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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"
)
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",
},
)
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)
var file *os.File
file, err = os.Open(configFile)
if err != nil {
err = fmt.Errorf("cannot open config file \"%v\": %w", configFile, err)
return
}
err = viper.ReadConfig(file)
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 := common.Zeroable[string](*saveToPtr).OrElse(".")
for i := 0; i < taskCount; i++ {
tasks[i] = recording.TaskConfig{
RoomId: common.RoomId((*rooms)[i]),
Transport: recording.DefaultTransportConfig(),
Download: recording.DownloadConfig{
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...")
chResult := make(chan recording.TaskResult)
wg := sync.WaitGroup{}
ctx, cancelTasks := context.WithCancel(context.Background())
for _, task := range tasks {
wg.Add(1)
go recording.RunTask(
ctx,
&wg,
&task,
chResult,
)
}
chSigInt := make(chan os.Signal)
signal.Notify(chSigInt, os.Interrupt)
loop:
for {
select {
case <-chSigInt:
logger.Println("YABR is stopped.")
cancelTasks()
break loop
case result := <-chResult:
err := result.Error
if err != nil {
logger.Printf("A task stopped with an error (room %v): %v\n",
result.Task.RoomId, result.Error)
} else {
logger.Printf("Task stopped (room %v): %v\n",
result.Task.RoomId, result.Task.String())
}
}
}
}
|
