static void Main(string[] args)
{
Socket registrySocket = null;
Socket clientSocket = null;
//Try and load configuration file.
if (LoadConfig())
{
//Log startup message.
Logging.LogLine("=======================================================");
Logging.LogLine(string.Format("Team\t: {0}", config_teamName));
Logging.LogLine(string.Format("Tag-name: {0}", config_tagName));
Logging.LogLine("Service: " + config_serviceName);
Logging.LogLine("=======================================================");
Logging.LogLine("---");
//Publish service to registry.
registrySocket = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
registrySocket.Connect(config_host_ip, (int)config_host_port);
string message = SOA_A1.MessageBuilder.publishService(
config_teamName,
config_teamID,
config_tagName,
config_serviceName,
(int)config_securityLevel,
numArgs,
numResponses,
config_description,
listArgs,
listResps,
config_localIP, (int)config_localPort);
Logging.LogLine("Calling SOA-Registry with message :");
Logging.LogLine("\t" + message);
SOA_A1.TCPHelper.sendMessage(message, registrySocket);
byte[] buffer = new byte[1024];
string responseMessage = SOA_A1.TCPHelper.receiveMessage(buffer, registrySocket);
Logging.LogLine("\tResponse from SOA-Registry :");
Logging.LogLine("\t\t" + responseMessage);
Logging.LogLine("---");
registrySocket.Shutdown(SocketShutdown.Both);
registrySocket.Close();
if (responseMessage.Contains("SOA|NOT-OK|") && !responseMessage.Contains("has already published service"))
{
if (responseMessage.Contains("is not registered"))
{
Logging.LogLine("The team is not registered.");
Console.WriteLine(DateTime.Now.ToString("yyyy-dd-mm hh:mm:ss") + " - The team is not registered.");
}
else
{
Logging.LogLine("An error occured!");
Console.WriteLine(DateTime.Now.ToString("yyyy-dd-mm hh:mm:ss") + " - An error occured!");
}
}
else if (responseMessage.Contains("SOA|OK|") || responseMessage.Contains("has already published service"))
{
if (responseMessage.Contains("has already published service"))
{
Console.WriteLine(DateTime.Now.ToString("yyyy-dd-mm hh:mm:ss") + " - Service is already published.");
}
else
{
Console.WriteLine(DateTime.Now.ToString("yyyy-dd-mm hh:mm:ss") + " - Service published.");
}
//Start listening for cient connections.
TcpListener listener = new TcpListener((int)config_localPort);
listener.Start();
while (true)
{
Console.WriteLine(DateTime.Now.ToString("yyyy-dd-mm hh:mm:ss") + " - Waiting for client connections:");
clientSocket = listener.AcceptSocket(); //blocks
Console.WriteLine(DateTime.Now.ToString("yyyy-dd-mm hh:mm:ss") + " - Client request received.");
Stream clientStream = new NetworkStream(clientSocket);
Logging.LogLine("Receiving service request :");
StreamReader sr = new StreamReader(clientStream);
StreamWriter sw = new StreamWriter(clientStream);
sw.AutoFlush = true;
byte[] msgBuffer = new byte[1024];
clientSocket.Receive(msgBuffer);
string clientMsg = Encoding.ASCII.GetString(msgBuffer);
if (clientMsg.Contains("DRC|EXEC-SERVICE|"))
{
try
{
Logging.LogLine("\t" + clientMsg);
Logging.LogLine("---");
//Parse args and client info.
string[] clientArgs = SOA_A1.MessageParser.parseMessage(SOA_A1.MessageParser.parseSegment("DRC", SOA_A1.MessageParser.parseMessageByEOS(clientMsg)));
string clientTeamName = clientArgs[2];
string clientTeamID = clientArgs[3];
string[] msgArgs = SOA_A1.MessageParser.argsParser(SOA_A1.MessageParser.parseMessageByEOS(clientMsg));
string clientProvinceCode = SOA_A1.MessageParser.parseMessage(msgArgs[0])[5];
decimal clientPurchaseValue = decimal.Parse(SOA_A1.MessageParser.parseMessage(msgArgs[1])[5]);
//Communicate to registry to get team info.
registrySocket = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
registrySocket.Connect(config_host_ip, (int)config_host_port);
string queryTeamMessage = SOA_A1.MessageBuilder.queryTeam(config_teamName, config_teamID, clientTeamName, clientTeamID, config_tagName);
Console.Write(DateTime.Now.ToString("yyyy-dd-mm hh:mm:ss") + " - Checking team with registry... ");
Logging.LogLine("Calling SOA-Registry with message :");
Logging.LogLine("\t" + queryTeamMessage);
SOA_A1.TCPHelper.sendMessage(queryTeamMessage, registrySocket);
byte[] queryTeamBuffer = new byte[1024];
string queryTeamresponseMessage = SOA_A1.TCPHelper.receiveMessage(queryTeamBuffer, registrySocket);
Logging.LogLine("\tResponse from SOA-Registry :");
Logging.LogLine("\t\t" + queryTeamresponseMessage);
Logging.LogLine("---");
registrySocket.Shutdown(SocketShutdown.Both);
registrySocket.Close();
if (queryTeamresponseMessage.Contains("SOA|OK|"))
{
Console.WriteLine("Team is OK!");
if (clientPurchaseValue >= 0)
{
//Perform calculations and send response message.
TaxBreakdown results = PurchaseTotalizer.Calculate(clientProvinceCode, clientPurchaseValue);
if (results.Valid)
{
string resultsMessage = SOA_A1.MessageBuilder.executeServiceReply(
"RSP|1|SubTotalAmount|float|" + results.Sub_total_amount + "|",
"RSP|2|PSTamount|float|" + results.PST_amount + "|",
"RSP|3|HSTamount|float|" + results.HST_amount + "|",
"RSP|4|GSTamount|float|" + results.GST_amount + "|",
"RSP|5|TotalPurchaseAmount|float|" + results.Total_purchase_amount + "|");
Logging.LogLine("Responding to service request :");
Logging.LogLine("\t" + resultsMessage);
clientSocket.Send(Encoding.ASCII.GetBytes(resultsMessage));
Logging.LogLine("---");
Console.WriteLine(DateTime.Now.ToString("yyyy-dd-mm hh:mm:ss") +
" - Replying to client:\n\tFrom Client:\n\t\tProvinceOrTerritory=" + clientProvinceCode +
"\n\t\tPurchaseValue=" + clientPurchaseValue +
"\n\tTo Client: SubTotalAmount=" + results.Sub_total_amount +
"\n\t\tPSTamount=" + results.PST_amount +
"\n\t\tHSTamount=" + results.HST_amount +
"\n\t\tGSTamount=" + results.GST_amount +
"\n\t\tTotalPurchaseAmount=" + results.Total_purchase_amount);
}
else
{
string resultsMessage = SOA_A1.MessageBuilder.executeServiceReplyError(-3, "Invalid parameters sent. Ensure province code is correct.");
Logging.LogLine("Responding to service request :");
Logging.LogLine("\t" + resultsMessage);
clientSocket.Send(Encoding.ASCII.GetBytes(resultsMessage));
Logging.LogLine("---");
Console.WriteLine(DateTime.Now.ToString("yyyy-dd-mm hh:mm:ss") + " - Replying to client:\n\tInvalid parameters sent. Postal code error.");
}
}
else
{
string resultsMessage = SOA_A1.MessageBuilder.executeServiceReplyError(-3, "Invalid parameters sent. Ensure the purchase value is a non negative value.");
Logging.LogLine("Responding to service request :");
Logging.LogLine("\t" + resultsMessage);
clientSocket.Send(Encoding.ASCII.GetBytes(resultsMessage));
Logging.LogLine("---");
Console.WriteLine(DateTime.Now.ToString("yyyy-dd-mm hh:mm:ss") + " - Replying to client:\n\tInvalid parameters sent. Negative number.");
}
}
else if (queryTeamresponseMessage.Contains("SOA|NOT-OK|"))
{
if (queryTeamresponseMessage.Contains("insufficient permissions to run this service"))
{
Console.WriteLine("Insufficient permissions!");
}
else
{
Console.WriteLine("NOT-OK: " + SOA_A1.MessageParser.parseMessage(queryTeamresponseMessage)[3]);
}
//Send error message.
int getErrorNumber = int.Parse(SOA_A1.MessageParser.parseMessage(queryTeamresponseMessage)[2]);
string resultsMessage = SOA_A1.MessageBuilder.executeServiceReplyError(-4, SOA_A1.MessageParser.parseMessage(queryTeamresponseMessage)[3]);
Logging.LogLine("Responding to service request :");
Logging.LogLine("\t" + resultsMessage);
clientSocket.Send(Encoding.ASCII.GetBytes(resultsMessage));
Logging.LogLine("---");
}
}
catch (Exception ex)
{
Console.WriteLine(DateTime.Now.ToString("yyyy-dd-mm hh:mm:ss") + " - Exception: " + ex.Message);
}
}
clientStream.Close();
clientSocket.Shutdown(SocketShutdown.Both);
clientSocket.Close();
}
}
else
{
Logging.LogLine("Unhandled error occured: " + responseMessage);
Console.WriteLine(DateTime.Now.ToString("yyyy-dd-mm hh:mm:ss") + " - Unhandled Error Occured.");
}
}
else
{
Logging.LogLine("Error loading config file. Application closing.");
Console.WriteLine(DateTime.Now.ToString("yyyy-dd-mm hh:mm:ss") + " - Error loading config file.");
}
}
/// <summary>
/// Parse the configuration file and fill in values.
/// </summary>
/// <param name="configString">Config file string.</param>
/// <returns>If the file was parsed succesfully.</returns>
static bool ParseConfig(string configString)
{
bool success = false;
string[] fileByLine = configString.Split('\n');
foreach (string line in fileByLine)
{
string[] twoRats = line.Split('=');
if (twoRats.Length == 2)
{
if (twoRats[0] == "teamId")
{
config_teamID = twoRats[1].Replace("\r", "");
}
else if (twoRats[0] == "tagName")
{
config_tagName = twoRats[1].Replace("\r", "");
}
else if (twoRats[0] == "teamName")
{
config_teamName = twoRats[1].Replace("\r", "");
}
else if (twoRats[0] == "host_ip")
{
config_host_ip = twoRats[1].Replace("\r", "");
}
else if (twoRats[0] == "host_port")
{
config_host_port = int.Parse(twoRats[1]);
}
else if (twoRats[0] == "serviceName")
{
config_serviceName = twoRats[1].Replace("\r", "");
}
else if (twoRats[0] == "securityLevel")
{
config_securityLevel = int.Parse(twoRats[1]);
}
else if (twoRats[0] == "description")
{
config_description = twoRats[1].Replace("\r", "");
}
else if (twoRats[0] == "client_port")
{
config_localPort = int.Parse(twoRats[1]);
}
else if (twoRats[0] == "client_ip")
{
config_localIP = twoRats[1].Replace("\r", "");
}
}
else if (twoRats.Length > 2)
{
Logging.LogLine("Error in log file cannot have more than one '=' sign: " + line);
break;
}
}
if (CheckAllConfigValuesAreFilledIn())
{
success = true;
}
return(success);
}