Support for large RPC messages using data streams#1832

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1egoman wants to merge 62 commits intomainfrom

rpc-with-compression-data-streams

Commits on Apr 16, 2026

feat: add client protocol tracking to remote participants
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feat: add client protocol advertisement code, only advertise client protocol "0" for now though
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feat: add initial first implementation pass
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feat: ensure that payload is streamed when compressed, not all buffered in memory at once
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feat: use a data streams transmission approach much closer to what lukas did in the original web example
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fix: add long rpc message to example
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feat: cleanup code and don't create RPCRequest / RPCResponse in data stream path
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fix: make functions into arrow fns to work around `this` being unset
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refactor: break up long if / else if / else chain
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fix: add isCallerStillConnected to ensure that rpc drops responses for rpc calls that take a long time
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fix: adjust copyright headers and remove obsolete rpc exports
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fix: flip around response timeout nan check
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fix: adjust compression / data stream thresholds to not be inclusive
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fix: remove small payload uncompressed path
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refactor: run npm run format
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feat: commit (updated) rpc benchmark
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fix: remove references to "small response", uncompressed payloads are just for legacy cases now
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refactor: move ack code into handleIncomingRpcAck
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refactor: extract all rpc related packet sending code out of the engine and back into the server manager
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feat: add initial rpc client manager / rpc server manager focused tests
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feat: port over all existing rpc tests to call RpcClientManager / RpcServerManager directly
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fix: address tsc warnings
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fix: remove stale throws import
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feat: migrate rpc to use data streams for sending rpc requests
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feat: migrate RpcClientManager / RpcServerManager to not be tightly coupled to RTCEngine
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Commits on Apr 17, 2026