4 * Copyright(c) 2010-2014 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.
35 * Copyright (c) 2009, Olivier MATZ <zer0@droids-corp.org>
36 * All rights reserved.
37 * Redistribution and use in source and binary forms, with or without
38 * modification, are permitted provided that the following conditions are met:
40 * * Redistributions of source code must retain the above copyright
41 * notice, this list of conditions and the following disclaimer.
42 * * Redistributions in binary form must reproduce the above copyright
43 * notice, this list of conditions and the following disclaimer in the
44 * documentation and/or other materials provided with the distribution.
45 * * Neither the name of the University of California, Berkeley nor the
46 * names of its contributors may be used to endorse or promote products
47 * derived from this software without specific prior written permission.
49 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND ANY
50 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
51 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
52 * DISCLAIMED. IN NO EVENT SHALL THE REGENTS AND CONTRIBUTORS BE LIABLE FOR ANY
53 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
54 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
55 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
56 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
57 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
58 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
70 #include <netinet/in.h>
72 #include <rte_string_fns.h>
74 #include "cmdline_parse.h"
75 #include "cmdline_rdline.h"
79 cmdline_valid_buffer(struct rdline *rdl, const char *buf,
80 __attribute__((unused)) unsigned int size)
82 struct cmdline *cl = rdl->opaque;
84 ret = cmdline_parse(cl, buf);
85 if (ret == CMDLINE_PARSE_AMBIGUOUS)
86 cmdline_printf(cl, "Ambiguous command\n");
87 else if (ret == CMDLINE_PARSE_NOMATCH)
88 cmdline_printf(cl, "Command not found\n");
89 else if (ret == CMDLINE_PARSE_BAD_ARGS)
90 cmdline_printf(cl, "Bad arguments\n");
94 cmdline_complete_buffer(struct rdline *rdl, const char *buf,
95 char *dstbuf, unsigned int dstsize,
98 struct cmdline *cl = rdl->opaque;
99 return cmdline_complete(cl, buf, state, dstbuf, dstsize);
103 cmdline_write_char(struct rdline *rdl, char c)
114 ret = write(cl->s_out, &c, 1);
121 cmdline_set_prompt(struct cmdline *cl, const char *prompt)
125 rte_snprintf(cl->prompt, sizeof(cl->prompt), "%s", prompt);
129 cmdline_new(cmdline_parse_ctx_t *ctx, const char *prompt, int s_in, int s_out)
136 cl = malloc(sizeof(struct cmdline));
139 memset(cl, 0, sizeof(struct cmdline));
144 rdline_init(&cl->rdl, cmdline_write_char,
145 cmdline_valid_buffer, cmdline_complete_buffer);
147 cmdline_set_prompt(cl, prompt);
148 rdline_newline(&cl->rdl, cl->prompt);
154 cmdline_free(struct cmdline *cl)
163 if (cl->s_out != cl->s_in && cl->s_out > 2)
169 cmdline_printf(const struct cmdline *cl, const char *fmt, ...)
180 vdprintf(cl->s_out, fmt, ap);
189 buf = malloc(BUFSIZ);
193 ret = vsnprintf(buf, BUFSIZ, fmt, ap);
199 write(cl->s_out, buf, ret);
205 cmdline_in(struct cmdline *cl, const char *buf, int size)
207 const char *history, *buffer;
208 size_t histlen, buflen;
215 for (i=0; i<size; i++) {
216 ret = rdline_char_in(&cl->rdl, buf[i]);
218 if (ret == RDLINE_RES_VALIDATED) {
219 buffer = rdline_get_buffer(&cl->rdl);
220 history = rdline_get_history_item(&cl->rdl, 0);
222 histlen = strnlen(history, RDLINE_BUF_SIZE);
223 same = !memcmp(buffer, history, histlen) &&
224 buffer[histlen] == '\n';
228 buflen = strnlen(buffer, RDLINE_BUF_SIZE);
229 if (buflen > 1 && !same)
230 rdline_add_history(&cl->rdl, buffer);
231 rdline_newline(&cl->rdl, cl->prompt);
233 else if (ret == RDLINE_RES_EOF)
235 else if (ret == RDLINE_RES_EXITED)
242 cmdline_quit(struct cmdline *cl)
246 rdline_quit(&cl->rdl);
250 cmdline_interact(struct cmdline *cl)
259 if (read(cl->s_in, &c, 1) < 0)
261 if (cmdline_in(cl, &c, 1) < 0)