gRPC for chat application, is it possible? How to do message broking for users

[Constantine]

Hi :)

I recently learnt about gRPC and I really like to do a toy example with it. As the old RPC chat programs, is it possible to write a chat application that uses gRPC ?

I tried to do it but there is a problem with it that I couldn't figure it out:
How to push data from the server to a client?(in the time that the server needs to send a new message from sender to receiver)

I really appreciate if you help me or give a lead to follow :)
thank you :)

[Christian Rivasseau]

Hi,

I'd suggest that each client sends a request to a grpc endpoint that's annotated with stream response and then the server can hang on to the stream (for instance in a user id -> stream map) and push messages to it.

Take a look at the streaming examples for your language.

Christian

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Christian Rivasseau
Co-founder and CTO @ Lefty
+33 6 67 35 26 74