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/*
* Linux WiMax
* Test of pipe API: dump messages received from named pipe
*
*
* Copyright (C) 2007-2008 Intel Corporation. All rights reserved.
* Inaky Perez-Gonzalez <inaky.perez-gonzalez@intel.com>
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
* * Neither the name of Intel Corporation nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* 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 MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* 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 DAMAGE.
*
*
* FIXME: docs
*/
#define _GNU_SOURCE
#include <errno.h>
#include <stdio.h>
#include <string.h>
#include <wimaxll.h>
static
void dump(const void *_ptr, size_t size)
{
const unsigned char *ptr = _ptr;
char str[64];
size_t cnt, itr;
for (itr = cnt = 0; cnt < size; cnt++) {
itr += snprintf(str + itr, sizeof(str) - itr,
"%02x ", ptr[cnt]);
if ((cnt > 0 && (cnt + 1) % 8 == 0) || (cnt == size - 1)) {
printf("%s\n", str);
itr = 0;
}
}
}
int main(int argc, char **argv)
{
ssize_t result;
unsigned pipe_id;
struct wimaxll_handle *wmx;
char *dev_name, *pipe_name;
void *buf;
if (argc < 3) {
fprintf(stderr, "E: need two arguments: IFNAME PIPENAME\n");
return 1;
}
dev_name = argv[1];
pipe_name = argv[2];
wmx = wimaxll_open(dev_name);
if (wmx == NULL) {
fprintf(stderr, "E: libwimax: open of interface %s "
"failed: %m\n", dev_name);
result = -errno;
goto error_wimaxll_open;
}
fprintf(stderr, "I: Reading from pipe %s\n", pipe_name);
result = wimaxll_pipe_open(wmx, pipe_name);
if (result < 0) {
fprintf(stderr, "E: cannot open pipe %s: %d\n",
pipe_name, result);
goto error_pipe_open;
}
pipe_id = result;
while (1) {
result = wimaxll_pipe_msg_read(wmx, pipe_id, &buf);
if (result < 0) {
fprintf(stderr, "E: reading from pipe %s failed: %d\n",
pipe_name, result);
break;
}
printf("I: message received from pipe %s, %zu bytes\n",
pipe_name, result);
dump(buf, result);
wimaxll_pipe_msg_free(buf);
}
wimaxll_pipe_close(wmx, pipe_id);
result = 0;
error_pipe_open:
wimaxll_close(wmx);
error_wimaxll_open:
return result;
}
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