4 * Copyright(c) 2010-2012 Intel Corporation. All rights reserved.
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
11 * * Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
13 * * Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in
15 * the documentation and/or other materials provided with the
17 * * Neither the name of Intel Corporation nor the names of its
18 * contributors may be used to endorse or promote products derived
19 * from this software without specific prior written permission.
21 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
22 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
23 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
24 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
25 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
26 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
27 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
28 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
29 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
30 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
31 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
36 * Copyright (c) 2009, Olivier MATZ <zer0@droids-corp.org>
37 * All rights reserved.
38 * Redistribution and use in source and binary forms, with or without
39 * modification, are permitted provided that the following conditions are met:
41 * * Redistributions of source code must retain the above copyright
42 * notice, this list of conditions and the following disclaimer.
43 * * Redistributions in binary form must reproduce the above copyright
44 * notice, this list of conditions and the following disclaimer in the
45 * documentation and/or other materials provided with the distribution.
46 * * Neither the name of the University of California, Berkeley nor the
47 * names of its contributors may be used to endorse or promote products
48 * derived from this software without specific prior written permission.
50 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND ANY
51 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
52 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
53 * DISCLAIMED. IN NO EVENT SHALL THE REGENTS AND CONTRIBUTORS BE LIABLE FOR ANY
54 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
55 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
56 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
57 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
58 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
59 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
71 #include <netinet/in.h>
73 #include <rte_string_fns.h>
75 #include "cmdline_parse.h"
76 #include "cmdline_rdline.h"
80 cmdline_valid_buffer(struct rdline *rdl, const char *buf,
81 __attribute__((unused)) unsigned int size)
83 struct cmdline *cl = rdl->opaque;
85 ret = cmdline_parse(cl, buf);
86 if (ret == CMDLINE_PARSE_AMBIGUOUS)
87 cmdline_printf(cl, "Ambiguous command\n");
88 else if (ret == CMDLINE_PARSE_NOMATCH)
89 cmdline_printf(cl, "Command not found\n");
90 else if (ret == CMDLINE_PARSE_BAD_ARGS)
91 cmdline_printf(cl, "Bad arguments\n");
95 cmdline_complete_buffer(struct rdline *rdl, const char *buf,
96 char *dstbuf, unsigned int dstsize,
99 struct cmdline *cl = rdl->opaque;
100 return cmdline_complete(cl, buf, state, dstbuf, dstsize);
104 cmdline_write_char(struct rdline *rdl, char c)
107 struct cmdline *cl = rdl->opaque;
110 ret = write(cl->s_out, &c, 1);
117 cmdline_set_prompt(struct cmdline *cl, const char *prompt)
119 rte_snprintf(cl->prompt, sizeof(cl->prompt), "%s", prompt);
123 cmdline_new(cmdline_parse_ctx_t *ctx, const char *prompt, int s_in, int s_out)
126 cl = malloc(sizeof(struct cmdline));
129 memset(cl, 0, sizeof(struct cmdline));
134 rdline_init(&cl->rdl, cmdline_write_char,
135 cmdline_valid_buffer, cmdline_complete_buffer);
137 cmdline_set_prompt(cl, prompt);
138 rdline_newline(&cl->rdl, cl->prompt);
144 cmdline_free(struct cmdline *cl)
149 if (cl->s_out != cl->s_in && cl->s_out > 2)
155 cmdline_printf(const struct cmdline *cl, const char *fmt, ...)
163 vdprintf(cl->s_out, fmt, ap);
172 buf = malloc(BUFSIZ);
176 ret = vsnprintf(buf, BUFSIZ, fmt, ap);
182 write(cl->s_out, buf, ret);
188 cmdline_in(struct cmdline *cl, const char *buf, int size)
190 const char *history, *buffer;
191 size_t histlen, buflen;
195 for (i=0; i<size; i++) {
196 ret = rdline_char_in(&cl->rdl, buf[i]);
198 if (ret == RDLINE_RES_VALIDATED) {
199 buffer = rdline_get_buffer(&cl->rdl);
200 history = rdline_get_history_item(&cl->rdl, 0);
202 histlen = strnlen(history, RDLINE_BUF_SIZE);
203 same = !memcmp(buffer, history, histlen) &&
204 buffer[histlen] == '\n';
208 buflen = strnlen(buffer, RDLINE_BUF_SIZE);
209 if (buflen > 1 && !same)
210 rdline_add_history(&cl->rdl, buffer);
211 rdline_newline(&cl->rdl, cl->prompt);
213 else if (ret == RDLINE_RES_EOF)
215 else if (ret == RDLINE_RES_EXITED)
222 cmdline_quit(struct cmdline *cl)
224 rdline_quit(&cl->rdl);
228 cmdline_interact(struct cmdline *cl)
234 if (read(cl->s_in, &c, 1) < 0)
236 if (cmdline_in(cl, &c, 1) < 0)