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| ' mode serveur
Private Sub SocketListen()
socketServer = New Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp)
socketServer.Bind(New IPEndPoint(ipServer, 15))
socketServer.Listen(10)
socketServer.BeginAccept(New AsyncCallback(AddressOf connexionAcceptCallback), socketServer)
End Sub
Private Sub connexionAcceptCallback(ByVal asyncResult As IAsyncResult)
MsgBox("connexionAcceptCallback")
s2 = socketServer.EndAccept(asyncResult)
s2.BeginReceive(tempBuffer, 0, tempBuffer.Length, SocketFlags.None, AddressOf ReceiveCallback, socketClient)
End Sub
' mode client
Private Sub ConnectToServer()
socketClient = New Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp)
socketClient.BeginConnect(New IPEndPoint(ipServer, 15), AddressOf ConnexionConnectCallback, socketClient)
End Sub
Private Sub ConnexionConnectCallback(ByVal asyncResult As IAsyncResult)
If socketClient.Connected = False Then
MsgBox("La connexion vers le serveur a échouée")
Else
socketClient.BeginReceive(tempBuffer, 0, tempBuffer.Length, SocketFlags.None, AddressOf ReceiveCallback, socketClient)
socketClient.EndConnect(asyncResult)
End If
End Sub
' callback pour la reception des messages
Private Sub ReceiveCallback(ByVal asyncResult As IAsyncResult)
Dim mesg As String
MsgBox(System.Text.Encoding.ASCII.GetString(tempBuffer))
If mode = "server" Then
Dim read As Integer = s2.EndReceive(asyncResult)
s2.BeginReceive(tempBuffer, 0, tempBuffer.Length, SocketFlags.None, AddressOf ReceiveCallback, s2)
mesg = System.Text.Encoding.ASCII.GetString(tempBuffer)
' si le serveur recoit un message de type end il incremente son compteur
If (StrComp(mesg, "end")) Then
counter += 1
If myVideo.Playing = False And counter = 2 Then
PlayVideos()
End If
End If
ElseIf mode = "client" Then
Dim read As Integer = socketClient.EndReceive(asyncResult)
socketClient.BeginReceive(tempBuffer, 0, tempBuffer.Length, SocketFlags.None, AddressOf ReceiveCallback, socketClient)
mesg = System.Text.Encoding.ASCII.GetString(tempBuffer)
' si le client recoit un message de type replay il relance sa video
If (StrComp(mesg, "replay")) Then
myVideo.Play()
End If
End If
End Sub
' callback pour l'envoi des messages
Private Sub SendCallback(ByVal asyncResult As IAsyncResult)
If mode = "server" Then
Dim send As Integer = s2.EndSend(asyncResult)
ElseIf mode = "client" Then
Dim send As Integer = socketClient.EndSend(asyncResult)
End If
End Sub |
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