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smsd.go
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smsd.go
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package gammu
import (
"fmt"
"os"
"os/exec"
"path/filepath"
"strings"
"sync"
)
type ModemRun struct {
ModemNumber int
Run bool
Error string
}
func (g *Gammu) RunSMSD(modem *Modem) error {
_, cfgPath, err := g.CreateConfig(modem)
if err != nil {
return fmt.Errorf("create config error: %s", err)
}
pidPath := filepath.Join(g.PidDir, modem.IMSI)
out, err := exec.Command("gammu-smsd", "-c", cfgPath, "-p", pidPath, "-d").CombinedOutput()
if err != nil {
return fmt.Errorf("run gammu-smsd error: %s, output: %s, config: %s", err, string(out), cfgPath)
}
return nil
}
func (g *Gammu) RunAll(modems map[int]*Modem) []ModemRun {
var wg sync.WaitGroup
ch := make(chan ModemRun)
for _, modem := range modems {
wg.Add(1)
i := modem
go func() {
defer wg.Done()
err := g.RunSMSD(i)
if err == nil {
ch <- ModemRun{ModemNumber: i.Num, Run: true}
} else {
ch <- ModemRun{ModemNumber: i.Num, Run: false, Error: err.Error()}
}
}()
}
go func() {
wg.Wait()
close(ch)
}()
var results []ModemRun
for channelResult := range ch {
results = append(results, channelResult)
}
return results
}
func (g *Gammu) Stop(modemID string) error {
pid, err := g.GetPID(modemID)
if err != nil {
return err
}
out, err := exec.Command("kill", "-SIGINT", pid).CombinedOutput()
if err != nil {
return fmt.Errorf("stop gammu-smsd (modemID: %s) error: %s, output: %s", modemID, err, string(out))
}
return nil
}
func (g *Gammu) Reload(modemID string) error {
pid, err := g.GetPID(modemID)
if err != nil {
return err
}
out, err := exec.Command("kill", "-SIGHUP", pid).CombinedOutput()
if err != nil {
return fmt.Errorf("reload gammu-smsd (modemID: %s) error: %s, Output: %s", modemID, err, string(out))
}
return nil
}
func (g *Gammu) GetPID(modemID string) (string, error) {
path := filepath.Join(g.PidDir, modemID)
out, err := os.ReadFile(path)
if err != nil {
return "", fmt.Errorf("read %s error: %s, output: %s", path, err, string(out))
}
return strings.TrimSpace(string(out)), nil
}