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#include <sys/types.h>
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#include <sys/stat.h>
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#include <ctime>
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#include <cstring>
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#include <iostream>
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#include <iomanip>
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#include <fstream>
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#include <sstream>
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#include <string>
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#include <queue>
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#include <cmath>
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#include <exception>
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#include <stdexcept>
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#include "unistd.h"
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#include "timing.hpp"
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#include "threading.hpp"
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#include "networking.hpp"
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#include "SNFMulti.hpp"
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#include "snf_xci.hpp"
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#include "snf_sync.hpp"
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#include "config.h"
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// temporary - proving base64codec
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#include "base64codec.hpp"
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//#include "../nvwa-0.6/nvwa/debug_new.h"
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using namespace std; // Introduce standard namespace.
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const char* SERVER_VERSION_INFO = "SNF Server Version " PACKAGE_VERSION " Build: " __DATE__ " " __TIME__;
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static const string XCIShutdownResponse =
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"<snf><xci><server><response message=\'shutdown in progress\' code=\'0\'/></server></xci></snf>\n";
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class XCIShutdownWatcher : public snfXCIServerCommandHandler { // Shutdown watcher.
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public:
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XCIShutdownWatcher():TimeToStop(false){} // Construct with shutdown flag false.
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bool TimeToStop; // Here is the flag.
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string processXCIRequest(snf_xci& X) { // Here is how we process requests.
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if(0 == X.xci_server_command.find("shutdown")) { // If we find shutdown then
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TimeToStop = true; // set the shutdown flag
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return XCIShutdownResponse; // and let them know we got it.
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} // If we get some other request
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return XCIErrorResponse; // return the error response.
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}
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};
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// Thread Status Analysis For Debugging.
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void ThreadStatusToCout() { // Produce a thread status list.
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ThreadStatusReport R = Threads.StatusReport(); // Get a report from Threads.
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cout << endl; // Break the line.
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for(
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ThreadStatusReport::iterator iR = R.begin(); // Loop through the report.
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iR != R.end(); iR++
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) {
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ThreadStatusRecord& S = (*iR); // Take each status report and
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cout // send it to cout on it's own line.
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<< S.getName() << " (" << S.getPointer() << "), "
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<< S.getType().Name << ", "
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<< S.getState().Name << ", "
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<< ((S.getRunning()) ? "Running, " : "Not Running, ")
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<< ((S.getBad()) ? "Broken, " : "Ok, ")
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<< S.getFault()
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<< endl;
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}
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cout << endl; // Leave a blank line at the end.
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}
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// Here in the main thread is where we get executive tasks done.
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int go(int argc, char* argv[]) { //// go() stands in for main(). main() catches any unhandled exceptions.
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// Check for debug mode.
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bool DebugMode = false; // This will be our debug mode.
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string argv0(argv[0]); // Capture how we were called.
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if(
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string::npos != argv0.find("Debug") || // If we find "Debug" or
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string::npos != argv0.find("debug") // "debug" in our command path
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) { // then we are in DebugMode.
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DebugMode = true; // Set the flag and tell the
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cout << "Debug Mode" << endl; // watchers.
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}
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// DebugMode = true; // Force it when needed.
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// Announce Version / Build Info.
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cout << SERVER_VERSION_INFO << endl; // Shout out our version.
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cout << SNF_ENGINE_VERSION << endl; // Shout out the engine version.
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// Sanity checks before we get going.
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if(2 != argc) { // Check the command line args.
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cout << "Use: SNFServer <path-to-config-file>" << endl; // If wrong, say how we work.
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return 0;
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}
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if(0 != access(argv[1], R_OK)) { // Check the config file path.
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cout << "Can't read " << argv[1] << endl; // If it's not accessible, punt.
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return 0;
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}
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cout << "Launching with " << argv[1] << endl; // Tell them we're going.
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snf_RulebaseHandler MyRulebase; // Create a rulebase manager.
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MyRulebase.PlatformVersion(SERVER_VERSION_INFO); // Set the Platform version string.
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XCIShutdownWatcher ShutdownWatcher; // Make a server shutdown processor
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MyRulebase.XCIServerCommandHandler(ShutdownWatcher); // and register it with the engine.
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MyRulebase.open(argv[1], "", ""); // Open a configured rulebase.
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Sleeper WaitATic(1000); // Learn to wait a second.
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cout << "Running." << endl << endl; // Tell them we're running.
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char Tic = '\\'; // Tic/Toc indicator.
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while(false == ShutdownWatcher.TimeToStop) { // While running, update the screen.
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WaitATic(); // One second between updates.
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// Animate the Tick/Toc Indicator
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switch(Tic) {
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case '\\': Tic = '|'; break;
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case '|': Tic = '/'; break;
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case '/': Tic = '-'; break;
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default: Tic = '\\'; break;
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}
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// Format and output the screen update. At the end post a \r so that
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// the line appears to update in place.
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cout
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<< "M/min: " << setw(4) << (int) MyRulebase.MyLOGmgr.MessagesPerMinute() << " "
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<< "SP: " << setw(6) << setprecision(2) << setiosflags(ios::fixed) <<
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((0 < MyRulebase.MyLOGmgr.MessagesPerMinute()) ?
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(100 * MyRulebase.MyLOGmgr.SpamPerMinute() / MyRulebase.MyLOGmgr.MessagesPerMinute()) : 0.0) << "% "
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<< "LR:" << setw(7) << MyRulebase.MyLOGmgr.LatestRuleID()
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<< " ["
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<< MyRulebase.MyXCImgr.pollClientCount() << "/"
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<< MyRulebase.MyXCImgr.pollLoopCount() << " "
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<< Tic << " " << (int) MyRulebase.MyXCImgr.TotalQueue() << "] "
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<< "W:" << (int) MyRulebase.MyLOGmgr.WhitePerMinute() << " "
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<< "C:" << (int) MyRulebase.MyLOGmgr.CautionPerMinute() << " "
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<< "B:" << (int) MyRulebase.MyLOGmgr.BlackPerMinute() << " "
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<< "T:" << (int) MyRulebase.MyLOGmgr.TruncatePerMinute() << " "
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<< "S:" << (int) MyRulebase.MyLOGmgr.SamplePerMinute()
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<< " \r" << flush;
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if(DebugMode) ThreadStatusToCout(); // Debug? Show Thread Status Report.
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}
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cout << endl << endl << "Shutdown Received." << endl;
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// When this loop fails it is time to shut down.
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// All the rest happens via XCI now.
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cout << "Closing Rulebase Handler..." << endl;
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MyRulebase.close();
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// All done...
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cout << "Bye bye." << endl;
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return 0;
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}
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/*
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class DebugExceptionHandler { // Hand wrapper for exception handler.
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public:
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DebugExceptionHandler() {
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LoadLibrary("exchndl.dll");
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}
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};
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static DebugExceptionHandler TheDebugExceptionHandler; // Global exception handler.
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*/
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int main(int argc, char* argv[]) {
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try {
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go(argc, argv);
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}
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catch(exception& e) {
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cout << "Unhandled Exception: " << e.what() << " Thrown!" << endl;
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}
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catch(...) {
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cout << "Unknown, Unhandled Exception Discovered!" << endl;
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}
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return 0;
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}
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