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;
+ }
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