// 按 key 推送.
func push(key string, msgBytes []byte, expire int) (ret int, mid int64) {
node := myrpc.GetComet(key)
if node == nil || node.CometRPC == nil {
logger.Errorf("Get comet node failed [key=%s]", key)
return NotFoundServer, 0
}
client := node.CometRPC.Get()
if client == nil {
logger.Errorf("Get comet node RPC client failed [key=%s]", key)
return NotFoundServer, 0
}
pushArgs := &myrpc.CometPushPrivateArgs{Msg: json.RawMessage(msgBytes), Expire: uint(expire), Key: key}
if err := client.Call(myrpc.CometServicePushPrivate, pushArgs, &mid); err != nil {
logger.Errorf("client.Call(\"%s\", \"%v\", &ret) error(%v)", myrpc.CometServicePushPrivate, string(msgBytes), err)
return InternalErr, 0
}
logger.Infof("Pushed a message to [key=%s]", key)
return OK, mid
}
// PushPrivate handle for push private message.
func PushPrivate(w http.ResponseWriter, r *http.Request) {
if r.Method != "POST" {
http.Error(w, "Method Not Allowed", 405)
return
}
body := ""
res := map[string]interface{}{"ret": app.OK}
defer app.RetPWrite(w, r, res, &body, time.Now())
// param
bodyBytes, err := ioutil.ReadAll(r.Body)
if err != nil {
res["ret"] = app.ParamErr
logger.Errorf("ioutil.ReadAll() failed (%s)", err.Error())
return
}
body = string(bodyBytes)
params := r.URL.Query()
key := params.Get("key")
expireStr := params.Get("expire")
if key == "" {
res["ret"] = app.ParamErr
return
}
expire, err := strconv.ParseUint(expireStr, 10, 32)
if err != nil {
res["ret"] = app.ParamErr
logger.Errorf("strconv.ParseUint(\"%s\", 10, 32) error(%v)", expireStr, err)
return
}
node := myrpc.GetComet(key)
if node == nil || node.CometRPC == nil {
res["ret"] = app.NotFoundServer
return
}
client := node.CometRPC.Get()
if client == nil {
res["ret"] = app.NotFoundServer
return
}
rm := json.RawMessage(bodyBytes)
msg, err := rm.MarshalJSON()
if err != nil {
res["ret"] = app.ParamErr
logger.Errorf("json.RawMessage(\"%s\").MarshalJSON() error(%v)", body, err)
return
}
args := &myrpc.CometPushPrivateArgs{Msg: json.RawMessage(msg), Expire: uint(expire), Key: key}
ret := 0
if err := client.Call(myrpc.CometServicePushPrivate, args, &ret); err != nil {
logger.Errorf("client.Call(\"%s\", \"%v\", &ret) error(%v)", myrpc.CometServicePushPrivate, args, err)
res["ret"] = app.InternalErr
return
}
return
}
// GetServer handle for server get
func GetServer0(w http.ResponseWriter, r *http.Request) {
if r.Method != "GET" {
http.Error(w, "Method Not Allowed", 405)
return
}
params := r.URL.Query()
key := params.Get("key")
callback := params.Get("callback")
protoStr := params.Get("proto")
res := map[string]interface{}{"ret": app.OK, "msg": "ok"}
defer app.RetWrite(w, r, res, callback, time.Now())
if key == "" {
res["ret"] = app.ParamErr
return
}
proto, err := strconv.Atoi(protoStr)
if err != nil {
logger.Errorf("strconv.Atoi(\"%s\") error(%v)", protoStr, err)
res["ret"] = app.ParamErr
return
}
// Match a push-server with the value computed through ketama algorithm
node := myrpc.GetComet(key)
if node == nil {
res["ret"] = app.NotFoundServer
return
}
addr := node.Addr[proto]
if addr == nil || len(addr) == 0 {
res["ret"] = app.NotFoundServer
return
}
server := ""
// Select the best ip
if app.Conf.Router != "" {
server = routerCN.SelectBest(r.RemoteAddr, addr)
logger.Tracef("select the best ip:\"%s\" match with remoteAddr:\"%s\" , from ip list:\"%v\"", server, r.RemoteAddr, addr)
}
if server == "" {
logger.Tracef("remote addr: \"%s\" chose the ip: \"%s\"", r.RemoteAddr, addr[0])
server = addr[0]
}
res["data"] = map[string]interface{}{"server": server}
return
}