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 Topic: Stopping Apache with commandline |
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tdonovan
Moderator
Joined: 17 Dec 2005
Posts: 611
Location: Milford, MA, USA
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 Posted: Tue 15 Aug '06 18:58 Post subject: Stopping Apache with commandline |
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If you have a C compiler, you can set the shutdown or restart Windows Events from a command-line program.
Here's some (rather quick & dirty) MS Visual C++ v6 source for such a program:
| Code: | /* httpd_shutdown.c
* Shut down a running Apache 2 server on Windows
* Compile (VC6): CL httpd_shutdown.c Advapi32.lib
*/
#include <windows.h>
#include <stdio.h>
static HANDLE shutdown_event = NULL; /* used to signal Apache 2 to shutdown */
static HANDLE restart_event = NULL; /* used to signal Apache 2 to restart */
main(int argc, char **argv)
{ char *signal_shutdown_name = (char *) calloc(128,1);
BOOL result = 0;
char *pidfilename = (char *) calloc(256,1);
char *pidbuff = (char *) calloc(11,1);
FILE *pidfile = NULL;
char *action_name[] = {"shutdown","restart"};
int action = 0;
if (argc < 2)
{ printf("Usage:\n httpd_shutdown Apache_rootdir [restart]\n");
return 2;
}
if (argc > 2 && _stricmp(argv[2],"restart") == 0) action=1; // restart instead of shutdown
sprintf(pidfilename, "%s\\logs\\httpd.pid", argv[1]); // find the PID file and open it
pidfile = fopen(pidfilename,"r");
if (pidfile == NULL)
{ fprintf( stderr, "Error opening \"%s\"\n\t%s\n", pidfilename, _strerror(NULL) );
return 1;
}
fread( pidbuff, sizeof( char ), 10, pidfile );
sprintf(signal_shutdown_name, "ap%d_%s", atoi(pidbuff), action_name[action] ); // like "ap1234_shutdown"
printf("setting apache PID %d shutdown event: %s\n", atoi(pidbuff), signal_shutdown_name);
shutdown_event = OpenEvent(EVENT_MODIFY_STATE, FALSE, signal_shutdown_name); // get the (existing) event
if (shutdown_event == NULL)
{ fprintf( stderr, "Could not acquire event named \"%s\"\n\t%s\n", signal_shutdown_name, _strerror(NULL) );
return 1;
}
result = SetEvent(shutdown_event); // set the event
if (!result)
{ fprintf( stderr, "Acquired but could not set event named \"%s\"\n\t%s\n",
signal_shutdown_name, _strerror(NULL) );
return 1;
}
return result;
}
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It takes your Apache 2 root directory as a single argument, for example:
C:\> httpd_shutdown.exe "C:\Program Files\Apache Group\Apache22"
It works OK for me on Windows 2000 with Apache/2.2.2. |
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James Blond
Moderator
Joined: 19 Jan 2006
Posts: 7373
Location: Germany, Next to Hamburg
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| Posted: Wed 16 Aug '06 15:01 Post subject: |
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i have compiled it with MinGW32 gcc C/C++/Java/Fortran Compiler 2.0.0.3
Thanks it runs great! Now I can restart my server from the internet with PHP! |
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James Blond
Moderator
Joined: 19 Jan 2006
Posts: 7373
Location: Germany, Next to Hamburg
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| Posted: Thu 17 Aug '06 19:40 Post subject: |
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Hm, under Windows 2003 server it shuts Apache always down.  It doesn't restart. Under XP there is a Problem since SP 2.
That is realy tricky, because I use the same config file and the same binary on the 3 different PC's.
from the error log
| Code: |
Parent: Received restart signal -- Restarting the server.
[Thu Aug 17 19:42:45 2006] [notice] Child 3568: Exit event signaled. Child process is ending.
[Thu Aug 17 19:42:46 2006] [notice] Child 3568: Released the start mutex
[Thu Aug 17 19:42:47 2006] [notice] Child 3568: Waiting for 250 worker threads to exit.
[Thu Aug 17 19:42:47 2006] [notice] Child 3568: All worker threads have exited.
[Thu Aug 17 19:42:47 2006] [notice] Child 3568: Child process is exiting
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So it tries to restart, but it don't! |
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tdonovan
Moderator
Joined: 17 Dec 2005
Posts: 611
Location: Milford, MA, USA
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| Posted: Sun 20 Aug '06 16:40 Post subject: |
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I don't get that!?! Apache is apparently getting the restart signal OK. That's all this program really does - just sets the restart signal.
I don't have windows 2003, but I tried it with Apache 2.2.3 on Windows XP-SP2 and I didn't have a problem with restart:
| Quote: | [Sun Aug 20 10:14:17 2006] [notice] Parent: Received restart signal -- Restarting the server.
[Sun Aug 20 10:14:17 2006] [notice] Child 3772: Exit event signaled. Child process is ending.
[Sun Aug 20 10:14:18 2006] [notice] Child 3772: Released the start mutex
[Sun Aug 20 10:14:18 2006] [notice] Digest: generating secret for digest authentication ...
[Sun Aug 20 10:14:18 2006] [notice] Digest: done
[Sun Aug 20 10:14:18 2006] [notice] Apache/2.2.3 (Win32) mod_ssl/2.2.3 OpenSSL/0.9.8b configured -- resuming normal operations
[Sun Aug 20 10:14:18 2006] [notice] Server built: Aug 17 2006 11:48:50
[Sun Aug 20 10:14:18 2006] [notice] Parent: Created child process 3740
[Sun Aug 20 10:14:19 2006] [notice] Digest: generating secret for digest authentication ...
[Sun Aug 20 10:14:19 2006] [notice] Digest: done
[Sun Aug 20 10:14:19 2006] [notice] Child 3740: Child process is running
[Sun Aug 20 10:14:19 2006] [notice] Child 3740: Acquired the start mutex.
[Sun Aug 20 10:14:19 2006] [notice] Child 3740: Starting 250 worker threads.
[Sun Aug 20 10:14:19 2006] [notice] Child 3740: Starting thread to listen on port 443.
[Sun Aug 20 10:14:19 2006] [notice] Child 3740: Starting thread to listen on port 80.
[Sun Aug 20 10:14:20 2006] [notice] Child 3772: Waiting for 250 worker threads to exit.
[Sun Aug 20 10:14:22 2006] [notice] Child 3772: All worker threads have exited.
[Sun Aug 20 10:14:22 2006] [notice] Child 3772: Child process is exiting
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A couple of wild guesses you might try:
click [Properties] for bin\httpd.exe and set [Compatibility] to Windows-2000 compatibility mode
check the registry entry for HKEY_LOCAL_MACHINE\SOFTWARE\Apache Group\Apache\v.v.v
check your Windows event logs
 Other than that, I'm baffled!
I'd ask what version of Apache you are running; but I just tried it on several old 2.0.x installs, and even on Apache 1.3.37. To my surprise restart worked OK on all of them. I don't think the Apache restart mechanism has changed much on Windows.
-tom- |
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James Blond
Moderator
Joined: 19 Jan 2006
Posts: 7373
Location: Germany, Next to Hamburg
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| Posted: Tue 11 Mar '08 18:41 Post subject: |
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I made some changes 
| Code: |
--- httpd_shutdown.c.orig Wed Aug 16 14:06:03 2006
+++ httpd_shutdown.c Tue Mar 11 16:44:41 2008
@@ -7,10 +7,10 @@
static HANDLE shutdown_event = NULL; /* used to signal Apache 2 to shutdown */
static HANDLE restart_event = NULL; /* used to signal Apache 2 to restart */
-main(int argc, char **argv)
+int main(int argc, char **argv)
{ char *signal_shutdown_name = (char *) calloc(128,1);
BOOL result = 0;
- char *pidfilename = (char *) calloc(256,1);
+ char pidfilename[256];
char *pidbuff = (char *) calloc(11,1);
FILE *pidfile = NULL;
char *action_name[] = {"shutdown","restart"};
@@ -18,14 +18,14 @@
if (argc < 2)
{ printf("Usage:\n httpd_shutdown Apache_rootdir [restart]\n");
- return 2;
+ return -2;
}
- if (argc > 2 && _stricmp(argv[2],"restart") == 0) action=1; // restart instead of shutdown
+ if (argc > 2 && _stricmp(argv[2],"restart") == 0){ action=1; } // restart instead of shutdown
sprintf(pidfilename, "%s\\logs\\httpd.pid", argv[1]); // find the PID file and open it
pidfile = fopen(pidfilename,"r");
if (pidfile == NULL)
{ fprintf( stderr, "Error opening \"%s\"\n\t%s\n", pidfilename, _strerror(NULL) );
- return 1;
+ return -1;
}
fread( pidbuff, sizeof( char ), 10, pidfile );
sprintf(signal_shutdown_name, "ap%d_%s", atoi(pidbuff), action_name[action] ); // like "ap1234_shutdown"
@@ -33,13 +33,13 @@
shutdown_event = OpenEvent(EVENT_MODIFY_STATE, FALSE, signal_shutdown_name); // get the (existing) event
if (shutdown_event == NULL)
{ fprintf( stderr, "Could not acquire event named \"%s\"\n\t%s\n", signal_shutdown_name, _strerror(NULL) );
- return 1;
+ return -1;
}
result = SetEvent(shutdown_event); // set the event
if (!result)
{ fprintf( stderr, "Acquired but could not set event named \"%s\"\n\t%s\n",
signal_shutdown_name, _strerror(NULL) );
- return 1;
+ return -1;
}
return result;
}
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