X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;f=examples%2Fqos_sched%2Fcfg_file.c;h=d198de64204c8c7990dbdf24e56edcf5f7c8596f;hb=586a6fc6f33315ab2c03395b4d527cfefeca5790;hp=595e70b70b821aca410e99b49cfe0013c7a57ae4;hpb=db935d0171dda1e1ae1cc414da46d8a127e38197;p=dpdk.git diff --git a/examples/qos_sched/cfg_file.c b/examples/qos_sched/cfg_file.c index 595e70b70b..d198de6420 100644 --- a/examples/qos_sched/cfg_file.c +++ b/examples/qos_sched/cfg_file.c @@ -1,34 +1,5 @@ -/*- - * 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. +/* SPDX-License-Identifier: BSD-3-Clause + * Copyright(c) 2010-2014 Intel Corporation */ #include @@ -49,189 +20,6 @@ * for new entries do we add in */ #define CFG_ALLOC_ENTRY_BATCH 16 -static unsigned -_strip(char *str, unsigned len) -{ - int newlen = len; - if (len == 0) - return 0; - - if (isspace(str[len-1])) { - /* strip trailing whitespace */ - while (newlen > 0 && isspace(str[newlen - 1])) - str[--newlen] = '\0'; - } - - if (isspace(str[0])) { - /* strip leading whitespace */ - int i,start = 1; - while (isspace(str[start]) && start < newlen) - start++ - ; /* do nothing */ - newlen -= start; - for (i = 0; i < newlen; i++) - str[i] = str[i+start]; - str[i] = '\0'; - } - return newlen; -} - -struct cfg_file * -cfg_load(const char *filename, int flags) -{ - int allocated_sections = CFG_ALLOC_SECTION_BATCH; - int allocated_entries = 0; - int curr_section = -1; - int curr_entry = -1; - char buffer[256]; - int lineno = 0; - struct cfg_file *cfg = NULL; - - FILE *f = fopen(filename, "r"); - if (f == NULL) - return NULL; - - cfg = malloc(sizeof(*cfg) + sizeof(cfg->sections[0]) * allocated_sections); - if (cfg == NULL) - goto error2; - - memset(cfg->sections, 0, sizeof(cfg->sections[0]) * allocated_sections); - - while (fgets(buffer, sizeof(buffer), f) != NULL) { - char *pos = NULL; - size_t len = strnlen(buffer, sizeof(buffer)); - lineno++; - if (len >=sizeof(buffer) - 1 && buffer[len-1] != '\n'){ - printf("Error line %d - no \\n found on string. " - "Check if line too long\n", lineno); - goto error1; - } - if ((pos = memchr(buffer, ';', sizeof(buffer))) != NULL) { - *pos = '\0'; - len = pos - buffer; - } - - len = _strip(buffer, len); - if (buffer[0] != '[' && memchr(buffer, '=', len) == NULL) - continue; - - if (buffer[0] == '[') { - /* section heading line */ - char *end = memchr(buffer, ']', len); - if (end == NULL) { - printf("Error line %d - no terminating '[' found\n", lineno); - goto error1; - } - *end = '\0'; - _strip(&buffer[1], end - &buffer[1]); - - /* close off old section and add start new one */ - if (curr_section >= 0) - cfg->sections[curr_section]->num_entries = curr_entry + 1; - curr_section++; - - /* resize overall struct if we don't have room for more sections */ - if (curr_section == allocated_sections) { - allocated_sections += CFG_ALLOC_SECTION_BATCH; - struct cfg_file *n_cfg = realloc(cfg, sizeof(*cfg) + - sizeof(cfg->sections[0]) * allocated_sections); - if (n_cfg == NULL) { - printf("Error - no more memory\n"); - goto error1; - } - cfg = n_cfg; - } - - /* allocate space for new section */ - allocated_entries = CFG_ALLOC_ENTRY_BATCH; - curr_entry = -1; - cfg->sections[curr_section] = malloc(sizeof(*cfg->sections[0]) + - sizeof(cfg->sections[0]->entries[0]) * allocated_entries); - if (cfg->sections[curr_section] == NULL) { - printf("Error - no more memory\n"); - goto error1; - } - - snprintf(cfg->sections[curr_section]->name, - sizeof(cfg->sections[0]->name), - "%s", &buffer[1]); - } - else { - /* value line */ - if (curr_section < 0) { - printf("Error line %d - value outside of section\n", lineno); - goto error1; - } - - struct cfg_section *sect = cfg->sections[curr_section]; - char *split[2]; - if (rte_strsplit(buffer, sizeof(buffer), split, 2, '=') != 2) { - printf("Error at line %d - cannot split string\n", lineno); - goto error1; - } - - curr_entry++; - if (curr_entry == allocated_entries) { - allocated_entries += CFG_ALLOC_ENTRY_BATCH; - struct cfg_section *n_sect = realloc(sect, sizeof(*sect) + - sizeof(sect->entries[0]) * allocated_entries); - if (n_sect == NULL) { - printf("Error - no more memory\n"); - goto error1; - } - sect = cfg->sections[curr_section] = n_sect; - } - - sect->entries[curr_entry] = malloc(sizeof(*sect->entries[0])); - if (sect->entries[curr_entry] == NULL) { - printf("Error - no more memory\n"); - goto error1; - } - - struct cfg_entry *entry = sect->entries[curr_entry]; - snprintf(entry->name, sizeof(entry->name), "%s", split[0]); - snprintf(entry->value, sizeof(entry->value), "%s", split[1]); - _strip(entry->name, strnlen(entry->name, sizeof(entry->name))); - _strip(entry->value, strnlen(entry->value, sizeof(entry->value))); - } - } - fclose(f); - cfg->flags = flags; - cfg->sections[curr_section]->num_entries = curr_entry + 1; - cfg->num_sections = curr_section + 1; - return cfg; - -error1: - cfg_close(cfg); -error2: - fclose(f); - return NULL; -} - - -int cfg_close(struct cfg_file *cfg) -{ - int i, j; - - if (cfg == NULL) - return -1; - - for(i = 0; i < cfg->num_sections; i++) { - if (cfg->sections[i] != NULL) { - if (cfg->sections[i]->num_entries) { - for(j = 0; j < cfg->sections[i]->num_entries; j++) { - if (cfg->sections[i]->entries[j] != NULL) - free(cfg->sections[i]->entries[j]); - } - } - free(cfg->sections[i]); - } - } - free(cfg); - - return 0; -} - int cfg_load_port(struct rte_cfgfile *cfg, struct rte_sched_port_params *port_params) {