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142 lines
3.9 KiB
142 lines
3.9 KiB
#include <stdafx.h>
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#include "Errors.h"
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#include "SNMPCtrl.h"
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#include "EventCmd.h"
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CSNMPController gSNMPController;
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CSNMPController::CSNMPController()
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{
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m_hSNMPService = NULL;
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m_hServiceController = NULL;
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}
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CSNMPController::~CSNMPController()
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{
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if (m_hSNMPService != NULL)
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CloseServiceHandle(m_hSNMPService);
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if (m_hServiceController != NULL)
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CloseServiceHandle(m_hServiceController);
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}
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DWORD CSNMPController::LoadSvcHandle()
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{
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if (m_hSNMPService == NULL)
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{
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if (m_hServiceController == NULL)
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{
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m_hServiceController = OpenSCManager(
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gCommandLine.m_szSystem,
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"ServicesActive",
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GENERIC_EXECUTE);
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if (m_hServiceController == NULL)
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return _E(GetLastError(), IDS_ERR25);
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}
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m_hSNMPService = OpenService(
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m_hServiceController,
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"SNMP",
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SERVICE_CONTROL_INTERROGATE | SERVICE_START | SERVICE_STOP);
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if (m_hSNMPService == NULL)
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return _E(GetLastError(), IDS_ERR26);
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}
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return ERROR_SUCCESS;
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}
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BOOL CSNMPController::IsSNMPRunning()
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{
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SERVICE_STATUS snmpStatus;
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if (LoadSvcHandle() != ERROR_SUCCESS)
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return FALSE;
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if (!QueryServiceStatus(m_hSNMPService, &snmpStatus))
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return _E(GetLastError(), IDS_ERR27);
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_W(WARN_TRACK, IDS_TRCK_WRN49, snmpStatus.dwCurrentState);
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return snmpStatus.dwCurrentState == SERVICE_RUNNING;
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}
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DWORD CSNMPController::StartSNMP()
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{
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DWORD retCode;
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SERVICE_STATUS svcStatus;
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DWORD dwRetries;
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if ((retCode = LoadSvcHandle()) != ERROR_SUCCESS)
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return retCode;
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if (!StartService(m_hSNMPService, 0, NULL))
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return _E(GetLastError(), IDS_ERR28);
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for (dwRetries = 10; dwRetries > 0; dwRetries--)
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{
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printf("."); fflush(stdout);
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if (!QueryServiceStatus(m_hSNMPService, &svcStatus))
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return _E(GetLastError(), IDS_ERR29);
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if (svcStatus.dwCurrentState == SERVICE_RUNNING)
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break;
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if (svcStatus.dwCurrentState == SERVICE_START_PENDING)
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{
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if (svcStatus.dwWaitHint < 200)
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svcStatus.dwWaitHint = 200;
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if (svcStatus.dwWaitHint > 1000)
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svcStatus.dwWaitHint = 1000;
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Sleep(svcStatus.dwWaitHint);
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}
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else
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return _E(ERROR_INVALID_STATE, IDS_ERR06, svcStatus.dwWaitHint);
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}
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printf("\n");
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return retCode;
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}
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DWORD CSNMPController::StopSNMP()
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{
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DWORD retCode;
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SERVICE_STATUS svcStatus;
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DWORD dwRetries;
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if ((retCode = LoadSvcHandle()) != ERROR_SUCCESS)
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return retCode;
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if (!ControlService(m_hSNMPService, SERVICE_CONTROL_STOP, &svcStatus))
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{
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retCode = GetLastError();
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if (retCode == ERROR_SERVICE_NOT_ACTIVE)
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{
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_W(WARN_TRACK, IDS_TRCK_WRN50);
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return ERROR_SUCCESS;
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}
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return _E(GetLastError(), IDS_ERR30);
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}
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for (dwRetries = 10; dwRetries > 0; dwRetries--)
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{
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printf("."); fflush(stdout);
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if (!QueryServiceStatus(m_hSNMPService, &svcStatus))
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return _E(GetLastError(), IDS_ERR31);
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if (svcStatus.dwCurrentState == SERVICE_STOPPED)
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break;
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if (svcStatus.dwCurrentState == SERVICE_STOP_PENDING)
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{
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if (svcStatus.dwWaitHint < 200)
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svcStatus.dwWaitHint = 200;
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if (svcStatus.dwWaitHint > 1000)
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svcStatus.dwWaitHint = 1000;
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Sleep(svcStatus.dwWaitHint);
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}
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else
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return _E(ERROR_INVALID_STATE, IDS_ERR06, svcStatus.dwWaitHint);
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}
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printf("\n");
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if (dwRetries == 0)
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return _E(ERROR_TIMEOUT, IDS_ERR07);
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return retCode;
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}
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