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Fix up example programs somewhat

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XANTRONIX Development 2015-09-17 21:52:09 -05:00 • committed by XANTRONIX Industrial
parent b3c85c891e
commit f03d99c2a7
3 changed files with 102 additions and 11 deletions
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8
src/Makefile
View file

@ -13,7 +13,7 @@ HEADERS = kiss.h ax25.h ax25/if.h ax25/macros.h ax25/proto.h \
OBJS = kiss.o ax25.o if.o address.o frame.o list.o hash.o dict.o \
test.o
PROGRAM = test
EXAMPLES = test decode
AR = $(CROSS)ar
RANLIB = $(CROSS)ranlib
@ -23,10 +23,10 @@ LN = /bin/ln
RMDIR = /bin/rmdir
INSTALL = /usr/bin/install
all: $(PROGRAM)
all: $(EXAMPLES)
$(PROGRAM): $(OBJS)
$(CC) $(LDFLAGS) $(OBJS) -o $(PROGRAM)
$(EXAMPLES): %: %.c $(OBJS)
$(CC) $(LDFLAGS) $(OBJS) -o $@
$(OBJS): %.o: %.c $(HEADERS_BUILD)
$(CC) $(CFLAGS) -c $<

93
src/decode.c Normal file
View file

@ -0,0 +1,93 @@
#include <stdio.h>
#include <stdlib.h>
#include <stdarg.h>
#include <string.h>
#include <unistd.h>
#include <patty/kiss.h>
#include <patty/ax25.h>
static void usage(int argc, char **argv, const char *message, ...) {
if (message) {
va_list args;
va_start(args, message);
vfprintf(stderr, message, args);
fprintf(stderr, "\n");
va_end(args);
}
fprintf(stderr, "usage: %s kiss.cap\n", argv[0]);
exit(1);
}
static int callsign_fprint(FILE *stream, const patty_ax25_address *address) {
fprintf(stream, "%s", address->callsign);
if (address->ssid) {
fprintf(stream, "/%d", address->ssid);
}
return 0;
}
static int address_fprint(FILE *stream, const patty_ax25_frame *frame) {
int i;
callsign_fprint(stream, &frame->src);
fprintf(stream, " > ");
callsign_fprint(stream, &frame->dest);
for (i=0; i<frame->hops; i++) {
fprintf(stream, " < ");
callsign_fprint(stream, &frame->repeaters[i]);
}
return 0;
}
int main(int argc, char **argv) {
patty_kiss_tnc *tnc;
ssize_t len;
void *data;
int port;
if (argc != 2) {
usage(argc, argv, "No TNC device provided");
}
if ((tnc = patty_kiss_tnc_open(argv[1], 330)) == NULL) {
perror("Unable to open TNC");
exit(127);
}
while ((len = patty_kiss_tnc_recv(tnc, &data, &port)) > 0) {
patty_ax25_frame frame;
if (patty_ax25_frame_decode(&frame, data, len) < 0) {
perror("Unable to decode frame");
exit(127);
}
address_fprint(stderr, &frame);
if (frame.type == PATTY_AX25_FRAME_INFO) {
fprintf(stderr, " poll %d", PATTY_AX25_CONTROL_POLL(frame.control));
fprintf(stderr, " ns %d", PATTY_AX25_CONTROL_SEQ_SEND(frame.control));
fprintf(stderr, " nr %d", PATTY_AX25_CONTROL_SEQ_RECV(frame.control));
}
if (frame.payload) {
fprintf(stderr, " proto %02x", frame.proto);
}
fprintf(stderr, " %ld bytes\n", len);
}
patty_kiss_tnc_close(tnc);
return 0;
}

12
src/test.c
View file

@ -17,7 +17,7 @@ static void usage(int argc, char **argv, const char *message, ...) {
va_end(args);
}
fprintf(stderr, "usage: %s kiss.cap\n", argv[0]);
fprintf(stderr, "usage: %s device\n", argv[0]);
exit(1);
}
@ -35,10 +35,11 @@ int iface_callback(patty_ax25_if *iface, void *ctx) {
int main(int argc, char **argv) {
patty_ax25 ax25;
patty_ax25_if *iface;
patty_ax25_event ev;
if (argc != 2) {
if (argc < 2) {
usage(argc, argv, "No TNC device provided");
} else if (argc > 2) {
usage(argc, argv, NULL);
}
if (patty_ax25_init(&ax25) < 0) {
@ -65,10 +66,7 @@ int main(int argc, char **argv) {
exit(127);
}
if (patty_ax25_next_event(&ax25, &ev) >= 0) {
printf("Got event %d on fd %d\n",
ev.type, ev.fd);
}
patty_ax25_each_if(&ax25, iface_callback, NULL);
patty_ax25_stop(&ax25);