func queryChannelsOnServer(server string, channels []string) {
defer func() {
err, isErr := recover().(error)
if isErr {
fmt.Fprintf(os.Stderr, "Error occurred when querying channels on %s: %s.\n", server, err.Error())
}
}()
var debugIRC io.Writer = nil
if confDebugIRC {
debugIRC = os.Stderr
}
bot, err := irc.Connect(server, confNickname, confUsername, debugIRC)
if err != nil {
panic(err)
}
defer bot.Disconnect()
for i, ch := range channels {
errs := []error{}
for _, method := range confQueryMethods {
res, err := method.Query(bot, ch)
if err != nil {
errs = append(errs, err)
continue
}
fmt.Printf("%s\t%d\t%s\t%s\n", res.Name, res.NumberOfUsers, method.Name(), res.Topic)
goto next
}
fmt.Fprintf(os.Stderr, "Failed to query %s@%s,\n", ch, server)
for _, err := range errs {
fmt.Fprintf(os.Stderr, " %s\n", err.Error())
}
next:
if i+1 != len(channels) {
time.Sleep(confTimeout)
}
}
}
func channelCheckServer(ctx *mainContext, db *sql.DB, network *dbNetwork, chs []channel) {
defer func() {
err, isErr := recover().(error)
if isErr {
log.Printf("Error occurred while checking channels on '%s': %s\n", network.network, err.Error())
}
}()
network_chs := []channel{}
for _, ch := range chs {
if ch.Network() != network.network {
continue
}
if ch.Checked() {
dur := time.Now().Sub(ch.CheckTime())
if dur < time.Hour*24*7 {
continue
}
}
network_chs = append(network_chs, ch)
}
if len(network_chs) == 0 {
return
}
log.Printf("Checking channels on %s.\n", network.network)
var bot *irc.Conn
var err error
for _, server := range network.servers {
bot, err = irc.Connect(server, ctx.conf.IRCBotNickname(), ctx.conf.IRCBotRealname(), nil)
if err != nil {
log.Printf("Failed to connect to %s: %s.\n", server, err.Error())
continue
}
defer bot.Disconnect()
break
}
if bot == nil {
log.Printf("Could not connect to any address associated with %s.\n", network.network)
return
}
for _, ch := range network_chs {
if ch.Network() != network.network {
continue
}
log.Printf("Checking %s@%s.\n", ch.Name(), ch.Network())
status, method, err := channelCheck(bot, ch.Name())
str := ""
if err != nil {
str = err.Error()
err = dbUpdateStatus(db, ch.Name(), ch.Network(), 0, "", "fail", str, time.Now())
} else {
log.Printf("%s@%s %d Topic: %s\n", ch.Name(), ch.Network(), status.NumberOfUsers, status.Topic)
err = dbUpdateStatus(db, ch.Name(), ch.Network(), status.NumberOfUsers, status.Topic, method, str, time.Now())
}
if err != nil {
log.Fatalf("Database error when updating channel status: %s.\n", err.Error())
}
time.Sleep(5 * time.Second)
}
}