Merge pull request #5 from dreamstarsky/dev

feat: output limit

cmd/api/main.go

@@ -17,7 +17,7 @@ import (
 
 func main() {
 	// Load configuration
-	cfg := config.LoadApi("config/server.yaml")
+	cfg := config.LoadApi("config/api.yaml")
 
 	if cfg.App.Env == "release" {
 		gin.SetMode(gin.ReleaseMode)

config/worker.yaml

@@ -4,11 +4,13 @@ storage:
     dsn: "host=localhost port=54320 user=postgres password=password dbname=postgres sslmode=disable"
 
 limit:
-  time: 10
-  cpu: 1
-  memory: 512
+  time: 10.0    # s
+  cpu: 1.0        
+  memory: 512   # MB
+  size: 1024    # KB
 
-process: 4
+process: 1
 
-name: "猫猫"
+name: "default name"
   
+compilerimage: "cpp_gcc-latest:latest"

internal/config/LoadWorker.go

@@ -10,6 +10,7 @@ type LimitConfig struct {
 	Cpu    float32
 	Memory int
 	Time   float32
+	Size   int
 }
 
 type WorkerConfig struct {
@@ -28,6 +29,7 @@ func LoadWorker(configFile string) *WorkerConfig {
 	v.SetDefault("limit.cpu", 1.0)
 	v.SetDefault("limit.time", 10.0)
 	v.SetDefault("limit.memory", 512*1024)
+	v.SetDefault("limit.size", 1024)
 	v.SetDefault("process", 1)
 	v.SetDefault("name", "default name")
 	v.SetDefault("compilerimage", "cpp_gcc-latest:latest")

internal/worker/RunCppTask.go

@@ -64,6 +64,7 @@ func compileCpp(ctx context.Context, task *model.Paste, cli *client.Client, tmpD
 
 		// Read compilation log
 		if logData, err := os.ReadFile(filepath.Join(tmpDir, "compile.txt")); err == nil {
+			logData = logData[:min(len(logData), cfg.Limit.Size)]
 			task.CompileLog = string(logData)
 		}
 
@@ -144,11 +145,13 @@ func runCpp(ctx context.Context, task *model.Paste, cli *client.Client, tmpDir s
 	usagePath := filepath.Join(tmpDir, "usage.json")
 
 	// Read program output
-	if outData, err := os.ReadFile(stdoutPath); err == nil {
-		task.Stdout = string(outData)
+	if stdoutData, err := os.ReadFile(stdoutPath); err == nil {
+		stdoutData = stdoutData[:min(len(stdoutData), cfg.Limit.Size)]
+		task.Stdout = string(stdoutData)
 	}
-	if outData, err := os.ReadFile(stderrPath); err == nil {
-		task.Stderr = string(outData)
+	if stderrData, err := os.ReadFile(stderrPath); err == nil {
+		stderrData = stderrData[:min(len(stderrData), cfg.Limit.Size)]
+		task.Stderr = string(stderrData)
 	}
 	if usageData, err := os.ReadFile(usagePath); err == nil {
 		var usage Usage
@@ -161,7 +164,7 @@ func runCpp(ctx context.Context, task *model.Paste, cli *client.Client, tmpDir s
 
 func (w *Worker) RunCppTask(ctx context.Context, task *model.Paste, cli *client.Client) error {
 	// 临时文件夹
-	tmpDir, err := os.MkdirTemp("", "cpp_compile_")
+	tmpDir, err := os.MkdirTemp("/dev/shm/", "cpp_compile_")
 	if err != nil {
 		return fmt.Errorf("create temp dir error: %v", err)
 	}