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1f34bfa1a428d996bd4a1b964d6377f1aa2be236
openairinterface5g/openair3/TEST/EPC_TEST/generate_scenario.c
T
gauthier 1f34bfa1a4 TBD: generate scenario
2015-10-07 18:53:56 +02:00

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/*******************************************************************************
OpenAirInterface
Copyright(c) 1999 - 2014 Eurecom
OpenAirInterface is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
OpenAirInterface is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with OpenAirInterface.The full GNU General Public License is
included in this distribution in the file called "COPYING". If not,
see <http://www.gnu.org/licenses/>.
Contact Information
OpenAirInterface Admin: openair_admin@eurecom.fr
OpenAirInterface Tech : openair_tech@eurecom.fr
OpenAirInterface Dev : openair4g-devel@lists.eurecom.fr
Address : Eurecom, Campus SophiaTech, 450 Route des Chappes, CS 50193 - 06904 Biot Sophia Antipolis cedex, FRANCE
*******************************************************************************/
/*
generate_scenario.c
-------------------
AUTHOR : Lionel GAUTHIER
COMPANY : EURECOM
EMAIL : Lionel.Gauthier@eurecom.fr
*/
#include <string.h>
#include <libconfig.h>
#include <inttypes.h>
#include <getopt.h>
#include <libgen.h>
#include <unistd.h>
#include <errno.h>
#include <fcntl.h>
#include "assertions.h"
#include "generate_scenario.h"
#include "s1ap_eNB.h"
#if defined(ENABLE_ITTI)
# include "intertask_interface.h"
#endif
#define ENB_CONFIG_STRING_ACTIVE_ENBS "Active_eNBs"
#define ENB_CONFIG_STRING_ENB_LIST "eNBs"
#define ENB_CONFIG_STRING_ENB_ID "eNB_ID"
#define ENB_CONFIG_STRING_CELL_TYPE "cell_type"
#define ENB_CONFIG_STRING_ENB_NAME "eNB_name"
#define ENB_CONFIG_STRING_TRACKING_AREA_CODE "tracking_area_code"
#define ENB_CONFIG_STRING_MOBILE_COUNTRY_CODE "mobile_country_code"
#define ENB_CONFIG_STRING_MOBILE_NETWORK_CODE "mobile_network_code"
#define ENB_CONFIG_STRING_MME_IP_ADDRESS "mme_ip_address"
#define ENB_CONFIG_STRING_MME_IPV4_ADDRESS "ipv4"
#define ENB_CONFIG_STRING_MME_IPV6_ADDRESS "ipv6"
#define ENB_CONFIG_STRING_MME_IP_ADDRESS_ACTIVE "active"
#define ENB_CONFIG_STRING_MME_IP_ADDRESS_PREFERENCE "preference"
#define ENB_CONFIG_STRING_SCTP_CONFIG "SCTP"
#define ENB_CONFIG_STRING_SCTP_INSTREAMS "SCTP_INSTREAMS"
#define ENB_CONFIG_STRING_SCTP_OUTSTREAMS "SCTP_OUTSTREAMS"
#define ENB_CONFIG_STRING_NETWORK_INTERFACES_CONFIG "NETWORK_INTERFACES"
#define ENB_CONFIG_STRING_ENB_INTERFACE_NAME_FOR_S1_MME "ENB_INTERFACE_NAME_FOR_S1_MME"
#define ENB_CONFIG_STRING_ENB_IPV4_ADDRESS_FOR_S1_MME "ENB_IPV4_ADDRESS_FOR_S1_MME"
#define ENB_CONFIG_STRING_ENB_INTERFACE_NAME_FOR_S1U "ENB_INTERFACE_NAME_FOR_S1U"
#define ENB_CONFIG_STRING_ENB_IPV4_ADDR_FOR_S1U "ENB_IPV4_ADDRESS_FOR_S1U"
#define ENB_CONFIG_STRING_ENB_PORT_FOR_S1U "ENB_PORT_FOR_S1U"
#define ENB_CONFIG_PROPERTIES_INDEX_OLD 0
#define ENB_CONFIG_PROPERTIES_INDEX_NEW 1
Enb_properties_array_t g_enb_properties[2];
char *g_test_dir = "."; // default value
char *g_pdml_in_basename = "trace.pdml"; // default value
//------------------------------------------------------------------------------
void generate_scenario(const char const * pdml_in_basenameP)
//------------------------------------------------------------------------------
{
int fd_pdml_in;
if (chdir(g_test_dir) == 0) {
printf( "working in %s directory\n", g_test_dir);
fd_pdml_in = open(pdml_in_basenameP, O_RDONLY);
AssertFatal (fd_pdml_in > 0,
"Error while opening %s file in directory %s\n",
pdml_in_basenameP,
g_test_dir);
} else {
printf("Error: chdir %s returned %s\n", g_test_dir, strerror(errno));
exit(-1);
}
}
//------------------------------------------------------------------------------
static void enb_config_display(const boolean_t new_config_fileP)
//------------------------------------------------------------------------------
{
int i;
printf( "\n----------------------------------------------------------------------\n");
printf( " %s ENB CONFIG FILE CONTENT LOADED:\n", new_config_fileP == ENB_CONFIG_PROPERTIES_INDEX_OLD ? "Old":"New");
printf( "----------------------------------------------------------------------\n");
for (i = 0; i < g_enb_properties[new_config_fileP].number; i++) {
printf( "ENB CONFIG for instance %u:\n\n", i);
printf( "\teNB name: \t%s\n",g_enb_properties[new_config_fileP].properties[i]->eNB_name);
printf( "\teNB ID: \t%"PRIu32"\n",g_enb_properties[new_config_fileP].properties[i]->eNB_id);
printf( "\tCell type: \t%s\n",g_enb_properties[new_config_fileP].properties[i]->cell_type == CELL_MACRO_ENB ? "CELL_MACRO_ENB":"CELL_HOME_ENB");
printf( "\tTAC: \t%"PRIu16"\n",g_enb_properties[new_config_fileP].properties[i]->tac);
printf( "\tMCC: \t%"PRIu16"\n",g_enb_properties[new_config_fileP].properties[i]->mcc);
if (g_enb_properties[new_config_fileP].properties[i]->mnc_digit_length == 3) {
printf( "\tMNC: \t%03"PRIu16"\n",g_enb_properties[new_config_fileP].properties[i]->mnc);
} else {
printf( "\tMNC: \t%02"PRIu16"\n",g_enb_properties[new_config_fileP].properties[i]->mnc);
}
printf( "\n--------------------------------------------------------\n");
}
}
#ifdef LIBCONFIG_LONG
#define libconfig_int long
#else
#define libconfig_int int
#endif
//------------------------------------------------------------------------------
void enb_config_init(const char const * lib_config_file_name_pP, const boolean_t new_config_fileP)
//------------------------------------------------------------------------------
{
config_t cfg;
config_setting_t *setting = NULL;
config_setting_t *subsetting = NULL;
config_setting_t *setting_mme_addresses = NULL;
config_setting_t *setting_mme_address = NULL;
config_setting_t *setting_enb = NULL;
int num_enb_properties = 0;
int enb_properties_index = 0;
int num_enbs = 0;
int num_mme_address = 0;
int i = 0;
int j = 0;
int parse_errors = 0;
libconfig_int enb_id = 0;
const char* cell_type = NULL;
const char* tac = 0;
const char* enb_name = NULL;
const char* mcc = 0;
const char* mnc = 0;
char* ipv4 = NULL;
char* ipv6 = NULL;
char* active = NULL;
char* preference = NULL;
const char* active_enb[EPC_TEST_SCENARIO_MAX_ENB];
char* enb_interface_name_for_S1U = NULL;
char* enb_ipv4_address_for_S1U = NULL;
libconfig_int enb_port_for_S1U = 0;
char* enb_interface_name_for_S1_MME = NULL;
char* enb_ipv4_address_for_S1_MME = NULL;
char *address = NULL;
char *cidr = NULL;
AssertFatal ((new_config_fileP == 0) || (new_config_fileP == 1),
"Bad parameter new_config_fileP %d \n",
new_config_fileP);
AssertFatal (lib_config_file_name_pP != NULL,
"Bad parameter lib_config_file_name_pP %s , must reference a valid eNB config file\n",
lib_config_file_name_pP);
memset((char*)active_enb, 0 , EPC_TEST_SCENARIO_MAX_ENB * sizeof(char*));
config_init(&cfg);
/* Read the file. If there is an error, report it and exit. */
if (! config_read_file(&cfg, lib_config_file_name_pP)) {
config_destroy(&cfg);
AssertFatal (0, "Failed to parse eNB configuration file %s!\n", lib_config_file_name_pP);
}
// Get list of active eNBs, (only these will be configured)
setting = config_lookup(&cfg, ENB_CONFIG_STRING_ACTIVE_ENBS);
if (setting != NULL) {
num_enbs = config_setting_length(setting);
for (i = 0; i < num_enbs; i++) {
setting_enb = config_setting_get_elem(setting, i);
active_enb[i] = config_setting_get_string (setting_enb);
AssertFatal (active_enb[i] != NULL,
"Failed to parse config file %s, %uth attribute %s \n",
lib_config_file_name_pP, i, ENB_CONFIG_STRING_ACTIVE_ENBS);
active_enb[i] = strdup(active_enb[i]);
num_enb_properties += 1;
}
}
/* Output a list of all eNBs. */
setting = config_lookup(&cfg, ENB_CONFIG_STRING_ENB_LIST);
if (setting != NULL) {
enb_properties_index = g_enb_properties[new_config_fileP].number;
parse_errors = 0;
num_enbs = config_setting_length(setting);
for (i = 0; i < num_enbs; i++) {
setting_enb = config_setting_get_elem(setting, i);
if (! config_setting_lookup_int(setting_enb, ENB_CONFIG_STRING_ENB_ID, &enb_id)) {
/* Calculate a default eNB ID */
# if defined(ENABLE_USE_MME)
uint32_t hash;
hash = s1ap_generate_eNB_id ();
enb_id = i + (hash & 0xFFFF8);
# else
enb_id = i;
# endif
}
if ( !( config_setting_lookup_string(setting_enb, ENB_CONFIG_STRING_CELL_TYPE, &cell_type)
&& config_setting_lookup_string(setting_enb, ENB_CONFIG_STRING_ENB_NAME, &enb_name)
&& config_setting_lookup_string(setting_enb, ENB_CONFIG_STRING_TRACKING_AREA_CODE, &tac)
&& config_setting_lookup_string(setting_enb, ENB_CONFIG_STRING_MOBILE_COUNTRY_CODE, &mcc)
&& config_setting_lookup_string(setting_enb, ENB_CONFIG_STRING_MOBILE_NETWORK_CODE, &mnc)
)
) {
AssertError (0, parse_errors ++,
"Failed to parse eNB configuration file %s, %u th enb\n",
lib_config_file_name_pP, i);
continue; // FIXME this prevents segfaults below, not sure what happens after function exit
}
// search if in active list
for (j=0; j < num_enb_properties; j++) {
if (strcmp(active_enb[j], enb_name) == 0) {
g_enb_properties[new_config_fileP].properties[enb_properties_index] = calloc(1, sizeof(Enb_properties_t));
g_enb_properties[new_config_fileP].properties[enb_properties_index]->eNB_id = enb_id;
if (strcmp(cell_type, "CELL_MACRO_ENB") == 0) {
g_enb_properties[new_config_fileP].properties[enb_properties_index]->cell_type = CELL_MACRO_ENB;
} else if (strcmp(cell_type, "CELL_HOME_ENB") == 0) {
g_enb_properties[new_config_fileP].properties[enb_properties_index]->cell_type = CELL_HOME_ENB;
} else {
AssertError (0, parse_errors ++,
"Failed to parse eNB configuration file %s, enb %d unknown value \"%s\" for cell_type choice: CELL_MACRO_ENB or CELL_HOME_ENB !\n",
lib_config_file_name_pP, i, cell_type);
}
g_enb_properties[new_config_fileP].properties[enb_properties_index]->eNB_name = strdup(enb_name);
g_enb_properties[new_config_fileP].properties[enb_properties_index]->tac = (uint16_t)atoi(tac);
g_enb_properties[new_config_fileP].properties[enb_properties_index]->mcc = (uint16_t)atoi(mcc);
g_enb_properties[new_config_fileP].properties[enb_properties_index]->mnc = (uint16_t)atoi(mnc);
g_enb_properties[new_config_fileP].properties[enb_properties_index]->mnc_digit_length = strlen(mnc);
AssertFatal((g_enb_properties[new_config_fileP].properties[enb_properties_index]->mnc_digit_length == 2) ||
(g_enb_properties[new_config_fileP].properties[enb_properties_index]->mnc_digit_length == 3),
"BAD MNC DIGIT LENGTH %d",
g_enb_properties[new_config_fileP].properties[i]->mnc_digit_length);
setting_mme_addresses = config_setting_get_member (setting_enb, ENB_CONFIG_STRING_MME_IP_ADDRESS);
num_mme_address = config_setting_length(setting_mme_addresses);
g_enb_properties[new_config_fileP].properties[enb_properties_index]->nb_mme = 0;
for (j = 0; j < num_mme_address; j++) {
setting_mme_address = config_setting_get_elem(setting_mme_addresses, j);
if ( !(
config_setting_lookup_string(setting_mme_address, ENB_CONFIG_STRING_MME_IPV4_ADDRESS, (const char **)&ipv4)
&& config_setting_lookup_string(setting_mme_address, ENB_CONFIG_STRING_MME_IPV6_ADDRESS, (const char **)&ipv6)
&& config_setting_lookup_string(setting_mme_address, ENB_CONFIG_STRING_MME_IP_ADDRESS_ACTIVE, (const char **)&active)
&& config_setting_lookup_string(setting_mme_address, ENB_CONFIG_STRING_MME_IP_ADDRESS_PREFERENCE, (const char **)&preference)
)
) {
AssertError (0, parse_errors ++,
"Failed to parse eNB configuration file %s, %u th enb %u th mme address !\n",
lib_config_file_name_pP, i, j);
continue; // FIXME will prevent segfaults below, not sure what happens at function exit...
}
g_enb_properties[new_config_fileP].properties[enb_properties_index]->nb_mme += 1;
g_enb_properties[new_config_fileP].properties[enb_properties_index]->mme_ip_address[j].ipv4_address = strdup(ipv4);
g_enb_properties[new_config_fileP].properties[enb_properties_index]->mme_ip_address[j].ipv6_address = strdup(ipv6);
if (strcmp(active, "yes") == 0) {
g_enb_properties[new_config_fileP].properties[enb_properties_index]->mme_ip_address[j].active = 1;
} // else { (calloc)
if (strcmp(preference, "ipv4") == 0) {
g_enb_properties[new_config_fileP].properties[enb_properties_index]->mme_ip_address[j].ipv4 = 1;
} else if (strcmp(preference, "ipv6") == 0) {
g_enb_properties[new_config_fileP].properties[enb_properties_index]->mme_ip_address[j].ipv6 = 1;
} else if (strcmp(preference, "no") == 0) {
g_enb_properties[new_config_fileP].properties[enb_properties_index]->mme_ip_address[j].ipv4 = 1;
g_enb_properties[new_config_fileP].properties[enb_properties_index]->mme_ip_address[j].ipv6 = 1;
}
}
// NETWORK_INTERFACES
subsetting = config_setting_get_member (setting_enb, ENB_CONFIG_STRING_NETWORK_INTERFACES_CONFIG);
if (subsetting != NULL) {
if ( (
config_setting_lookup_string( subsetting, ENB_CONFIG_STRING_ENB_INTERFACE_NAME_FOR_S1_MME,
(const char **)&enb_interface_name_for_S1_MME)
&& config_setting_lookup_string( subsetting, ENB_CONFIG_STRING_ENB_IPV4_ADDRESS_FOR_S1_MME,
(const char **)&enb_ipv4_address_for_S1_MME)
&& config_setting_lookup_string( subsetting, ENB_CONFIG_STRING_ENB_INTERFACE_NAME_FOR_S1U,
(const char **)&enb_interface_name_for_S1U)
&& config_setting_lookup_string( subsetting, ENB_CONFIG_STRING_ENB_IPV4_ADDR_FOR_S1U,
(const char **)&enb_ipv4_address_for_S1U)
&& config_setting_lookup_int(subsetting, ENB_CONFIG_STRING_ENB_PORT_FOR_S1U,
&enb_port_for_S1U)
)
) {
g_enb_properties[new_config_fileP].properties[enb_properties_index]->enb_interface_name_for_S1U = strdup(enb_interface_name_for_S1U);
cidr = enb_ipv4_address_for_S1U;
address = strtok(cidr, "/");
if (address) {
IPV4_STR_ADDR_TO_INT_NWBO ( address, g_enb_properties[new_config_fileP].properties[enb_properties_index]->enb_ipv4_address_for_S1U, "BAD IP ADDRESS FORMAT FOR eNB S1_U !\n" );
}
g_enb_properties[new_config_fileP].properties[enb_properties_index]->enb_port_for_S1U = enb_port_for_S1U;
g_enb_properties[new_config_fileP].properties[enb_properties_index]->enb_interface_name_for_S1_MME = strdup(enb_interface_name_for_S1_MME);
cidr = enb_ipv4_address_for_S1_MME;
address = strtok(cidr, "/");
if (address) {
IPV4_STR_ADDR_TO_INT_NWBO ( address, g_enb_properties[new_config_fileP].properties[enb_properties_index]->enb_ipv4_address_for_S1_MME, "BAD IP ADDRESS FORMAT FOR eNB S1_MME !\n" );
}
}
} // if (subsetting != NULL) {
enb_properties_index += 1;
} // if (strcmp(active_enb[j], enb_name) == 0)
} // for (j=0; j < num_enb_properties; j++)
} // for (i = 0; i < num_enbs; i++)
} // if (setting != NULL) {
g_enb_properties[new_config_fileP].number += num_enb_properties;
AssertFatal (parse_errors == 0,
"Failed to parse eNB configuration file %s, found %d error%s !\n",
lib_config_file_name_pP, parse_errors, parse_errors > 1 ? "s" : "");
}
//------------------------------------------------------------------------------
static void usage (
int argc,
char *argv[])
//------------------------------------------------------------------------------
{
fprintf (stdout, "Please report any bug to: openair4g-devel@lists.eurecom.fr\n\n");
fprintf (stdout, "Usage: %s [options]\n\n", argv[0]);
fprintf (stdout, "Available options:\n");
fprintf (stdout, "\t--help, -h Print this help and return\n");
fprintf (stdout, "\t--new-enb-conf-file <file>\n");
fprintf (stdout, " Provide an updated eNB config file for generating a copy of the original test\n");
fprintf (stdout, " This option is set as many times as there are some eNB config files in the original test\n");
fprintf (stdout, "\t--old-enb-conf-file <file>\n");
fprintf (stdout, " Provide the old eNB config file for generating a copy of the original test\n");
fprintf (stdout, " This option is set as many times as there are some eNB config files in the original test\n");
}
//------------------------------------------------------------------------------
int
config_parse_opt_line (
int argc,
char *argv[])
//------------------------------------------------------------------------------
{
int option;
char *enb_config_file_name = NULL;
enum long_option_e {
LONG_OPTION_START = 0x100, /* Start after regular single char options */
LONG_OPTION_NEW_ENB_CONF_FILE,
LONG_OPTION_OLD_ENB_CONF_FILE,
LONG_OPTION_PDML_IN_BASENAME,
LONG_OPTION_HELP,
};
static struct option long_options[] = {
{"old-enb-conf-file", required_argument, 0, LONG_OPTION_OLD_ENB_CONF_FILE},
{"new-enb-conf-file", required_argument, 0, LONG_OPTION_NEW_ENB_CONF_FILE},
{"pdml_in_basename", required_argument, 0, LONG_OPTION_PDML_IN_BASENAME},
{"help", required_argument, 0, LONG_OPTION_HELP},
{NULL, 0, NULL, 0}
};
/*
* Parsing command line
*/
while ((option = getopt_long (argc, argv, "hp:n:o", long_options, NULL)) != -1) {
switch (option) {
case LONG_OPTION_OLD_ENB_CONF_FILE:
case 'o':
if (optarg) {
enb_config_file_name = optarg;
printf("Old eNB config file name is %s\n", enb_config_file_name);
enb_config_init(enb_config_file_name, ENB_CONFIG_PROPERTIES_INDEX_OLD);
g_test_dir = strdup(dirname(enb_config_file_name));
}
break;
case LONG_OPTION_NEW_ENB_CONF_FILE:
case 'n':
if (optarg) {
enb_config_file_name = optarg;
printf("New eNB config file name is %s\n", enb_config_file_name);
enb_config_init(enb_config_file_name, ENB_CONFIG_PROPERTIES_INDEX_NEW);
}
break;
case LONG_OPTION_PDML_IN_BASENAME:
case 'p':
if (optarg) {
g_pdml_in_basename = strdup(optarg);
printf("PDML input file name is %s\n", g_pdml_in_basename);
}
break;
case LONG_OPTION_HELP:
case 'h':
default:
usage (argc, argv);
exit (0);
}
}
return 0;
}
//------------------------------------------------------------------------------
int main( int argc, char **argv )
//------------------------------------------------------------------------------
{
memset((char*) &g_enb_properties[ENB_CONFIG_PROPERTIES_INDEX_OLD], 0 , sizeof(g_enb_properties[ENB_CONFIG_PROPERTIES_INDEX_OLD]));
memset((char*) &g_enb_properties[ENB_CONFIG_PROPERTIES_INDEX_NEW], 0 , sizeof(g_enb_properties[ENB_CONFIG_PROPERTIES_INDEX_NEW]));
config_parse_opt_line (argc, argv); //Command-line options
enb_config_display(ENB_CONFIG_PROPERTIES_INDEX_OLD);
enb_config_display(ENB_CONFIG_PROPERTIES_INDEX_NEW);
generate_scenario(g_pdml_in_basename);
return 0;
}
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