private static int AddConnection(genericConnection sqlConn)
{
lock (allConn) {
nConn += 1;
totConn += 1;
allConn[nConn] = sqlConn;
return(nConn);
}
}
async Task <object> openConnection(string connectionString, string driver)
{
genericConnection gen = dispatchConn(connectionString, driver);
try {
await gen.open();
return(AddConnection(gen));
}
catch {
throw new Exception("Error opening connection");
}
}
public Func <object, Task <object> > CompileFunc(IDictionary <string, object> parameters)
{
string connectionString = Environment.GetEnvironmentVariable("EDGE_SQL_CONNECTION_STRING");
object tmp;
if (parameters.TryGetValue("connectionString", out tmp))
{
connectionString = (string)tmp;
}
int handler = -1;
if (parameters.TryGetValue("handler", out tmp))
{
handler = (int)tmp;
}
int timeOut = 30;
if (parameters.TryGetValue("timeout", out tmp))
{
timeOut = (int)tmp;
}
Func <object, Task <object> > callback = null;
tmp = null;
if (parameters.TryGetValue("callback", out tmp))
{
callback = (Func <object, Task <object> >)tmp;
}
string driver = "sqlServer";
tmp = null;
if (parameters.TryGetValue("driver", out tmp))
{
driver = (string)tmp;
}
string command = "";
if (parameters.TryGetValue("source", out tmp))
{
command = tmp.ToString().TrimStart();
}
tmp = null;
if (parameters.TryGetValue("cmd", out tmp))
{
var cmd = ((string)tmp).ToLower().Trim();
if (cmd == "open")
{
return(async(o) => {
return await openConnection(connectionString, driver);
});
}
if (cmd == "close")
{
closeConnection(handler);
return((o) => {
return Task.FromResult((object)null);
});
}
if (cmd == "nonquery")
{
if (handler >= 0)
{
genericConnection conn = allConn[handler];
return(async(o) => {
return await conn.executeNonQueryConn(command, timeOut);
});
}
else
{
genericConnection conn = dispatchConn(connectionString, driver);
return(async(o) => {
return await conn.executeNonQuery(command, timeOut);
});
}
}
}
int packetSize = 0;
object defPSize = 0;
if (parameters.TryGetValue("packetSize", out defPSize))
{
packetSize = Convert.ToInt32(defPSize);
}
if (handler != -1)
{
genericConnection conn = allConn[handler];
return(async(o) => {
return await conn.executeQueryConn(command, packetSize, timeOut, callback);
});
}
return(async(queryParameters) => {
genericConnection conn = dispatchConn(connectionString, driver);
return await conn.executeQuery(command, (IDictionary <string, object>) queryParameters,
packetSize, timeOut, callback);
});
}
