major improvements for big apps

This commit is contained in:
Martino Ferrari
2026-05-20 17:21:33 +02:00
parent f6eb0a7056
commit 74816028a8
10 changed files with 651 additions and 121 deletions
+188 -21
View File
@@ -5,6 +5,7 @@ import (
"encoding/binary"
"encoding/json"
"fmt"
"log"
"math"
"net"
"strings"
@@ -67,8 +68,13 @@ type MarteClient struct {
connected int32 // atomic bool
lastWriteMs int64 // atomic; updated on every TCP write, used by keepalive
stopCh chan struct{}
// accumulates signals across DISCOVER_PART chunks; merged on final DISCOVER
discoverAcc []discoverSignalJSON
// cached last-known ports (updated by SERVICE_INFO)
host string
cmdPort int
@@ -144,6 +150,7 @@ func (m *MarteClient) Disconnect() {
m.basesMu.Lock()
m.baseTsSet = false
m.basesMu.Unlock()
m.discoverAcc = nil
}
func (m *MarteClient) stopped() bool {
@@ -180,6 +187,8 @@ func (m *MarteClient) runTCP(host string, port int) {
// Send SERVICE_INFO to auto-discover ports
m.writeCmd("SERVICE_INFO")
go m.runKeepalive()
m.readLoop(conn)
atomic.StoreInt32(&m.connected, 0)
@@ -205,8 +214,35 @@ func (m *MarteClient) writeCmd(cmd string) {
if w == nil {
return
}
log.Printf("[→MARTe] %s", cmd)
broadcast(m.hub, map[string]any{
"type": "log", "time": time.Now().Format("15:04:05.000"),
"level": "CMD", "message": fmt.Sprintf("→ %s", cmd),
})
w.WriteString(cmd + "\n")
w.Flush()
atomic.StoreInt64(&m.lastWriteMs, time.Now().UnixMilli())
}
// runKeepalive sends INFO every 20 s when no other command has been written
// in the last 20 s, keeping the DebugService 30 s idle timer from firing.
func (m *MarteClient) runKeepalive() {
ticker := time.NewTicker(20 * time.Second)
defer ticker.Stop()
for {
select {
case <-m.stopCh:
return
case <-ticker.C:
if !m.IsConnected() {
continue
}
idleMs := time.Now().UnixMilli() - atomic.LoadInt64(&m.lastWriteMs)
if idleMs >= 20_000 {
m.writeCmd("INFO")
}
}
}
}
func (m *MarteClient) SendCommand(cmd string) {
@@ -215,7 +251,7 @@ func (m *MarteClient) SendCommand(cmd string) {
func (m *MarteClient) readLoop(conn net.Conn) {
scanner := bufio.NewScanner(conn)
scanner.Buffer(make([]byte, 1*1024*1024), 1*1024*1024)
scanner.Buffer(make([]byte, 8*1024*1024), 8*1024*1024)
var jsonAcc strings.Builder
inJSON := false
@@ -256,15 +292,18 @@ func (m *MarteClient) readLoop(conn net.Conn) {
}
}
// detectJSONDone returns (tag, true) when the line contains an "OK <TAG>" sentinel.
// detectJSONDone returns (tag, true) when the line is exactly "OK <TAG>".
// DISCOVER_PART must appear before DISCOVER so partial chunks are not mistaken
// for the final chunk (though with exact matching this is not strictly
// necessary; kept for clarity).
func detectJSONDone(line string) (string, bool) {
tags := []string{
"DISCOVER", "TREE", "INFO", "CONFIG", "STEP_STATUS",
"DISCOVER_PART", "DISCOVER", "TREE", "INFO", "CONFIG", "STEP_STATUS",
"VALUE", "MSG", "TRACE", "FORCE", "UNFORCE", "BREAK",
"PAUSE", "RESUME", "STEP", "MONITOR", "UNMONITOR", "LS",
}
for _, t := range tags {
if strings.Contains(line, "OK "+t) {
if line == "OK "+t {
return t, true
}
}
@@ -272,11 +311,47 @@ func detectJSONDone(line string) (string, bool) {
}
func (m *MarteClient) handleJSONResponse(tag, data string) {
log.Printf("[←MARTe] %s %d bytes", tag, len(data))
broadcast(m.hub, map[string]any{
"type": "log", "time": time.Now().Format("15:04:05.000"),
"level": "RESP", "message": fmt.Sprintf("← %s (%d B)", tag, len(data)),
})
switch tag {
case "DISCOVER_PART":
// Accumulate this chunk; do NOT broadcast — we wait for the final chunk.
var resp discoverResp
if err := json.Unmarshal([]byte(data), &resp); err != nil {
log.Printf("[DISCOVER_PART] parse error: %v", err)
return
}
m.discoverAcc = append(m.discoverAcc, resp.Signals...)
log.Printf("[DISCOVER_PART] accumulated %d signals (total so far: %d)",
len(resp.Signals), len(m.discoverAcc))
return
case "DISCOVER":
m.parseDiscover(data)
// Merge any previously accumulated part-chunks with this final chunk.
var resp discoverResp
if err := json.Unmarshal([]byte(data), &resp); err != nil {
log.Printf("[DISCOVER] parse error: %v", err)
return
}
all := append(m.discoverAcc, resp.Signals...)
m.discoverAcc = nil
m.parseDiscoverSignals(all)
// Re-marshal the merged list so the browser gets a single consistent blob.
merged, _ := json.Marshal(discoverResp{Signals: all})
broadcast(m.hub, map[string]any{
"type": "response", "tag": "DISCOVER", "data": string(merged),
})
return
case "TREE":
// Parse server-side and stream pre-digested flat-node batches to the
// browser so it never has to JSON.parse a multi-MB string.
go m.sendTreeBatches(data)
return
}
// Forward raw JSON to all browsers.
broadcast(m.hub, map[string]any{
"type": "response",
"tag": tag,
@@ -284,6 +359,91 @@ func (m *MarteClient) handleJSONResponse(tag, data string) {
})
}
// ---------------------------------------------------------------------------
// TREE streaming
// ---------------------------------------------------------------------------
// TreeNode mirrors the DebugService TREE JSON structure.
type TreeNode struct {
Name string `json:"Name"`
Class string `json:"Class"`
IsTraceable bool `json:"IsTraceable"`
IsForcable bool `json:"IsForcable"`
Elements uint32 `json:"Elements"`
Children []*TreeNode `json:"Children"`
}
// FlatNode is a pre-digested, compact representation sent to the browser.
type FlatNode struct {
Path string `json:"p"`
Name string `json:"n"`
Class string `json:"c"`
Parent string `json:"par"`
Tr bool `json:"tr,omitempty"`
Fo bool `json:"fo,omitempty"`
El uint32 `json:"el,omitempty"`
HasCh bool `json:"ch,omitempty"`
}
func flattenTree(node *TreeNode, parentPath string, out *[]FlatNode) {
path := node.Name
if parentPath != "" {
path = parentPath + "." + node.Name
}
hasCh := len(node.Children) > 0
*out = append(*out, FlatNode{
Path: path,
Name: node.Name,
Class: node.Class,
Parent: parentPath,
Tr: node.IsTraceable,
Fo: node.IsForcable,
El: node.Elements,
HasCh: hasCh,
})
for _, c := range node.Children {
flattenTree(c, path, out)
}
}
// sendTreeBatches parses the raw TREE JSON and streams compact FlatNode
// batches to all browsers. Each browser processes one batch per animation
// frame, keeping the UI responsive during large tree loads.
func (m *MarteClient) sendTreeBatches(raw string) {
var root TreeNode
if err := json.Unmarshal([]byte(raw), &root); err != nil {
log.Printf("[TREE] parse error: %v — falling back to raw JSON", err)
broadcast(m.hub, map[string]any{"type": "response", "tag": "TREE", "data": raw})
return
}
var nodes []FlatNode
if root.Name == "Root" && len(root.Children) > 0 {
for _, c := range root.Children {
flattenTree(c, "", &nodes)
}
} else {
flattenTree(&root, "", &nodes)
}
total := len(nodes)
log.Printf("[TREE] streaming %d flat nodes to browser", total)
broadcast(m.hub, map[string]any{"type": "tree_clear", "total": total})
const batchSize = 50
for i := 0; i < total; i += batchSize {
end := i + batchSize
if end > total {
end = total
}
broadcast(m.hub, map[string]any{
"type": "tree_batch",
"nodes": nodes[i:end],
"done": end == total,
})
}
}
func (m *MarteClient) handleTextLine(line string) {
if strings.HasPrefix(line, "OK SERVICE_INFO") {
// OK SERVICE_INFO TCP_CTRL:8110 UDP_STREAM:8111 TCP_LOG:8082 STATE:RUNNING
@@ -340,29 +500,35 @@ func (m *MarteClient) handleTextLine(line string) {
// DISCOVER parsing
// ---------------------------------------------------------------------------
type discoverResp struct {
Signals []struct {
Name string `json:"name"`
ID uint32 `json:"id"`
Type string `json:"type"`
Dimensions uint8 `json:"dimensions"`
Elements uint32 `json:"elements"`
} `json:"Signals"`
type discoverSignalJSON struct {
Name string `json:"name"`
ID uint32 `json:"id"`
Type string `json:"type"`
Dimensions uint8 `json:"dimensions"`
Elements uint32 `json:"elements"`
}
func (m *MarteClient) parseDiscover(data string) {
var resp discoverResp
if err := json.Unmarshal([]byte(data), &resp); err != nil {
return
}
type discoverResp struct {
Signals []discoverSignalJSON `json:"Signals"`
}
func (m *MarteClient) parseDiscoverSignals(sigs []discoverSignalJSON) {
m.sigMu.Lock()
defer m.sigMu.Unlock()
m.signals = make(map[uint32]*SignalMeta, len(resp.Signals))
for _, s := range resp.Signals {
m.signals = make(map[uint32]*SignalMeta, len(sigs))
for _, s := range sigs {
el := s.Elements
if el == 0 {
el = 1
}
// Multiple DISCOVER entries can share the same ID (canonical DataSource
// path + one GAM alias per broker). Merge them into one SignalMeta so
// that Names carries every alias. This is required for the telemetry
// receiver to match whichever name the user traced.
if existing, ok := m.signals[s.ID]; ok {
existing.Names = append(existing.Names, s.Name)
continue
}
meta := &SignalMeta{
Name: s.Name,
ID: s.ID,
@@ -373,6 +539,7 @@ func (m *MarteClient) parseDiscover(data string) {
}
m.signals[s.ID] = meta
}
log.Printf("[DISCOVER] registered %d unique signals from %d entries", len(m.signals), len(sigs))
}
// ---------------------------------------------------------------------------