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-rw-r--r--package/wprobe/src/exporter/Makefile5
-rw-r--r--package/wprobe/src/exporter/wprobe-export.c304
-rw-r--r--package/wprobe/src/exporter/wprobe-export.h34
3 files changed, 343 insertions, 0 deletions
diff --git a/package/wprobe/src/exporter/Makefile b/package/wprobe/src/exporter/Makefile
new file mode 100644
index 000000000..9f8150729
--- /dev/null
+++ b/package/wprobe/src/exporter/Makefile
@@ -0,0 +1,5 @@
+include ../Makefile.inc
+CPPFLAGS += -I../kernel -I../user
+
+wprobe-export: wprobe-export.c
+ $(CC) $(CPPFLAGS) $(CFLAGS) -o $@ $^ $(LDFLAGS) $(LIBS)
diff --git a/package/wprobe/src/exporter/wprobe-export.c b/package/wprobe/src/exporter/wprobe-export.c
new file mode 100644
index 000000000..a0e52e2f4
--- /dev/null
+++ b/package/wprobe/src/exporter/wprobe-export.c
@@ -0,0 +1,304 @@
+/*
+** exporter.c - example exporter
+**
+** Copyright Fraunhofer FOKUS
+**
+*/
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <string.h>
+#include <errno.h>
+
+#include <ipfix_def.h>
+#include <ipfix_def_fokus.h>
+#include <ipfix_fields_fokus.h>
+
+#include <ipfix.h>
+#include <mlog.h>
+#include <wprobe.h>
+#include <stdbool.h>
+
+static ipfix_datarecord_t g_data = { NULL, NULL, 0 };
+static int do_close = 0;
+
+struct wprobe_mapping {
+ int id;
+ bool counter;
+ const char *wprobe_id;
+ struct wprobe_value *val;
+};
+
+#ifndef ARRAY_SIZE
+#define ARRAY_SIZE(_array) (sizeof(_array) / sizeof((_array)[0]))
+#endif
+
+#define WMAP(_id, _name, ...) \
+ { \
+ .counter = false, \
+ .id = IPFIX_FT_WPROBE_##_id##_N, \
+ .wprobe_id = _name \
+ , ## __VA_ARGS__ \
+ }
+
+#define WMAP_COUNTER(_id, _name, ...) \
+ { \
+ .counter = true, \
+ .id = IPFIX_FT_WPROBE_##_id, \
+ .wprobe_id = _name \
+ , ## __VA_ARGS__ \
+ }
+
+
+#define WPROBE_OFFSET 2
+
+static struct wprobe_mapping map_globals[] = {
+ WMAP(NOISE, "noise"),
+ WMAP(PHY_BUSY, "phy_busy"),
+ WMAP(PHY_RX, "phy_rx"),
+ WMAP(PHY_TX, "phy_tx"),
+ WMAP_COUNTER(FRAMES, "frames"),
+ WMAP_COUNTER(PROBEREQ, "probereq"),
+};
+
+static struct wprobe_mapping map_perlink[] = {
+ WMAP(IEEE_TX_RATE, "tx_rate"),
+ WMAP(IEEE_RX_RATE, "rx_rate"),
+ WMAP(RSSI, "rssi"),
+ WMAP(SIGNAL, "signal"),
+ WMAP(RETRANSMIT_200, "retransmit_200"),
+ WMAP(RETRANSMIT_400, "retransmit_400"),
+ WMAP(RETRANSMIT_800, "retransmit_800"),
+ WMAP(RETRANSMIT_1600, "retransmit_1600"),
+};
+
+static unsigned char link_local[6];
+static char link_default[6];
+static int nfields = 0;
+
+#define FOKUS_USERID 12325
+
+static void
+match_template(struct wprobe_mapping *map, int n, struct list_head *list)
+{
+ struct wprobe_attribute *attr;
+ int i, j, last = -1;
+
+ list_for_each_entry(attr, list, list) {
+ for (i = 0; i < n; i++) {
+ j = (last + 1 + i) % n;
+ if (!strcmp(attr->name, map[j].wprobe_id))
+ goto found;
+ }
+ continue;
+found:
+ last = j;
+ map[j].val = &attr->val;
+ memset(&attr->val, 0, sizeof(attr->val));
+ nfields++;
+ }
+}
+
+/* name: export_ipfix_get_template()
+ */
+static ipfix_template_t *
+prepare_template(ipfix_t *handle)
+{
+ ipfix_template_t *t = NULL;
+ int size = 3 * nfields + WPROBE_OFFSET;
+ int i;
+
+ if (ipfix_new_data_template( handle, &t, size) < 0) {
+ mlogf( 0, "ipfix_new_template() failed: %s\n", strerror(errno) );
+ exit(1);
+ }
+
+ ipfix_add_field(handle, t, 0, IPFIX_FT_SOURCEMACADDRESS, 6);
+ ipfix_add_field(handle, t, 0, IPFIX_FT_DESTINATIONMACADDRESS, 6);
+
+ g_data.lens = calloc(size, sizeof(g_data.lens[0]));
+ g_data.lens[0] = 6;
+ g_data.lens[1] = 6;
+ for (i = WPROBE_OFFSET; i < size; i++)
+ g_data.lens[i] = 4;
+
+ g_data.addrs = calloc(size, sizeof(g_data.addrs[0]));
+ g_data.addrs[0] = link_local;
+ g_data.maxfields = WPROBE_OFFSET;
+ return t;
+}
+
+static void
+add_template_fields(ipfix_t *handle, ipfix_template_t *t, struct wprobe_mapping *map, int n)
+{
+ int f = g_data.maxfields;
+ int i;
+
+ for (i = 0; i < n; i++) {
+ if (!map[i].val)
+ continue;
+
+ if (map[i].counter)
+ g_data.addrs[f++] = &map[i].val->U32;
+ else
+ g_data.addrs[f++] = &map[i].val->n;
+
+ if (ipfix_add_field( handle, t, FOKUS_USERID, map[i].id + 0, 4) < 0)
+ exit(1);
+
+ if (map[i].counter)
+ continue;
+
+ g_data.lens[f] = 8;
+ g_data.addrs[f++] = &map[i].val->s;
+
+ g_data.lens[f] = 8;
+ g_data.addrs[f++] = &map[i].val->ss;
+ if (ipfix_add_field( handle, t, FOKUS_USERID, map[i].id + 1, 8) < 0)
+ exit(1);
+ if (ipfix_add_field( handle, t, FOKUS_USERID, map[i].id + 2, 8) < 0)
+ exit(1);
+ }
+ g_data.maxfields = f;
+}
+
+static void
+wprobe_dump_data(ipfix_t *ipfixh, ipfix_template_t *ipfixt, struct wprobe_iface *dev)
+{
+ struct wprobe_link *link;
+
+ wprobe_update_links(dev);
+ wprobe_request_data(dev, NULL);
+ if (list_empty(&dev->links)) {
+ g_data.addrs[1] = link_default;
+ ipfix_export_array(ipfixh, ipfixt, g_data.maxfields, g_data.addrs, g_data.lens);
+ ipfix_export_flush(ipfixh);
+ }
+ list_for_each_entry(link, &dev->links, list) {
+ g_data.addrs[1] = link->addr;
+ wprobe_request_data(dev, link->addr);
+ ipfix_export_array(ipfixh, ipfixt, g_data.maxfields, g_data.addrs, g_data.lens);
+ ipfix_export_flush(ipfixh);
+ }
+}
+
+int main ( int argc, char **argv )
+{
+ struct wprobe_iface *dev = NULL;
+ ipfix_template_t *ipfixt = NULL;
+ ipfix_t *ipfixh = NULL;
+ int protocol = IPFIX_PROTO_TCP;
+ char *chost = NULL;
+ char *ifname = NULL;
+ int sourceid = 12345;
+ int port = IPFIX_PORTNO;
+ int verbose_level = 0;
+ int opt, i = 10;
+ char *err = NULL;
+
+ while ((opt = getopt(argc, argv, "hi:c:p:vstu")) != EOF) {
+ switch (opt) {
+ case 'p':
+ if ((port=atoi(optarg)) <0) {
+ fprintf( stderr, "Invalid -p argument!\n" );
+ exit(1);
+ }
+ break;
+ case 'i':
+ ifname = optarg;
+ break;
+ case 'c':
+ chost = optarg;
+ break;
+
+ case 's':
+ protocol = IPFIX_PROTO_SCTP;
+ break;
+
+ case 't':
+ protocol = IPFIX_PROTO_TCP;
+ break;
+
+ case 'u':
+ protocol = IPFIX_PROTO_UDP;
+ break;
+
+ case 'v':
+ verbose_level ++;
+ break;
+
+ case 'h':
+ default:
+ fprintf(stderr, "usage: %s [-hstuv] -i <interface> -c <collector> [-p portno]\n"
+ " -h this help\n"
+ " -i <interface> wprobe interface\n"
+ " -c <collector> collector address\n"
+ " -p <portno> collector port number (default=%d)\n"
+ " -s send data via SCTP\n"
+ " -t send data via TCP (default)\n"
+ " -u send data via UDP\n"
+ " -v increase verbose level\n\n",
+ argv[0], IPFIX_PORTNO );
+ exit(1);
+ }
+ }
+
+ if (!ifname) {
+ fprintf(stderr, "No interface specified\n");
+ return -1;
+ }
+
+ if (!chost) {
+ fprintf(stderr, "No collector specified\n");
+ return -1;
+ }
+
+ dev = wprobe_get_auto(ifname, &err);
+ if (!dev || (list_empty(&dev->global_attr) && list_empty(&dev->link_attr))) {
+ fprintf(stderr, "Cannot connect to wprobe on interface '%s': %s\n", ifname, (err ? err : "Unknown error"));
+ return -1;
+ }
+
+ match_template(map_globals, ARRAY_SIZE(map_globals), &dev->global_attr);
+ match_template(map_perlink, ARRAY_SIZE(map_perlink), &dev->link_attr);
+ if (nfields == 0) {
+ fprintf(stderr, "No usable attributes found\n");
+ return -1;
+ }
+
+ mlog_set_vlevel( verbose_level );
+ if (ipfix_init() < 0) {
+ fprintf( stderr, "cannot init ipfix module: %s\n", strerror(errno) );
+ exit(1);
+ }
+
+ ipfix_add_vendor_information_elements(ipfix_ft_fokus);
+ if (ipfix_open(&ipfixh, sourceid, IPFIX_VERSION) < 0) {
+ fprintf( stderr, "ipfix_open() failed: %s\n", strerror(errno) );
+ exit(1);
+ }
+
+ if (ipfix_add_collector( ipfixh, chost, port, protocol ) < 0) {
+ fprintf( stderr, "ipfix_add_collector(%s,%d) failed: %s\n",
+ chost, port, strerror(errno));
+ exit(1);
+ }
+
+ fprintf(stderr, "Local link address: %02x:%02x:%02x:%02x:%02x:%02x\n",
+ link_local[0], link_local[1], link_local[2],
+ link_local[3], link_local[4], link_local[5]);
+
+ ipfixt = prepare_template(ipfixh);
+ add_template_fields(ipfixh, ipfixt, map_globals, ARRAY_SIZE(map_globals));
+ add_template_fields(ipfixh, ipfixt, map_perlink, ARRAY_SIZE(map_perlink));
+
+ while (!do_close) {
+ sleep(1);
+ wprobe_dump_data(ipfixh, ipfixt, dev);
+ }
+
+ ipfix_delete_template( ipfixh, ipfixt );
+ ipfix_close( ipfixh );
+ ipfix_cleanup();
+ exit(0);
+}
diff --git a/package/wprobe/src/exporter/wprobe-export.h b/package/wprobe/src/exporter/wprobe-export.h
new file mode 100644
index 000000000..89da9e86e
--- /dev/null
+++ b/package/wprobe/src/exporter/wprobe-export.h
@@ -0,0 +1,34 @@
+#include <inttypes.h>
+#include <stdint.h>
+#include <stdbool.h>
+
+/**
+ * struct wprobe_value: data structure for attribute values
+ * see kernel api netlink attributes for more information
+ */
+struct wprobe_value {
+ /* attribute value */
+ union data {
+ const char *STRING;
+ uint8_t U8;
+ uint16_t U16;
+ uint32_t U32;
+ uint64_t U64;
+ int8_t S8;
+ int16_t S16;
+ int32_t S32;
+ int64_t S64;
+ } data;
+ /* statistics */
+ int64_t s, ss;
+ double avg, stdev;
+ unsigned int n;
+ void *usedata; /* Pointer to used data.something */
+};
+
+struct exporter_data {
+ int id; /* ipfix id */
+ int userid; /* focus or global */
+ int size; /* size in byte*/
+ struct wprobe_value val;
+};
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-25 15:46:04 +0000