private async Task CloseCoreAsync()
{
try
{
try
{
// Initiate graceful browser close operation but don't await it just yet,
// because we want to ensure chromium process shutdown first.
var browserCloseTask = Connection.IsClosed
? Task.CompletedTask
: Connection.SendAsync("Browser.close", null);
if (ChromiumProcess != null)
{
// Notify chromium process that exit is expected, but should be enforced if it
// doesn't occur withing the close timeout.
var closeTimeout = TimeSpan.FromMilliseconds(CloseTimeout);
await ChromiumProcess.EnsureExitAsync(closeTimeout).ConfigureAwait(false);
}
// Now we can safely await the browser close operation without risking keeping chromium
// process running for indeterminate period.
await browserCloseTask.ConfigureAwait(false);
}
finally
{
Disconnect();
}
}
catch (Exception ex)
{
_logger.LogError(ex, ex.Message);
if (ChromiumProcess != null)
{
await ChromiumProcess.KillAsync().ConfigureAwait(false);
}
}
// Ensure that remaining targets are always marked closed, so that asynchronous page close
// operations on any associated pages don't get blocked.
foreach (var target in TargetsMap.Values)
{
target.CloseTaskWrapper.TrySetResult(false);
}
Closed?.Invoke(this, new EventArgs());
}
private async Task CloseCoreAsync()
{
try
{
try
{
// Initiate graceful browser close operation but don't await it just yet,
// because we want to ensure chromium process shutdown first.
var browserCloseTask = Connection.SendAsync("Browser.close", null);
if (_chromiumProcess != null)
{
// Notify chromium process that exit is expected, but should be enforced if it
// doesn't occur withing the close timeout.
var closeTimeout = TimeSpan.FromMilliseconds(CloseTimeout);
await _chromiumProcess.EnsureExitAsync(closeTimeout).ConfigureAwait(false);
}
// Now we can safely await the browser close operation without risking keeping chromium
// process running for indeterminate period.
await browserCloseTask.ConfigureAwait(false);
}
finally
{
Disconnect();
}
}
catch (Exception ex)
{
_logger.LogError(ex, ex.Message);
if (_chromiumProcess != null)
{
await _chromiumProcess.KillAsync().ConfigureAwait(false);
}
}
Closed?.Invoke(this, new EventArgs());
}
