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// SPDX-License-Identifier: GPL-2.0-or-later
/* BGP scripting foo
* Copyright (C) 2020 NVIDIA Corporation
* Quentin Young
*/
#include <zebra.h>
#ifdef HAVE_SCRIPTING
#include "bgpd.h"
#include "bgp_script.h"
#include "bgp_debug.h"
#include "bgp_aspath.h"
#include "frratomic.h"
#include "frrscript.h"
void lua_pushpeer(lua_State *L, const struct peer *peer)
{
lua_newtable(L);
lua_pushinteger(L, peer->as);
lua_setfield(L, -2, "remote_as");
lua_pushinteger(L, peer->local_as);
lua_setfield(L, -2, "local_as");
lua_pushinaddr(L, &peer->remote_id);
lua_setfield(L, -2, "remote_id");
lua_pushinaddr(L, &peer->local_id);
lua_setfield(L, -2, "local_id");
lua_pushstring(L, lookup_msg(bgp_status_msg, peer->connection->status,
NULL));
lua_setfield(L, -2, "state");
lua_pushstring(L, peer->desc ? peer->desc : "");
lua_setfield(L, -2, "description");
lua_pushinteger(L, peer->uptime);
lua_setfield(L, -2, "uptime");
lua_pushinteger(L, peer->readtime);
lua_setfield(L, -2, "last_readtime");
lua_pushinteger(L, peer->resettime);
lua_setfield(L, -2, "last_resettime");
lua_pushsockunion(L, peer->su_local);
lua_setfield(L, -2, "local_address");
lua_pushsockunion(L, peer->su_remote);
lua_setfield(L, -2, "remote_address");
lua_pushinteger(L, peer->cap);
lua_setfield(L, -2, "capabilities");
lua_pushinteger(L, peer->flags);
lua_setfield(L, -2, "flags");
lua_pushstring(L, peer->password ? peer->password : "");
lua_setfield(L, -2, "password");
/* Nested tables here */
lua_newtable(L);
{
lua_newtable(L);
{
lua_pushinteger(L, peer->holdtime);
lua_setfield(L, -2, "hold");
lua_pushinteger(L, peer->keepalive);
lua_setfield(L, -2, "keepalive");
lua_pushinteger(L, peer->connect);
lua_setfield(L, -2, "connect");
lua_pushinteger(L, peer->routeadv);
lua_setfield(L, -2, "route_advertisement");
}
lua_setfield(L, -2, "configured");
lua_newtable(L);
{
lua_pushinteger(L, peer->v_holdtime);
lua_setfield(L, -2, "hold");
lua_pushinteger(L, peer->v_keepalive);
lua_setfield(L, -2, "keepalive");
lua_pushinteger(L, peer->v_connect);
lua_setfield(L, -2, "connect");
lua_pushinteger(L, peer->v_routeadv);
lua_setfield(L, -2, "route_advertisement");
}
lua_setfield(L, -2, "negotiated");
}
lua_setfield(L, -2, "timers");
lua_newtable(L);
{
lua_pushinteger(L, atomic_load_explicit(&peer->open_in,
memory_order_relaxed));
lua_setfield(L, -2, "open_in");
lua_pushinteger(L, atomic_load_explicit(&peer->open_out,
memory_order_relaxed));
lua_setfield(L, -2, "open_out");
lua_pushinteger(L, atomic_load_explicit(&peer->update_in,
memory_order_relaxed));
lua_setfield(L, -2, "update_in");
lua_pushinteger(L, atomic_load_explicit(&peer->update_out,
memory_order_relaxed));
lua_setfield(L, -2, "update_out");
lua_pushinteger(L, atomic_load_explicit(&peer->update_time,
memory_order_relaxed));
lua_setfield(L, -2, "update_time");
lua_pushinteger(L, atomic_load_explicit(&peer->keepalive_in,
memory_order_relaxed));
lua_setfield(L, -2, "keepalive_in");
lua_pushinteger(L, atomic_load_explicit(&peer->keepalive_out,
memory_order_relaxed));
lua_setfield(L, -2, "keepalive_out");
lua_pushinteger(L, atomic_load_explicit(&peer->notify_in,
memory_order_relaxed));
lua_setfield(L, -2, "notify_in");
lua_pushinteger(L, atomic_load_explicit(&peer->notify_out,
memory_order_relaxed));
lua_setfield(L, -2, "notify_out");
lua_pushinteger(L, atomic_load_explicit(&peer->refresh_in,
memory_order_relaxed));
lua_setfield(L, -2, "refresh_in");
lua_pushinteger(L, atomic_load_explicit(&peer->refresh_out,
memory_order_relaxed));
lua_setfield(L, -2, "refresh_out");
lua_pushinteger(L, atomic_load_explicit(&peer->dynamic_cap_in,
memory_order_relaxed));
lua_setfield(L, -2, "dynamic_cap_in");
lua_pushinteger(L, atomic_load_explicit(&peer->dynamic_cap_out,
memory_order_relaxed));
lua_setfield(L, -2, "dynamic_cap_out");
lua_pushinteger(L, peer->established);
lua_setfield(L, -2, "times_established");
lua_pushinteger(L, peer->dropped);
lua_setfield(L, -2, "times_dropped");
}
lua_setfield(L, -2, "stats");
}
void lua_pushattr(lua_State *L, const struct attr *attr)
{
lua_newtable(L);
lua_pushinteger(L, attr->med);
lua_setfield(L, -2, "metric");
lua_pushinteger(L, attr->nh_ifindex);
lua_setfield(L, -2, "ifindex");
lua_pushstring(L, attr->aspath->str);
lua_setfield(L, -2, "aspath");
lua_pushinteger(L, attr->local_pref);
lua_setfield(L, -2, "localpref");
}
void lua_decode_attr(lua_State *L, int idx, struct attr *attr)
{
lua_getfield(L, idx, "metric");
attr->med = lua_tointeger(L, -1);
lua_pop(L, 1);
lua_getfield(L, idx, "ifindex");
attr->nh_ifindex = lua_tointeger(L, -1);
lua_pop(L, 1);
lua_getfield(L, idx, "aspath");
attr->aspath = aspath_str2aspath(lua_tostring(L, -1),
bgp_get_asnotation(NULL));
lua_pop(L, 1);
lua_getfield(L, idx, "localpref");
attr->local_pref = lua_tointeger(L, -1);
lua_pop(L, 1);
lua_pop(L, 1);
}
void *lua_toattr(lua_State *L, int idx)
{
struct attr *attr = XCALLOC(MTYPE_TMP, sizeof(struct attr));
lua_decode_attr(L, idx, attr);
return attr;
}
struct frrscript_codec frrscript_codecs_bgpd[] = {
{.typename = "peer",
.encoder = (encoder_func)lua_pushpeer,
.decoder = NULL},
{.typename = "attr",
.encoder = (encoder_func)lua_pushattr,
.decoder = lua_toattr},
{}};
void bgp_script_init(void)
{
frrscript_register_type_codecs(frrscript_codecs_bgpd);
}
#endif /* HAVE_SCRIPTING */
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