interfaces-plugin: add IPv4 info loading code

src/interfaces/src/plugin/api/interfaces/interface/ipv4/load.c

@@ -1,68 +1,47 @@
 #include "load.h"
+#include "netlink/route/link.h"
+#include "plugin/data/interfaces/interface.h"
 
-
-int interfaces_add_address_ipv4(interfaces_interface_ipv4_address_element_t **address, char *ip, char *netmask)
+int interfaces_interface_ipv4_load_enabled(interfaces_ctx_t* ctx, interfaces_interface_hash_element_t** element, struct rtnl_link* link)
 {
-    int prefix_length = 0;
     int error = 0;
 
-    interfaces_interface_ipv4_address_element_t* new_element = NULL;
+    // enabled by default
+    SRPC_SAFE_CALL_ERR(error, interfaces_interface_hash_element_set_ipv4_enabled(element, 1), error_out);
 
-    new_element = interfaces_interface_ipv4_address_element_new(); 
+    goto out;
 
-    interfaces_interface_ipv4_address_element_set_ip(&new_element, ip);
-    SRPC_SAFE_CALL_ERR(error, interfaces_interface_ipv4_address_netmask2prefix(netmask, prefix_length), out);
-    interfaces_interface_ipv4_address_element_set_subnet(&new_element, netmask, interfaces_interface_ipv4_address_subnet_prefix_length);
-    interfaces_interface_ipv4_address_add_element(address, new_element);
+error_out:
+    error = -1;
 
 out:
-    return error;
-}
-
-int interfaces_add_neighbor_ipv4(interfaces_interface_ipv4_neighbor_element_t** neighbor, char *dst_addr, char *ll_addr)
-{
-    interfaces_interface_ipv4_neighbor_element_t* new_element = NULL;
 
-    new_element = interfaces_interface_ipv4_neighbor_element_new(); 
-
-    interfaces_interface_ipv4_neighbor_element_set_ip(&new_element, dst_addr);
-    interfaces_interface_ipv4_neighbor_element_set_link_layer_address(&new_element, ll_addr);
-    interfaces_interface_ipv4_neighbor_add_element(neighbor, new_element);
-
-    return 0;
+    return error;
 }
 
-unsigned int interfaces_get_ipv4_mtu(struct rtnl_link* link, interfaces_interface_t* interface)
+int interfaces_interface_ipv4_load_forwarding(interfaces_ctx_t* ctx, interfaces_interface_hash_element_t** element, struct rtnl_link* link)
 {
-    unsigned int mtu = 0;
-
-    mtu = rtnl_link_get_mtu(link);
+    int error = 0;
 
-    interface->ipv4.mtu = mtu;
+    // TODO: implement
 
-    return 0;
+    return error;
 }
 
-unsigned int interfaces_get_ipv4_enabled(interfaces_interface_t* interface)
+int interfaces_interface_ipv4_load_mtu(interfaces_ctx_t* ctx, interfaces_interface_hash_element_t** element, struct rtnl_link* link)
 {
-    const char *ipv4_base = "/proc/sys/net/ipv4/conf";
-
-    /* TODO: figure out how to enable/disable ipv4                                      */
-    /*		 since disable_ipv4 doesn't exist in /proc/sys/net/ipv6/conf/interface_name */
+    int error = 0;
 
-}
+    const unsigned int mtu = rtnl_link_get_mtu(link);
 
-unsigned int interfaces_get_ipv4_forwarding(interfaces_interface_t* interface)
-{
-    int error = 0;
-    int forwarding = 0;
+    SRPC_SAFE_CALL_ERR(error, interfaces_interface_hash_element_set_ipv4_mtu(element, (uint16_t)mtu), error_out);
 
-    const char *ipv4_base = "/proc/sys/net/ipv4/conf";
-
-    SRPC_SAFE_CALL_ERR(error, read_from_proc_file(ipv4_base, interface->name, "forwarding", &forwarding), out);
+    goto out;
 
-    interface->ipv4.forwarding = forwarding;
+error_out:
+    error = -1;
 
 out:
+
     return error;
 }

src/interfaces/src/plugin/api/interfaces/interface/ipv4/load.h

@@ -1,21 +1,13 @@
-#ifndef INTERFACES_PLUGIN_API_INTERFACES_IPV4_LOAD_H
-#define INTERFACES_PLUGIN_API_INTERFACES_IPV4_LOAD_H
+#ifndef INTERFACES_PLUGIN_API_INTERFACES_INTERFACE_IPV4_LOAD_H
+#define INTERFACES_PLUGIN_API_INTERFACES_INTERFACE_IPV4_LOAD_H
 
 #include "plugin/context.h"
 #include "plugin/data/interfaces/interface.h"
 #include "plugin/data/interfaces/interface/linked_list.h"
 #include "plugin/types.h"
 
-int interfaces_add_address_ipv4(interfaces_interface_ipv4_address_element_t **address, char *ip, char *netmask);
-
-int interfaces_add_neighbor_ipv4(interfaces_interface_ipv4_neighbor_element_t** neighbor, char *dst_addr, char *ll_addr);
-
-unsigned int interfaces_get_ipv4_mtu(struct rtnl_link* link, interfaces_interface_t* interface);
-
-unsigned int interfaces_get_ipv4_enabled(interfaces_interface_t* interface);
-
-unsigned int interfaces_get_ipv4_forwarding(interfaces_interface_t* interface);
-
-
-#endif /* INTERFACES_PLUGIN_API_INTERFACES_IPV4_LOAD_H */
+int interfaces_interface_ipv4_load_enabled(interfaces_ctx_t* ctx, interfaces_interface_hash_element_t** element, struct rtnl_link* link);
+int interfaces_interface_ipv4_load_forwarding(interfaces_ctx_t* ctx, interfaces_interface_hash_element_t** element, struct rtnl_link* link);
+int interfaces_interface_ipv4_load_mtu(interfaces_ctx_t* ctx, interfaces_interface_hash_element_t** element, struct rtnl_link* link);
 
+#endif // INTERFACES_PLUGIN_API_INTERFACES_INTERFACE_IPV4_LOAD_H