int lb_readfd(struct LineBuffer* lb, int fd) {
int n = read(fd, lb->line + lb->head, size_left(lb));
if (n == 0)
return EOF;
if (n < 0)
return errno;
return update_r(lb, n);
}
int lb_putline(struct LineBuffer* lb, char *buf) {
int len = strlen(buf);
int mustadd = (len == 0 || buf[len-1] == '\n') ? 0 : 1;
if(len + mustadd > size_left(lb))
return -1;
lb_readstr(lb, &buf, len);
char* c = &EOL;
if(mustadd) lb_readstr(lb, &c, 1);
return len;
}
static size_t onRead(char *buffer, size_t size, size_t nitems, void *instream)
{
WebRequestInternalState *is_(reinterpret_cast<WebRequestInternalState*>(instream));
is_->state = HTTP_OPEN;
if (is_->isAborted)
{
is_->state = HTTP_CLOSED;
return CURL_READFUNC_ABORT;
}
// Find the size in bytes.
size_t real_size(size * nitems);
// Read as much as we can from the upload buffer queue.
Deserializer* upload(dynamic_cast<Deserializer*>(is_->upload.Get()));
size_t size_queued(upload->GetSize());
size_t size_left(real_size);
if ((size_left > 0) && (size_queued > 0))
{
size_t read_size(std::min(size_queued, size_left));
upload->Read(buffer, (unsigned int)read_size);
size_left -= read_size;
}
// If we still have bytes to fill, then emit a "upload_chunk" event.
if (size_left > 0)
{
VariantMap eventData;
eventData.Insert(MakePair(StringHash("upload"), Variant(is_->upload)));
eventData.Insert(MakePair(StringHash("size"), Variant((unsigned int)size_left)));
is_->es.SendEvent("upload_chunk", eventData);
}
// Read as much as we can from the upload buffer queue (again).
size_queued = upload->GetSize();
size_left = real_size;
if ((size_left > 0) && (size_queued > 0))
{
size_t read_size(std::min(size_queued, size_left));
upload->Read(buffer, (unsigned int)read_size);
size_left -= read_size;
}
// If we still have bytes to fill, then something went wrong, so we should abort.
if (size_left > 0)
{
is_->isAborted = true;
return CURL_READFUNC_ABORT;
}
return real_size;
}
int lb_readstr(struct LineBuffer* lb, char** buf, int len) {
int n = read_buf(*buf, len, lb->line + lb->head, size_left(lb));
*buf += n;
return update_r(lb, n);
}