增加 net 通知器

fileboy.go

@@ -129,7 +129,7 @@ func initWatcher() {
 	defer watcher.Close()
 
 	done := make(chan bool)
-	taskMan = newTaskMan(cfg.Command.DelayMillSecond)
+	taskMan = newTaskMan(cfg.Command.DelayMillSecond, cfg.Notifier.CallUrl)
 	go func() {
 		for {
 			select {
@@ -176,7 +176,7 @@ func parseArgs() {
 			return
 		case "exec":
 			parseConfig()
-			newTaskMan(0).run(new(changeFile))
+			newTaskMan(0, cfg.Notifier.CallUrl).run(new(changeFile))
 			return
 		case "version", "v", "-v", "--version":
 			fmt.Println(versionDesc)

filegirl.go

@@ -13,4 +13,7 @@ type FileGirl struct {
 		Exec            []string `yaml:"exec"`
 		DelayMillSecond int      `yaml:"delayMillSecond"`
 	}
+	Notifier struct {
+		CallUrl string `yaml:"callUrl"`
+	}
 }

notifer.go

@@ -0,0 +1,67 @@
+package main
+
+import (
+	"bytes"
+	"encoding/json"
+	"log"
+	"net/http"
+	"strings"
+)
+
+type postParams struct {
+	ProjectFolder string `json:"project_folder"`
+	File          string `json:"file"`
+	Changed       int64  `json:"changed"`
+	Ext           string `json:"ext"`
+}
+
+type NetNotifier struct {
+	CallUrl string
+	CanPost bool
+}
+
+func newNetNotifier(callUrl string) *NetNotifier {
+	callPost := true
+	if strings.TrimSpace(callUrl) == "" {
+		callPost = false
+	}
+	return &NetNotifier{
+		CallUrl: callUrl,
+		CanPost: callPost,
+	}
+}
+
+func (n *NetNotifier) Put(cf *changeFile) {
+	if !n.CanPost {
+		log.Println("notifier call url ignore. ", n.CallUrl)
+		return
+	}
+	n.dispatch(&postParams{
+		ProjectFolder: projectFolder,
+		File:          cf.Name,
+		Changed:       cf.Changed,
+		Ext:           cf.Ext,
+	})
+}
+
+func (n *NetNotifier) dispatch(params *postParams) {
+	b, err := json.Marshal(params)
+	if err != nil {
+		log.Println("error: json.Marshal n.params. ", err)
+		return
+	}
+	client := &http.Client{}
+	req, err := http.NewRequest("POST", n.CallUrl, bytes.NewBuffer(b))
+	if err != nil {
+		log.Println("error: http.NewRequest. ", err)
+		return
+	}
+	req.Header.Set("Content-Type", "application/json;charset=UTF-8")
+	req.Header.Set("User-Agent", "FileBoy Net Notifier v1.2")
+	resp, err := client.Do(req)
+	defer resp.Body.Close()
+	if resp.StatusCode >= 300 {
+		// todo retry???
+	}
+	log.Println("notifier done .")
+}

raw.go

@@ -53,6 +53,18 @@ command:
     # 合理设置延迟时间，将有效减少冗余和重复任务的执行
     # 如果不需要该特性，设置为 0
     delayMillSecond: 1000
+
+# 通知器
+notifier:
+    # 文件更改会向该 url 发送请求（POST 一段 json 文本数据）
+    # 例如: http://example.com/notifier/fileboy-listener
+    # 触发请求的时机和执行 command 命令是一致的
+    # POST 格式:
+    #    Content-Type: application/json;charset=UTF-8
+    #    User-Agent: FileBoy Net Notifier v1.2
+    #    Body: {"project_folder":"/watcher-dirs","file":"test.go","changed":1546421173070433800,"ext":".go"}
+    # 不启用通知，请留空
+    callUrl: ""
 `
 
 var firstRunHelp = `第一次运行 fileboy ?

taskman.go

@@ -14,13 +14,15 @@ type TaskMan struct {
 	lastTaskId int64
 	delay      int
 	cmd        *exec.Cmd
+	notifier   *NetNotifier
 	putLock    sync.Mutex
 	runLock    sync.Mutex
 }
 
-func newTaskMan(delay int) *TaskMan {
+func newTaskMan(delay int, callUrl string) *TaskMan {
 	return &TaskMan{
-		delay: delay,
+		delay:    delay,
+		notifier: newNetNotifier(callUrl),
 	}
 }
 
@@ -53,6 +55,7 @@ func (t *TaskMan) preRun(cf *changeFile) {
 }
 
 func (t *TaskMan) run(cf *changeFile) {
+	go t.notifier.Put(cf)
 	t.runLock.Lock()
 	defer t.runLock.Unlock()
 	for i := 0; i < len(cfg.Command.Exec); i++ {