adding udp-dumper.c bis
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8
tools/Makefile
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tools/Makefile
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#
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# Various OSC tools
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#
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# https://git.tetalab.org/tTh/gadgets-OSC
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udp-dumper: udp-dumper.c Makefile
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gcc -Wall $< -o $@
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11
tools/README.md
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tools/README.md
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# Various OSC tools
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## relay.py
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Quick hack build with a disgusting language.
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## udp-dumper
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This is not really an OSC dedicated tools, but a general purpose one.
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121
tools/udp-dumper.c
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tools/udp-dumper.c
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/*
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* general purpose UDP dumper
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*
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* made by tTh, around 2019...
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <unistd.h>
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#include <ctype.h>
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#include <sys/time.h>
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#include <arpa/inet.h>
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#include <sys/types.h>
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#include <sys/socket.h>
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#define PORT 5002
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#define BUFLEN 1024
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int verbosity = 0;
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/* ----------------------------------------------------------------- */
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int dumpln(unsigned char *ptr)
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{
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int foo;
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for (foo=0; foo<16; foo++)
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printf("%02x ", ptr[foo]);
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printf("| ");
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for (foo=0; foo<16; foo++)
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if (isprint(ptr[foo])) putchar(ptr[foo]);
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else putchar('.');
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printf(" |\n");
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return 0;
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}
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/* ----------------------------------------------------------------- */
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void udp_dumper(uint16_t port)
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{
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unsigned char buffer[BUFLEN];
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struct sockaddr_in si_me, si_other;
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int sock, foo, bar, flag_exit;
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unsigned int slen=sizeof(si_other);
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long serial;
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double starttime, curtime;
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struct timeval tp;
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if (-1==(sock=socket(AF_INET, SOCK_DGRAM, IPPROTO_UDP))) {
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perror("socket fail ");
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exit(1);
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}
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#if DEBUG_LEVEL
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fprintf(stderr, "port %d / sock -> %d\n", port, sock);
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#endif
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memset((char *) &si_me, 0, sizeof(si_me));
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si_me.sin_family = AF_INET;
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si_me.sin_port = htons(port);
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si_me.sin_addr.s_addr = htonl(INADDR_ANY);
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if (bind(sock, (struct sockaddr *)&si_me, sizeof(si_me))==-1) {
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perror("'bind' failure ");
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exit(1);
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}
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flag_exit = 0; serial = 0L;
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gettimeofday(&tp, NULL);
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starttime = tp.tv_sec + tp.tv_usec / 1e6;
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do {
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memset(buffer, 0, BUFLEN);
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slen = sizeof(si_other);
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foo = recvfrom(sock, buffer, BUFLEN, 0,
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(struct sockaddr *)&si_other, &slen);
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if (verbosity) {
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gettimeofday(&tp, NULL);
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curtime = tp.tv_sec + tp.tv_usec / 1e6;
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printf("----+ %5d b ts: %.3f\n", foo, curtime - starttime);
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}
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for (bar=0; bar<=foo; bar+=16) {
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printf("%3ld | ", serial);
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dumpln(buffer+bar);
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}
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serial++;
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} while ( !flag_exit);
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}
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/* ----------------------------------------------------------------- */
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void help(int foo)
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{
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puts("\t-h\tthis help text");
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puts("\t-p NNNN\treceiving port number");
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puts("\t-v\tincrease verbosity");
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exit(0);
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return ;
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}
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/* ----------------------------------------------------------------- */
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int main(int argc, char *argv[])
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{
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int opt, port;
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port = PORT;
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/* parsing command line options */
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while ((opt = getopt(argc, argv, "hp:v")) != -1) {
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switch (opt) {
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case 'h': help(0); break;
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case 'p': port = atoi(optarg); break;
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case 'v': verbosity++; break;
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default: exit(1);
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}
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}
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udp_dumper(port);
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return 0;
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}
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/* ----------------------------------------------------------------- */
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