/*
    * netifd - network interface daemon
    * Copyright (C) 2012 Felix Fietkau <nbd@openwrt.org>
    *
    * This program is free software; you can redistribute it and/or modify
    * it under the terms of the GNU General Public License version 2
    * as published by the Free Software Foundation
    *
    * This program is distributed in the hope that it will be useful,
   * but WITHOUT ANY WARRANTY; without even the implied warranty of
   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   * GNU General Public License for more details.
   */
  #define SYSTEM_IMPL
  #include <sys/time.h>
  #include <stdio.h>
  #include <string.h>
  
  #include <arpa/inet.h>
  
  #ifndef DEBUG
  #define DEBUG
  #endif
  
  #include "netifd.h"
  #include "device.h"
  #include "system.h"
  
  int system_init(void)
  {
          return 0;
  }
  
  int system_bridge_addbr(struct device *bridge, struct bridge_config *cfg)
  {
          return 0;
  }
  
  int system_bridge_delbr(struct device *bridge)
  {
          return 0;
  }
  
  int system_bridge_addif(struct device *bridge, struct device *dev)
  {
          return 0;
  }
  
  int system_bridge_delif(struct device *bridge, struct device *dev)
  {
          return 0;
  }
  
  int system_bridge_vlan(const char *iface, uint16_t vid, int16_t vid_end, bool add, unsigned int vflags)
  {
          return 0;
  }
  
  void system_bridge_set_stp_state(struct device *dev, bool val)
  {
  }
  
  int system_bridge_vlan_check(struct device *dev, char *ifname)
  {
          return 0;
  }
  
  int system_bonding_set_device(struct device *dev, struct bonding_config *cfg)
  {
          return 0;
  }
  
  int system_bonding_set_port(struct device *dev, struct device *port, bool add, bool primary)
  {
          return 0;
  }
  
  int system_link_netns_move(struct device *dev, int netns_fd, const char *target_ifname)
  {
          D(SYSTEM, "ip link set %s name %s netns %d", dev->ifname, target_ifname, netns_fd);
          return 0;
  }
  
  int system_netns_open(const pid_t target_ns)
  {
          D(SYSTEM, "open netns of pid %d", target_ns);
          return 1;
  }
  
  int system_netns_set(int netns_fd)
  {
          D(SYSTEM, "set netns %d", netns_fd);
          return 0;
  }
  
  int system_vlan_add(struct device *dev, int id)
  {
          D(SYSTEM, "vconfig add %s %d", dev->ifname, id);
          return 0;
 }
 
 int system_vlan_del(struct device *dev)
 {
         D(SYSTEM, "vconfig rem %s", dev->ifname);
         return 0;
 }
 
 bool system_if_force_external(const char *ifname)
 {
         return false;
 }
 
 int system_if_up(struct device *dev)
 {
         D(SYSTEM, "ifconfig %s up", dev->ifname);
         return 0;
 }
 
 int system_if_down(struct device *dev)
 {
         D(SYSTEM, "ifconfig %s down", dev->ifname);
         return 0;
 }
 
 void system_if_get_settings(struct device *dev, struct device_settings *s)
 {
 }
 
 void system_if_clear_state(struct device *dev)
 {
         device_set_ifindex(dev, system_if_resolve(dev));
 }
 
 int system_if_check(struct device *dev)
 {
         if (dev->type == &simple_device_type)
                 device_set_present(dev, true);
 
         device_set_link(dev, true);
 
         return 0;
 }
 
 int system_if_resolve(struct device *dev)
 {
         return 1;
 }
 
 struct device *
 system_if_get_parent(struct device *dev)
 {
         return NULL;
 }
 
 int
 system_if_dump_info(struct device *dev, struct blob_buf *b)
 {
         blobmsg_add_u8(b, "link", dev->present);
         return 0;
 }
 
 int
 system_if_dump_stats(struct device *dev, struct blob_buf *b)
 {
         return 0;
 }
 
 void
 system_if_apply_settings(struct device *dev, struct device_settings *s, uint64_t apply_mask)
 {
         apply_mask &= s->flags;
 
         if ((apply_mask & (DEV_OPT_MACADDR | DEV_OPT_DEFAULT_MACADDR)) && !dev->external) {
                 D(SYSTEM, "ifconfig %s hw ether %s",
                   dev->ifname, format_macaddr(s->macaddr));
         }
 }
 
 void system_if_apply_settings_after_up(struct device *dev, struct device_settings *s)
 {
 }
 
 static int system_address_msg(struct device *dev, struct device_addr *addr, const char *type)
 {
         char ipaddr[64];
         int af = system_get_addr_family(addr->flags);
 
         D(SYSTEM, "ifconfig %s %s %s/%u",
                 dev->ifname, type, inet_ntop(af, &addr->addr.in, ipaddr, sizeof(ipaddr)),
                 addr->mask);
 
         return 0;
 }
 
 int system_add_address(struct device *dev, struct device_addr *addr)
 {
         return system_address_msg(dev, addr, "add");
 }
 
 int system_del_address(struct device *dev, struct device_addr *addr)
 {
         return system_address_msg(dev, addr, "del");
 }
 
 static int system_route_msg(struct device *dev, struct device_route *route, const char *type)
 {
         char addr[64], gw[64] = " gw ", devstr[64] = "";
         int af = system_get_addr_family(route->flags);
         int alen = system_get_addr_len(route->flags);
         static uint32_t zero_addr[4];
 
         if ((route->flags & DEVADDR_FAMILY) != DEVADDR_INET4)
                 return -1;
 
         if (!route->mask)
                 sprintf(addr, "default");
         else
                 inet_ntop(af, &route->addr.in, addr, sizeof(addr));
 
         if (memcmp(&route->nexthop.in, (void *) zero_addr, alen) != 0)
                 inet_ntop(af, &route->nexthop.in, gw + 4, sizeof(gw) - 4);
         else
                 gw[0] = 0;
 
         if (dev)
                 sprintf(devstr, " dev %s", dev->ifname);
 
         if (route->metric > 0)
                 sprintf(devstr, " metric %d", route->metric);
 
         D(SYSTEM, "route %s %s%s%s", type, addr, gw, devstr);
         return 0;
 }
 
 static int system_neighbor_msg(struct device *dev, struct device_neighbor *neighbor, const char *type)
 {
         char addr[64];
         int af = system_get_addr_family(neighbor->flags);
         inet_ntop(af, &neighbor->addr.in , addr, sizeof(addr));
 
         D(SYSTEM, "neigh %s %s%s%s %s", type, addr, neighbor->proxy ? "proxy " : "",
                 (neighbor->flags & DEVNEIGH_MAC) ? format_macaddr(neighbor->macaddr) : "",
                 neighbor->router ? "router": "");
         return 0;
 }
 
 int system_add_neighbor(struct device *dev, struct device_neighbor *neighbor)
 {
         return system_neighbor_msg(dev, neighbor, "add");
 }
 
 int system_del_neighbor(struct device *dev, struct device_neighbor *neighbor)
 {
         return system_neighbor_msg(dev, neighbor, "del");
 }
 
 int system_add_route(struct device *dev, struct device_route *route)
 {
         return system_route_msg(dev, route, "add");
 }
 
 int system_del_route(struct device *dev, struct device_route *route)
 {
         return system_route_msg(dev, route, "del");
 }
 
 int system_flush_routes(void)
 {
         return 0;
 }
 
 bool system_resolve_rt_type(const char *type, unsigned int *id)
 {
         *id = 0;
         return true;
 }
 
 bool system_resolve_rt_proto(const char *type, unsigned int *id)
 {
         *id = 0;
         return true;
 }
 
 bool system_resolve_rt_table(const char *name, unsigned int *id)
 {
         *id = 0;
         return true;
 }
 
 bool system_is_default_rt_table(unsigned int id)
 {
         return true;
 }
 
 bool system_resolve_rpfilter(const char *filter, unsigned int *id)
 {
         *id = 0;
         return true;
 }
 
 int system_add_iprule(struct iprule *rule)
 {
         return 0;
 }
 
 int system_del_iprule(struct iprule *rule)
 {
         return 0;
 }
 
 int system_flush_iprules(void)
 {
         return 0;
 }
 
 bool system_resolve_iprule_ipproto(const char *name, unsigned int *id)
 {
         *id = 0;
         return true;
 }
 
 bool system_resolve_iprule_action(const char *action, unsigned int *id)
 {
         *id = 0;
         return true;
 }
 
 time_t system_get_rtime(void)
 {
         struct timeval tv;
 
         if (gettimeofday(&tv, NULL) == 0)
                 return tv.tv_sec;
 
         return 0;
 }
 
 int system_del_ip_tunnel(const struct device *dev)
 {
         return 0;
 }
 
 int system_add_ip_tunnel(const struct device *dev, struct blob_attr *attr)
 {
         return 0;
 }
 
 int system_update_ipv6_mtu(struct device *dev, int mtu)
 {
         return 0;
 }
 
 int system_macvlan_add(struct device *macvlan, struct device *dev, struct macvlan_config *cfg)
 {
         return 0;
 }
 
 int system_macvlan_del(struct device *macvlan)
 {
         return 0;
 }
 
 int system_veth_add(struct device *veth, struct veth_config *cfg)
 {
         return 0;
 }
 
 int system_veth_del(struct device *veth)
 {
         return 0;
 }
 
 int system_vlandev_add(struct device *vlandev, struct device *dev, struct vlandev_config *cfg)
 {
         return 0;
 }
 
 int system_vlandev_del(struct device *vlandev)
 {
         return 0;
 }
 
 int system_vrf_addvrf(struct device *vrf, unsigned int table)
 {
         return 0;
 }
 
 int system_vrf_delvrf(struct device *vrf)
 {
         return 0;
 }
 
 int system_vrf_addif(struct device *vrf, struct device *dev)
 {
         return 0;
 }
 
 int system_vrf_delif(struct device *vrf, struct device *dev)
 {
         return 0;
 }
 
 void system_tcp_l3mdev(bool enable)
 {
 }
 
 void system_udp_l3mdev(bool enable)
 {
 }
 

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