adding udp-dumper.c bis

tools/Makefile

@@ -0,0 +1,8 @@
+#
+# Various OSC tools
+#
+
+# https://git.tetalab.org/tTh/gadgets-OSC
+
+udp-dumper:	udp-dumper.c Makefile
+	gcc -Wall $< -o $@

tools/README.md

@@ -0,0 +1,11 @@
+# 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. 
+

tools/udp-dumper.c

@@ -0,0 +1,121 @@
+/*
+ *	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;
+}
+/* ----------------------------------------------------------------- */
+