SendHelper_HandleWrite_res SendHelper_HandleWrite(bus *b, boxed_msg *box) {
SSL *ssl = box->ssl;
ssize_t wrsz = 0;
/* Attempt a single write to the socket. */
if (ssl == BUS_NO_SSL) {
wrsz = write_plain(b, box);
} else {
assert(ssl);
wrsz = write_ssl(b, box, ssl);
}
BUS_LOG_SNPRINTF(b, 5, LOG_SENDER, b->udata, 64,
"wrote %zd", wrsz);
if (wrsz == -1) {
Send_HandleFailure(b, box, BUS_SEND_TX_FAILURE);
return SHHW_ERROR;
} else if (wrsz == 0) {
/* If the OS set POLLOUT but we can't actually write, then
* just go back to the poll() loop with no progress.
* If we busywait on this, something is deeply wrong. */
BUS_LOG_SNPRINTF(b, 1, LOG_SENDER, b->udata, 128,
"suspicious: wrote %zd bytes to <fd:%d, seq_id%lld>",
wrsz, box->fd, (long long)box->out_seq_id);
} else {
/* Update amount written so far */
box->out_sent_size += wrsz;
}
size_t msg_size = box->out_msg_size;
size_t sent_size = box->out_sent_size;
size_t rem = msg_size - sent_size;
BUS_LOG_SNPRINTF(b, 5, LOG_SENDER, b->udata, 64,
"wrote %zd, rem is %zd", wrsz, rem);
if (rem == 0) { /* check if whole message is written */
#ifndef TEST
struct timeval done;
#endif
if (Util_Timestamp(&done, true)) {
box->tv_send_done = done;
} else {
Send_HandleFailure(b, box, BUS_SEND_TIMESTAMP_ERROR);
return SHHW_ERROR;
}
if (enqueue_EXPECT_message_to_listener(b, box)) {
return SHHW_DONE;
} else {
Send_HandleFailure(b, box, BUS_SEND_TX_TIMEOUT_NOTIFYING_LISTENER);
return SHHW_ERROR;
}
} else {
return SHHW_OK;
}
}
void write_frame(int time) {
if (rank != 0) {
MPI_Send(u+1, nxl, MPI_DOUBLE, 0, 0, MPI_COMM_WORLD);
} else {
int source, i, j, count, global_index;
MPI_Status status;
im = gdImageCreate(nx*PWIDTH,PHEIGHT);
if (time == 0) {
for (j=0; j<MAXCOLORS; j++)
colors[j] = gdImageColorAllocate (im, j, 0, MAXCOLORS-j-1);
gdImageGifAnimBegin(im, file, 1, -1);
} else {
gdImagePaletteCopy(im, previm);
}
global_index = 0;
for (source = 0; source < nprocs; source++) {
if (source != 0) {
MPI_Recv(buf, 1+nx/nprocs, MPI_DOUBLE, source, 0, MPI_COMM_WORLD,
&status);
MPI_Get_count(&status, MPI_DOUBLE, &count);
} else {
for (i = 1; i <= nxl; i++) buf[i-1] = u[i];
count = nxl;
}
for (i = 0; i < count; i++) {
int color = (int)(buf[i]*MAXCOLORS/M);
assert(color >= 0);
if (color >= MAXCOLORS) color = MAXCOLORS-1;
gdImageFilledRectangle
(im, global_index*PWIDTH, 0, (global_index+1)*PWIDTH-1,
PHEIGHT-1, colors[color]);
global_index++;
}
}
if (time == 0) {
gdImageGifAnimAdd(im, file, 0, 0, 0, 0, gdDisposalNone, NULL);
} else {
gdImageGifAnimAdd(im, file, 0, 0, 0, 5, gdDisposalNone, previm);
gdImageDestroy(previm);
}
previm=im;
im=NULL;
}
#ifdef DEBUG
write_plain(time);
#endif
}
static void dot_end_graph(GVJ_t *job)
{
graph_t *g = job->obj->u.g;
Agiodisc_t* io_save;
static Agiodisc_t io;
if (io.afread == NULL) {
io.afread = AgIoDisc.afread;
io.putstr = (putstrfn)gvputs;
io.flush = (flushfn)gvflush;
}
io_save = g->clos->disc.io;
g->clos->disc.io = &io;
switch (job->render.id) {
case FORMAT_PLAIN:
write_plain(job, g, (FILE*)job, FALSE);
break;
case FORMAT_PLAIN_EXT:
write_plain(job, g, (FILE*)job, TRUE);
break;
case FORMAT_DOT:
case FORMAT_CANON:
if (!(job->flags & OUTPUT_NOT_REQUIRED))
agwrite(g, (FILE*)job);
break;
case FORMAT_XDOT:
case FORMAT_XDOT12:
case FORMAT_XDOT14:
xdot_end_graph(g);
if (!(job->flags & OUTPUT_NOT_REQUIRED))
agwrite(g, (FILE*)job);
break;
}
g->clos->disc.io = io_save;
}
void dotneato_write(graph_t* g, std::string *output_str)
{
double xf, yf;
char *p;
int i;
/* margins */
if ((p = agget(g,"margin"))) {
i = sscanf(p,"%lf,%lf",&xf,&yf);
if (i > 0) g->u.drawing->margin.x = g->u.drawing->margin.y = POINTS(xf);
if (i > 1) g->u.drawing->margin.y = POINTS(yf);
}
else {
/* set default margins depending on format */
switch (Output_lang) {
case GIF:
case PNG:
case JPEG:
case GD:
case GD2:
case ISMAP:
case IMAP:
case VRML:
case SVG:
g->u.drawing->margin.x = DEFAULT_EMBED_MARGIN_X;
g->u.drawing->margin.y = DEFAULT_EMBED_MARGIN_Y;
break;
case POSTSCRIPT:
case HPGL:
case PCL:
case MIF:
case METAPOST:
case FIG:
case VTX:
case ATTRIBUTED_DOT:
case PLAIN:
g->u.drawing->margin.x = g->u.drawing->margin.y = DEFAULT_MARGIN;
break;
case CANONICAL_DOT:
break;
}
}
switch (Output_lang) {
case POSTSCRIPT:
case HPGL:
case PCL:
case MIF:
case GIF:
case PNG:
case JPEG:
case GD:
case GD2:
case ISMAP:
case IMAP:
case VRML:
case METAPOST:
case FIG:
case SVG:
/* output in breadth first graph walk order */
emit_graph(g,0); break;
case VTX:
/* output sorted, i.e. all nodes then all edges */
emit_graph(g,1); break;
case ATTRIBUTED_DOT:
attach_attrs(g);
agwrite(g,Output_file); break;
case CANONICAL_DOT:
agwrite(g,Output_file); break;
case PLAIN:
attach_attrs(g);
if (output_str)
write_plainstr(g,output_str);
else
write_plain(g,Output_file);
break;
}
fflush(Output_file);
}