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package main
import (
"bilibili-livestream-archiver/common"
"bilibili-livestream-archiver/recording"
"context"
"fmt"
"github.com/akamensky/argparse"
"github.com/spf13/viper"
"log"
"os"
"os/signal"
"sync"
"syscall"
)
var globalConfig *GlobalConfig
func getTasks() (tasks []recording.TaskConfig) {
var err error
parser := argparse.NewParser(
"slbr",
"Record bilibili live streams",
)
defer func() {
if err != nil {
fmt.Printf("ERROR: %v.\n", err)
fmt.Print(parser.Usage(""))
os.Exit(0)
}
}()
configFilePtr := parser.String(
"c", "config",
&argparse.Options{
Required: false,
Help: "Specify which configuration file to use. JSON, TOML and YAML are all supported.",
},
)
rooms := parser.IntList(
"s", "room",
&argparse.Options{
Required: false,
Help: "The room id to record. Set this to run without config file",
},
)
saveToPtr := parser.String(
"o", "save-to",
&argparse.Options{
Required: false,
Help: "Specify which configuration file to use",
Default: ".",
},
)
diskBufSizePtr := parser.Int(
"b", "disk-write-buffer",
&argparse.Options{
Required: false,
Help: "Specify disk write buffer size (bytes). The real minimum buffer size is determined by OS",
Default: -1,
},
)
err = parser.Parse(os.Args)
if err != nil {
return
}
fromCli := len(*rooms) > 0
fromFile := *configFilePtr != ""
if fromCli == fromFile {
err = fmt.Errorf("cannot specify room id argument and config file at the same time")
return
}
if !fromCli && !fromFile {
err = fmt.Errorf("no task specified")
return
}
if fromFile {
configFile := *configFilePtr
fmt.Printf("Config file: %v\n", configFile)
viper.SetConfigFile(configFile)
err = viper.ReadInConfig()
if err != nil {
err = fmt.Errorf("cannot open config file \"%v\": %w", configFile, err)
return
}
if err != nil {
err = fmt.Errorf("cannot read config file \"%v\": %w", configFile, err)
return
}
var gc GlobalConfig
err = viper.Unmarshal(&gc)
if err != nil {
err = fmt.Errorf("cannot parse config file \"%v\": %w", configFile, err)
return
}
globalConfig = &gc
return globalConfig.Tasks
}
// generate task list from cli
taskCount := len(*rooms)
tasks = make([]recording.TaskConfig, taskCount)
saveTo := *saveToPtr
diskBufSize := *diskBufSizePtr
for i := 0; i < taskCount; i++ {
tasks[i] = recording.TaskConfig{
RoomId: common.RoomId((*rooms)[i]),
Transport: recording.DefaultTransportConfig(),
Download: recording.DownloadConfig{
DiskWriteBufferBytes: diskBufSize,
SaveDirectory: saveTo,
},
}
}
return
}
func main() {
tasks := getTasks()
fmt.Println("Record tasks:")
for i, task := range tasks {
fmt.Printf("[%2d] %s\n", i+1, task)
}
fmt.Println("")
logger := log.Default()
logger.Printf("Starting tasks...")
wg := sync.WaitGroup{}
defer func() {
wg.Wait()
logger.Println("Stopping YABR...")
}()
ctx, cancelTasks := context.WithCancel(context.Background())
for _, task := range tasks {
wg.Add(1)
go recording.RunTask(ctx, &wg, &task)
}
// listen on stop signals
chSigStop := make(chan os.Signal)
signal.Notify(chSigStop,
syscall.SIGHUP,
syscall.SIGINT,
syscall.SIGTERM)
go func() {
<-chSigStop
cancelTasks()
}()
chSigQuit := make(chan os.Signal)
signal.Notify(chSigQuit, syscall.SIGQUIT)
go func() {
<-chSigQuit
os.Exit(0)
}()
// block main goroutine on task goroutines
wg.Wait()
}
|
