I am impressed you got it to compile. What compile options did you
use for 5.4?
On 5/30/07, Ward Witt <[EMAIL PROTECTED]> wrote:
> I'm working on a Mac OSX program that controls a video processing
> card. After opening a session reading from the card works flawlessly,
> and the very first set command I send always works, but subsequent
> set commands will work or fail depending on which ones I send.
> One command that sets aspect ratio (an integer 1 through 7) works
> perfectly, yet another that turns on or off a text overlay will only
> work once.
>
> I've enabled the snmp debug messages with a ~/.snmp.conf entry and
> can see that the working packets are 50 bytes long while that ones
> that fail are only 30 bytes.
>
> I've tried using net-snmp 5.4 and get the same behavior as Tiger's
> default 5.2.1
>
> I'm currently opening a session and just chattering away, do I maybe
> need to close and reopen with each set request?
>
> Objective-C code:
>
> -(id) initWithHost:(NSString*) host
> community:(NSString*) community
> {
> if (nil == host || nil == community) return nil;
> self = [super init];
> if (nil == self) return nil;
>
> init_snmp("SNMP-Test-Cocoa");
> struct snmp_session s;
> snmp_sess_init(&s);
> s.version = SNMP_VERSION_2c;
> s.community = (u_char*)strdup([community UTF8String]);
> s.community_len = strlen((char*)s.community);
> s.peername = strdup([host UTF8String]);
> session = snmp_open(&s);
> if (NULL == session) {
> [self release];
> return nil;
> }
> return self;
> }
>
>
> -(void) setOidIntValue:(NSString *)objectIdString value:(int)intVal
> {
> if (NULL == session) exit;
> size_t length = MAX_OID_LEN;
> oid objectid[MAX_OID_LEN];
> read_objid([objectIdString UTF8String], objectid, &length);
>
> struct snmp_pdu *pdu = snmp_pdu_create(SNMP_MSG_SET);
> char value = intVal + 0x30;
> snmp_add_var(pdu, objectid, length, 'i', &intVal);
> struct snmp_pdu *response = NULL;
>
> int status = snmp_synch_response(session, pdu, &response);
> if (status == STAT_SUCCESS)
> if (response->errstat != SNMP_ERR_NOERROR)
> NSLog(@"Error in SNMP Packet");
> if (response)
> {
> snmp_free_pdu(response);
> }
> }
>
>
> Ward Witt
> The Filmworkers Club
>
>
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