mirror of https://github.com/ergochat/ergo.git
69 lines
1.2 KiB
Go
69 lines
1.2 KiB
Go
package irc
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import (
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"bufio"
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"log"
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"net"
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"strings"
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)
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func readTrimmedLine(reader *bufio.Reader) (string, error) {
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line, err := reader.ReadString('\n')
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if err != nil {
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return "", err
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}
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return strings.TrimSpace(line), nil
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}
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// Adapt `net.Conn` to a `chan string`.
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func StringReadChan(conn net.Conn) <-chan string {
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ch := make(chan string)
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reader := bufio.NewReader(conn)
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go func() {
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for {
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line, err := readTrimmedLine(reader)
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if err != nil {
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break
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}
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if DEBUG_NET {
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log.Printf("%s → %s : %s", conn.RemoteAddr(), conn.LocalAddr(), line)
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}
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ch <- line
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}
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close(ch)
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}()
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return ch
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}
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func StringWriteChan(conn net.Conn) chan<- string {
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ch := make(chan string)
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writer := bufio.NewWriter(conn)
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go func() {
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for str := range ch {
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if DEBUG_NET {
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log.Printf("%s ← %s : %s", conn.RemoteAddr(), conn.LocalAddr(), str)
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}
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if _, err := writer.WriteString(str + "\r\n"); err != nil {
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break
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}
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writer.Flush()
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}
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close(ch)
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}()
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return ch
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}
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func LookupHostname(addr net.Addr) string {
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addrStr := addr.String()
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ipaddr, _, err := net.SplitHostPort(addrStr)
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if err != nil {
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return addrStr
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}
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names, err := net.LookupHost(ipaddr)
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if err != nil {
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return ipaddr
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}
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return names[0]
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}
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