示例#1
0
文件: conn.go 项目: cuiwm/reborn
func (c *conn) sendCommand(cmd string, args ...interface{}) error {
	deadline := time.Now().Add(time.Second * 5)
	if err := c.nc.SetWriteDeadline(deadline); err != nil {
		return errors.Trace(err)
	}

	return c.writeRESP(redis.NewRequest(cmd, args...))
}
示例#2
0
文件: main_test.go 项目: CowLeo/qdb
func (pc *testPoolConn) doCmd(c *C, cmd string, args ...interface{}) redis.Resp {
	r := bufio.NewReaderSize(pc.Conn, 32)
	w := bufio.NewWriterSize(pc.Conn, 32)

	req := redis.NewRequest(cmd, args...)
	err := redis.Encode(w, req)
	c.Assert(err, IsNil)

	err = w.Flush()
	c.Assert(err, IsNil)

	resp, err := redis.Decode(r)
	c.Assert(err, IsNil)

	return resp
}
示例#3
0
文件: conn.go 项目: cuiwm/reborn
// send PSYNC command and return the first reply line from master
func (c *conn) prePSync(masterRunID string, syncOffset int64) (string, error) {
	deadline := time.Now().Add(time.Second * 5)
	if err := c.nc.SetDeadline(deadline); err != nil {
		return "", errors.Trace(err)
	}

	if err := c.writeRESP(redis.NewRequest("PSYNC", masterRunID, syncOffset)); err != nil {
		return "", errors.Trace(err)
	}

	rsp, err := c.readLine()
	if err != nil {
		return "", errors.Trace(err)
	}
	return string(rsp), nil
}
示例#4
0
文件: conn.go 项目: cuiwm/reborn
func (c *conn) ping() error {
	deadline := time.Now().Add(time.Second * 5)
	if err := c.nc.SetDeadline(deadline); err != nil {
		return errors.Trace(err)
	}

	if err := c.writeRESP(redis.NewRequest("PING")); err != nil {
		return errors.Trace(err)
	}

	if rsp, err := c.readLine(); err != nil {
		return errors.Trace(err)
	} else if strings.ToLower(string(rsp)) != "+pong" {
		return errors.Errorf("invalid response of command ping: %s", rsp)
	}

	return nil
}
示例#5
0
文件: repl.go 项目: CowLeo/qdb
func (h *Handler) replicationFeedSlaves(f *store.Forward) error {
	h.repl.Lock()
	defer h.repl.Unlock()

	r := &h.repl
	if r.backlogBuf == nil && len(r.slaves) == 0 {
		return nil
	}

	if r.backlogBuf == nil {
		if err := h.createReplicationBacklog(); err != nil {
			return errors.Trace(err)
		}
	}

	if r.lastSelectDB.Get() != int64(f.DB) {
		selectCmd, _ := redis.EncodeToBytes(redis.NewRequest("SELECT", f.DB))

		// write SELECT into backlog
		if err := h.feedReplicationBacklog(selectCmd); err != nil {
			return errors.Trace(err)
		}

		r.lastSelectDB.Set(int64(f.DB))
	}

	// encode Forward with RESP format, then write into backlog
	if buf, err := h.respEncodeStoreForward(f); err != nil {
		return errors.Trace(err)
	} else if err = h.feedReplicationBacklog(buf); err != nil {
		return errors.Trace(err)
	}

	// notice slaves replication backlog has new data, need to sync
	if err := h.replicationNoticeSlavesSyncing(); err != nil {
		return errors.Trace(err)
	}

	return nil
}