private void OnReceived(WriteBehavior behavior, string data)
{
if (behavior == WriteBehavior.None)
{
return;
}
var callback = Received;
if (callback != null)
{
JObject result = JObject.Parse(data);
string dataValue = result["data"].Type == JTokenType.Null
? null
: result["data"].ToString();
var args =
new FirebaseEventReceivedEventArgs(new FirebaseMessage(behavior,
new FirebasePath(result["path"].ToString()),
dataValue,
null,
MessageSouce.Remote));
callback(this, args);
}
}
public FirebaseMessage(WriteBehavior behavior, FirebasePath path, string value, FirebasePriority priority,
FirebaseStatusCallback callback, MessageSouce source)
{
Behavior = behavior;
Path = path;
Value = value;
Callback = callback;
Priority = priority;
Source = source;
}
public FirebaseMessage(WriteBehavior behavior, FirebasePath path, string value, FirebasePriority priority,
FirebaseStatusCallback callback, MessageSouce source)
{
Behavior = behavior;
Path = path;
Value = value;
Callback = callback;
Priority = priority;
Source = source;
}
void IUtf8JsonSerializable.Write(Utf8JsonWriter writer)
{
writer.WriteStartObject();
writer.WritePropertyName("writeBehavior");
writer.WriteStringValue(WriteBehavior.ToString());
if (Optional.IsDefined(IgnoreNullValues))
{
writer.WritePropertyName("ignoreNullValues");
writer.WriteObjectValue(IgnoreNullValues);
}
if (Optional.IsDefined(AlternateKeyName))
{
writer.WritePropertyName("alternateKeyName");
writer.WriteObjectValue(AlternateKeyName);
}
writer.WritePropertyName("type");
writer.WriteStringValue(Type);
if (Optional.IsDefined(WriteBatchSize))
{
writer.WritePropertyName("writeBatchSize");
writer.WriteObjectValue(WriteBatchSize);
}
if (Optional.IsDefined(WriteBatchTimeout))
{
writer.WritePropertyName("writeBatchTimeout");
writer.WriteObjectValue(WriteBatchTimeout);
}
if (Optional.IsDefined(SinkRetryCount))
{
writer.WritePropertyName("sinkRetryCount");
writer.WriteObjectValue(SinkRetryCount);
}
if (Optional.IsDefined(SinkRetryWait))
{
writer.WritePropertyName("sinkRetryWait");
writer.WriteObjectValue(SinkRetryWait);
}
if (Optional.IsDefined(MaxConcurrentConnections))
{
writer.WritePropertyName("maxConcurrentConnections");
writer.WriteObjectValue(MaxConcurrentConnections);
}
foreach (var item in AdditionalProperties)
{
writer.WritePropertyName(item.Key);
writer.WriteObjectValue(item.Value);
}
writer.WriteEndObject();
}
private void OnReceived(WriteBehavior behavior, string data)
{
if (behavior == WriteBehavior.None)
{
return;
}
var callback = Received;
if (callback != null)
{
JObject result = JObject.Parse(data);
string dataValue = result["data"].Type == JTokenType.Null
? null
: result["data"].ToString();
var args =
new FirebaseEventReceivedEventArgs(new FirebaseMessage(behavior,
new FirebasePath(result["path"].ToString()),
dataValue,
null,
MessageSouce.Remote));
callback(this, args);
}
}
private async void ReceiveThread(CancellationToken cancel)
{
try
{
while (true)
{
cancel.ThrowIfCancellationRequested();
var uri = GetUri(new FirebasePath());
HttpRequestMessage request = new HttpRequestMessage(HttpMethod.Get, uri);
request.Headers.Accept.Add(new MediaTypeWithQualityHeaderValue("text/event-stream"));
var response =
await
_client.SendAsync(request, HttpCompletionOption.ResponseHeadersRead, cancel)
.ConfigureAwait(false);
response.EnsureSuccessStatusCode();
using (
var stream =
await response.Content.ReadAsStreamAsync().WithCancellation(cancel).ConfigureAwait(false))
using (var reader = new StreamReader(stream))
{
WriteBehavior behavior = WriteBehavior.None;
while (true)
{
cancel.ThrowIfCancellationRequested();
var line = await reader.ReadLineAsync().WithCancellation(cancel).ConfigureAwait(false);
if (line == null)
{
continue;
}
Debug.WriteLine("RECV: {0}", line);
if (line.StartsWith("event:"))
{
string eventName = line.Substring(6).Trim();
switch (eventName)
{
case "cancel":
case "auth_revoked":
case "keep-alive":
OnReceived(WriteBehavior.None, null);
behavior = WriteBehavior.None;
break;
case "put":
behavior = WriteBehavior.Replace;
break;
case "patch":
behavior = WriteBehavior.Merge;
break;
}
}
if (line.StartsWith("data:"))
{
OnReceived(behavior, line.Substring(5).Trim());
behavior = WriteBehavior.None;
}
}
}
}
}
catch (OperationCanceledException)
{
}
}
public FirebaseMessage(WriteBehavior behavior, FirebasePath path, string value, FirebaseStatusCallback callback,
MessageSouce source)
: this(behavior, path, value, null, callback, source)
{
}
public FirebaseMessage(WriteBehavior behavior, FirebasePath path, string value, FirebaseStatusCallback callback,
MessageSouce source)
: this(behavior, path, value, null, callback, source)
{
}
