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/******************************************************************
* $Id: nanohttp-admin.c,v 1.6 2006/11/25 16:35:57 m0gg Exp $
*
* CSOAP Project: A SOAP client/server library in C
* Copyright (C) 2003 Ferhat Ayaz
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*
* Email: ayaz@jprogrammer.net
******************************************************************/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#ifdef HAVE_STDIO_H
#include <stdio.h>
#endif
#ifdef HAVE_STRING_H
#include <string.h>
#endif
#ifdef HAVE_PTHREAD_H
#include <pthread.h>
#endif
#include "nanohttp-error.h"
#include "nanohttp-common.h"
#include "nanohttp-stream.h"
#include "nanohttp-request.h"
#include "nanohttp-server.h"
#include "nanohttp-admin.h"
static void
_httpd_admin_send_title(httpd_conn_t *conn, const char *title)
{
httpd_send_header(conn, 200, HTTP_STATUS_200_REASON_PHRASE);
http_output_stream_write_string(conn->out,
"<html><head><style>");
http_output_stream_write_string(conn->out,
".logo {"
" color: #005177;"
" background-color: transparent;"
" font-family: Calligraphic, arial, sans-serif;"
" font-size: 36px;"
"}");
http_output_stream_write_string(conn->out,
"</style></head><body><span class=\"logo\">nhttpd</span> ");
http_output_stream_write_string(conn->out, title);
http_output_stream_write_string(conn->out, "<hr />");
return;
}
static void
_httpd_admin_list_services(httpd_conn_t *conn)
{
char buffer[1024];
hservice_t *node;
_httpd_admin_send_title(conn, "Available services");
http_output_stream_write_string(conn->out, "<ul>");
for (node = httpd_get_services(); node; node = node->next)
{
sprintf(buffer, "<li><a href=\"%s\">%s</a> <a href=\"?" NHTTPD_ADMIN_QUERY_STATISTICS "=%s\">[Statistics]</a></li>", node->ctx, node->ctx, node->ctx);
http_output_stream_write_string(conn->out, buffer);
}
http_output_stream_write_string(conn->out, "</ul>");
http_output_stream_write_string(conn->out, "</body></html>");
return;
}
static void
_httpd_admin_list_statistics(httpd_conn_t *conn, const char *service_name)
{
char buffer[1024];
hservice_t *service;
sprintf(buffer, "Listing statistics for service <b>%s</b>", service_name);
_httpd_admin_send_title(conn, buffer);
if (!(service = httpd_find_service(service_name)))
{
http_output_stream_write_string(conn->out, "service not found!");
http_output_stream_write_string(conn->out, "</body></html>");
return;
}
pthread_rwlock_rdlock(&(service->statistics->lock));
sprintf(buffer, "<ul>"
"<li>Requests served: %lu</li>"
"<li>Bytes read: %lu</li>"
"<li>Bytes sent: %lu</li>"
"<li>Time used: %li.%li sec</li>"
"<ul>",
service->statistics->requests,
service->statistics->bytes_received,
service->statistics->bytes_transmitted,
service->statistics->time.tv_sec,
service->statistics->time.tv_usec);
pthread_rwlock_unlock(&(service->statistics->lock));
http_output_stream_write_string(conn->out, buffer);
http_output_stream_write_string(conn->out, "</body></html>");
return;
}
static void
_httpd_admin_handle_get(httpd_conn_t * conn, struct hrequest_t *req)
{
char *param;
if ((param = hpairnode_get_ignore_case(req->query, NHTTPD_ADMIN_QUERY_SERVICES)))
{
_httpd_admin_list_services(conn);
}
else if ((param = hpairnode_get_ignore_case(req->query, NHTTPD_ADMIN_QUERY_STATISTICS)))
{
_httpd_admin_list_statistics(conn, param);
}
else
{
_httpd_admin_send_title(conn, "Welcome to the admin site");
http_output_stream_write_string(conn->out, "<ul>");
http_output_stream_write_string(conn->out,
"<li><a href=\"?" NHTTPD_ADMIN_QUERY_SERVICES "\">Services</a></li>");
http_output_stream_write_string(conn->out, "</ul>");
http_output_stream_write_string(conn->out, "</body></html>");
}
return;
}
static void
_httpd_admin_entry(httpd_conn_t * conn, struct hrequest_t *req)
{
if (req->method == HTTP_REQUEST_GET)
{
_httpd_admin_handle_get(conn, req);
}
else
{
httpd_send_header(conn, 200, HTTP_STATUS_200_REASON_PHRASE);
http_output_stream_write_string(conn->out,
"<html>"
"<head>"
"</head>"
"<body>"
"<h1>Sorry!</h1>"
"<hr />"
"<div>POST Service is not implemented now. Use your browser.</div>"
"</body>"
"</html>");
}
return;
}
herror_t
httpd_admin_init_args(int argc, char **argv)
{
int i;
for (i=0; i<argc; i++) {
if (!strcmp(argv[i], NHTTPD_ARG_ENABLE_ADMIN)) {
httpd_register("/nhttp", _httpd_admin_entry);
break;
}
}
return H_OK;
}
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