Log the number of send iterations of a client

endlessh.c

@@ -119,6 +119,7 @@ struct client {
     unsigned long long connect_time;
     unsigned long long send_next;
     unsigned long long bytes_sent;
+    unsigned long send_iter;
     struct client *next;
     int port;
     int fd;
@@ -133,6 +134,7 @@ client_new(int fd, unsigned long long send_next)
         c->connect_time = epochms();
         c->send_next = send_next;
         c->bytes_sent = 0;
+        c->send_iter = 0;
         c->next = 0;
         c->fd = fd;
         c->port = 0;
@@ -173,10 +175,11 @@ client_destroy(struct client *client)
     unsigned long long dt = epochms() - client->connect_time;
     logmsg(log_info,
             "CLOSE host=%s port=%d fd=%d "
-            "time=%llu.%03llu bytes=%llu",
+            "time=%llu.%03llu bytes=%llu iter=%lu",
             client->ipaddr, client->port, client->fd,
             dt / 1000, dt % 1000,
-            client->bytes_sent);
+            client->bytes_sent,
+            client->send_iter);
     statistics.milliseconds += dt;
     close(client->fd);
     free(client);
@@ -647,6 +650,7 @@ sendline(struct client *client, int max_line_length, unsigned long *rng)
             }
         } else {
             client->bytes_sent += out;
+            client->send_iter++;
             statistics.bytes_sent += out;
             return client;
         }