private static string ToString(CMessageSender ms)
{
return(string.Format("Sender attributes = (ip = {0}, port = {1}, self = {2}, service id = {3}, userid = {4})", ms.IpAddress, ms.Port, ms.SelfMessage, ms.SvsID, ms.UserId));
}
private void Push_OnPublish(CClientSocket sender, CMessageSender messageSender, uint[] group, object msg)
{
//this event is fired from worker thread from socket pool thread
string message = "", filter = "";
List <KeyValuePair <DataColumn, object> > vKeyVal = new List <KeyValuePair <DataColumn, object> >();
object[] vData = (object[])msg;
//vData[0] == event type; vData[1] == host; vData[2] = user; vData[3] == db name; vData[4] == table name
tagUpdateEvent ue = (tagUpdateEvent)(int)vData[0];
string table_name = vData[3].ToString() + "." + vData[4].ToString();
lock (m_cs)
{
DataTable dt = m_ds.Tables[table_name];
if (dt == null)
{
return;
}
DataColumn[] keys = dt.PrimaryKey;
int cols = dt.Columns.Count;
switch (ue)
{
case tagUpdateEvent.ueUpdate:
{
foreach (DataColumn dc in keys)
{
KeyValuePair <DataColumn, object> kv = new KeyValuePair <DataColumn, object>(dc, vData[5 + 2 * dc.Ordinal]);
vKeyVal.Add(kv);
}
DataRow dr = FindRowByKeys(dt, vKeyVal, ue, out filter);
for (int n = 0; n < cols; ++n)
{
if (dt.Columns[n].ReadOnly)
{
continue;
}
object d = vData[5 + 2 * n + 1];
dr[n] = d;
}
message = "Table " + table_name + " updated for row (" + filter + ")";
}
break;
case tagUpdateEvent.ueDelete:
{
int index = 0;
foreach (DataColumn dc in keys)
{
KeyValuePair <DataColumn, object> kv = new KeyValuePair <DataColumn, object>(dc, vData[5 + index]);
vKeyVal.Add(kv);
++index;
}
dt.Rows.Remove(FindRowByKeys(dt, vKeyVal, ue, out filter));
message = "Table " + table_name + " deleted for row (" + filter + ")";
}
break;
case tagUpdateEvent.ueInsert:
{
foreach (DataColumn dc in keys)
{
KeyValuePair <DataColumn, object> kv = new KeyValuePair <DataColumn, object>(dc, vData[5 + dc.Ordinal]);
vKeyVal.Add(kv);
}
DataRow dr = FindRowByKeys(dt, vKeyVal, ue, out filter); //generate filter only
dr = dt.NewRow();
for (int n = 0; n < cols; ++n)
{
dr[n] = vData[5 + n];
}
dt.Rows.Add(dr);
message = "Table " + table_name + " inserted for row (" + filter + ")";
}
break;
default:
message = "Unknown DB message found"; //shouldn't come here
break;
}
BeginInvoke(m_thread_message, message, dt);
}
}
internal void OnPUMessageEx(IntPtr handler, CMessageSender sender, byte[] msg)
{
if (OnSendUserMessageEx != null)
{
OnSendUserMessageEx.Invoke(m_cs, sender, msg);
}
}
private CMessageSender ToMessageSender(CMessageSenderCe senderCe)
{
CMessageSender sender = new CMessageSender();
sender.UserId = senderCe.UserId;
unsafe
{
sender.IpAddress = new string((sbyte*)senderCe.IpAddress);
}
sender.Port = senderCe.Port;
sender.SelfMessage = (senderCe.SelfMessage != 0);
sender.SvsID = senderCe.SvsID;
return sender;
}
internal void OnPUMessage(IntPtr handler, CMessageSender sender, object vtMessage)
{
if (OnSendUserMessage != null)
{
OnSendUserMessage.Invoke(m_cs, sender, vtMessage);
}
}
internal void OnB(IntPtr handler, CMessageSender sender, uint[] group, uint count, object vtMessage)
{
if (OnPublish != null)
{
OnPublish.Invoke(m_cs, sender, group, vtMessage);
}
}
internal void OnBEx(IntPtr handler, CMessageSender sender, uint[] group, uint count, byte[] message, uint size)
{
if (OnPublishEx != null)
{
OnPublishEx.Invoke(m_cs, sender, group, message);
}
}
internal void OnExit(IntPtr handler, CMessageSender sender, uint[] group, uint count)
{
if (OnUnsubscribe != null)
{
OnUnsubscribe.Invoke(m_cs, sender, group);
}
}
private static string ToString(CMessageSender ms)
{
return string.Format("Sender attributes = (ip = {0}, port = {1}, self = {2}, service id = {3}, userid = {4})", ms.IpAddress, ms.Port, ms.SelfMessage, ms.SvsID, ms.UserId);
}
