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#include <ngx_config.h>
#include <ngx_core.h>
#include <ngx_errno.h>
#include <ngx_log.h>
#include <ngx_recv.h>
#include <ngx_connection.h>
int ngx_event_recv_core(ngx_event_t *ev, char *buf, size_t size)
{
int n;
ngx_err_t err;
ngx_connection_t *c;
c = (ngx_connection_t *) ev->data;
#if (HAVE_KQUEUE)
ngx_log_debug(ev->log, "ngx_event_recv: eof:%d, avail:%d, err:%d" _
ev->eof _ ev->available _ ev->error);
#if !(USE_KQUEUE)
if (ngx_event_type == NGX_KQUEUE_EVENT)
#endif
if (ev->eof && ev->available == 0) {
if (ev->error) {
ngx_log_error(NGX_LOG_ERR, ev->log, ev->error,
"ngx_event_recv: recv() failed while %s",
ev->log->action);
return NGX_ERROR;
}
return 0;
}
#endif
n = ngx_recv(c->fd, buf, size, 0);
if (n == -1) {
err = ngx_socket_errno;
if (err == NGX_EAGAIN) {
ngx_log_error(NGX_LOG_INFO, ev->log, err,
"ngx_event_recv: recv() returns EAGAIN while %s",
ev->log->action);
return NGX_AGAIN;
}
ngx_log_error(NGX_LOG_INFO, ev->log, err,
"ngx_event_recv: recv() failed while %s",
ev->log->action);
return NGX_ERROR;
}
#if (HAVE_KQUEUE)
#if !(USE_KQUEUE)
if (ngx_event_type == NGX_KQUEUE_EVENT)
#endif
ev->available -= n;
#endif
return n;
}
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