ceph/src/spdk/dpdk/lib/librte_cmdline/cmdline.h

   1 /* SPDX-License-Identifier: BSD-3-Clause
   2  * Copyright(c) 2010-2014 Intel Corporation.
   3  * Copyright (c) 2009, Olivier MATZ <zer0@droids-corp.org>
   4  * All rights reserved.
   5  */
   6
   7 #ifndef _CMDLINE_H_
   8 #define _CMDLINE_H_
   9
  10 #include <rte_common.h>
  11
  12 #include <termios.h>
  13 #include <cmdline_rdline.h>
  14 #include <cmdline_parse.h>
  15
  16 /**
  17  * @file
  18  *
  19  * Command line API
  20  */
  21
  22 #ifdef __cplusplus
  23 extern "C" {
  24 #endif
  25
  26 struct cmdline {
  27         int s_in;
  28         int s_out;
  29         cmdline_parse_ctx_t *ctx;
  30         struct rdline rdl;
  31         char prompt[RDLINE_PROMPT_SIZE];
  32         struct termios oldterm;
  33 };
  34
  35 struct cmdline *cmdline_new(cmdline_parse_ctx_t *ctx, const char *prompt, int s_in, int s_out);
  36 void cmdline_set_prompt(struct cmdline *cl, const char *prompt);
  37 void cmdline_free(struct cmdline *cl);
  38 void cmdline_printf(const struct cmdline *cl, const char *fmt, ...)
  39         __rte_format_printf(2, 3);
  40 int cmdline_in(struct cmdline *cl, const char *buf, int size);
  41 int cmdline_write_char(struct rdline *rdl, char c);
  42
  43 /**
  44  * This function is nonblocking equivalent of ``cmdline_interact()``. It polls
  45  * *cl* for one character and interpret it. If return value is *RDLINE_EXITED*
  46  * it mean that ``cmdline_quit()`` was invoked.
  47  *
  48  * @param cl
  49  *   The command line object.
  50  *
  51  * @return
  52  *   On success return object status - one of *enum rdline_status*.
  53  *   On error return negative value.
  54  */
  55 int cmdline_poll(struct cmdline *cl);
  56
  57 void cmdline_interact(struct cmdline *cl);
  58 void cmdline_quit(struct cmdline *cl);
  59
  60 #ifdef __cplusplus
  61 }
  62 #endif
  63
  64 #endif /* _CMDLINE_SOCKET_H_ */