int /* O - Number of OIDs found or -1 on error */
_cupsSNMPWalk(int fd, /* I - SNMP socket */
http_addr_t *address, /* I - Address to query */
int version, /* I - SNMP version */
const char *community,/* I - Community name */
const int *prefix, /* I - OID prefix */
double timeout, /* I - Timeout for each response in seconds */
cups_snmp_cb_t cb, /* I - Function to call for each response */
void *data) /* I - User data pointer that is passed to the callback function */
{
int count = 0; /* Number of OIDs found */
int request_id = 0; /* Current request ID */
cups_snmp_t packet; /* Current response packet */
int lastoid[CUPS_SNMP_MAX_OID];
/* Last OID we got */
/*
* Range check input...
*/
DEBUG_printf(("4_cupsSNMPWalk(fd=%d, address=%p, version=%d, "
"community=\"%s\", prefix=%p, timeout=%.1f, cb=%p, data=%p)",
fd, address, version, community, prefix, timeout, cb, data));
if (fd < 0 || !address || version != CUPS_SNMP_VERSION_1 || !community ||
!prefix || !cb)
{
DEBUG_puts("5_cupsSNMPWalk: Returning -1");
return (-1);
}
/*
* Copy the OID prefix and then loop until we have no more OIDs...
*/
_cupsSNMPCopyOID(packet.object_name, prefix, CUPS_SNMP_MAX_OID);
lastoid[0] = -1;
for (;;)
{
request_id ++;
if (!_cupsSNMPWrite(fd, address, version, community,
CUPS_ASN1_GET_NEXT_REQUEST, request_id,
packet.object_name))
{
DEBUG_puts("5_cupsSNMPWalk: Returning -1");
return (-1);
}
if (!_cupsSNMPRead(fd, &packet, timeout))
{
DEBUG_puts("5_cupsSNMPWalk: Returning -1");
return (-1);
}
if (!_cupsSNMPIsOIDPrefixed(&packet, prefix) ||
_cupsSNMPIsOID(&packet, lastoid))
{
DEBUG_printf(("5_cupsSNMPWalk: Returning %d", count));
return (count);
}
if (packet.error || packet.error_status)
{
DEBUG_printf(("5_cupsSNMPWalk: Returning %d", count > 0 ? count : -1));
return (count > 0 ? count : -1);
}
_cupsSNMPCopyOID(lastoid, packet.object_name, CUPS_SNMP_MAX_OID);
count ++;
(*cb)(&packet, data);
}
}
static int /* O - 1 on success, 0 on error */
show_oid(int fd, /* I - SNMP socket */
const char *community, /* I - Community name */
http_addr_t *addr, /* I - Address to query */
const char *s, /* I - OID to query */
int walk) /* I - Walk OIDs? */
{
int i; /* Looping var */
int oid[CUPS_SNMP_MAX_OID]; /* OID */
cups_snmp_t packet; /* SNMP packet */
char temp[1024]; /* Temporary OID string */
if (!_cupsSNMPStringToOID(s, oid, sizeof(oid) / sizeof(oid[0])))
{
puts("testsnmp: Bad OID");
return (0);
}
if (walk)
{
printf("_cupsSNMPWalk(%s): ", _cupsSNMPOIDToString(oid, temp, sizeof(temp)));
if (_cupsSNMPWalk(fd, addr, CUPS_SNMP_VERSION_1, community, oid, 5.0,
print_packet, NULL) < 0)
{
printf("FAIL (%s)\n", strerror(errno));
return (0);
}
}
else
{
printf("_cupsSNMPWrite(%s): ", _cupsSNMPOIDToString(oid, temp, sizeof(temp)));
if (!_cupsSNMPWrite(fd, addr, CUPS_SNMP_VERSION_1, community,
CUPS_ASN1_GET_REQUEST, 1, oid))
{
printf("FAIL (%s)\n", strerror(errno));
return (0);
}
puts("PASS");
fputs("_cupsSNMPRead(5.0): ", stdout);
if (!_cupsSNMPRead(fd, &packet, 5.0))
{
puts("FAIL (timeout)");
return (0);
}
if (!_cupsSNMPIsOID(&packet, oid))
{
printf("FAIL (bad OID %d", packet.object_name[0]);
for (i = 1; packet.object_name[i] >= 0; i ++)
printf(".%d", packet.object_name[i]);
puts(")");
return (0);
}
if (packet.error)
{
printf("FAIL (%s)\n", packet.error);
return (0);
}
puts("PASS");
print_packet(&packet, NULL);
}
return (1);
}
