Fix lasContact increasing on error

cluster/proxy/node.go

@@ -2,6 +2,7 @@ package proxy
 
 import (
 	"context"
+	"errors"
 	"fmt"
 	"io"
 	"net"
@@ -285,7 +286,7 @@ func (n *node) Connect() error {
 					n.resources.throttling = true
 					n.resources.cpu = 100
 					n.resources.ncpu = 1
-					n.resources.cpuLimit = 0
+					n.resources.cpuLimit = 100
 					n.resources.mem = 0
 					n.resources.memLimit = 0
 					n.state = stateDisconnected
@@ -486,6 +487,11 @@ func (n *node) About() NodeAbout {
 		},
 	}
 
+	if state == stateDisconnected {
+		nodeAbout.Uptime = 0
+		nodeAbout.Latency = 0
+	}
+
 	return nodeAbout
 }
 
@@ -535,124 +541,147 @@ func (n *node) Files() NodeFiles {
 	return state
 }
 
+var errNoPeer = errors.New("no peer")
+
 func (n *node) files() {
+	errorsChan := make(chan error, 8)
 	filesChan := make(chan string, 1024)
 	filesList := []string{}
+	errorList := []error{}
+
+	ctx, cancel := context.WithCancel(context.Background())
 
 	wgList := sync.WaitGroup{}
 	wgList.Add(1)
 
-	go func() {
+	go func(ctx context.Context) {
 		defer wgList.Done()
 
-		for file := range filesChan {
-			filesList = append(filesList, file)
+		for {
+			select {
+			case <-ctx.Done():
+				return
+			case file := <-filesChan:
+				filesList = append(filesList, file)
+			case err := <-errorsChan:
+				errorList = append(errorList, err)
+			}
 		}
-	}()
+	}(ctx)
 
 	wg := sync.WaitGroup{}
 	wg.Add(2)
 
-	go func(f chan<- string) {
+	go func(f chan<- string, e chan<- error) {
 		defer wg.Done()
 
 		n.peerLock.RLock()
 		defer n.peerLock.RUnlock()
 
 		if n.peer == nil {
+			e <- errNoPeer
 			return
 		}
 
 		files, err := n.peer.MemFSList("name", "asc")
 		if err != nil {
+			e <- err
 			return
 		}
 
 		for _, file := range files {
 			f <- "mem:" + file.Name
 		}
-	}(filesChan)
+	}(filesChan, errorsChan)
 
-	go func(f chan<- string) {
+	go func(f chan<- string, e chan<- error) {
 		defer wg.Done()
 
 		n.peerLock.RLock()
 		defer n.peerLock.RUnlock()
 
 		if n.peer == nil {
+			e <- errNoPeer
 			return
 		}
 
 		files, err := n.peer.DiskFSList("name", "asc")
 		if err != nil {
+			e <- err
 			return
 		}
 
 		for _, file := range files {
 			f <- "disk:" + file.Name
 		}
-	}(filesChan)
+	}(filesChan, errorsChan)
 
 	if n.hasRTMP {
 		wg.Add(1)
 
-		go func(f chan<- string) {
+		go func(f chan<- string, e chan<- error) {
 			defer wg.Done()
 
 			n.peerLock.RLock()
 			defer n.peerLock.RUnlock()
 
 			if n.peer == nil {
+				e <- errNoPeer
 				return
 			}
 
 			files, err := n.peer.RTMPChannels()
 			if err != nil {
+				e <- err
 				return
 			}
 
 			for _, file := range files {
 				f <- "rtmp:" + file.Name
 			}
-		}(filesChan)
+		}(filesChan, errorsChan)
 	}
 
 	if n.hasSRT {
 		wg.Add(1)
 
-		go func(f chan<- string) {
+		go func(f chan<- string, e chan<- error) {
 			defer wg.Done()
 
 			n.peerLock.RLock()
 			defer n.peerLock.RUnlock()
 
 			if n.peer == nil {
+				e <- errNoPeer
 				return
 			}
 
 			files, err := n.peer.SRTChannels()
 			if err != nil {
+				e <- err
 				return
 			}
 
 			for _, file := range files {
 				f <- "srt:" + file.Name
 			}
-		}(filesChan)
+		}(filesChan, errorsChan)
 	}
 
 	wg.Wait()
 
-	close(filesChan)
+	cancel()
 
 	wgList.Wait()
 
 	n.stateLock.Lock()
 
-	n.filesList = make([]string, len(filesList))
-	copy(n.filesList, filesList)
-	n.lastUpdate = time.Now()
-	n.lastContact = time.Now()
+	if len(errorList) == 0 {
+		n.filesList = make([]string, len(filesList))
+		copy(n.filesList, filesList)
+		n.lastUpdate = time.Now()
+		n.lastContact = n.lastUpdate
+	}
 
 	n.stateLock.Unlock()
 }