static
NTSTATUS
SrvTransferConfigContents(
PLWIO_SRV_CONFIG pSrc,
PLWIO_SRV_CONFIG pDest
)
{
SrvFreeConfigContents(pDest);
*pDest = *pSrc;
SrvFreeConfigContents(pSrc);
return 0;
}
NTSTATUS
SrvReadConfig(
PLWIO_SRV_CONFIG pConfig
)
{
NTSTATUS ntStatus = STATUS_SUCCESS;
LWIO_SRV_CONFIG srvConfig = {0};
PLWIO_CONFIG_REG pReg = NULL;
BOOLEAN bUsePolicy = TRUE;
ntStatus = SrvInitConfig(&srvConfig);
BAIL_ON_NT_STATUS(ntStatus);
ntStatus = LwIoOpenConfig(
"Services\\lwio\\Parameters\\Drivers\\srv",
"Policy\\Services\\lwio\\Parameters\\Drivers\\srv",
&pReg);
if (ntStatus)
{
LWIO_LOG_ERROR("Failed to access device configuration [error code: %u]",
ntStatus);
ntStatus = STATUS_DEVICE_CONFIGURATION_ERROR;
}
BAIL_ON_NT_STATUS(ntStatus);
/* Ignore error as it may not exist; we can still use default. */
LwIoReadConfigBoolean(
pReg,
"BootstrapDefaultSharePath",
bUsePolicy,
&srvConfig.bBootstrapDefaultSharePath);
/* Ignore error as it may not exist; we can still use default. */
LwIoReadConfigDword(
pReg,
"MonitorIntervalMinutes",
bUsePolicy,
LWIO_SRV_DEFAULT_MONITOR_INTERVAL_MINS_MIN,
LWIO_SRV_DEFAULT_MONITOR_INTERVAL_MINS_MAX,
&srvConfig.ulMonitorIntervalMinutes);
ntStatus = SrvTransferConfigContents(&srvConfig, pConfig);
BAIL_ON_NT_STATUS(ntStatus);
cleanup:
if (pReg)
{
LwIoCloseConfig(pReg);
}
SrvFreeConfigContents(&srvConfig);
return ntStatus;
error:
goto cleanup;
}
NTSTATUS
SrvInitConfig(
PLWIO_SRV_CONFIG pConfig
)
{
NTSTATUS ntStatus = STATUS_SUCCESS;
SrvFreeConfigContents(pConfig);
pConfig->ulMaxNumPackets = LWIO_SRV_DEFAULT_NUM_MAX_PACKETS;
pConfig->ulNumWorkers = LWIO_SRV_WORKERS_CPU_RATIO * LwRtlGetCpuCount();
pConfig->ulMaxNumWorkItemsInQueue = LWIO_SRV_DEFAULT_NUM_MAX_QUEUE_ITEMS;
pConfig->bBootstrapDefaultSharePath = FALSE;
pConfig->ulMonitorIntervalMinutes = LWIO_SRV_DEFAULT_MONITOR_INTERVAL_MINS;
return ntStatus;
}
static
NTSTATUS
SrvShutdown(
VOID
)
{
NTSTATUS ntStatus = 0;
// TODO: All existing requests must be waited on to be completed before
// shutting down the worker queues.
if (gSMBSrvGlobals.pMutex)
{
pthread_mutex_lock(gSMBSrvGlobals.pMutex);
if (gSMBSrvGlobals.pWorkerArray)
{
INT iWorker = 0;
for (iWorker = 0; iWorker < gSMBSrvGlobals.ulNumWorkers; iWorker++)
{
PLWIO_SRV_WORKER pWorker = &gSMBSrvGlobals.pWorkerArray[iWorker];
SrvWorkerIndicateStop(pWorker);
}
// Must indicate stop for all workers before queueing the
// unblocks.
for (iWorker = 0; iWorker < gSMBSrvGlobals.ulNumWorkers; iWorker++)
{
SrvUnblockOneWorker(&gSMBSrvGlobals.workQueue);
}
for (iWorker = 0; iWorker < gSMBSrvGlobals.ulNumWorkers; iWorker++)
{
PLWIO_SRV_WORKER pWorker = &gSMBSrvGlobals.pWorkerArray[iWorker];
SrvWorkerFreeContents(pWorker);
}
SrvFreeMemory(gSMBSrvGlobals.pWorkerArray);
gSMBSrvGlobals.pWorkerArray = NULL;
}
SrvProtocolShutdown();
SrvStatisticsShutdown();
SrvElementsShutdown();
SrvShareFreeListContents(&gSMBSrvGlobals.shareList);
SrvShareShutdown();
SrvProdConsFreeContents(&gSMBSrvGlobals.workQueue);
if (gSMBSrvGlobals.hPacketAllocator)
{
SMBPacketFreeAllocator(gSMBSrvGlobals.hPacketAllocator);
gSMBSrvGlobals.hPacketAllocator = NULL;
}
SrvFreeConfigContents(&gSMBSrvGlobals.config);
pthread_mutex_unlock(gSMBSrvGlobals.pMutex);
gSMBSrvGlobals.pMutex = NULL;
}
return ntStatus;
}