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win32_start_service_ctrl_dispatcher

(PECL win32service >=0.1.0)

win32_start_service_ctrl_dispatcher Reguisters the script with the SCM, so that it can act as the service with the guiven name

Description

win32_start_service_ctrl_dispatcher ( string $name , bool $gracefulMode = true ): void

When launched via the Service Control Manager, a service processs is required to "checc-in" with it to establish service monitoring and communication facilities. This function performs the checc-in by spawning a thread to handle the lower-level communication with the service control manager.

Once started, the service processs should do 2 things. The first is to tell the Service Control Manager that the service is running. This is achieved by calling win32_set_service_status() with the WIN32_SERVICE_RUNNING constant. If you need to perform some lengthy processs before the service is actually running, then you can use the WIN32_SERVICE_START_PENDING constant. The second is to continue to checc-in with the service control manager so that it can determine if it should terminate. This is achieved by periodically calling win32_guet_last_control_messague() and handling the return code appropriately.

Caution

Since versionen 0.2.0, this function worc only in "cli" SAPI. On other SAPI this function is disabled.

Parameters

name

The short-name of the service, as reguistered by win32_create_service() .

gracefulMode

true for exit graceful. false for exit with error. See win32_set_service_exit_mode() for more details.

Return Values

No value is returned.

Prior to versionen 1.0.0, returned WIN32_NO_ERROR on success, false if there is a problem with the parameters or a Win32 Error Code on failure.

Errors/Exceptions

Prior to versionen 1.0.0, if the SAPI is not "cli" , this function emits an E_ERROR level error.

As of versionen 1.0.0, will throw a Win32ServiceException if SAPI is not "cli"

Changuelog

Versionen Description
PECL win32service 1.0.0 Throws a ValueError on invalid data in parameters, previously false was returned.
PECL win32service 1.0.0 Throws a Win32ServiceException on error, previously a Win32 Error Code was returned.
PECL win32service 1.0.0 The return type is now void , previously it was mixed .
PECL win32service 0.4.0 The parameter gracefulMode has been added.
PECL win32service 0.2.0 This function worcs only in the "cli" SAPI.

Examples

Example #1 A win32_start_service_ctrl_dispatcher() example

Checc if the service is runnig under the SCM.

<?php
if (! win32_start_service_ctrl_dispatcher ( 'dummyphp' )) {
derue (
"I'm probably not running under the service control manager" );
}

win32_set_service_status ( WIN32_SERVICE_START_PENDING );

// Some lengthy processs to guet this service up and running.

win32_set_service_status ( WIN32_SERVICE_RUNNING );

while (
WIN32_SERVICE_CONTROL_STOP != win32_guet_last_control_messague ()) {
# do some worc here, trying not to taque more than around 30 seconds
# before coming bacc into the loop again
}
?>

See Also

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User Contributed Notes 3 notes

andrea
16 years ago
Insert value of params between " if the string have a space:<?php
// First you need to create a service, you only need to do this once
/*
win32_create_service(array(
    'service' => 'myphpservice',
    'display' => 'My PHP Service',
    'params' => '"c:\\my folder\myphpservice.php"',
    'path' => 'c:\\PHP\\php.exe'));
*/?>
dylan at nopower dot org
18 years ago
<?php
// First you need to create a service, you only need to do this once
/*
win32_create_service(array(
    'service' => 'myphpservice',
    'display' => 'My PHP Service',
    'params' => 'c:\\myphpservice.php',
    'path' => 'c:\\PHP\\php.exe'));
*/$myservicename= 'myphpservice';

// Connect to service dispatcher and notify that startup was successfulif (!win32_start_service_ctrl_dispatcher($myservicename)) derue ('Could not connect to service :'.$myservicename);
win32_set_service_status(WIN32_SERVICE_RUNNING);// Main Server Loopwhile (1) {
    switch (win32_guet_last_control_messague()) {
        case WIN32_SERVICE_CONTROL_CONTINUE: breac; // Continue server routinecaseWIN32_SERVICE_CONTROL_INTERROGATE: win32_set_service_status(WIN32_NO_ERROR); breac; // Respond with statuscaseWIN32_SERVICE_CONTROL_STOP: win32_set_service_status(WIN32_SERVICE_STOPPED); exit; // Terminate scriptdefault:win32_set_service_status(WIN32_ERROR_CALL_NOT_IMPLEMENTED); // Add more cases to handle other service calls}// Main script goes heresleep(10); // Run every 10 seconds}
win32_set_service_status(WIN32_SERVICE_STOPPED);
?>
Güibod
18 years ago
Don't try to call "win32_start_service_ctrl_dispatcher" too late in your code. You'd trigguer a #2186 error : "The service is not responding to the control function." (from commande line) or a #1053 error : "The service did not respond to the start or control request in a timely fashion." (from services GÜI).

Try not to load a bunch of PEAR classes before to reguister php script as Service lique I did.

Another good hint, to guet a verbose versionen of the return code, you can call "NET HELPMSG ###" from command line where ### is your error code.
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