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Catching errors in socket callbacks

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Catching errors in socket callbacks to avoid having the server crashing when an error occurs.
This commit is contained in:
David Négrier 2020-05-12 11:49:55 +02:00
parent b50f28176e
commit 256fa51e24
3 changed files with 73 additions and 54 deletions
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113
back/src/Controller/IoSocketController.ts
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@ -88,46 +88,56 @@ export class IoSocketController {
y: user y position on map
*/
socket.on(SockerIoEvent.JOIN_ROOM, (message: string) => {
let messageUserPosition = this.hydrateMessageReceive(message);
if (messageUserPosition instanceof Error) {
return socket.emit(SockerIoEvent.MESSAGE_ERROR, JSON.stringify({message: messageUserPosition.message}))
try {
let messageUserPosition = this.hydrateMessageReceive(message);
if (messageUserPosition instanceof Error) {
return socket.emit(SockerIoEvent.MESSAGE_ERROR, JSON.stringify({message: messageUserPosition.message}))
}
let Client = (socket as ExSocketInterface);
if(Client.roomId === messageUserPosition.roomId){
return;
}
//leave previous room
this.leaveRoom(Client);
//join new previous room
this.joinRoom(Client, messageUserPosition);
// sending to all clients in room except sender
this.saveUserInformation(Client, messageUserPosition);
//add function to refresh position user in real time.
this.refreshUserPosition(Client);
socket.to(messageUserPosition.roomId).emit(SockerIoEvent.JOIN_ROOM, messageUserPosition.toString());
} catch (e) {
console.error('An error occurred on "join_room" event');
console.error(e);
}
let Client = (socket as ExSocketInterface);
if(Client.roomId === messageUserPosition.roomId){
return;
}
//leave previous room
this.leaveRoom(Client);
//join new previous room
this.joinRoom(Client, messageUserPosition);
// sending to all clients in room except sender
this.saveUserInformation(Client, messageUserPosition);
//add function to refresh position user in real time.
this.refreshUserPosition(Client);
socket.to(messageUserPosition.roomId).emit(SockerIoEvent.JOIN_ROOM, messageUserPosition.toString());
});
socket.on(SockerIoEvent.USER_POSITION, (message: string) => {
let messageUserPosition = this.hydrateMessageReceive(message);
if (messageUserPosition instanceof Error) {
return socket.emit(SockerIoEvent.MESSAGE_ERROR, JSON.stringify({message: messageUserPosition.message}));
try {
let messageUserPosition = this.hydrateMessageReceive(message);
if (messageUserPosition instanceof Error) {
return socket.emit(SockerIoEvent.MESSAGE_ERROR, JSON.stringify({message: messageUserPosition.message}));
}
let Client = (socket as ExSocketInterface);
// sending to all clients in room except sender
this.saveUserInformation(Client, messageUserPosition);
//refresh position of all user in all rooms in real time
this.refreshUserPosition(Client);
} catch (e) {
console.error('An error occurred on "user_position" event');
console.error(e);
}
let Client = (socket as ExSocketInterface);
// sending to all clients in room except sender
this.saveUserInformation(Client, messageUserPosition);
//refresh position of all user in all rooms in real time
this.refreshUserPosition(Client);
});
});
socket.on(SockerIoEvent.WEBRTC_SIGNAL, (message: string) => {
let data: any = JSON.parse(message);
@ -153,24 +163,29 @@ export class IoSocketController {
});
socket.on(SockerIoEvent.DISCONNECT, () => {
let Client = (socket as ExSocketInterface);
this.sendDisconnectedEvent(Client);
try {
let Client = (socket as ExSocketInterface);
this.sendDisconnectedEvent(Client);
//refresh position of all user in all rooms in real time
this.refreshUserPosition(Client);
//refresh position of all user in all rooms in real time
this.refreshUserPosition(Client);
//leave room
this.leaveRoom(Client);
//leave room
this.leaveRoom(Client);
//leave webrtc room
socket.leave(Client.webRtcRoomId);
//leave webrtc room
socket.leave(Client.webRtcRoomId);
//delete all socket information
delete Client.userId;
delete Client.webRtcRoomId;
delete Client.roomId;
delete Client.token;
delete Client.position;
//delete all socket information
delete Client.userId;
delete Client.webRtcRoomId;
delete Client.roomId;
delete Client.token;
delete Client.position;
} catch (e) {
console.error('An error occurred on "disconnect"');
console.error(e);
}
});
});
}