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/*****************************************************************************//***
* Copyright(c) <2017>, AT&T Intellectual Property. All other rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement: This product includes
* software developed by the AT&T.
* 4. Neither the name of AT&T nor the names of its contributors may be used to
* endorse or promote products derived from this software without specific
* prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY AT&T INTELLECTUAL PROPERTY ''AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL AT&T INTELLECTUAL PROPERTY BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*****************************************************************************/
#include <pthread.h>
#include <stdio.h>
#include <stdlib.h>
#include <ctype.h>
#include <string.h>
#include <stdint.h>
#include <unistd.h>
#include <sys/stat.h>
#include <sys/time.h>
#include <sys/types.h>
#include "evel.h"
#include "afx_ves_reporter.h"
/**************************************************************************//**
* Monitor AFX services for current status
* returns success status 1 or failure 0.
*
* @param cmd Pointer to Shell cmd to monitor status.
* @param dtls Pointer to details of service
* Returns the start time of service
*
* @retvalue int Success 1 service running 0 service inactive
*****************************************************************************/
int monitor_afx_service( char *cmd, char *detls, char *svc )
{
FILE *fp;
char line[256];
int n_spaces = 0, i;
char ** res = NULL;
char *p;
int ret = 0;
int lnno = 0;
fp = popen(cmd,"r");
if (fp == NULL) {
printf("Failed to run command\n" );
return 0;
}
/* Read the output a line at a time - output it. */
while (fgets(line, sizeof(line)-1, fp) != NULL) {
//printf("%s",line);
lnno++;
n_spaces = 0;
p = strtok (line, " ");
/* split string and append tokens to 'res' */
while (p) {
res = realloc (res, sizeof (char*) * ++n_spaces);
if (res == NULL)
exit (-1); /* memory allocation failed */
res[n_spaces-1] = p;
p = strtok (NULL, " ");
}
/* realloc one extra element for the last NULL */
res = realloc (res, sizeof (char*) * (n_spaces+1));
res[n_spaces] = 0;
if( n_spaces > 2 && lnno == 1 )
{
EVEL_DEBUG("AFX: Service %s\n",res[3]);
sprintf(svc,"%s",res[3]);
svc[strlen(svc)-1] = 0;
}
/* print the result */
if( n_spaces > 2 && !strcmp(res[0],"Active:") )
{
//for (i = 0; i < (n_spaces+1); ++i)
//{
// printf ("res[%d] = %s\n", i, res[i]);
//}
if(!strncmp(res[1],"activ",5)){
EVEL_DEBUG("AFX: Service Active\n");
ret |= 1;
} else {
EVEL_DEBUG("AFX: Service Inactive\n");
ret &= 0;
}
}
}
/* free the memory allocated */
if(res != NULL) free (res);
/* close */
pclose(fp);
return ret;
}
/**************************************************************************//**
* Thread function to Monitor AFX services
* Checks status of afx inout and afx output service every service monitor
* interval. It reports fault event at startup and whenever status changes
*
* @param threadarg Thread arguments for startup message
*
* @retvalue int Success 1 service running 0 service inactive
*****************************************************************************/
void *ServiceMonitorAfxThread(void *threadarg)
{
int taskid, sum;
char *hello_msg;
struct thread_data *my_data;
char cmd[256];
char details[256];
char *afxin = "afx@in*";
char *afxout = "afx@out*";
int instate = -1;
int outstate = -1;
int tmpstate;
char evid[128];
char svc[128];
int is_critical = 0;
sleep(1);
my_data = (struct thread_data *) threadarg;
taskid = my_data->thread_id;
sum = my_data->sum;
hello_msg = my_data->message;
EVEL_INFO("AFX: Service Monitor Thread %d: %s Sum=%d\n", taskid, hello_msg, sum);
while(1)
{
/* invokes afx service monitor function and collects return value */
sprintf(cmd,"/bin/systemctl status %s ",afxin);
tmpstate = monitor_afx_service( cmd, details,svc );
if( tmpstate != instate ){
printf("New afxin Service report sent %d\n",tmpstate);
instate = tmpstate;
if( instate == 1){
sprintf(evid,"Fault_vAfx_SvcInput_%s",oam_intfaddr);
if (is_critical == 1){
is_critical = 0;
sprintf(evid,"Fault_vAfx_SvcOutput_SvcInput_%s",oam_intfaddr);
report_fault("Fault_vAfx_Svc_input_Output",evid,
EVEL_SEVERITY_NORMAL, "routing", "AFXInput and AFXOutput",
"AFX services input and output down alarm",
details, NULL, NULL, NULL, instate);
}
sprintf(evid,"Fault_vAfx_SvcInput_%s",oam_intfaddr);
report_fault("Fault_vAfx_SvcInput",evid,EVEL_SEVERITY_NORMAL, "routing", "AFXInput", "AFX services input up alarm", details, NULL, NULL, NULL, instate);
}else{
sprintf(evid,"Fault_vAfx_SvcInput_%s",oam_intfaddr);
report_fault("Fault_vAfx_SvcInput",evid,EVEL_SEVERITY_MAJOR, "routing", "AFXInput", "AFX services input down alarm", details, NULL, NULL, NULL, instate);
}
}
/* invokes afx service monitor function and collects return value */
sprintf(cmd,"/bin/systemctl status %s ",afxout);
tmpstate = monitor_afx_service( cmd, details, svc );
if( tmpstate != outstate ){
printf("New afxout Service report sent %d\n",tmpstate);
outstate = tmpstate;
if( outstate == 1){
if (is_critical == 1){
is_critical = 0;
sprintf(evid,"Fault_vAfx_SvcOutput_SvcInput_%s",oam_intfaddr);
report_fault("Fault_vAfx_Svc_input_Output",evid,
EVEL_SEVERITY_NORMAL, "routing", "AFXInput and AFXOutput",
"AFX services input and output down alarm",
details, NULL, NULL, NULL, outstate);
}
sprintf(evid,"Fault_vAfx_SvcOutput_%s",oam_intfaddr);
report_fault("Fault_vAfx_SvcOutput",evid,EVEL_SEVERITY_NORMAL, "routing", "AFXOutput", "AFX services output up alarm", details, NULL, NULL, NULL, outstate );
} else {
sprintf(evid,"Fault_vAfx_SvcOutput_%s",oam_intfaddr);
report_fault("Fault_vAfx_SvcOutput",evid,EVEL_SEVERITY_MAJOR, "routing", "AFXOutput", "AFX services output down alarm", details, NULL, NULL, NULL, outstate);
}
}
if((instate == 0) && (outstate == 0) && (is_critical == 0))
{
is_critical = 1;
sprintf(evid,"Fault_vAfx_SvcOutput_SvcInput_%s",oam_intfaddr);
report_fault("Fault_vAfx_Svc_input_Output",evid,EVEL_SEVERITY_CRITICAL,
"routing", "AFXInput and AFXOutput",
"AFX services input and output down alarm", details,
NULL, NULL, NULL, instate);
}
sleep(SERVICE_MONITOR_INTERVAL);
}
pthread_exit(NULL);
}
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