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-rw-r--r--Documentation/connector/ucon.c250
1 files changed, 0 insertions, 250 deletions
diff --git a/Documentation/connector/ucon.c b/Documentation/connector/ucon.c
deleted file mode 100644
index 4848db8..0000000
--- a/Documentation/connector/ucon.c
+++ /dev/null
@@ -1,250 +0,0 @@
-/*
- * ucon.c
- *
- * Copyright (c) 2004+ Evgeniy Polyakov <zbr@ioremap.net>
- *
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
- */
-
-#include <asm/types.h>
-
-#include <sys/types.h>
-#include <sys/socket.h>
-#include <sys/poll.h>
-
-#include <linux/netlink.h>
-#include <linux/rtnetlink.h>
-
-#include <arpa/inet.h>
-
-#include <stdbool.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <unistd.h>
-#include <string.h>
-#include <errno.h>
-#include <time.h>
-#include <getopt.h>
-
-#include <linux/connector.h>
-
-#define DEBUG
-#define NETLINK_CONNECTOR 11
-
-/* Hopefully your userspace connector.h matches this kernel */
-#define CN_TEST_IDX CN_NETLINK_USERS + 3
-#define CN_TEST_VAL 0x456
-
-#ifdef DEBUG
-#define ulog(f, a...) fprintf(stdout, f, ##a)
-#else
-#define ulog(f, a...) do {} while (0)
-#endif
-
-static int need_exit;
-static __u32 seq;
-
-static int netlink_send(int s, struct cn_msg *msg)
-{
- struct nlmsghdr *nlh;
- unsigned int size;
- int err;
- char buf[128];
- struct cn_msg *m;
-
- size = NLMSG_SPACE(sizeof(struct cn_msg) + msg->len);
-
- nlh = (struct nlmsghdr *)buf;
- nlh->nlmsg_seq = seq++;
- nlh->nlmsg_pid = getpid();
- nlh->nlmsg_type = NLMSG_DONE;
- nlh->nlmsg_len = NLMSG_LENGTH(size - sizeof(*nlh));
- nlh->nlmsg_flags = 0;
-
- m = NLMSG_DATA(nlh);
-#if 0
- ulog("%s: [%08x.%08x] len=%u, seq=%u, ack=%u.\n",
- __func__, msg->id.idx, msg->id.val, msg->len, msg->seq, msg->ack);
-#endif
- memcpy(m, msg, sizeof(*m) + msg->len);
-
- err = send(s, nlh, size, 0);
- if (err == -1)
- ulog("Failed to send: %s [%d].\n",
- strerror(errno), errno);
-
- return err;
-}
-
-static void usage(void)
-{
- printf(
- "Usage: ucon [options] [output file]\n"
- "\n"
- "\t-h\tthis help screen\n"
- "\t-s\tsend buffers to the test module\n"
- "\n"
- "The default behavior of ucon is to subscribe to the test module\n"
- "and wait for state messages. Any ones received are dumped to the\n"
- "specified output file (or stdout). The test module is assumed to\n"
- "have an id of {%u.%u}\n"
- "\n"
- "If you get no output, then verify the cn_test module id matches\n"
- "the expected id above.\n"
- , CN_TEST_IDX, CN_TEST_VAL
- );
-}
-
-int main(int argc, char *argv[])
-{
- int s;
- char buf[1024];
- int len;
- struct nlmsghdr *reply;
- struct sockaddr_nl l_local;
- struct cn_msg *data;
- FILE *out;
- time_t tm;
- struct pollfd pfd;
- bool send_msgs = false;
-
- while ((s = getopt(argc, argv, "hs")) != -1) {
- switch (s) {
- case 's':
- send_msgs = true;
- break;
-
- case 'h':
- usage();
- return 0;
-
- default:
- /* getopt() outputs an error for us */
- usage();
- return 1;
- }
- }
-
- if (argc != optind) {
- out = fopen(argv[optind], "a+");
- if (!out) {
- ulog("Unable to open %s for writing: %s\n",
- argv[1], strerror(errno));
- out = stdout;
- }
- } else
- out = stdout;
-
- memset(buf, 0, sizeof(buf));
-
- s = socket(PF_NETLINK, SOCK_DGRAM, NETLINK_CONNECTOR);
- if (s == -1) {
- perror("socket");
- return -1;
- }
-
- l_local.nl_family = AF_NETLINK;
- l_local.nl_groups = -1; /* bitmask of requested groups */
- l_local.nl_pid = 0;
-
- ulog("subscribing to %u.%u\n", CN_TEST_IDX, CN_TEST_VAL);
-
- if (bind(s, (struct sockaddr *)&l_local, sizeof(struct sockaddr_nl)) == -1) {
- perror("bind");
- close(s);
- return -1;
- }
-
-#if 0
- {
- int on = 0x57; /* Additional group number */
- setsockopt(s, SOL_NETLINK, NETLINK_ADD_MEMBERSHIP, &on, sizeof(on));
- }
-#endif
- if (send_msgs) {
- int i, j;
-
- memset(buf, 0, sizeof(buf));
-
- data = (struct cn_msg *)buf;
-
- data->id.idx = CN_TEST_IDX;
- data->id.val = CN_TEST_VAL;
- data->seq = seq++;
- data->ack = 0;
- data->len = 0;
-
- for (j=0; j<10; ++j) {
- for (i=0; i<1000; ++i) {
- len = netlink_send(s, data);
- }
-
- ulog("%d messages have been sent to %08x.%08x.\n", i, data->id.idx, data->id.val);
- }
-
- return 0;
- }
-
-
- pfd.fd = s;
-
- while (!need_exit) {
- pfd.events = POLLIN;
- pfd.revents = 0;
- switch (poll(&pfd, 1, -1)) {
- case 0:
- need_exit = 1;
- break;
- case -1:
- if (errno != EINTR) {
- need_exit = 1;
- break;
- }
- continue;
- }
- if (need_exit)
- break;
-
- memset(buf, 0, sizeof(buf));
- len = recv(s, buf, sizeof(buf), 0);
- if (len == -1) {
- perror("recv buf");
- close(s);
- return -1;
- }
- reply = (struct nlmsghdr *)buf;
-
- switch (reply->nlmsg_type) {
- case NLMSG_ERROR:
- fprintf(out, "Error message received.\n");
- fflush(out);
- break;
- case NLMSG_DONE:
- data = (struct cn_msg *)NLMSG_DATA(reply);
-
- time(&tm);
- fprintf(out, "%.24s : [%x.%x] [%08u.%08u].\n",
- ctime(&tm), data->id.idx, data->id.val, data->seq, data->ack);
- fflush(out);
- break;
- default:
- break;
- }
- }
-
- close(s);
- return 0;
-}