2009-02-28 17:15:59 +01:00
|
|
|
/* -*-mode: C; fill-column: 78; c-basic-offset: 4; -*- */
|
|
|
|
|
|
|
|
|
|
/*
|
|
|
|
|
* Copyright 2009 by Eric House (xwords@eehouse.org). All rights reserved.
|
|
|
|
|
*
|
|
|
|
|
* This program is free software; you can redistribute it and/or
|
|
|
|
|
* modify it under the terms of the GNU General Public License
|
|
|
|
|
* as published by the Free Software Foundation; either version 2
|
|
|
|
|
* of the License, or (at your option) any later version.
|
|
|
|
|
*
|
|
|
|
|
* This program 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 General Public License for more details.
|
|
|
|
|
*
|
|
|
|
|
* You should have received a copy of the GNU General Public License
|
|
|
|
|
* along with this program; if not, write to the Free Software
|
|
|
|
|
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
|
|
|
|
|
*/
|
|
|
|
|
|
|
|
|
|
#ifdef DO_HTTP
|
|
|
|
|
|
|
|
|
|
#include <stdio.h>
|
|
|
|
|
#include <unistd.h>
|
|
|
|
|
#include <netdb.h> /* gethostbyname */
|
|
|
|
|
#include <errno.h>
|
|
|
|
|
#include <sys/types.h>
|
|
|
|
|
#include <sys/socket.h>
|
|
|
|
|
#include <unistd.h>
|
|
|
|
|
#include <fcntl.h>
|
|
|
|
|
#include <netinet/in.h>
|
|
|
|
|
#include <arpa/inet.h>
|
|
|
|
|
#include <stdlib.h>
|
|
|
|
|
#include <string.h>
|
|
|
|
|
#include <iostream>
|
|
|
|
|
#include <sstream>
|
|
|
|
|
#include <pthread.h>
|
|
|
|
|
#include <assert.h>
|
|
|
|
|
#include <sys/select.h>
|
|
|
|
|
#include <stdarg.h>
|
|
|
|
|
#include <sys/time.h>
|
|
|
|
|
|
|
|
|
|
#include "ctrl.h"
|
|
|
|
|
#include "cref.h"
|
|
|
|
|
#include "crefmgr.h"
|
|
|
|
|
#include "mlock.h"
|
|
|
|
|
#include "xwrelay_priv.h"
|
|
|
|
|
#include "configs.h"
|
|
|
|
|
#include "lstnrmgr.h"
|
2009-08-21 14:32:57 +02:00
|
|
|
#include "http.h"
|
2009-02-28 17:15:59 +01:00
|
|
|
|
|
|
|
|
/*
|
|
|
|
|
* http://www.jbox.dk/sanos/webserver.htm has code for a trivial web server. Good example.
|
|
|
|
|
*/
|
|
|
|
|
|
|
|
|
|
static void
|
|
|
|
|
send_header( FILE* fil, const char* title )
|
|
|
|
|
{
|
|
|
|
|
fprintf( fil, "HTTP/1.0 %d %s\r\n", 200, title );
|
|
|
|
|
fprintf( fil, "Server: xwrelay\r\n" );
|
|
|
|
|
fprintf( fil, "Content-Type: text/html\r\n" );
|
|
|
|
|
fprintf( fil, "Connection: close\r\n");
|
|
|
|
|
|
|
|
|
|
fprintf( fil, "\r\n");
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
static void
|
|
|
|
|
send_meta( FILE* fil )
|
|
|
|
|
{
|
|
|
|
|
FILE* css;
|
2009-03-02 06:29:06 +01:00
|
|
|
RelayConfigs* cfg = RelayConfigs::GetConfigs();
|
2009-07-30 14:49:21 +02:00
|
|
|
char pathbuf[256] = { '\0' };
|
2009-03-02 06:29:06 +01:00
|
|
|
|
2009-02-28 17:15:59 +01:00
|
|
|
fprintf( fil, "<head>" );
|
2009-03-02 06:29:06 +01:00
|
|
|
|
|
|
|
|
if ( !!cfg ) {
|
|
|
|
|
int refreshSecs;
|
|
|
|
|
if ( cfg->GetValueFor( "WWW_REFRESH_SECS", &refreshSecs ) ) {
|
|
|
|
|
fprintf( fil, "<meta http-equiv=\"refresh\" content=\"%d\" />",
|
|
|
|
|
refreshSecs );
|
|
|
|
|
}
|
2009-07-30 14:49:21 +02:00
|
|
|
|
|
|
|
|
(void)cfg->GetValueFor( "WWW_CSS_PATH", pathbuf, sizeof(pathbuf) );
|
2009-03-02 06:29:06 +01:00
|
|
|
}
|
2009-02-28 17:15:59 +01:00
|
|
|
|
2009-07-30 14:49:21 +02:00
|
|
|
if ( pathbuf[0] ) {
|
|
|
|
|
css = fopen( pathbuf, "r" );
|
|
|
|
|
if ( NULL != css ) {
|
|
|
|
|
for ( ; ; ) {
|
|
|
|
|
char buf[256];
|
|
|
|
|
size_t nread = fread( buf, 1, sizeof(buf), css );
|
|
|
|
|
if ( nread <= 0 ) {
|
|
|
|
|
break;
|
|
|
|
|
}
|
|
|
|
|
(void) fwrite( buf, 1, nread, fil );
|
2009-02-28 17:15:59 +01:00
|
|
|
}
|
2009-07-30 14:49:21 +02:00
|
|
|
fclose( css );
|
2009-02-28 17:15:59 +01:00
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
fprintf( fil, "</head>" );
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
static void
|
|
|
|
|
printTail( FILE* fil )
|
|
|
|
|
{
|
|
|
|
|
char buf[128];
|
|
|
|
|
|
|
|
|
|
/* print version and uptime */
|
|
|
|
|
fprintf( fil, "<div class=\"header\">Relay version</div>" );
|
|
|
|
|
format_rev( buf, sizeof(buf) );
|
|
|
|
|
fprintf( fil, "<p>%s</p>", buf );
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
static void
|
2009-08-30 17:16:06 +02:00
|
|
|
printCrefs( FILE* fil, const CrefMgrInfo* info, bool isLocal )
|
2009-02-28 17:15:59 +01:00
|
|
|
{
|
|
|
|
|
fprintf( fil, "<div class=\"header\">Connections</div>" );
|
|
|
|
|
fprintf( fil, "<table><tr>" );
|
|
|
|
|
fprintf( fil,
|
2009-09-17 05:42:12 +02:00
|
|
|
"<th>Room</th>"
|
2009-02-28 17:15:59 +01:00
|
|
|
"<th>ConnName</th>"
|
2009-09-17 05:42:12 +02:00
|
|
|
"<th>ID</th>"
|
|
|
|
|
"<th>Bytes</th>"
|
|
|
|
|
"<th>Expect</th>"
|
|
|
|
|
"<th>Here</th>"
|
2009-02-28 17:15:59 +01:00
|
|
|
"<th>State</th>"
|
2009-09-18 05:50:01 +02:00
|
|
|
"<th>For</th>"
|
2009-02-28 20:35:32 +01:00
|
|
|
"<th>Host IDs</th>"
|
2009-02-28 17:15:59 +01:00
|
|
|
);
|
2009-08-30 17:16:06 +02:00
|
|
|
if ( isLocal ) {
|
|
|
|
|
fprintf( fil, "<th>Host IPs</th>" );
|
|
|
|
|
}
|
2009-02-28 17:15:59 +01:00
|
|
|
fprintf( fil, "</tr>\n" );
|
|
|
|
|
|
2009-07-28 07:41:15 +02:00
|
|
|
time_t curTime = uptime();
|
2009-08-21 14:32:57 +02:00
|
|
|
unsigned int ii;
|
|
|
|
|
for ( ii = 0; ii < info->m_crefInfo.size(); ++ii ) {
|
|
|
|
|
const CrefInfo* crefInfo = &info->m_crefInfo[ii];
|
|
|
|
|
|
2009-09-18 05:50:01 +02:00
|
|
|
char conntime[32];
|
|
|
|
|
format_uptime( curTime - crefInfo->m_startTime, conntime,
|
|
|
|
|
sizeof(conntime) );
|
|
|
|
|
|
2009-08-21 14:32:57 +02:00
|
|
|
fprintf( fil, "<tr>"
|
|
|
|
|
"<td>%s</td>" /* name */
|
|
|
|
|
"<td>%s</td>" /* conn name */
|
|
|
|
|
"<td>%d</td>" /* cookie id */
|
|
|
|
|
"<td>%d</td>" /* total sent */
|
|
|
|
|
"<td>%d</td>" /* players */
|
|
|
|
|
"<td>%d</td>" /* players here */
|
|
|
|
|
"<td>%s</td>" /* State */
|
2009-09-18 05:50:01 +02:00
|
|
|
"<td>%s</td>" /* conntime */
|
2009-08-21 14:32:57 +02:00
|
|
|
"<td>%s</td>" /* Hosts */
|
2009-08-30 17:16:06 +02:00
|
|
|
,
|
2009-08-21 14:32:57 +02:00
|
|
|
crefInfo->m_cookie.c_str(),
|
|
|
|
|
crefInfo->m_connName.c_str(),
|
|
|
|
|
crefInfo->m_cookieID,
|
|
|
|
|
crefInfo->m_totalSent,
|
|
|
|
|
crefInfo->m_nPlayersSought, crefInfo->m_nPlayersHere,
|
|
|
|
|
stateString( crefInfo->m_curState ),
|
2009-09-18 05:50:01 +02:00
|
|
|
conntime,
|
2009-08-30 17:16:06 +02:00
|
|
|
crefInfo->m_hostsIds.c_str()
|
2009-08-21 14:32:57 +02:00
|
|
|
);
|
2009-08-30 17:16:06 +02:00
|
|
|
|
|
|
|
|
if ( isLocal ) {
|
|
|
|
|
fprintf( fil, "<td>%s</td>", /* Ip addrs */
|
|
|
|
|
crefInfo->m_hostIps.c_str() );
|
|
|
|
|
}
|
|
|
|
|
fprintf( fil, "</tr>\n" );
|
2009-02-28 17:15:59 +01:00
|
|
|
}
|
|
|
|
|
fprintf( fil, "</table>\n" );
|
2009-08-21 14:32:57 +02:00
|
|
|
} /* printCrefs */
|
2009-02-28 17:15:59 +01:00
|
|
|
|
2009-07-06 03:50:51 +02:00
|
|
|
static void
|
2009-08-30 17:16:06 +02:00
|
|
|
printStats( FILE* fil, const CrefMgrInfo* info, bool isLocal )
|
2009-07-06 03:50:51 +02:00
|
|
|
{
|
2009-07-31 14:56:04 +02:00
|
|
|
char uptime1[64];
|
|
|
|
|
char uptime2[64];
|
|
|
|
|
format_uptime( uptime(), uptime1, sizeof(uptime1) );
|
2009-09-18 05:50:01 +02:00
|
|
|
format_uptime( time(NULL) - info->m_startTimeSpawn, uptime2,
|
|
|
|
|
sizeof(uptime2) );
|
2009-07-13 05:01:22 +02:00
|
|
|
fprintf( fil, "<div class=\"header\">Stats</div>" );
|
|
|
|
|
fprintf( fil, "<table>" );
|
2009-07-31 14:56:04 +02:00
|
|
|
fprintf( fil, "<tr>"
|
|
|
|
|
"<th>Uptime</th><th>Spawns</th><th>Spawn Utime</th>"
|
|
|
|
|
"<th>Games played</th><th>Games in play</th></tr>" );
|
|
|
|
|
fprintf( fil, "<tr><td>%s</td><td>%d</td>"
|
|
|
|
|
"<td>%s</td><td>%d</td><td>%d</td></tr>\n",
|
2009-08-21 14:32:57 +02:00
|
|
|
uptime1, GetNSpawns(), uptime2, info->m_nCrefsAll,
|
|
|
|
|
info->m_nCrefsCurrent );
|
2009-07-13 05:01:22 +02:00
|
|
|
fprintf( fil, "</table>" );
|
2009-07-06 03:50:51 +02:00
|
|
|
}
|
|
|
|
|
|
2009-02-28 17:15:59 +01:00
|
|
|
static void*
|
|
|
|
|
http_thread_main( void* arg )
|
|
|
|
|
{
|
2009-08-21 14:32:57 +02:00
|
|
|
HttpState* state = (HttpState*)arg;
|
|
|
|
|
|
|
|
|
|
sockaddr newaddr;
|
|
|
|
|
socklen_t siz = sizeof(newaddr);
|
|
|
|
|
int sock = accept( state->ctrl_sock, &newaddr, &siz );
|
|
|
|
|
|
2009-02-28 17:15:59 +01:00
|
|
|
char buf[512];
|
|
|
|
|
ssize_t totalRead = 0;
|
|
|
|
|
|
|
|
|
|
while ( totalRead <= 4 ) { /* have we read enough for GET? */
|
|
|
|
|
ssize_t nread = read( sock, buf+totalRead, sizeof(buf)-1-totalRead );
|
|
|
|
|
if ( nread == 0 ) {
|
|
|
|
|
break;
|
|
|
|
|
} else if ( nread > 0 ) {
|
|
|
|
|
buf[nread] = '\0';
|
|
|
|
|
}
|
|
|
|
|
totalRead += nread;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
if ( 0 == strncasecmp( "GET ", buf, 3 ) ) {
|
2009-08-30 17:16:06 +02:00
|
|
|
struct sockaddr_in name;
|
|
|
|
|
socklen_t namelen = sizeof(name);
|
|
|
|
|
|
|
|
|
|
bool isLocal = 0 == getpeername( sock, (struct sockaddr*)&name, &namelen );
|
|
|
|
|
if ( isLocal ) {
|
|
|
|
|
in_addr_t s_addr = name.sin_addr.s_addr;
|
|
|
|
|
isLocal = 0x7f000001 == htonl(s_addr);
|
|
|
|
|
logf( XW_LOGINFO, "name: %x", htonl(s_addr) );
|
|
|
|
|
}
|
|
|
|
|
|
2009-08-21 14:32:57 +02:00
|
|
|
MutexLock ml(&state->m_dataMutex);
|
|
|
|
|
|
|
|
|
|
/* We'll handle as many http connections as folks want to throw at us,
|
|
|
|
|
but will only fetch from the crefmgr infrequently, caching the data
|
|
|
|
|
for next time. Only one thread at a time gets to read from it,
|
|
|
|
|
ensuring we don't nuke it from under somebody. */
|
|
|
|
|
time_t curTime = time( NULL );
|
|
|
|
|
|
|
|
|
|
if ( state->m_nextFetch < curTime ) {
|
|
|
|
|
delete state->m_crefInfo;
|
|
|
|
|
state->m_crefInfo = NULL;
|
|
|
|
|
}
|
|
|
|
|
if ( state->m_crefInfo == NULL ) {
|
|
|
|
|
state->m_crefInfo = new CrefMgrInfo();
|
|
|
|
|
CRefMgr::Get()->GetStats( *state->m_crefInfo );
|
|
|
|
|
state->m_nextFetch = curTime + state->m_sampleInterval;
|
|
|
|
|
}
|
|
|
|
|
const CrefMgrInfo* info = state->m_crefInfo;
|
|
|
|
|
|
2009-02-28 17:15:59 +01:00
|
|
|
FILE* fil = fdopen( sock, "r+" );
|
|
|
|
|
fseek( fil, 0, SEEK_CUR ); // reverse stream
|
|
|
|
|
|
|
|
|
|
send_header( fil, "status page" );
|
|
|
|
|
fprintf( fil, "<html>" );
|
|
|
|
|
send_meta( fil );
|
|
|
|
|
fprintf( fil, "<body><div class=\"main\">" );
|
|
|
|
|
|
2009-08-30 17:16:06 +02:00
|
|
|
printStats( fil, info, isLocal );
|
2009-08-21 14:32:57 +02:00
|
|
|
|
2009-08-30 17:16:06 +02:00
|
|
|
printCrefs( fil, info, isLocal );
|
2009-02-28 17:15:59 +01:00
|
|
|
|
|
|
|
|
printTail( fil );
|
|
|
|
|
|
|
|
|
|
fprintf( fil, "</div></body></html>" );
|
|
|
|
|
|
|
|
|
|
fclose( fil );
|
|
|
|
|
} else {
|
|
|
|
|
logf( XW_LOGINFO, "NOT a GET" );
|
|
|
|
|
}
|
|
|
|
|
close( sock );
|
|
|
|
|
|
|
|
|
|
return NULL;
|
|
|
|
|
} /* http_thread_main */
|
|
|
|
|
|
|
|
|
|
void
|
2009-08-21 14:32:57 +02:00
|
|
|
run_http_thread( HttpState* state )
|
2009-02-28 17:15:59 +01:00
|
|
|
{
|
|
|
|
|
pthread_t thread;
|
|
|
|
|
int result = pthread_create( &thread, NULL,
|
2009-08-21 14:32:57 +02:00
|
|
|
http_thread_main, (void*)state );
|
2009-02-28 17:15:59 +01:00
|
|
|
if ( 0 == result ) {
|
|
|
|
|
pthread_detach( thread );
|
|
|
|
|
} else {
|
|
|
|
|
logf( XW_LOGERROR, "%s: pthread_create failed", __func__ );
|
|
|
|
|
}
|
|
|
|
|
} /* run_http_thread */
|
|
|
|
|
|
|
|
|
|
#endif /* DO_HTTP */
|
