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refactor(rtps): adopt the new Socket option API (set_receive_buffer_size) #716

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finger563 merged 1 commit into from
Aug 15, 2026
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refactor(rtps): adopt the new Socket option API (set_receive_buffer_size) #716

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6 changes: 1 addition & 5 deletions components/rtps/src/communication/EsppTransport.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -175,11 +175,7 @@ EsppTransport::Channel *EsppTransport::createChannel(Ip4Port_t receivePort, bool
// large (fragmented) sample is not dropped before the reactor drains it.
// Best-effort: some stacks clamp SO_RCVBUF, so failure is ignored. Only
// compiled when fragmentation is enabled (never on the ESP32 default build).
{
int rcvbuf = 4 * 1024 * 1024; // request 4 MB (kernel may clamp)
::setsockopt(channel.socket->native_handle(), SOL_SOCKET, SO_RCVBUF,
reinterpret_cast<const char *>(&rcvbuf), sizeof(rcvbuf));
}
(void)channel.socket->set_receive_buffer_size(4 * 1024 * 1024); // request 4 MB (kernel may clamp)
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#endif

if (!allow_reuse && !channel.socket->disable_reuse()) {
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