110 lines
2.6 KiB
Go
110 lines
2.6 KiB
Go
package routes
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import (
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"context"
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"fmt"
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"github.com/gin-gonic/gin"
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"github.com/lightninglabs/lndclient"
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"github.com/neo4j/neo4j-go-driver/v4/neo4j"
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"ln-stream/lnd"
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"ln-stream/memgraph"
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"log"
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"net/http"
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)
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var (
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IsRoutineRunning = true
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LndServices *lndclient.GrpcLndServices
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Driver neo4j.Driver
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StopChannel chan bool
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GraphUpdates <-chan *lndclient.GraphTopologyUpdate
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Errors <-chan error
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)
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func ToggleUpdatesHandler(c *gin.Context) {
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var err error
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// Subscribe to graph topology updates
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GraphUpdates, Errors, err = LndServices.Client.SubscribeGraph(context.Background())
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if err != nil {
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log.Fatalf("Failed to subscribe to graph updates: %v", err)
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}
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if !IsRoutineRunning {
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IsRoutineRunning = true
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StopChannel = make(chan bool)
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go SubscribeToGraphUpdates()
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c.JSON(http.StatusOK, gin.H{"isRoutineRunning": true,
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"message": "Routine started."})
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} else {
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IsRoutineRunning = false
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StopChannel <- true
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close(StopChannel)
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c.JSON(http.StatusOK, gin.H{"isRoutineRunning": false,
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"message": "Routine stopped."})
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}
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}
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func ResetGraphHandler(c *gin.Context) {
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fmt.Println("Graph update initiated...")
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if IsRoutineRunning {
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IsRoutineRunning = false
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StopChannel <- true
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close(StopChannel)
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}
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memgraph.DropDatabase(Driver)
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graph := lnd.PullGraph(LndServices)
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lnd.WriteGraphToMemgraph(graph, Driver)
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memgraph.SetupAfterImport(Driver)
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//IsRoutineRunning = true
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StopChannel = make(chan bool)
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//go SubscribeToGraphUpdates()
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c.String(http.StatusOK, "Graph update started.")
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}
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func LoadLocalSnapshot(c *gin.Context) {
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fmt.Println("Graph update initiated...")
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if IsRoutineRunning {
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IsRoutineRunning = false
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StopChannel <- true
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close(StopChannel)
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}
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memgraph.DropDatabase(Driver)
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lnd.WriteSnapshotToMemgraph("./describegraph.json", Driver)
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memgraph.SetupAfterImport(Driver)
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c.String(http.StatusOK, "Graph update started.")
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}
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func GetStatusHandler(c *gin.Context) {
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c.JSON(http.StatusOK, gin.H{"isRoutineRunning": IsRoutineRunning,
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"message": "Routine stopped."})
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}
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func SubscribeToGraphUpdates() {
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var err error
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GraphUpdates, Errors, err = LndServices.Client.SubscribeGraph(context.Background())
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if err != nil {
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log.Fatalf("Failed to subscribe to graph updates: %v", err)
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}
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IsRoutineRunning = true
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StopChannel = make(chan bool)
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fmt.Println("Routine started.")
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fmt.Println("Subscribed to graph topology updates. Waiting for updates...")
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for {
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select {
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case update := <-GraphUpdates:
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memgraph.ProcessUpdates(Driver, update)
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case err := <-Errors:
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log.Printf("Error receiving graph update: %v\n", err)
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case <-StopChannel:
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fmt.Println("Stopping graph update loop.")
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return
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}
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}
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}
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