ceph/src/seastar/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 <termios.h>
  11 #include <cmdline_rdline.h>
  12 #include <cmdline_parse.h>
  13
  14 /**
  15  * @file
  16  *
  17  * Command line API
  18  */
  19
  20 #ifdef __cplusplus
  21 extern "C" {
  22 #endif
  23
  24 struct cmdline {
  25         int s_in;
  26         int s_out;
  27         cmdline_parse_ctx_t *ctx;
  28         struct rdline rdl;
  29         char prompt[RDLINE_PROMPT_SIZE];
  30         struct termios oldterm;
  31 };
  32
  33 struct cmdline *cmdline_new(cmdline_parse_ctx_t *ctx, const char *prompt, int s_in, int s_out);
  34 void cmdline_set_prompt(struct cmdline *cl, const char *prompt);
  35 void cmdline_free(struct cmdline *cl);
  36 void cmdline_printf(const struct cmdline *cl, const char *fmt, ...)
  37         __attribute__((format(printf,2,3)));
  38 int cmdline_in(struct cmdline *cl, const char *buf, int size);
  39 int cmdline_write_char(struct rdline *rdl, char c);
  40
  41 /**
  42  * This function is nonblocking equivalent of ``cmdline_interact()``. It polls
  43  * *cl* for one character and interpret it. If return value is *RDLINE_EXITED*
  44  * it mean that ``cmdline_quit()`` was invoked.
  45  *
  46  * @param cl
  47  *   The command line object.
  48  *
  49  * @return
  50  *   On success return object status - one of *enum rdline_status*.
  51  *   On error return negative value.
  52  */
  53 int cmdline_poll(struct cmdline *cl);
  54
  55 void cmdline_interact(struct cmdline *cl);
  56 void cmdline_quit(struct cmdline *cl);
  57
  58 #ifdef __cplusplus
  59 }
  60 #endif
  61
  62 #endif /* _CMDLINE_SOCKET_H_ */