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authorvlm <vlm@59561ff5-6e30-0410-9f3c-9617f08c8826>2007-06-26 23:56:54 +0000
committervlm <vlm@59561ff5-6e30-0410-9f3c-9617f08c8826>2007-06-26 23:56:54 +0000
commit182758f3d7ed96627de9135a0d283feb19a98a2e (patch)
tree43817ce3ee9237b27ea20e94a86ccee9d588f94d
parent110cf50b26601db2555bfc455fc05b4195dd5273 (diff)
instrumentation
git-svn-id: https://asn1c.svn.sourceforge.net/svnroot/asn1c/trunk@1345 59561ff5-6e30-0410-9f3c-9617f08c8826
-rw-r--r--asn1c/tests/check-126.-gen-PER.c2
-rw-r--r--skeletons/constr_SEQUENCE.c35
-rw-r--r--skeletons/per_encoder.c1
-rw-r--r--skeletons/per_encoder.h4
-rw-r--r--skeletons/per_support.c21
-rw-r--r--tests/126-per-extensions-OK.asn17
6 files changed, 45 insertions, 25 deletions
diff --git a/asn1c/tests/check-126.-gen-PER.c b/asn1c/tests/check-126.-gen-PER.c
index b28ed799..8b590b18 100644
--- a/asn1c/tests/check-126.-gen-PER.c
+++ b/asn1c/tests/check-126.-gen-PER.c
@@ -104,7 +104,7 @@ load_object_from(const char *fname, char *fbuf, int size, enum enctype how, int
st = 0;
do {
- fprintf(stderr, "Decoding bytes %d..%d (left %d) [%s]\n",
+ fprintf(stderr, "\nDecoding bytes %d..%d (left %d) [%s]\n",
fbuf_offset,
fbuf_chunk < fbuf_left
? fbuf_chunk : fbuf_left,
diff --git a/skeletons/constr_SEQUENCE.c b/skeletons/constr_SEQUENCE.c
index ad737ffb..c824c04a 100644
--- a/skeletons/constr_SEQUENCE.c
+++ b/skeletons/constr_SEQUENCE.c
@@ -1092,7 +1092,7 @@ uper_ugot_refill(asn_per_data_t *pd) {
pd->buffer = oldpd->buffer;
pd->nboff = oldpd->nboff - 1;
pd->nbits = oldpd->nbits;
- ASN_DEBUG("Return from unclaimed");
+ ASN_DEBUG("Return from UNCLAIMED");
return 0;
}
@@ -1133,7 +1133,7 @@ uper_get_open_type(asn_codec_ctx_t *opt_codec_ctx, asn_TYPE_descriptor_t *td,
_ASN_STACK_OVERFLOW_CHECK(opt_codec_ctx);
- ASN_DEBUG("Getting open type from %d bits (%d+%d), %p", pd->nbits - pd->nboff, pd->nboff, pd->nbits, pd->buffer);
+ ASN_DEBUG("Getting open type off %d (%d+%d), %p", pd->moved, pd->nboff, pd->nbits, pd->buffer);
arg.oldpd = *pd;
arg.unclaimed = 0;
arg.ot_moved = 0;
@@ -1149,22 +1149,32 @@ uper_get_open_type(asn_codec_ctx_t *opt_codec_ctx, asn_TYPE_descriptor_t *td,
td->name, pd->moved, arg.oldpd.moved,
arg.unclaimed, arg.repeat);
+ ASN_DEBUG("OT1 moved %d, estimated %d uncl=%d",
+ arg.oldpd.moved,
+ arg.oldpd.nboff + ((((int)arg.oldpd.buffer) & 0x7) << 3),
+ arg.unclaimed
+ );
+
padding = pd->moved % 8;
if(padding) {
+ int32_t pvalue;
if(padding > 7) {
ASN_DEBUG("Too large padding %d in open type",
padding);
rv.code = RC_FAIL;
return rv;
}
+ padding = 8 - padding;
ASN_DEBUG("Getting padding of %d bits", padding);
- switch(per_get_few_bits(pd, padding)) {
+ pvalue = per_get_few_bits(pd, padding);
+ switch(pvalue) {
case -1:
ASN_DEBUG("Padding skip failed");
- _ASN_DECODE_FAILED;
+ _ASN_DECODE_STARVED;
case 0: break;
default:
- ASN_DEBUG("Non-blank padding");
+ ASN_DEBUG("Non-blank padding (%d bits 0x%02x)",
+ padding, pvalue);
_ASN_DECODE_FAILED;
}
}
@@ -1173,15 +1183,15 @@ uper_get_open_type(asn_codec_ctx_t *opt_codec_ctx, asn_TYPE_descriptor_t *td,
if(1) _ASN_DECODE_FAILED;
arg.unclaimed += pd->nbits - pd->nboff;
}
- arg.oldpd.nbits -= pd->moved - arg.ot_moved;
- arg.oldpd.moved += pd->moved - arg.ot_moved;
- pd->nboff = arg.oldpd.nboff;
- pd->nbits = arg.oldpd.nbits;
- pd->moved = arg.oldpd.moved;
+
+ /* Adjust pd back so it points to original data */
+ pd->nbits = arg.oldpd.nbits - (pd->moved - arg.ot_moved);
+ pd->moved = arg.oldpd.moved + (pd->moved - arg.ot_moved);
pd->refill = arg.oldpd.refill;
pd->refill_key = arg.oldpd.refill_key;
/* Skip data not consumed by the decoder */
+ if(arg.unclaimed) ASN_DEBUG("Getting unclaimed %d", arg.unclaimed);
while(arg.unclaimed) {
size_t toget = 24;
if(arg.unclaimed < toget)
@@ -1201,6 +1211,8 @@ uper_get_open_type(asn_codec_ctx_t *opt_codec_ctx, asn_TYPE_descriptor_t *td,
}
}
+ assert(pd->moved == pd->nboff + ((((int)pd->buffer) & 0x7) << 3));
+
if(arg.repeat) {
ASN_DEBUG("Not consumed the whole thing");
rv.code = RC_FAIL;
@@ -1411,6 +1423,7 @@ SEQUENCE_decode_uper(asn_codec_ctx_t *opt_codec_ctx, asn_TYPE_descriptor_t *td,
/* Skip over overflow extensions which aren't present
* in this system's version of the protocol */
for(;;) {
+ ASN_DEBUG("Getting overflow extensions");
switch(per_get_few_bits(&epmd, 1)) {
case -1: break;
case 0: continue;
@@ -1580,6 +1593,8 @@ SEQUENCE_encode_uper(asn_TYPE_descriptor_t *td,
void *memb_ptr; /* Pointer to the member */
void **memb_ptr2; /* Pointer to that pointer */
+ ASN_DEBUG("About to encode %s", elm->type->name);
+
/* Fetch the pointer to this member */
if(elm->flags & ATF_POINTER) {
memb_ptr2 = (void **)((char *)sptr + elm->memb_offset);
diff --git a/skeletons/per_encoder.c b/skeletons/per_encoder.c
index 960981ad..f4bace06 100644
--- a/skeletons/per_encoder.c
+++ b/skeletons/per_encoder.c
@@ -88,6 +88,7 @@ uper_encode_to_new_buffer(asn_TYPE_descriptor_t *td, asn_per_constraints_t *cons
}
default:
*buffer_r = key.buffer;
+ ASN_DEBUG("Complete encoded in %d bits", er.encoded);
return ((er.encoded + 7) >> 3);
}
}
diff --git a/skeletons/per_encoder.h b/skeletons/per_encoder.h
index 32de0829..95a6506e 100644
--- a/skeletons/per_encoder.h
+++ b/skeletons/per_encoder.h
@@ -1,5 +1,5 @@
/*-
- * Copyright (c) 2006 Lev Walkin <vlm@lionet.info>. All rights reserved.
+ * Copyright (c) 2006, 2007 Lev Walkin <vlm@lionet.info>. All rights reserved.
* Redistribution and modifications are permitted subject to BSD license.
*/
#ifndef _PER_ENCODER_H_
@@ -42,7 +42,7 @@ asn_enc_rval_t uper_encode_to_buffer(
* A variant of uper_encode_to_buffer() which allocates buffer itself.
* Returns the number of bytes in the buffer or -1 in case of failure.
* WARNING: This function produces a "Production of the complete encoding",
- * with length of at least one octet. Contrast this to precise bit-preserving
+ * with length of at least one octet. Contrast this to precise bit-packing
* encoding of uper_encode() and uper_encode_to_buffer().
*/
ssize_t uper_encode_to_new_buffer(
diff --git a/skeletons/per_support.c b/skeletons/per_support.c
index 6187f2c1..bfd733aa 100644
--- a/skeletons/per_support.c
+++ b/skeletons/per_support.c
@@ -34,7 +34,7 @@ per_get_few_bits(asn_per_data_t *pd, int nbits) {
int32_t tailv, vhead;
if(!pd->refill || nbits > 31) return -1;
/* Accumulate unused bytes before refill */
- ASN_DEBUG("Obtain the rest %d bits", nleft);
+ ASN_DEBUG("Obtain the rest %d bits (want %d)", nleft, nbits);
tailv = per_get_few_bits(pd, nleft);
if(tailv < 0) return -1;
/* Refill (replace pd contents with new data) */
@@ -47,9 +47,6 @@ per_get_few_bits(asn_per_data_t *pd, int nbits) {
return tailv;
}
- ASN_DEBUG("[PER get %d bits from (%d@%d+%d)]",
- nbits, pd->moved, pd->nboff, nleft);
-
/*
* Normalize position indicator.
*/
@@ -89,7 +86,12 @@ per_get_few_bits(asn_per_data_t *pd, int nbits) {
return -1;
}
- return (accum & (((uint32_t)1 << nbits) - 1));
+ accum &= (((uint32_t)1 << nbits) - 1);
+
+ ASN_DEBUG("[PER got %d bits from (%d@%d+%d) => 0x%x]",
+ nbits, pd->moved, pd->nboff, nleft, accum);
+
+ return accum;
}
/*
@@ -172,12 +174,13 @@ ssize_t
uper_get_nslength(asn_per_data_t *pd) {
ssize_t length;
+ ASN_DEBUG("Getting normally small length");
+
if(per_get_few_bits(pd, 1) == 0) {
- ASN_DEBUG("l=?");
- length = per_get_few_bits(pd, 6);
+ length = per_get_few_bits(pd, 6) + 1;
+ if(length <= 0) return -1;
ASN_DEBUG("l=%d", length);
- if(length < 0) return -1;
- return length + 1;
+ return length;
} else {
int repeat;
length = uper_get_length(pd, -1, &repeat);
diff --git a/tests/126-per-extensions-OK.asn1 b/tests/126-per-extensions-OK.asn1
index 26503cd0..3d708663 100644
--- a/tests/126-per-extensions-OK.asn1
+++ b/tests/126-per-extensions-OK.asn1
@@ -16,15 +16,16 @@ BEGIN
str-o IA5String OPTIONAL,
str-m IA5String,
singl Singleton,
- pdu-2 PDU-2
+ pdu-2 PDU-2 OPTIONAL
}
Singleton ::= SEQUENCE {
- mandatory IA5String DEFAULT "z"
+ opt-z IA5String DEFAULT "z"
}
PDU-2 ::= CHOICE {
- str-p2 IA5String
+ str-p2 IA5String,
+ ...
}
END