fivec.c

internet高级编程项目作业之网络五子棋_完整项目发布（文档+程序）20070102

  display_rect.h=1;
  SDL_FillRect(screen, &display_rect, color_line);
  display_rect.x=x1;//下横线
  display_rect.y=y2;
  display_rect.w=QIZI_SIZE;
  display_rect.h=1;
  SDL_FillRect(screen, &display_rect, color_line);
  display_rect.x=x1;//左竖线
  display_rect.y=y1;
  display_rect.w=1;
  display_rect.h=QIZI_SIZE;
  SDL_FillRect(screen, &display_rect, color_line);
  display_rect.x=x2;//右竖线
  display_rect.y=y1;
  display_rect.w=1;
  display_rect.h=QIZI_SIZE + 1;
  SDL_FillRect(screen, &display_rect, color_line);

  //更新显示区域
  SDL_UpdateRect(screen, 0, 0, 0, 0);
}
/////////////////////////////////////
//////////////协议处理函数////////////
/////////////////////////////////////
//提示用户已满
p_2001(char * receive){
  bzero(title, TITLE_LEN);
  strcat(title, "user overflow ! ! !");
  SDL_WM_SetCaption(title,"");
  sleep(3);
  exit(0);
}

//提示用户游戏开始
p_2002(char * receive){
  char *temp1, *temp2;
  int i;
  //获取2002协议数据
  protocol_num=(int *)receive;
  protocol_num=protocol_num+1;
  whoami=*protocol_num;
  protocol_num=protocol_num+1;
  currentuser=*protocol_num;
  protocol_num=protocol_num+1;
  if(whoami==USER1){
    bcopy((char *)protocol_num, user_name[USER2], USER_NAME_LEN);
    temp2=user_name[USER1];
  }else{
    bcopy((char *)protocol_num, user_name[USER1], USER_NAME_LEN);
    temp2=user_name[USER2];
  }
  //复制自己的用户名，不足规定长度的后边补空格
  temp1=argv_name;
  i=0;
  while((i<USER_NAME_LEN) && !((*temp1)=='\0')){
    *temp2=*temp1;
    temp1++;
    temp2++;
    i++;
  }
  while(i<USER_NAME_LEN) {
    *temp2=' ';
    temp2++;
    i++;
  }
  //标题显示游戏开始 user1name vs user2name
  bzero(title, TITLE_LEN);
  strcat(title, "game start ! ");
  strncat(title, user_name[USER1], USER_NAME_LEN);
  strcat(title, " vs ");
  strncat(title, user_name[USER2], USER_NAME_LEN);
  strcat(title, " - ");
  strncat(title, user_name[currentuser], USER_NAME_LEN);
  strcat(title, " first play !");
  SDL_WM_SetCaption(title,"");
  memset(qipan, QIPAN_NULL, sizeof(int)*ROWCOL*ROWCOL);//初始化棋盘
}

//通知用户连接成功，等待另一个用户连接
p_2003(char * receive){
  //标题显示用户连接成功，等待另一个用户连接
  bzero(title, TITLE_LEN);
  strcat(title, "you has link ok ! wait for another...");
  SDL_WM_SetCaption(title,"");
}

//一个用户退出游戏，重设游戏变量，通知另一个用户等待新用户
p_2004(char * receive){
  //标题显示另一用户退出游戏，等待其他用户再次连接！
  bzero(title, TITLE_LEN);
  strcat(title, "rival exit game, please wait for another...");
  SDL_WM_SetCaption(title,"");
  memset(qipan, QIPAN_NULL, sizeof(int)*ROWCOL*ROWCOL);//初始化棋盘
}

//通知用户本回合棋盘落子情况和获胜情况，若游戏结束，等待用户确认重新开始
p_2005(char * receive){
  int result, user_set;
  //获取2005协议数据
  protocol_num=(int *)receive;//协议编号
  protocol_num=protocol_num+1;
  user_set=*protocol_num;//当前落子用户
  protocol_num=protocol_num+1;
  cursor_row=*protocol_num;//落子行号
  protocol_num=protocol_num+1;
  cursor_col=*protocol_num;//落子列号
  qipan[cursor_row][cursor_col]=user_set;//修改棋盘棋子
  protocol_num=protocol_num+1;
  currentuser=*protocol_num;//本回合落子用户
  protocol_num=protocol_num+1;
  result=*protocol_num;//获得游戏结果
  //标题显示现在该谁落子了
  bzero(title, TITLE_LEN);
  strncat(title, user_name[currentuser], USER_NAME_LEN);
  strcat(title, " please play !");
  SDL_WM_SetCaption(title,"");
  if (result==USER1 || result==USER2 || result==2){
    if(result==USER1 || result==USER2){
      bzero(title, TITLE_LEN);
      strncat(title, user_name[result], USER_NAME_LEN);
      strcat(title, " win ! 'c':continue game, 'q': exit game");
      SDL_WM_SetCaption(title,"");
    }else{
      bzero(title, TITLE_LEN);
      strcat(title, "draw ! 'c':continue game, 'q': exit game");
      SDL_WM_SetCaption(title,"");
    }
  }
}

//收到来自服务器的通知：用户游戏可以开始了
p_2006(char * receive){
  sleep(1);
  s_1004();//通知服务器游戏可以开始了
}

/////////////////////////////////////
//////服务器处理函数//////////////////
/////////////////////////////////////
//注册用户姓名
s_1001(){//本函数发送实际有用数据长度是:sizeof(int)+USER_NAME_LEN=9
  char * temp1, * temp2;
  int i;
  protocol_num=(int *)c_buf_send;
  *protocol_num=REGIST_USER_NAME;//协议号码 sizeof(int)
  protocol_num=protocol_num+1;
  //复制用户名
  temp2=(char *)protocol_num;//协议内容 USER_NAME_LEN
  temp1=argv_name;
  i=0;
  while((i<USER_NAME_LEN) && !((*temp1)=='\0')){
    *temp2=*temp1;
    temp1++;
    temp2++;
    i++;
  }
  while(i<USER_NAME_LEN) {
    *temp2=' ';
    temp2++;
    i++;
  }
  //发送数据到服务器
  write(c_sock, c_buf_send, PROTOCOLLEN);
  fsync(c_sock);
  bzero(title, TITLE_LEN);
  strcat(title, "you name is: ");
  strncat(title, (char *)protocol_num, USER_NAME_LEN);
  SDL_WM_SetCaption(title,"");
}

//设置棋子位置
s_1002(int row, int col){//本函数发送实际有用数据长度是:sizeof(int)+sizeof(int)+sizeof(int)=12
  protocol_num=(int *)c_buf_send;
  *protocol_num=SET_QIZI_POSITION;//协议号码sizeof(int)
  protocol_num=protocol_num+1;
  *protocol_num=row;//行号sizeof(int)
  protocol_num=protocol_num+1;
  *protocol_num=col;//列号sizeof(int)
  //发送数据到服务器
  write(c_sock, c_buf_send, PROTOCOLLEN);
  fsync(c_sock);
}

//继续新一轮游戏
s_1003(){//本函数发送实际有用数据长度是:sizeof(int)=4
  protocol_num=(int *)c_buf_send;
  *protocol_num=GAME_CONTINUE;//协议号码sizeof(int)
  //发送数据到服务器
  write(c_sock, c_buf_send, PROTOCOLLEN);
  fsync(c_sock);
}

//通知服务器游戏可以开始了
s_1004(){//本函数发送实际有用数据长度是:sizeof(int)=4
  protocol_num=(int *)c_buf_send;
  *protocol_num=NOTE_SERVER_START;//协议号码sizeof(int)
  //发送数据到服务器
  write(c_sock, c_buf_send, PROTOCOLLEN);
  fsync(c_sock);
}
/////////////////////////////////////
/////////////////////////////////////
/////////////////////////////////////
int main(int argc, char* argv[]){
  //命令格式：五子棋客户端程序 服务器地址 用户名[最长是10个字符]
  if(argc!=3){
    printf("error: command fromat is : clientcommand serverhost username[10]\n");
    exit(1);
  }
  argv_name=argv[2];//保存用户名数组指针
  c_init();//游戏变量初始化
  c_update_screen();//屏幕显示棋盘
  //创建socket并且连接到服务器
  if((c_sock=socket(AF_INET,SOCK_STREAM,0))==-1){
    printf("error: create socket !\n");
    exit(1);
  }
  bzero(&c_addr_s, sizeof(c_addr_s));
  c_addr_s.sin_family=AF_INET;
  c_addr_s.sin_port=htons(PORT);
  inet_pton(AF_INET,argv[1],&c_addr_s.sin_addr);
  if((connect(c_sock, (struct sockaddr*)&c_addr_s, sizeof(c_addr_s)))<0){
    printf("error: connect\n");
    exit(1);
  }
  s_1001();//注册用户名
  fcntl(c_sock, F_SETFL, O_NONBLOCK);//非阻塞
  while(1){
    //接收来自服务器的数据包，解析后处理相应的协议函数
    FD_ZERO(&c_set_in);
    FD_SET(c_sock, &c_set_in);
    timeout.tv_sec=0;
    timeout.tv_usec=100000;//select函数持续十分之一秒
    if((select(c_sock+1, &c_set_in, NULL, NULL, &timeout))<0) printf("error: select !\n");
    if(FD_ISSET(c_sock, &c_set_in)){
      c_len=read(c_sock, c_buf_receive, MAXLEN) ;
      if(c_len<0){
        printf("error: read from server !\n");
        exit(1);
      }
      //客户端代理程序，解析数据包后处理相应的协议函数
      temp=c_buf_receive;
      while(c_len>0){
        c_delegate(temp);
        c_len=c_len - PROTOCOLLEN;
        temp=temp + PROTOCOLLEN;
      }
      c_update_screen();//更新屏幕显示
    }

    //接收用户的键盘输入命令：移动落子，开始退出游戏
    while(SDL_PollEvent(&c_event)){
      switch(c_event.type){
        case SDL_KEYDOWN:
          {
            flag_flash=0;
            if(c_event.key.keysym.sym==SDLK_UP) { if(cursor_row>0) cursor_row--; flag_flash=1; }//上
            if(c_event.key.keysym.sym==SDLK_DOWN) { if(cursor_row<ROWCOL-1) cursor_row++; flag_flash=1; }//下
            if(c_event.key.keysym.sym==SDLK_LEFT) { if(cursor_col>0) cursor_col--; flag_flash=1; }//左
            if(c_event.key.keysym.sym==SDLK_RIGHT) { if(cursor_col<ROWCOL-1) cursor_col++; flag_flash=1; }//右
            if(c_event.key.keysym.sym==SDLK_SPACE) { s_1002(cursor_row, cursor_col); flag_flash=1; }//落子
            if(c_event.key.keysym.sym==SDLK_c) { s_1003(); flag_flash=1; }//继续游戏
            if(c_event.key.keysym.sym==SDLK_q) exit(0);//退出
            if(flag_flash==1) c_update_screen();
            break;
          }
      }
    }
  }
  exit(0);
}