Make tungre output statistics on stderr every 10 seconds.

[greproxy] / tungre.cpp

diff --git a/tungre.cpp b/tungre.cpp
index fb39982e9f8c216016b9ca2e4784718812497167..5ee81cb131d8c087bcf3a07a48cb11271ed5f3cc 100644 (file)
--- a/tungre.cpp
+++ b/tungre.cpp
@@ -10,6 +10,7 @@
 #include "tunprotocol.h"
 #include "rsdecoder.h"
 #include "pacer.h"
+#include "timeutil.h"
 
 using namespace std;
 
@@ -34,6 +35,13 @@ int main(int argc, char **argv)
        Reorderer tun_reorderer(&tun_pacer);
        RSDecoder tun_decoder(&tun_reorderer);
 
+       int last_rcvd = 0, last_reorders = 0;
+       int last_fec_recovered = 0, last_lost = 0;
+       int last_output = 0;
+       int last_sent = 0;
+       timeval last_print;
+       gettimeofday(&last_print, NULL);
+
        fd_set fds;
        FD_ZERO(&fds);
        for ( ;; ) {
@@ -55,5 +63,28 @@ int main(int argc, char **argv)
                        tun.read_packet(&gre_pacer);
                }
                tun_pacer.possibly_flush_packets();
+
+               timeval now;
+               gettimeofday(&now, NULL);
+
+               if (tdiff(last_print, now) > 10.0) {
+                       int rcvd = gre.get_received_packets();
+                       int fec_recovered = tun_decoder.get_recovered_packets();
+                       int reorders = tun_reorderer.get_reorders();
+                       int lost = tun_reorderer.get_lost_packets();
+                       int output = tun.get_sent_packets();
+                       int sent = gre.get_sent_packets();
+                       fprintf(stderr, "%5dp rcvd, %3dp FEC recovered, %4d reorders, %3dp lost, %5dp output.  %5dp sent\n",
+                               rcvd - last_rcvd, fec_recovered - last_fec_recovered,
+                               reorders - last_reorders, lost - last_lost,
+                               output - last_output, sent - last_sent);
+                       last_rcvd = rcvd;
+                       last_fec_recovered = fec_recovered;
+                       last_reorders = reorders;
+                       last_lost = lost;
+                       last_output = output;
+                       last_sent = sent;
+                       last_print = now;
+               }
        }
 }