public async Task <List <SignalServiceEnvelope> > RetrieveMessagesAsync(IMessagePipeCallback callback, CancellationToken?token = null)
{
if (token == null)
{
token = CancellationToken.None;
}
List <SignalServiceEnvelope> results = new List <SignalServiceEnvelope>();
List <SignalServiceEnvelopeEntity> entities = await socket.GetMessagesAsync(token);
foreach (SignalServiceEnvelopeEntity entity in entities)
{
SignalServiceEnvelope envelope;
if (entity.HasSource() && entity.SourceDevice > 0)
{
SignalServiceAddress address = new SignalServiceAddress(UuidUtil.ParseOrNull(entity.SourceUuid), entity.SourceE164);
envelope = new SignalServiceEnvelope((int)entity.Type, address,
(int)entity.SourceDevice, (int)entity.Timestamp,
entity.Message, entity.Content,
entity.ServerTimestamp, entity.ServerUuid);
}
else
{
envelope = new SignalServiceEnvelope((int)entity.Type, (int)entity.Timestamp,
entity.Message, entity.Content,
entity.ServerTimestamp, entity.ServerUuid);
}
await callback.OnMessageAsync(envelope);
results.Add(envelope);
if (envelope.HasUuid())
{
await socket.AcknowledgeMessageAsync(envelope.GetUuid(), token);
}
else
{
await socket.AcknowledgeMessageAsync(entity.SourceE164 !, entity.Timestamp, token);
}
}
return(results);
}
