private async Task DirectConnectionJoinGroup(string connectionString)
{
var serviceManager = new ServiceManagerBuilder().WithOptions(option =>
{
option.ConnectionString = connectionString;
option.ServiceTransportType = ServiceTransportType.Transient;
}).Build();
var hubContext = await serviceManager.CreateHubContextAsync(SignalRConstants.DefaultRestHubName);
var connectionCount = _connections.Count;
if (connectionCount >= _groupCount)
{
for (var i = 0; i < _connections.Count; i++)
{
var userId = SignalRUtils.GenClientUserIdFromConnectionIndex(_connectionIndex[i]);
try
{
await hubContext.UserGroups.AddToGroupAsync(
userId,
SignalRUtils.GroupName(_type, _connectionIndex[i] % _groupCount));
_statisticsCollector.IncreaseJoinGroupSuccess();
}
catch (Exception e)
{
_statisticsCollector.IncreaseJoinGroupFail();
Log.Error($"Fail to join group: {e.Message}");
}
}
}
else
{
for (var i = 0; i < _groupCount; i++)
{
var userId = SignalRUtils.GenClientUserIdFromConnectionIndex(i);
try
{
await hubContext.UserGroups.AddToGroupAsync(
userId,
SignalRUtils.GroupName(_type, i));
_statisticsCollector.IncreaseJoinGroupSuccess();
}
catch (Exception e)
{
_statisticsCollector.IncreaseJoinGroupFail();
Log.Error($"Fail to join group: {e.Message}");
}
}
}
}
protected virtual async Task JoinLeaveGroup(int localIndex, IDictionary <string, object> data)
{
// Extract data
data.TryGetTypedValue(SignalRConstants.GroupName, out string groupName, Convert.ToString);
data.TryGetTypedValue(_isIngroup, out bool isInGroup, Convert.ToBoolean);
// Join or leave groups
if (isInGroup)
{
try
{
await Connections[localIndex].SendAsync(SignalRConstants.LeaveGroupCallbackName, groupName);
}
catch
{
StatisticsCollector.IncreaseLeaveGroupFail();
}
}
else
{
try
{
await Connections[localIndex].SendAsync(SignalRConstants.JoinGroupCallbackName, groupName);
}
catch
{
StatisticsCollector.IncreaseJoinGroupFail();
}
}
data[_isIngroup] = !isInGroup;
}
public static async Task JoinToGroup(
IHubConnectionAdapter connection,
string groupName,
StatisticsCollector statisticsCollector)
{
try
{
await connection.SendAsync(SignalRConstants.JoinGroupCallbackName, groupName);
}
catch
{
statisticsCollector.IncreaseJoinGroupFail();
}
}
