udp-echo-server: Send the echo response when socket is writable #8
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Instead of calling sendto() directly from the udp_cb callback (which is called when a new packet is received), prepare a response and tell libev to call our udp_response_cb callback when the socket is writable. This also removes all the global variables.
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Instead of calling
sendto()directly from theudp_cbcallback (which is called when a new packet is received), prepare a response and tell libev to call ourudp_response_cbcallback when the socket is writable.This also removes all the global variables.