Summary of cases of players' disconnection and reconnection in Huawei online battle service

Huawei online battle service disconnection and reconnection solution

During the game , Abnormal situations such as network fluctuations often occur , Cause players to drop the line , At this time, if the network is restored, you still want players to join the original game , You can reconnect in the following ways . The allowed reconnection time can be AppGallery Connec The console .

Network exceptions lead to offline scenarios

Network anomalies cause the player client to be disconnected from the online battle server , After a certain period, the server will set the player to be offline , If the game allows players to reconnect to the network after the network is restored in a short time, you need to use the drop and reconnect interface to realize this scenario .
Specifically, after the player enters the room , The game passes room.onDisconnect(playerInfo) Method to monitor player dropping events , This method will return player information . Judge if the player drops the line , You need to trigger room.reconnect() Method reconnection , In the process of reconnection, if the network has not been restored, try to reconnect all the time , If the network is restored, deal with it according to the results , You may jump to other game pages if you exceed the allowed reconnection time .

room.onDisconnect((playerInfo) => {
    
    //  The current player is disconnected 
    if(playerInfo.playerId === room.playerId){
    
       //  Reconnection logic 
       reConnect();
       }else{
    
        // Other players drop the line 
    }
}

reConnect() {
    
    //  Call the reconnect method to reconnect 
    room.reconnect().then(() => {
    
        // Reconnection success 
    }).catch((e) => {
    
        if (!e.code) {
    
            //  Network failure, continue to retry 
            this.reConnect();
            return;
        }
        if (e.code != 0) {
    
            //  Exit to other pages after the allowed reconnection time 
        }
    });
}

Closing the client leads to a drop

Players still want to reconnect to the previous game after closing and reopening the client , At this time, you can judge whether the player is still in a valid room in the return of the initialization interface , If it is still in, it means that it is still within the allowable reconnection time , You can use the join room interface to re join . If you don't want to join the last game at this time , You must call the interface to leave the room before you can re create the room .

client.init().then(() => {
    
    //  Successful initialization 
    if(client.lastRoomId){
    
      //  The current player is still in the previous room , According to the lastRoomId Rejoin the room 
      //  If you don't want to join the previous room , Must pass client.leaveRoom Leave the room , Otherwise, an error will be reported when creating a new room or matching a room ： The player is already in the room 
    }
  }).catch(() => {
    
    //  initialization failed 
  });