forum.lissyara.su

Код: Выделить всё

#include <unistd.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <sys/wait.h>
#include <netinet/in.h>
#include <arpa/inet.h>
#include <stdio.h>
#include <syslog.h>
#include <signal.h>

class tcpdaemon
{
  protected:
    void daemonize();
    void mainloop();
    void operate(int fd);
    static void signalhandler(int signum);
  public:
    void exec();
};

void tcpdaemon::signalhandler(int signum)
{
  waitpid(0, 0, WNOHANG);
}

void tcpdaemon::daemonize()
{
  struct sigaction sa;
  print_f("Welcome to Playback Price Server. Server start OK!\n");
  int pid = fork();
  switch(pid)
  {
    case 0:
    setsid();
    chdir("/");
    close(0);
    close(1);
    close(2);
    memset(&sa, 0, sizeof(sa));
    sa.sa_handler = &sighandler;
    sigaction(SIGCHLD, &sa, 0);
    exit(0);
    case -1:
      print_f("Fork error...\n");
      break;
    default
      print_f("OK. PID=%d\n", pid);
      break;
   }
}

void tcpdaemon::mainloop()
{
  int sockfd, fd;
  struct sockaddr_in sa;
  socklen_t n;
  sockfd = socket(PF_INET, SOCK_STREAM, 0);
  if(sockfd != -1)
  {
    memset(&sa, 0, sizeof(sa));
    sa.sin_family = AF_INET;
    sa.sin_addr.s_addr = htonl(INADDR_ANY);
    sa.sin_port = htons(21867);
    if(bind(sockfd, (struct sockaddr *)&sa, sizeof sa) != 1)
    {
      while(1)
      {
        if(!listen(sockfd, 50))
        {
          n = sizeof sa;
          if((fd = accept(sockfd, (srtuct sockaddr *)&sa, &n)) != -1)
          {
            print_f("Connection from %s", inet_ntoa(sa.sin_addr));
            if(!fork)
            {
              operate(fd);
            }
          }
        }
      }
    }
  }
}

void tcpdaemon::operate(int fd)
{
  char c;
  bool finished;
  string smd, answer;
  finished = false;
  write(fd, answer.c_str(), answer.size());
  while(!finished)
  {
    cmd = answer = "";
    while(!finished)
      finished = read(fd, &c, 1) != 1;
    if(c == '\n')
      break;
    else if(c != '\r')
      cmd += c;
    if(!finished && !cmd.empty())
    {
      if(cmd == "info")
        answer = "Welcome to PlayBack Price Server...";
      else if(cmd == "quit")
      {
        shutdown(fd, 2);
        close(fd);
        finished = true;
      }
    }
  }
  if(!finished && !answer.empty())
  {
    answer += "\n";
    write(fd, answer.c_str(), answer.size());
  }
  exit(0);
}

void tcpdaemon::exec()
{
  daemonize();
}


int main()
{
  tcpdaemon daemon;
  daemon.exec();
  return 0;
};

Код: Выделить всё

  serv.c:11: error: syntax error before "tcpdaemon"
serv.c:12: error: syntax error before '{' token
serv.c:18: error: syntax error before ':' token
serv.c:20: error: syntax error before '}' token

Код: Выделить всё

uname -a