void MCExecPoint::setuint64(uint64_t i)
{
sprintf(getbuffer(U8L), "%llu", i);
svalue.set(buffer, strlen(buffer));
nvalue = (real8)i;
format = VF_BOTH;
}
/* Return a string describing the meaning of the signal number SIGNUM. */
char *
strsignal (int signum)
{
__libc_once_define (static, once);
const char *desc;
/* If we have not yet initialized the buffer do it now. */
__libc_once (once, init);
if (
#ifdef SIGRTMIN
(signum >= SIGRTMIN && signum <= SIGRTMAX) ||
#endif
signum < 0 || signum >= NSIG || (desc = _sys_siglist[signum]) == NULL)
{
char *buffer = getbuffer ();
int len;
#ifdef SIGRTMIN
if (signum >= SIGRTMIN && signum <= SIGRTMAX)
len = __snprintf (buffer, BUFFERSIZ - 1, _("Real-time signal %d"),
signum - SIGRTMIN);
else
#endif
len = __snprintf (buffer, BUFFERSIZ - 1, _("Unknown signal %d"),
signum);
if (len >= BUFFERSIZ)
buffer = NULL;
else
buffer[len] = '\0';
return buffer;
}
return (char *) _(desc);
}
void MCExecPoint::setint(int4 i)
{
sprintf(getbuffer(U4L), "%d", i);
svalue.set(buffer, strlen(buffer));
nvalue = (real8)i;
format = VF_BOTH;
}
void MCExecPoint::setr8(real8 n, uint2 fw, uint2 trailing, uint2 force)
{
sprintf(getbuffer(R8L), "%0*.*f", fw, trailing, n);
MCU_strip(buffer, trailing, force);
svalue.set(buffer, strlen(buffer));
nvalue = n;
format = VF_BOTH;
}
void MCExecPoint::grab(void)
{
if (format == VF_ARRAY)
grabarray();
else if (format != VF_NUMBER && svalue . getstring() != buffer)
{
uint4 l = svalue.getlength();
memmove(getbuffer(l), svalue.getstring(), l);
svalue.set(buffer, l);
}
}
void MCExecPoint::grabsvalue()
{
if (format == VF_NUMBER)
tos();
if (svalue.getstring() != buffer)
{
uint4 l = svalue.getlength();
memmove(getbuffer(l), svalue.getstring(), l);
svalue.set(buffer, l);
}
}
static void
_dxf_BUFFER_CONFIG (void *ctx, void *image, int llx, int lly, int urx, int ury,
int *CurrentDisplayMode, int *CurrentBufferMode,
tdmInteractorRedrawMode redrawMode)
{
/*
* Direct interactor echos use this and following routine to manage
* double buffering.
*/
ENTRY(("_dxf_BUFFER_CONFIG (0x%x, 0x%x, %d, %d, %d, %d, 0x%x, 0x%x, %d)",
ctx, image, llx, lly, urx, ury,
CurrentDisplayMode, CurrentBufferMode, redrawMode));
/* record current GL buffer mode */
*CurrentBufferMode = getbuffer() ;
if (redrawMode == tdmBothBufferDraw ||
redrawMode == tdmFrontBufferDraw)
{
PRINT(("%s", redrawMode == tdmBothBufferDraw ?
"tdmBothBufferDraw" : "tdmFrontBufferDraw"));
/*
* Interactor echos no longer double buffered, so don't bother
* keeping front and back buffer contents identical.
*/
frontbuffer(TRUE) ;
backbuffer(FALSE) ;
}
else if (redrawMode == tdmBackBufferDraw ||
redrawMode == tdmViewEchoMode)
{
PRINT(("%s", redrawMode == tdmViewEchoMode ?
"tdmViewEchoMode" : "tdmBackBufferDraw"));
frontbuffer(FALSE) ;
backbuffer(TRUE) ;
}
else
PRINT(("ignoring redraw mode"));
EXIT((""));
}
void gaudio_record_lld_start(void) {
WAVEHDR *pwh;
if (!ah)
return;
while (nQueuedBuffers < MAX_WAVE_HEADERS) {
// Find the empty one - there will always be at least one.
for(pwh = WaveHdrs; pwh->lpData; pwh++);
// Grab the next audio block from the free-list
if (!getbuffer(pwh))
break;
}
if (!isRunning) {
isRunning = TRUE;
waveInStart(ah);
}
}
static DWORD WINAPI waveProc(LPVOID arg) {
MSG msg;
WAVEHDR *pwh;
GDataBuffer *paud;
(void) arg;
while (GetMessage(&msg, 0, 0, 0)) {
switch (msg.message) {
case MM_WIM_DATA:
pwh = (WAVEHDR *)msg.lParam;
// Windows - Let go!
waveInUnprepareHeader(ah, pwh, sizeof(WAVEHDR));
// Save the buffer in the audio record list
paud = (GDataBuffer *)pwh->dwUser;
paud->len = pwh->dwBytesRecorded;
gfxSystemLock();
gaudioRecordSaveDataBlockI(paud);
gfxSystemUnlock();
pwh->lpData = 0;
nQueuedBuffers--;
// Are we stopping?
if (!isRunning) {
// Have we finished yet?
if (!nQueuedBuffers) {
gfxSystemLock();
gaudioRecordDoneI();
gfxSystemUnlock();
}
break;
}
// Try and get a new block
getbuffer(pwh);
break;
}
}
return 0;
}
void MCExecPoint::setstringf(const char *p_spec, ...)
{
va_list t_args;
int t_count;
#if defined(_HAS_VSCPRINTF)
va_start(t_args, p_spec);
t_count = _vscprintf(p_spec, t_args);
va_end(t_args);
#elif defined(_HAS_VSNPRINTF)
va_start(t_args, p_spec);
t_count = vsnprintf(nil, 0, p_spec, t_args);
va_end(t_args);
#else
#error MCExecPoint::setstringf not implemented
#endif
va_start(t_args, p_spec);
vsprintf(getbuffer(t_count + 1), p_spec, t_args);
va_end(t_args);
setstrlen();
}
void MCExecPoint::upper()
{
uint4 length = svalue.getlength();
MCU_upper(getbuffer(length), svalue);
svalue.set(buffer, length);
}
void
fileout(register Archive_t* ap, register File_t* f)
{
register size_t m;
register ssize_t n;
register off_t c;
int err;
Buffer_t* bp;
if (f->delta.op == DELTA_verify)
ap->selected--;
else if (putheader(ap, f))
{
if (!ap->format->putdata || !(*ap->format->putdata)(&state, ap, f, f->fd))
{
err = 0;
c = f->st->st_size;
while (c > 0)
{
n = m = c > state.buffersize ? state.buffersize : c;
if (!err)
{
if (f->fd >= 0)
{
if ((n = read(f->fd, ap->io->next, m)) < 0 && errno == EIO)
{
static char* buf;
if (!buf)
{
n = 1024 * 8;
error(1, "EIO read error -- falling back to aligned reads");
if (!(buf = malloc(state.buffersize + n)))
nospace();
buf += n - (((ssize_t)buf) & (n - 1));
}
if ((n = read(f->fd, buf, m)) > 0)
memcpy(ap->io->next, buf, n);
}
}
else if (bp = getbuffer(f->fd))
{
memcpy(ap->io->next, bp->next, m);
if (f->extended && ap->convert[SECTION_CONTROL].f2a)
ccmapstr(ap->convert[SECTION_CONTROL].f2a, ap->io->next, m);
bp->next += m;
}
else if (bread(f->ap, ap->io->next, (off_t)0, (off_t)n, 1) <= 0)
n = -1;
}
if (n <= 0)
{
if (n)
error(ERROR_SYSTEM|2, "%s: read error", f->path);
else
error(2, "%s: file size changed", f->path);
memzero(ap->io->next, state.buffersize);
err = 1;
}
else
{
c -= n;
bput(ap, n);
}
}
}
puttrailer(ap, f);
}
if (f->fd >= 0)
closein(ap, f, f->fd);
}
void MCExecPoint::setrectangle(int32_t p_left, int32_t p_top, int32_t p_right, int32_t p_bottom)
{
sprintf(getbuffer(I4L * 4 + 4), "%d,%d,%d,%d", p_left, p_top, p_right, p_bottom);
setstrlen();
}
void MCExecPoint::setrectangle(const MCRectangle32& p_rect)
{
sprintf(getbuffer(I4L * 4 + 4), "%d,%d,%d,%d", p_rect . x, p_rect . y, p_rect . x + p_rect . width, p_rect . y + p_rect . height);
setstrlen();
}
void MCExecPoint::setpoint(int16_t x, int16_t y)
{
sprintf(getbuffer(I2L * 2 + 2), "%d,%d", x, y);
setstrlen();
}
std::shared_ptr<std::vector<unsigned char> > read_input_fd(int fd, bool &continue_flag) {
std::shared_ptr<std::vector<unsigned char> > buffer = getbuffer();
buffer->resize(4096);
ssize_t bread = 0;
while(!force_exit) {
bread = read(fd, buffer->data(), buffer->size());
if(bread < 0) {
if(errno == EINTR) {
bread = 0;
continue;
}
fprintf(stderr, "Failed to read from STDIN: %m\n");
cleanup();
exit(1);
}
break;
}
if(bread == 0) {
if(reopen_input && fd == input_fd) {
close(fd);
delpollfd(fd);
open_named_input();
setnonblock(input_fd, input_name);
addpollfd(input_fd, POLLIN | POLLERR, FDTYPE::INPUT, input_name);
continue_flag = false;
return std::shared_ptr<std::vector<unsigned char> >();
}
else {
cleanup();
exit(0);
}
}
else if(bread > 0) {
std::vector<int> pending_close_fds;
buffer->resize(bread);
for(int fd = 0; fd < (int) fdinfos.size(); fd++) {
if(fdinfos[fd].type == FDTYPE::CONN || fdinfos[fd].type == FDTYPE::FIFO) {
if(fdinfos[fd].buffered_data < max_queue) {
fdinfos[fd].out_buffers.push_back({ buffer, 0 });
if(fdinfos[fd].out_buffers.size() >= buffer_count_shrink_threshold) {
//Starting to accumulate a lot of buffers
//Shrink to fit the older ones to avoid storing large numbers of potentially mostly empty buffers
fdinfos[fd].out_buffers[fdinfos[fd].out_buffers.size() - buffer_count_shrink_threshold].buffer->shrink_to_fit();
}
fdinfos[fd].buffered_data += buffer->size();
setpollfdevents(fd, POLLOUT | POLLERR);
}
else if(!fdinfos[fd].have_overflowed) {
fdinfos[fd].have_overflowed = true;
if(no_overflow) {
// Don't close here as we are currently iterating over the list of fds
pending_close_fds.push_back(fd);
fprintf(stderr, "Queue overflow for output: %s, closing connection\n", fdinfos[fd].name.c_str());
}
else {
fprintf(stderr, "Queue overflow for output: %s\n", fdinfos[fd].name.c_str());
}
}
}
}
if(pending_close_fds.size()) {
continue_flag = false;
for(auto &fd : pending_close_fds) {
close(fd);
delpollfd(fd);
}
}
}
return std::move(buffer);
}
void MCExecPoint::copysvalue(const char *s, uint4 l)
{
memcpy(getbuffer(l), s, l);
svalue.set(buffer, l);
format = VF_STRING;
}
void echo(int sock) {
int conn;
int nfds = 1;
struct pollfd *fd, *fds, *other_fds, *temp;
struct BufferList *head = NULL;
struct BufferNode *node = NULL;
fds = calloc(ARRAY_SIZE, sizeof(struct pollfd));
other_fds = calloc(ARRAY_SIZE, sizeof(struct pollfd));
fds[0].fd = sock;
fds[0].events = POLLIN;
other_fds[0].fd = sock;
other_fds[0].events = POLLIN;
while (1) {
ssize_t read_len = 0;
int index = 1, other_index = 1;
if ((poll(fds, nfds, -1)) < 0) {
perror("poll:");
continue;
}
for (; index < nfds; index++) {
fd = &(fds[index]);
if ((fd->revents & POLLHUP) || (fd->revents & POLLERR)) {
delbuffer(&head, fd->fd);
close(fd->fd);
printf("Connection closed for fds[%d]: %d\n", index, fd->fd);
continue;
}
node = getbuffer(&head, fd->fd);
if (fd->revents & POLLIN) {
int available_size = BUFF_SIZE - node->length;
read_len = read(fd->fd, node->buffer+node->length, available_size);
printf("Read length: %d from fds[%d]: %d\n", (int)read_len,
index, fd->fd);
if (read_len == 0) {
if (node->length >0) {
other_fds[other_index].fd = fds[index].fd;
other_fds[other_index].events = POLLOUT;
other_index++;
} else {
delbuffer(&head, fd->fd);
close(fd->fd);
printf("Connection closed for fds[%d]: fd %d\n", index, fd->fd);
}
} else if (read_len < 0) {
perror("read:");
} else {
node->length += read_len;
other_fds[other_index].fd = fds[index].fd;
if (node->length == BUFF_SIZE) {
other_fds[other_index].events = POLLOUT;
} else {
other_fds[other_index].events = POLLIN | POLLOUT;
}
other_index++;
}
} else if ((fd->revents & POLLOUT)) {
ssize_t write_len = write(fd->fd, node->buffer, node->length);
if (write_len < node->length) {
if (write_len > 0) {
memmove(node->buffer, node->buffer + write_len,
node->length - write_len);
node->length -= write_len;
}
other_fds[other_index].fd = fds[index].fd;
other_fds[other_index].events = POLLIN | POLLOUT;
other_index++;
printf("Failed to write all data to fds[%d]: %d\n", index, fd->fd);
} else {
node->length = 0;
}
if (node->length == 0) {
other_fds[other_index].fd = fds[index].fd;
other_fds[other_index].events = POLLIN;
other_index++;
}
} else {
other_fds[other_index] = fds[index];
other_index++;
}
}
if (fds[0].revents & POLLIN) {
struct sockaddr_in peer;
socklen_t size = sizeof(peer);
if ((conn = accept(fds[0].fd, (struct sockaddr *)&peer, &size)) == -1) {
perror("accept:");
} else {
printf("Connected from %s:%d - fds[%d]: %d\n",
inet_ntoa(peer.sin_addr), ntohs(peer.sin_port), other_index, conn);
other_fds[other_index].fd = conn;
other_fds[other_index].events = POLLIN;
other_index++;
}
}
if ((fds[0].events == POLLIN) && (other_index == ARRAY_SIZE)) {
fds[0].events = 0;
} else if ((fds[0].events == 0) &&
(other_index <= (ARRAY_SIZE / 10 * 8))) {
printf("other_index = %d", other_index);
fds[0].events = POLLIN;
}
temp = fds;
fds = other_fds;
other_fds = temp;
nfds = other_index;
}
}
