void Rsh::receive()
{
std::string temp = "";
while(true)
{
int len = 0;
char* msg = shareinfo->get_message(len);
if(msg != NULL)
{
temp.append(msg, len);
int pos = temp.rfind('\n');
if(pos != std::string::npos)
{
std::string substr = temp.substr(0, pos+1);
write_to_output(substr.c_str(), substr.size());
shell_prompt();
temp.erase(0, pos+1);
}
delete msg;
}
int* requests = shareinfo->get_requests(len);
if(requests != NULL)
{
for(int i = 0; i < len; i++)
{
int fd = open(get_fifo_id(partners[requests[i]], shareinfo->get_id()), O_RDONLY, 0666);
if(fd != -1)
fifomgt->insert(std::pair<int, int>(requests[i], fd));
}
delete requests;
}
usleep(100000);
}
}
static void
dynamic_initial(void)
{
conn = setup_connection();
/* initialization require redraw too */
interval_level = 1;
quit_signal = 0;
crt_menu = 0;
/** windows chain initilization **/
wchain_init();
/* check the screen size */
if(stdscr->_maxy < 3 || stdscr->_maxx < 68)
{
endwin();
fprintf(stderr, "screen too small for normally displaying.\n");
exit(1);
}
/** BasicInfo initialization **/
basic_info = basic_info_setup();
/** songlist arguments */
songlist = songlist_setup();
songlist_update();
/** directory arguments **/
directory = directory_setup();
directory_update();
/** playlist arguments **/
playlist = playlist_setup();
playlist_update();
/** the visualizer **/
visualizer = visualizer_setup();
get_fifo_id();
/** windows set initialization **/
being_mode_update(&basic_info->wmode);
//being_mode_update(&songlist->wmode);
}
void Rsh::reset()
{
if(sin != STD)
close(curin);
if(sin == FIFO)
{
for(FifoMgt::iterator it = fifomgt->begin(); it != fifomgt->end(); it++)
if(curin == it->second)
{
unlink(get_fifo_id(it->first, shareinfo->get_id()));
fifomgt->erase(it);
break;
}
}
if(sout >= FIL)
close(curout);
sin = STD;
sout = STD;
curin = STDIN_FILENO;
curout = out;
command.clear();
}
void Rsh::onTranOut()
{
if(command.size() > 0)
{
int userid = scanner->get_integerVal();
if(userid == 0)
{
TOKEN next;
for(next = scanner->lex(); next == SPACE; next = scanner->lex());
if(next == WORD)
{
std::string* path = scanner->get_stringVal();
path->insert(0, "./");
int fd = open(path->c_str(), O_WRONLY|O_CREAT, 0666);
if(fd >= 0)
{
curout = fd;
sout = FIL;
}
else
{
std::string message = "open fault: ";
message = message + *(scanner->get_stringVal()) + "\n";
write(out, message.c_str(), message.size());
reset();
}
}
else
{
std::string message = "There should have filename after >\n";
write(out, message.c_str(), message.size());
reset();
}
}
else
{
if(userid <= partners[0] && partners[userid] != 0)
{
if(mkfifo(get_fifo_id(shareinfo->get_id(), partners[userid]), 0666) == 0)
{
ShareRsh* target = shm_map(partners[userid]);
if(target != NULL)
{
std::string msg = "";
for(std::vector<std::string*>::iterator it = command.begin(); it != command.end(); it++)
msg.append(*(*it) + " ");
msg.erase(msg.size()-1);
char buf[128];
int n = sprintf(buf, "*****Userid:%d --- Username:%s just piped '%s' to Userid:%d --- Username:%s*****\n",
shareinfo->get_id(),
shareinfo->get_name(),
msg.c_str(),
target->get_id(),
target->get_name());
// broadcast(buf, n);
target->add_request(shareinfo->get_id());
munmap(target, sizeof(target));
int fd = open(get_fifo_id(shareinfo->get_id(), partners[userid]), O_WRONLY, 0666);
curout = fd;
sout = FIFO;
}
}
else
{
char buf[64];
int n = sprintf(buf, "*** Error: the pipe #%d->#%d already exists. ***", shareinfo->get_id(), userid);
write(out, buf, n);
reset();
}
}
else
{
std::string message = "This user is not exist\n";
write(out, message.c_str(), message.size());
reset();
}
}
}
else
{
std::string message = "There should have command before >\n";
write(out, message.c_str(), message.size());
reset();
}
}
