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.
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)
115 ret = write(cl->s_out, &c, 1);
122 cmdline_set_prompt(struct cmdline *cl, const char *prompt)
126 snprintf(cl->prompt, sizeof(cl->prompt), "%s", prompt);
130 cmdline_new(cmdline_parse_ctx_t *ctx, const char *prompt, int s_in, int s_out)
137 cl = malloc(sizeof(struct cmdline));
140 memset(cl, 0, sizeof(struct cmdline));
145 rdline_init(&cl->rdl, cmdline_write_char,
146 cmdline_valid_buffer, cmdline_complete_buffer);
148 cmdline_set_prompt(cl, prompt);
149 rdline_newline(&cl->rdl, cl->prompt);
155 cmdline_free(struct cmdline *cl)
164 if (cl->s_out != cl->s_in && cl->s_out > 2)
170 cmdline_printf(const struct cmdline *cl, const char *fmt, ...)
181 vdprintf(cl->s_out, fmt, ap);
190 buf = malloc(BUFSIZ);
194 ret = vsnprintf(buf, BUFSIZ, fmt, ap);
202 write(cl->s_out, buf, ret);
208 cmdline_in(struct cmdline *cl, const char *buf, int size)
210 const char *history, *buffer;
211 size_t histlen, buflen;
218 for (i=0; i<size; i++) {
219 ret = rdline_char_in(&cl->rdl, buf[i]);
221 if (ret == RDLINE_RES_VALIDATED) {
222 buffer = rdline_get_buffer(&cl->rdl);
223 history = rdline_get_history_item(&cl->rdl, 0);
225 histlen = strnlen(history, RDLINE_BUF_SIZE);
226 same = !memcmp(buffer, history, histlen) &&
227 buffer[histlen] == '\n';
231 buflen = strnlen(buffer, RDLINE_BUF_SIZE);
232 if (buflen > 1 && !same)
233 rdline_add_history(&cl->rdl, buffer);
234 rdline_newline(&cl->rdl, cl->prompt);
236 else if (ret == RDLINE_RES_EOF)
238 else if (ret == RDLINE_RES_EXITED)
245 cmdline_quit(struct cmdline *cl)
249 rdline_quit(&cl->rdl);
253 cmdline_poll(struct cmdline *cl)
262 else if (cl->rdl.status == RDLINE_EXITED)
263 return RDLINE_EXITED;
269 status = poll(&pfd, 1, 0);
272 else if (status > 0) {
274 read_status = read(cl->s_in, &c, 1);
278 status = cmdline_in(cl, &c, 1);
279 if (status < 0 && cl->rdl.status != RDLINE_EXITED)
283 return cl->rdl.status;
287 cmdline_interact(struct cmdline *cl)
296 if (read(cl->s_in, &c, 1) <= 0)
298 if (cmdline_in(cl, &c, 1) < 0)