snmpDiscover.cpp
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- /*_############################################################################
- _##
- _## snmpDiscover.cpp
- _##
- _## SNMP++v3.2.21
- _## -----------------------------------------------
- _## Copyright (c) 2001-2006 Jochen Katz, Frank Fock
- _##
- _## This software is based on SNMP++2.6 from Hewlett Packard:
- _##
- _## Copyright (c) 1996
- _## Hewlett-Packard Company
- _##
- _## ATTENTION: USE OF THIS SOFTWARE IS SUBJECT TO THE FOLLOWING TERMS.
- _## Permission to use, copy, modify, distribute and/or sell this software
- _## and/or its documentation is hereby granted without fee. User agrees
- _## to display the above copyright notice and this license notice in all
- _## copies of the software and any documentation of the software. User
- _## agrees to assume all liability for the use of the software;
- _## Hewlett-Packard and Jochen Katz make no representations about the
- _## suitability of this software for any purpose. It is provided
- _## "AS-IS" without warranty of any kind, either express or implied. User
- _## hereby grants a royalty-free license to any and all derivatives based
- _## upon this software code base.
- _##
- _## Stuttgart, Germany, Fri Jun 16 17:48:57 CEST 2006
- _##
- _##########################################################################*/
- char snmpdiscover_cpp_version[]="@(#) SNMP++ $Id: snmpDiscover.cpp,v 1.8 2005/10/11 18:08:04 katz Exp $";
- #include "snmp_pp/snmp_pp.h"
- #include <stdlib.h>
- #include <stdio.h>
- #ifdef SNMP_PP_NAMESPACE
- using namespace Snmp_pp;
- #endif
- #if (__GNUC__ > 2)
- #include <iostream>
- using std::cerr;
- using std::cout;
- using std::endl;
- using std::flush;
- #else
- #include <iostream.h>
- #endif
- int main(int argc, char **argv)
- {
- //---------[ check the arg count ]----------------------------------------
- if ( argc < 2) {
- cout << "Usage:n";
- cout << argv[0] << " BroadcastIpAddress [options]n";
- cout << "options: -vN , use SNMP version 1, 2 or 3, default is 1n";
- cout << " -PPort , remote port to usen";
- cout << " -CCommunity_name, specify community default is 'public' n";
- cout << " -rN , retries default is N = 1 retryn";
- cout << " -tN , timeout in hundredths of seconds; default is N = 100n";
- return 1;
- }
- Snmp::socket_startup(); // Initialize socket subsystem
- //---------[ make a GenAddress and Oid object to retrieve ]---------------
- UdpAddress address( argv[1]); // make a SNMP++ Generic address
- if ( !address.valid()) { // check validity of address
- cout << "Invalid Address or DNS Name, " << argv[1] << "n";
- return 1;
- }
- Oid oid("1.3.6.1.2.1.1.1.0"); // default is sysDescr
- //---------[ determine options to use ]-----------------------------------
- snmp_version version=version1; // default is v1
- int retries=1; // default retries is 1
- int timeout=100; // default is 1 second
- u_short port=161; // default snmp port is 161
- OctetStr community("public"); // community name
- #ifdef _SNMPv3
- v3MP *v3_MP;
- #endif
- char *ptr;
- for(int x=1;x<argc;x++) { // parse for version
- if ( strstr( argv[x],"-v2")!= 0) {
- version = version2c;
- continue;
- }
- if ( strstr( argv[x],"-r")!= 0) { // parse for retries
- ptr = argv[x]; ptr++; ptr++;
- retries = atoi(ptr);
- if (( retries<0)|| (retries>5)) retries=1;
- continue;
- }
- if ( strstr( argv[x], "-t")!=0) { // parse for timeout
- ptr = argv[x]; ptr++; ptr++;
- timeout = atoi( ptr);
- if (( timeout < 100)||( timeout>500)) timeout=100;
- continue;
- }
- if ( strstr( argv[x],"-C")!=0) {
- ptr = argv[x]; ptr++; ptr++;
- community = ptr;
- continue;
- }
- if ( strstr( argv[x],"-P")!=0) {
- ptr = argv[x]; ptr++; ptr++;
- sscanf(ptr, "%hu", &port);
- continue;
- }
- #ifdef _SNMPv3
- if ( strstr( argv[x],"-v3")!= 0) {
- version = version3;
- continue;
- }
- #endif
- }
- //----------[ create a SNMP++ session ]-----------------------------------
- int status;
- // bind to any port and use IPv6 if needed
- Snmp snmp(status, 0, (address.get_ip_version() == Address::version_ipv6));
- if ( status != SNMP_CLASS_SUCCESS) {
- cout << "SNMP++ Session Create Fail, " << snmp.error_msg(status) << "n";
- return 1;
- }
- //---------[ init SnmpV3 ]--------------------------------------------
- #ifdef _SNMPv3
- // MUST create a dummy v3MP object if _SNMPv3 is enabled!
- int construct_status;
- v3_MP = new v3MP("dummy", 0, construct_status);
- #endif
- //--------[ build up SNMP++ object needed ]-------------------------------
- address.set_port(port);
- //-------[ issue the broadcast, blocked mode ]----------------------------
- cout << "SNMP++ broadcast to " << argv[1] << " SNMPV"
- #ifdef _SNMPv3
- << ((version==version3) ? (version) : (version+1))
- #else
- << (version+1)
- #endif
- << " Retries=" << retries
- << " Timeout=" << timeout * 10 <<"ms";
- #ifdef _SNMPv3
- if (version == version3)
- cout << endl;
- else
- #endif
- cout << " Community=" << community.get_printable() << endl << flush;
- UdpAddressCollection addresses;
- // do multiple loops as requested from "retries"
- for (int loops=1; loops<= retries + 1; ++loops)
- {
- status = snmp.broadcast_discovery(addresses,
- (timeout + 99) / 100,
- address, version, &community);
- if (status == SNMP_CLASS_SUCCESS)
- {
- cout << "SNMP++ Success sending broadcast " << loops << "." << endl;
- }
- else
- {
- cout << "SNMP++ Broadcast Error, " << snmp.error_msg( status)
- << " (" << status <<")" << endl;
- }
- }
- // filter out duplicates
- UdpAddressCollection filtered_addrs;
- int dummy_pos;
- for (int n=0; n < addresses.size(); ++n)
- if (filtered_addrs.find(addresses[n], dummy_pos) == FALSE)
- filtered_addrs += addresses[n];
- // print out all addressess
- cout << "Found " << filtered_addrs.size() << " agents." << endl;
- for (int m=0; m < filtered_addrs.size(); ++m)
- cout << "Answer received from: " << filtered_addrs[m].get_printable()
- << endl;
- Snmp::socket_cleanup(); // Shut down socket subsystem
- }