63 lines
889 B
Go
63 lines
889 B
Go
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package log
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import (
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"encoding/binary"
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"net"
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"time"
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)
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type SocketHandler struct {
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c net.Conn
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protocol string
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addr string
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}
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func NewSocketHandler(protocol string, addr string) (*SocketHandler, error) {
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s := new(SocketHandler)
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s.protocol = protocol
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s.addr = addr
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return s, nil
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}
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func (h *SocketHandler) Write(p []byte) (n int, err error) {
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if err = h.connect(); err != nil {
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return
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}
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buf := make([]byte, len(p)+4)
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binary.BigEndian.PutUint32(buf, uint32(len(p)))
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copy(buf[4:], p)
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n, err = h.c.Write(buf)
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if err != nil {
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h.c.Close()
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h.c = nil
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}
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return
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}
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func (h *SocketHandler) Close() error {
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if h.c != nil {
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h.c.Close()
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}
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return nil
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}
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func (h *SocketHandler) connect() error {
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if h.c != nil {
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return nil
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}
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var err error
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h.c, err = net.DialTimeout(h.protocol, h.addr, 20*time.Second)
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if err != nil {
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return err
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}
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return nil
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}
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