Mercurial > hg > nginx
diff src/os/unix/ngx_recv_chain.c @ 73:4534060fde92
nginx-0.0.1-2003-04-10-19:08:54 import
author | Igor Sysoev <igor@sysoev.ru> |
---|---|
date | Thu, 10 Apr 2003 15:08:54 +0000 |
parents | |
children | 17ab1af8c3dd |
line wrap: on
line diff
new file mode 100644 --- /dev/null +++ b/src/os/unix/ngx_recv_chain.c @@ -0,0 +1,42 @@ + +#include <ngx_config.h> +#include <ngx_core.h> +#include <ngx_errno.h> +#include <ngx_log.h> +#include <ngx_connection.h> + + +ssize_t ngx_recv_chain(ngx_connection_t *c, ngx_chain_t *ce) +{ + int n; + struct iovec *iov; + ngx_err_t err; + ngx_array_t io; + + ngx_init_array(io, c->pool, 10, sizeof(struct iovec), NGX_ERROR); + + while (ce) { + ngx_test_null(iov, ngx_push_array(&io), NGX_ERROR); + iov->iov_base = ce->hunk->pos; + iov->iov_len = ce->hunk->last - ce->hunk->pos; + ce = ce->next; + } + + n = readv(c->fd, (struct iovec *) io.elts, io.nelts); + + ngx_destroy_array(&io); + + if (n == -1) { + c->read->ready = 0; + + if (err == NGX_EAGAIN) { + ngx_log_error(NGX_LOG_INFO, c->log, err, "readv() returned EAGAIN"); + return NGX_AGAIN; + } + + ngx_log_error(NGX_LOG_ERR, c->log, err, "readv() failed"); + return NGX_ERROR; + } + + return n; +}