#ifndef BANBAN_NET_DIAG_PROBE_H
#define BANBAN_NET_DIAG_PROBE_H
/* Transport failures are distinct from local setup/resource failures. */
enum { PROBE_OK, PROBE_DNS, PROBE_LOCAL, PROBE_CONNECT, PROBE_TIMEOUT, PROBE_CANCELLED };
typedef struct {
    int outcome, error, dns_result, tcp_started;
    unsigned long dns_ms, tcp_ms;
    char address[48];
} net_probe_result;
void net_diag_probe(const char *host, unsigned short port, net_probe_result *result);
#endif