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Roger Pueyo Centelles, 02-06-2014 14:20
Ubus¶
The Network Characterization daemon (NCd) uses ubus (the OpenWrt micro bus architecture) to communicate with the Network Characterization user interface and with other daemons and applications. This page documents the ubus namespace of the NC, with the available procedures and several examples.
NCd ubus namespace and procedures summary¶
Local node information¶
Path | Procedure | Signature | Description |
---|---|---|---|
ncd.local | id | { } | Get the unique id of the local node |
ncd.local | board | { } | Get the system information of the local node (model, CPU, OpenWrt version, hostname, kernel version, etc.) ¹ |
ncd.local | info | { } | Get the system status of the local node (uptime, load, memory, etc.) ² |
ncd.local | neighbours | { } | List all the neighbours of the local node |
ncd.local.position | get | { } | Get the position (latitude and longitude) of the nodes |
ncd.local.position | set | { "coordinates" : [ "lat", "lon" ] } | Set the position (latitude and longitude) of the node |
¹ It is the same information provided by OpenWrt's system board Ubus call
² It is the same information provided by OpenWrt's system info Ubus call
Link-related information¶
Path | Procedure | Signature | Description |
---|---|---|---|
ncd.link | link | { "nodes": [ "id_1", "id_2" ] } | Get the details of the link(s) between nodes id_1 and id_2 |
Remote node information¶
Path | Procedure | Signature | Description | ||||
---|---|---|---|---|---|---|---|
ncd.nodeid ³ | board | { } | Get the system information of the node defined by nodeid (model, CPU, OpenWrt version, hostname, kernel version, etc.) ¹ |
ncd.nodeid ³ | info | { } | Get the system status of the node defined by nodeid (uptime, load, memory, etc.) ² |
ncd.nodeid ³ | neighbours | { } | List all the neighbours of the node defined by nodeid | ||||
ncd.nodeid.position ³ | get | { } | Get the position (latitude and longitude) of the node defined by nodeid | ||||
ncd.nodeid.position ³ | set | { "coordinates" : [ "lat", "lon" ] } | Set the position (latitude and longitude) of the node defined by nodeid |
¹ It is the same information provided by OpenWrt's system board Ubus call
² It is the same information provided by OpenWrt's system info Ubus call
³ Replace nodeid by the node's unique id
Usage examples¶
ncd id¶
Request:
ubus call ncd id { }
Response:
{ "id" : "node_id" }
ncd board¶
Request:
ubus call ncd board { }
Response:
{ "kernel": "3.10.36", "hostname": "qMp-6a32", "system": "Qualcomm Atheros QCA9533 rev 1", "model": "TP-Link TL-WR841N\/ND v9", "release": { "distribution": "OpenWrt", "version": "Bleeding Edge", "revision": "r40831", "codename": "barrier_breaker", "target": "ar71xx\/generic", "description": "OpenWrt Barrier Breaker r40831" } }
ncd info¶
Request:
ubus call ncd info { }
Response:
{ "uptime": 9425, "localtime": 1401464813, "load": [ 3264, 10592, 7648 ], "memory": { "total": 29741056, "free": 5259264, "shared": 0, "buffered": 2297856 }, "swap": { "total": 0, "free": 0 } }
ncd.node.neighbours¶
Request:
ncd.node.neighbours { "node" : "id" }
Response:
{ "nodes" : [ "id_1", "id_2", "id_3" ] }
ncd.node.info¶
Request:
ncd.node.info { "node" : "id" }
Response:
{ "nodeinfo": { "id": "node016", "name": "FT-NarrowStreet1616-NSLM5", "hardware": { "model": "Ubiquiti Nanostation M", "type": "Atheros AR7241 rev 1", "cpu": "MIPS 24Kc V7.4", "ram": "29312" }, "software": { "os": { "name": "OpenWrt", "version": 12.09, "codename": "Attitude Adjustment", "date": "2013-09-06", "revision": "r38347" }, "qMp": { "version": "3.0-rc3", "codename": "Clearance", "date": 20140227, "revision": "d94713e", "branch": "master" }, "bmx6": { "revision": "bae36ab0", "version": 12, "branch": "master" }, "ncd": { "revision": "36aaed94", "version": 0.2, "branch": "dev" } }, "interfaces": { "physical": { "wired": { "eth0": { "mac": "DC:9F:DB:4F:A1:F6", "encap": "Ethernet", "mode": "100baseTX", "mtu": 1500 }, "eth1": { "mac": "DE:9F:DB:4F:A1:F6", "encap": "Ethernet", "mode": "down", "mtu": 1500 } }, "wireless": { "radio0": { "type": "mac80211", "mac": "DC:9F:DB:4E:A1:F6", "hwmode": "auto", "channel": 124, "country": "SP", "txpower": 17, "distance": 5000, "ht": [ "SHORT-GI-40", "RX-STBC1", "DSSS_CCK-40" ], "interfaces": { "wlan0": { "device": "radio0", "mode": "adhoc", "bssid": "02:CA:FF:EE:BA:BE", "ssid": "qMp-HWErmitaBellvitge16", "encryption": "open", "network": "lan", "ifname": "wlan0", "stations": { "dc:9f:db:34:17:b6": { "signal": [ -70, -74, -73 ], "avgsignal": [ -70, -74, -73 ], "txbitrate": "60.0 MBit/s MCS 9 40Mhz short GI", "rxbitrate": "81.0 MBit/s MCS 4 40Mhz" } } } } } } }, "virtual": { "lo": { "type": "loopback", "addressing": { "ipv4": [ { "ipaddr": "127.0.0.1", "netmask": "255.0.0.0" } ], "ipv6": [ { "ipaddr6": "::1/128", "scope": "host" } ] } }, "br-lan": { "type": "bridge", "ifname": [ "eth0" ], "addressing": { "ipv4": [ { "ipaddr": "10.1.32.33", "netmask": "255.255.255.224" }, { "ipaddr": "169.254.246.1", "netmask": "255.255.255.248" } ], "ipv6": [ { "scope": "global", "ipaddr6": "fd00:1714:1714:a1f6::1/64" }, { "scope": "link", "ipaddr6": "fe80::de9f:dbff:fe4f:a1f6/64" } ] } }, "br-lan.12": { "type": "vlan", "ifname": [ "eth0" ], "addressing": { "ipv6": [ { "scope": "global", "ipaddr6": "fd66:66:66:8:de9f:dbff:fe4f:a1f6/64" }, { "scope": "global", "ipaddr6": "fd02::dc9f:db4f:a1f6:0:112/128" }, { "scope": "link", "ipaddr6": "fe80::de9f:dbff:fe4f:a1f6/64" } ] } }, "wlan0": { "type": "wireless", "ifname": "radio0", "addressing": { "ipv4": [ { "ipaddr": "169.254.246.1", "netmask": "255.255.255.248" }, { "ipaddr": "10.1.32.33", "netmask": "255.255.255.224" } ], "ipv6": [ { "scope": "link", "ipaddr6": "fe80::de9f:dbff:fe4e:a1f6/64" }, { "scope": "global", "ipaddr6": "fd00:1714:1714:a1f6::1/64" }, { "scope": "link", "ipaddr6": "fe80::de9f:dbff:fe4f:a1f6/64" } ] } }, "wlan0.12": { "type": "vlan", "ifname": "radio0", "addressing": { "ipv6": [ { "scope": "link", "ipaddr6": "fd66:66:66:a:de9f:dbff:fe4e:a1f6/64" }, { "scope": "global", "ipaddr6": "fd02::dc9f:db4f:a1f6:0:212/128" }, { "scope": "link", "ipaddr6": "fe80::de9f:dbff:fe4e:a1f6/64" } ] } }, "bmxtmain": { "type": "tunnel6", "addressing": { "ipv4": [ { "ipaddr": "10.1.32.33", "netmask": "255.255.255.224" } ], "ipv6": [ { "scope": "global", "ipaddr6": "2012:0:0:a1f6::1/128" }, { "scope": "link", "ipaddr6": "fe80::de9f:dbff:fe4f:a1f6/64" } ] } } } } } }
More examples¶
There is an example of the communication process between the CNAd and the CNAui via ubus here.
Actualitzat per Roger Pueyo Centelles fa més de 10 anys · 9 revisions