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socketbinding.go
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socketbinding.go
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package input
import (
"net"
"os"
"strings"
"encoding/json"
"github.com/leukipp/cortile/v2/common"
"github.com/leukipp/cortile/v2/desktop"
log "github.com/sirupsen/logrus"
)
type Message[T any] struct {
Type string // Socket message type
Name string // Socket message name
Data T // Socket message data
}
func BindSocket(tr *desktop.Tracker) {
// Create a unix domain socket listener
listener, err := net.Listen("unix", common.Args.Sock+".in")
if err != nil {
os.Remove(common.Args.Sock + ".in")
log.Warn("Listener connection error: ", err)
return
}
go listen(listener, tr)
}
func NotifySocket[T any](m Message[T]) {
if _, err := os.Stat(common.Args.Sock + ".out"); os.IsNotExist(err) {
return
}
// Create a unix domain socket dialer
dialer, err := net.Dial("unix", common.Args.Sock+".out")
if err != nil {
os.Remove(common.Args.Sock + ".out")
log.Warn("Dealer connection error: ", err)
return
}
// Parse outgoing data
data, err := json.Marshal(m)
if err != nil {
log.Warn("Dealer parse error: ", err)
return
}
msg := string(data)
log.Info("Send socket message ", common.TruncateString(msg, 100), "...")
// Warn about socket communication (deprecated)
log.Warn("Socket communication is deprecated and will be removed in future releases (issue #51)")
// Write outgoing data
_, err = dialer.Write([]byte(msg))
if err != nil {
log.Warn("Dealer write error: ", err)
}
}
func listen(listener net.Listener, tr *desktop.Tracker) {
for {
// Listen for incoming data
connection, err := listener.Accept()
if err != nil {
log.Warn("Listener accept error: ", err)
return
}
// Read incoming data
data := make([]byte, 4096)
n, err := connection.Read(data)
if err != nil {
log.Warn("Listener read error: ", err)
return
}
msg := strings.TrimSpace(string(data[:n]))
log.Info("Receive socket message ", common.TruncateString(msg, 100), "...")
// Parse incoming data
var kv map[string]string
err = json.Unmarshal(data[:n], &kv)
if err != nil {
log.Warn("Listener parse error: ", err)
return
}
// Warn about socket communication (deprecated)
log.Warn("Socket communication is deprecated and will be removed in future releases (issue #51)")
// Execute action
if v, ok := kv["Action"]; ok {
ExecuteAction(v, tr, tr.ActiveWorkspace())
}
// Query state
if v, ok := kv["State"]; ok {
Query(v, tr)
}
}
}