Re: complex struct

"Larry" <>
Tue, 26 Jan 2010 23:53:42 +0100
"John H." <> ha scritto nel messaggio

Since you didn't talk much about what you are trying to do, I can only
speculate, but I am guessing that your design here is not doing what
you want it to.

This is what I am tring to do: a tiny streaming server to stream to at least
a couple of clients at the same time. (capturing from a given wave in
device, mp3 encoding and streaming) for the moment I am coding the server

#include <iostream>
#include <string>
#include <map>
#include <algorithm>
#include <process.h>
#include <cstdlib>
#include <ctime>
#include "socket.h"
#include <boost/circular_buffer.hpp>
using namespace std;
using namespace boost;

const string CRLF = "\r\n";
const int numbuff = 3;
const int buflen = 30;

unsigned int __stdcall Consumer(void* sock);
unsigned int __stdcall Producer(void*);

void getDateTime(char * szTime);

struct buffer
 unsigned char data[1024];
 int bytesRecorded;
 int user;
 buffer(const unsigned char * data_, const int bytesRecorded_, const int
user_) :
  bytesRecorded(bytesRecorded_), user(user_)
   copy(data_, data_ + bytesRecorded_, data);

struct circular
 circular_buffer<buffer> cb[numbuff];
 circular_buffer<buffer>::const_iterator it;

map<int, circular> users;
map<int, circular>::iterator uit;

int main()
 // Launch Producer
 unsigned int prodRet;
  cout << "Launched Producer Thread!" << endl;

 // Set up server (port: 8000, maxconn: 10)
 SocketServer sockIn(8000, 10);

  // ...wait for incoming connections...
  Socket* s = sockIn.Accept();
  unsigned int sockRet;
   cout << "Spawned a new thread!" << endl;
   cout << "Thread error!" << endl;



// Consumer
unsigned int __stdcall Consumer(void* sock)
 Socket* s = (Socket*) sock;

 s->SendBytes("Hello World!" + CRLF);

 int threadid = (int)GetCurrentThreadId();

 // Prepare & add circular buffer to the map
 circular c;

 users.insert(make_pair(threadid, c));

 // TODO:
 // Read data from the buffer
 // and send it to the client

 // Remove buffer from the map

 // Say bye to the client
 s->SendBytes("Bye bye!" + CRLF);

 // Disconnect client
 cout << "Closing thread..." << endl;
 delete s;
 return 0;

// Producer
unsigned int __stdcall Producer(void*)
  char szTime[30]; getDateTime(szTime);
  for(uit=users.begin(); uit!=users.end(); ++uit)
   users[uit->first].cb->push_back(buffer((unsigned char*)szTime, 30, 1));
   cout << "Producer is writing to: " << uit->first << endl;
 return 0;

void getDateTime(char * szTime)
 time_t rawtime = time(NULL);
 struct tm timeinfo;
 gmtime_s(&timeinfo, &rawtime);
 strftime(szTime, 30, "%a, %d %b %Y %X GMT", &timeinfo);


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