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Merged
merged 4 commits into from
Feb 13, 2025
Merged

examples/frame: add some features #1047

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c9a056a
examples/frame: support multiple reframe
quarium Nov 21, 2024
0f80f3f
examples/frame: add help option
quarium Nov 22, 2024
0c4261c
examples/frame: add show random option
quarium Nov 22, 2024
4e954e0
examples/frame: add hexdump support
quarium Nov 26, 2024
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144 changes: 108 additions & 36 deletions examples/frame.c
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Original file line number Diff line number Diff line change
Expand Up @@ -88,10 +88,48 @@ static enum uprobe_log_level uprobe_log_level = UPROBE_LOG_DEBUG;
static struct uref_mgr *uref_mgr = NULL;
static struct uclock *uclock = NULL;
static struct uprobe *main_probe = NULL;
static bool second_framer = false;
static unsigned additional_framer = 0;
static bool decode = false;
static bool dump_date = false;
static bool dump_size = false;
static bool dump_random = false;
static bool dump_hex = false;
static int dump_hex_size = -1;

enum {
OPT_VERBOSE,
OPT_QUIET,
OPT_HELP,
OPT_TS,
OPT_FRAMER,
OPT_REFRAME,
OPT_DECODE,
OPT_PID_FILTER_OUT,
OPT_PID,
OPT_DATE,
OPT_SIZE,
OPT_RANDOM,
OPT_HEX,
OPT_HEX_SIZE,
};

static struct option options[] = {
{ "verbose", no_argument, NULL, OPT_VERBOSE },
{ "quiet", no_argument, NULL, OPT_QUIET },
{ "help", no_argument, NULL, OPT_HELP },
{ "ts", no_argument, NULL, OPT_TS },
{ "framer", required_argument, NULL, OPT_FRAMER },
{ "reframe", no_argument, NULL, OPT_REFRAME },
{ "decode", no_argument, NULL, OPT_DECODE },
{ "pid-filter-out", no_argument, NULL, OPT_PID_FILTER_OUT },
{ "pid", required_argument, NULL, OPT_PID },
{ "date", no_argument, NULL, OPT_DATE },
{ "size", no_argument, NULL, OPT_SIZE },
{ "random", no_argument, NULL, OPT_RANDOM },
{ "hex", no_argument, NULL, OPT_HEX},
{ "hex-size", required_argument, NULL, OPT_HEX_SIZE },
{ NULL, 0, NULL, 0 },
};

struct pid {
struct uchain uchain;
Expand Down Expand Up @@ -160,6 +198,11 @@ static int catch_uref(struct uprobe *uprobe, struct upipe *upipe,
UBASE_SIGNATURE_CHECK(args, UPIPE_PROBE_UREF_SIGNATURE);
struct uref *uref = va_arg(args, struct uref *);

if (dump_random) {
if (ubase_check(uref_flow_get_random(uref)))
upipe_notice_va(upipe, "random");
}

if (dump_date)
uref_dump_clock_dbg(uref, upipe->uprobe);

Expand All @@ -175,6 +218,45 @@ static int catch_uref(struct uprobe *uprobe, struct upipe *upipe,
size, vsize, sample_size);
}

if (dump_hex) {
size_t block_size = 0;
if (ubase_check(uref_block_size(uref, &block_size))) {
const uint8_t *buffer = NULL;
int offset = 0;

printf("hexdump uref %p (block_size %zu)\n", uref, block_size);

if (dump_hex_size > 0 && dump_hex_size < block_size)
block_size = dump_hex_size;

while (block_size) {
int size = block_size;
if (!ubase_check(uref_block_read(uref, offset, &size, &buffer)) || !size) {
upipe_err(upipe, "fail to read buffer");
break;
}

for (int i = offset; i < offset + size; i++)
{
if (!(i % 16)) {
if (i)
printf("\n");
printf("%08x:", i);
}
if (!(i % 2 ))
printf(" ");
printf("%02x", buffer[i - offset]);
}
block_size -= size;
offset += size;
}
if (offset)
printf("\n");
} else {
upipe_err(upipe, "block size failed");
}
}

return UBASE_ERR_NONE;
}

Expand All @@ -200,23 +282,23 @@ static int catch_es(struct uprobe *uprobe, struct upipe *upipe,
UPROBE_LOG_VERBOSE, "probe"));
assert(upipe);

if (second_framer) {
struct upipe_mgr *upipe_autof_mgr = upipe_autof_mgr_alloc();
struct upipe_mgr *upipe_autof_mgr = upipe_autof_mgr_alloc();
for (unsigned i = 0; i < additional_framer; i++) {
upipe = upipe_void_chain_output(
upipe, upipe_autof_mgr,
uprobe_pfx_alloc(
uprobe_pfx_alloc_va(
uprobe_use(uprobe),
UPROBE_LOG_VERBOSE, "framer 2"));
UPROBE_LOG_VERBOSE, "framer %u", i));
assert(upipe);
upipe_mgr_release(upipe_autof_mgr);

upipe = upipe_void_chain_output(
upipe, upipe_probe_uref_mgr,
uprobe_pfx_alloc(
uprobe_pfx_alloc_va(
uprobe_alloc(catch_uref, uprobe_use(uprobe)),
UPROBE_LOG_VERBOSE, "probe 2"));
UPROBE_LOG_VERBOSE, "probe %u", i));
assert(upipe);
}
upipe_mgr_release(upipe_autof_mgr);

if (decode) {
struct upipe_mgr *upipe_fdec_mgr = upipe_fdec_mgr_alloc();
Expand Down Expand Up @@ -443,33 +525,6 @@ static struct upipe *upipe_source_alloc(const char *uri, struct uprobe *uprobe)
return upipe_src;
}

enum {
OPT_VERBOSE,
OPT_QUIET,
OPT_TS,
OPT_FRAMER,
OPT_REFRAME,
OPT_DECODE,
OPT_PID_FILTER_OUT,
OPT_PID,
OPT_DATE,
OPT_SIZE,
};

static struct option options[] = {
{ "verbose", no_argument, NULL, OPT_VERBOSE },
{ "quiet", no_argument, NULL, OPT_QUIET },
{ "ts", no_argument, NULL, OPT_TS },
{ "framer", required_argument, NULL, OPT_FRAMER },
{ "reframe", no_argument, NULL, OPT_REFRAME },
{ "decode", no_argument, NULL, OPT_DECODE },
{ "pid-filter-out", no_argument, NULL, OPT_PID_FILTER_OUT },
{ "pid", required_argument, NULL, OPT_PID },
{ "date", no_argument, NULL, OPT_DATE },
{ "size", no_argument, NULL, OPT_SIZE },
{ NULL, 0, NULL, 0 },
};

static void usage(const char *name)
{
fprintf(stderr, "usage: %s [options] <source>\n", name);
Expand Down Expand Up @@ -505,6 +560,11 @@ int main(int argc, char *argv[])
uprobe_log_level--;
break;

case OPT_HELP:
usage(argv[0]);
exit(0);
break;

case OPT_TS:
ts = true;
break;
Expand All @@ -514,7 +574,7 @@ int main(int argc, char *argv[])
break;

case OPT_REFRAME:
second_framer = true;
additional_framer++;
break;

case OPT_DECODE:
Expand All @@ -537,6 +597,18 @@ int main(int argc, char *argv[])
dump_size = true;
break;

case OPT_RANDOM:
dump_random = true;
break;

case OPT_HEX:
dump_hex = true;
break;

case OPT_HEX_SIZE:
dump_hex_size = atoi(optarg);
break;

default:
fprintf(stderr, "unknown option -%c\n", opt);
break;
Expand Down
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