private void ProjectInstaller_AfterInstall(object sender,
System.Configuration.Install.InstallEventArgs e)
{
//Our code goes in this event because it is the only one that will do
//a proper job of letting the user know that an error has occurred,
//if one indeed occurs. Installation will be rolled back
//if an error occurs.
int iSCManagerHandle = 0;
int iSCManagerLockHandle = 0;
int iServiceHandle = 0;
bool bChangeServiceConfig = false;
bool bChangeServiceConfig2 = false;
modAPI.SERVICE_DESCRIPTION ServiceDescription;
modAPI.SERVICE_FAILURE_ACTIONS ServiceFailureActions;
modAPI.SC_ACTION[] ScActions = new modAPI.SC_ACTION[3];
//There should be one element for each action.
//The Services snap-in shows 3 possible actions.
bool bCloseService = false;
bool bUnlockSCManager = false;
bool bCloseSCManager = false;
IntPtr iScActionsPointer = new IntPtr();
try
{
//Obtain a handle to the Service Control Manager,
//with appropriate rights.
//This handle is used to open the relevant service.
iSCManagerHandle = modAPI.OpenSCManagerA(null, null,
modAPI.ServiceControlManagerType.SC_MANAGER_ALL_ACCESS);
//Check that it's open. If not throw an exception.
if (iSCManagerHandle < 1)
{
throw new Exception("Unable to open the Services Manager.");
}
//Lock the Service Control Manager database.
iSCManagerLockHandle = modAPI.LockServiceDatabase(iSCManagerHandle);
//Check that it's locked. If not throw an exception.
if (iSCManagerLockHandle < 1)
{
throw new Exception("Unable to lock the Services Manager.");
}
//Obtain a handle to the relevant service, with appropriate rights.
//This handle is sent along to change the settings. The second parameter
//should contain the name you assign to the service.
iServiceHandle = modAPI.OpenServiceA(iSCManagerHandle, gServiceName,
modAPI.ACCESS_TYPE.SERVICE_ALL_ACCESS);
//Check that it's open. If not throw an exception.
if (iServiceHandle < 1)
{
throw new Exception("Unable to open the Service for modification.");
}
//Call ChangeServiceConfig to update the ServiceType
//to SERVICE_INTERACTIVE_PROCESS.
//Very important is that you do not leave out or change the other relevant
//ServiceType settings. The call will return False if you do.
//Also, only services that use the LocalSystem account can be set to
//SERVICE_INTERACTIVE_PROCESS.
modAPI.ServiceType servicetype = modAPI.ServiceType.SERVICE_WIN32_OWN_PROCESS;
modAPI.ServiceStartType starttype = modAPI.ServiceStartType.SERVICESTARTTYPE_NO_CHANGE;
if (sServiceType.IndexOf("auto",StringComparison.CurrentCultureIgnoreCase)>=0)
starttype = modAPI.ServiceStartType.SERVICE_AUTO_START;
if (sServiceUser== null || sServiceUser.Length < 1)
{
servicetype = servicetype | modAPI.ServiceType.SERVICE_INTERACTIVE_PROCESS;
sServiceUser = null;
sServicePassword = null;
}
bChangeServiceConfig = modAPI.ChangeServiceConfigA(iServiceHandle,
servicetype,
(int) starttype, modAPI.SERVICE_NO_CHANGE,
null, null, 0, null, sServiceUser, sServicePassword, null);
//null, null, 0, null, null, null, null);
//If the call is unsuccessful, throw an exception.
if (bChangeServiceConfig == false)
{
throw new Exception("Unable to change the Service settings.");
}
#if INTERACTIVESERVICE
//To change the description, create an instance of the SERVICE_DESCRIPTION
//structure and set the lpDescription member to your desired description.
ServiceDescription.lpDescription =
"This is my custom description for my Windows Service Application!";
//Call ChangeServiceConfig2 with SERVICE_CONFIG_DESCRIPTION in the second
//parameter and the SERVICE_DESCRIPTION instance in the third parameter
//to update the description.
bChangeServiceConfig2 = modAPI.ChangeServiceConfig2A(iServiceHandle,
modAPI.InfoLevel.SERVICE_CONFIG_DESCRIPTION, ref ServiceDescription);
//If the update of the description is unsuccessful it is up to you to
//throw an exception or not. The fact that the description did not update
//should not impact the functionality of your service.
if (bChangeServiceConfig2 == false)
{
throw new Exception("Unable to set the Service description.");
}
#endif
// The service control manager counts the number of times each service has failed since the system booted.
// The count is reset to 0 if the service has not failed for dwResetPeriod seconds.
// When the service fails for the Nth time, the service controller performs the action specified
// in element [N-1] of the lpsaActions array.
// If N is greater than cActions, the service controller repeats the last action in the array.
//To change the Service Failure Actions, create an instance of the
//SERVICE_FAILURE_ACTIONS structure and set the members to your
//desired values. See MSDN for detailed descriptions.
// modAPI.SC_ACTION_TYPE.SC_ACTION_RESTART;
// modAPI.SC_ACTION_TYPE.SC_ACTION_RUN_COMMAND;
// modAPI.SC_ACTION_TYPE.SC_ACTION_REBOOT;
ServiceFailureActions.dwResetPeriod = dwResetPeriod; // every 12 hours, will reboot every 24
ServiceFailureActions.lpRebootMsg =
"Service failed to start! Rebooting...";
ServiceFailureActions.lpCommand = "";
ServiceFailureActions.cActions = ScActions.Length;
//The lpsaActions member of SERVICE_FAILURE_ACTIONS is a pointer to an
//array of SC_ACTION structures. This complicates matters a little,
//and although it took me a week to figure it out, the solution
//is quite simple. SC_ACTION_NONE
//First order of business is to populate our array of SC_ACTION structures
//with appropriate values.
ScActions[0].Delay = 20000;
ScActions[0].SCActionType = modAPI.SC_ACTION_TYPE.SC_ACTION_RESTART;
ScActions[1].Delay = 20000;
ScActions[1].SCActionType = modAPI.SC_ACTION_TYPE.SC_ACTION_RESTART;
ScActions[2].Delay = 20000;
ScActions[2].SCActionType = modAPI.SC_ACTION_TYPE.SC_ACTION_RESTART;
//Once that's done, we need to obtain a pointer to a memory location
//that we can assign to lpsaActions in SERVICE_FAILURE_ACTIONS.
//We use 'Marshal.SizeOf(New modAPI.SC_ACTION) * 3' because we pass
//3 actions to our service. If you have less
//actions change the * 3 accordingly.
iScActionsPointer =
Marshal.AllocHGlobal(Marshal.SizeOf(new modAPI.SC_ACTION()) * 3);
//Once we have obtained the pointer for the memory location we need to
//fill the memory with our structure. We use the CopyMemory API function
//for this. Please have a look at it's declaration in modAPI.
modAPI.CopyMemory(iScActionsPointer,
ScActions, Marshal.SizeOf(new modAPI.SC_ACTION()) * 3);
//We set the lpsaActions member
//of SERVICE_FAILURE_ACTIONS to the integer
//value of our pointer.
ServiceFailureActions.lpsaActions = iScActionsPointer.ToInt32();
//We call bChangeServiceConfig2 with the relevant parameters.
bChangeServiceConfig2 = modAPI.ChangeServiceConfig2A(iServiceHandle,
modAPI.InfoLevel.SERVICE_CONFIG_FAILURE_ACTIONS,
ref ServiceFailureActions);
//If the update of the failure actions
//are unsuccessful it is up to you to
//throw an exception or not. The fact that
//the failure actions did not update
//should not impact the functionality of your service.
if (bChangeServiceConfig2 == false)
{
throw new Exception("Unable to set the Service Failure Actions.");
}
}
catch (Exception ex)
{
Logger.LogMessage(ex.Message, Logger.FATAL);
//Throw the exception again so the installer can get to it
throw new Exception(ex.Message);
}
finally
{
//Close the handles if they are open.
Marshal.FreeHGlobal(iScActionsPointer);
if (iServiceHandle > 0)
{
bCloseService = modAPI.CloseServiceHandle(iServiceHandle);
}
if (iSCManagerLockHandle > 0)
{
bUnlockSCManager = modAPI.UnlockServiceDatabase(iSCManagerLockHandle);
}
if (iSCManagerHandle != 0)
{
bCloseSCManager = modAPI.CloseServiceHandle(iSCManagerHandle);
}
}
}
private void ProjectInstaller_AfterInstall(object sender,
System.Configuration.Install.InstallEventArgs e)
{
//Our code goes in this event because it is the only one that will do
//a proper job of letting the user know that an error has occurred,
//if one indeed occurs. Installation will be rolled back
//if an error occurs.
int iSCManagerHandle = 0;
int iSCManagerLockHandle = 0;
int iServiceHandle = 0;
bool bChangeServiceConfig = false;
bool bChangeServiceConfig2 = false;
modAPI.SERVICE_DESCRIPTION ServiceDescription;
modAPI.SERVICE_FAILURE_ACTIONS ServiceFailureActions;
modAPI.SC_ACTION[] ScActions = new modAPI.SC_ACTION[3];
//There should be one element for each action.
//The Services snap-in shows 3 possible actions.
bool bCloseService = false;
bool bUnlockSCManager = false;
bool bCloseSCManager = false;
IntPtr iScActionsPointer = new IntPtr();
try
{
//Obtain a handle to the Service Control Manager,
//with appropriate rights.
//This handle is used to open the relevant service.
iSCManagerHandle = modAPI.OpenSCManagerA(null, null,
modAPI.ServiceControlManagerType.SC_MANAGER_ALL_ACCESS);
//Check that it's open. If not throw an exception.
if (iSCManagerHandle < 1)
{
throw new Exception("Unable to open the Services Manager.");
}
//Lock the Service Control Manager database.
iSCManagerLockHandle = modAPI.LockServiceDatabase(iSCManagerHandle);
//Check that it's locked. If not throw an exception.
if (iSCManagerLockHandle < 1)
{
throw new Exception("Unable to lock the Services Manager.");
}
//Obtain a handle to the relevant service, with appropriate rights.
//This handle is sent along to change the settings. The second parameter
//should contain the name you assign to the service.
iServiceHandle = modAPI.OpenServiceA(iSCManagerHandle, gServiceName,
modAPI.ACCESS_TYPE.SERVICE_ALL_ACCESS);
//Check that it's open. If not throw an exception.
if (iServiceHandle < 1)
{
throw new Exception("Unable to open the Service for modification.");
}
//Call ChangeServiceConfig to update the ServiceType
//to SERVICE_INTERACTIVE_PROCESS.
//Very important is that you do not leave out or change the other relevant
//ServiceType settings. The call will return False if you do.
//Also, only services that use the LocalSystem account can be set to
//SERVICE_INTERACTIVE_PROCESS.
modAPI.ServiceType servicetype = modAPI.ServiceType.SERVICE_WIN32_OWN_PROCESS;
modAPI.ServiceStartType starttype = modAPI.ServiceStartType.SERVICESTARTTYPE_NO_CHANGE;
if (sServiceType.IndexOf("auto", StringComparison.CurrentCultureIgnoreCase) >= 0)
{
starttype = modAPI.ServiceStartType.SERVICE_AUTO_START;
}
if (sServiceUser == null || sServiceUser.Length < 1)
{
servicetype = servicetype | modAPI.ServiceType.SERVICE_INTERACTIVE_PROCESS;
sServiceUser = null;
sServicePassword = null;
}
bChangeServiceConfig = modAPI.ChangeServiceConfigA(iServiceHandle,
servicetype,
(int)starttype, modAPI.SERVICE_NO_CHANGE,
null, null, 0, null, sServiceUser, sServicePassword, null);
//null, null, 0, null, null, null, null);
//If the call is unsuccessful, throw an exception.
if (bChangeServiceConfig == false)
{
throw new Exception("Unable to change the Service settings.");
}
#if INTERACTIVESERVICE
//To change the description, create an instance of the SERVICE_DESCRIPTION
//structure and set the lpDescription member to your desired description.
ServiceDescription.lpDescription =
"This is my custom description for my Windows Service Application!";
//Call ChangeServiceConfig2 with SERVICE_CONFIG_DESCRIPTION in the second
//parameter and the SERVICE_DESCRIPTION instance in the third parameter
//to update the description.
bChangeServiceConfig2 = modAPI.ChangeServiceConfig2A(iServiceHandle,
modAPI.InfoLevel.SERVICE_CONFIG_DESCRIPTION, ref ServiceDescription);
//If the update of the description is unsuccessful it is up to you to
//throw an exception or not. The fact that the description did not update
//should not impact the functionality of your service.
if (bChangeServiceConfig2 == false)
{
throw new Exception("Unable to set the Service description.");
}
#endif
// The service control manager counts the number of times each service has failed since the system booted.
// The count is reset to 0 if the service has not failed for dwResetPeriod seconds.
// When the service fails for the Nth time, the service controller performs the action specified
// in element [N-1] of the lpsaActions array.
// If N is greater than cActions, the service controller repeats the last action in the array.
//To change the Service Failure Actions, create an instance of the
//SERVICE_FAILURE_ACTIONS structure and set the members to your
//desired values. See MSDN for detailed descriptions.
// modAPI.SC_ACTION_TYPE.SC_ACTION_RESTART;
// modAPI.SC_ACTION_TYPE.SC_ACTION_RUN_COMMAND;
// modAPI.SC_ACTION_TYPE.SC_ACTION_REBOOT;
ServiceFailureActions.dwResetPeriod = dwResetPeriod; // every 12 hours, will reboot every 24
ServiceFailureActions.lpRebootMsg =
"Service failed to start! Rebooting...";
ServiceFailureActions.lpCommand = "";
ServiceFailureActions.cActions = ScActions.Length;
//The lpsaActions member of SERVICE_FAILURE_ACTIONS is a pointer to an
//array of SC_ACTION structures. This complicates matters a little,
//and although it took me a week to figure it out, the solution
//is quite simple. SC_ACTION_NONE
//First order of business is to populate our array of SC_ACTION structures
//with appropriate values.
ScActions[0].Delay = 20000;
ScActions[0].SCActionType = modAPI.SC_ACTION_TYPE.SC_ACTION_RESTART;
ScActions[1].Delay = 20000;
ScActions[1].SCActionType = modAPI.SC_ACTION_TYPE.SC_ACTION_RESTART;
ScActions[2].Delay = 20000;
ScActions[2].SCActionType = modAPI.SC_ACTION_TYPE.SC_ACTION_RESTART;
//Once that's done, we need to obtain a pointer to a memory location
//that we can assign to lpsaActions in SERVICE_FAILURE_ACTIONS.
//We use 'Marshal.SizeOf(New modAPI.SC_ACTION) * 3' because we pass
//3 actions to our service. If you have less
//actions change the * 3 accordingly.
iScActionsPointer =
Marshal.AllocHGlobal(Marshal.SizeOf(new modAPI.SC_ACTION()) * 3);
//Once we have obtained the pointer for the memory location we need to
//fill the memory with our structure. We use the CopyMemory API function
//for this. Please have a look at it's declaration in modAPI.
modAPI.CopyMemory(iScActionsPointer,
ScActions, Marshal.SizeOf(new modAPI.SC_ACTION()) * 3);
//We set the lpsaActions member
//of SERVICE_FAILURE_ACTIONS to the integer
//value of our pointer.
ServiceFailureActions.lpsaActions = iScActionsPointer.ToInt32();
//We call bChangeServiceConfig2 with the relevant parameters.
bChangeServiceConfig2 = modAPI.ChangeServiceConfig2A(iServiceHandle,
modAPI.InfoLevel.SERVICE_CONFIG_FAILURE_ACTIONS,
ref ServiceFailureActions);
//If the update of the failure actions
//are unsuccessful it is up to you to
//throw an exception or not. The fact that
//the failure actions did not update
//should not impact the functionality of your service.
if (bChangeServiceConfig2 == false)
{
throw new Exception("Unable to set the Service Failure Actions.");
}
}
catch (Exception ex)
{
Logger.LogMessage(ex.Message, Logger.FATAL);
//Throw the exception again so the installer can get to it
throw new Exception(ex.Message);
}
finally
{
//Close the handles if they are open.
Marshal.FreeHGlobal(iScActionsPointer);
if (iServiceHandle > 0)
{
bCloseService = modAPI.CloseServiceHandle(iServiceHandle);
}
if (iSCManagerLockHandle > 0)
{
bUnlockSCManager = modAPI.UnlockServiceDatabase(iSCManagerLockHandle);
}
if (iSCManagerHandle != 0)
{
bCloseSCManager = modAPI.CloseServiceHandle(iSCManagerHandle);
}
}
}
