network enhanecment / refactor (#361)

* chore(network): improve connectivity check

* refactor(network): rewrite network and timesync component

* feat(display): show cloud connection status

* chore: change logging verbosity

* chore(websecure): update log message

* fix(ota): validate root certificate when downloading update

* feat(ui): add network settings tab

* fix(display): cloud connecting animation

* fix: golintci issues

* feat: add network settings tab

* feat(timesync): query servers in parallel

* refactor(network): move to internal/network package

* feat(timesync): add metrics

* refactor(log): move log to internal/logging package

* refactor(mdms): move mdns to internal/mdns package

* feat(developer): add pprof endpoint

* feat(logging): add a simple logging streaming endpoint

* fix(mdns): do not start mdns until network is up

* feat(network): allow users to update network settings from ui

* fix(network): handle errors when net.IPAddr is nil

* fix(mdns): scopedLogger SIGSEGV

* fix(dhcp): watch directory instead of file to catch fsnotify.Create event

* refactor(nbd): move platform-specific code to different files

* refactor(native): move platform-specific code to different files

* chore: fix linter issues

* chore(dev_deploy): allow to override PION_LOG_TRACE

native_linux.go

@@ -0,0 +1,57 @@
+//go:build linux
+
+package kvm
+
+import (
+	"fmt"
+	"os/exec"
+	"sync"
+	"syscall"
+
+	"github.com/rs/zerolog"
+)
+
+type nativeOutput struct {
+	mu     *sync.Mutex
+	logger *zerolog.Event
+}
+
+func (w *nativeOutput) Write(p []byte) (n int, err error) {
+	w.mu.Lock()
+	defer w.mu.Unlock()
+
+	w.logger.Msg(string(p))
+	return len(p), nil
+}
+
+func startNativeBinary(binaryPath string) (*exec.Cmd, error) {
+	// Run the binary in the background
+	cmd := exec.Command(binaryPath)
+
+	nativeOutputLock := sync.Mutex{}
+	nativeStdout := &nativeOutput{
+		mu:     &nativeOutputLock,
+		logger: nativeLogger.Info().Str("pipe", "stdout"),
+	}
+	nativeStderr := &nativeOutput{
+		mu:     &nativeOutputLock,
+		logger: nativeLogger.Info().Str("pipe", "stderr"),
+	}
+
+	// Redirect stdout and stderr to the current process
+	cmd.Stdout = nativeStdout
+	cmd.Stderr = nativeStderr
+
+	// Set the process group ID so we can kill the process and its children when this process exits
+	cmd.SysProcAttr = &syscall.SysProcAttr{
+		Setpgid:   true,
+		Pdeathsig: syscall.SIGKILL,
+	}
+
+	// Start the command
+	if err := cmd.Start(); err != nil {
+		return nil, fmt.Errorf("failed to start binary: %w", err)
+	}
+
+	return cmd, nil
+}