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246 lines
5.5 KiB
246 lines
5.5 KiB
/*
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* Simulation.cpp
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*
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* Created on: 16.01.2017
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* Author: piotrek
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*/
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#include "Simulation.h"
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#include "Node.h"
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#include "NATRouter.h"
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#include "Peer.h"
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#include "P2PServer.h"
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Simulation::Simulation()
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{
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srand(time(NULL));
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this->rows = 0;
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this->cols = 0;
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#ifndef DEBUG
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// inicjalizacja ncurses
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initscr();
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getmaxyx(stdscr, this->rows, this->cols);
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if (has_colors())
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{
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start_color();
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init_pair(0, COLOR_BLACK, COLOR_WHITE);
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init_pair(1, COLOR_RED, COLOR_BLACK);
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init_pair(2, COLOR_GREEN, COLOR_BLACK);
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init_pair(3, COLOR_YELLOW, COLOR_BLACK);
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init_pair(4, COLOR_BLUE, COLOR_BLACK);
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init_pair(5, COLOR_MAGENTA, COLOR_BLACK);
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init_pair(6, COLOR_CYAN, COLOR_BLACK);
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init_pair(7, COLOR_WHITE, COLOR_BLACK);
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}
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#endif
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this->name = "Simulation";
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this->setLineNumber(rows -1);
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this->setDelimiter("\t");
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this->setObjectName(&this->name);
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this->setColor(WHITE);
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this->startTime = time(NULL);
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#ifndef DEBUG
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this->createThread("resizeWnd", SIM_RESIZE, this);
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#endif
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}
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Simulation::~Simulation()
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{
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//niestety nie dziala...
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endwin();
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}
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void Simulation::createThread(string name, THREAD_TYPE type, void* context)
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{
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struct threadParams params;
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params.type = type;
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params.context = context;
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this->threads.insert(pair<string, struct threadParams>(name, params));
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map<string, struct threadParams>::iterator it = threads.find(name);
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if (pthread_create(&it->second.thread_id, NULL, Simulation::threadWrapper, &it->second) == -1)
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{
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cerr << "pthread_create() failed" << endl;
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exit(1);
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}
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this->threads.insert(pair<string, struct threadParams>(name, params));
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usleep(3000); // 3ms
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}
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/*
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* przy niszczeniu watku niszczy sie ncurses :(
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* TODO poszukac rozwiazania w miare mozliwosci
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*/
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void Simulation::destroyThread(string name)
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{
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void * state;
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map<string, struct threadParams>::iterator it = threads.find(name);
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if (it == threads.end())
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{
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cerr << "Thread: " << name << " does not exist!" << endl;
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exit(1);
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}
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if (pthread_cancel(it->second.thread_id) != 0)
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{
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cerr << "pthread_cancel() failed" << endl;
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exit(1);
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}
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if (pthread_join(it->second.thread_id, &state) == -1)
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{
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cerr << "pthread_cancel() failed" << endl;
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exit(1);
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}
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if (pthread_detach(it->second.thread_id) == -1)
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{
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cerr << "pthread_detach() failed" << endl;
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exit(1);
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}
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threads.erase(it);
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}
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/*
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* wrapper, w ktory trzeba opakowac metody do zastosowania w watku
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*/
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void * Simulation::threadWrapper(void * context)
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{
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struct threadParams *params = (struct threadParams*)context;
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switch(params->type)
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{
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case NODE_RECV:
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((Node *)params->context)->onRecv();
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break;
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case SIM_TIMER:
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((Simulation *)params->context)->timer();
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break;
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case SIM_RESIZE:
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((Simulation *)params->context)->resizeWnd();
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break;
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}
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return 0;
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}
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void Simulation::resizeWnd()
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{
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while(true)
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{
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#ifndef DEBUG
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getmaxyx(stdscr, this->rows, this->cols);
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if (this->getLineNumber() != this->rows-1)
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this->setLineNumber(rows -1);
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//refresh();
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#endif
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}
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}
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void Simulation::timer()
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{
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#ifndef DEBUG
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char str[10];
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int h,m, s;
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unsigned long timeElapsed;
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#endif
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while(true)
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{
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#ifndef DEBUG
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refresh();
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timeElapsed = time(NULL) - this->startTime;
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h = timeElapsed / 3600;
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m = (timeElapsed % 3600) / 60;
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s = (timeElapsed % 3600) % 60;
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//refresh();
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sprintf(str, "%02d:%02d:%02d", h, m, s);
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move(0, this->cols-strlen(str));
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printw(str);
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#endif
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usleep(100000); // 100 ms
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//sleep(1);
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}
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}
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void Simulation::p2pSimulation()
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{
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this->print("Creating P2P peers");
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Peer peer1("Peer 1", "192.168.1.2", "255.255.255.0", "192.168.1.1");
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peer1.setSender(true);
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peer1.setSim(this);
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peer1.setLogParams(0, GREEN, "\t\t");
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Peer peer2("Peer 2", "10.0.0.2", "255.255.255.0", "10.0.0.1");
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peer2.setSim(this);
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peer2.setLogParams(4, CYAN, "\t\t");
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peer1.print("IP 192.168.1.2/24, Gateway: 192.168.1.1");
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peer2.print("IP 10.0.0.2/24, Gateway: 10.0.0.1");
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sleep(1);
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this->print("Creating NAT devices");
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NATRouter r1("Router 1", "192.168.1.1", "255.255.255.0");
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NATRouter r2("Router 2", "10.0.0.1", "255.255.255.0");
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r1.setLogParams(1, RED, "\t");
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r2.setLogParams(3, MAGENTA, "\t");
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r1.print("IP 192.168.1.1/24");
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r2.print("IP 10.0.0.1/24");
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sleep(1);
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this->print("Setting WAN configuration");
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r1.setWanIp("41.42.43.44");
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r1.setWanMask("255.255.255.255");
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r2.setWanIp("45.46.47.48");
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r2.setWanMask("255.255.255.255");
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r1.print("WAN IP 41.42.43.44/32");
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r2.print("WAN IP 45.46.47.48/32");
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sleep(1);
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this->print("Creating P2P server");
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P2PServer server("Server", "80.80.90.91", "255.255.255.255");
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server.setSim(this);
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server.setLogParams(2, YELLOW, "\t\t");
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server.print("IP 80.80.90.91/32");
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sleep(1);
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this->print("Plugging Peer1 <---> Router 1");
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r1.connectNode(&peer1);
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sleep(1);
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this->print("Plugging Peer2 <---> Router 2");
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r2.connectNode(&peer2);
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sleep(1);
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this->print("Plugging Router 1 <---> Router 2");
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r1.connectNode(&r2, true);
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sleep(1);
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this->print("Plugging Server <---> Router 1");
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server.connectNode(&r1);
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sleep(1);
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this->print("Plugging Server <---> Router 2");
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server.connectNode(&r2);
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sleep(1);
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sleep(1);
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this->print("Starting simulation...");
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this->createThread("r1", NODE_RECV, &r1);
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this->createThread("r2", NODE_RECV, &r2);
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this->createThread("s1", NODE_RECV, &server);
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this->print("Connecting peers to P2P server");
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peer1.connectToServer("80.80.90.91", 6565);
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peer2.connectToServer("80.80.90.91", 6565);
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sleep(1);
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this->createThread("p1", NODE_RECV, &peer1);
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this->createThread("p2", NODE_RECV, &peer2);
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while(1);
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}
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