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/*
* Copyright (C) 1999-2003, Ian Main <imain@stemwinder.org>.
* All rights reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sublicense, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject
* to the following conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR
* ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF
* CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*
*/
#include <roy.h>
void
decode_msg (char *msg, unsigned int len);
void
decode_msg (char *msg, unsigned int len)
{
RXpDecoder *decoder;
unsigned int length;
RBuf *bufval;
int intval;
unsigned int uintval;
float floatval;
double doubleval;
RXpDataType type;
decoder = rxp_decoder_new (msg, len);
length = rxp_decoder_msg_length (decoder);
printf ("Total message length is %u bytes.\n", length);
while (1) {
type = rxp_decode_peek_next_type (decoder);
if (type == 0) {
break;
}
if (type == RXP_TYPE_RBUF) {
if (rxp_decode_rbuf (decoder, &bufval)) {
printf ("Couldn't decode rbuf.\n");
break;
}
printf ("RBuf: '%s'\n", rbuf_str (bufval));
rbuf_free (bufval);
} else if (type == RXP_TYPE_NULL_RBUF) {
if (rxp_decode_rbuf (decoder, &bufval)) {
printf ("Couldn't decode NULL rbuf.\n");
break;
}
printf ("NULL RBuf\n");
} else if (type == RXP_TYPE_INT32) {
if (rxp_decode_rint32 (decoder, &intval)) {
printf ("Couldn't decode int32.\n");
break;
}
printf ("rint32: %d\n", intval);
} else if (type == RXP_TYPE_UINT32) {
if (rxp_decode_ruint32 (decoder, &uintval)) {
printf ("Couldn't decode int32.\n");
break;
}
printf ("ruint32: %d\n", uintval);
} else if (type == RXP_TYPE_FLOAT) {
if (rxp_decode_float (decoder, &floatval)) {
printf ("Couldn't decode float.\n");
break;
}
printf ("float: %f\n", floatval);
} else if (type == RXP_TYPE_DOUBLE) {
if (rxp_decode_double (decoder, &doubleval)) {
printf ("Couldn't decode double.\n");
break;
}
printf ("double: %f\n", doubleval);
}
}
rxp_decoder_free (decoder);
}
int main (int argc, char *argv[])
{
RXpDecoder *decoder;
char *buffer;
int len;
FILE *fp;
rinit ();
if (argc != 2) {
printf ("Usage: rxpdecode <filename>\n");
exit (0);
}
fp = fopen (argv[1], "r");
if (!fp) {
fprintf (stderr, "Error opening %s for writing: %s\n", argv[1], strerror (errno));
exit (0);
}
buffer = rmem_alloc (sizeof (rint32));
fread (buffer, sizeof (rint32), 1, fp);
decoder = rxp_decoder_new (buffer, sizeof (rint32));
len = rxp_decoder_msg_length (decoder);
buffer = rmem_realloc (buffer, len);
fread (buffer + sizeof (rint32), len - sizeof (rint32), 1, fp);
decode_msg (buffer, len);
rxp_decoder_free (decoder);
rcleanup ();
return 0;
}
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