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openairinterface5g/openair2/UTIL/OCG/OCG.c
T
Navid Nikaein 65c84039ad * Update license and header files 
git-svn-id: http://svn.eurecom.fr/openair4G/trunk@5578 818b1a75-f10b-46b9-bf7c-635c3b92a50f
2014-07-22 13:43:51 +00:00

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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@eurecom.fr
Address : Eurecom, Compus SophiaTech 450, route des chappes, 06451 Biot, France.
*******************************************************************************/
/*! \file OCG.c
* \brief Main function containing the FSM of OCG
* \author Navid Nikaein and Lusheng Wang
* \date 2011
* \version 0.1
* \company Eurecom
* \email: navid.nikaein@eurecom.fr
* \note
* \warning
*/
/*--- INCLUDES ---------------------------------------------------------------*/
#include <libxml/tree.h>
#include <libxml/parser.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/stat.h>
#include <math.h>
#include "OCG.h"
#include "OCG_vars.h"
#include "OCG_detect_file.h"
#include "OCG_parse_filename.h"
#include "OCG_create_dir.h"
#include "OCG_parse_XML.h"
#include "OCG_save_XML.h"
#include "OCG_generate_report.h"
#include "UTIL/LOG/log.h"
/*----------------------------------------------------------------------------*/
//#define TEST_OCG
#ifdef TEST_OCG
int main(int argc, char *argv[]) {
#else
int OCG_main(char is_local_server[FILENAME_LENGTH_MAX]) {
#endif
int state = STATE_START_OCG;
char web_XML_folder[DIR_LENGTH_MAX] = "";
char output_dir[DIR_LENGTH_MAX] = ""; // the output folder during the OCG procedure. Change step by step
char *OPENAIR_TARGETS=getenv("OPENAIR_TARGETS");
if (OPENAIR_TARGETS == NULL) {
LOG_E(OCG, "please set the PATH for OPENAIR_TARGETS");
exit(EXIT_FAILURE);
}
if (!strcmp(is_local_server, "0")) { // Eurecom web server
strcpy(web_XML_folder, WEB_XML_FOLDER);
strcat(output_dir, OUTPUT_DIR);
} else { // local user
sprintf(web_XML_folder,"%s/SIMU/EXAMPLES/OSD/WEBXML/",getenv("OPENAIR_TARGETS"));
sprintf(output_dir,"%s/SIMU/EXAMPLES/OSD/RESULTS/",getenv("OPENAIR_TARGETS"));
/*
strcpy(web_XML_folder, OPENAIR_TARGETS);
strcpy(output_dir, OPENAIR_TARGETS);
char *slash;
slash = web_XML_folder + strlen(web_XML_folder) - 1;
if (strcmp(slash, "/")) { // check if the path OPENAIR_TARGETS is ended with a '/'
strcat(web_XML_folder, "/");
strcat(output_dir, "/");
}
strcat(web_XML_folder, "SIMU/EXAMPLES/OSD/WEBXML/");
strcat(output_dir, "SIMU/EXAMPLES/OSD/RESULTS/");
*/ }
LOG_I(OCG, "Folder for detecting the XML configuration file is %s\n", web_XML_folder);
LOG_I(OCG, "Folder for generating the results is %s\n", output_dir);
LOG_I(OCG, "OSD XML config file is %s\n", is_local_server);
while(state != STATE_END) {
switch(state) {
case STATE_START_OCG :
LOG_I(OCG, "OCG starts ...\n\n");
get_opt_OK = MODULE_NOT_PROCESSED; // -9999 is the initial value, representing the module not processed
detect_file_OK = MODULE_NOT_PROCESSED;
create_dir_OK = MODULE_NOT_PROCESSED;
// to write the pid into a file 'OCG.pid' so that the web portal part could check if OCG is running
/*
pid_t pid;
pid = getpid();
FILE *OCG_pid;
OCG_pid = fopen("OCG.pid", "w");
fprintf(OCG_pid, "%d\n", pid);
fclose(OCG_pid);
*/
#ifdef TEST_OCG
state = STATE_GET_OPT;
case STATE_GET_OPT :
get_opt_OK = get_opt(argc, argv);
if (get_opt_OK == MODULE_OK) {
strcpy(src_file, LOCAL_XML_FOLDER);
copy_or_move = 1;
state = STATE_INI_EMU;
} else if (get_opt_OK == GET_HELP) state = STATE_END;
else state = STATE_DETECT_FILE;
break;
#else
state = STATE_DETECT_FILE;
//get_opt_OK == MODULE_OK;
#endif
case STATE_DETECT_FILE :
strcpy(src_file, web_XML_folder);
detect_file_OK = detect_file(src_file, is_local_server);
if (detect_file_OK == MODULE_OK) {
if ((!strcmp(is_local_server, "0")) || (!strcmp(is_local_server, "-1"))) copy_or_move = 2;
state = STATE_INI_EMU;
} else if (detect_file_OK == MODULE_ERROR) state = STATE_GENERATE_REPORT;
else if (detect_file_OK == NO_FILE) {
state = STATE_DETECT_FILE;
sleep(1);
}
break;
case STATE_INI_EMU : // before initiating an emu, an XML file should be found above
parse_filename_OK = MODULE_NOT_PROCESSED;
create_dir_OK = MODULE_NOT_PROCESSED;
parse_XML_OK = MODULE_NOT_PROCESSED;
save_XML_OK = MODULE_NOT_PROCESSED;
// call_emu_OK = MODULE_NOT_PROCESSED;
//config_mobi_OK = MODULE_NOT_PROCESSED;
generate_report_OK = MODULE_NOT_PROCESSED;
LOG_I(OCG, "An emulation for file %s is initiated\n", filename);
state = STATE_PARSE_FILENAME;
break;
case STATE_PARSE_FILENAME :
strcat(src_file, filename);
if ((parse_filename_OK = parse_filename(filename)) == MODULE_OK) state = STATE_CREATE_DIR;
else {
if (copy_or_move == 2) {
remove(src_file);
state = STATE_DETECT_FILE;
} else state = STATE_GENERATE_REPORT;
}
break;
case STATE_CREATE_DIR :
if ((create_dir_OK = create_dir(output_dir, user_name, file_date)) == MODULE_OK) {
state = STATE_PARSE_XML;
strcat(output_dir, user_name);
strcat(output_dir, "/");
strcat(output_dir, file_date);
strcat(output_dir, "/");
strcpy(dst_dir, output_dir);
oai_emulation.info.output_path = &dst_dir; // information for other modules within OAI
} else state = STATE_GENERATE_REPORT;
break;
case STATE_PARSE_XML :
if ((parse_XML_OK = parse_XML(src_file)) == MODULE_OK) state = STATE_SAVE_XML;
else {
if (copy_or_move == 2) remove(src_file);
state = STATE_GENERATE_REPORT;
}
break;
case STATE_SAVE_XML :
if ((save_XML_OK = save_XML(copy_or_move, src_file, output_dir, filename)) == MODULE_OK)
state = STATE_CALL_EMU;
else state = STATE_GENERATE_REPORT;
break;
case STATE_CALL_EMU : // change this state to set_params
if ((detect_file_OK == MODULE_OK) && (parse_filename_OK == MODULE_OK) && (create_dir_OK == MODULE_OK) && (parse_XML_OK == MODULE_OK) && (save_XML_OK == MODULE_OK)) {
// if the above tasks are all successful, we could tell the oaisim_config.c that everything is ready before running the emulation
oai_emulation.info.ocg_ok = 1;
}
#ifdef TEST_OCG
call_emu_OK = call_emu(output_dir);
// config_mobi_OK = config_mobi("RWMEmulator.xml", filename); // generate the XML for Mobigen
#endif
state = STATE_GENERATE_REPORT;
break;
case STATE_GENERATE_REPORT :
if (create_dir_OK != MODULE_OK) {
// a temp folder is required when the output folder could not be correctly generated
strcpy(output_dir, OPENAIR_TARGETS);
strcat(output_dir, "SIMU/EXAMPLES/OSD/");
strcat(output_dir, TEMP_OUTPUT_DIR);
struct stat st;
if(stat(output_dir, &st) != 0) { // if temp output directory does not exist, we create it here
mkdir(output_dir, S_IRWXU | S_IRWXG | S_IRWXO);
LOG_I(OCG, "temp output directory %s is created", output_dir);
}
} else {
//strcat(output_dir, "SCENARIO/STATE/"); // if needeed the outpur directory can be further set
LOG_I(OCG, "Output directory is %s \n", output_dir);
}
generate_report(output_dir, "OCG_report.xml");
if (copy_or_move == 1) state = STATE_END;
else state = STATE_END;
//else state = STATE_DETECT_FILE;
break;
}
} // end while
// Cleanup function for the XML library.
xmlCleanupParser();
// this is to debug memory for regression tests
xmlMemoryDump();
LOG_I(OCG, "... OCG ends\n\n");
#ifdef TEST_OCG
return 0;
#else
return 1;
#endif
}
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