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Improved property policy handling.

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Signed-off-by: Martin Bremmer <martin.bremmer@adlinktech.com>
This commit is contained in:
Martin Bremmer 2019-09-19 14:53:42 +02:00 • committed by Erik Boasson
parent 9f1ddb0b38
commit 8f46889f74
3 changed files with 24 additions and 59 deletions
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3
src/core/ddsi/include/dds/ddsi/q_plist.h
View file

@ -243,9 +243,6 @@ struct nn_rdata;
DDS_EXPORT unsigned char *nn_plist_quickscan (struct nn_rsample_info *dest, const struct nn_rmsg *rmsg, const nn_plist_src_t *src);
DDS_EXPORT const unsigned char *nn_plist_findparam_native_unchecked (const void *src, nn_parameterid_t pid);
DDS_EXPORT void nn_free_property_policy (dds_property_qospolicy_t *property);
DDS_EXPORT void nn_duplicate_property (dds_property_t *dest, const dds_property_t *src);
#if defined (__cplusplus)
}
#endif

6
src/core/ddsi/include/dds/ddsi/q_xqos.h
View file

@ -35,7 +35,8 @@ typedef ddsi_octetseq_t dds_groupdata_qospolicy_t;
typedef struct dds_property {
/* The propagate boolean will not be send over the wire.
* When the value is 'false', the complete struct shouldn't be send.
* It has to be the first variable within the structure. */
* It has to be the first variable within the structure because it
* is mapped to XbPROP in the serialiser. */
unsigned char propagate;
char *name;
char *value;
@ -49,7 +50,8 @@ typedef struct dds_propertyseq {
typedef struct dds_binaryproperty {
/* The propagate boolean will not be send over the wire.
* When the value is 'false', the complete struct shouldn't be send.
* It has to be the first variable within the structure. */
* It has to be the first variable within the structure because it
* is mapped to XbPROP in the serialiser. */
unsigned char propagate;
char *name;
ddsi_octetseq_t value;

72
src/core/ddsi/src/q_plist.c
View file

@ -359,7 +359,7 @@ static size_t ser_generic_srcsize (const enum pserop * __restrict desc)
#undef SIMPLE
}
static void fini_generic_partial (void * __restrict dst, size_t * __restrict dstoff, const enum pserop *desc, const enum pserop * const desc_end, bool aliased)
static void fini_generic_embeddable (void * __restrict dst, size_t * __restrict dstoff, const enum pserop *desc, const enum pserop * const desc_end, bool aliased)
{
#define COMPLEX(basecase_, type_, cleanup_unaliased_, cleanup_always_) do { \
type_ *x = deser_generic_dst (dst, dstoff, alignof (type_)); \
@ -392,9 +392,10 @@ static void fini_generic_partial (void * __restrict dst, size_t * __restrict dst
/* non-nested, so never a need to deallocate only some of the entries and no complications
in locating the end of the sequence element description */
COMPLEX (XQ, ddsi_octetseq_t, {
size_t elem_off = 0;
const size_t elem_size = ser_generic_srcsize (desc + 1);
for (uint32_t i = 0; i < x->length; i++) {
fini_generic_partial (x->value, &elem_off, desc + 1, desc_end, aliased);
size_t elem_off = i * elem_size;
fini_generic_embeddable (x->value, &elem_off, desc + 1, desc_end, aliased);
}
}, ddsrt_free (x->value));
while (desc + 1 != desc_end && *++desc != XSTOP) { }
@ -540,10 +541,10 @@ static dds_return_t deser_generic (void * __restrict dst, size_t * __restrict ds
if (deser_uint32 (&x->length, dd, srcoff) < 0 || x->length > dd->bufsz - *srcoff)
goto fail;
const size_t elem_size = ser_generic_srcsize (desc + 1);
size_t elem_off = 0;
x->value = x->length ? ddsrt_malloc (x->length * elem_size) : NULL;
for (uint32_t i = 0; i < x->length; i++)
{
size_t elem_off = i * elem_size;
if (deser_generic (x->value, &elem_off, flagset, flag, dd, srcoff, desc + 1) < 0)
goto fail;
}
@ -556,21 +557,18 @@ static dds_return_t deser_generic (void * __restrict dst, size_t * __restrict ds
}
fail:
fini_generic_partial (dst, &dstoff_in, desc_in, desc, *flagset->aliased & flag);
fini_generic_embeddable (dst, &dstoff_in, desc_in, desc, *flagset->aliased & flag);
*flagset->present &= ~flag;
*flagset->aliased &= ~flag;
return DDS_RETCODE_BAD_PARAMETER;
}
static void ser_generic_size_partial (size_t *dstoff, const void *src, size_t srcoff, const enum pserop * __restrict desc)
static void ser_generic_size_embeddable (size_t *dstoff, const void *src, size_t srcoff, const enum pserop * __restrict desc)
{
bool suppressed = false;
#define COMPLEX(basecase_, type_, dstoff_update_) do { \
type_ const *x = deser_generic_src (src, &srcoff, alignof (type_)); \
const uint32_t cnt = 1 + (uint32_t) (*desc - (basecase_)); \
if (!suppressed) { \
for (uint32_t xi = 0; xi < cnt; xi++, x++) { dstoff_update_; } \
} \
srcoff += cnt * sizeof (*x); \
} while (0)
#define SIMPLE1(basecase_, type_) COMPLEX (basecase_, type_, *dstoff = *dstoff + sizeof (*x))
@ -591,12 +589,13 @@ static void ser_generic_size_partial (size_t *dstoff, const void *src, size_t sr
case XbCOND: SIMPLE1 (XbCOND, unsigned char); break;
case XG: SIMPLE1 (XG, ddsi_guid_t); break;
case XK: SIMPLE1 (XK, nn_keyhash_t); break;
case XbPROP: COMPLEX (XbPROP, unsigned char, if (! *x) suppressed = true); break;
case XbPROP: /* "propagate" boolean: when 'false'; no serialisation; no size; force early out */
COMPLEX (XbPROP, unsigned char, if (! *x) return); break;
case XQ: COMPLEX (XQ, ddsi_octetseq_t, {
const size_t elem_size = ser_generic_srcsize (desc + 1);
*dstoff = align4size (*dstoff) + 4;
for (uint32_t i = 0; i < x->length; i++)
ser_generic_size_partial (dstoff, x->value, i * elem_size, desc + 1);
ser_generic_size_embeddable (dstoff, x->value, i * elem_size, desc + 1);
}); while (*++desc != XSTOP) { } break;
}
desc++;
@ -609,7 +608,7 @@ static void ser_generic_size_partial (size_t *dstoff, const void *src, size_t sr
static size_t ser_generic_size (const void *src, size_t srcoff, const enum pserop * __restrict desc)
{
size_t dstoff = 0;
ser_generic_size_partial (&dstoff, src, srcoff, desc);
ser_generic_size_embeddable (&dstoff, src, srcoff, desc);
return dstoff;
}
@ -628,7 +627,7 @@ static uint32_t ser_generic_count (const ddsi_octetseq_t *src, size_t elem_size,
return count;
}
static dds_return_t ser_generic_partial (char * const data, size_t *dstoff, const void *src, size_t srcoff, const enum pserop * __restrict desc)
static dds_return_t ser_generic_embeddable (char * const data, size_t *dstoff, const void *src, size_t srcoff, const enum pserop * __restrict desc)
{
while (true)
{
@ -749,7 +748,7 @@ static dds_return_t ser_generic_partial (char * const data, size_t *dstoff, cons
const size_t elem_size = ser_generic_srcsize (desc + 1);
*((uint32_t *) p) = ser_generic_count (x, elem_size, desc + 1);
for (uint32_t i = 0; i < x->length; i++)
ser_generic_partial (data, dstoff, x->value, i * elem_size, desc + 1);
ser_generic_embeddable (data, dstoff, x->value, i * elem_size, desc + 1);
}
srcoff += sizeof (*x);
while (*++desc != XSTOP) { }
@ -764,7 +763,7 @@ static dds_return_t ser_generic (struct nn_xmsg *xmsg, nn_parameterid_t pid, con
{
char * const data = nn_xmsg_addpar (xmsg, pid, ser_generic_size (src, srcoff, desc));
size_t dstoff = 0;
return ser_generic_partial (data, &dstoff, src, srcoff, desc);
return ser_generic_embeddable (data, &dstoff, src, srcoff, desc);
}
static dds_return_t unalias_generic (void * __restrict dst, size_t * __restrict dstoff, const enum pserop * __restrict desc)
@ -795,9 +794,10 @@ static dds_return_t unalias_generic (void * __restrict dst, size_t * __restrict
case XG: SIMPLE (XG, ddsi_guid_t); break;
case XK: SIMPLE (XK, nn_keyhash_t); break;
case XQ: COMPLEX (XQ, ddsi_octetseq_t, if (x->length) {
size_t elem_off = 0;
x->value = ddsrt_memdup (x->value, x->length * ser_generic_srcsize(desc + 1));
const size_t elem_size = ser_generic_srcsize (desc + 1);
x->value = ddsrt_memdup (x->value, x->length * elem_size);
for (uint32_t i = 0; i < x->length; i++) {
size_t elem_off = i * elem_size;
unalias_generic (x->value, &elem_off, desc + 1);
}
}); while (*++desc != XSTOP) { } break;
@ -831,7 +831,7 @@ static bool fini_generic_required (const enum pserop * __restrict desc)
static dds_return_t fini_generic (void * __restrict dst, size_t * __restrict dstoff, struct flagset *flagset, uint64_t flag, const enum pserop * __restrict desc)
{
fini_generic_partial (dst, dstoff, desc, NULL, *flagset->aliased & flag);
fini_generic_embeddable (dst, dstoff, desc, NULL, *flagset->aliased & flag);
return 0;
}
@ -1027,14 +1027,6 @@ static dds_return_t dvx_reader_favours_ssm (void * __restrict dst, const struct
}
#endif
/* pserop representation of dds_propertyseq_t. */
#define PROPERTYSEQ_PSEROP XQ, XbPROP, XS, XS, XSTOP
/* pserop representation of dds_binarypropertyseq_t. */
#define BINPROPERTYSEQ_PSEROP XQ, XbPROP, XS, XO, XSTOP
/* pserop representation of dds_property_qospolicy_t. */
#define PROPERTY_POLICY_PSEROP PROPERTYSEQ_PSEROP, BINPROPERTYSEQ_PSEROP
/* Standardized parameters -- QoS _MUST_ come first (nn_plist_init_tables verifies this) because
it allows early-out when processing a dds_qos_t instead of an nn_plist_t */
@ -1051,7 +1043,7 @@ static const struct piddesc piddesc_omg[] = {
QP (DEADLINE, deadline, XD),
QP (LATENCY_BUDGET, latency_budget, XD),
QP (LIVELINESS, liveliness, XE2, XD),
QP (PROPERTY_LIST, property, PROPERTY_POLICY_PSEROP),
QP (PROPERTY_LIST, property, XQ, XbPROP, XS, XS, XSTOP, XQ, XbPROP, XS, XO, XSTOP),
/* Reliability encoding does not follow the rules (best-effort/reliable map to 1/2 instead of 0/1 */
{ PID_RELIABILITY, PDF_QOS | PDF_FUNCTION, QP_RELIABILITY, "RELIABILITY",
offsetof (struct nn_plist, qos.reliability), membersize (struct nn_plist, qos.reliability),
@ -2883,29 +2875,3 @@ void nn_log_xqos (uint32_t cat, const struct ddsrt_log_cfg *logcfg, const dds_qo
#undef LOGB1
#undef LOGB0
}
void nn_free_property_policy(dds_property_qospolicy_t *property)
{
const struct piddesc_index *index = &piddesc_vendor_index[0];
const struct piddesc *entry = index->index[PID_PROPERTY_LIST];
size_t niloff = 0;
fini_generic_partial ((void*)property, &niloff, entry->op.desc, NULL, true);
}
void nn_duplicate_property (dds_property_t *dest, const dds_property_t *src)
{
const struct piddesc_index *index = &piddesc_vendor_index[0];
const struct piddesc *entry = index->index[PID_PROPERTY_LIST];
dds_property_qospolicy_t policy;
size_t niloff = 0;
/* First, do a shallow copy. */
*dest = *src;
/* Unalias the shallow copy to get a deep copy. */
policy.value.n = 1;
policy.value.props = dest;
policy.binary_value.n = 0;
policy.binary_value.props = NULL;
(void)unalias_generic(&policy, &niloff, entry->op.desc);
/* Shallow copy the deep copy. */
*dest = *policy.value.props;
}