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include $(TOPDIR)/rules.mk | ||
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PKG_NAME:=respondd-module-lldp | ||
PKG_VERSION:=1 | ||
PKG_RELEASE:=1 | ||
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include $(INCLUDE_DIR)/package.mk | ||
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define Package/respondd-module-lldp | ||
SECTION:=gluon | ||
CATEGORY:=Gluon | ||
TITLE:=adds lldp usage neighbours provider to respondd | ||
DEPENDS:=+respondd +lldpd | ||
endef | ||
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define Package/respondd-module-lldp/install | ||
$(INSTALL_DIR) $(1)/usr/lib/respondd | ||
$(CP) $(PKG_BUILD_DIR)/respondd.so $(1)/usr/lib/respondd/lldp.so | ||
endef | ||
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$(eval $(call BuildPackage,respondd-module-lldp)) |
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This module adds a respondd lldp usage neighbours provider. | ||
The format is the following: | ||
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```json | ||
{ | ||
"neighbours": { | ||
"lldp": { | ||
"01:00:00:00:00:01": { | ||
"02:00:00:00:00:01" : {"name":"a","descr":"b"} | ||
} | ||
} | ||
} | ||
} | ||
``` |
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all: respondd.so | ||
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CFLAGS += -Wall | ||
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respondd.so: respondd.c | ||
$(CC) $(CPPFLAGS) $(CFLAGS) $(LDFLAGS) -std=c11 -shared -fPIC -D_GNU_SOURCE -o $@ $^ $(LDLIBS) -llldpctl |
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#include <respondd.h> | ||
#include <json-c/json.h> | ||
#include <lldpctl.h> | ||
#include <lldp-const.h> | ||
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static struct json_object * respondd_provider_neighbours(void) { | ||
lldpctl_conn_t *conn; | ||
lldpctl_atom_t *ifaces, *iface, *port, *neighbors, *neighbor; | ||
const char *ctlname, *neighmac, *portmac; | ||
struct json_object *ret, *ret_lldp, *neighbors_obj; | ||
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ret_lldp = json_object_new_object(); | ||
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ctlname = lldpctl_get_default_transport(); | ||
conn = lldpctl_new_name(ctlname, NULL, NULL, NULL); | ||
ifaces = lldpctl_get_interfaces(conn); | ||
lldpctl_atom_foreach(ifaces, iface) { | ||
port = lldpctl_get_port(iface); | ||
// check if Port ID Subtype is MAC address | ||
if (lldpctl_atom_get_int(port, lldpctl_k_port_id_subtype) != LLDP_PORTID_SUBTYPE_LLADDR) | ||
continue; | ||
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portmac = lldpctl_atom_get_str(port, lldpctl_k_port_id); | ||
if (!portmac) | ||
continue; | ||
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neighbors_obj = json_object_new_object(); | ||
neighbors = lldpctl_atom_get(port, lldpctl_k_port_neighbors); | ||
lldpctl_atom_foreach(neighbors, neighbor) { | ||
// check if Chassis ID Subtype is MAC address | ||
if (lldpctl_atom_get_int(neighbor, lldpctl_k_chassis_id_subtype) != LLDP_CHASSISID_SUBTYPE_LLADDR) | ||
continue; | ||
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neighmac = lldpctl_atom_get_str(neighbor, lldpctl_k_chassis_id); | ||
if (!neighmac) | ||
continue; | ||
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json_object_object_add(neighbors_obj, neighmac, json_object_new_object()); | ||
} | ||
json_object_object_add(ret_lldp, portmac, neighbors_obj); | ||
} | ||
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ret = json_object_new_object(); | ||
json_object_object_add(ret, "lldp", ret_lldp); | ||
return ret; | ||
} | ||
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const struct respondd_provider_info respondd_providers[] = { | ||
{"neighbours", respondd_provider_neighbours}, | ||
{} | ||
}; |