ntsimulator/ntsim-ng/core/framework.c

   1 /*************************************************************************
   2 *
   3 * Copyright 2020 highstreet technologies GmbH and others
   4 *
   5 * Licensed under the Apache License, Version 2.0 (the "License");
   6 * you may not use this file except in compliance with the License.
   7 * You may obtain a copy of the License at
   8 *
   9 *     http://www.apache.org/licenses/LICENSE-2.0
  10 *
  11 * Unless required by applicable law or agreed to in writing, software
  12 * distributed under the License is distributed on an "AS IS" BASIS,
  13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  14 * See the License for the specific language governing permissions and
  15 * limitations under the License.
  16 ***************************************************************************/
  17
  18 #define _GNU_SOURCE
  19
  20 #include "framework.h"
  21 #include <string.h>
  22 #include <stdlib.h>
  23 #include <stdio.h>
  24 #include <unistd.h>
  25 #include <limits.h>
  26 #include <assert.h>
  27 #include <sys/types.h>
  28 #include <sys/stat.h>
  29 #include <cjson/cJSON.h>
  30
  31 #include "utils/sys_utils.h"
  32 #include "utils/log_utils.h"
  33 #include "utils/rand_utils.h"
  34
  35 framework_arguments_t framework_arguments;
  36 framework_environment_t framework_environment;
  37 framework_config_t framework_config;
  38
  39 const char *argp_program_version = 0;    //is set later
  40 const char *argp_program_bug_address = "<alexandru.stancu@highstreet-technologies.com> / <adrian.lita@highstreet-technologies.com>";
  41 static char doc[] = "ntsim - new generation";
  42
  43 static struct argp_option options[] = {
  44     { "container-init", 'i', 0, 0, "Runs initialization tasks for the Docker container that's being built. Do not run manually." },
  45     { "supervisor", 's', 0, 0, "Run as supervisor; manager/network-function is chosen via config.json"},
  46     { "manager", 'm', 0, 0, "Run the daemon as manager." },
  47     { "network-function", 'f', 0, 0, "Run the daemon as network function." },
  48     { "blank", 'b', 0, 0, "Run the deamon as a blank network function." },
  49     { "test-mode", 't', 0, 0, "Test mode." },
  50
  51     // tools
  52     { "ls", '1', 0, 0, "Print all available root paths." },
  53     { "schema", '2', "XPATH", 0, "Print schema for XPATH." },
  54
  55     { "fixed-rand", 'r', "SEED", 0, "Initialize RAND seed to a fixed value (for debugging purposes)." },
  56     { "verbose", 'v', "LEVEL", 0, "Verbosity level for printing to stdout (logs will still save everything). LEVEL is: 0=errors only, 1=requested info(default), 2=info" },
  57     { "workspace", 'w', "PATH", 0, "Initialize workspace to a different one than the current working directory." },
  58     { 0 }
  59 };
  60
  61 volatile sig_atomic_t framework_sigint;
  62
  63 static int framework_env_init(void);
  64 static int framework_config_init(void);
  65
  66 static void framework_signal_handler(int signo);
  67 static error_t parse_opt(int key, char *arg, struct argp_state *state);
  68
  69 int framework_init(int argc, char **argv) {
  70     //environment vars
  71     framework_environment.nts.version = (getenv(ENV_VAR_NTS_BUILD_VERSION) && strlen(getenv(ENV_VAR_NTS_BUILD_VERSION))) ? strdup(getenv(ENV_VAR_NTS_BUILD_VERSION)) : strdup(NTS_VERSION_FALLBACK"!");
  72     if(getenv(ENV_VAR_NTS_BUILD_TIME) && strlen(getenv(ENV_VAR_NTS_BUILD_TIME))) {
  73         framework_environment.nts.build_time = strdup(getenv(ENV_VAR_NTS_BUILD_TIME));
  74     }
  75     else {
  76         if(__DATE__[0] == '?') {
  77             framework_environment.nts.build_time = strdup("1970-01-01T00:00:00Z");
  78         }
  79         else {
  80             //01234567890
  81             //May  4 2021
  82             int year = 0;
  83             int month = 1;
  84             int day = 0;
  85
  86             year = (__DATE__[10] - '0') + (__DATE__[9] - '0')*10 + (__DATE__[8] - '0')*100 + (__DATE__[7] - '0')*1000;
  87             day = (__DATE__[5] - '0');
  88             if(__DATE__[4] != ' ') {
  89                 day += (__DATE__[4] - '0')*10;
  90             }
  91
  92             switch(__DATE__[0]) {
  93                 case 'J':
  94                     switch(__DATE__[1]) {
  95                         case 'a':
  96                             month = 1;
  97                             break;
  98
  99                         case 'u':
 100                             if(__DATE__[2] == 'n') {
 101                                 month = 6;
 102                             }
 103                             else {
 104                                 month = 7;
 105                             }
 106                             break;
 107                     }
 108                     break;
 109
 110                 case 'F':
 111                     month = 2;
 112                     break;
 113
 114                 case 'M':
 115                     switch(__DATE__[2]) {
 116                         case 'r':
 117                             month = 3;
 118                             break;
 119
 120                         case 'y':
 121                             month = 5;
 122                             break;
 123                     }
 124                     break;
 125
 126                 case 'A':
 127                     switch(__DATE__[1]) {
 128                         case 'p':
 129                             month = 4;
 130                             break;
 131
 132                         case 'u':
 133                             month = 8;
 134                             break;
 135                     }
 136                     break;
 137
 138                 case 'S':
 139                     month = 9;
 140                     break;
 141
 142                 case 'O':
 143                     month = 10;
 144                     break;
 145
 146                 case 'N':
 147                     month = 11;
 148                     break;
 149
 150                 case 'D':
 151                     month = 12;
 152                     break;
 153             }
 154
 155             asprintf(&framework_environment.nts.build_time, "%04d-%02d-%02dT%sZ", year, month, day, __TIME__);
 156         }
 157     }
 158
 159     //set argp_version
 160     char *version = 0;
 161     asprintf(&version, "ntsim-ng v%s build %s", framework_environment.nts.version, framework_environment.nts.build_time);
 162     argp_program_version = version;
 163
 164     //initialize app arguments
 165     framework_arguments.nts_mode = NTS_MODE_DEFAULT;
 166
 167     framework_arguments.argc = argc;
 168     framework_arguments.argv = argv;
 169
 170     framework_arguments.no_rand = false;
 171     framework_arguments.fixed_seed = 0;
 172     framework_arguments.verbosity_level = 1;
 173
 174     framework_arguments.print_root_paths = false;
 175     framework_arguments.print_structure_xpath = 0;
 176
 177     //parse provided command line arguments
 178     struct argp argp = { options, parse_opt, 0, doc, 0, 0, 0 };
 179     argp_parse(&argp, argc, argv, 0, 0, &framework_arguments);
 180
 181     //manage signals
 182     framework_sigint = 0;
 183     signal(SIGINT, framework_signal_handler);
 184     signal(SIGTERM, framework_signal_handler);
 185     signal(SIGQUIT, framework_signal_handler);
 186
 187     //disable buffering for stdout
 188     setbuf(stdout, NULL);
 189
 190     //init logging subsystem
 191     char *log_file = 0;
 192     char *stderr_file = 0;
 193
 194     if(!dir_exists("log")) {
 195         mkdir("log", 0777);
 196     }
 197
 198     switch(framework_arguments.nts_mode) {
 199         case NTS_MODE_CONTAINER_INIT:
 200             log_file = "log/log-install.txt";
 201             stderr_file = "log/stderr-install.txt";
 202             break;
 203
 204         case NTS_MODE_BLANK:
 205             log_file = "log/log-blank.txt";
 206             stderr_file = "log/stderr-blank.txt";
 207             break;
 208
 209         case NTS_MODE_SUPERVISOR:
 210             log_file = "log/log-supervisor.txt";
 211             stderr_file = "log/stderr-supervisor.txt";
 212             break;
 213
 214         default:
 215             log_file = "log/log.txt";
 216             stderr_file = "log/stderr.txt";
 217             break;
 218     }
 219
 220     log_init(log_file);
 221     log_redirect_stderr(stderr_file);
 222
 223     char cwd[PATH_MAX];
 224     getcwd(cwd, sizeof(cwd));
 225     log_add_verbose(2, "[framework] current working dir is: %s\n", cwd);
 226
 227     //init rand generator if needed
 228     if(framework_arguments.no_rand == false) {
 229         rand_init();
 230     }
 231     else {
 232         rand_init_fixed(framework_arguments.fixed_seed);
 233     }
 234
 235     log_add_verbose(2, "[framework] app was called: ");
 236     for(int i = 0; i < argc; i++) {
 237         log_add(2, "%s ", argv[i]);
 238     }
 239     log_add(2, "\n");
 240
 241     if(framework_env_init() != NTS_ERR_OK) {
 242         log_error("[framework] framework_env_init() failed\n");
 243         return NTS_ERR_FAILED;
 244     }
 245
 246     if(framework_config_init() != NTS_ERR_OK) {
 247         log_error("[framework] framework_config_init() failed\n");
 248         return NTS_ERR_FAILED;
 249     }
 250
 251     log_add_verbose(2, "[framework] init complete\n");
 252     return NTS_ERR_OK;
 253 }
 254
 255 static int framework_env_init(void) {
 256     log_add_verbose(2, "[framework-env] started\n");
 257
 258     /*
 259     The following env vars are taken care of by framework_init()
 260         framework_environment.nts.version
 261         framework_environment.nts.build_time
 262     */
 263
 264     framework_environment.nts.manual = getenv(ENV_VAR_NTS_MANUAL) ? true : false;
 265     framework_environment.nts.function_type = getenv(ENV_VAR_NTS_FUNCTION_TYPE) ? strdup(getenv(ENV_VAR_NTS_FUNCTION_TYPE)) : strdup("");
 266     framework_environment.nts.nf_standalone_start_features = getenv(ENV_VAR_NTS_NF_STANDALONE_START_FEATURES) ? strdup(getenv(ENV_VAR_NTS_NF_STANDALONE_START_FEATURES)) : strdup("");
 267     framework_environment.nts.nf_mount_point_addressing_method = getenv(ENV_VAR_NTS_NF_MOUNT_POINT_ADDRESSING_METHOD) ? strdup(getenv(ENV_VAR_NTS_NF_MOUNT_POINT_ADDRESSING_METHOD)) : strdup("docker-mapping");
 268
 269     framework_environment.settings.docker_repository = getenv(ENV_VAR_DOCKER_REPOSITORY) ? strdup(getenv(ENV_VAR_DOCKER_REPOSITORY)) : strdup("");
 270     if(strlen(framework_environment.settings.docker_repository)) {
 271         if(framework_environment.settings.docker_repository[strlen(framework_environment.settings.docker_repository) - 1] == '/') {
 272             framework_environment.settings.docker_repository[strlen(framework_environment.settings.docker_repository) - 1] = 0;
 273         }
 274     }
 275     framework_environment.settings.docker_engine_version = getenv(ENV_VAR_DOCKER_ENGINE_VERSION) ? strdup(getenv(ENV_VAR_DOCKER_ENGINE_VERSION)) : strdup("1.40");
 276     framework_environment.settings.hostname = getenv(ENV_VAR_HOSTNAME) ? strdup(getenv(ENV_VAR_HOSTNAME)) : strdup("localhost");
 277
 278     bool ip_ok = get_local_ips("eth0", &framework_environment.settings.ip_v4, &framework_environment.settings.ip_v6);
 279     if(!ip_ok) {
 280         log_error("[framework-env] could not get local IP addresses\n");
 281     }
 282
 283     char *ipv6_env_var = getenv(ENV_VAR_IPV6ENABLED);
 284     if(ipv6_env_var == 0) {
 285         log_error("[framework-env] could not get the IPv6 Enabled env variable\n");
 286     }
 287     framework_environment.settings.ip_v6_enabled = (strcmp(ipv6_env_var, "true") == 0) ? true : false;
 288     framework_environment.settings.ssh_connections = get_int_from_string_with_default(getenv(ENV_VAR_SSH_CONNECTIONS), 1);
 289     framework_environment.settings.tls_connections = get_int_from_string_with_default(getenv(ENV_VAR_TLS_CONNECTIONS), 0);
 290     framework_environment.settings.ftp_connections = 1;
 291     framework_environment.settings.sftp_connections = 1;
 292
 293     //build version and build time are set in the begining of the function
 294     framework_environment.host.ip = getenv(ENV_VAR_HOST_IP) ? strdup(getenv(ENV_VAR_HOST_IP)) : strdup("127.0.0.1");
 295     framework_environment.host.base_port = get_int_from_string_with_default(getenv(ENV_VAR_HOST_BASE_PORT), 1000);
 296     framework_environment.host.ssh_base_port = get_int_from_string_with_default(getenv(ENV_VAR_HOST_NETCONF_SSH_BASE_PORT), 0);
 297     framework_environment.host.tls_base_port = get_int_from_string_with_default(getenv(ENV_VAR_HOST_NETCONF_TLS_BASE_PORT), 0);
 298     framework_environment.host.ftp_base_port = get_int_from_string_with_default(getenv(ENV_VAR_HOST_TRANSFER_FTP_BASE_PORT), 0);
 299     framework_environment.host.sftp_base_port = get_int_from_string_with_default(getenv(ENV_VAR_HOST_TRANSFER_SFTP_BASE_PORT), 0);
 300
 301     framework_environment.sdn_controller.protocol = getenv(ENV_VAR_SDN_CONTROLLER_IP) ? strdup(getenv(ENV_VAR_SDN_CONTROLLER_PROTOCOL)) : strdup("https");
 302     framework_environment.sdn_controller.ip = getenv(ENV_VAR_SDN_CONTROLLER_IP) ? strdup(getenv(ENV_VAR_SDN_CONTROLLER_IP)) : strdup("127.0.0.1");
 303     framework_environment.sdn_controller.port = get_int_from_string_with_default(getenv(ENV_VAR_SDN_CONTROLLER_PORT), 8181);
 304     framework_environment.sdn_controller.callhome_ip = getenv(ENV_VAR_SDN_CONTROLLER_CALLHOME_IP) ? strdup(getenv(ENV_VAR_SDN_CONTROLLER_CALLHOME_IP)) : strdup("127.0.0.1");
 305     framework_environment.sdn_controller.callhome_port = get_int_from_string_with_default(getenv(ENV_VAR_SDN_CONTROLLER_CALLHOME_PORT), 6666);
 306     framework_environment.sdn_controller.username = getenv(ENV_VAR_SDN_CONTROLLER_USERNAME) ? strdup(getenv(ENV_VAR_SDN_CONTROLLER_USERNAME)) : strdup("admin");
 307     framework_environment.sdn_controller.password = getenv(ENV_VAR_SDN_CONTROLLER_PASSWORD) ? strdup(getenv(ENV_VAR_SDN_CONTROLLER_PASSWORD)) : strdup("admin");
 308     framework_environment.sdn_controller.port_absent = (getenv(ENV_VAR_SDN_CONTROLLER_PORT) == 0) ? true : false;
 309
 310     framework_environment.ves_endpoint.common_header_version = getenv(ENV_VAR_VES_COMMON_HEADER_VERSION) ? strdup(getenv(ENV_VAR_VES_COMMON_HEADER_VERSION)) : strdup("7.2");
 311     framework_environment.ves_endpoint.protocol = getenv(ENV_VAR_VES_ENDPOINT_PROTOCOL) ? strdup(getenv(ENV_VAR_VES_ENDPOINT_PROTOCOL)) : strdup("https");
 312     framework_environment.ves_endpoint.ip = getenv(ENV_VAR_VES_ENDPOINT_IP) ? strdup(getenv(ENV_VAR_VES_ENDPOINT_IP)) : strdup("127.0.0.1");
 313     framework_environment.ves_endpoint.port = get_int_from_string_with_default(getenv(ENV_VAR_VES_ENDPOINT_PORT), 1234);
 314     framework_environment.ves_endpoint.auth_method = getenv(ENV_VAR_VES_ENDPOINT_AUTH_METHOD) ? strdup(getenv(ENV_VAR_VES_ENDPOINT_AUTH_METHOD)) : strdup("no-auth");
 315     framework_environment.ves_endpoint.username = getenv(ENV_VAR_VES_ENDPOINT_USERNAME) ? strdup(getenv(ENV_VAR_VES_ENDPOINT_USERNAME)) : strdup("admin");
 316     framework_environment.ves_endpoint.password = getenv(ENV_VAR_VES_ENDPOINT_PASSWORD) ? strdup(getenv(ENV_VAR_VES_ENDPOINT_PASSWORD)) : strdup("admin");
 317     framework_environment.ves_endpoint.certificate = getenv(ENV_VAR_VES_ENDPOINT_CERTIFICATE) ? strdup(getenv(ENV_VAR_VES_ENDPOINT_CERTIFICATE)) : strdup("");
 318     framework_environment.ves_endpoint.port_absent = (getenv(ENV_VAR_VES_ENDPOINT_PORT) == 0) ? true : false;
 319
 320     log_add_verbose(2, "[framework-env] nts.manual = %d\n", framework_environment.nts.manual);
 321     log_add_verbose(2, "[framework-env] nts.version = %s\n", framework_environment.nts.version);
 322     log_add_verbose(2, "[framework-env] nts.build_time = %s\n", framework_environment.nts.build_time);
 323     log_add_verbose(2, "[framework-env] nts.function_type = %s\n", framework_environment.nts.function_type);
 324     log_add_verbose(2, "[framework-env] nts.nf_standalone_start_features = %s\n", framework_environment.nts.nf_standalone_start_features);
 325     log_add_verbose(2, "[framework-env] nts.nf_mount_point_addressing_method = %s\n", framework_environment.nts.nf_mount_point_addressing_method);
 326
 327     log_add_verbose(2, "[framework-env] settings.docker_engine_version = %s\n", framework_environment.settings.docker_engine_version);
 328     log_add_verbose(2, "[framework-env] settings.docker_repository = %s\n", framework_environment.settings.docker_repository);
 329     log_add_verbose(2, "[framework-env] settings.hostname = %s\n", framework_environment.settings.hostname);
 330     log_add_verbose(2, "[framework-env] settings.ip_v4 = %s\n", framework_environment.settings.ip_v4);
 331     log_add_verbose(2, "[framework-env] settings.ip_v6 = %s\n", framework_environment.settings.ip_v6);
 332     log_add_verbose(2, "[framework-env] settings.ip_v6_enabled = %s\n", framework_environment.settings.ip_v6_enabled ? "true" : "false");
 333     log_add_verbose(2, "[framework-env] settings.ssh_connections = %d\n", framework_environment.settings.ssh_connections);
 334     log_add_verbose(2, "[framework-env] settings.tls_connections = %d\n", framework_environment.settings.tls_connections);
 335     log_add_verbose(2, "[framework-env] settings.ftp_connections = %d\n", framework_environment.settings.ftp_connections);
 336     log_add_verbose(2, "[framework-env] settings.sftp_connections = %d\n", framework_environment.settings.sftp_connections);
 337
 338     //check ports
 339     if(framework_environment.host.base_port < 1000) {
 340         log_add_verbose(2, "[framework-env] host.base_port < 1000 -> disabling\n");
 341         framework_environment.host.base_port = 0;
 342     }
 343
 344     if(framework_environment.host.ssh_base_port < 1000) {
 345         log_add_verbose(2, "[framework-env] host.ssh_base_port < 1000 -> using base_port\n");
 346         framework_environment.host.ssh_base_port = framework_environment.host.base_port;
 347     }
 348
 349     if(framework_environment.host.tls_base_port < 1000) {
 350         log_add_verbose(2, "[framework-env] host.tls_base_port < 1000 -> using base_port\n");
 351         framework_environment.host.tls_base_port = framework_environment.host.base_port;
 352     }
 353
 354     if(framework_environment.host.ftp_base_port < 1000) {
 355         log_add_verbose(2, "[framework-env] host.ftp_base_port < 1000 -> using base_port\n");
 356         framework_environment.host.ftp_base_port = framework_environment.host.base_port;
 357     }
 358
 359     if(framework_environment.host.sftp_base_port < 1000) {
 360         log_add_verbose(2, "[framework-env] host.sftp_base_port < 1000 -> using base_port\n");
 361         framework_environment.host.sftp_base_port = framework_environment.host.base_port;
 362     }
 363
 364     if(framework_environment.host.base_port == 0) {
 365         if(framework_environment.host.ssh_base_port == 0) {
 366             log_error("[framework-env] host.ssh_base_port unknown\n");
 367             return NTS_ERR_FAILED;
 368         }
 369
 370         if(framework_environment.host.tls_base_port == 0) {
 371             log_error("[framework-env] host.tls_base_port unknown\n");
 372             return NTS_ERR_FAILED;
 373         }
 374
 375         if(framework_environment.host.ftp_base_port == 0) {
 376             log_error("[framework-env] host.ftp_base_port unknown\n");
 377             return NTS_ERR_FAILED;
 378         }
 379
 380         if(framework_environment.host.sftp_base_port == 0) {
 381             log_error("[framework-env] host.sftp_base_port unknown\n");
 382             return NTS_ERR_FAILED;
 383         }
 384     }
 385
 386     log_add_verbose(2, "[framework-env] host.ip = %s\n", framework_environment.host.ip);
 387     if(framework_environment.settings.ip_v6_enabled) {
 388         if(strstr(framework_environment.host.ip, ".")) {
 389             log_error("[framework-env] host.ip is an invalid IP v6\n");
 390             return NTS_ERR_FAILED;
 391         }
 392     }
 393     else {
 394         if(strstr(framework_environment.host.ip, ":")) {
 395             log_error("[framework-env] host.ip is an invalid IP v4\n");
 396             return NTS_ERR_FAILED;
 397         }
 398     }
 399
 400     log_add_verbose(2, "[framework-env] host.base_port = %d\n", framework_environment.host.base_port);
 401     log_add_verbose(2, "[framework-env] host.ssh_base_port = %d\n", framework_environment.host.ssh_base_port);
 402     log_add_verbose(2, "[framework-env] host.tls_base_port = %d\n", framework_environment.host.tls_base_port);
 403     log_add_verbose(2, "[framework-env] host.ftp_base_port = %d\n", framework_environment.host.ftp_base_port);
 404     log_add_verbose(2, "[framework-env] host.sftp_base_port = %d\n", framework_environment.host.sftp_base_port);
 405
 406     log_add_verbose(2, "[framework-env] sdn_controller.protocol = %s\n", framework_environment.sdn_controller.protocol);
 407     log_add_verbose(2, "[framework-env] sdn_controller.ip = %s\n", framework_environment.sdn_controller.ip);
 408     log_add_verbose(2, "[framework-env] sdn_controller.port = %d\n", framework_environment.sdn_controller.port);
 409     log_add_verbose(2, "[framework-env] sdn_controller.callhome_ip = %s\n", framework_environment.sdn_controller.callhome_ip);
 410     log_add_verbose(2, "[framework-env] sdn_controller.callhome_port = %d\n", framework_environment.sdn_controller.callhome_port);
 411     log_add_verbose(2, "[framework-env] sdn_controller.username = %s\n", framework_environment.sdn_controller.username);
 412     log_add_verbose(2, "[framework-env] sdn_controller.password = %s\n", framework_environment.sdn_controller.password);
 413     log_add_verbose(2, "[framework-env] sdn_controller.port_absent = %d\n", framework_environment.sdn_controller.port_absent);
 414
 415     log_add_verbose(2, "[framework-env] ves_endpoint.common_header_version = %s\n", framework_environment.ves_endpoint.common_header_version);
 416     log_add_verbose(2, "[framework-env] ves_endpoint.protocol = %s\n", framework_environment.ves_endpoint.protocol);
 417     log_add_verbose(2, "[framework-env] ves_endpoint.ip = %s\n", framework_environment.ves_endpoint.ip);
 418     log_add_verbose(2, "[framework-env] ves_endpoint.port = %d\n", framework_environment.ves_endpoint.port);
 419     log_add_verbose(2, "[framework-env] ves_endpoint.auth_method = %s\n", framework_environment.ves_endpoint.auth_method);
 420     log_add_verbose(2, "[framework-env] ves_endpoint.username = %s\n", framework_environment.ves_endpoint.username);
 421     log_add_verbose(2, "[framework-env] ves_endpoint.password = %s\n", framework_environment.ves_endpoint.password);
 422     log_add_verbose(2, "[framework-env] ves_endpoint.certificate = %s\n", framework_environment.ves_endpoint.certificate);
 423     log_add_verbose(2, "[framework-env] ves_endpoint.port_absent = %d\n", framework_environment.ves_endpoint.port_absent);
 424
 425     log_add_verbose(2, "[framework-env] finished\n");
 426     return NTS_ERR_OK;
 427 }
 428
 429 static int framework_config_init(void) {
 430     log_add_verbose(2, "[framework-config] started\n");
 431
 432     //init app config
 433     framework_config.docker.excluded_modules = 0;
 434     framework_config.docker.excluded_modules_count = 0;
 435     framework_config.docker.excluded_features = 0;
 436     framework_config.docker.excluded_features_count = 0;
 437
 438     framework_config.supervisor.rules_count = 0;
 439     framework_config.supervisor.rules = 0;
 440
 441     framework_config.datastore_generate.debug_max_string_size = 0;
 442     framework_config.datastore_generate.excluded_modules = 0;
 443     framework_config.datastore_generate.excluded_modules_count = 0;
 444     framework_config.datastore_generate.default_list_instances = 1;
 445     framework_config.datastore_generate.custom_list_instances_count = 0;
 446     framework_config.datastore_generate.custom_list_instances = 0;
 447     framework_config.datastore_generate.restrict_schema_count = 0;
 448     framework_config.datastore_generate.restrict_schema = 0;
 449
 450     framework_config.datastore_populate.random_generation_enabled = 1;
 451     framework_config.datastore_populate.preg_operational_count = 0;
 452     framework_config.datastore_populate.preg_operational = 0;
 453     framework_config.datastore_populate.preg_running_count = 0;
 454     framework_config.datastore_populate.preg_running = 0;
 455
 456     //config init
 457     char *config_file = "config/config.json";
 458     if(file_exists("/opt/dev/config/config.json")) {
 459         config_file = "/opt/dev/config/config.json";
 460         log_add_verbose(1, LOG_COLOR_BOLD_MAGENTA"config.json is loaded from external volume!\n"LOG_COLOR_RESET);
 461     }
 462     else {
 463         if(!dir_exists("config")) {
 464             log_add_verbose(2, "[framework-config] config/ folder wasn't found; created.\n");
 465             mkdir("config", 0777);
 466         }
 467
 468         if(!file_exists("config/config.json")) {
 469             log_add_verbose(2, "[framework-config] config.json file missing; created.\n");
 470             file_touch("config/config.json", "{}");
 471         }
 472     }
 473
 474     log_add_verbose(2, "[framework-config] parsing config.json from %s\n", config_file);
 475     char *config_contents = file_read_content(config_file);
 476     cJSON *json = cJSON_Parse(config_contents);
 477     free(config_contents);
 478     if(!json) {
 479         log_error("[framework-config] config.json error: %s\n", cJSON_GetErrorPtr());
 480     }
 481     else {
 482         cJSON *main_node;
 483         cJSON *node;
 484
 485         if(framework_arguments.nts_mode == NTS_MODE_CONTAINER_INIT) {
 486             main_node = cJSON_GetObjectItem(json, "container-rules");
 487             if(main_node) {
 488                 node = cJSON_GetObjectItem(main_node, "excluded-modules");
 489                 if(node) {
 490                     if(cJSON_IsArray(node)) {
 491                         cJSON *element;
 492                         cJSON_ArrayForEach(element, node) {
 493                             if(cJSON_IsString(element)) {
 494                                 log_add_verbose(2, "[framework-config] adding container-rules/exclude-modules: %s\n", element->valuestring);
 495                                 framework_config.docker.excluded_modules = (char **)realloc(framework_config.docker.excluded_modules, sizeof(char*) * (framework_config.docker.excluded_modules_count + 1));
 496                                 if(!framework_config.docker.excluded_modules) {
 497                                     log_error("[framework-config] bad realloc\n");
 498                                 }
 499                                 framework_config.docker.excluded_modules[framework_config.docker.excluded_modules_count] = (char *)malloc(sizeof(char) * (strlen(element->valuestring) + 1));
 500                                 if(!framework_config.docker.excluded_modules[framework_config.docker.excluded_modules_count]) {
 501                                     log_error("[framework-config] bad malloc\n");
 502                                 }
 503                                 strcpy(framework_config.docker.excluded_modules[framework_config.docker.excluded_modules_count], element->valuestring);
 504                                 framework_config.docker.excluded_modules_count++;
 505                             }
 506                         }
 507                     }
 508                 }
 509
 510                 node = cJSON_GetObjectItem(main_node, "excluded-features");
 511                 if(node) {
 512                     if(cJSON_IsArray(node)) {
 513                         cJSON *element;
 514                         cJSON_ArrayForEach(element, node) {
 515                             if(cJSON_IsString(element)) {
 516                                 log_add_verbose(2, "[framework-config] adding container-rules/excluded-features: %s\n", element->valuestring);
 517                                 framework_config.docker.excluded_features = (char **)realloc(framework_config.docker.excluded_features, sizeof(char*) * (framework_config.docker.excluded_features_count + 1));
 518                                 if(!framework_config.docker.excluded_features) {
 519                                     log_error("[framework-config] bad realloc\n");
 520                                 }
 521                                 framework_config.docker.excluded_features[framework_config.docker.excluded_features_count] = (char *)malloc(sizeof(char) * (strlen(element->valuestring) + 1));
 522                                 if(!framework_config.docker.excluded_features[framework_config.docker.excluded_features_count]) {
 523                                     log_error("[framework-config] bad malloc\n");
 524                                 }
 525                                 strcpy(framework_config.docker.excluded_features[framework_config.docker.excluded_features_count], element->valuestring);
 526                                 framework_config.docker.excluded_features_count++;
 527                             }
 528                         }
 529                     }
 530                 }
 531             }
 532         }
 533         else if(framework_arguments.nts_mode == NTS_MODE_SUPERVISOR) {
 534             main_node = cJSON_GetObjectItem(json, "supervisor-rules");
 535             if(main_node) {
 536                 cJSON *app;
 537                 cJSON_ArrayForEach(app, main_node) {
 538                     if(cJSON_IsObject(app)) {
 539                         cJSON *object = cJSON_GetObjectItem(app, "path");
 540                         if(object) {
 541                             framework_config.supervisor.rules = (supervisor_rules_t *)realloc(framework_config.supervisor.rules, sizeof(supervisor_rules_t) * (framework_config.supervisor.rules_count + 1));
 542                             if(!framework_config.supervisor.rules) {
 543                                 log_error("[framework-config] bad realloc\n");
 544                             }
 545
 546                             char *path = strdup(object->valuestring);
 547                             bool autorestart = false;
 548                             bool nomanual = false;
 549                             char *stdout_path = 0;
 550                             char *stderr_path = 0;
 551
 552                             int args_count = 0;
 553                             char **args = 0;
 554                             cJSON *args_json = cJSON_GetObjectItem(app, "args");
 555                             if(args_json) {
 556                                 args_count = cJSON_GetArraySize(args_json);
 557                                 if(args_count) {
 558                                     args = malloc(sizeof(char *) * args_count);
 559                                     int i = 0;
 560                                     cJSON *arg;
 561                                     cJSON_ArrayForEach(arg, args_json) {
 562                                         args[i] = strdup(arg->valuestring);
 563                                         i++;
 564                                     }
 565                                 }
 566                             }
 567
 568                             object = cJSON_GetObjectItem(app, "autorestart");
 569                             if(object) {
 570                                 autorestart = object->valueint;
 571                             }
 572
 573                             object = cJSON_GetObjectItem(app, "nomanual");
 574                             if(object) {
 575                                 nomanual = object->valueint;
 576                             }
 577
 578                             object = cJSON_GetObjectItem(app, "stdout");
 579                             if(object) {
 580                                 stdout_path = strdup(object->valuestring);
 581                             }
 582
 583                             object = cJSON_GetObjectItem(app, "stderr");
 584                             if(object) {
 585                                 stderr_path = strdup(object->valuestring);
 586                             }
 587
 588                             framework_config.supervisor.rules[framework_config.supervisor.rules_count].name = strdup(app->string);
 589                             framework_config.supervisor.rules[framework_config.supervisor.rules_count].path = path;
 590                             framework_config.supervisor.rules[framework_config.supervisor.rules_count].args = args;
 591                             framework_config.supervisor.rules[framework_config.supervisor.rules_count].args_count = args_count;
 592                             framework_config.supervisor.rules[framework_config.supervisor.rules_count].autorestart = autorestart;
 593                             framework_config.supervisor.rules[framework_config.supervisor.rules_count].nomanual = nomanual;
 594                             framework_config.supervisor.rules[framework_config.supervisor.rules_count].stdout_path = stdout_path;
 595                             framework_config.supervisor.rules[framework_config.supervisor.rules_count].stderr_path = stderr_path;
 596
 597                             log_add_verbose(2, "[framework-config] adding supervisor command: %s with autorestart: %d\n", path, autorestart);
 598                             framework_config.supervisor.rules_count++;
 599                         }
 600                     }
 601                 }
 602             }
 603         }
 604         else {
 605             main_node = cJSON_GetObjectItem(json, "datastore-random-generation-rules");
 606             if(main_node) {
 607                 node = cJSON_GetObjectItem(main_node, "excluded-modules");
 608                 if(node) {
 609                     if(cJSON_IsArray(node)) {
 610                         cJSON *element;
 611                         cJSON_ArrayForEach(element, node) {
 612                             if(cJSON_IsString(element)) {
 613                                 log_add_verbose(2, "[framework-config] adding datastore-random-generation-rules/excluded-modules: %s\n", element->valuestring);
 614                                 framework_config.datastore_generate.excluded_modules = (char **)realloc(framework_config.datastore_generate.excluded_modules, sizeof(char*) * (framework_config.datastore_generate.excluded_modules_count + 1));
 615                                 if(!framework_config.datastore_generate.excluded_modules) {
 616                                     log_error("[framework-config] bad realloc\n");
 617                                 }
 618                                 framework_config.datastore_generate.excluded_modules[framework_config.datastore_generate.excluded_modules_count] = (char *)malloc(sizeof(char) * (strlen(element->valuestring) + 1));
 619                                 if(!framework_config.datastore_generate.excluded_modules[framework_config.datastore_generate.excluded_modules_count]) {
 620                                     log_error("[framework-config] bad malloc\n");
 621                                 }
 622                                 strcpy(framework_config.datastore_generate.excluded_modules[framework_config.datastore_generate.excluded_modules_count], element->valuestring);
 623                                 framework_config.datastore_generate.excluded_modules_count++;
 624                             }
 625                         }
 626                     }
 627                 }
 628
 629                 node = cJSON_GetObjectItem(main_node, "debug-max-string-size");
 630                 if(node) {
 631                     framework_config.datastore_generate.debug_max_string_size = node->valueint;
 632                     log_add_verbose(2, "[framework-config] setting datastore-random-generation-rules/debug-max-string-size: %d\n", framework_config.datastore_generate.debug_max_string_size);
 633                 }
 634
 635                 node = cJSON_GetObjectItem(main_node, "default-list-instances");
 636                 if(node) {
 637                     if(cJSON_IsNumber(node)) {
 638                         framework_config.datastore_generate.default_list_instances = node->valueint;
 639                         log_add_verbose(2, "[framework-config] setting datastore-random-generation-rules/default-list-instances: %d\n", framework_config.datastore_generate.default_list_instances);
 640                     }
 641                 }
 642
 643                 node = cJSON_GetObjectItem(main_node, "custom-list-instances");
 644                 if(node) {
 645                     if(cJSON_IsArray(node)) {
 646                         cJSON *element;
 647                         cJSON_ArrayForEach(element, node) {
 648                             if(cJSON_IsObject(element)) {
 649                                 cJSON *object;
 650                                 cJSON_ArrayForEach(object, element) {
 651                                     char *path = object->string;
 652                                     int count = object->valueint;
 653                                     log_add_verbose(2, "[framework-config] adding datastore-random-generation-rules/custom-list-instances %s - %d\n", path, count);
 654                                     framework_config.datastore_generate.custom_list_instances = (custom_list_instances_t *)realloc(framework_config.datastore_generate.custom_list_instances, sizeof(custom_list_instances_t) * (framework_config.datastore_generate.custom_list_instances_count + 1));
 655                                     if(!framework_config.datastore_generate.custom_list_instances) {
 656                                         log_error("[framework-config] bad realloc\n");
 657                                     }
 658
 659                                     framework_config.datastore_generate.custom_list_instances[framework_config.datastore_generate.custom_list_instances_count].path = (char *)malloc(sizeof(char) * (strlen(path) + 1));
 660                                     if(!framework_config.datastore_generate.custom_list_instances[framework_config.datastore_generate.custom_list_instances_count].path) {
 661                                         log_error("[framework-config] bad malloc\n");
 662                                     }
 663                                     strcpy(framework_config.datastore_generate.custom_list_instances[framework_config.datastore_generate.custom_list_instances_count].path, path);
 664                                     framework_config.datastore_generate.custom_list_instances[framework_config.datastore_generate.custom_list_instances_count].count = count;
 665                                     framework_config.datastore_generate.custom_list_instances_count++;
 666                                 }
 667                             }
 668                         }
 669                     }
 670                 }
 671
 672                 node = cJSON_GetObjectItem(main_node, "restrict-schema");
 673                 if(node) {
 674                     if(cJSON_IsArray(node)) {
 675                         cJSON *element;
 676                         cJSON_ArrayForEach(element, node) {
 677                             if(cJSON_IsObject(element)) {
 678                                 cJSON *object;
 679                                 cJSON_ArrayForEach(object, element) {
 680                                     char *path = object->string;
 681
 682                                     log_add_verbose(2, "[framework-config] adding datastore-random-generation-rules/restrict-schema: %s with values:", path);
 683                                     framework_config.datastore_generate.restrict_schema = (restrict_schema_t *)realloc(framework_config.datastore_generate.restrict_schema, sizeof(restrict_schema_t) * (framework_config.datastore_generate.restrict_schema_count + 1));
 684                                     if(!framework_config.datastore_generate.restrict_schema) {
 685                                         log_error("[framework-config] bad realloc\n");
 686                                     }
 687
 688                                     framework_config.datastore_generate.restrict_schema[framework_config.datastore_generate.restrict_schema_count].path = (char *)malloc(sizeof(char) * (strlen(path) + 1));
 689                                     if(!framework_config.datastore_generate.restrict_schema[framework_config.datastore_generate.restrict_schema_count].path) {
 690                                         log_error("[framework-config] bad malloc\n");
 691                                     }
 692                                     strcpy(framework_config.datastore_generate.restrict_schema[framework_config.datastore_generate.restrict_schema_count].path, path);
 693
 694
 695                                     framework_config.datastore_generate.restrict_schema[framework_config.datastore_generate.restrict_schema_count].values_count = 0;
 696                                     framework_config.datastore_generate.restrict_schema[framework_config.datastore_generate.restrict_schema_count].values = 0;
 697                                     framework_config.datastore_generate.restrict_schema[framework_config.datastore_generate.restrict_schema_count].index = 0;
 698                                     cJSON *value;
 699                                     cJSON_ArrayForEach(value, object) {
 700                                         if(cJSON_IsString(value)) {
 701                                             framework_config.datastore_generate.restrict_schema[framework_config.datastore_generate.restrict_schema_count].values = (char **)realloc(framework_config.datastore_generate.restrict_schema[framework_config.datastore_generate.restrict_schema_count].values, sizeof(char*) * (framework_config.datastore_generate.restrict_schema[framework_config.datastore_generate.restrict_schema_count].values_count + 1));
 702                                             if(!framework_config.datastore_generate.restrict_schema[framework_config.datastore_generate.restrict_schema_count].values) {
 703                                                 log_error("[framework-config] bad realloc\n");
 704                                             }
 705                                             framework_config.datastore_generate.restrict_schema[framework_config.datastore_generate.restrict_schema_count].values[framework_config.datastore_generate.restrict_schema[framework_config.datastore_generate.restrict_schema_count].values_count] = (char *)malloc(sizeof(char) * (strlen(value->valuestring) + 1));
 706                                             if(!framework_config.datastore_generate.restrict_schema[framework_config.datastore_generate.restrict_schema_count].values[framework_config.datastore_generate.restrict_schema[framework_config.datastore_generate.restrict_schema_count].values_count]) {
 707                                                 log_error("[framework-config] bad malloc\n");
 708                                             }
 709                                             strcpy(framework_config.datastore_generate.restrict_schema[framework_config.datastore_generate.restrict_schema_count].values[framework_config.datastore_generate.restrict_schema[framework_config.datastore_generate.restrict_schema_count].values_count], value->valuestring);
 710                                             framework_config.datastore_generate.restrict_schema[framework_config.datastore_generate.restrict_schema_count].values_count++;
 711
 712                                             log_add(2, " %s", value->valuestring);
 713                                         }
 714                                     }
 715                                     log_add(2, "\n");
 716
 717                                     framework_config.datastore_generate.restrict_schema_count++;
 718                                 }
 719                             }
 720                         }
 721                     }
 722                 }
 723             }
 724
 725             main_node = cJSON_GetObjectItem(json, "datastore-populate-rules");
 726             if(main_node) {
 727                 node = cJSON_GetObjectItem(main_node, "random-generation-enabled");
 728                 if(node) {
 729                     framework_config.datastore_populate.random_generation_enabled = node->valueint;
 730                     log_add_verbose(2, "[framework-config] setting datastore-populate-rules/random-generation-enabled: %d\n", framework_config.datastore_populate.random_generation_enabled);
 731                 }
 732                 else {
 733                     log_add_verbose(2, "[framework-config] setting datastore-populate-rules/random-generation-enabled: %d [default value]\n", framework_config.datastore_populate.random_generation_enabled);
 734                 }
 735
 736                 node = cJSON_GetObjectItem(main_node, "pre-generated-operational-data");
 737                 if(node) {
 738                     if(cJSON_IsArray(node)) {
 739                         cJSON *element;
 740                         cJSON_ArrayForEach(element, node) {
 741                             if(cJSON_IsString(element)) {
 742                                 log_add_verbose(2, "[framework-config] adding datastore-populate-rules/pre-generated-operational-data: %s\n", element->valuestring);
 743                                 framework_config.datastore_populate.preg_operational = (char **)realloc(framework_config.datastore_populate.preg_operational, sizeof(char*) * (framework_config.datastore_populate.preg_operational_count + 1));
 744                                 if(!framework_config.datastore_populate.preg_operational) {
 745                                     log_error("[framework-config] bad realloc\n");
 746                                 }
 747                                 framework_config.datastore_populate.preg_operational[framework_config.datastore_populate.preg_operational_count] = (char *)malloc(sizeof(char) * (strlen(element->valuestring) + 1));
 748                                 if(!framework_config.datastore_populate.preg_operational[framework_config.datastore_populate.preg_operational_count]) {
 749                                     log_error("[framework-config] bad malloc\n");
 750                                 }
 751                                 strcpy(framework_config.datastore_populate.preg_operational[framework_config.datastore_populate.preg_operational_count], element->valuestring);
 752                                 framework_config.datastore_populate.preg_operational_count++;
 753                             }
 754                         }
 755                     }
 756                 }
 757
 758                 node = cJSON_GetObjectItem(main_node, "pre-generated-running-data");
 759                 if(node) {
 760                     if(cJSON_IsArray(node)) {
 761                         cJSON *element;
 762                         cJSON_ArrayForEach(element, node) {
 763                             if(cJSON_IsString(element)) {
 764                                 log_add_verbose(2, "[framework-config] adding datastore-populate-rules/pre-generated-running-data: %s\n", element->valuestring);
 765                                 framework_config.datastore_populate.preg_running = (char **)realloc(framework_config.datastore_populate.preg_running, sizeof(char*) * (framework_config.datastore_populate.preg_running_count + 1));
 766                                 if(!framework_config.datastore_populate.preg_running) {
 767                                     log_error("[framework-config] bad realloc\n");
 768                                 }
 769                                 framework_config.datastore_populate.preg_running[framework_config.datastore_populate.preg_running_count] = (char *)malloc(sizeof(char) * (strlen(element->valuestring) + 1));
 770                                 if(!framework_config.datastore_populate.preg_running[framework_config.datastore_populate.preg_running_count]) {
 771                                     log_error("[framework-config] bad malloc\n");
 772                                 }
 773                                 strcpy(framework_config.datastore_populate.preg_running[framework_config.datastore_populate.preg_running_count], element->valuestring);
 774                                 framework_config.datastore_populate.preg_running_count++;
 775                             }
 776                         }
 777                     }
 778                 }
 779
 780             }
 781         }
 782
 783         cJSON_Delete(json);
 784
 785     }
 786     log_add_verbose(2, "[framework-config] finished parsing config.json\n");
 787
 788     return NTS_ERR_OK;
 789 }
 790
 791 void framework_free(void) {
 792     log_add_verbose(2, "[framework-config] framework_free()... ");
 793
 794     signal(SIGINT, 0);
 795     signal(SIGTERM, 0);
 796     signal(SIGQUIT, 0);
 797
 798     free((char *)argp_program_version);
 799     argp_program_version = 0;
 800
 801     free(framework_environment.nts.version);
 802     free(framework_environment.nts.build_time);
 803     free(framework_environment.nts.function_type);
 804     free(framework_environment.nts.nf_standalone_start_features);
 805     free(framework_environment.nts.nf_mount_point_addressing_method);
 806     free(framework_environment.settings.ip_v4);
 807     free(framework_environment.settings.ip_v6);
 808     free(framework_environment.settings.docker_engine_version);
 809     free(framework_environment.settings.docker_repository);
 810     free(framework_environment.settings.hostname);
 811     free(framework_environment.host.ip);
 812     free(framework_environment.sdn_controller.protocol);
 813     free(framework_environment.sdn_controller.ip);
 814     free(framework_environment.sdn_controller.callhome_ip);
 815     free(framework_environment.sdn_controller.username);
 816     free(framework_environment.sdn_controller.password);
 817     free(framework_environment.ves_endpoint.common_header_version);
 818     free(framework_environment.ves_endpoint.protocol);
 819     free(framework_environment.ves_endpoint.ip);
 820     free(framework_environment.ves_endpoint.auth_method);
 821     free(framework_environment.ves_endpoint.username);
 822     free(framework_environment.ves_endpoint.password);
 823     free(framework_environment.ves_endpoint.certificate);
 824
 825     free(framework_arguments.print_structure_xpath);
 826     framework_arguments.print_structure_xpath = 0;
 827
 828     for(int i = 0; i < framework_config.supervisor.rules_count; i++) {
 829         free(framework_config.supervisor.rules[i].name);
 830         free(framework_config.supervisor.rules[i].path);
 831         for(int j = 0; j < framework_config.supervisor.rules[i].args_count; j++) {
 832             free(framework_config.supervisor.rules[i].args[j]);
 833         }
 834         free(framework_config.supervisor.rules[i].args);
 835         free(framework_config.supervisor.rules[i].stdout_path);
 836         free(framework_config.supervisor.rules[i].stderr_path);
 837     }
 838
 839     free(framework_config.supervisor.rules);
 840
 841     for(int i = 0; i < framework_config.docker.excluded_modules_count; i++) {
 842         free(framework_config.docker.excluded_modules[i]);
 843     }
 844     free(framework_config.docker.excluded_modules);
 845
 846     for(int i = 0; i < framework_config.docker.excluded_features_count; i++) {
 847         free(framework_config.docker.excluded_features[i]);
 848     }
 849     free(framework_config.docker.excluded_features);
 850
 851     for(int i = 0; i < framework_config.datastore_generate.excluded_modules_count; i++) {
 852         free(framework_config.datastore_generate.excluded_modules[i]);
 853     }
 854     free(framework_config.datastore_generate.excluded_modules);
 855
 856
 857     for(int i = 0; i < framework_config.datastore_generate.custom_list_instances_count; i++) {
 858         free(framework_config.datastore_generate.custom_list_instances[i].path);
 859
 860     }
 861     free(framework_config.datastore_generate.custom_list_instances);
 862
 863     for(int i = 0; i < framework_config.datastore_generate.restrict_schema_count; i++) {
 864         free(framework_config.datastore_generate.restrict_schema[i].path);
 865         for(int j = 0; j < framework_config.datastore_generate.restrict_schema[i].values_count; j++) {
 866             free(framework_config.datastore_generate.restrict_schema[i].values[j]);
 867         }
 868         free(framework_config.datastore_generate.restrict_schema[i].values);
 869     }
 870     free(framework_config.datastore_generate.restrict_schema);
 871
 872     for(int i = 0; i < framework_config.datastore_populate.preg_operational_count; i++) {
 873         free(framework_config.datastore_populate.preg_operational[i]);
 874     }
 875     free(framework_config.datastore_populate.preg_operational);
 876
 877     for(int i = 0; i < framework_config.datastore_populate.preg_running_count; i++) {
 878         free(framework_config.datastore_populate.preg_running[i]);
 879     }
 880     free(framework_config.datastore_populate.preg_running);
 881
 882
 883     log_add(2, "done\n");
 884     log_close();
 885 }
 886
 887 static void framework_signal_handler(int signo) {
 888     framework_sigint = 1;
 889 }
 890
 891 static error_t parse_opt(int key, char *arg, struct argp_state *state) {
 892     framework_arguments_t *iter_arguments = state->input;
 893     switch (key) {
 894         case 'i':
 895             iter_arguments->nts_mode = NTS_MODE_CONTAINER_INIT;
 896             break;
 897
 898         case 's':
 899             iter_arguments->nts_mode = NTS_MODE_SUPERVISOR;
 900             break;
 901
 902         case 'm':
 903             iter_arguments->nts_mode = NTS_MODE_MANAGER;
 904             break;
 905
 906         case 'f':
 907             iter_arguments->nts_mode = NTS_MODE_NETWORK_FUNCTION;
 908             break;
 909
 910         case 'b':
 911             iter_arguments->nts_mode = NTS_MODE_BLANK;
 912             break;
 913
 914         case 't':
 915             iter_arguments->nts_mode = NTS_MODE_TEST;
 916             break;
 917
 918         case 'r':
 919             iter_arguments->no_rand = true;
 920             framework_arguments.fixed_seed = 0;
 921             int i = 0;
 922             while(arg[i]) {
 923                 framework_arguments.fixed_seed *= 10;
 924                 framework_arguments.fixed_seed += arg[i] - '0';
 925                 i++;
 926             }
 927             break;
 928
 929         case 'v':
 930             iter_arguments->verbosity_level = arg[0] - '0';
 931             break;
 932
 933         case 'w':
 934             chdir(arg);
 935             break;
 936
 937         case '1':
 938             iter_arguments->print_root_paths = true;
 939             break;
 940
 941         case '2':
 942             iter_arguments->print_structure_xpath = (char *)malloc(sizeof(char) * (strlen(arg) + 1));
 943             if(!iter_arguments->print_structure_xpath) {
 944                 log_error("[framework-arg] bad malloc\n");
 945                 return 1;
 946             }
 947             strcpy(iter_arguments->print_structure_xpath, arg);
 948             if(arg[strlen(arg) - 1] == '/') {
 949                 iter_arguments->print_structure_xpath[strlen(arg) - 1] = 0;
 950             }
 951             break;
 952
 953         case ARGP_KEY_ARG:
 954             if (state->arg_num >= 2) {
 955                 argp_usage(state);
 956             }
 957             break;
 958
 959         case ARGP_KEY_END:
 960
 961             break;
 962
 963         default:
 964             return ARGP_ERR_UNKNOWN;
 965     }
 966
 967     return 0;
 968 }