static ssize_t
ngx_zeromq_recv_chain(ngx_connection_t *c, ngx_chain_t *cl)
{
ngx_event_t *rev;
ngx_buf_t *b;
ngx_int_t rc;
void *zmq;
ssize_t n, size;
rev = c->read;
if (rev->eof) {
ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0, "zmq_recv: - eom:1");
return 0;
}
zmq = ngx_zeromq_get_socket(c);
rc = ngx_zeromq_ready(zmq, rev, "zmq_recv", ZMQ_POLLIN);
if (rc < 0) {
return rc;
}
size = 0;
for (; cl; cl = cl->next) {
b = cl->buf;
n = ngx_zeromq_recv_part(zmq, rev, b->last, b->end - b->last);
if (n < 0) {
return n;
}
b->last += n;
b->end = b->last;
size += n;
if (rev->eof) {
break;
}
}
return size;
}
static ssize_t
ngx_zeromq_recv(ngx_connection_t *c, u_char *buf, size_t size)
{
ngx_http_request_t *r;
ngx_event_t *rev;
ngx_int_t rc;
void *zmq;
ssize_t n;
rev = c->read;
if (rev->eof) {
ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0, "zmq_recv: - eom:1");
return 0;
}
zmq = ngx_zeromq_get_socket(c);
rc = ngx_zeromq_ready(zmq, rev, "zmq_recv", ZMQ_POLLIN);
if (rc < 0) {
return rc;
}
n = ngx_zeromq_recv_part(zmq, rev, buf, size);
if (n < 0) {
return n;
}
/*
* This *really* shouldn't be here, but we need to cheat nginx into
* thinking that the whole buffer space was used, otherwise it will
* try to read into remaining part of this buffer, which could lead
* to message part not fitting in.
*/
r = c->data;
if (buf == r->upstream->buffer.start) {
r->upstream->buffer.end += size;
}
return n;
}
ngx_zeromq_recv_chain(ngx_connection_t *c, ngx_chain_t *cl)
#endif
{
ngx_zeromq_connection_t *zc;
ngx_event_t *rev;
ngx_buf_t *b;
void *zmq;
ssize_t n, size;
rev = c->read;
if (rev->eof) {
ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0, "zmq_recv: - eom:1");
return 0;
}
zc = (ngx_zeromq_connection_t *) c;
zmq = zc->recv->socket;
size = 0;
for (; cl; cl = cl->next) {
b = cl->buf;
n = ngx_zeromq_recv_part(zmq, rev, b->last, b->end - b->last);
if (n < 0) {
return n;
}
b->last += n;
b->end = b->last;
size += n;
if (rev->eof) {
break;
}
}
return size;
}