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engine/main.go
2022-05-03 14:38:59 +08:00

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package engine // import "m7s.live/engine/v4"
import (
"bytes"
"context"
"fmt"
"io/ioutil"
"net/http"
"os"
"path/filepath"
"runtime"
"time"
"github.com/google/uuid"
. "github.com/logrusorgru/aurora"
"go.uber.org/zap"
"gopkg.in/yaml.v3"
"m7s.live/engine/v4/config"
"m7s.live/engine/v4/log"
"m7s.live/engine/v4/util"
)
var (
ExecPath = os.Args[0]
ExecDir = filepath.Dir(ExecPath)
// ConfigRaw 配置信息的原始数据
ConfigRaw []byte
StartTime time.Time //启动时间
Plugins = make(map[string]*Plugin) // Plugins 所有的插件配置
EngineConfig = &GlobalConfig{
Engine: config.Global,
}
settingDir = filepath.Join(ExecDir, ".m7s") //配置缓存目录,该目录按照插件名称作为文件名存储修改过的配置
Engine = InstallPlugin(EngineConfig) //复用安装插件逻辑将全局配置信息注入并启动server
MergeConfigs = []string{"Publish", "Subscribe", "HTTP"} //需要合并配置的属性项,插件若没有配置则使用全局配置
EventBus = make(chan any, 10)
)
// Run 启动Monibuca引擎传入总的Context可用于关闭所有
func Run(ctx context.Context, configFile string) (err error) {
StartTime = time.Now()
Engine.Context = ctx
if _, err := os.Stat(configFile); err != nil {
configFile = filepath.Join(ExecDir, configFile)
}
if err := util.CreateShutdownScript(); err != nil {
log.Error("create shutdown script error:", err)
}
if ConfigRaw, err = ioutil.ReadFile(configFile); err != nil {
log.Warn("read config file error:", err.Error())
}
if err = os.MkdirAll(settingDir, 0755); err != nil {
log.Error("create dir .m7s error:", err)
return
}
log.Info(Blink("Ⓜ starting m7s v4"))
var cg config.Config
if ConfigRaw != nil {
if err = yaml.Unmarshal(ConfigRaw, &cg); err == nil {
Engine.RawConfig = cg.GetChild("global")
//将配置信息同步到结构体
Engine.RawConfig.Unmarshal(config.Global)
}
}
Engine.Logger = log.With(zap.Bool("engine", true))
Engine.registerHandler()
// 使得RawConfig具备全量配置信息用于合并到插件配置中
Engine.RawConfig = config.Struct2Config(EngineConfig.Engine)
log.With(zap.String("config", "global")).Debug("", zap.Any("config", EngineConfig))
go EngineConfig.Listen(Engine)
for name, plugin := range Plugins {
plugin.RawConfig = cg.GetChild(name)
plugin.assign()
}
UUID := uuid.NewString()
reportTimer := time.NewTimer(time.Minute)
contentBuf := bytes.NewBuffer(nil)
req, _ := http.NewRequestWithContext(ctx, http.MethodPost, "https://logs-01.loggly.com/inputs/758a662d-f630-40cb-95ed-2502a5e9c872/tag/monibuca/", nil)
req.Header.Set("Content-Type", "application/json")
content := fmt.Sprintf(`{"uuid":"%s","version":"%s","os":"%s","arch":"%s"`, UUID, Engine.Version, runtime.GOOS, runtime.GOARCH)
if EngineConfig.Secret != "" {
EngineConfig.OnEvent(ctx)
}
var c http.Client
for {
select {
case event := <-EventBus:
for _, plugin := range Plugins {
plugin.Config.OnEvent(event)
}
case <-ctx.Done():
return
case <-reportTimer.C:
contentBuf.Reset()
postJson := fmt.Sprintf(`%s,"streams":%d}`, content, len(Streams.Map))
contentBuf.WriteString(postJson)
req.Body = ioutil.NopCloser(contentBuf)
c.Do(req)
}
}
}