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adding udp-dumper.c bis

tonton Th 4 months 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
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      tools/udp-dumper.c

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tools/Makefile View File

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

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tools/README.md View File

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

+ 121
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tools/udp-dumper.c View File

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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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+
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+#define    PORT		5002
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+#define	   BUFLEN	1024
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+
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+int	verbosity = 0;
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+
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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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+
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+for (foo=0; foo<16; foo++)
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+	printf("%02x ", ptr[foo]);
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+
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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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+
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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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+
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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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+
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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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+
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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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+
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+flag_exit = 0;		serial = 0L;
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+
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+gettimeofday(&tp, NULL);
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+starttime = tp.tv_sec + tp.tv_usec / 1e6;
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+
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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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+
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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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+		
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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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+
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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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+
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+
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+udp_dumper(port);
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+
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+return 0;
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+}
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+/* ----------------------------------------------------------------- */
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+

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