name : proxy_protocol.h #include "my_net.h" struct proxy_peer_info { struct sockaddr_storage peer_addr; int port; bool is_local_command; }; extern bool has_proxy_protocol_header(NET *net); extern int parse_proxy_protocol_header(NET *net, proxy_peer_info *peer_info); extern bool is_proxy_protocol_allowed(const sockaddr *remote_addr); extern int init_proxy_protocol_networks(const char *spec); extern void destroy_proxy_protocol_networks(); extern int set_proxy_protocol_networks(const char *spec); extern bool proxy_protocol_networks_valid(const char *spec);