op-geth/cmd/geth/library_android.go

57 lines
1.5 KiB
Go

// Copyright 2015 The go-ethereum Authors
// This file is part of go-ethereum.
//
// go-ethereum is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// go-ethereum is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with go-ethereum. If not, see <http://www.gnu.org/licenses/>.
// Contains specialized code for running Geth on Android.
package main
// #include <android/log.h>
// #cgo LDFLAGS: -llog
import "C"
import (
"bufio"
"os"
)
func init() {
// Redirect the standard output and error to logcat
oldStdout, oldStderr := os.Stdout, os.Stderr
outRead, outWrite, _ := os.Pipe()
errRead, errWrite, _ := os.Pipe()
os.Stdout = outWrite
os.Stderr = errWrite
go func() {
scanner := bufio.NewScanner(outRead)
for scanner.Scan() {
line := scanner.Text()
C.__android_log_write(C.ANDROID_LOG_INFO, C.CString("Stdout"), C.CString(line))
oldStdout.WriteString(line + "\n")
}
}()
go func() {
scanner := bufio.NewScanner(errRead)
for scanner.Scan() {
line := scanner.Text()
C.__android_log_write(C.ANDROID_LOG_INFO, C.CString("Stderr"), C.CString(line))
oldStderr.WriteString(line + "\n")
}
}()
}