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main.cpp
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main.cpp
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#include <stdlib.h>
#include <iostream>
#include <string>
#include <sstream>
#include <time.h>
#include "websocket.h"
#include "json.h"
using namespace std;
webSocket server;
/* called when a client connects */
void openHandler(size_t clientID){
ostringstream os;
os << "Stranger " << clientID << " has joined.";
vector<size_t> clientIDs = server.getClientIDs();
for (size_t i = 0; i < clientIDs.size(); i++){
if (clientIDs[i] != clientID)
server.wsSend(clientIDs[i], os.str());
}
server.wsSend(clientID, "Welcome!");
}
/* called when a client disconnects */
void closeHandler(size_t clientID){
ostringstream os;
os << "Stranger " << clientID << " has leaved.";
vector<size_t> clientIDs = server.getClientIDs();
for (size_t i = 0; i < clientIDs.size(); i++){
if (clientIDs[i] != clientID)
server.wsSend(clientIDs[i], os.str());
}
}
/* called when a client sends a message to the server */
void messageHandler(size_t clientID, string message){
ostringstream os;
os << "Stranger " << clientID << " says: " << message;
vector<size_t> clientIDs = server.getClientIDs();
for (size_t i = 0; i < clientIDs.size(); i++){
if (clientIDs[i] != clientID)
server.wsSend(clientIDs[i], os.str());
}
}
/* called once per select() loop */
void periodicHandler(){
static time_t next = time(NULL) + 10;
time_t current = time(NULL);
if (current >= next){
ostringstream os;
string timestring = ctime(¤t);
timestring = timestring.substr(0, timestring.size() - 1);
os << timestring;
vector<size_t> clientIDs = server.getClientIDs();
for (size_t i = 0; i < clientIDs.size(); i++)
server.wsSend(clientIDs[i], os.str());
next = time(NULL) + 10;
}
}
int main(int argc, char *argv[]){
int port;
cout << "Please set server port: ";
cin >> port;
/* set event handler */
server.setOpenHandler(openHandler);
server.setCloseHandler(closeHandler);
server.setMessageHandler(messageHandler);
//server.setPeriodicHandler(periodicHandler);
/* start the chatroom server, listen to ip '127.0.0.1' and port '8000' */
server.startServer(port);
return 1;
}