From ec09710b24825b3391f90f297477ea2704fd62c1 Mon Sep 17 00:00:00 2001 From: Orne Brocaar Date: Fri, 25 Nov 2022 09:12:14 +0000 Subject: [PATCH] Log uplink frames without device match to DevEUI 0000000000000000. It can be useful to handle uplinks that do not match a DevEUI in a separate process. This includes DevAddr to DevEUI pointer does not exist, or DevAddr points to one or multiple DevEUIs, but it does not pass the MIC check. --- chirpstack/src/test/assert.rs | 39 +++++++- chirpstack/src/test/class_a_test.rs | 15 ++- chirpstack/src/uplink/data.rs | 6 ++ examples/event_log/go/.gitignore | 1 + examples/event_log/go/go.mod | 14 +++ examples/event_log/go/go.sum | 135 +++++++++++++++++++++++++++ examples/event_log/go/main.go | 140 ++++++++++++++++++++++++++++ 7 files changed, 347 insertions(+), 3 deletions(-) create mode 100644 examples/event_log/go/.gitignore create mode 100644 examples/event_log/go/go.mod create mode 100644 examples/event_log/go/go.sum create mode 100644 examples/event_log/go/main.go diff --git a/chirpstack/src/test/assert.rs b/chirpstack/src/test/assert.rs index d1eb2f28..bf6a43ba 100644 --- a/chirpstack/src/test/assert.rs +++ b/chirpstack/src/test/assert.rs @@ -11,7 +11,7 @@ use crate::integration::mock; use crate::storage::{ device, device_queue, device_session, downlink_frame, get_redis_conn, redis_key, }; -use chirpstack_api::{gw, integration as integration_pb, internal, meta}; +use chirpstack_api::{api, gw, integration as integration_pb, internal, meta}; use lrwn::EUI64; lazy_static! { @@ -372,6 +372,8 @@ pub fn uplink_meta_log(um: meta::UplinkMeta) -> Validator { if let redis::Value::Data(b) = v { let pl = meta::UplinkMeta::decode(&mut Cursor::new(b)).unwrap(); assert_eq!(um, pl); + } else { + panic!("Invalid payload"); } return; @@ -384,6 +386,41 @@ pub fn uplink_meta_log(um: meta::UplinkMeta) -> Validator { }) } +pub fn device_uplink_frame_log(uf: api::UplinkFrameLog) -> Validator { + Box::new(move || { + let uf = uf.clone(); + Box::pin(async move { + let mut c = get_redis_conn().unwrap(); + let key = redis_key(format!("device:{{{}}}:stream:frame", uf.dev_eui)); + let srr: StreamReadReply = redis::cmd("XREAD") + .arg("COUNT") + .arg(1 as usize) + .arg("STREAMS") + .arg(&key) + .arg("0") + .query(&mut *c) + .unwrap(); + + for stream_key in &srr.keys { + for stream_id in &stream_key.ids { + for (k, v) in &stream_id.map { + assert_eq!("up", k); + if let redis::Value::Data(b) = v { + let mut pl = api::UplinkFrameLog::decode(&mut Cursor::new(b)).unwrap(); + pl.time = None; // we don't have control over this value + assert_eq!(uf, pl); + } else { + panic!("Invalid payload"); + } + + return; + } + } + } + }) + }) +} + pub fn downlink_device_lock(dev_eui: EUI64) -> Validator { Box::new(move || { let dev_eui = dev_eui.clone(); diff --git a/chirpstack/src/test/class_a_test.rs b/chirpstack/src/test/class_a_test.rs index becabec9..27af1af9 100644 --- a/chirpstack/src/test/class_a_test.rs +++ b/chirpstack/src/test/class_a_test.rs @@ -10,7 +10,7 @@ use crate::storage::{ reset_redis, tenant, }; use crate::{config, gateway::backend as gateway_backend, integration, region, test, uplink}; -use chirpstack_api::{common, gw, integration as integration_pb, internal}; +use chirpstack_api::{api, common, gw, integration as integration_pb, internal}; use lrwn::{AES128Key, EUI64}; type Function = Box Pin>>>; @@ -366,7 +366,18 @@ async fn test_lorawan_10_errors() { }), mic: Some([1, 2, 3, 4]), }, - assert: vec![assert::no_uplink_event()], + assert: vec![ + assert::no_uplink_event(), + assert::device_uplink_frame_log(api::UplinkFrameLog { + phy_payload: vec![64, 4, 3, 2, 1, 0, 8, 0, 1, 1, 2, 3, 4], + tx_info: Some(tx_info.clone()), + rx_info: vec![rx_info.clone()], + dev_eui: "0000000000000000".into(), + dev_addr: "01020304".into(), + m_type: common::MType::UnconfirmedDataUp.into(), + ..Default::default() + }), + ], }, ]; diff --git a/chirpstack/src/uplink/data.rs b/chirpstack/src/uplink/data.rs index 4d0b3f54..4af367bc 100644 --- a/chirpstack/src/uplink/data.rs +++ b/chirpstack/src/uplink/data.rs @@ -163,6 +163,12 @@ impl Data { } StorageError::InvalidMIC => { warn!(dev_addr = %pl.fhdr.devaddr, "None of the device-sessions for dev_addr resulted in valid MIC"); + + // Log uplink for null DevEUI. + let mut ufl: api::UplinkFrameLog = (&self.uplink_frame_set).try_into()?; + ufl.dev_eui = "0000000000000000".to_string(); + framelog::log_uplink_for_device(&ufl).await?; + return Err(Error::Abort); } _ => { diff --git a/examples/event_log/go/.gitignore b/examples/event_log/go/.gitignore new file mode 100644 index 00000000..8bba5846 --- /dev/null +++ b/examples/event_log/go/.gitignore @@ -0,0 +1 @@ +event-log diff --git a/examples/event_log/go/go.mod b/examples/event_log/go/go.mod new file mode 100644 index 00000000..795b778f --- /dev/null +++ b/examples/event_log/go/go.mod @@ -0,0 +1,14 @@ +module event-log + +go 1.18 + +require ( + github.com/chirpstack/chirpstack/api/go/v4 v4.0.2 + github.com/go-redis/redis/v8 v8.11.5 + google.golang.org/protobuf v1.28.1 +) + +require ( + github.com/cespare/xxhash/v2 v2.1.2 // indirect + github.com/dgryski/go-rendezvous v0.0.0-20200823014737-9f7001d12a5f // indirect +) diff --git a/examples/event_log/go/go.sum b/examples/event_log/go/go.sum new file mode 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100644 index 00000000..ce7bf5a2 --- /dev/null +++ b/examples/event_log/go/main.go @@ -0,0 +1,140 @@ +package main + +import ( + "context" + "flag" + "fmt" + "log" + + "github.com/chirpstack/chirpstack/api/go/v4/integration" + "github.com/go-redis/redis/v8" + "google.golang.org/protobuf/encoding/protojson" + "google.golang.org/protobuf/proto" +) + +var ( + server string + key string +) + +func init() { + flag.StringVar(&server, "server", "localhost:6379", "Redis hostname:port") + flag.StringVar(&key, "key", "device:stream:event", "Redis Streams key to read from") + flag.Parse() +} + +func main() { + rdb := redis.NewClient(&redis.Options{ + Addr: server, + }) + ctx := context.Background() + + lastID := "0" + + for { + resp, err := rdb.XRead(ctx, &redis.XReadArgs{ + Streams: []string{key, lastID}, + Count: 10, + Block: 0, + }).Result() + if err != nil { + log.Fatal(err) + } + + if len(resp) != 1 { + log.Fatal("Exactly one stream response is expected") + } + + for _, msg := range resp[0].Messages { + lastID = msg.ID + + if b, ok := msg.Values["up"].(string); ok { + var pl integration.UplinkEvent + if err := proto.Unmarshal([]byte(b), &pl); err != nil { + log.Fatal(err) + } + + fmt.Println("=== UP ===") + fmt.Println(protojson.Format(&pl)) + fmt.Println("==========") + } + + if b, ok := msg.Values["join"].(string); ok { + var pl integration.JoinEvent + if err := proto.Unmarshal([]byte(b), &pl); err != nil { + log.Fatal(err) + } + + fmt.Println("=== JOIN ===") + fmt.Println(protojson.Format(&pl)) + fmt.Println("============") + } + + if b, ok := msg.Values["ack"].(string); ok { + var pl integration.AckEvent + if err := proto.Unmarshal([]byte(b), &pl); err != nil { + log.Fatal(err) + } + + fmt.Println("=== ACK ===") + fmt.Println(protojson.Format(&pl)) + fmt.Println("===========") + } + + if b, ok := msg.Values["txack"].(string); ok { + var pl integration.TxAckEvent + if err := proto.Unmarshal([]byte(b), &pl); err != nil { + log.Fatal(err) + } + + fmt.Println("=== TX ACK ===") + fmt.Println(protojson.Format(&pl)) + fmt.Println("==============") + } + + if b, ok := msg.Values["log"].(string); ok { + var pl integration.LogEvent + if err := proto.Unmarshal([]byte(b), &pl); err != nil { + log.Fatal(err) + } + + fmt.Println("=== LOG ===") + fmt.Println(protojson.Format(&pl)) + fmt.Println("===========") + } + + if b, ok := msg.Values["status"].(string); ok { + var pl integration.StatusEvent + if err := proto.Unmarshal([]byte(b), &pl); err != nil { + log.Fatal(err) + } + + fmt.Println("=== STATUS ===") + fmt.Println(protojson.Format(&pl)) + fmt.Println("==============") + } + + if b, ok := msg.Values["location"].(string); ok { + var pl integration.LocationEvent + if err := proto.Unmarshal([]byte(b), &pl); err != nil { + log.Fatal(err) + } + + fmt.Println("=== LOCATION ===") + fmt.Println(protojson.Format(&pl)) + fmt.Println("================") + } + + if b, ok := msg.Values["integration"].(string); ok { + var pl integration.IntegrationEvent + if err := proto.Unmarshal([]byte(b), &pl); err != nil { + log.Fatal(err) + } + + fmt.Println("=== INTEGRATION ===") + fmt.Println(protojson.Format(&pl)) + fmt.Println("===================") + } + } + } +}