/**
* Flushes the event buffer.
* The buffer is flushed to an HTTP backend.
* Failing to flush to the HTTP backend, the data will be flushed to a file.
*/
private static async Task FlushBufferThread(string username, List <string> buffer)
{
string bufferLines = "sessiontime(ms);event";
// Read lines from bufferfile first.
DataReporter.ensureBufferFile(BUFFER_FILE);
string[] fileLines = System.IO.File.ReadAllLines(BUFFER_FILE);
bufferLines += "\n" + String.Join("\n", fileLines.Skip(1));
// Add all lines from the in-memory buffer.
lock (buffer) {
foreach (string line in buffer)
{
bufferLines += "\n" + line;
}
buffer.Clear();
}
// Overwrite the buffer file with it's new contents.
System.IO.File.WriteAllText(BUFFER_FILE, bufferLines);
try {
// Try to upload data to server.
string url = string.Format("http://{0}/?app={1}&username={2}", DataReporter.REMOTE_IP, DataReporter.APP_ID, username);
HttpClient client = new HttpClient();
HttpResponseMessage response = await client.PostAsync(url, new ByteArrayContent(Encoding.ASCII.GetBytes(bufferLines)));
response.EnsureSuccessStatusCode();
// Clear the buffer file.
System.IO.File.WriteAllText(BUFFER_FILE, "sessiontime(ms);event");
} catch (Exception e) {
// Ignore all exceptions here, just log them.
Debug.LogError("[DataReporter] Encountered an exception while attempting to upload the data. (" + e.Message + ")");
}
}
