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/*
* Copyright (C) Igor Sysoev
* Copyright (C) Nginx, Inc.
*/
#include <ngx_config.h>
#include <ngx_core.h>
#include <ngx_event.h>
ssize_t
ngx_udp_unix_send(ngx_connection_t *c, u_char *buf, size_t size)
{
ssize_t n;
ngx_err_t err;
ngx_event_t *wev;
wev = c->write;
for ( ;; ) {
n = sendto(c->fd, buf, size, 0, c->sockaddr, c->socklen);
ngx_log_debug4(NGX_LOG_DEBUG_EVENT, c->log, 0,
"sendto: fd:%d %z of %uz to \"%V\"",
c->fd, n, size, &c->addr_text);
if (n >= 0) {
if ((size_t) n != size) {
wev->error = 1;
(void) ngx_connection_error(c, 0, "sendto() incomplete");
return NGX_ERROR;
}
c->sent += n;
return n;
}
err = ngx_socket_errno;
if (err == NGX_EAGAIN) {
wev->ready = 0;
ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, NGX_EAGAIN,
"sendto() not ready");
return NGX_AGAIN;
}
if (err != NGX_EINTR) {
wev->error = 1;
(void) ngx_connection_error(c, err, "sendto() failed");
return NGX_ERROR;
}
}
}
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