private WebConnectionGroup GetConnectionGroup(string name)
{
if (name == null)
{
name = "";
}
/*
* Optimization:
*
* In the vast majority of cases, we only have one single WebConnectionGroup per ServicePoint, so we
* don't need to allocate a dictionary.
*
*/
WebConnectionGroup group;
if (groups != null && groups.TryGetValue(name, out group))
{
return(group);
}
group = new WebConnectionGroup(this, name);
group.ConnectionClosed += (s, e) => currentConnections--;
if (groups == null)
{
groups = new Dictionary <string, WebConnectionGroup> ();
}
groups.Add(name, group);
return(group);
}
public bool CloseConnectionGroup(string connectionGroupName)
{
lock (this)
{
WebConnectionGroup cncGroup = GetConnectionGroup(connectionGroupName);
if (cncGroup != null)
{
cncGroup.Close();
return(true);
}
}
return(false);
}
private void RemoveConnectionGroup(WebConnectionGroup group)
{
if (groups == null)
{
return;
}
if (groups.Count == 0)
{
throw new InvalidOperationException();
}
groups.Remove(group.Name);
}
internal EventHandler SendRequest(HttpWebRequest request, string groupName)
{
WebConnection cnc;
lock (this)
{
bool created;
WebConnectionGroup cncGroup = GetConnectionGroup(groupName);
cnc = cncGroup.GetConnection(request, out created);
if (created)
{
++currentConnections;
if (idleTimer == null)
{
idleTimer = new Timer(IdleTimerCallback, null, maxIdleTime, maxIdleTime);
}
}
}
return(cnc.SendRequest(request));
}
public ConnectionState (WebConnectionGroup group)
{
Group = group;
idleSince = DateTime.UtcNow;
Connection = new WebConnection (this, group.sPoint);
}
void RemoveConnectionGroup(WebConnectionGroup group)
{
if (groups == null || groups.Count == 0)
{
// No more connection groups left.
if (group != firstGroup)
throw new InvalidOperationException();
firstGroup = null;
return;
}
if (group == firstGroup)
{
// Steal one entry from the dictionary.
var en = groups.GetEnumerator();
en.MoveNext();
firstGroup = en.Current.Value;
groups.Remove(en.Current.Key);
}
else
groups.Remove(group.Name);
}
WebConnectionGroup GetConnectionGroup(string name)
{
if (name == null)
name = "";
/*
* Optimization:
*
* In the vast majority of cases, we only have one single WebConnectionGroup per ServicePoint, so we
* don't need to allocate a dictionary.
*
*/
WebConnectionGroup group;
if (firstGroup != null && name == firstGroup.Name)
return firstGroup;
if (groups != null && groups.TryGetValue(name, out group))
return group;
group = new WebConnectionGroup(this, name);
group.ConnectionClosed += (s, e) => currentConnections--;
if (firstGroup == null)
firstGroup = group;
else
{
if (groups == null)
groups = new Dictionary<string, WebConnectionGroup>();
groups.Add(name, group);
}
return group;
}
public ConnectionState(WebConnectionGroup group)
{
Group = group;
idleSince = DateTime.UtcNow;
Connection = new WebConnection(this, group.sPoint);
}
