static ngx_chain_t *
ngx_zeromq_send_chain(ngx_connection_t *c, ngx_chain_t *in, off_t limit)
{
ngx_zeromq_connection_t *zc;
ngx_event_t *wev;
ngx_chain_t *cl;
ngx_buf_t *b;
void *zmq;
ssize_t n;
wev = c->write;
zc = (ngx_zeromq_connection_t *) c;
zmq = zc->socket;
if (c->write->handler != ngx_zeromq_event_handler) {
zc->handler = c->write->handler;
c->write->handler = ngx_zeromq_event_handler;
c->read->handler = ngx_zeromq_event_handler;
}
for (cl = in; cl; cl = cl->next) {
b = cl->buf;
if (ngx_buf_special(cl->buf)) {
continue;
}
n = ngx_zeromq_send_part(zmq, wev, b->pos, b->last - b->pos,
cl->next ? ZMQ_SNDMORE : 0);
if (n < 0) {
if (n == NGX_AGAIN) {
return cl;
}
return (ngx_chain_t *) n;
}
b->pos = b->last;
c->sent += n;
}
zc->request_sent = 1;
return NULL;
}
static ngx_chain_t *
ngx_zeromq_send_chain(ngx_connection_t *c, ngx_chain_t *in, off_t limit)
{
ngx_event_t *wev;
ngx_chain_t *cl;
ngx_buf_t *b;
ngx_int_t rc;
void *zmq;
ssize_t n;
wev = c->write;
zmq = ngx_zeromq_get_socket(c);
rc = ngx_zeromq_ready(zmq, wev, "zmq_send", ZMQ_POLLOUT);
if (rc == NGX_ERROR) {
return NGX_CHAIN_ERROR;
} else if (rc == NGX_AGAIN) {
return in;
}
for (cl = in; cl; cl = cl->next) {
b = cl->buf;
if (ngx_buf_special(cl->buf)) {
continue;
}
n = ngx_zeromq_send_part(zmq, wev, b->pos, b->last - b->pos,
cl->next ? ZMQ_SNDMORE : 0);
if (n < 0) {
return (ngx_chain_t *) n;
}
b->pos = b->last;
c->sent += n;
}
return NULL;
}