include ../../build/config.mk
-include ../../build/module.mk
\ No newline at end of file
+include ../../build/module.mk
+include ../../build/gccconfig.mk
+
+BWC_LDFLAGS =
+BWC_CFLAGS =
+BWC_BIN = luci-bwc
+BWC_OBJ = src/luci-bwc.o
+
+%.o: %.c
+ $(COMPILE) $(BWC_CFLAGS) $(LUA_CFLAGS) $(FPIC) -c -o $@ $<
+
+compile: build-clean $(BWC_OBJ)
+ $(LINK) $(BWC_LDFLAGS) -o src/$(BWC_BIN) $(BWC_OBJ)
+ mkdir -p dist/usr/bin
+ cp src/$(BWC_BIN) dist/usr/bin/$(BWC_BIN)
+
+install: build
+ cp -pR dist/usr/bin/$(BWC_BIN) /usr/bin/$(BWC_BIN)
+
+clean: build-clean
+
+build-clean:
+ rm -f src/*.o src/$(BWC_BIN)
--- /dev/null
+<?xml version="1.0" standalone="no"?>
+<!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN" "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd">
+
+<svg width="100%" height="100%" version="1.1" xmlns="http://www.w3.org/2000/svg">
+ <line x1="0" y1="25%" x2="100%" y2="25%" style="stroke:black;stroke-width:0.1" />
+ <text id="label_75" x="20" y="24%" style="fill:#999999; font-size:9pt"> </text>
+
+ <line x1="0" y1="50%" x2="100%" y2="50%" style="stroke:black;stroke-width:0.1" />
+ <text id="label_50" x="20" y="49%" style="fill:#999999; font-size:9pt"> </text>
+
+ <line x1="0" y1="75%" x2="100%" y2="75%" style="stroke:black;stroke-width:0.1" />
+ <text id="label_25" x="20" y="74%" style="fill:#999999; font-size:9pt"> </text>
+
+ <polyline id="rx" points="" style="fill:blue;fill-opacity:0.4;stroke:blue;stroke-width:1" />
+ <polyline id="tx" points="" style="fill:green;fill-opacity:0.4;stroke:green;stroke-width:1" />
+</svg>
--- /dev/null
+#!/bin/sh
+
+[ -n "${IPKG_INSTROOT}" ] || {
+ /etc/init.d/luci_bwc enabled || /etc/init.d/luci_bwc enable
+ exit 0
+}
entry({"admin", "status", "syslog"}, call("action_syslog"), i18n("System Log"), 5)
entry({"admin", "status", "dmesg"}, call("action_dmesg"), i18n("Kernel Log"), 6)
+ entry({"admin", "status", "bandwidth"}, template("admin_status/bandwidth"), i18n("Realtime Traffic"), 7).leaf = true
+ entry({"admin", "status", "bandwidth_status"}, call("action_bandwidth")).leaf = true
+
end
function action_syslog()
luci.template.render("admin_status/iptables")
end
end
+
+function action_bandwidth()
+ local path = luci.dispatcher.context.requestpath
+ local iface = path[#path]
+
+ local fs = require "luci.fs"
+ if fs.access("/var/lib/luci-bwc/%s" % iface) then
+ luci.http.prepare_content("application/json")
+
+ local bwc = io.popen("luci-bwc -p %q 2>/dev/null" % iface)
+ if bwc then
+ luci.http.write("[")
+
+ while true do
+ local ln = bwc:read("*l")
+ if not ln then break end
+ luci.http.write(ln)
+ end
+
+ luci.http.write("]")
+ bwc:close()
+ end
+
+ return
+ end
+
+ luci.http.status(404, "No such interface")
+end
--- /dev/null
+<%#
+LuCI - Lua Configuration Interface
+Copyright 2010 Jo-Philipp Wich <xm@subsignal.org>
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+ http://www.apache.org/licenses/LICENSE-2.0
+
+$Id$
+
+-%>
+
+<%-
+ local dev
+ local devices = { }
+ for _, dev in luci.util.kspairs(luci.sys.net.devices()) do
+ if dev ~= "lo" then
+ devices[#devices+1] = dev
+ end
+ end
+
+ local curdev = luci.dispatcher.context.requestpath
+ curdev = curdev[#curdev] ~= "bandwidth" and curdev[#curdev] or devices[1]
+-%>
+
+<%+header%>
+
+<script type="text/javascript" src="<%=resource%>/cbi.js"></script>
+<script type="text/javascript">//<![CDATA[
+ var bwxhr = new XHR();
+
+ var G;
+ var TIME = 0;
+ var RXB = 1;
+ var RXP = 2;
+ var TXB = 3;
+ var TXP = 4;
+
+ var width = 760;
+ var height = 300;
+ var step = 5;
+
+ var data_wanted = Math.floor(width / step);
+ var data_fill = 0;
+ var data_stamp = 0;
+
+ var data_rx = [ ];
+ var data_tx = [ ];
+
+ var line_rx;
+ var line_tx;
+
+ var label_25;
+ var label_50;
+ var label_75;
+
+ var label_rx_cur;
+ var label_rx_avg;
+ var label_rx_peak;
+
+ var label_tx_cur;
+ var label_tx_avg;
+ var label_tx_peak;
+
+ var label_scale;
+
+
+ function bandwidth_label(bytes, br)
+ {
+ var uby = 'KByte';
+ var kby = (bytes / 1024);
+
+ if (kby >= 1024)
+ {
+ uby = 'MByte';
+ kby = kby / 1024;
+ }
+
+ var ubi = 'KBit';
+ var kbi = (bytes * 8 / 1024);
+
+ if (kbi >= 1024)
+ {
+ ubi = 'MBit';
+ kbi = kbi / 1024;
+ }
+
+ return String.format("%f %s/s%s(%f %s/s)",
+ kbi.toFixed(2), ubi,
+ br ? '<br />' : ' ',
+ kby.toFixed(2), uby
+ );
+ }
+
+ function update_graph()
+ {
+ bwxhr.get('<%=build_url("admin/status/bandwidth_status", curdev)%>', null,
+ function(x, data)
+ {
+ var data_max = 0;
+ var data_scale = 0;
+
+ var data_rx_avg = 0;
+ var data_tx_avg = 0;
+
+ var data_rx_peak = 0;
+ var data_tx_peak = 0;
+
+ for (var i = data_stamp ? 0 : 1; i < data.length; i++)
+ {
+ /* skip overlapping entries */
+ if (data[i][TIME] <= data_stamp)
+ continue;
+
+ /* normalize difference against time interval */
+ var time_delta = data[i][TIME] - data[i-1][TIME];
+ if (time_delta)
+ {
+ data_rx.push((data[i][RXB] - data[i-1][RXB]) / time_delta);
+ data_tx.push((data[i][TXB] - data[i-1][TXB]) / time_delta);
+ }
+ }
+
+ /* cut off outdated entries */
+ data_rx = data_rx.slice(data_rx.length - data_wanted, data_rx.length);
+ data_tx = data_tx.slice(data_tx.length - data_wanted, data_tx.length);
+
+ /* find peak */
+ for (var i = 0; i < data_rx.length; i++)
+ {
+ data_max = Math.max(data_max, data_rx[i]);
+ data_max = Math.max(data_max, data_tx[i]);
+
+ data_rx_peak = Math.max(data_rx_peak, data_rx[i]);
+ data_tx_peak = Math.max(data_tx_peak, data_tx[i]);
+
+ if (i > 0)
+ {
+ data_rx_avg = (data_rx_avg + data_rx[i]) / 2;
+ data_tx_avg = (data_tx_avg + data_tx[i]) / 2;
+ }
+ else
+ {
+ data_rx_avg = data_rx[i];
+ data_tx_avg = data_tx[i];
+ }
+ }
+
+ /* remember current timestamp, calculate horizontal scale */
+ data_stamp = data[data.length-1][TIME];
+ data_scale = height / (data_max * 1.1);
+
+
+ /* plot data */
+ var pt_rx = '0,' + height;
+ var pt_tx = '0,' + height;
+
+ var y_rx = 0;
+ var y_tx = 0;
+
+ for (var i = 0; i < data_rx.length; i++)
+ {
+ var x = i * step;
+
+ y_rx = height - Math.floor(data_rx[i] * data_scale);
+ y_tx = height - Math.floor(data_tx[i] * data_scale);
+
+ pt_rx += ' ' + x + ',' + y_rx;
+ pt_tx += ' ' + x + ',' + y_tx;
+ }
+
+ pt_rx += ' ' + width + ',' + y_rx + ' ' + width + ',' + height;
+ pt_tx += ' ' + width + ',' + y_tx + ' ' + width + ',' + height;
+
+
+ line_rx.setAttribute('points', pt_rx);
+ line_tx.setAttribute('points', pt_tx);
+
+ label_25.firstChild.data = bandwidth_label(1.1 * 0.25 * data_max);
+ label_50.firstChild.data = bandwidth_label(1.1 * 0.50 * data_max);
+ label_75.firstChild.data = bandwidth_label(1.1 * 0.75 * data_max);
+
+ label_rx_cur.innerHTML = bandwidth_label(data_rx[data_rx.length-1], true);
+ label_tx_cur.innerHTML = bandwidth_label(data_tx[data_tx.length-1], true);
+
+ label_rx_avg.innerHTML = bandwidth_label(data_rx_avg, true);
+ label_tx_avg.innerHTML = bandwidth_label(data_tx_avg, true);
+
+ label_rx_peak.innerHTML = bandwidth_label(data_rx_peak, true);
+ label_tx_peak.innerHTML = bandwidth_label(data_tx_peak, true);
+
+ /* reset timer */
+ window.setTimeout(update_graph, 1000);
+ }
+ )
+ }
+
+ /* wait for SVG */
+ window.setTimeout(
+ function() {
+ G = document.embeds["bwsvg"].getSVGDocument();
+
+ if (!G)
+ {
+ window.setTimeout(arguments.callee, 1000);
+ }
+ else
+ {
+ /* find sizes */
+ width = document.embeds["bwsvg"].offsetWidth - 2;
+ height = document.embeds["bwsvg"].offsetHeight - 2;
+ data_wanted = Math.ceil(width / step);
+
+ /* prefill datasets */
+ for (var i = 0; i < data_wanted; i++)
+ {
+ data_rx[i] = 0;
+ data_tx[i] = 0;
+ }
+
+ /* find svg elements */
+ line_rx = G.getElementById('rx');
+ line_tx = G.getElementById('tx');
+
+ label_25 = G.getElementById('label_25');
+ label_50 = G.getElementById('label_50');
+ label_75 = G.getElementById('label_75');
+
+ label_rx_cur = document.getElementById('rx_bw_cur');
+ label_rx_avg = document.getElementById('rx_bw_avg');
+ label_rx_peak = document.getElementById('rx_bw_peak');
+
+ label_tx_cur = document.getElementById('tx_bw_cur');
+ label_tx_avg = document.getElementById('tx_bw_avg');
+ label_tx_peak = document.getElementById('tx_bw_peak');
+
+ label_scale = document.getElementById('scale');
+
+
+ /* plot horizontal time interval lines */
+ for (var i = step * 60; i < width; i += step * 60)
+ {
+ var line = G.createElementNS('http://www.w3.org/2000/svg', 'line');
+ line.setAttribute('x1', i);
+ line.setAttribute('y1', 0);
+ line.setAttribute('x2', i);
+ line.setAttribute('y2', '100%');
+ line.setAttribute('style', 'stroke:black;stroke-width:0.1');
+
+ var text = G.createElementNS('http://www.w3.org/2000/svg', 'text');
+ text.setAttribute('x', i + 5);
+ text.setAttribute('y', 15);
+ text.setAttribute('style', 'fill:#999999; font-size:9pt');
+ text.appendChild(G.createTextNode(Math.round(i / step / 60) + 'm'));
+
+ label_25.parentNode.appendChild(line);
+ label_25.parentNode.appendChild(text);
+ }
+
+ label_scale.innerHTML = String.format('<%:(%d minute window, %d second interval)%>', data_wanted / 60, 1);
+
+ /* render datasets, start update interval */
+ update_graph();
+ }
+ }, 1000
+ );
+//]]></script>
+
+<h2><a id="content" name="content"><%:Realtime Traffic%></a></h2>
+
+<ul class="cbi-tabmenu">
+ <% for _, dev in ipairs(devices) do %>
+ <li class="cbi-tab<%= dev == curdev and "" or "-disabled" %>"><a href="<%=pcdata(dev)%>"><%=pcdata(dev)%></a></li>
+ <% end %>
+</ul>
+
+<embed id="bwsvg" style="width:100%; height:300px; border:1px solid #000000; background-color:#FFFFFF" src="<%=resource%>/bandwidth.svg" />
+<div style="text-align:right"><small id="scale">-</small></div>
+<br />
+
+<table style="width:100%; table-layout:fixed" cellspacing="5">
+ <tr>
+ <td style="text-align:right; vertical-align:top"><strong style="border-bottom:2px solid blue"><%:Inbound:%></strong></td>
+ <td id="rx_bw_cur">0 kbit/s<br />(0 KB/s)</td>
+
+ <td style="text-align:right; vertical-align:top"><strong><%:Average:%></strong></td>
+ <td id="rx_bw_avg">0 kbit/s<br />(0 KB/s)</td>
+
+ <td style="text-align:right; vertical-align:top"><strong><%:Peak:%></strong></td>
+ <td id="rx_bw_peak">0 kbit/s<br />(0 KB/s)</td>
+ </tr>
+ <tr>
+ <td style="text-align:right; vertical-align:top"><strong style="border-bottom:2px solid green"><%:Outbound:%></strong></td>
+ <td id="tx_bw_cur">0 kbit/s<br />(0 KB/s)</td>
+
+ <td style="text-align:right; vertical-align:top"><strong><%:Average:%></strong></td>
+ <td id="tx_bw_avg">0 kbit/s<br />(0 KB/s)</td>
+
+ <td style="text-align:right; vertical-align:top"><strong><%:Peak:%></strong></td>
+ <td id="tx_bw_peak">0 kbit/s<br />(0 KB/s)</td>
+ </tr>
+</table>
+
+
+<pre id="debug"></pre>
+
+
+<%+footer%>
--- /dev/null
+#!/bin/sh /etc/rc.common
+
+START=95
+STOP=95
+
+BWC=/usr/bin/luci-bwc
+
+start() {
+ $BWC -d
+}
+
+stop() {
+ killall ${BWC##*/}
+}
--- /dev/null
+/*
+ * luci-bwc - Very simple bandwidth collector cache for LuCI realtime graphs
+ *
+ * Copyright (C) 2010 Jo-Philipp Wich <xm@subsignal.org>
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+#include <stdint.h>
+#include <inttypes.h>
+#include <fcntl.h>
+#include <time.h>
+#include <errno.h>
+#include <unistd.h>
+
+#include <sys/stat.h>
+#include <sys/mman.h>
+#include <arpa/inet.h>
+
+
+#define STEP_COUNT 60
+#define STEP_TIME 1
+
+#define DB_PATH "/var/lib/luci-bwc"
+#define DB_FILE DB_PATH "/%s"
+
+#define SCAN_PATTERN \
+ " %[^ :]:%" SCNu64 " %" SCNu64 \
+ " %*d %*d %*d %*d %*d %*d" \
+ " %" SCNu64 " %" SCNu64
+
+
+struct traffic_entry {
+ uint64_t time;
+ uint64_t rxb;
+ uint64_t rxp;
+ uint64_t txb;
+ uint64_t txp;
+};
+
+static uint64_t htonll(uint64_t value)
+{
+ int num = 1;
+
+ if (*(char *)&num == 1)
+ return htonl((uint32_t)(value & 0xFFFFFFFF)) |
+ htonl((uint32_t)(value >> 32));
+
+ return value;
+}
+
+#define ntohll htonll
+
+
+static int init_minutely(const char *ifname)
+{
+ int i, file;
+ char path[1024];
+ char *p;
+ struct traffic_entry e = { 0 };
+
+ snprintf(path, sizeof(path), DB_FILE, ifname);
+
+ for (p = &path[1]; *p; p++)
+ {
+ if (*p == '/')
+ {
+ *p = 0;
+
+ if (mkdir(path, 0700) && (errno != EEXIST))
+ return -1;
+
+ *p = '/';
+ }
+ }
+
+ if ((file = open(path, O_WRONLY | O_CREAT, 0600)) >= 0)
+ {
+ for (i = 0; i < STEP_COUNT; i++)
+ {
+ if (write(file, &e, sizeof(struct traffic_entry)) < 0)
+ break;
+ }
+
+ close(file);
+
+ return 0;
+ }
+
+ return -1;
+}
+
+static int update_minutely(
+ const char *ifname, uint64_t rxb, uint64_t rxp, uint64_t txb, uint64_t txp
+) {
+ int rv = -1;
+
+ int file;
+ int entrysize = sizeof(struct traffic_entry);
+ int mapsize = STEP_COUNT * entrysize;
+
+ char path[1024];
+ char *map;
+
+ struct stat s;
+ struct traffic_entry e;
+
+ snprintf(path, sizeof(path), DB_FILE, ifname);
+
+ if (stat(path, &s))
+ {
+ if (init_minutely(ifname))
+ {
+ fprintf(stderr, "Failed to init %s: %s\n",
+ path, strerror(errno));
+
+ return rv;
+ }
+ }
+
+ if ((file = open(path, O_RDWR)) >= 0)
+ {
+ map = mmap(NULL, mapsize, PROT_READ | PROT_WRITE,
+ MAP_SHARED | MAP_LOCKED, file, 0);
+
+ if ((map != NULL) && (map != MAP_FAILED))
+ {
+ e.time = htonll(time(NULL));
+ e.rxb = htonll(rxb);
+ e.rxp = htonll(rxp);
+ e.txb = htonll(txb);
+ e.txp = htonll(txp);
+
+ memmove(map, map + entrysize, mapsize - entrysize);
+ memcpy(map + mapsize - entrysize, &e, entrysize);
+
+ munmap(map, mapsize);
+
+ rv = 0;
+ }
+
+ close(file);
+ }
+
+ return rv;
+}
+
+static int run_daemon(int nofork)
+{
+ FILE *info;
+ uint64_t rxb, txb, rxp, txp;
+ char line[1024];
+ char ifname[16];
+
+
+ if (!nofork)
+ {
+ switch (fork())
+ {
+ case -1:
+ perror("fork()");
+ return -1;
+
+ case 0:
+ if (chdir("/") < 0)
+ {
+ perror("chdir()");
+ exit(1);
+ }
+
+ close(0);
+ close(1);
+ close(2);
+ break;
+
+ default:
+ exit(0);
+ }
+ }
+
+
+ /* go */
+ while (1)
+ {
+ if ((info = fopen("/proc/net/dev", "r")) != NULL)
+ {
+ while (fgets(line, sizeof(line), info))
+ {
+ if (strchr(line, '|'))
+ continue;
+
+ if (sscanf(line, SCAN_PATTERN, ifname, &rxb, &rxp, &txb, &txp))
+ {
+ if (strncmp(ifname, "lo", sizeof(ifname)))
+ update_minutely(ifname, rxb, rxp, txb, txp);
+ }
+ }
+
+ fclose(info);
+ }
+
+ sleep(STEP_TIME);
+ }
+}
+
+static int run_dump(const char *ifname)
+{
+ int rv = 1;
+
+ int i, file;
+ int entrysize = sizeof(struct traffic_entry);
+ int mapsize = STEP_COUNT * entrysize;
+
+ char path[1024];
+ char *map;
+
+ struct traffic_entry *e;
+
+ snprintf(path, sizeof(path), DB_FILE, ifname);
+
+ if ((file = open(path, O_RDONLY)) >= 0)
+ {
+ map = mmap(NULL, mapsize, PROT_READ, MAP_SHARED | MAP_LOCKED, file, 0);
+
+ if ((map != NULL) && (map != MAP_FAILED))
+ {
+ for (i = 0; i < mapsize; i += entrysize)
+ {
+ e = (struct traffic_entry *) &map[i];
+
+ if (!e->time)
+ continue;
+
+ printf("[ %" PRIu64 ", %" PRIu64 ", %" PRIu64
+ ", %" PRIu64 ", %" PRIu64 " ]%s\n",
+ ntohll(e->time),
+ ntohll(e->rxb), ntohll(e->rxp),
+ ntohll(e->txb), ntohll(e->txp),
+ ((i + entrysize) < mapsize) ? "," : "");
+ }
+
+ munmap(map, mapsize);
+ rv = 0;
+ }
+
+ close(file);
+ }
+ else
+ {
+ fprintf(stderr, "Failed to open %s: %s\n", path, strerror(errno));
+ }
+
+ return rv;
+}
+
+
+int main(int argc, char *argv[])
+{
+ int opt;
+ int daemon = 0;
+ int nofork = 0;
+ int dprint = 0;
+ char *ifname = NULL;
+
+ while ((opt = getopt(argc, argv, "dfp:")) > -1)
+ {
+ switch (opt)
+ {
+ case 'd':
+ daemon = 1;
+ break;
+
+ case 'f':
+ nofork = 1;
+ break;
+
+ case 'p':
+ dprint = 1;
+ ifname = optarg;
+ break;
+
+ default:
+ break;
+ }
+ }
+
+ if (daemon)
+ return run_daemon(nofork);
+
+ else if (dprint && ifname)
+ return run_dump(ifname);
+
+ else
+ fprintf(stderr,
+ "Usage:\n"
+ " %s -d [-f]\n"
+ " %s -p ifname\n",
+ argv[0], argv[0]
+ );
+
+ return 1;
+}
projects / oweals / luci.git / commitdiff
