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     { "generate", 'g', 0, 0, "Generate population data without commiting." },
  50     { "test-mode", 't', 0, 0, "Test mode." },
  51
  52     // tools
  53     { "ls", '1', 0, 0, "Print all available root paths." },
  54     { "schema", '2', "XPATH", 0, "Print schema for XPATH." },
  55
  56     { "fixed-rand", 'r', "SEED", 0, "Initialize RAND seed to a fixed value (for debugging purposes)." },
  57     { "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" },
  58     { "workspace", 'w', "PATH", 0, "Initialize workspace to a different one than the current working directory." },
  59     { 0 }
  60 };
  61
  62 volatile sig_atomic_t framework_sigint;
  63
  64 static int framework_env_init(void);
  65 static int framework_config_init(void);
  66
  67 static void framework_signal_handler(int signo);
  68 static error_t parse_opt(int key, char *arg, struct argp_state *state);
  69
  70 int framework_init(int argc, char **argv) {
  71     //environment vars
  72     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"!");
  73     if(getenv(ENV_VAR_NTS_BUILD_TIME) && strlen(getenv(ENV_VAR_NTS_BUILD_TIME))) {
  74         framework_environment.nts.build_time = strdup(getenv(ENV_VAR_NTS_BUILD_TIME));
  75     }
  76     else {
  77         if(__DATE__[0] == '?') {
  78             framework_environment.nts.build_time = strdup("1970-01-01T00:00:00Z");
  79         }
  80         else {
  81             //01234567890
  82             //May  4 2021
  83             int year = 0;
  84             int month = 1;
  85             int day = 0;
  86
  87             year = (__DATE__[10] - '0') + (__DATE__[9] - '0')*10 + (__DATE__[8] - '0')*100 + (__DATE__[7] - '0')*1000;
  88             day = (__DATE__[5] - '0');
  89             if(__DATE__[4] != ' ') {
  90                 day += (__DATE__[4] - '0')*10;
  91             }
  92
  93             switch(__DATE__[0]) {
  94                 case 'J':
  95                     switch(__DATE__[1]) {
  96                         case 'a':
  97                             month = 1;
  98                             break;
  99
 100                         case 'u':
 101                             if(__DATE__[2] == 'n') {
 102                                 month = 6;
 103                             }
 104                             else {
 105                                 month = 7;
 106                             }
 107                             break;
 108                     }
 109                     break;
 110
 111                 case 'F':
 112                     month = 2;
 113                     break;
 114
 115                 case 'M':
 116                     switch(__DATE__[2]) {
 117                         case 'r':
 118                             month = 3;
 119                             break;
 120
 121                         case 'y':
 122                             month = 5;
 123                             break;
 124                     }
 125                     break;
 126
 127                 case 'A':
 128                     switch(__DATE__[1]) {
 129                         case 'p':
 130                             month = 4;
 131                             break;
 132
 133                         case 'u':
 134                             month = 8;
 135                             break;
 136                     }
 137                     break;
 138
 139                 case 'S':
 140                     month = 9;
 141                     break;
 142
 143                 case 'O':
 144                     month = 10;
 145                     break;
 146
 147                 case 'N':
 148                     month = 11;
 149                     break;
 150
 151                 case 'D':
 152                     month = 12;
 153                     break;
 154             }
 155
 156             asprintf(&framework_environment.nts.build_time, "%04d-%02d-%02dT%sZ", year, month, day, __TIME__);
 157         }
 158     }
 159
 160     //set argp_version
 161     char *version = 0;
 162     asprintf(&version, "ntsim-ng v%s build %s", framework_environment.nts.version, framework_environment.nts.build_time);
 163     argp_program_version = version;
 164
 165     //initialize app arguments
 166     framework_arguments.nts_mode = NTS_MODE_DEFAULT;
 167
 168     framework_arguments.argc = argc;
 169     framework_arguments.argv = argv;
 170
 171     framework_arguments.no_rand = false;
 172     framework_arguments.fixed_seed = 0;
 173     framework_arguments.verbosity_level = 1;
 174
 175     framework_arguments.print_root_paths = false;
 176     framework_arguments.print_structure_xpath = 0;
 177
 178     //parse provided command line arguments
 179     struct argp argp = { options, parse_opt, 0, doc, 0, 0, 0 };
 180     argp_parse(&argp, argc, argv, 0, 0, &framework_arguments);
 181
 182     //manage signals
 183     framework_sigint = 0;
 184     signal(SIGINT, framework_signal_handler);
 185     signal(SIGTERM, framework_signal_handler);
 186     signal(SIGQUIT, framework_signal_handler);
 187
 188     //disable buffering for stdout
 189     setbuf(stdout, NULL);
 190
 191     //init logging subsystem
 192     char *log_file = 0;
 193     char *stderr_file = 0;
 194
 195     if(!dir_exists("log")) {
 196         mkdir("log", 0777);
 197     }
 198
 199     switch(framework_arguments.nts_mode) {
 200         case NTS_MODE_CONTAINER_INIT:
 201             log_file = "log/log-install.txt";
 202             stderr_file = "log/stderr-install.txt";
 203             break;
 204
 205         case NTS_MODE_BLANK:
 206             log_file = "log/log-blank.txt";
 207             stderr_file = "log/stderr-blank.txt";
 208             break;
 209
 210         case NTS_MODE_SUPERVISOR:
 211             log_file = "log/log-supervisor.txt";
 212             stderr_file = "log/stderr-supervisor.txt";
 213             break;
 214
 215         case NTS_MODE_GENERATE_DATA:
 216             log_file = "log/log-generate.txt";
 217             stderr_file = "log/stderr-generate.txt";
 218             break;
 219
 220         default:
 221             log_file = "log/log.txt";
 222             stderr_file = "log/stderr.txt";
 223             break;
 224     }
 225
 226     log_init(log_file);
 227     log_redirect_stderr(stderr_file);
 228
 229     char cwd[PATH_MAX];
 230     getcwd(cwd, sizeof(cwd));
 231     log_add_verbose(2, "[framework] current working dir is: %s\n", cwd);
 232
 233     //init rand generator if needed
 234     if(framework_arguments.no_rand == false) {
 235         rand_init();
 236     }
 237     else {
 238         rand_init_fixed(framework_arguments.fixed_seed);
 239     }
 240
 241     log_add_verbose(2, "[framework] app was called: ");
 242     for(int i = 0; i < argc; i++) {
 243         log_add(2, "%s ", argv[i]);
 244     }
 245     log_add(2, "\n");
 246
 247     if(framework_env_init() != NTS_ERR_OK) {
 248         log_error("[framework] framework_env_init() failed\n");
 249         return NTS_ERR_FAILED;
 250     }
 251
 252     if(framework_config_init() != NTS_ERR_OK) {
 253         log_error("[framework] framework_config_init() failed\n");
 254         return NTS_ERR_FAILED;
 255     }
 256
 257     log_add_verbose(2, "[framework] init complete\n");
 258     return NTS_ERR_OK;
 259 }
 260
 261 static int framework_env_init(void) {
 262     log_add_verbose(2, "[framework-env] started\n");
 263
 264     /*
 265     The following env vars are taken care of by framework_init()
 266         framework_environment.nts.version
 267         framework_environment.nts.build_time
 268     */
 269
 270     framework_environment.nts.manual = getenv(ENV_VAR_NTS_MANUAL) ? true : false;
 271     framework_environment.nts.function_type = getenv(ENV_VAR_NTS_FUNCTION_TYPE) ? strdup(getenv(ENV_VAR_NTS_FUNCTION_TYPE)) : strdup("");
 272     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("");
 273     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");
 274
 275     framework_environment.settings.docker_repository = getenv(ENV_VAR_DOCKER_REPOSITORY) ? strdup(getenv(ENV_VAR_DOCKER_REPOSITORY)) : strdup("");
 276     if(strlen(framework_environment.settings.docker_repository)) {
 277         if(framework_environment.settings.docker_repository[strlen(framework_environment.settings.docker_repository) - 1] == '/') {
 278             framework_environment.settings.docker_repository[strlen(framework_environment.settings.docker_repository) - 1] = 0;
 279         }
 280     }
 281     framework_environment.settings.docker_engine_version = getenv(ENV_VAR_DOCKER_ENGINE_VERSION) ? strdup(getenv(ENV_VAR_DOCKER_ENGINE_VERSION)) : strdup("1.40");
 282     framework_environment.settings.hostname = getenv(ENV_VAR_HOSTNAME) ? strdup(getenv(ENV_VAR_HOSTNAME)) : strdup("localhost");
 283
 284     bool ip_ok = get_local_ips("eth0", &framework_environment.settings.ip_v4, &framework_environment.settings.ip_v6);
 285     if(!ip_ok) {
 286         log_error("[framework-env] could not get local IP addresses\n");
 287     }
 288
 289     char *ipv6_env_var = getenv(ENV_VAR_IPV6ENABLED);
 290     if(ipv6_env_var == 0) {
 291         log_error("[framework-env] could not get the IPv6 Enabled env variable\n");
 292     }
 293     framework_environment.settings.ip_v6_enabled = (strcmp(ipv6_env_var, "true") == 0) ? true : false;
 294     framework_environment.settings.ssh_connections = get_int_from_string_with_default(getenv(ENV_VAR_SSH_CONNECTIONS), 1);
 295     framework_environment.settings.tls_connections = get_int_from_string_with_default(getenv(ENV_VAR_TLS_CONNECTIONS), 0);
 296     framework_environment.settings.ftp_connections = 1;
 297     framework_environment.settings.sftp_connections = 1;
 298
 299     //build version and build time are set in the begining of the function
 300     framework_environment.host.ip = getenv(ENV_VAR_HOST_IP) ? strdup(getenv(ENV_VAR_HOST_IP)) : strdup("127.0.0.1");
 301     framework_environment.host.base_port = get_int_from_string_with_default(getenv(ENV_VAR_HOST_BASE_PORT), 1000);
 302     framework_environment.host.ssh_base_port = get_int_from_string_with_default(getenv(ENV_VAR_HOST_NETCONF_SSH_BASE_PORT), 0);
 303     framework_environment.host.tls_base_port = get_int_from_string_with_default(getenv(ENV_VAR_HOST_NETCONF_TLS_BASE_PORT), 0);
 304     framework_environment.host.ftp_base_port = get_int_from_string_with_default(getenv(ENV_VAR_HOST_TRANSFER_FTP_BASE_PORT), 0);
 305     framework_environment.host.sftp_base_port = get_int_from_string_with_default(getenv(ENV_VAR_HOST_TRANSFER_SFTP_BASE_PORT), 0);
 306
 307     framework_environment.sdn_controller.protocol = getenv(ENV_VAR_SDN_CONTROLLER_IP) ? strdup(getenv(ENV_VAR_SDN_CONTROLLER_PROTOCOL)) : strdup("https");
 308     framework_environment.sdn_controller.ip = getenv(ENV_VAR_SDN_CONTROLLER_IP) ? strdup(getenv(ENV_VAR_SDN_CONTROLLER_IP)) : strdup("127.0.0.1");
 309     framework_environment.sdn_controller.port = get_int_from_string_with_default(getenv(ENV_VAR_SDN_CONTROLLER_PORT), 8181);
 310     framework_environment.sdn_controller.callhome_port = get_int_from_string_with_default(getenv(ENV_VAR_SDN_CONTROLLER_CALLHOME_PORT), 6666);
 311     framework_environment.sdn_controller.username = getenv(ENV_VAR_SDN_CONTROLLER_USERNAME) ? strdup(getenv(ENV_VAR_SDN_CONTROLLER_USERNAME)) : strdup("admin");
 312     framework_environment.sdn_controller.password = getenv(ENV_VAR_SDN_CONTROLLER_PASSWORD) ? strdup(getenv(ENV_VAR_SDN_CONTROLLER_PASSWORD)) : strdup("admin");
 313     framework_environment.sdn_controller.port_absent = (getenv(ENV_VAR_SDN_CONTROLLER_PORT) == 0) ? true : false;
 314
 315     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");
 316     framework_environment.ves_endpoint.protocol = getenv(ENV_VAR_VES_ENDPOINT_PROTOCOL) ? strdup(getenv(ENV_VAR_VES_ENDPOINT_PROTOCOL)) : strdup("https");
 317     framework_environment.ves_endpoint.ip = getenv(ENV_VAR_VES_ENDPOINT_IP) ? strdup(getenv(ENV_VAR_VES_ENDPOINT_IP)) : strdup("127.0.0.1");
 318     framework_environment.ves_endpoint.port = get_int_from_string_with_default(getenv(ENV_VAR_VES_ENDPOINT_PORT), 1234);
 319     framework_environment.ves_endpoint.auth_method = getenv(ENV_VAR_VES_ENDPOINT_AUTH_METHOD) ? strdup(getenv(ENV_VAR_VES_ENDPOINT_AUTH_METHOD)) : strdup("no-auth");
 320     framework_environment.ves_endpoint.username = getenv(ENV_VAR_VES_ENDPOINT_USERNAME) ? strdup(getenv(ENV_VAR_VES_ENDPOINT_USERNAME)) : strdup("admin");
 321     framework_environment.ves_endpoint.password = getenv(ENV_VAR_VES_ENDPOINT_PASSWORD) ? strdup(getenv(ENV_VAR_VES_ENDPOINT_PASSWORD)) : strdup("admin");
 322     framework_environment.ves_endpoint.certificate = getenv(ENV_VAR_VES_ENDPOINT_CERTIFICATE) ? strdup(getenv(ENV_VAR_VES_ENDPOINT_CERTIFICATE)) : strdup("");
 323     framework_environment.ves_endpoint.port_absent = (getenv(ENV_VAR_VES_ENDPOINT_PORT) == 0) ? true : false;
 324
 325     log_add_verbose(2, "[framework-env] nts.manual = %d\n", framework_environment.nts.manual);
 326     log_add_verbose(2, "[framework-env] nts.version = %s\n", framework_environment.nts.version);
 327     log_add_verbose(2, "[framework-env] nts.build_time = %s\n", framework_environment.nts.build_time);
 328     log_add_verbose(2, "[framework-env] nts.function_type = %s\n", framework_environment.nts.function_type);
 329     log_add_verbose(2, "[framework-env] nts.nf_standalone_start_features = %s\n", framework_environment.nts.nf_standalone_start_features);
 330     log_add_verbose(2, "[framework-env] nts.nf_mount_point_addressing_method = %s\n", framework_environment.nts.nf_mount_point_addressing_method);
 331
 332     log_add_verbose(2, "[framework-env] settings.docker_engine_version = %s\n", framework_environment.settings.docker_engine_version);
 333     log_add_verbose(2, "[framework-env] settings.docker_repository = %s\n", framework_environment.settings.docker_repository);
 334     log_add_verbose(2, "[framework-env] settings.hostname = %s\n", framework_environment.settings.hostname);
 335     log_add_verbose(2, "[framework-env] settings.ip_v4 = %s\n", framework_environment.settings.ip_v4);
 336     log_add_verbose(2, "[framework-env] settings.ip_v6 = %s\n", framework_environment.settings.ip_v6);
 337     log_add_verbose(2, "[framework-env] settings.ip_v6_enabled = %s\n", framework_environment.settings.ip_v6_enabled ? "true" : "false");
 338     log_add_verbose(2, "[framework-env] settings.ssh_connections = %d\n", framework_environment.settings.ssh_connections);
 339     log_add_verbose(2, "[framework-env] settings.tls_connections = %d\n", framework_environment.settings.tls_connections);
 340     log_add_verbose(2, "[framework-env] settings.ftp_connections = %d\n", framework_environment.settings.ftp_connections);
 341     log_add_verbose(2, "[framework-env] settings.sftp_connections = %d\n", framework_environment.settings.sftp_connections);
 342
 343     //check ports
 344     if(framework_environment.host.base_port < 1000) {
 345         log_add_verbose(2, "[framework-env] host.base_port < 1000 -> disabling\n");
 346         framework_environment.host.base_port = 0;
 347     }
 348
 349     if(framework_environment.host.ssh_base_port < 1000) {
 350         log_add_verbose(2, "[framework-env] host.ssh_base_port < 1000 -> using base_port\n");
 351         framework_environment.host.ssh_base_port = framework_environment.host.base_port;
 352     }
 353
 354     if(framework_environment.host.tls_base_port < 1000) {
 355         log_add_verbose(2, "[framework-env] host.tls_base_port < 1000 -> using base_port\n");
 356         framework_environment.host.tls_base_port = framework_environment.host.base_port;
 357     }
 358
 359     if(framework_environment.host.ftp_base_port < 1000) {
 360         log_add_verbose(2, "[framework-env] host.ftp_base_port < 1000 -> using base_port\n");
 361         framework_environment.host.ftp_base_port = framework_environment.host.base_port;
 362     }
 363
 364     if(framework_environment.host.sftp_base_port < 1000) {
 365         log_add_verbose(2, "[framework-env] host.sftp_base_port < 1000 -> using base_port\n");
 366         framework_environment.host.sftp_base_port = framework_environment.host.base_port;
 367     }
 368
 369     if(framework_environment.host.base_port == 0) {
 370         if(framework_environment.host.ssh_base_port == 0) {
 371             log_error("[framework-env] host.ssh_base_port unknown\n");
 372             return NTS_ERR_FAILED;
 373         }
 374
 375         if(framework_environment.host.tls_base_port == 0) {
 376             log_error("[framework-env] host.tls_base_port unknown\n");
 377             return NTS_ERR_FAILED;
 378         }
 379
 380         if(framework_environment.host.ftp_base_port == 0) {
 381             log_error("[framework-env] host.ftp_base_port unknown\n");
 382             return NTS_ERR_FAILED;
 383         }
 384
 385         if(framework_environment.host.sftp_base_port == 0) {
 386             log_error("[framework-env] host.sftp_base_port unknown\n");
 387             return NTS_ERR_FAILED;
 388         }
 389     }
 390
 391     log_add_verbose(2, "[framework-env] host.ip = %s\n", framework_environment.host.ip);
 392     if(framework_environment.settings.ip_v6_enabled) {
 393         if(strstr(framework_environment.host.ip, ".")) {
 394             log_error("[framework-env] host.ip is an invalid IP v6\n");
 395             return NTS_ERR_FAILED;
 396         }
 397     }
 398     else {
 399         if(strstr(framework_environment.host.ip, ":")) {
 400             log_error("[framework-env] host.ip is an invalid IP v4\n");
 401             return NTS_ERR_FAILED;
 402         }
 403     }
 404
 405     log_add_verbose(2, "[framework-env] host.base_port = %d\n", framework_environment.host.base_port);
 406     log_add_verbose(2, "[framework-env] host.ssh_base_port = %d\n", framework_environment.host.ssh_base_port);
 407     log_add_verbose(2, "[framework-env] host.tls_base_port = %d\n", framework_environment.host.tls_base_port);
 408     log_add_verbose(2, "[framework-env] host.ftp_base_port = %d\n", framework_environment.host.ftp_base_port);
 409     log_add_verbose(2, "[framework-env] host.sftp_base_port = %d\n", framework_environment.host.sftp_base_port);
 410
 411     log_add_verbose(2, "[framework-env] sdn_controller.protocol = %s\n", framework_environment.sdn_controller.protocol);
 412     log_add_verbose(2, "[framework-env] sdn_controller.ip = %s\n", framework_environment.sdn_controller.ip);
 413     log_add_verbose(2, "[framework-env] sdn_controller.port = %d\n", framework_environment.sdn_controller.port);
 414     log_add_verbose(2, "[framework-env] sdn_controller.callhome_port = %d\n", framework_environment.sdn_controller.callhome_port);
 415     log_add_verbose(2, "[framework-env] sdn_controller.username = %s\n", framework_environment.sdn_controller.username);
 416     log_add_verbose(2, "[framework-env] sdn_controller.password = %s\n", framework_environment.sdn_controller.password);
 417     log_add_verbose(2, "[framework-env] sdn_controller.port_absent = %d\n", framework_environment.sdn_controller.port_absent);
 418
 419     log_add_verbose(2, "[framework-env] ves_endpoint.common_header_version = %s\n", framework_environment.ves_endpoint.common_header_version);
 420     log_add_verbose(2, "[framework-env] ves_endpoint.protocol = %s\n", framework_environment.ves_endpoint.protocol);
 421     log_add_verbose(2, "[framework-env] ves_endpoint.ip = %s\n", framework_environment.ves_endpoint.ip);
 422     log_add_verbose(2, "[framework-env] ves_endpoint.port = %d\n", framework_environment.ves_endpoint.port);
 423     log_add_verbose(2, "[framework-env] ves_endpoint.auth_method = %s\n", framework_environment.ves_endpoint.auth_method);
 424     log_add_verbose(2, "[framework-env] ves_endpoint.username = %s\n", framework_environment.ves_endpoint.username);
 425     log_add_verbose(2, "[framework-env] ves_endpoint.password = %s\n", framework_environment.ves_endpoint.password);
 426     log_add_verbose(2, "[framework-env] ves_endpoint.certificate = %s\n", framework_environment.ves_endpoint.certificate);
 427     log_add_verbose(2, "[framework-env] ves_endpoint.port_absent = %d\n", framework_environment.ves_endpoint.port_absent);
 428
 429     log_add_verbose(2, "[framework-env] finished\n");
 430     return NTS_ERR_OK;
 431 }
 432
 433 static int framework_config_init(void) {
 434     log_add_verbose(2, "[framework-config] started\n");
 435
 436     //init app config
 437     framework_config.docker.excluded_modules = 0;
 438     framework_config.docker.excluded_modules_count = 0;
 439     framework_config.docker.excluded_features = 0;
 440     framework_config.docker.excluded_features_count = 0;
 441
 442     framework_config.supervisor.rules_count = 0;
 443     framework_config.supervisor.rules = 0;
 444
 445     framework_config.datastore_generate.debug_max_string_size = 0;
 446     framework_config.datastore_generate.excluded_modules = 0;
 447     framework_config.datastore_generate.excluded_modules_count = 0;
 448     framework_config.datastore_generate.default_list_instances = 1;
 449     framework_config.datastore_generate.custom_list_instances_count = 0;
 450     framework_config.datastore_generate.custom_list_instances = 0;
 451     framework_config.datastore_generate.restrict_schema_count = 0;
 452     framework_config.datastore_generate.restrict_schema = 0;
 453
 454     framework_config.datastore_populate.random_generation_enabled = 1;
 455     framework_config.datastore_populate.preg_operational_count = 0;
 456     framework_config.datastore_populate.preg_operational = 0;
 457     framework_config.datastore_populate.preg_running_count = 0;
 458     framework_config.datastore_populate.preg_running = 0;
 459
 460     //config init
 461     char *config_file = "config/config.json";
 462     if(file_exists("/opt/dev/config/config.json")) {
 463         config_file = "/opt/dev/config/config.json";
 464         log_add_verbose(1, LOG_COLOR_BOLD_MAGENTA"config.json is loaded from external volume!\n"LOG_COLOR_RESET);
 465     }
 466     else {
 467         if(!dir_exists("config")) {
 468             log_add_verbose(2, "[framework-config] config/ folder wasn't found; created.\n");
 469             mkdir("config", 0777);
 470         }
 471
 472         if(!file_exists("config/config.json")) {
 473             log_add_verbose(2, "[framework-config] config.json file missing; created.\n");
 474             file_touch("config/config.json", "{}");
 475         }
 476     }
 477
 478     log_add_verbose(2, "[framework-config] parsing config.json from %s\n", config_file);
 479     char *config_contents = file_read_content(config_file);
 480     cJSON *json = cJSON_Parse(config_contents);
 481     free(config_contents);
 482     if(!json) {
 483         log_error("[framework-config] config.json error: %s\n", cJSON_GetErrorPtr());
 484     }
 485     else {
 486         cJSON *main_node;
 487         cJSON *node;
 488
 489         if(framework_arguments.nts_mode == NTS_MODE_CONTAINER_INIT) {
 490             main_node = cJSON_GetObjectItem(json, "container-rules");
 491             if(main_node) {
 492                 node = cJSON_GetObjectItem(main_node, "excluded-modules");
 493                 if(node) {
 494                     if(cJSON_IsArray(node)) {
 495                         cJSON *element;
 496                         cJSON_ArrayForEach(element, node) {
 497                             if(cJSON_IsString(element)) {
 498                                 log_add_verbose(2, "[framework-config] adding container-rules/exclude-modules: %s\n", element->valuestring);
 499                                 framework_config.docker.excluded_modules = (char **)realloc(framework_config.docker.excluded_modules, sizeof(char*) * (framework_config.docker.excluded_modules_count + 1));
 500                                 if(!framework_config.docker.excluded_modules) {
 501                                     log_error("[framework-config] bad realloc\n");
 502                                 }
 503                                 framework_config.docker.excluded_modules[framework_config.docker.excluded_modules_count] = (char *)malloc(sizeof(char) * (strlen(element->valuestring) + 1));
 504                                 if(!framework_config.docker.excluded_modules[framework_config.docker.excluded_modules_count]) {
 505                                     log_error("[framework-config] bad malloc\n");
 506                                 }
 507                                 strcpy(framework_config.docker.excluded_modules[framework_config.docker.excluded_modules_count], element->valuestring);
 508                                 framework_config.docker.excluded_modules_count++;
 509                             }
 510                         }
 511                     }
 512                 }
 513
 514                 node = cJSON_GetObjectItem(main_node, "excluded-features");
 515                 if(node) {
 516                     if(cJSON_IsArray(node)) {
 517                         cJSON *element;
 518                         cJSON_ArrayForEach(element, node) {
 519                             if(cJSON_IsString(element)) {
 520                                 log_add_verbose(2, "[framework-config] adding container-rules/excluded-features: %s\n", element->valuestring);
 521                                 framework_config.docker.excluded_features = (char **)realloc(framework_config.docker.excluded_features, sizeof(char*) * (framework_config.docker.excluded_features_count + 1));
 522                                 if(!framework_config.docker.excluded_features) {
 523                                     log_error("[framework-config] bad realloc\n");
 524                                 }
 525                                 framework_config.docker.excluded_features[framework_config.docker.excluded_features_count] = (char *)malloc(sizeof(char) * (strlen(element->valuestring) + 1));
 526                                 if(!framework_config.docker.excluded_features[framework_config.docker.excluded_features_count]) {
 527                                     log_error("[framework-config] bad malloc\n");
 528                                 }
 529                                 strcpy(framework_config.docker.excluded_features[framework_config.docker.excluded_features_count], element->valuestring);
 530                                 framework_config.docker.excluded_features_count++;
 531                             }
 532                         }
 533                     }
 534                 }
 535             }
 536         }
 537         else if(framework_arguments.nts_mode == NTS_MODE_SUPERVISOR) {
 538             main_node = cJSON_GetObjectItem(json, "supervisor-rules");
 539             if(main_node) {
 540                 cJSON *app;
 541                 cJSON_ArrayForEach(app, main_node) {
 542                     if(cJSON_IsObject(app)) {
 543                         cJSON *object = cJSON_GetObjectItem(app, "path");
 544                         if(object) {
 545                             framework_config.supervisor.rules = (supervisor_rules_t *)realloc(framework_config.supervisor.rules, sizeof(supervisor_rules_t) * (framework_config.supervisor.rules_count + 1));
 546                             if(!framework_config.supervisor.rules) {
 547                                 log_error("[framework-config] bad realloc\n");
 548                             }
 549
 550                             char *path = strdup(object->valuestring);
 551                             bool autorestart = false;
 552                             bool nomanual = false;
 553                             char *stdout_path = 0;
 554                             char *stderr_path = 0;
 555
 556                             int args_count = 0;
 557                             char **args = 0;
 558                             cJSON *args_json = cJSON_GetObjectItem(app, "args");
 559                             if(args_json) {
 560                                 args_count = cJSON_GetArraySize(args_json);
 561                                 if(args_count) {
 562                                     args = malloc(sizeof(char *) * args_count);
 563                                     int i = 0;
 564                                     cJSON *arg;
 565                                     cJSON_ArrayForEach(arg, args_json) {
 566                                         args[i] = strdup(arg->valuestring);
 567                                         i++;
 568                                     }
 569                                 }
 570                             }
 571
 572                             object = cJSON_GetObjectItem(app, "autorestart");
 573                             if(object) {
 574                                 autorestart = object->valueint;
 575                             }
 576
 577                             object = cJSON_GetObjectItem(app, "nomanual");
 578                             if(object) {
 579                                 nomanual = object->valueint;
 580                             }
 581
 582                             object = cJSON_GetObjectItem(app, "stdout");
 583                             if(object) {
 584                                 stdout_path = strdup(object->valuestring);
 585                             }
 586
 587                             object = cJSON_GetObjectItem(app, "stderr");
 588                             if(object) {
 589                                 stderr_path = strdup(object->valuestring);
 590                             }
 591
 592                             framework_config.supervisor.rules[framework_config.supervisor.rules_count].name = strdup(app->string);
 593                             framework_config.supervisor.rules[framework_config.supervisor.rules_count].path = path;
 594                             framework_config.supervisor.rules[framework_config.supervisor.rules_count].args = args;
 595                             framework_config.supervisor.rules[framework_config.supervisor.rules_count].args_count = args_count;
 596                             framework_config.supervisor.rules[framework_config.supervisor.rules_count].autorestart = autorestart;
 597                             framework_config.supervisor.rules[framework_config.supervisor.rules_count].nomanual = nomanual;
 598                             framework_config.supervisor.rules[framework_config.supervisor.rules_count].stdout_path = stdout_path;
 599                             framework_config.supervisor.rules[framework_config.supervisor.rules_count].stderr_path = stderr_path;
 600
 601                             log_add_verbose(2, "[framework-config] adding supervisor command: %s with autorestart: %d\n", path, autorestart);
 602                             framework_config.supervisor.rules_count++;
 603                         }
 604                     }
 605                 }
 606             }
 607         }
 608         else {
 609             main_node = cJSON_GetObjectItem(json, "datastore-random-generation-rules");
 610             if(main_node) {
 611                 node = cJSON_GetObjectItem(main_node, "excluded-modules");
 612                 if(node) {
 613                     if(cJSON_IsArray(node)) {
 614                         cJSON *element;
 615                         cJSON_ArrayForEach(element, node) {
 616                             if(cJSON_IsString(element)) {
 617                                 log_add_verbose(2, "[framework-config] adding datastore-random-generation-rules/excluded-modules: %s\n", element->valuestring);
 618                                 framework_config.datastore_generate.excluded_modules = (char **)realloc(framework_config.datastore_generate.excluded_modules, sizeof(char*) * (framework_config.datastore_generate.excluded_modules_count + 1));
 619                                 if(!framework_config.datastore_generate.excluded_modules) {
 620                                     log_error("[framework-config] bad realloc\n");
 621                                 }
 622                                 framework_config.datastore_generate.excluded_modules[framework_config.datastore_generate.excluded_modules_count] = (char *)malloc(sizeof(char) * (strlen(element->valuestring) + 1));
 623                                 if(!framework_config.datastore_generate.excluded_modules[framework_config.datastore_generate.excluded_modules_count]) {
 624                                     log_error("[framework-config] bad malloc\n");
 625                                 }
 626                                 strcpy(framework_config.datastore_generate.excluded_modules[framework_config.datastore_generate.excluded_modules_count], element->valuestring);
 627                                 framework_config.datastore_generate.excluded_modules_count++;
 628                             }
 629                         }
 630                     }
 631                 }
 632
 633                 node = cJSON_GetObjectItem(main_node, "debug-max-string-size");
 634                 if(node) {
 635                     framework_config.datastore_generate.debug_max_string_size = node->valueint;
 636                     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);
 637                 }
 638
 639                 node = cJSON_GetObjectItem(main_node, "default-list-instances");
 640                 if(node) {
 641                     if(cJSON_IsNumber(node)) {
 642                         framework_config.datastore_generate.default_list_instances = node->valueint;
 643                         log_add_verbose(2, "[framework-config] setting datastore-random-generation-rules/default-list-instances: %d\n", framework_config.datastore_generate.default_list_instances);
 644                     }
 645                 }
 646
 647                 node = cJSON_GetObjectItem(main_node, "custom-list-instances");
 648                 if(node) {
 649                     if(cJSON_IsArray(node)) {
 650                         cJSON *element;
 651                         cJSON_ArrayForEach(element, node) {
 652                             if(cJSON_IsObject(element)) {
 653                                 cJSON *object;
 654                                 cJSON_ArrayForEach(object, element) {
 655                                     char *path = object->string;
 656                                     int count = object->valueint;
 657                                     log_add_verbose(2, "[framework-config] adding datastore-random-generation-rules/custom-list-instances %s - %d\n", path, count);
 658                                     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));
 659                                     if(!framework_config.datastore_generate.custom_list_instances) {
 660                                         log_error("[framework-config] bad realloc\n");
 661                                     }
 662
 663                                     framework_config.datastore_generate.custom_list_instances[framework_config.datastore_generate.custom_list_instances_count].path = (char *)malloc(sizeof(char) * (strlen(path) + 1));
 664                                     if(!framework_config.datastore_generate.custom_list_instances[framework_config.datastore_generate.custom_list_instances_count].path) {
 665                                         log_error("[framework-config] bad malloc\n");
 666                                     }
 667                                     strcpy(framework_config.datastore_generate.custom_list_instances[framework_config.datastore_generate.custom_list_instances_count].path, path);
 668                                     framework_config.datastore_generate.custom_list_instances[framework_config.datastore_generate.custom_list_instances_count].count = count;
 669                                     framework_config.datastore_generate.custom_list_instances_count++;
 670                                 }
 671                             }
 672                         }
 673                     }
 674                 }
 675
 676                 node = cJSON_GetObjectItem(main_node, "restrict-schema");
 677                 if(node) {
 678                     if(cJSON_IsArray(node)) {
 679                         cJSON *element;
 680                         cJSON_ArrayForEach(element, node) {
 681                             if(cJSON_IsObject(element)) {
 682                                 cJSON *object;
 683                                 cJSON_ArrayForEach(object, element) {
 684                                     char *path = object->string;
 685
 686                                     log_add_verbose(2, "[framework-config] adding datastore-random-generation-rules/restrict-schema: %s with values:", path);
 687                                     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));
 688                                     if(!framework_config.datastore_generate.restrict_schema) {
 689                                         log_error("[framework-config] bad realloc\n");
 690                                     }
 691
 692                                     framework_config.datastore_generate.restrict_schema[framework_config.datastore_generate.restrict_schema_count].path = (char *)malloc(sizeof(char) * (strlen(path) + 1));
 693                                     if(!framework_config.datastore_generate.restrict_schema[framework_config.datastore_generate.restrict_schema_count].path) {
 694                                         log_error("[framework-config] bad malloc\n");
 695                                     }
 696                                     strcpy(framework_config.datastore_generate.restrict_schema[framework_config.datastore_generate.restrict_schema_count].path, path);
 697
 698
 699                                     framework_config.datastore_generate.restrict_schema[framework_config.datastore_generate.restrict_schema_count].values_count = 0;
 700                                     framework_config.datastore_generate.restrict_schema[framework_config.datastore_generate.restrict_schema_count].values = 0;
 701                                     framework_config.datastore_generate.restrict_schema[framework_config.datastore_generate.restrict_schema_count].index = 0;
 702                                     cJSON *value;
 703                                     cJSON_ArrayForEach(value, object) {
 704                                         if(cJSON_IsString(value)) {
 705                                             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));
 706                                             if(!framework_config.datastore_generate.restrict_schema[framework_config.datastore_generate.restrict_schema_count].values) {
 707                                                 log_error("[framework-config] bad realloc\n");
 708                                             }
 709                                             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));
 710                                             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]) {
 711                                                 log_error("[framework-config] bad malloc\n");
 712                                             }
 713                                             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);
 714                                             framework_config.datastore_generate.restrict_schema[framework_config.datastore_generate.restrict_schema_count].values_count++;
 715
 716                                             log_add(2, " %s", value->valuestring);
 717                                         }
 718                                     }
 719                                     log_add(2, "\n");
 720
 721                                     framework_config.datastore_generate.restrict_schema_count++;
 722                                 }
 723                             }
 724                         }
 725                     }
 726                 }
 727             }
 728
 729             main_node = cJSON_GetObjectItem(json, "datastore-populate-rules");
 730             if(main_node) {
 731                 node = cJSON_GetObjectItem(main_node, "random-generation-enabled");
 732                 if(node) {
 733                     framework_config.datastore_populate.random_generation_enabled = node->valueint;
 734                     log_add_verbose(2, "[framework-config] setting datastore-populate-rules/random-generation-enabled: %d\n", framework_config.datastore_populate.random_generation_enabled);
 735                 }
 736                 else {
 737                     log_add_verbose(2, "[framework-config] setting datastore-populate-rules/random-generation-enabled: %d [default value]\n", framework_config.datastore_populate.random_generation_enabled);
 738                 }
 739
 740                 node = cJSON_GetObjectItem(main_node, "pre-generated-operational-data");
 741                 if(node) {
 742                     if(cJSON_IsArray(node)) {
 743                         cJSON *element;
 744                         cJSON_ArrayForEach(element, node) {
 745                             if(cJSON_IsString(element)) {
 746                                 log_add_verbose(2, "[framework-config] adding datastore-populate-rules/pre-generated-operational-data: %s\n", element->valuestring);
 747                                 framework_config.datastore_populate.preg_operational = (char **)realloc(framework_config.datastore_populate.preg_operational, sizeof(char*) * (framework_config.datastore_populate.preg_operational_count + 1));
 748                                 if(!framework_config.datastore_populate.preg_operational) {
 749                                     log_error("[framework-config] bad realloc\n");
 750                                 }
 751                                 framework_config.datastore_populate.preg_operational[framework_config.datastore_populate.preg_operational_count] = (char *)malloc(sizeof(char) * (strlen(element->valuestring) + 1));
 752                                 if(!framework_config.datastore_populate.preg_operational[framework_config.datastore_populate.preg_operational_count]) {
 753                                     log_error("[framework-config] bad malloc\n");
 754                                 }
 755                                 strcpy(framework_config.datastore_populate.preg_operational[framework_config.datastore_populate.preg_operational_count], element->valuestring);
 756                                 framework_config.datastore_populate.preg_operational_count++;
 757                             }
 758                         }
 759                     }
 760                 }
 761
 762                 node = cJSON_GetObjectItem(main_node, "pre-generated-running-data");
 763                 if(node) {
 764                     if(cJSON_IsArray(node)) {
 765                         cJSON *element;
 766                         cJSON_ArrayForEach(element, node) {
 767                             if(cJSON_IsString(element)) {
 768                                 log_add_verbose(2, "[framework-config] adding datastore-populate-rules/pre-generated-running-data: %s\n", element->valuestring);
 769                                 framework_config.datastore_populate.preg_running = (char **)realloc(framework_config.datastore_populate.preg_running, sizeof(char*) * (framework_config.datastore_populate.preg_running_count + 1));
 770                                 if(!framework_config.datastore_populate.preg_running) {
 771                                     log_error("[framework-config] bad realloc\n");
 772                                 }
 773                                 framework_config.datastore_populate.preg_running[framework_config.datastore_populate.preg_running_count] = (char *)malloc(sizeof(char) * (strlen(element->valuestring) + 1));
 774                                 if(!framework_config.datastore_populate.preg_running[framework_config.datastore_populate.preg_running_count]) {
 775                                     log_error("[framework-config] bad malloc\n");
 776                                 }
 777                                 strcpy(framework_config.datastore_populate.preg_running[framework_config.datastore_populate.preg_running_count], element->valuestring);
 778                                 framework_config.datastore_populate.preg_running_count++;
 779                             }
 780                         }
 781                     }
 782                 }
 783
 784             }
 785         }
 786
 787         cJSON_Delete(json);
 788
 789     }
 790     log_add_verbose(2, "[framework-config] finished parsing config.json\n");
 791
 792     return NTS_ERR_OK;
 793 }
 794
 795 void framework_free(void) {
 796     log_add_verbose(2, "[framework-config] framework_free()... ");
 797
 798     signal(SIGINT, 0);
 799     signal(SIGTERM, 0);
 800     signal(SIGQUIT, 0);
 801
 802     free((char *)argp_program_version);
 803     argp_program_version = 0;
 804
 805     free(framework_environment.nts.version);
 806     free(framework_environment.nts.build_time);
 807     free(framework_environment.nts.function_type);
 808     free(framework_environment.nts.nf_standalone_start_features);
 809     free(framework_environment.nts.nf_mount_point_addressing_method);
 810     free(framework_environment.settings.ip_v4);
 811     free(framework_environment.settings.ip_v6);
 812     free(framework_environment.settings.docker_engine_version);
 813     free(framework_environment.settings.docker_repository);
 814     free(framework_environment.settings.hostname);
 815     free(framework_environment.host.ip);
 816     free(framework_environment.sdn_controller.protocol);
 817     free(framework_environment.sdn_controller.ip);
 818     free(framework_environment.sdn_controller.username);
 819     free(framework_environment.sdn_controller.password);
 820     free(framework_environment.ves_endpoint.common_header_version);
 821     free(framework_environment.ves_endpoint.protocol);
 822     free(framework_environment.ves_endpoint.ip);
 823     free(framework_environment.ves_endpoint.auth_method);
 824     free(framework_environment.ves_endpoint.username);
 825     free(framework_environment.ves_endpoint.password);
 826     free(framework_environment.ves_endpoint.certificate);
 827
 828     free(framework_arguments.print_structure_xpath);
 829     framework_arguments.print_structure_xpath = 0;
 830
 831     for(int i = 0; i < framework_config.supervisor.rules_count; i++) {
 832         free(framework_config.supervisor.rules[i].name);
 833         free(framework_config.supervisor.rules[i].path);
 834         for(int j = 0; j < framework_config.supervisor.rules[i].args_count; j++) {
 835             free(framework_config.supervisor.rules[i].args[j]);
 836         }
 837         free(framework_config.supervisor.rules[i].args);
 838         free(framework_config.supervisor.rules[i].stdout_path);
 839         free(framework_config.supervisor.rules[i].stderr_path);
 840     }
 841
 842     free(framework_config.supervisor.rules);
 843
 844     for(int i = 0; i < framework_config.docker.excluded_modules_count; i++) {
 845         free(framework_config.docker.excluded_modules[i]);
 846     }
 847     free(framework_config.docker.excluded_modules);
 848
 849     for(int i = 0; i < framework_config.docker.excluded_features_count; i++) {
 850         free(framework_config.docker.excluded_features[i]);
 851     }
 852     free(framework_config.docker.excluded_features);
 853
 854     for(int i = 0; i < framework_config.datastore_generate.excluded_modules_count; i++) {
 855         free(framework_config.datastore_generate.excluded_modules[i]);
 856     }
 857     free(framework_config.datastore_generate.excluded_modules);
 858
 859
 860     for(int i = 0; i < framework_config.datastore_generate.custom_list_instances_count; i++) {
 861         free(framework_config.datastore_generate.custom_list_instances[i].path);
 862
 863     }
 864     free(framework_config.datastore_generate.custom_list_instances);
 865
 866     for(int i = 0; i < framework_config.datastore_generate.restrict_schema_count; i++) {
 867         free(framework_config.datastore_generate.restrict_schema[i].path);
 868         for(int j = 0; j < framework_config.datastore_generate.restrict_schema[i].values_count; j++) {
 869             free(framework_config.datastore_generate.restrict_schema[i].values[j]);
 870         }
 871         free(framework_config.datastore_generate.restrict_schema[i].values);
 872     }
 873     free(framework_config.datastore_generate.restrict_schema);
 874
 875     for(int i = 0; i < framework_config.datastore_populate.preg_operational_count; i++) {
 876         free(framework_config.datastore_populate.preg_operational[i]);
 877     }
 878     free(framework_config.datastore_populate.preg_operational);
 879
 880     for(int i = 0; i < framework_config.datastore_populate.preg_running_count; i++) {
 881         free(framework_config.datastore_populate.preg_running[i]);
 882     }
 883     free(framework_config.datastore_populate.preg_running);
 884
 885
 886     log_add(2, "done\n");
 887     log_close();
 888 }
 889
 890 static void framework_signal_handler(int signo) {
 891     framework_sigint = 1;
 892 }
 893
 894 static error_t parse_opt(int key, char *arg, struct argp_state *state) {
 895     framework_arguments_t *iter_arguments = state->input;
 896     switch (key) {
 897         case 'i':
 898             iter_arguments->nts_mode = NTS_MODE_CONTAINER_INIT;
 899             break;
 900
 901         case 's':
 902             iter_arguments->nts_mode = NTS_MODE_SUPERVISOR;
 903             break;
 904
 905         case 'm':
 906             iter_arguments->nts_mode = NTS_MODE_MANAGER;
 907             break;
 908
 909         case 'f':
 910             iter_arguments->nts_mode = NTS_MODE_NETWORK_FUNCTION;
 911             break;
 912
 913         case 'b':
 914             iter_arguments->nts_mode = NTS_MODE_BLANK;
 915             break;
 916
 917         case 'g':
 918             iter_arguments->nts_mode = NTS_MODE_GENERATE_DATA;
 919             break;
 920
 921         case 't':
 922             iter_arguments->nts_mode = NTS_MODE_TEST;
 923             break;
 924
 925         case 'r':
 926             iter_arguments->no_rand = true;
 927             framework_arguments.fixed_seed = 0;
 928             int i = 0;
 929             while(arg[i]) {
 930                 framework_arguments.fixed_seed *= 10;
 931                 framework_arguments.fixed_seed += arg[i] - '0';
 932                 i++;
 933             }
 934             break;
 935
 936         case 'v':
 937             iter_arguments->verbosity_level = arg[0] - '0';
 938             break;
 939
 940         case 'w':
 941             chdir(arg);
 942             break;
 943
 944         case '1':
 945             iter_arguments->print_root_paths = true;
 946             break;
 947
 948         case '2':
 949             iter_arguments->print_structure_xpath = (char *)malloc(sizeof(char) * (strlen(arg) + 1));
 950             if(!iter_arguments->print_structure_xpath) {
 951                 log_error("[framework-arg] bad malloc\n");
 952                 return 1;
 953             }
 954             strcpy(iter_arguments->print_structure_xpath, arg);
 955             if(arg[strlen(arg) - 1] == '/') {
 956                 iter_arguments->print_structure_xpath[strlen(arg) - 1] = 0;
 957             }
 958             break;
 959
 960         case ARGP_KEY_ARG:
 961             if (state->arg_num >= 2) {
 962                 argp_usage(state);
 963             }
 964             break;
 965
 966         case ARGP_KEY_END:
 967
 968             break;
 969
 970         default:
 971             return ARGP_ERR_UNKNOWN;
 972     }
 973
 974     return 0;
 975 }