const char *pga_details(const PgAddr *a, char *dst, int dstlen)
{
char buf[PGADDR_BUF];
pga_ntop(a, buf, sizeof(buf));
if (pga_family(a) == AF_INET6)
snprintf(dst, dstlen, "[%s]:%d", buf, pga_port(a));
else if (pga_family(a) == AF_UNIX && a->scred.pid)
snprintf(dst, dstlen, "%s(%u@%s):%d", buf, a->scred.pid, cached_hostname(), pga_port(a));
else
snprintf(dst, dstlen, "%s:%d", buf, pga_port(a));
return dst;
}
const char *pga_str(const PgAddr *a, char *dst, int dstlen)
{
char buf[PGADDR_BUF];
pga_ntop(a, buf, sizeof(buf));
if (pga_family(a) == AF_INET6)
snprintf(dst, dstlen, "[%s]:%d", buf, pga_port(a));
else if (pga_family(a) == AF_UNIX && a->scred.pid)
snprintf(dst, dstlen, "%s:%d$%u", buf, pga_port(a), a->scred.pid);
else
snprintf(dst, dstlen, "%s:%d", buf, pga_port(a));
return dst;
}
/* convert pgaddr to string */
const char *pga_ntop(const PgAddr *a, char *dst, int dstlen)
{
const char *res = NULL;
char buf[PGADDR_BUF];
memset(buf, 0, sizeof(buf));
switch (pga_family(a)) {
case AF_UNIX:
res = "unix";
break;
case AF_INET:
res = inet_ntop(AF_INET, &a->sin.sin_addr, buf, sizeof(buf));
break;
case AF_INET6:
res = inet_ntop(AF_INET6, &a->sin6.sin6_addr, buf, sizeof(buf));
break;
default:
res = "(bad-af)";
}
if (res == NULL)
res = "(err-ntop)";
strlcpy(dst, res, dstlen);
return dst;
}
int pga_cmp_addr(const PgAddr *a, const PgAddr *b)
{
if (pga_family(a) != pga_family(b))
return pga_family(a) - pga_family(b);
switch (pga_family(a)) {
case AF_INET:
return memcmp(&a->sin.sin_addr, &b->sin.sin_addr, sizeof(a->sin.sin_addr));
break;
case AF_INET6:
return memcmp(&a->sin6.sin6_addr, &b->sin6.sin6_addr, sizeof(a->sin6.sin6_addr));
break;
default:
log_error("pga_cmp_addr: unsupported family");
return 0;
}
}
int log_socket_prefix(enum LogLevel lev, void *ctx, char *dst, unsigned int dstlen)
{
const struct PgSocket *sock = ctx;
const char *user, *db, *host;
char host6[PGADDR_BUF];
int port;
char stype;
/* no prefix */
if (!sock)
return 0;
/* format prefix */
stype = is_server_socket(sock) ? 'S' : 'C';
port = pga_port(&sock->remote_addr);
db = sock->pool ? sock->pool->db->name : "(nodb)";
user = sock->auth_user ? sock->auth_user->name : "(nouser)";
if (pga_is_unix(&sock->remote_addr)) {
unsigned long pid = sock->remote_addr.scred.pid;
if (pid) {
snprintf(host6, sizeof(host6), "unix(%lu)", pid);
host = host6;
} else {
host = "unix";
}
} else {
host = pga_ntop(&sock->remote_addr, host6, sizeof(host6));
}
if (pga_family(&sock->remote_addr) == AF_INET6) {
return snprintf(dst, dstlen, "%c-%p: %s/%s@[%s]:%d ",
stype, sock, db, user, host, port);
} else {
return snprintf(dst, dstlen, "%c-%p: %s/%s@%s:%d ",
stype, sock, db, user, host, port);
}
}