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adding udp-dumper.c bis

master
tonton Th 2 years ago
parent
commit
2ce7b5dd14
3 changed files with 140 additions and 0 deletions
  1. +8
    -0
      tools/Makefile
  2. +11
    -0
      tools/README.md
  3. +121
    -0
      tools/udp-dumper.c

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tools/Makefile View File

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#
# Various OSC tools
#
# https://git.tetalab.org/tTh/gadgets-OSC
udp-dumper: udp-dumper.c Makefile
gcc -Wall $< -o $@

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tools/README.md View File

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# Various OSC tools
## relay.py
Quick hack build with a disgusting language.
## udp-dumper
This is not really an OSC dedicated tools, but a general purpose one.

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tools/udp-dumper.c View File

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/*
* general purpose UDP dumper
*
* made by tTh, around 2019...
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <ctype.h>
#include <sys/time.h>
#include <arpa/inet.h>
#include <sys/types.h>
#include <sys/socket.h>
#define PORT 5002
#define BUFLEN 1024
int verbosity = 0;
/* ----------------------------------------------------------------- */
int dumpln(unsigned char *ptr)
{
int foo;
for (foo=0; foo<16; foo++)
printf("%02x ", ptr[foo]);
printf("| ");
for (foo=0; foo<16; foo++)
if (isprint(ptr[foo])) putchar(ptr[foo]);
else putchar('.');
printf(" |\n");
return 0;
}
/* ----------------------------------------------------------------- */
void udp_dumper(uint16_t port)
{
unsigned char buffer[BUFLEN];
struct sockaddr_in si_me, si_other;
int sock, foo, bar, flag_exit;
unsigned int slen=sizeof(si_other);
long serial;
double starttime, curtime;
struct timeval tp;
if (-1==(sock=socket(AF_INET, SOCK_DGRAM, IPPROTO_UDP))) {
perror("socket fail ");
exit(1);
}
#if DEBUG_LEVEL
fprintf(stderr, "port %d / sock -> %d\n", port, sock);
#endif
memset((char *) &si_me, 0, sizeof(si_me));
si_me.sin_family = AF_INET;
si_me.sin_port = htons(port);
si_me.sin_addr.s_addr = htonl(INADDR_ANY);
if (bind(sock, (struct sockaddr *)&si_me, sizeof(si_me))==-1) {
perror("'bind' failure ");
exit(1);
}
flag_exit = 0; serial = 0L;
gettimeofday(&tp, NULL);
starttime = tp.tv_sec + tp.tv_usec / 1e6;
do {
memset(buffer, 0, BUFLEN);
slen = sizeof(si_other);
foo = recvfrom(sock, buffer, BUFLEN, 0,
(struct sockaddr *)&si_other, &slen);
if (verbosity) {
gettimeofday(&tp, NULL);
curtime = tp.tv_sec + tp.tv_usec / 1e6;
printf("----+ %5d b ts: %.3f\n", foo, curtime - starttime);
}
for (bar=0; bar<=foo; bar+=16) {
printf("%3ld | ", serial);
dumpln(buffer+bar);
}
serial++;
} while ( !flag_exit);
}
/* ----------------------------------------------------------------- */
void help(int foo)
{
puts("\t-h\tthis help text");
puts("\t-p NNNN\treceiving port number");
puts("\t-v\tincrease verbosity");
exit(0);
return ;
}
/* ----------------------------------------------------------------- */
int main(int argc, char *argv[])
{
int opt, port;
port = PORT;
/* parsing command line options */
while ((opt = getopt(argc, argv, "hp:v")) != -1) {
switch (opt) {
case 'h': help(0); break;
case 'p': port = atoi(optarg); break;
case 'v': verbosity++; break;
default: exit(1);
}
}
udp_dumper(port);
return 0;
}
/* ----------------------------------------------------------------- */

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