add respondd-module-lldp
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0a334b837f
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include $(TOPDIR)/rules.mk
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PKG_NAME:=respondd-module-lldp
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PKG_VERSION:=1
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PKG_RELEASE:=1
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include $(INCLUDE_DIR)/package.mk
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define Package/respondd-module-lldp
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SECTION:=gluon
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CATEGORY:=Gluon
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TITLE:=adds lldp usage neighbours provider to respondd
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DEPENDS:=+respondd +lldpd
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endef
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define Package/respondd-module-lldp/install
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$(INSTALL_DIR) $(1)/usr/lib/respondd
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$(CP) $(PKG_BUILD_DIR)/respondd.so $(1)/usr/lib/respondd/lldp.so
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endef
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$(eval $(call BuildPackage,respondd-module-lldp))
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This module adds a respondd lldp usage neighbours provider.
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The format is the following:
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```json
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{
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"neighbours": {
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"lldp": {
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"01:00:00:00:00:01": {
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"02:00:00:00:00:01" : {"name":"a","descr":"b"}
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}
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}
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}
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}
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```
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all: respondd.so
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CFLAGS += -Wall
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respondd.so: respondd.c
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$(CC) $(CPPFLAGS) $(CFLAGS) $(LDFLAGS) -std=c11 -shared -fPIC -D_GNU_SOURCE -o $@ $^ $(LDLIBS) -llldpctl
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#include <respondd.h>
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#include <json-c/json.h>
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#include <lldpctl.h>
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#include <lldp-const.h>
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static struct json_object * respondd_provider_neighbours(void) {
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lldpctl_conn_t *conn;
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lldpctl_atom_t *ifaces, *iface, *port, *neighbors, *neighbor;
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const char *ctlname, *neighmac, *portmac;
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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();
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conn = lldpctl_new_name(ctlname, NULL, NULL, NULL);
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ifaces = lldpctl_get_interfaces(conn);
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lldpctl_atom_foreach(ifaces, iface) {
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port = lldpctl_get_port(iface);
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// check if Port ID Subtype is MAC address
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if (lldpctl_atom_get_int(port, lldpctl_k_port_id_subtype) != LLDP_PORTID_SUBTYPE_LLADDR)
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continue;
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portmac = lldpctl_atom_get_str(port, lldpctl_k_port_id);
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if (!portmac)
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continue;
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neighbors_obj = json_object_new_object();
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neighbors = lldpctl_atom_get(port, lldpctl_k_port_neighbors);
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lldpctl_atom_foreach(neighbors, neighbor) {
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// check if Chassis ID Subtype is MAC address
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if (lldpctl_atom_get_int(neighbor, lldpctl_k_chassis_id_subtype) != LLDP_CHASSISID_SUBTYPE_LLADDR)
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continue;
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neighmac = lldpctl_atom_get_str(neighbor, lldpctl_k_chassis_id);
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if (!neighmac)
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continue;
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json_object_object_add(neighbors_obj, neighmac, json_object_new_object());
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}
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json_object_object_add(ret_lldp, portmac, neighbors_obj);
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}
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ret = json_object_new_object();
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json_object_object_add(ret, "lldp", ret_lldp);
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return ret;
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}
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const struct respondd_provider_info respondd_providers[] = {
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{"neighbours", respondd_provider_neighbours},
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{}
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};
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