Merge pull request #1928 from datamuc/merge-jitter

check_icmp: Add support to Jitter, MOS and Score

1 files changed, 579 insertions, 105 deletions

diff --git a/plugins-root/check_icmp.c b/plugins-root/check_icmp.c
index 1d47e9fc..303241d3 100644
--- a/plugins-root/check_icmp.c
+++ b/plugins-root/check_icmp.c
@@ -43,7 +43,7 @@ const char *copyright = "2005-2008";
 const char *email = "devel@monitoring-plugins.org";
 
 /** Monitoring Plugins basic includes */
-#include "common.h"
+#include "../plugins/common.h"
 #include "netutils.h"
 #include "utils.h"
 
@@ -109,18 +109,35 @@ typedef struct rta_host {
         unsigned char icmp_type, icmp_code; /* type and code from errors */
         unsigned short flags;        /* control/status flags */
         double rta;                  /* measured RTA */
+        int rta_status;              // check result for RTA checks
         double rtmax;                /* max rtt */
         double rtmin;                /* min rtt */
+        double jitter;               /* measured jitter */
+        int jitter_status;           // check result for Jitter checks
+        double jitter_max;           /* jitter rtt maximum */
+        double jitter_min;           /* jitter rtt minimum */
+        double EffectiveLatency;
+        double mos;                  /* Mean opnion score */
+        int mos_status;              // check result for MOS checks
+        double  score;               /* score */
+        int score_status;            // check result for score checks
+        u_int last_tdiff;
+        u_int last_icmp_seq;         /* Last ICMP_SEQ to check out of order pkts */
         unsigned char pl;            /* measured packet loss */
+        int pl_status;               // check result for packet loss checks
         struct rta_host *next;       /* linked list */
+        int order_status;            // check result for packet order checks
 } rta_host;
 
 #define FLAG_LOST_CAUSE 0x01  /* decidedly dead target. */
 
 /* threshold structure. all values are maximum allowed, exclusive */
 typedef struct threshold {
-        unsigned char pl;    /* max allowed packet loss in percent */
-        unsigned int rta;  /* roundtrip time average, microseconds */
+        unsigned char pl;                       /* max allowed packet loss in percent */
+        unsigned int rta;                       /* roundtrip time average, microseconds */
+        double jitter;  /* jitter time average, microseconds */
+        double mos;                     /* MOS */
+        double score;           /* Score */
 } threshold;
 
 /* the data structure */
@@ -159,6 +176,16 @@ typedef union icmp_packet {
 #define MODE_ALL 2
 #define MODE_ICMP 3
 
+enum enum_threshold_mode {
+        const_rta_mode,
+        const_packet_loss_mode,
+        const_jitter_mode,
+        const_mos_mode,
+        const_score_mode
+};
+
+typedef enum enum_threshold_mode threshold_mode;
+
 /* the different ping types we can do
  * TODO: investigate ARP ping as well */
 #define HAVE_ICMP 1
@@ -188,6 +215,8 @@ static int wait_for_reply(int, u_int);
 static int recvfrom_wto(int, void *, unsigned int, struct sockaddr *, u_int *, struct timeval*);
 static int send_icmp_ping(int, struct rta_host *);
 static int get_threshold(char *str, threshold *th);
+static bool get_threshold2(char *str, size_t length, threshold *, threshold *, threshold_mode mode);
+static bool parse_threshold2_helper(char *s, size_t length, threshold *thr, threshold_mode mode);
 static void run_checks(void);
 static void set_source_ip(char *);
 static int add_target(char *);
@@ -199,13 +228,28 @@ static void finish(int);
 static void crash(const char *, ...);
 
 /** external **/
-extern int optind, opterr, optopt;
+extern int optind;
 extern char *optarg;
 extern char **environ;
 
 /** global variables **/
 static struct rta_host **table, *cursor, *list;
-static threshold crit = {80, 500000}, warn = {40, 200000};
+
+static threshold crit = {
+        .pl = 80,
+        .rta = 500000,
+        .jitter = 0.0,
+        .mos = 0.0,
+        .score = 0.0
+};
+static threshold warn = {
+        .pl = 40,
+        .rta = 200000,
+        .jitter = 0.0,
+        .mos = 0.0,
+        .score = 0.0
+};
+
 static int mode, protocols, sockets, debug = 0, timeout = 10;
 static unsigned short icmp_data_size = DEFAULT_PING_DATA_SIZE;
 static unsigned short icmp_pkt_size = DEFAULT_PING_DATA_SIZE + ICMP_MINLEN;
@@ -224,6 +268,12 @@ static unsigned int warn_down = 1, crit_down = 1; /* host down threshold values
 static int min_hosts_alive = -1;
 float pkt_backoff_factor = 1.5;
 float target_backoff_factor = 1.5;
+bool rta_mode=false;
+bool pl_mode=false;
+bool jitter_mode=false;
+bool score_mode=false;
+bool mos_mode=false;
+bool order_mode=false;
 
 /** code start **/
 static void
@@ -393,12 +443,14 @@ main(int argc, char **argv)
         int icmp_sockerrno, udp_sockerrno, tcp_sockerrno;
         int result;
         struct rta_host *host;
+#ifdef HAVE_SIGACTION
+        struct sigaction sig_action;
+#endif
 #ifdef SO_TIMESTAMP
         int on = 1;
 #endif
         char *source_ip = NULL;
-        char * opts_str = "vhVw:c:n:p:t:H:s:i:b:I:l:m:64";
-
+        char * opts_str = "vhVw:c:n:p:t:H:s:i:b:I:l:m:P:R:J:S:M:O64";
         setlocale (LC_ALL, "");
         bindtextdomain (PACKAGE, LOCALEDIR);
         textdomain (PACKAGE);
@@ -407,7 +459,7 @@ main(int argc, char **argv)
          * that before pointer magic (esp. on network data) */
         icmp_sockerrno = udp_sockerrno = tcp_sockerrno = sockets = 0;
 
-        address_family = -1;
+        address_family = -1;
         int icmp_proto = IPPROTO_ICMP;
 
         /* get calling name the old-fashioned way for portability instead
@@ -422,10 +474,19 @@ main(int argc, char **argv)
         table = NULL;
 
         mode = MODE_RTA;
+        /* Default critical thresholds */
         crit.rta = 500000;
         crit.pl = 80;
+        crit.jitter = 50;
+        crit.mos= 3;
+        crit.score=70;
+        /* Default warning thresholds */
         warn.rta = 200000;
         warn.pl = 40;
+        warn.jitter = 40;
+        warn.mos= 3.5;
+        warn.score=80;
+
         protocols = HAVE_ICMP | HAVE_UDP | HAVE_TCP;
         pkt_interval = 80000;  /* 80 msec packet interval by default */
         packets = 5;
@@ -481,7 +542,8 @@ main(int argc, char **argv)
         /* Reset argument scanning */
         optind = 1;
 
-        unsigned short size;
+        unsigned long size;
+        bool err;
         /* parse the arguments */
         for(i = 1; i < argc; i++) {
                 while((arg = getopt(argc, argv, opts_str)) != EOF) {
@@ -490,7 +552,7 @@ main(int argc, char **argv)
                                 debug++;
                                 break;
                         case 'b':
-                                size = (unsigned short)strtol(optarg,NULL,0);
+                                size = strtol(optarg,NULL,0);
                                 if (size >= (sizeof(struct icmp) + sizeof(struct icmp_ping_data)) &&
                                     size < MAX_PING_DATA) {
                                         icmp_data_size = size;
@@ -545,6 +607,49 @@ main(int argc, char **argv)
                                 print_help ();
                                 exit (STATE_UNKNOWN);
                                 break;
+                        case 'R': /* RTA mode */
+                                err = get_threshold2(optarg, strlen(optarg), &warn, &crit, const_rta_mode);
+                                if (!err) {
+                                                crash("Failed to parse RTA threshold");
+                                }
+
+                                rta_mode=true;
+                                break;
+                        case 'P': /* packet loss mode */
+                                err = get_threshold2(optarg, strlen(optarg), &warn, &crit, const_packet_loss_mode);
+                                if (!err) {
+                                                crash("Failed to parse packet loss threshold");
+                                }
+
+                                pl_mode=true;
+                                break;
+                        case 'J': /* jitter mode */
+                                err = get_threshold2(optarg, strlen(optarg), &warn, &crit, const_jitter_mode);
+                                if (!err) {
+                                                crash("Failed to parse jitter threshold");
+                                }
+
+                                jitter_mode=true;
+                                break;
+                        case 'M': /* MOS mode */
+                                err = get_threshold2(optarg, strlen(optarg), &warn, &crit, const_mos_mode);
+                                if (!err) {
+                                                crash("Failed to parse MOS threshold");
+                                }
+
+                                mos_mode=true;
+                                break;
+                        case 'S': /* score mode */
+                                err = get_threshold2(optarg, strlen(optarg), &warn, &crit, const_score_mode);
+                                if (!err) {
+                                                crash("Failed to parse score threshold");
+                                }
+
+                                score_mode=true;
+                                break;
+                        case 'O': /* out of order mode */
+                                order_mode=true;
+                                break;
                         }
                 }
         }
@@ -565,10 +670,10 @@ main(int argc, char **argv)
                 add_target(*argv);
                 argv++;
         }
+
         if(!targets) {
                 errno = 0;
                 crash("No hosts to check");
-                exit(3);
         }
 
         // add_target might change address_family
@@ -631,11 +736,25 @@ main(int argc, char **argv)
         if(warn.pl > crit.pl) warn.pl = crit.pl;
         if(warn.rta > crit.rta) warn.rta = crit.rta;
         if(warn_down > crit_down) crit_down = warn_down;
-
+        if(warn.jitter > crit.jitter) crit.jitter = warn.jitter;
+        if(warn.mos < crit.mos) warn.mos = crit.mos;
+        if(warn.score < crit.score) warn.score = crit.score;
+
+#ifdef HAVE_SIGACTION
+        sig_action.sa_sigaction = NULL;
+        sig_action.sa_handler = finish;
+        sigfillset(&sig_action.sa_mask);
+        sig_action.sa_flags = SA_NODEFER|SA_RESTART;
+        sigaction(SIGINT, &sig_action, NULL);
+        sigaction(SIGHUP, &sig_action, NULL);
+        sigaction(SIGTERM, &sig_action, NULL);
+        sigaction(SIGALRM, &sig_action, NULL);
+#else /* HAVE_SIGACTION */
         signal(SIGINT, finish);
         signal(SIGHUP, finish);
         signal(SIGTERM, finish);
         signal(SIGALRM, finish);
+#endif /* HAVE_SIGACTION */
         if(debug) printf("Setting alarm timeout to %u seconds\n", timeout);
         alarm(timeout);
 
@@ -685,7 +804,11 @@ main(int argc, char **argv)
         }
 
         host = list;
-        table = (struct rta_host**)malloc(sizeof(struct rta_host **) * targets);
+        table = malloc(sizeof(struct rta_host *) * targets);
+        if(!table) {
+                crash("main(): malloc failed for host table");
+        }
+
         i = 0;
         while(host) {
                 host->id = i*packets;
@@ -772,6 +895,7 @@ wait_for_reply(int sock, u_int t)
         struct icmp_ping_data data;
         struct timeval wait_start, now;
         u_int tdiff, i, per_pkt_wait;
+        double jitter_tmp;
 
         if (!(packet.buf = malloc(icmp_pkt_size))) {
                 crash("send_icmp_ping(): failed to malloc %d bytes for send buffer",
@@ -890,12 +1014,44 @@ wait_for_reply(int sock, u_int t)
 
                 tdiff = get_timevaldiff(&data.stime, &now);
 
+                if (host->last_tdiff>0) {
+                        /* Calculate jitter */
+                        if (host->last_tdiff > tdiff) {
+                                jitter_tmp = host->last_tdiff - tdiff;
+                        } else {
+                                jitter_tmp = tdiff - host->last_tdiff;
+                        }
+
+                        if (host->jitter==0) {
+                                host->jitter=jitter_tmp;
+                                host->jitter_max=jitter_tmp;
+                                host->jitter_min=jitter_tmp;
+                        } else {
+                                host->jitter+=jitter_tmp;
+
+                                if (jitter_tmp < host->jitter_min) {
+                                        host->jitter_min=jitter_tmp;
+                                }
+
+                                if (jitter_tmp > host->jitter_max) {
+                                        host->jitter_max=jitter_tmp;
+                                }
+                        }
+
+                        /* Check if packets in order */
+                        if (host->last_icmp_seq >= packet.icp->icmp_seq)
+                                host->order_status=STATE_CRITICAL;
+                }
+                host->last_tdiff=tdiff;
+
+                host->last_icmp_seq=packet.icp->icmp_seq;
+
                 host->time_waited += tdiff;
                 host->icmp_recv++;
                 icmp_recv++;
-                if (tdiff > host->rtmax)
+                if (tdiff > (unsigned int)host->rtmax)
                         host->rtmax = tdiff;
-                if (tdiff < host->rtmin)
+                if (tdiff < (unsigned int)host->rtmin)
                         host->rtmin = tdiff;
 
                 if(debug) {
@@ -1056,7 +1212,9 @@ recvfrom_wto(int sock, void *buf, unsigned int len, struct sockaddr *saddr,
         int n, ret;
         struct timeval to, then, now;
         fd_set rd, wr;
+#ifdef HAVE_MSGHDR_MSG_CONTROL
         char ans_data[4096];
+#endif // HAVE_MSGHDR_MSG_CONTROL
         struct msghdr hdr;
         struct iovec iov;
 #ifdef SO_TIMESTAMP
@@ -1094,8 +1252,10 @@ recvfrom_wto(int sock, void *buf, unsigned int len, struct sockaddr *saddr,
         hdr.msg_namelen = slen;
         hdr.msg_iov = &iov;
         hdr.msg_iovlen = 1;
+#ifdef HAVE_MSGHDR_MSG_CONTROL
         hdr.msg_control = ans_data;
         hdr.msg_controllen = sizeof(ans_data);
+#endif
 
         ret = recvmsg(sock, &hdr, 0);
 #ifdef SO_TIMESTAMP
@@ -1125,6 +1285,8 @@ finish(int sig)
         {"OK", "WARNING", "CRITICAL", "UNKNOWN", "DEPENDENT"};
         int hosts_ok = 0;
         int hosts_warn = 0;
+        int this_status;
+        double R;
 
         alarm(0);
         if(debug > 1) printf("finish(%d) called\n", sig);
@@ -1140,9 +1302,12 @@ finish(int sig)
         }
 
         /* iterate thrice to calculate values, give output, and print perfparse */
+        status=STATE_OK;
         host = list;
 
         while(host) {
+                this_status = STATE_OK;
+
                 if(!host->icmp_recv) {
                         /* rta 0 is ofcourse not entirely correct, but will still show up
                          * conspicuously as missing entries in perfparse and cacti */
@@ -1151,26 +1316,138 @@ finish(int sig)
                         status = STATE_CRITICAL;
                         /* up the down counter if not already counted */
                         if(!(host->flags & FLAG_LOST_CAUSE) && targets_alive) targets_down++;
-                }
-                else {
+                } else {
                         pl = ((host->icmp_sent - host->icmp_recv) * 100) / host->icmp_sent;
                         rta = (double)host->time_waited / host->icmp_recv;
                 }
+
+                if (host->icmp_recv>1) {
+                        /*
+                         * This algorithm is probably pretty much blindly copied from
+                         * locations like this one: https://www.slac.stanford.edu/comp/net/wan-mon/tutorial.html#mos
+                         * It calculates a MOS value (range of 1 to 5, where 1 is bad and 5 really good).
+                         * According to some quick research MOS originates from the Audio/Video transport network area.
+                         * Whether it can and should be computed from ICMP data, I can not say.
+                         *
+                         * Anyway the basic idea is to map a value "R" with a range of 0-100 to the MOS value
+                         *
+                         * MOS stands likely for Mean Opinion Score ( https://en.wikipedia.org/wiki/Mean_Opinion_Score )
+                         *
+                         * More links:
+                         * - https://confluence.slac.stanford.edu/display/IEPM/MOS
+                         */
+                        host->jitter=(host->jitter / (host->icmp_recv - 1)/1000);
+
+                        /*
+                         * Take the average round trip latency (in milliseconds), add
+                         * round trip jitter, but double the impact to latency
+                         * then add 10 for protocol latencies (in milliseconds).
+                         */
+                        host->EffectiveLatency = (rta/1000) + host->jitter * 2 + 10;
+
+                        if (host->EffectiveLatency < 160) {
+                           R = 93.2 - (host->EffectiveLatency / 40);
+                        } else {
+                           R = 93.2 - ((host->EffectiveLatency - 120) / 10);
+                        }
+
+                        // Now, let us deduct 2.5 R values per percentage of packet loss (i.e. a
+                        // loss of 5% will be entered as 5).
+                        R = R - (pl * 2.5);
+
+                        if (R < 0) {
+                                R = 0;
+                        }
+
+                        host->score = R;
+                        host->mos= 1 + ((0.035) * R) + ((.000007) * R * (R-60) * (100-R));
+                } else {
+                        host->jitter=0;
+                        host->jitter_min=0;
+                        host->jitter_max=0;
+                        host->mos=0;
+                }
+
                 host->pl = pl;
                 host->rta = rta;
-                if(pl >= crit.pl || rta >= crit.rta) {
-                        status = STATE_CRITICAL;
+
+                /* if no new mode selected, use old schema */
+                if (!rta_mode && !pl_mode && !jitter_mode && !score_mode && !mos_mode && !order_mode) {
+                        rta_mode = true;
+                        pl_mode = true;
                 }
-                else if(!status && (pl >= warn.pl || rta >= warn.rta)) {
-                        status = STATE_WARNING;
-                        hosts_warn++;
+
+                /* Check which mode is on and do the warn / Crit stuff */
+                if (rta_mode) {
+                        if(rta >= crit.rta) {
+                                this_status = STATE_CRITICAL;
+                                status = STATE_CRITICAL;
+                                host->rta_status=STATE_CRITICAL;
+                        } else if(status!=STATE_CRITICAL && (rta >= warn.rta)) {
+                                this_status = (this_status <= STATE_WARNING ? STATE_WARNING : this_status);
+                                status = STATE_WARNING;
+                                host->rta_status=STATE_WARNING;
+                        }
+                }
+
+                if (pl_mode) {
+                        if(pl >= crit.pl) {
+                                this_status = STATE_CRITICAL;
+                                status = STATE_CRITICAL;
+                                host->pl_status=STATE_CRITICAL;
+                        } else if(status!=STATE_CRITICAL && (pl >= warn.pl)) {
+                                this_status = (this_status <= STATE_WARNING ? STATE_WARNING : this_status);
+                                status = STATE_WARNING;
+                                host->pl_status=STATE_WARNING;
+                        }
+                }
+
+                if (jitter_mode) {
+                        if(host->jitter >= crit.jitter) {
+                                this_status = STATE_CRITICAL;
+                                status = STATE_CRITICAL;
+                                host->jitter_status=STATE_CRITICAL;
+                        } else if(status!=STATE_CRITICAL && (host->jitter >= warn.jitter)) {
+                                this_status = (this_status <= STATE_WARNING ? STATE_WARNING : this_status);
+                                status = STATE_WARNING;
+                                host->jitter_status=STATE_WARNING;
+                        }
+                }
+
+                if (mos_mode) {
+                        if(host->mos <= crit.mos) {
+                                this_status = STATE_CRITICAL;
+                                status = STATE_CRITICAL;
+                                host->mos_status=STATE_CRITICAL;
+                        } else if(status!=STATE_CRITICAL && (host->mos <= warn.mos)) {
+                                this_status = (this_status <= STATE_WARNING ? STATE_WARNING : this_status);
+                                status = STATE_WARNING;
+                                host->mos_status=STATE_WARNING;
+                        }
+                }
+
+                if (score_mode) {
+                        if(host->score <= crit.score) {
+                                this_status = STATE_CRITICAL;
+                                status = STATE_CRITICAL;
+                                host->score_status=STATE_CRITICAL;
+                        } else if(status!=STATE_CRITICAL && (host->score <= warn.score)) {
+                                this_status = (this_status <= STATE_WARNING ? STATE_WARNING : this_status);
+                                status = STATE_WARNING;
+                                host->score_status=STATE_WARNING;
+                        }
                 }
-                else {
+
+                if (this_status == STATE_WARNING) {
+                        hosts_warn++;
+                } else if (this_status == STATE_OK) {
                         hosts_ok++;
                 }
 
                 host = host->next;
         }
+
+
         /* this is inevitable */
         if(!targets_alive) status = STATE_CRITICAL;
         if(min_hosts_alive > -1) {
@@ -1181,6 +1458,7 @@ finish(int sig)
 
         host = list;
         while(host) {
+
                 if(debug) puts("");
                 if(i) {
                         if(i < targets) printf(" :: ");
@@ -1189,6 +1467,8 @@ finish(int sig)
                 i++;
                 if(!host->icmp_recv) {
                         status = STATE_CRITICAL;
+                        host->rtmin=0;
+                        host->jitter_min=0;
                         if(host->flags & FLAG_LOST_CAUSE) {
                                 char address[INET6_ADDRSTRLEN];
                                 parse_address(&host->error_addr, address, sizeof(address));
@@ -1197,31 +1477,117 @@ finish(int sig)
                                            get_icmp_error_msg(host->icmp_type, host->icmp_code),
                                            address,
                                            100);
-                        }
-                        else { /* not marked as lost cause, so we have no flags for it */
+                        } else { /* not marked as lost cause, so we have no flags for it */
                                 printf("%s: rta nan, lost 100%%", host->name);
                         }
+                } else {        /* !icmp_recv */
+                        printf("%s", host->name);
+                        /* rta text output */
+                        if (rta_mode) {
+                                if (status == STATE_OK)
+                                        printf(" rta %0.3fms", host->rta / 1000);
+                                else if (status==STATE_WARNING && host->rta_status==status)
+                                        printf(" rta %0.3fms > %0.3fms", (float)host->rta / 1000, (float)warn.rta/1000);
+                                else if (status==STATE_CRITICAL && host->rta_status==status)
+                                        printf(" rta %0.3fms > %0.3fms", (float)host->rta / 1000, (float)crit.rta/1000);
+                        }
+                        /* pl text output */
+                        if (pl_mode) {
+                                if (status == STATE_OK)
+                                        printf(" lost %u%%", host->pl);
+                                else if (status==STATE_WARNING && host->pl_status==status)
+                                        printf(" lost %u%% > %u%%", host->pl, warn.pl);
+                                else if (status==STATE_CRITICAL && host->pl_status==status)
+                                        printf(" lost %u%% > %u%%", host->pl, crit.pl);
+                        }
+                        /* jitter text output */
+                        if (jitter_mode) {
+                                if (status == STATE_OK)
+                                        printf(" jitter %0.3fms", (float)host->jitter);
+                                else if (status==STATE_WARNING && host->jitter_status==status)
+                                        printf(" jitter %0.3fms > %0.3fms", (float)host->jitter, warn.jitter);
+                                else if (status==STATE_CRITICAL && host->jitter_status==status)
+                                        printf(" jitter %0.3fms > %0.3fms", (float)host->jitter, crit.jitter);
+                        }
+                        /* mos text output */
+                        if (mos_mode) {
+                                if (status == STATE_OK)
+                                        printf(" MOS %0.1f", (float)host->mos);
+                                else if (status==STATE_WARNING && host->mos_status==status)
+                                        printf(" MOS %0.1f < %0.1f", (float)host->mos, (float)warn.mos);
+                                else if (status==STATE_CRITICAL && host->mos_status==status)
+                                        printf(" MOS %0.1f < %0.1f", (float)host->mos, (float)crit.mos);
+                        }
+                        /* score text output */
+                        if (score_mode) {
+                                if (status == STATE_OK)
+                                        printf(" Score %u", (int)host->score);
+                                else if (status==STATE_WARNING && host->score_status==status )
+                                        printf(" Score %u < %u", (int)host->score, (int)warn.score);
+                                else if (status==STATE_CRITICAL && host->score_status==status )
+                                        printf(" Score %u < %u", (int)host->score, (int)crit.score);
+                        }
+                        /* order statis text output */
+                        if (order_mode) {
+                                if (status == STATE_OK)
+                                        printf(" Packets in order");
+                                else if (status==STATE_CRITICAL && host->order_status==status)
+                                        printf(" Packets out of order");
+                        }
                 }
-                else {  /* !icmp_recv */
-                        printf("%s: rta %0.3fms, lost %u%%",
-                                   host->name, host->rta / 1000, host->pl);
-                }
-
                 host = host->next;
         }
 
         /* iterate once more for pretty perfparse output */
-        printf("|");
+        if (!(!rta_mode && !pl_mode && !jitter_mode && !score_mode && !mos_mode && order_mode)) {
+                        printf("|");
+        }
         i = 0;
         host = list;
         while(host) {
                 if(debug) puts("");
-                printf("%srta=%0.3fms;%0.3f;%0.3f;0; %spl=%u%%;%u;%u;; %srtmax=%0.3fms;;;; %srtmin=%0.3fms;;;; ",
+
+                if (rta_mode && host->pl<100) {
+                        printf("%srta=%0.3fms;%0.3f;%0.3f;0; %srtmax=%0.3fms;;;; %srtmin=%0.3fms;;;; ",
                            (targets > 1) ? host->name : "",
                            host->rta / 1000, (float)warn.rta / 1000, (float)crit.rta / 1000,
-                           (targets > 1) ? host->name : "", host->pl, warn.pl, crit.pl,
                            (targets > 1) ? host->name : "", (float)host->rtmax / 1000,
                            (targets > 1) ? host->name : "", (host->rtmin < INFINITY) ? (float)host->rtmin / 1000 : (float)0);
+                }
+
+                if (pl_mode) {
+                        printf("%spl=%u%%;%u;%u;0;100 ", (targets > 1) ? host->name : "", host->pl, warn.pl, crit.pl);
+                }
+
+                if (jitter_mode && host->pl<100) {
+                        printf("%sjitter_avg=%0.3fms;%0.3f;%0.3f;0; %sjitter_max=%0.3fms;;;; %sjitter_min=%0.3fms;;;; ",
+                                (targets > 1) ? host->name : "",
+                                (float)host->jitter,
+                                (float)warn.jitter,
+                                (float)crit.jitter,
+                                (targets > 1) ? host->name : "",
+                                (float)host->jitter_max / 1000, (targets > 1) ? host->name : "",
+                                (float)host->jitter_min / 1000
+                        );
+                }
+
+                if (mos_mode && host->pl<100) {
+                        printf("%smos=%0.1f;%0.1f;%0.1f;0;5 ",
+                                (targets > 1) ? host->name : "",
+                                (float)host->mos,
+                                (float)warn.mos,
+                                (float)crit.mos
+                        );
+                }
+
+                if (score_mode && host->pl<100) {
+                        printf("%sscore=%u;%u;%u;0;100 ",
+                                (targets > 1) ? host->name : "",
+                                (int)host->score,
+                                (int)warn.score,
+                                (int)crit.score
+                        );
+                }
 
                 host = host->next;
         }
@@ -1312,6 +1678,7 @@ add_target_ip(char *arg, struct sockaddr_storage *in)
         /* set the values. use calling name for output */
         host->name = strdup(arg);
 
+
         /* fill out the sockaddr_storage struct */
         if(address_family == AF_INET) {
                 host_sin = (struct sockaddr_in *)&host->saddr_in;
@@ -1324,7 +1691,22 @@ add_target_ip(char *arg, struct sockaddr_storage *in)
                 memcpy(host_sin6->sin6_addr.s6_addr, sin6->sin6_addr.s6_addr, sizeof host_sin6->sin6_addr.s6_addr);
         }
 
+        /* fill out the sockaddr_in struct */
         host->rtmin = INFINITY;
+        host->rtmax = 0;
+        host->jitter=0;
+        host->jitter_max=0;
+        host->jitter_min=INFINITY;
+        host->last_tdiff=0;
+        host->order_status=STATE_OK;
+        host->last_icmp_seq=0;
+        host->rta_status=0;
+        host->pl_status=0;
+        host->jitter_status=0;
+        host->mos_status=0;
+        host->score_status=0;
+        host->pl_status=0;
+
 
         if(!list) list = cursor = host;
         else cursor->next = host;
@@ -1408,7 +1790,7 @@ add_target(char *arg)
                 }
                 break;
         }
-        freeaddrinfo(res);
+        freeaddrinfo(res);
 
         return 0;
 }
@@ -1472,7 +1854,7 @@ get_timevar(const char *str)
 
         /* unit might be given as ms|m (millisec),
          * us|u (microsec) or just plain s, for seconds */
-        u = p = '\0';
+        p = '\0';
         u = str[len - 1];
         if(len >= 2 && !isdigit((int)str[len - 2])) p = str[len - 2];
         if(p && u == 's') u = p;
@@ -1530,6 +1912,81 @@ get_threshold(char *str, threshold *th)
         return 0;
 }
 
+/*
+ * This functions receives a pointer to a string which should contain a threshold for the
+ * rta, packet_loss, jitter, mos or score mode in the form number,number[m|%]* assigns the
+ * parsed number to the corresponding threshold variable.
+ * @param[in,out] str String containing the given threshold values
+ * @param[in] length strlen(str)
+ * @param[out] warn Pointer to the warn threshold struct to which the values should be assigned
+ * @param[out] crit Pointer to the crit threshold struct to which the values should be assigned
+ * @param[in] mode Determines whether this a threshold for rta, packet_loss, jitter, mos or score (exclusively)
+ */
+static bool get_threshold2(char *str, size_t length, threshold *warn, threshold *crit, threshold_mode mode) {
+        if (!str || !length || !warn || !crit) return false;
+
+
+        // p points to the last char in str
+        char *p = &str[length - 1];
+
+        // first_iteration is bof-stop on stupid libc's
+        bool first_iteration = true;
+
+        while(p != &str[0]) {
+                if( (*p == 'm') || (*p == '%') ) {
+                        *p = '\0';
+                } else if(*p == ',' && !first_iteration) {
+                        *p = '\0';      /* reset it so get_timevar(str) works nicely later */
+
+                        char *start_of_value = p + 1;
+
+                        if (!parse_threshold2_helper(start_of_value, strlen(start_of_value), crit, mode)){
+                                return false;
+                        }
+
+                }
+                first_iteration = false;
+                p--;
+        }
+
+        return parse_threshold2_helper(p, strlen(p), warn, mode);
+}
+
+static bool parse_threshold2_helper(char *s, size_t length, threshold *thr, threshold_mode mode) {
+        char *resultChecker = {0};
+
+        switch (mode) {
+                case const_rta_mode:
+                        thr->rta = strtod(s, &resultChecker) * 1000;
+                        break;
+                case const_packet_loss_mode:
+                        thr->pl = (unsigned char)strtoul(s, &resultChecker, 0);
+                        break;
+                case const_jitter_mode:
+                        thr->jitter = strtod(s, &resultChecker);
+
+                        break;
+                case const_mos_mode:
+                        thr->mos = strtod(s, &resultChecker);
+                        break;
+                case const_score_mode:
+                        thr->score = strtod(s, &resultChecker);
+                        break;
+        }
+
+        if (resultChecker == s) {
+                // Failed to parse
+                return false;
+        }
+
+        if (resultChecker != (s + length)) {
+                // Trailing symbols
+                return false;
+        }
+
+        return true;
+}
+
 unsigned short
 icmp_checksum(uint16_t *p, size_t n)
 {
@@ -1555,74 +2012,91 @@ icmp_checksum(uint16_t *p, size_t n)
 void
 print_help(void)
 {
-
-  /*print_revision (progname);*/ /* FIXME: Why? */
-
-  printf ("Copyright (c) 2005 Andreas Ericsson <ae@op5.se>\n");
-  printf (COPYRIGHT, copyright, email);
-
-  printf ("\n\n");
-
-  print_usage ();
-
-  printf (UT_HELP_VRSN);
-  printf (UT_EXTRA_OPTS);
-
-  printf (" %s\n", "-H");
-  printf ("    %s\n", _("specify a target"));
-  printf (" %s\n", "[-4|-6]");
-  printf ("    %s\n", _("Use IPv4 (default) or IPv6 to communicate with the targets"));
-  printf (" %s\n", "-w");
-  printf ("    %s", _("warning threshold (currently "));
-  printf ("%0.3fms,%u%%)\n", (float)warn.rta / 1000, warn.pl);
-  printf (" %s\n", "-c");
-  printf ("    %s", _("critical threshold (currently "));
-  printf ("%0.3fms,%u%%)\n", (float)crit.rta / 1000, crit.pl);
-  printf (" %s\n", "-s");
-  printf ("    %s\n", _("specify a source IP address or device name"));
-  printf (" %s\n", "-n");
-  printf ("    %s", _("number of packets to send (currently "));
-  printf ("%u)\n",packets);
-  printf (" %s\n", "-i");
-  printf ("    %s", _("max packet interval (currently "));
-  printf ("%0.3fms)\n",(float)pkt_interval / 1000);
-  printf (" %s\n", "-I");
-  printf ("    %s", _("max target interval (currently "));
-  printf ("%0.3fms)\n", (float)target_interval / 1000);
-  printf (" %s\n", "-m");
-  printf ("    %s",_("number of alive hosts required for success"));
-  printf ("\n");
-  printf (" %s\n", "-l");
-  printf ("    %s", _("TTL on outgoing packets (currently "));
-  printf ("%u)\n", ttl);
-  printf (" %s\n", "-t");
-  printf ("    %s",_("timeout value (seconds, currently  "));
-  printf ("%u)\n", timeout);
-  printf (" %s\n", "-b");
-  printf ("    %s\n", _("Number of icmp data bytes to send"));
-  printf ("    %s %u + %d)\n", _("Packet size will be data bytes + icmp header (currently"),icmp_data_size, ICMP_MINLEN);
-  printf (" %s\n", "-v");
-  printf ("    %s\n", _("verbose"));
-
-  printf ("\n");
-  printf ("%s\n", _("Notes:"));
-  printf (" %s\n", _("The -H switch is optional. Naming a host (or several) to check is not."));
-  printf ("\n");
-  printf (" %s\n", _("Threshold format for -w and -c is 200.25,60% for 200.25 msec RTA and 60%"));
-  printf (" %s\n", _("packet loss.  The default values should work well for most users."));
-  printf (" %s\n", _("You can specify different RTA factors using the standardized abbreviations"));
-  printf (" %s\n", _("us (microseconds), ms (milliseconds, default) or just plain s for seconds."));
-/* -d not yet implemented */
-/*  printf ("%s\n", _("Threshold format for -d is warn,crit.  12,14 means WARNING if >= 12 hops"));
-  printf ("%s\n", _("are spent and CRITICAL if >= 14 hops are spent."));
-  printf ("%s\n\n", _("NOTE: Some systems decrease TTL when forming ICMP_ECHOREPLY, others do not."));*/
-  printf ("\n");
-  printf (" %s\n", _("The -v switch can be specified several times for increased verbosity."));
-/*  printf ("%s\n", _("Long options are currently unsupported."));
-  printf ("%s\n", _("Options marked with * require an argument"));
-*/
-
-  printf (UT_SUPPORT);
+        /*print_revision (progname);*/ /* FIXME: Why? */
+        printf ("Copyright (c) 2005 Andreas Ericsson <ae@op5.se>\n");
+
+        printf (COPYRIGHT, copyright, email);
+
+        printf ("\n\n");
+
+        print_usage ();
+
+        printf (UT_HELP_VRSN);
+        printf (UT_EXTRA_OPTS);
+
+        printf (" %s\n", "-H");
+        printf ("    %s\n", _("specify a target"));
+        printf (" %s\n", "[-4|-6]");
+        printf ("    %s\n", _("Use IPv4 (default) or IPv6 to communicate with the targets"));
+        printf (" %s\n", "-w");
+        printf ("    %s", _("warning threshold (currently "));
+        printf ("%0.3fms,%u%%)\n", (float)warn.rta / 1000, warn.pl);
+        printf (" %s\n", "-c");
+        printf ("    %s", _("critical threshold (currently "));
+        printf ("%0.3fms,%u%%)\n", (float)crit.rta / 1000, crit.pl);
+
+        printf (" %s\n", "-R");
+        printf ("    %s\n", _("RTA, round trip average,  mode  warning,critical, ex. 100ms,200ms unit in ms"));
+        printf (" %s\n", "-P");
+        printf ("    %s\n", _("packet loss mode, ex. 40%,50% , unit in %"));
+        printf (" %s\n", "-J");
+        printf ("    %s\n", _("jitter mode  warning,critical, ex. 40.000ms,50.000ms , unit in ms "));
+        printf (" %s\n", "-M");
+        printf ("    %s\n", _("MOS mode, between 0 and 4.4  warning,critical, ex. 3.5,3.0"));
+        printf (" %s\n", "-S");
+        printf ("    %s\n", _("score  mode, max value 100  warning,critical, ex. 80,70 "));
+        printf (" %s\n", "-O");
+        printf ("    %s\n", _("detect out of order ICMP packts "));
+        printf (" %s\n", "-H");
+        printf ("    %s\n", _("specify a target"));
+        printf (" %s\n", "-s");
+        printf ("    %s\n", _("specify a source IP address or device name"));
+        printf (" %s\n", "-n");
+        printf ("    %s", _("number of packets to send (currently "));
+        printf ("%u)\n",packets);
+        printf (" %s\n", "-p");
+        printf ("    %s", _("number of packets to send (currently "));
+        printf ("%u)\n",packets);
+        printf (" %s\n", "-i");
+        printf ("    %s", _("max packet interval (currently "));
+        printf ("%0.3fms)\n",(float)pkt_interval / 1000);
+        printf (" %s\n", "-I");
+        printf ("    %s", _("max target interval (currently "));
+        printf ("%0.3fms)\n", (float)target_interval / 1000);
+        printf (" %s\n", "-m");
+        printf ("    %s",_("number of alive hosts required for success"));
+        printf ("\n");
+        printf (" %s\n", "-l");
+        printf ("    %s", _("TTL on outgoing packets (currently "));
+        printf ("%u)\n", ttl);
+        printf (" %s\n", "-t");
+        printf ("    %s",_("timeout value (seconds, currently  "));
+        printf ("%u)\n", timeout);
+        printf (" %s\n", "-b");
+        printf ("    %s\n", _("Number of icmp data bytes to send"));
+        printf ("    %s %u + %d)\n", _("Packet size will be data bytes + icmp header (currently"),icmp_data_size, ICMP_MINLEN);
+        printf (" %s\n", "-v");
+        printf ("    %s\n", _("verbose"));
+        printf ("\n");
+        printf ("%s\n", _("Notes:"));
+        printf (" %s\n", _("If none of R,P,J,M,S or O is specified, default behavior is -R -P"));
+        printf (" %s\n", _("The -H switch is optional. Naming a host (or several) to check is not."));
+        printf ("\n");
+        printf (" %s\n", _("Threshold format for -w and -c is 200.25,60% for 200.25 msec RTA and 60%"));
+        printf (" %s\n", _("packet loss.  The default values should work well for most users."));
+        printf (" %s\n", _("You can specify different RTA factors using the standardized abbreviations"));
+        printf (" %s\n", _("us (microseconds), ms (milliseconds, default) or just plain s for seconds."));
+        /* -d not yet implemented */
+        /*  printf ("%s\n", _("Threshold format for -d is warn,crit.  12,14 means WARNING if >= 12 hops"));
+                        printf ("%s\n", _("are spent and CRITICAL if >= 14 hops are spent."));
+                        printf ("%s\n\n", _("NOTE: Some systems decrease TTL when forming ICMP_ECHOREPLY, others do not."));*/
+        printf ("\n");
+        printf (" %s\n", _("The -v switch can be specified several times for increased verbosity."));
+        /*  printf ("%s\n", _("Long options are currently unsupported."));
+                        printf ("%s\n", _("Options marked with * require an argument"));
+                        */
+
+        printf (UT_SUPPORT);
 }
 
 
@@ -1630,6 +2104,6 @@ print_help(void)
 void
 print_usage (void)
 {
-  printf ("%s\n", _("Usage:"));
-  printf(" %s [options] [-H] host1 host2 hostN\n", progname);
+        printf ("%s\n", _("Usage:"));
+        printf(" %s [options] [-H] host1 host2 hostN\n", progname);
 }