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Re-enable TCP nodelay for ESP32 (#2390)
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parent
46b4c970d1
commit
9bf72ff05f
2 changed files with 30 additions and 12 deletions
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@ -126,6 +126,14 @@ APIError APINoiseFrameHelper::init() {
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return APIError::TCP_NONBLOCKING_FAILED;
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}
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int enable = 1;
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err = socket_->setsockopt(IPPROTO_TCP, TCP_NODELAY, &enable, sizeof(int));
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if (err != 0) {
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state_ = State::FAILED;
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HELPER_LOG("Setting nodelay failed with errno %d", errno);
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return APIError::TCP_NODELAY_FAILED;
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}
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// init prologue
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prologue_.insert(prologue_.end(), PROLOGUE_INIT, PROLOGUE_INIT + strlen(PROLOGUE_INIT));
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@ -721,6 +729,13 @@ APIError APIPlaintextFrameHelper::init() {
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HELPER_LOG("Setting nonblocking failed with errno %d", errno);
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return APIError::TCP_NONBLOCKING_FAILED;
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}
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int enable = 1;
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err = socket_->setsockopt(IPPROTO_TCP, TCP_NODELAY, &enable, sizeof(int));
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if (err != 0) {
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state_ = State::FAILED;
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HELPER_LOG("Setting nodelay failed with errno %d", errno);
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return APIError::TCP_NODELAY_FAILED;
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}
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state_ = State::DATA;
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return APIError::OK;
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@ -256,7 +256,7 @@ class LWIPRawImpl : public Socket {
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errno = EINVAL;
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return -1;
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}
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*reinterpret_cast<int *>(optval) = tcp_nagle_disabled(pcb_);
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*reinterpret_cast<int *>(optval) = nodelay_;
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*optlen = 4;
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return 0;
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}
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@ -285,11 +285,7 @@ class LWIPRawImpl : public Socket {
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return -1;
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}
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int val = *reinterpret_cast<const int *>(optval);
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if (val != 0) {
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tcp_nagle_disable(pcb_);
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} else {
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tcp_nagle_enable(pcb_);
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}
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nodelay_ = val;
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return 0;
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}
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@ -443,9 +439,11 @@ class LWIPRawImpl : public Socket {
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if (written == 0)
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// no need to output if nothing written
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return 0;
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int err = internal_output();
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if (err == -1)
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return -1;
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if (nodelay_) {
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int err = internal_output();
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if (err == -1)
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return -1;
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}
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return written;
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}
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ssize_t writev(const struct iovec *iov, int iovcnt) override {
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@ -465,9 +463,11 @@ class LWIPRawImpl : public Socket {
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if (written == 0)
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// no need to output if nothing written
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return 0;
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int err = internal_output();
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if (err == -1)
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return -1;
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if (nodelay_) {
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int err = internal_output();
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if (err == -1)
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return -1;
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}
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return written;
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}
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int setblocking(bool blocking) override {
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@ -549,6 +549,9 @@ class LWIPRawImpl : public Socket {
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bool rx_closed_ = false;
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pbuf *rx_buf_ = nullptr;
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size_t rx_buf_offset_ = 0;
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// don't use lwip nodelay flag, it sometimes causes reconnect
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// instead use it for determining whether to call lwip_output
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bool nodelay_ = false;
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};
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std::unique_ptr<Socket> socket(int domain, int type, int protocol) {
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