nContent-Type: text/html\r\n\r\n");
        mg_printf(conn, "<html><body>");
        mg_printf(conn, "<h2>This is the A handler for \"%s\" !</h2>", method);
        if (CivetServer::getParam(conn, "param", s)) {
            mg_printf(conn, "<p>param set to %s</p>", s.c_str());
        } else {
            mg_printf(conn, "<p>param not set</p>");
        }
        mg_printf(conn, "</body></html>\n");
        return true;
    }
public:
    bool handleGet(CivetServer *server, struct mg_connection *conn) {
        return handleAll("GET", server, conn);
    }
    bool handlePost(CivetServer *server, struct mg_connection *conn) {
        return handleAll("POST", server, conn);
    }
};

class ABHandler: public CivetHandler
{
public:
    bool handleGet(CivetServer *server, struct mg_connection *conn) {
        mg_printf(conn, "HTTP/1.1 200 OK\r\nContent-Type: text/html\r\n\r\n");
        mg_printf(conn, "<html><body>");
        mg_printf(conn, "<h2>This is the AB handler!!!</h2>");
        mg_printf(conn, "</body></html>\n");
        return true;
    }
};

class FooHandler: public CivetHandler
{
public:
    bool handleGet(CivetServer *server, struct mg_connection *conn) {
        /* Handler may access the request info using mg_get_request_info */
        const struct mg_request_info * req_info = mg_get_request_info(conn);

        mg_printf(conn, "HTTP/1.1 200 OK\r\nContent-Type: text/html\r\n\r\n");
        mg_printf(conn, "<html><body>");
        mg_printf(conn, "<h2>This is the Foo handler!!!</h2>");
        mg_printf(conn, "<p>The request was:<br><pre>%s %s HTTP/%s</pre></p>",
                  req_info->request_method, req_info->uri, req_info->http_version);
        mg_printf(conn, "</body></html>\n");
        return true;
    }
};


int main(int argc, char *argv[])
{

    const char * options[] = { "document_root", DOCUMENT_ROOT,
                               "listening_ports", PORT, 0
                             };

    CivetServer server(options);

    ExampleHandler h_ex;
    server.addHandler(EXAMPLE_URI, h_ex);

    ExitHandler h_exit;
    server.addHandler(EXIT_URI, h_exit);

    AHandler h_a;
    server.addHandler("/a", h_a);

    ABHandler h_ab;
    server.addHandler("/a/b", h_ab);

    FooHandler h_foo;
    server.addHandler("**.foo$", h_foo);

    printf("Browse files at http://localhost:%s/\n", PORT);
    printf("Run example at http://localhost:%s%s\n", PORT, EXAMPLE_URI);
    printf("Exit at http://localhost:%s%s\n", PORT, EXIT_URI);

    while (!exitNow) {
#ifdef _WIN32
        Sleep(1000);
#else
        sleep(1);
#endif
    }

    printf("Bye!\n");

    return 0;
}