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/*
* Module: lboutput.cc
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 as published
* by the Free Software Foundation.
*/
#include <sys/time.h>
#include <time.h>
#include <syslog.h>
#include <iostream>
#include "lbdata.hh"
#include "lboutput.hh"
void
LBOutput::shutdown()
{
string wlb_out = _output_path + "/wlb.out";
unlink(wlb_out.c_str());
}
void
LBOutput::write(const LBData &lbdata)
{
timeval tv;
gettimeofday(&tv,NULL);
string wlb_out = _output_path + "/wlb.out";
//open file
FILE *fp = fopen(wlb_out.c_str(), "w");
if (fp == NULL) {
if (_debug) {
cerr << "Error opening output file: " << wlb_out << endl;
}
syslog(LOG_ERR, "wan_lb: error ordering output file %s", wlb_out.c_str());
return;
}
if (_debug) {
//dump out the health data
LBData::InterfaceHealthConstIter iter = lbdata._iface_health_coll.begin();
while (iter != lbdata._iface_health_coll.end()) {
if (_debug) {
cout << iter->first << " "; //interface
cout << string(iter->second._is_active ? "true" : "false") << " "; //status
cout << tv.tv_sec - iter->second.last_success() << " "; //last success
cout << tv.tv_sec - iter->second.last_failure() << " "; //last failure
cout << endl;
}
++iter;
}
}
string space(" ");
timeval cur_t;
gettimeofday(&cur_t,NULL);
LBData::InterfaceHealthConstIter iter = lbdata._iface_health_coll.begin();
while (iter != lbdata._iface_health_coll.end()) {
string line = string("Interface: ") + iter->first + "\n";
line += space + string("Status: ") + string(iter->second._is_active?"active":"failed") + "\n";
const time_t t = (time_t)(iter->second._last_time_state_changed);
char *tbuf = ctime(&t);
line += space + string("Last Status Change: ") + string(tbuf);
string target = iter->second._ping_target;
if (target.empty()) {
target = iter->second._nexthop;
}
line += space + string("Target: Ping ") + target + "\n";
char btmp[256];
string time_buf;
unsigned long diff_t;
//the last condition is to handle a system time change...
if (iter->second.last_success() > 0 && (cur_t.tv_sec > iter->second.last_success())) {
diff_t = cur_t.tv_sec - iter->second.last_success();
}
else {
diff_t = 0;
}
unsigned long days,hours,mins,secs;
days = diff_t / (60*60*24);
if (days > 0) {
diff_t -= days * (60*60*24);
sprintf(btmp,"%ld",days);
time_buf += string(btmp) + "d";
}
hours = diff_t / (60*60);
if (hours > 0) {
diff_t -= hours * (60*60);
sprintf(btmp,"%ld",hours);
time_buf += string(btmp) + "h";
}
mins = diff_t / (60);
if (mins > 0) {
diff_t -= mins * (60);
sprintf(btmp,"%ld",mins);
time_buf += string(btmp) + "m";
}
secs = diff_t;
sprintf(btmp,"%ld",secs);
time_buf += string(btmp) + "s";
string success_time;
if (iter->second.last_success() == 0) {
success_time = string("n/a") + string("\t\t");
}
else {
success_time = time_buf + string("\t");
}
line += space + space + string("Last Ping Success: ") + success_time + "\n";
time_buf = "";
if (iter->second.last_failure() > 0) {
diff_t = cur_t.tv_sec - iter->second.last_failure();
}
else {
diff_t = 0;
}
days = diff_t / (60*60*24);
if (days > 0) {
diff_t -= days * (60*60*24);
sprintf(btmp,"%ld",days);
time_buf += string(btmp) + "d";
}
hours = diff_t / (60*60);
if (hours > 0) {
diff_t -= hours * (60*60);
sprintf(btmp,"%ld",hours);
time_buf += string(btmp) + "h";
}
mins = diff_t / (60);
if (mins > 0) {
diff_t -= mins * (60);
sprintf(btmp,"%ld",mins);
time_buf += string(btmp) + "m";
}
secs = diff_t;
sprintf(btmp,"%ld",secs);
time_buf += string(btmp) + "s";
string failure_time;
if (iter->second.last_failure() == 0) {
failure_time = string("n/a") + string("\t\t");
}
else {
failure_time = time_buf + string("\t");
}
line += space + space + string("Last Ping Failure: ") + failure_time + "\n";
//now failure count
sprintf(btmp, "%ld", iter->second._hresults._failure_count);
line += space + space + string("# Ping Failure(s): ") + string(btmp) + "\n\n";
fputs(line.c_str(),fp);
++iter;
}
fclose(fp);
//dump out the application data
if (_debug) {
LBData::LBRuleConstIter r_iter = lbdata._lb_rule_coll.begin();
while (r_iter != lbdata._lb_rule_coll.end()) {
cout << "squirt out results here." << endl;
++r_iter;
}
}
}
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