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Diffstat (limited to 'examples/cmdline/parse_obj_list.c')
| -rw-r--r-- | examples/cmdline/parse_obj_list.c | 166 |
1 files changed, 166 insertions, 0 deletions
diff --git a/examples/cmdline/parse_obj_list.c b/examples/cmdline/parse_obj_list.c new file mode 100644 index 00000000..cdbaf2fe --- /dev/null +++ b/examples/cmdline/parse_obj_list.c @@ -0,0 +1,166 @@ +/*- + * BSD LICENSE + * + * Copyright(c) 2010-2014 Intel Corporation. All rights reserved. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * * Neither the name of Intel Corporation nor the names of its + * contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +/* + * Copyright (c) 2009, Olivier MATZ <zer0@droids-corp.org> + * All rights reserved. + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are met: + * + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * * Neither the name of the University of California, Berkeley nor the + * names of its contributors may be used to endorse or promote products + * derived from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND ANY + * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED + * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE + * DISCLAIMED. IN NO EVENT SHALL THE REGENTS AND CONTRIBUTORS BE LIABLE FOR ANY + * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES + * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; + * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND + * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#include <stdio.h> +#include <inttypes.h> +#include <stdarg.h> +#include <errno.h> +#include <ctype.h> +#include <string.h> +#include <netinet/in.h> + +#include <cmdline_parse.h> +#include <cmdline_parse_ipaddr.h> + +#include <rte_string_fns.h> + +#include "parse_obj_list.h" + +/* This file is an example of extension of libcmdline. It provides an + * example of objects stored in a list. */ + +struct cmdline_token_ops token_obj_list_ops = { + .parse = parse_obj_list, + .complete_get_nb = complete_get_nb_obj_list, + .complete_get_elt = complete_get_elt_obj_list, + .get_help = get_help_obj_list, +}; + +int +parse_obj_list(cmdline_parse_token_hdr_t *tk, const char *buf, void *res, + unsigned ressize) +{ + struct token_obj_list *tk2 = (struct token_obj_list *)tk; + struct token_obj_list_data *tkd = &tk2->obj_list_data; + struct object *o; + unsigned int token_len = 0; + + if (*buf == 0) + return -1; + + if (res && ressize < sizeof(struct object *)) + return -1; + + while(!cmdline_isendoftoken(buf[token_len])) + token_len++; + + SLIST_FOREACH(o, tkd->list, next) { + if (token_len != strnlen(o->name, OBJ_NAME_LEN_MAX)) + continue; + if (strncmp(buf, o->name, token_len)) + continue; + break; + } + if (!o) /* not found */ + return -1; + + /* store the address of object in structure */ + if (res) + *(struct object **)res = o; + + return token_len; +} + +int complete_get_nb_obj_list(cmdline_parse_token_hdr_t *tk) +{ + struct token_obj_list *tk2 = (struct token_obj_list *)tk; + struct token_obj_list_data *tkd = &tk2->obj_list_data; + struct object *o; + int ret = 0; + + SLIST_FOREACH(o, tkd->list, next) { + ret ++; + } + return ret; +} + +int complete_get_elt_obj_list(cmdline_parse_token_hdr_t *tk, + int idx, char *dstbuf, unsigned int size) +{ + struct token_obj_list *tk2 = (struct token_obj_list *)tk; + struct token_obj_list_data *tkd = &tk2->obj_list_data; + struct object *o; + int i = 0; + unsigned len; + + SLIST_FOREACH(o, tkd->list, next) { + if (i++ == idx) + break; + } + if (!o) + return -1; + + len = strnlen(o->name, OBJ_NAME_LEN_MAX); + if ((len + 1) > size) + return -1; + + if (dstbuf) + snprintf(dstbuf, size, "%s", o->name); + + return 0; +} + + +int get_help_obj_list(__attribute__((unused)) cmdline_parse_token_hdr_t *tk, + char *dstbuf, unsigned int size) +{ + snprintf(dstbuf, size, "Obj-List"); + return 0; +} |