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[api] Optimize single vector writes to use write() instead of writev()

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This commit is contained in:
J. Nick Koston
2025-08-11 14:52:41 -05:00
parent 45b88f2da9
commit 04415211e6
1 changed files with 3 additions and 1 deletions
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4
esphome/components/api/api_frame_helper.cpp
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@@ -156,7 +156,9 @@ APIError APIFrameHelper::write_raw_(const struct iovec *iov, int iovcnt, uint16_
}
// Try to send directly if no buffered data
ssize_t sent = this->socket_->writev(iov, iovcnt);
// Optimize for single iovec case (common for plaintext API)
ssize_t sent =
(iovcnt == 1) ? this->socket_->write(iov[0].iov_base, iov[0].iov_len) : this->socket_->writev(iov, iovcnt);
if (sent == -1) {
APIError err = this->handle_socket_write_error_();