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mirror of https://github.com/v2fly/v2ray-core.git synced 2024-11-10 06:16:53 -05:00
v2fly/main/commands/all/api/log.go
2022-01-02 15:16:23 +00:00

89 lines
1.8 KiB
Go

package api
import (
"io"
"log"
"os"
logService "github.com/v2fly/v2ray-core/v5/app/log/command"
"github.com/v2fly/v2ray-core/v5/main/commands/base"
)
var cmdLog = &base.Command{
CustomFlags: true,
UsageLine: "{{.Exec}} api log [--server=127.0.0.1:8080]",
Short: "log operations",
Long: `
Follow and print logs from v2ray.
> Make sure you have "LoggerService" set in "config.api.services"
of server config.
> It ignores -timeout flag while following logs
Arguments:
-restart
Restart the logger
-s, -server <server:port>
The API server address. Default 127.0.0.1:8080
-t, -timeout <seconds>
Timeout seconds to call API. Default 3
Example:
{{.Exec}} {{.LongName}}
{{.Exec}} {{.LongName}} --restart
`,
Run: executeLog,
}
func executeLog(cmd *base.Command, args []string) {
var restart bool
cmd.Flag.BoolVar(&restart, "restart", false, "")
setSharedFlags(cmd)
cmd.Flag.Parse(args)
if restart {
restartLogger()
return
}
followLogger()
}
func restartLogger() {
conn, ctx, close := dialAPIServer()
defer close()
client := logService.NewLoggerServiceClient(conn)
r := &logService.RestartLoggerRequest{}
_, err := client.RestartLogger(ctx, r)
if err != nil {
base.Fatalf("failed to restart logger: %s", err)
}
}
func followLogger() {
conn, ctx, close := dialAPIServerWithoutTimeout()
defer close()
client := logService.NewLoggerServiceClient(conn)
r := &logService.FollowLogRequest{}
stream, err := client.FollowLog(ctx, r)
if err != nil {
base.Fatalf("failed to follow logger: %s", err)
}
// work with `v2ray api log | grep expr`
log.SetOutput(os.Stdout)
for {
resp, err := stream.Recv()
if err == io.EOF {
break
}
if err != nil {
base.Fatalf("failed to fetch log: %s", err)
}
log.Println(resp.Message)
}
}