Commit 3deef8c5 authored by Ricardo Martínez's avatar Ricardo Martínez
Browse files

Initial code release pathComputation backend (not integrated)

parent 2d6184e5

.gitignore

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@@ -155,3 +155,4 @@ cython_debug/ 


# Sqlite

*.db

/.vs

src/pathcomp/backend/Makefile

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#

# 	# Copyright 2022 Centre Tecnològic de Telecomunicacions de Catalunya (CTTC/CERCA) www.cttc.es

#

# Licensed under the Apache License, Version 2.0 (the "License");

# you may not use this file except in compliance with the License.

# You may obtain a copy of the License at

#

#     http://www.apache.org/licenses/LICENSE-2.0

#

# Unless required by applicable law or agreed to in writing, software

# distributed under the License is distributed on an "AS IS" BASIS,

# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

# See the License for the specific language governing permissions and

# limitations under the License.

#

# Author: CTTC/CERCA PONS RU Ricardo Martínez (ricardo.martinez@cttc.es)

CC            =  gcc

# FLAGS         =  -O6 -Wall -DPOSIX_SOURCE

FLAGS = -O0 -ggdb -g

CFLAGS    =  $(FLAGS) -I. -I/usr/include/glib-2.0 -I/usr/lib/x86_64-linux-gnu/glib-2.0/include/ -DDEBUG

LDLIBS    =  -lm

LDFLAGS   =   -g 



all: pathComp



pathComp: pathComp.o pathComp_log.o pathComp_cjson.o pathComp_tools.o pathComp_ksp.o pathComp_RESTapi.o 

	gcc -o pathComp pathComp.o pathComp_log.o pathComp_cjson.o pathComp_tools.o pathComp_ksp.o pathComp_RESTapi.o -L/usr/lib/x86_64-linux-gnu/ -lglib-2.0  -luuid $(LDFLAGS) $(LDLIBS)



# strip pathComp

	

pathComp_log.o: pathComp_log.h pathComp_log.c

	$(CC) $(CFLAGS) -c pathComp_log.c -o pathComp_log.o  



pathComp_cjson.o: pathComp_log.h pathComp_cjson.h pathComp_cjson.c

	$(CC) $(CFLAGS) -c pathComp_cjson.c -o pathComp_cjson.o  

	

pathComp_tools.o: pathComp_log.h pathComp_tools.h pathComp_tools.c

	$(CC) $(CFLAGS) -c pathComp_tools.c -o pathComp_tools.o  

	

pathComp_ksp.o: pathComp_log.h pathComp_tools.h pathComp_ksp.h pathComp_ksp.c

	$(CC) $(CFLAGS) -c pathComp_ksp.c -o pathComp_ksp.o

	

pathComp_RESTapi.o: pathComp_tools.h pathComp_log.h pathComp_cjson.h pathComp_ksp.h pathComp_RESTapi.h pathComp_RESTapi.c

	$(CC) $(CFLAGS) -c pathComp_RESTapi.c -o pathComp_RESTapi.o



pathComp.o: pathComp_log.h pathComp_RESTapi.h pathComp.c pathComp.h

	$(CC) $(CFLAGS) -c pathComp.c -o pathComp.o 



clean:	

	rm -f *.o pathComp
 
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src/pathcomp/backend/pathComp.c

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////////////////////////////////////////////////////////////////////////////////////////

/**

 * 	# Copyright 2022 Centre Tecnològic de Telecomunicacions de Catalunya (CTTC/CERCA) www.cttc.es

 *

 * Licensed under the Apache License, Version 2.0 (the "License");

 * you may not use this file except in compliance with the License.

 * You may obtain a copy of the License at

 *

 *     http://www.apache.org/licenses/LICENSE-2.0

 *

 * Unless required by applicable law or agreed to in writing, software

 * distributed under the License is distributed on an "AS IS" BASIS,

 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

 * See the License for the specific language governing permissions and

 * limitations under the License.



 * Author: CTTC/CERCA PONS RU Ricardo Martínez (ricardo.martinez@cttc.es)

 */

/////////////////////////////////////////////////////////////////////////////////////////



#include <stdio.h>

#include <stdlib.h> 

#include <ctype.h>

#include <sys/types.h>

#include <sys/socket.h>

#include <netinet/in.h>

#include <arpa/inet.h>

#include <string.h>

#include <unistd.h>

#include <netdb.h>

#include <glib.h>

#include <sys/time.h>



#include "pathComp_log.h"

#include "pathComp_RESTapi.h"

#include "pathComp.h"



// External Variables

FILE *logfile = NULL;



// PATH COMP IP address API Client

struct in_addr pathComp_IpAddr;



// REST API ENABLED

int RESTAPI_ENABLED = 0;



GMainLoop * loop = NULL;



////////////////////////////////////////////////////////////////////////////////////////

/**

 * 	@file pathComp.c

 * 	@brief Read the pathComp.conf file @ /etc/pathComp/

 *

 *	@author Ricardo Martínez <ricardo.martinez@cttc.es>

 *	@date 2022

 */

/////////////////////////////////////////////////////////////////////////////////////////

void read_pathComp_config_file(FILE *fp)

{

    DEBUG_PC ("Processing pathComp.conf");

    

    char buff[128], ip[128];   

    

    // READ PATH COMP SERVER IP

    memset (&pathComp_IpAddr, (int)0, sizeof (struct in_addr));

    fscanf(fp, "%s %s ", buff, ip);

	pathComp_IpAddr.s_addr = inet_addr(ip);

    DEBUG_PC("pathComp_IpAddr: %s", inet_ntoa (pathComp_IpAddr));

    memset (buff, 0, sizeof (buff));

        

    // Read REST API 

    fscanf (fp, "%s %d ", buff, &RESTAPI_ENABLED);

    if (RESTAPI_ENABLED) DEBUG_PC ("REST API: ON");

    if (RESTAPI_ENABLED == 0) DEBUG_PC ("REST API: OFF");	



    memset (buff, 0, sizeof (buff));

    DEBUG_PC ("CommandLine: %s", buff);

  

    return;

}



////////////////////////////////////////////////////////////////////////////////////////

/**

 * 	@file pathComp.c

 * 	@brief Main function for pathComp server

 *

 *	@author Ricardo Martínez <ricardo.martinez@cttc.es>

 *	@date 2022

 */

/////////////////////////////////////////////////////////////////////////////////////////

int main(int argc, char *argv[])

{     

	DEBUG_PC ("********************************************************************"); 

	DEBUG_PC ("********************************************************************");

	DEBUG_PC (" ---------------------- Path Computation Server---------------------");

	DEBUG_PC ("********************************************************************");

	DEBUG_PC ("********************************************************************"); 

	

	// processing input parameters

	if (argc == 1)

	{

		DEBUG_PC ("Arguments are missing ...");

		exit (-1);		

	}

	

	// argv[1] specifies the folder and the configuration file

	gchar configFile[50];

	strcpy (configFile, argv[1]);

	DEBUG_PC ("Path Computation Server Config File is: %s", configFile);

	

	// argv[2] specifies the folder and the log file

	gchar log[50];

	strcpy (log, argv[2]);

	DEBUG_PC ("PATH COMP log File: %s", log);	



	// open the log file	

	logfile = fopen (log, "w");

	DEBUG_PC ("log file is opened");

	

	// Read the pathComp.conf file

	FILE *pathComp_config = NULL;	

	pathComp_config = fopen (configFile, "r");

	if (pathComp_config == NULL)

	{	

		DEBUG_PC ("File error\n");

		exit (-1);

	}	

	DEBUG_PC ("pathComp_config.conf is opened");

	

	// Check if flag -d for daemonize 

	if (argc > 3)

	{

		gchar options[10];

		strcpy (options, argv[3]);

		gint ret = strcmp (options, "-d");

		if (ret == 0) daemon(0,0);

	}	

	

	// Process the config file

	read_pathComp_config_file (pathComp_config);



	DEBUG_PC ("\n ---- PATH COMP MAIN LOOP ------");

	/** Creates a new GMainLoop structure */

	loop = g_main_loop_new (NULL, FALSE);

      

	// Iff RESTAPI_ENABLED is ON

	if (RESTAPI_ENABLED)

	{

		RESTapi_init(PATH_COMP_PORT);

	}     

      

	/** execute loop */

	g_main_loop_run (loop);



	/** decrease the one reference of loop when it is finished */

	g_main_loop_unref(loop);

	loop = NULL;

    return 0;

}

src/pathcomp/backend/pathComp.h

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////////////////////////////////////////////////////////////////////////////////////////

/**

 * 	# Copyright 2022 Centre Tecnolgic de Telecomunicacions de Catalunya (CTTC/CERCA) www.cttc.es

 *

 * Licensed under the Apache License, Version 2.0 (the "License");

 * you may not use this file except in compliance with the License.

 * You may obtain a copy of the License at

 *

 *     http://www.apache.org/licenses/LICENSE-2.0

 *

 * Unless required by applicable law or agreed to in writing, software

 * distributed under the License is distributed on an "AS IS" BASIS,

 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

 * See the License for the specific language governing permissions and

 * limitations under the License.



 * Author: CTTC/CERCA PONS RU Ricardo Martnez (ricardo.martinez@cttc.es)

 */



#ifndef _PATHCOMP_H

#define _PATHCOMP_H



#include <glib.h>

#include <glib/gstdio.h>

#include <glib-2.0/glib/gtypes.h>



///////////////////////////////////////////////////

// IP addressing of peer functional entities

///////////////////////////////////////////////////

extern struct in_addr pathComp_IpAddr;



// TCP Port for the REST API communication with the PATH COMP process

#define PATH_COMP_PORT 		8081       



// External Variables

extern GMainLoop * loop;



#endif
 
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src/pathcomp/backend/pathComp_RESTapi.c

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