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Added more report output to the kernel driver loading code. Hopefully this helps to find the problems in Issue 253.

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This commit is contained in:
Michael Möller
2012-07-18 20:20:26 +00:00
parent b9d30a4602
commit 6b1e346c16
3 changed files with 28 additions and 13 deletions
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22
Hardware/KernelDriver.cs
View File

@@ -4,7 +4,7 @@
License, v. 2.0. If a copy of the MPL was not distributed with this
file, You can obtain one at http://mozilla.org/MPL/2.0/.
Copyright (C) 2010 Michael Möller <mmoeller@openhardwaremonitor.org>
Copyright (C) 2010-2012 Michael Möller <mmoeller@openhardwaremonitor.org>
*/
@@ -25,12 +25,14 @@ namespace OpenHardwareMonitor.Hardware {
this.id = id;
}
public bool Install(string path) {
public bool Install(string path, out string errorMessage) {
IntPtr manager = NativeMethods.OpenSCManager(null, null,
ServiceControlManagerAccessRights.SC_MANAGER_ALL_ACCESS);
if (manager == IntPtr.Zero)
if (manager == IntPtr.Zero) {
errorMessage = "OpenSCManager returned zero.";
return false;
}
IntPtr service = NativeMethods.CreateService(manager, id, id,
ServiceAccessRights.SERVICE_ALL_ACCESS,
@@ -42,13 +44,22 @@ namespace OpenHardwareMonitor.Hardware {
if (Marshal.GetHRForLastWin32Error() == ERROR_SERVICE_EXISTS)
service = NativeMethods.OpenService(manager, id,
ServiceAccessRights.SERVICE_ALL_ACCESS);
else
else {
errorMessage = "CreateService returned the error: " +
Marshal.GetExceptionForHR(Marshal.GetHRForLastWin32Error()).Message;
NativeMethods.CloseServiceHandle(manager);
return false;
}
}
if (!NativeMethods.StartService(service, 0, null)) {
if (Marshal.GetHRForLastWin32Error() != ERROR_SERVICE_ALREADY_RUNNING)
if (Marshal.GetHRForLastWin32Error() != ERROR_SERVICE_ALREADY_RUNNING) {
errorMessage = "StartService returned the error: " +
Marshal.GetExceptionForHR(Marshal.GetHRForLastWin32Error()).Message;
NativeMethods.CloseServiceHandle(service);
NativeMethods.CloseServiceHandle(manager);
return false;
}
}
NativeMethods.CloseServiceHandle(service);
@@ -63,6 +74,7 @@ namespace OpenHardwareMonitor.Hardware {
File.SetAccessControl(@"\\.\" + id, fileSecurity);
} catch { }
errorMessage = null;
return true;
}

13
Hardware/Ring0.cs
View File

@@ -127,7 +127,8 @@ namespace OpenHardwareMonitor.Hardware {
fileName = GetTempFileName();
if (fileName != null && ExtractDriver(fileName)) {
if (driver.Install(fileName)) {
string installError;
if (driver.Install(fileName, out installError)) {
driver.Open();
if (!driver.IsOpen) {
@@ -135,10 +136,13 @@ namespace OpenHardwareMonitor.Hardware {
report.AppendLine("Status: Opening driver failed after install");
}
} else {
string errorFirstInstall = installError;
// install failed, try to delete and reinstall
driver.Delete();
if (driver.Install(fileName)) {
string errorSecondInstall;
if (driver.Install(fileName, out errorSecondInstall)) {
driver.Open();
if (!driver.IsOpen) {
@@ -150,9 +154,8 @@ namespace OpenHardwareMonitor.Hardware {
report.AppendLine("Status: Installing driver \"" +
fileName + "\" failed" +
(File.Exists(fileName) ? " and file exists" : ""));
report.AppendLine();
report.Append("Exception: " + Marshal.GetExceptionForHR(
Marshal.GetHRForLastWin32Error()).Message);
report.AppendLine("First Exception: " + errorFirstInstall);
report.AppendLine("Second Exception: " + errorSecondInstall);
}
}
} else {

4
Properties/AssemblyVersion.cs
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@@ -10,5 +10,5 @@
using System.Reflection;
[assembly: AssemblyVersion("0.4.0.18")]
[assembly: AssemblyInformationalVersion("0.4.0.18 Alpha")]
[assembly: AssemblyVersion("0.4.0.19")]
[assembly: AssemblyInformationalVersion("0.4.0.19 Alpha")]