internal void AddMessage(BuildMessage message)
{
_messages.Add(message);
}
public bool UpdateResources(string filename, BuildResults results)
{
bool returnValue = true;
int beginUpdateRetries = 20; // Number of retries
const int beginUpdateRetryInterval = 100; // In milliseconds
bool endUpdate = false; // Only call EndUpdateResource() if this is true
// Directory.GetCurrentDirectory() has previously been set to the project location
string filePath = Path.Combine(Directory.GetCurrentDirectory(), filename);
if (_stringResources.Count == 0 && _fileResources.Count == 0)
{
return(true);
}
IntPtr hUpdate = IntPtr.Zero;
try
{
hUpdate = NativeMethods.BeginUpdateResourceW(filePath, false);
while (IntPtr.Zero == hUpdate && Marshal.GetHRForLastWin32Error() == ERROR_SHARING_VIOLATION && beginUpdateRetries > 0) // If it equals 0x80070020 (ERROR_SHARING_VIOLATION), sleep & retry
{
// This warning can be useful for debugging, but shouldn't be displayed to an actual user
// results.AddMessage(BuildMessage.CreateMessage(BuildMessageSeverity.Warning, "GenerateBootstrapper.General", String.Format("Unable to begin updating resource for {0} with error {1:X}, trying again after short sleep", filename, Marshal.GetHRForLastWin32Error())));
hUpdate = NativeMethods.BeginUpdateResourceW(filePath, false);
beginUpdateRetries--;
Thread.Sleep(beginUpdateRetryInterval);
}
// If after all that we still failed, throw a build error
if (IntPtr.Zero == hUpdate)
{
results.AddMessage(BuildMessage.CreateMessage(BuildMessageSeverity.Error, "GenerateBootstrapper.General",
$"Unable to begin updating resource for {filename} with error {Marshal.GetHRForLastWin32Error():X}"));
return(false);
}
endUpdate = true;
if (hUpdate != IntPtr.Zero)
{
foreach (StringResource resource in _stringResources)
{
byte[] data = StringToByteArray(resource.Data);
if (!NativeMethods.UpdateResourceW(hUpdate, (IntPtr)resource.Type, resource.Name, 0, data, data.Length))
{
results.AddMessage(BuildMessage.CreateMessage(BuildMessageSeverity.Error, "GenerateBootstrapper.General",
$"Unable to update resource for {filename} with error {Marshal.GetHRForLastWin32Error():X}"));
return(false);
}
}
if (_fileResources.Count > 0)
{
int index = 0;
byte[] countArray = StringToByteArray(_fileResources.Count.ToString("G", CultureInfo.InvariantCulture));
if (!NativeMethods.UpdateResourceW(hUpdate, (IntPtr)42, "COUNT", 0, countArray, countArray.Length))
{
results.AddMessage(BuildMessage.CreateMessage(BuildMessageSeverity.Error, "GenerateBootstrapper.General",
$"Unable to update count resource for {filename} with error {Marshal.GetHRForLastWin32Error():X}"));
return(false);
}
foreach (FileResource resource in _fileResources)
{
// Read in the file data
int fileLength;
byte[] fileContent;
using (FileStream fs = File.OpenRead(resource.Filename))
{
fileLength = (int)fs.Length;
fileContent = new byte[fileLength];
fs.Read(fileContent, 0, fileLength);
}
// Update the resources to include this file's data
string dataName = string.Format(CultureInfo.InvariantCulture, "FILEDATA{0}", index);
if (!NativeMethods.UpdateResourceW(hUpdate, (IntPtr)42, dataName, 0, fileContent, fileLength))
{
results.AddMessage(BuildMessage.CreateMessage(BuildMessageSeverity.Error, "GenerateBootstrapper.General",
$"Unable to update data resource for {filename} with error {Marshal.GetHRForLastWin32Error():X}"));
return(false);
}
// Add this file's key to the resources
string keyName = string.Format(CultureInfo.InvariantCulture, "FILEKEY{0}", index);
byte[] data = StringToByteArray(resource.Key);
if (!NativeMethods.UpdateResourceW(hUpdate, (IntPtr)42, keyName, 0, data, data.Length))
{
results.AddMessage(BuildMessage.CreateMessage(BuildMessageSeverity.Error, "GenerateBootstrapper.General",
$"Unable to update key resource for {filename} with error {Marshal.GetHRForLastWin32Error():X}"));
return(false);
}
index++;
}
}
}
}
finally
{
if (endUpdate && !NativeMethods.EndUpdateResource(hUpdate, false))
{
results.AddMessage(BuildMessage.CreateMessage(BuildMessageSeverity.Error, "GenerateBootstrapper.General",
$"Unable to finish updating resource for {filename} with error {Marshal.GetHRForLastWin32Error():X}"));
returnValue = false;
}
}
return(returnValue);
}