[Dhcp-agent-commits] CVS: dhcp-agent dhcp-agent.h,1.52,1.53 dhcp-interface.c,1.15,1.16

[Thamer Al-H. <act...@us...>]

Update of /cvsroot/dhcp-agent/dhcp-agent
In directory usw-pr-cvs1:/tmp/cvs-serv8029

Modified Files:
	dhcp-agent.h dhcp-interface.c 
Log Message:
added routine to dhcp-interface.c to return list of ethernet interfaces which are either not up or do not have an address assigned;

Index: dhcp-agent.h
===================================================================
RCS file: /cvsroot/dhcp-agent/dhcp-agent/dhcp-agent.h,v
retrieving revision 1.52
retrieving revision 1.53
diff -C2 -d -r1.52 -r1.53
*** dhcp-agent.h	8 Jun 2002 06:00:29 -0000	1.52
--- dhcp-agent.h	8 Jun 2002 17:35:02 -0000	1.53
***************
*** 820,823 ****
--- 820,824 ----
  extern void destroy_interface_control(interface_control_t *ic);
  extern int interface_get_ip_addr(interface_control_t *ic, uint32_t *addr);
+ extern list_t *interface_get_available(void);
  
  /* client states */

Index: dhcp-interface.c
===================================================================
RCS file: /cvsroot/dhcp-agent/dhcp-agent/dhcp-interface.c,v
retrieving revision 1.15
retrieving revision 1.16
diff -C2 -d -r1.15 -r1.16
*** dhcp-interface.c	6 Jun 2002 23:59:00 -0000	1.15
--- dhcp-interface.c	8 Jun 2002 17:35:02 -0000	1.16
***************
*** 142,143 ****
--- 142,202 ----
      return 0;
  }
+ 
+ /* utility to get interface list and place it in a list. */
+ 
+ static int list_available_interfaces(const struct intf_entry *entry, void *arg)
+ {
+     list_t **p_list; /* pointer to linked list. */
+     list_t *head; /* head of linked list. */
+     char *intf_name = NULL;
+ 
+     p_list = arg;
+     head = *p_list;
+ 
+     /* 
+      * Check the interface type is ethernet,
+      * is down OR has no IP address assigned to it. 
+      * If it passes then add the name to the list.
+      */
+ 
+     if(entry->intf_type == INTF_TYPE_ETH) {
+ 
+         if(((entry->intf_flags&INTF_FLAG_UP) == 0) /* true if not up. */
+            || (entry->intf_addr.addr_type == ADDR_TYPE_NONE)) /* or true if no address
+                                                                  set. */
+             intf_name = strdup(entry->intf_name);
+     }
+ 
+     if(intf_name != NULL)
+         head = add_to_end_of_list(head, intf_name);
+ 
+     *p_list = head;
+ 
+     return 0;
+ }
+ 
+ list_t *interface_get_available(void)
+ {
+     intf_t *interfaces;
+     list_t *interface_list;
+     list_t **p_list = xmalloc(sizeof(list_t *));
+     *p_list = NULL;
+ 
+     interfaces = intf_open();
+     if(interfaces == NULL) {
+ 
+         error_message("dhcp-interface: interfaces_get_available: could not obtain interface handle: %s\n", strerror(errno)); /* yes it's too long -- need exception stack. */
+ 
+         xfree(p_list);
+         intf_close(interfaces);
+         return NULL;
+     }
+ 
+     intf_loop(interfaces, list_available_interfaces, p_list);
+ 
+     interface_list = *p_list;
+     xfree(p_list);
+     intf_close(interfaces);
+ 
+     return interface_list;
+ }