Changes between Initial Version and Version 1 of Old/Athstats/athstats-oml

Timestamp:

Apr 5, 2006, 3:24:50 AM (20 years ago)

Author:

pkamat

Comment:

—

Old/Athstats/athstats-oml

@@ +1 @@
+{{{
+/*-
+ * Copyright (c) 2002-2004 Sam Leffler, Errno Consulting
+ * All 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,
+ *    without modification.
+ * 2. Redistributions in binary form must reproduce at minimum a disclaimer
+ *    similar to the "NO WARRANTY" disclaimer below ("Disclaimer") and any
+ *    redistribution must be conditioned upon including a substantially
+ *    similar Disclaimer requirement for further binary redistribution.
+ * 3. Neither the names of the above-listed copyright holders nor the names
+ *    of any contributors may be used to endorse or promote products derived
+ *    from this software without specific prior written permission.
+ *
+ * Alternatively, this software may be distributed under the terms of the
+ * GNU General Public License ("GPL") version 2 as published by the Free
+ * Software Foundation.
+ *
+ * NO WARRANTY
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF NONINFRINGEMENT, MERCHANTIBILITY
+ * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR 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 DAMAGES.
+ *
+ * $FreeBSD: src/tools/tools/ath/athstats.c,v 1.4 2003/12/07 21:40:52 sam Exp $
+ */
+
+/*
+ * Simple Atheros-specific tool to inspect and monitor network traffic
+ * statistics.
+ *      athstats [--interface interface] [--interval interval]
+ * (default interface is ath0 and default interval is 1 second).  
+ * If interval is specified a rolling output is displayed every interval msec.
+ */
+
+/* Modified by Kishore Ramachandran - kishore@winlab.rutgers.edu. 
+   Oct 14 2005
+*/
+
+#include <sys/types.h>
+#include <sys/file.h>
+#include <sys/ioctl.h>
+#include <sys/socket.h>
+#include <linux/wireless.h>
+
+#include <stdio.h>
+#include <signal.h>
+#include <string.h>
+#include <stdlib.h>
+#include <err.h>
+#include <unistd.h>
+#include <sys/time.h> // For setitimer
+
+#include "ah_desc.h"
+#include "ieee80211_radiotap.h"
+#include "if_athioctl.h"
+#include "include/oml_orbit_winlab_athstats.h" // For OML
+
+static int signalled;
+
+static void
+catchalarm(int signo)
+{
+        signalled = 1;
+}
+
+int
+main(int argc, char *argv[])
+{
+  struct ifreq ifr;
+  struct itimerval it_val;
+  struct ath_stats cur, total;
+  u_long interval, off, icur, ocur, itot, otot;
+  int s, line, omask;
+  sigset_t oset1, oset2, *oset1_p, *oset2_p;
+
+  if (argc < 5) {
+    fprintf(stderr, "Usage: ./athfstats --interface name_of_interface --interval how often to query the driver in ms.\n");
+    fprintf(stderr, "E.g. : ./athfstats --interface ath0 --interval 100\n");
+    exit(-1);
+  }
+  
+  if ((s = socket(AF_INET, SOCK_DGRAM, 0)) < 0)
+    err(1, "socket");
+  
+  if (strcmp(argv[1], "--interface") == 0) {
+    if (!(strcmp(argv[2], "ath0")) || !(strcmp(argv[2], "ath1")))
+      strncpy(ifr.ifr_name, argv[2], sizeof (ifr.ifr_name));
+    else {
+      fprintf(stderr, "Expecting madwifi to name interfaces as ath0 or ath1. Using ath0 as default.\n");
+      strncpy(ifr.ifr_name, "ath0", sizeof (ifr.ifr_name));
+    }
+  } else {
+    fprintf(stderr, "Usage: ./athstats-oml --interface name_of_interface --interval interval_in_ms\n");
+    exit(-1);
+  }
+
+  if (strcmp(argv[3], "--interval") == 0) {
+    if ((interval = strtoul(argv[4], NULL, 0)) < 1) {
+      fprintf(stderr, "Expecting interval value greater than or equal to 1. Using 100ms as default.\n");
+      interval = 100;
+    }
+  } else {
+    fprintf(stderr, "Usage: ./athstats-oml --interface name_of_interface --interval interval_in_ms\n");
+    exit(-1);
+  }
+  
+  signal(SIGALRM, catchalarm);
+  signalled = 0;
+  it_val.it_value.tv_sec = interval/1000;
+  it_val.it_value.tv_usec = (interval*1000) % 1000000;
+  it_val.it_interval = it_val.it_value;
+  if (setitimer(ITIMER_REAL, &it_val, NULL) == -1) { 
+    perror("error calling setitimer()");
+    exit(-1);
+  }
+  
+  initialize_oml(&argc, (const char **)argv, NULL);
+  
+  line = 0;
+
+  // loop:
+  while (1) {
+    if (line != 0) {
+      ifr.ifr_data = (caddr_t) &cur;
+      if (ioctl(s, SIOCGATHSTATS, &ifr) < 0)
+        err(1, ifr.ifr_name);
+      
+      oml_queryport(cur.ast_tx_packets - total.ast_tx_packets, 
+                    cur.ast_tx_xretries - total.ast_tx_xretries, 
+                    cur.ast_tx_fifoerr - total.ast_tx_fifoerr,
+                    cur.ast_tx_filtered - total.ast_tx_filtered,
+                    cur.ast_tx_shortretry - total.ast_tx_shortretry,
+                    cur.ast_tx_longretry - total.ast_tx_longretry,
+                    cur.ast_rx_packets - total.ast_rx_packets,
+                    cur.ast_rx_crcerr - total.ast_rx_crcerr,
+                    cur.ast_rx_fifoerr - total.ast_rx_fifoerr,
+                    cur.ast_rx_phyerr - total.ast_rx_phyerr
+                    );
+      
+    total = cur;
+    itot = icur;
+    otot = ocur;
+    } else {
+      ifr.ifr_data = (caddr_t) &total;
+      if (ioctl(s, SIOCGATHSTATS, &ifr) < 0)
+        err(1, ifr.ifr_name);
+      
+      oml_queryport(total.ast_tx_packets, 
+                    total.ast_tx_xretries, 
+                    total.ast_tx_fifoerr,
+                    total.ast_tx_filtered,
+                    total.ast_tx_shortretry,
+                    total.ast_tx_longretry,
+                    total.ast_rx_packets,
+                    total.ast_rx_crcerr,
+                    total.ast_rx_fifoerr,
+                    total.ast_rx_phyerr
+                    );
+    }
+    
+    oset1_p = &oset1;
+    oset2_p = &oset2;
+    sigemptyset(oset1_p);
+    sigemptyset(oset2_p);
+    sigaddset(oset1_p, SIGALRM);
+    sigprocmask(SIG_BLOCK, oset1_p, oset2_p);
+    if (!signalled)
+      sigsuspend(oset2_p);
+    sigprocmask(SIG_SETMASK, oset2_p, NULL);
+    signalled = 0;
+    it_val.it_value.tv_sec = interval/1000;
+    it_val.it_value.tv_usec = (interval*1000) % 1000000;
+    it_val.it_interval = it_val.it_value;
+    if (setitimer(ITIMER_REAL, &it_val, NULL) == -1) {
+      perror("error calling setitimer()");
+      exit(-1);
+    } 
+    line++;
+  }
+  // goto loop;
+    
+  /*NOTREACHED*/
+  return 0;
+}
+
+
+}}}