added load driver tool, in case someone has troubles with the automatic loading of the sys file for pyparallel

based on Paula Tomlinson's sources (see source files)

1 files changed, 185 insertions, 0 deletions

diff --git a/pyparallel/src/win32/loaddrv_console/loaddrv.c b/pyparallel/src/win32/loaddrv_console/loaddrv.c
new file mode 100644
index 0000000..7b6f330
--- /dev/null
+++ b/pyparallel/src/win32/loaddrv_console/loaddrv.c
@@ -0,0 +1,185 @@
+// loaddrv.c - Dynamic driver install/start/stop/remove
+// based on Paula Tomlinson's LOADDRV program. 
+// She describes it in her May 1995 article in Windows/DOS Developer's
+// Journal (now Windows Developer's Journal).
+// i removed the old/ugly dialog, it now accepts command line options and
+// prints error messages with textual description from the OS.
+
+#include <windows.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include "loaddrv.h"
+
+// globals
+SC_HANDLE hSCMan = NULL;
+
+//get ext messages for windows error codes:
+void DisplayErrorText(DWORD dwLastError) {
+    LPSTR MessageBuffer;
+    DWORD dwBufferLength;
+    
+    DWORD dwFormatFlags = FORMAT_MESSAGE_ALLOCATE_BUFFER |
+        FORMAT_MESSAGE_IGNORE_INSERTS |
+        FORMAT_MESSAGE_FROM_SYSTEM ;
+    
+    if (dwBufferLength = FormatMessageA(
+        dwFormatFlags,
+        NULL, // module to get message from (NULL == system)
+        dwLastError,
+        MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT), // default language
+        (LPSTR) &MessageBuffer,
+        0,
+        NULL
+        ))
+    {
+        // Output message
+        puts(MessageBuffer);
+        // Free the buffer allocated by the system.
+        LocalFree(MessageBuffer);
+    }
+}
+
+int main(int argc, char *argv[]) {
+    DWORD status = 0;
+    if (argc < 3) {
+        printf("USGAE: loaddrv start|stop|install|remove drivername [fullpathforinstall]");
+        exit(1);
+    }
+    LoadDriverInit();
+    if (strcmp(argv[1], "start") == 0) {
+        printf("starting %s... ", argv[2]);
+        status = DriverStart(argv[2]);
+        if ( status != OKAY) {
+            printf("start failed (status %ld):\n", status);
+        } else {
+            printf("ok.\n");
+        }
+    } else if (strcmp(argv[1], "stop") == 0) {
+        printf("stoping %s... ", argv[2]);
+        status = DriverStop(argv[2]);
+        if ( status != OKAY) {
+            printf("stop failed (status %ld):\n", status);
+        } else {
+            printf("ok.\n");
+        }
+    } else if (strcmp(argv[1], "install") == 0) {
+        char path[MAX_PATH*2];
+        if (argc<4) {
+            sprintf(path, "%s.sys", argv[2]);
+        } else {
+            strncpy(path, argv[3], MAX_PATH);
+        }
+        printf("installing %s from %s... ", argv[2], path);
+        status = DriverInstall(path, argv[2]);
+        if ( status != OKAY) {
+            printf("install failed (status %ld):\n", status);
+        } else {
+            printf("ok.\n");
+        }
+    } else if (strcmp(argv[1], "remove") == 0) {
+        printf("removing %s... ", argv[2]);
+        status = DriverRemove(argv[2]);
+        if ( status != OKAY) {
+            printf("remove failed (status %ld):\n", status);
+        } else {
+            printf("ok.\n");
+        }
+    } else {
+        printf("USGAE: loaddrv start|stop|install|remove drivername [fullpathforinstall]");
+        exit(1);
+    }
+    if (status) DisplayErrorText(status);
+    LoadDriverCleanup();
+    return 0;
+}
+
+
+DWORD LoadDriverInit(void) {
+    // connect to local service control manager
+    if ((hSCMan = OpenSCManager(NULL, NULL, 
+        SC_MANAGER_ALL_ACCESS)) == NULL) {
+        return -1;
+    }
+    return OKAY;
+}
+
+void LoadDriverCleanup(void) {
+    if (hSCMan != NULL) CloseServiceHandle(hSCMan);
+}
+
+/**-----------------------------------------------------**/
+DWORD DriverInstall(LPSTR lpPath, LPSTR lpDriver)
+{
+   BOOL dwStatus = OKAY;
+   SC_HANDLE hService = NULL;
+
+   // add to service control manager's database
+   if ((hService = CreateService(hSCMan, lpDriver, 
+      lpDriver, SERVICE_ALL_ACCESS, SERVICE_KERNEL_DRIVER,
+      SERVICE_DEMAND_START, SERVICE_ERROR_NORMAL, lpPath, 
+      NULL, NULL, NULL, NULL, NULL)) == NULL)
+         dwStatus = GetLastError();
+   else CloseServiceHandle(hService);
+
+   return dwStatus;
+} // DriverInstall
+
+/**-----------------------------------------------------**/
+DWORD DriverStart(LPSTR lpDriver)
+{
+   BOOL dwStatus = OKAY;
+   SC_HANDLE hService = NULL;
+
+   // get a handle to the service
+   if ((hService = OpenService(hSCMan, lpDriver, 
+      SERVICE_ALL_ACCESS)) != NULL) 
+   {
+      // start the driver
+      if (!StartService(hService, 0, NULL))
+         dwStatus = GetLastError();
+   } else dwStatus = GetLastError();
+
+   if (hService != NULL) CloseServiceHandle(hService);
+   return dwStatus;
+} // DriverStart
+
+/**-----------------------------------------------------**/
+DWORD DriverStop(LPSTR lpDriver)
+{
+   BOOL dwStatus = OKAY;
+   SC_HANDLE hService = NULL;
+   SERVICE_STATUS serviceStatus;
+
+   // get a handle to the service
+   if ((hService = OpenService(hSCMan, lpDriver, 
+      SERVICE_ALL_ACCESS)) != NULL) 
+   {
+      // stop the driver
+      if (!ControlService(hService, SERVICE_CONTROL_STOP,
+         &serviceStatus))
+            dwStatus = GetLastError();
+   } else dwStatus = GetLastError();
+
+   if (hService != NULL) CloseServiceHandle(hService);
+   return dwStatus;
+} // DriverStop
+
+/**-----------------------------------------------------**/
+DWORD DriverRemove(LPSTR lpDriver)
+{
+   BOOL dwStatus = OKAY;
+   SC_HANDLE hService = NULL;
+
+   // get a handle to the service
+   if ((hService = OpenService(hSCMan, lpDriver, 
+      SERVICE_ALL_ACCESS)) != NULL) 
+   {
+      // remove the driver
+      if (!DeleteService(hService))
+         dwStatus = GetLastError();
+   } else dwStatus = GetLastError();
+
+   if (hService != NULL) CloseServiceHandle(hService);
+   return dwStatus;
+} // DriverRemove