src_test/test_config2.c

   1 /*
   2  * test_w1.cc
   3  *
   4  *  Created on: Oct 20, 2010
   5  *      Author: lamikr
   6  */
   7 #include <string.h>
   8 #include <errno.h>
   9 #include <stdlib.h>
  10 #include <unistd.h>
  11 #include <uci.h>
  12
  13 #include "log.h"
  14 #include "config.h"
  15
  16 /*
  17 static int uci_do_add(int argc, char **argv)
  18 {
  19         struct uci_package *p = NULL;
  20         struct uci_section *s = NULL;
  21         int ret;
  22
  23         if (argc != 3)
  24                 return 255;
  25
  26         ret = uci_load(ctx, argv[1], &p);
  27         if (ret != UCI_OK)
  28                 goto done;
  29
  30         ret = uci_add_section(ctx, p, argv[2], &s);
  31         if (ret != UCI_OK)
  32                 goto done;
  33
  34         ret = uci_save(ctx, p);
  35
  36 done:
  37         if (ret != UCI_OK)
  38                 cli_perror();
  39         else if (s)
  40                 fprintf(stdout, "%s\n", s->e.name);
  41         return ret;
  42 }
  43 */
  44
  45 static int uci_create_named_section(struct uci_context *ctx, const char *conf_file_name, const char *section_type, const char *section_name)
  46 {
  47         struct uci_ptr          ptr;
  48         int                     ret_val;
  49         char                    *cmd_data;
  50         int                     len;
  51
  52         ret_val = -1;
  53         if ((ctx != NULL) &&
  54             (conf_file_name != NULL) &&
  55             (section_type != NULL) &&
  56             (section_name != NULL)) {
  57                 len             = strlen(conf_file_name);
  58                 len             = len + 1;
  59                 len             = len + strlen(section_type);
  60                 len             = len + 1;
  61                 len             = len + strlen(section_name);
  62                 len             = len + 1;
  63                 cmd_data        = malloc(len);
  64                 if (cmd_data != NULL) {
  65                         snprintf(cmd_data, len, "%s.%s=%s", conf_file_name, section_name, section_type);
  66                         if (uci_lookup_ptr(ctx, &ptr, cmd_data, true) == UCI_OK) {
  67                                 ret_val = uci_set(ctx, &ptr);
  68                                 if (ret_val == UCI_OK) {
  69                                 }
  70                         }
  71                         free(cmd_data);
  72                 }
  73         }
  74         return ret_val;
  75 }
  76
  77 bool set_config_value2(const char *conf_dir_name,
  78                         const char *conf_file_name,
  79                         const char *section_type,
  80                         const char *section_name,
  81                         const char *key,
  82                         const char *value) {
  83         struct uci_context      *ctx;
  84         struct uci_package      *pkg;
  85         struct uci_section      *sct;
  86         struct uci_section      *tmp_sct;
  87         int                     err_flg;
  88         char                    *fname;
  89         int                     b_count;
  90         struct uci_element      *elem;
  91         struct uci_ptr          ptr;
  92         FILE                    *fp;
  93         bool                    ret_val;
  94
  95         ret_val = false;
  96         if ((conf_dir_name != NULL) &&
  97             (conf_file_name != NULL) &&
  98             (section_type != NULL) &&
  99             (section_name != NULL) &&
 100             (key != NULL) &&
 101             (value != NULL)) {
 102                 b_count = strlen(conf_dir_name) + strlen(conf_file_name) + 10;
 103                 fname   = (char *)calloc(1, b_count);
 104                 if (fname != NULL) {
 105                         strncpy(fname, conf_dir_name, b_count);
 106                         strncat(fname, "/", 1);
 107                         strncat(fname, conf_file_name, strlen(conf_file_name) + 1);
 108                         ctx     = uci_alloc_context();
 109                         if (ctx != NULL) {
 110                                 sct     = NULL;
 111                                 uci_set_confdir(ctx, conf_dir_name);
 112                                 if (access(fname, W_OK) != 0) {
 113                                         if (access(fname, F_OK) != 0) {
 114                                                 fp      = fopen(fname, "w+");
 115                                                 fclose(fp);
 116                                         }
 117                                 }
 118                                 if (access(fname, W_OK) == 0) {
 119                                         err_flg = uci_load(ctx, fname, &pkg);
 120                                         uci_foreach_element(&pkg->sections, elem) {
 121                                                 tmp_sct = uci_to_section(elem);
 122                                                 if (strcmp(tmp_sct->type, section_type) == 0) {
 123                                                         sct     = tmp_sct;
 124                                                         break;
 125                                                 }
 126                                         }
 127                                         if (sct == NULL) {
 128                                                 //err_flg       = uci_add_named_section(ctx, pkg, section_type, section_name, &sct);
 129                                                 //err_flg       = uci_add_section(ctx, pkg, section_name, &sct);
 130                                                 err_flg = uci_create_named_section(ctx, conf_file_name, section_type, section_name);
 131                                                 if (err_flg == UCI_OK) {
 132                                                         uci_foreach_element(&pkg->sections, elem) {
 133                                                                 tmp_sct = uci_to_section(elem);
 134                                                                 if (strcmp(tmp_sct->type, section_type) == 0) {
 135                                                                         sct     = tmp_sct;
 136                                                                         break;
 137                                                                 }
 138                                                         }
 139                                                 }
 140                                         }
 141                                         if (err_flg == 0) {
 142                                                 memset(&ptr, 0, sizeof(ptr));
 143                                                 ptr.package     = pkg->e.name;
 144                                                 ptr.section     = sct->e.name;
 145                                                 ptr.option      = key;
 146
 147                                                 if (uci_lookup_ptr(ctx, &ptr, NULL, false) == UCI_OK) {
 148                                                         ptr.value       = value;
 149                                                         uci_set(ctx, &ptr);
 150                                                         uci_save(ctx, pkg);
 151                                                         ret_val = true;
 152                                                         log_debug("Created configuration section %s to configuration file: %s\n", section_name, fname);
 153                                                 }
 154                                                 else {
 155                                                         log_error("Could not write to configuration file: %s\n. Could not look-up pointer for package %s section %s.\n", fname, pkg->e.name, sct->e.name);
 156                                                 }
 157                                                 uci_free_context(ctx);
 158                                         }
 159                                         else {
 160                                                 log_error("Could not write to configuration file: %s\n. Could not create section %s.\n", fname, section_name);
 161                                         }
 162                                 }
 163                                 else {
 164                                         log_error("Could not write to configuration file: %s. File does not exist or is not writable.\n", fname);
 165                                 }
 166                         }
 167                         free(fname);
 168                 }
 169                 else {
 170                         log_error("Could not change config value, out of memory\n");
 171                 }
 172         }
 173         else {
 174                 log_error("Could not change config value, invalid parameters\n");
 175         }
 176         return ret_val;
 177 }
 178
 179 void test_config() {
 180         char work_dir[FILENAME_MAX];
 181
 182         getcwd(work_dir, sizeof(work_dir));
 183         printf("working directory: %s\n", work_dir);
 184
 185         set_config_value2(work_dir,
 186                         "dev_cfg_txt",
 187                         "mysection_type",
 188                         "mysection_name",
 189                         "myoption_name",
 190                         "my_option_value");
 191         set_config_value2(work_dir,
 192                         "dev_cfg_txt",
 193                         "mysection_type",
 194                         "mysection_name",
 195                         "myoption_name",
 196                         "my_option_value2");
 197 }
 198
 199 int main(int argc, char** argv) {
 200         test_config();
 201         return 0;
 202 }