problem with omapi

[syhshanda]

Greetings to the community!
Recently, I came cross the same problem, can anyone give some advice to me?
I'd really appreciate your help. Thanks for your time!!
Best Regards,
Bob


在2009-12-22 14:58:22，"劲草 " <brilliant_er at yahoo.cn> 写道：

Hi,
My version of dhcpd is 4.0.2b3.The OS is fedora-10 and environment of programming is 
NetBeans-6.5.1. I use the following code to link dhcpd:

?#include <stdarg.h>
 #include <sys/time.h>
 #include <sys/socket.h>
 #include <stdio.h>
 #include <netinet/in.h>

 #include <isc-dhcp/result.h>
 #include <dhcpctl/dhcpctl.h>

int main (int argc, char **argv) {  
    dhcpctl_data_string ipaddrstring = NULL;
    dhcpctl_data_string value = NULL;
    dhcpctl_handle connection = NULL;
    dhcpctl_handle lease = NULL;
    isc_result_t waitstatus;
    struct in_addr convaddr;
    time_t thetime;     

  dhcpctl_initialize ();  

  /* get connection with server */
  dhcpctl_connect (&connection,
"211.87.239.28",7911, 0);

  /* create a lease object */
  dhcpctl_new_object (&lease, connection,"lease");

  memset (&ipaddrstring, 0, sizeof ipaddrstring);

  inet_pton(AF_INET, "211.87.239.238",&convaddr);

  /* allocates a new dhcpctl_data_string object*/
  omapi_data_string_new (&ipaddrstring,4, MDL);

  memcpy(ipaddrstring->value, &convaddr.s_addr, 4);

  dhcpctl_set_value (lease, ipaddrstring,"ip-address");

  dhcpctl_open_object (lease, connection, 0);

  /* wait for response from server */
  dhcpctl_wait_for_completion (lease,&waitstatus);

  if (waitstatus != ISC_R_SUCCESS) {
    /* server not authoritative */   
    printf ( "Not successful ! \n");    
    //exit (0);
    }

  // deallocates a data string created by omapi_data_string_new()
 dhcpctl_data_string_dereference(&ipaddrstring,MDL);

 // extracts a value of an attribute from the handle
 dhcpctl_get_value (&value, lease, "ends");

 memcpy(&thetime, value->value, value->len);

 dhcpctl_data_string_dereference(&value, MDL);

 fprintf (stdout, "ending time is %s",ctime(&thetime));
}

In the dhcpd.leases file,the IP 211.87.239.238 detail info is following:
lease 211.87.239.238 {
  starts 2 2009/12/08 07:23:44;
  ends 3 2009/12/09 07:23:44;
  tstp 3 2009/12/09 07:23:44;
  cltt 2 2009/12/08 07:23:44;
  binding state free;
  hardware ethernet 00:01:6c:cb:93:e6;
}

Finally, when I run the code,but I get the error end time of lease:
?ending time is Wed Feb 12 23:26:35 1902

Thanks for you help!
Best Regards,
John






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