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add creation status

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pull/4750/head
Alistair Veitch 9 years ago
parent fc999adcc7
commit a88a22166d
3 changed files with 125 additions and 76 deletions
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  1. 22
      include/grpc/census.h
  2. 70
      src/core/census/tag_set.c
  3. 107
      test/core/census/tag_set_test.c

22
include/grpc/census.h
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@ -368,22 +368,27 @@ typedef struct {
int n_modified_tags; /* number of tags that were modified */ int n_modified_tags; /* number of tags that were modified */
int n_invalid_tags; /* number of tags with bad keys or values (e.g. int n_invalid_tags; /* number of tags with bad keys or values (e.g.
longer than CENSUS_MAX_TAG_KV_LEN) */ longer than CENSUS_MAX_TAG_KV_LEN) */
} census_tag_set_create_stats; int n_ignored_tags; /* number of tags ignored because of
CENSUS_MAX_PROPAGATED_TAGS limit. */
} census_tag_set_create_status;
/* Create a new tag set, adding and removing tags from an existing tag set. /* Create a new tag set, adding and removing tags from an existing tag set.
@param base Base tag set to build upon. Can be NULL. @param base Base tag set to build upon. Can be NULL.
@param tags A set of tags to be added/changed/deleted. Tags with keys that @param tags A set of tags to be added/changed/deleted. Tags with keys that
are in 'tags', but not 'base', are added to the tag set. Keys that are in are in 'tags', but not 'base', are added to the tag set. Keys that are in
both 'tags' and 'base' will have their value replaced. Tags with keys in both 'tags' and 'base' will have their value/flags modified. Tags with keys
both, but with NULL or zero-length values, will be deleted from the in both, but with NULL or zero-length values, will be deleted from the tag
tag set. set. Tags with invalid (too long or short) keys or values will be ignored.
If adding a tag will result in more than CENSUS_MAX_PROPAGATED_TAGS in either
binary or non-binary tags, they will be ignored, as will deletions of
tags that don't exist.
@param ntags number of tags in 'tags' @param ntags number of tags in 'tags'
@param stats Information about the tag set created and actions taken during @param stats Information about the tag set created and actions taken during
its creation. its creation.
*/ */
census_tag_set *census_tag_set_create(const census_tag_set *base, census_tag_set *census_tag_set_create(const census_tag_set *base,
const census_tag *tags, int ntags, const census_tag *tags, int ntags,
census_tag_set_create_stats *stats); census_tag_set_create_status *status);
/* Destroy a tag set created by census_tag_set_create(). Once this function /* Destroy a tag set created by census_tag_set_create(). Once this function
has been called, the tag set cannot be reused. */ has been called, the tag set cannot be reused. */
@ -429,9 +434,12 @@ size_t census_tag_set_encode_propagated(const census_tag_set *tags,
size_t census_tag_set_encode_propagated_binary(const census_tag_set *tags, size_t census_tag_set_encode_propagated_binary(const census_tag_set *tags,
char *buffer, size_t buf_size); char *buffer, size_t buf_size);
/* Decode tag set buffers encoded with census_tag_set_encode_*(). */ /* Decode tag set buffers encoded with census_tag_set_encode_*(). Returns NULL
if there is an error in parsing either buffer. The number of tags in the
decoded tag set will be returned in status, if it is non-NULL. */
census_tag_set *census_tag_set_decode(const char *buffer, size_t size, census_tag_set *census_tag_set_decode(const char *buffer, size_t size,
const char *bin_buffer, size_t bin_size); const char *bin_buffer, size_t bin_size,
census_tag_set_create_status *status);
/* Get a contexts tag set. */ /* Get a contexts tag set. */
census_tag_set *census_context_tag_set(census_context *context); census_tag_set *census_context_tag_set(census_context *context);

70
src/core/census/tag_set.c
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@ -31,9 +31,6 @@
* *
*/ */
/* /*
- ability to add extra tags in encode?
- add drops error count to create_ts
- add mask to ntags?
- comment about key/value ptrs being to mem - comment about key/value ptrs being to mem
- add comment about encode/decode being for RPC use only. - add comment about encode/decode being for RPC use only.
*/ */
@ -175,9 +172,13 @@ static bool cts_delete_tag(census_tag_set *tags, const census_tag *tag,
key_len)); key_len));
} }
// Add a tag to a tag set. // Add a tag to a tag set. Return true on sucess, false if the tag could
static void tag_set_add_tag(struct tag_set *tags, const census_tag *tag, // not be added because of tag size constraints.
static bool tag_set_add_tag(struct tag_set *tags, const census_tag *tag,
size_t key_len) { size_t key_len) {
if (tags->ntags == CENSUS_MAX_PROPAGATED_TAGS) {
return false;
}
const size_t tag_size = key_len + tag->value_len + TAG_HEADER_SIZE; const size_t tag_size = key_len + tag->value_len + TAG_HEADER_SIZE;
if (tags->kvm_used + tag_size > tags->kvm_size) { if (tags->kvm_used + tag_size > tags->kvm_size) {
// allocate new memory if needed // allocate new memory if needed
@ -199,22 +200,41 @@ static void tag_set_add_tag(struct tag_set *tags, const census_tag *tag,
tags->kvm_used += tag_size; tags->kvm_used += tag_size;
tags->ntags++; tags->ntags++;
tags->ntags_alloc++; tags->ntags_alloc++;
return true;
} }
// Add a tag to a census_tag_set // Add a tag to a census_tag_set.
static void cts_add_tag(census_tag_set *tags, const census_tag *tag, static void cts_add_tag(census_tag_set *tags, const census_tag *tag,
size_t key_len) { size_t key_len, census_tag_set_create_status *status) {
// first delete the tag if it is already present // first delete the tag if it is already present
cts_delete_tag(tags, tag, key_len); bool deleted = cts_delete_tag(tags, tag, key_len);
if (tag->value != NULL && tag->value_len != 0) { bool call_add = tag->value != NULL && tag->value_len != 0;
bool added = false;
if (call_add) {
if (CENSUS_TAG_IS_PROPAGATED(tag->flags)) { if (CENSUS_TAG_IS_PROPAGATED(tag->flags)) {
if (CENSUS_TAG_IS_BINARY(tag->flags)) { if (CENSUS_TAG_IS_BINARY(tag->flags)) {
added =
tag_set_add_tag(&tags->tags[PROPAGATED_BINARY_TAGS], tag, key_len); tag_set_add_tag(&tags->tags[PROPAGATED_BINARY_TAGS], tag, key_len);
} else { } else {
tag_set_add_tag(&tags->tags[PROPAGATED_TAGS], tag, key_len); added = tag_set_add_tag(&tags->tags[PROPAGATED_TAGS], tag, key_len);
} }
} else { } else {
tag_set_add_tag(&tags->tags[LOCAL_TAGS], tag, key_len); added = tag_set_add_tag(&tags->tags[LOCAL_TAGS], tag, key_len);
}
}
if (status) {
if (deleted) {
if (call_add) {
status->n_modified_tags++;
} else {
status->n_deleted_tags++;
}
} else {
if (added) {
status->n_added_tags++;
} else {
status->n_ignored_tags++;
}
} }
} }
} }
@ -263,8 +283,11 @@ static void tag_set_flatten(struct tag_set *tags) {
census_tag_set *census_tag_set_create(const census_tag_set *base, census_tag_set *census_tag_set_create(const census_tag_set *base,
const census_tag *tags, int ntags, const census_tag *tags, int ntags,
census_tag_set_create_stats *stats) { census_tag_set_create_status *status) {
int n_invalid_tags = 0; int n_invalid_tags = 0;
if (status) {
memset(status, 0, sizeof(*status));
}
census_tag_set *new_ts = gpr_malloc(sizeof(census_tag_set)); census_tag_set *new_ts = gpr_malloc(sizeof(census_tag_set));
if (base == NULL) { if (base == NULL) {
memset(new_ts, 0, sizeof(census_tag_set)); memset(new_ts, 0, sizeof(census_tag_set));
@ -280,7 +303,7 @@ census_tag_set *census_tag_set_create(const census_tag_set *base,
// ignore the tag if it is too long/short. // ignore the tag if it is too long/short.
if (key_len != 1 && key_len <= CENSUS_MAX_TAG_KV_LEN && if (key_len != 1 && key_len <= CENSUS_MAX_TAG_KV_LEN &&
tag->value_len <= CENSUS_MAX_TAG_KV_LEN) { tag->value_len <= CENSUS_MAX_TAG_KV_LEN) {
cts_add_tag(new_ts, tag, key_len); cts_add_tag(new_ts, tag, key_len, status);
} else { } else {
n_invalid_tags++; n_invalid_tags++;
} }
@ -288,12 +311,12 @@ census_tag_set *census_tag_set_create(const census_tag_set *base,
tag_set_flatten(&new_ts->tags[PROPAGATED_TAGS]); tag_set_flatten(&new_ts->tags[PROPAGATED_TAGS]);
tag_set_flatten(&new_ts->tags[PROPAGATED_BINARY_TAGS]); tag_set_flatten(&new_ts->tags[PROPAGATED_BINARY_TAGS]);
tag_set_flatten(&new_ts->tags[LOCAL_TAGS]); tag_set_flatten(&new_ts->tags[LOCAL_TAGS]);
if (stats != NULL) { if (status != NULL) {
stats->n_propagated_tags = new_ts->tags[PROPAGATED_TAGS].ntags; status->n_propagated_tags = new_ts->tags[PROPAGATED_TAGS].ntags;
stats->n_propagated_binary_tags = status->n_propagated_binary_tags =
new_ts->tags[PROPAGATED_BINARY_TAGS].ntags; new_ts->tags[PROPAGATED_BINARY_TAGS].ntags;
stats->n_local_tags = new_ts->tags[LOCAL_TAGS].ntags; status->n_local_tags = new_ts->tags[LOCAL_TAGS].ntags;
stats->n_invalid_tags = n_invalid_tags; status->n_invalid_tags = n_invalid_tags;
} }
return new_ts; return new_ts;
} }
@ -480,7 +503,11 @@ static void tag_set_decode(struct tag_set *tags, const char *buffer,
} }
census_tag_set *census_tag_set_decode(const char *buffer, size_t size, census_tag_set *census_tag_set_decode(const char *buffer, size_t size,
const char *bin_buffer, size_t bin_size) { const char *bin_buffer, size_t bin_size,
census_tag_set_create_status *status) {
if (status) {
memset(status, 0, sizeof(*status));
}
census_tag_set *new_ts = gpr_malloc(sizeof(census_tag_set)); census_tag_set *new_ts = gpr_malloc(sizeof(census_tag_set));
memset(&new_ts->tags[LOCAL_TAGS], 0, sizeof(struct tag_set)); memset(&new_ts->tags[LOCAL_TAGS], 0, sizeof(struct tag_set));
if (buffer == NULL) { if (buffer == NULL) {
@ -493,6 +520,11 @@ census_tag_set *census_tag_set_decode(const char *buffer, size_t size,
} else { } else {
tag_set_decode(&new_ts->tags[PROPAGATED_BINARY_TAGS], bin_buffer, bin_size); tag_set_decode(&new_ts->tags[PROPAGATED_BINARY_TAGS], bin_buffer, bin_size);
} }
if (status) {
status->n_propagated_tags = new_ts->tags[PROPAGATED_TAGS].ntags;
status->n_propagated_binary_tags =
new_ts->tags[PROPAGATED_BINARY_TAGS].ntags;
}
// TODO(aveitch): check that BINARY flag is correct for each type. // TODO(aveitch): check that BINARY flag is correct for each type.
return new_ts; return new_ts;
} }

107
test/core/census/tag_set_test.c
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@ -70,7 +70,7 @@ static census_tag basic_tags[BASIC_TAG_COUNT] = {
// you add or delete entries, you will also need to change the test. Other // you add or delete entries, you will also need to change the test. Other
// tests that rely on specific instances have XXX_XXX_OFFSET definitions (also // tests that rely on specific instances have XXX_XXX_OFFSET definitions (also
// change the defines below if you add/delete entires). // change the defines below if you add/delete entires).
#define MODIFY_TAG_COUNT 10 #define MODIFY_TAG_COUNT 11
static census_tag modify_tags[MODIFY_TAG_COUNT] = { static census_tag modify_tags[MODIFY_TAG_COUNT] = {
#define REPLACE_VALUE_OFFSET 0 #define REPLACE_VALUE_OFFSET 0
/* 0 */ {"key0", "replace printable", 18, 0}, // replaces tag value only /* 0 */ {"key0", "replace printable", 18, 0}, // replaces tag value only
@ -88,8 +88,8 @@ static census_tag modify_tags[MODIFY_TAG_COUNT] = {
/* 8 */ {"k2", (char *)&eight_byte_val, 8, /* 8 */ {"k2", (char *)&eight_byte_val, 8,
CENSUS_TAG_BINARY | CENSUS_TAG_PROPAGATE}, // more flags change CENSUS_TAG_BINARY | CENSUS_TAG_PROPAGATE}, // more flags change
// non-binary -> binary // non-binary -> binary
/* 9 */ {"k6", "bar", 4, /* 9 */ {"k6", "bar", 4, 0}, // add back tag, with different value
0} // add back tag, with different value, but same length /* 10 */ {"foo", "bar", 4, CENSUS_TAG_PROPAGATE}, // another new tag
}; };
// Utility function to compare tags. Returns true if all fields match. // Utility function to compare tags. Returns true if all fields match.
@ -115,9 +115,12 @@ static void empty_test(void) {
// Test create and iteration over basic tag set. // Test create and iteration over basic tag set.
static void basic_test(void) { static void basic_test(void) {
census_tag_set_create_status status;
struct census_tag_set *cts = struct census_tag_set *cts =
census_tag_set_create(NULL, basic_tags, BASIC_TAG_COUNT, NULL); census_tag_set_create(NULL, basic_tags, BASIC_TAG_COUNT, &status);
GPR_ASSERT(census_tag_set_ntags(cts) == BASIC_TAG_COUNT); GPR_ASSERT(census_tag_set_ntags(cts) == BASIC_TAG_COUNT);
census_tag_set_create_status expected = {2, 2, 4, 0, 8, 0, 0, 0};
GPR_ASSERT(memcmp(&status, &expected, sizeof(status)) == 0);
census_tag_set_iterator it; census_tag_set_iterator it;
census_tag_set_initialize_iterator(cts, &it); census_tag_set_initialize_iterator(cts, &it);
census_tag tag; census_tag tag;
@ -163,36 +166,46 @@ static void invalid_test(void) {
// long keys, short value. Key lengths (including terminator) should be // long keys, short value. Key lengths (including terminator) should be
// <= 255 (CENSUS_MAX_TAG_KV_LEN) // <= 255 (CENSUS_MAX_TAG_KV_LEN)
GPR_ASSERT(strlen(key) == 299); GPR_ASSERT(strlen(key) == 299);
struct census_tag_set *cts = census_tag_set_create(NULL, &tag, 1, NULL); census_tag_set_create_status status;
struct census_tag_set *cts = census_tag_set_create(NULL, &tag, 1, &status);
GPR_ASSERT(census_tag_set_ntags(cts) == 0); GPR_ASSERT(census_tag_set_ntags(cts) == 0);
census_tag_set_create_status expected = {0, 0, 0, 0, 0, 0, 1, 0};
GPR_ASSERT(memcmp(&status, &expected, sizeof(status)) == 0);
census_tag_set_destroy(cts); census_tag_set_destroy(cts);
key[CENSUS_MAX_TAG_KV_LEN] = 0; key[CENSUS_MAX_TAG_KV_LEN] = 0;
GPR_ASSERT(strlen(key) == CENSUS_MAX_TAG_KV_LEN); GPR_ASSERT(strlen(key) == CENSUS_MAX_TAG_KV_LEN);
cts = census_tag_set_create(NULL, &tag, 1, NULL); cts = census_tag_set_create(NULL, &tag, 1, &status);
GPR_ASSERT(census_tag_set_ntags(cts) == 0); GPR_ASSERT(census_tag_set_ntags(cts) == 0);
GPR_ASSERT(memcmp(&status, &expected, sizeof(status)) == 0);
census_tag_set_destroy(cts); census_tag_set_destroy(cts);
key[CENSUS_MAX_TAG_KV_LEN - 1] = 0; key[CENSUS_MAX_TAG_KV_LEN - 1] = 0;
GPR_ASSERT(strlen(key) == CENSUS_MAX_TAG_KV_LEN - 1); GPR_ASSERT(strlen(key) == CENSUS_MAX_TAG_KV_LEN - 1);
cts = census_tag_set_create(NULL, &tag, 1, NULL); cts = census_tag_set_create(NULL, &tag, 1, &status);
GPR_ASSERT(census_tag_set_ntags(cts) == 1); GPR_ASSERT(census_tag_set_ntags(cts) == 1);
census_tag_set_create_status expected2 = {0, 0, 1, 0, 1, 0, 0, 0};
GPR_ASSERT(memcmp(&status, &expected2, sizeof(status)) == 0);
census_tag_set_destroy(cts); census_tag_set_destroy(cts);
// now try with long values // now try with long values
tag.value_len = 300; tag.value_len = 300;
cts = census_tag_set_create(NULL, &tag, 1, NULL); cts = census_tag_set_create(NULL, &tag, 1, &status);
GPR_ASSERT(census_tag_set_ntags(cts) == 0); GPR_ASSERT(census_tag_set_ntags(cts) == 0);
GPR_ASSERT(memcmp(&status, &expected, sizeof(status)) == 0);
census_tag_set_destroy(cts); census_tag_set_destroy(cts);
tag.value_len = CENSUS_MAX_TAG_KV_LEN + 1; tag.value_len = CENSUS_MAX_TAG_KV_LEN + 1;
cts = census_tag_set_create(NULL, &tag, 1, NULL); cts = census_tag_set_create(NULL, &tag, 1, &status);
GPR_ASSERT(census_tag_set_ntags(cts) == 0); GPR_ASSERT(census_tag_set_ntags(cts) == 0);
GPR_ASSERT(memcmp(&status, &expected, sizeof(status)) == 0);
census_tag_set_destroy(cts); census_tag_set_destroy(cts);
tag.value_len = CENSUS_MAX_TAG_KV_LEN; tag.value_len = CENSUS_MAX_TAG_KV_LEN;
cts = census_tag_set_create(NULL, &tag, 1, NULL); cts = census_tag_set_create(NULL, &tag, 1, &status);
GPR_ASSERT(census_tag_set_ntags(cts) == 1); GPR_ASSERT(census_tag_set_ntags(cts) == 1);
GPR_ASSERT(memcmp(&status, &expected2, sizeof(status)) == 0);
census_tag_set_destroy(cts); census_tag_set_destroy(cts);
// 0 length key. // 0 length key.
key[0] = 0; key[0] = 0;
cts = census_tag_set_create(NULL, &tag, 1, NULL); cts = census_tag_set_create(NULL, &tag, 1, &status);
GPR_ASSERT(census_tag_set_ntags(cts) == 0); GPR_ASSERT(census_tag_set_ntags(cts) == 0);
GPR_ASSERT(memcmp(&status, &expected, sizeof(status)) == 0);
census_tag_set_destroy(cts); census_tag_set_destroy(cts);
} }
@ -201,8 +214,11 @@ static void copy_test(void) {
struct census_tag_set *cts = struct census_tag_set *cts =
census_tag_set_create(NULL, basic_tags, BASIC_TAG_COUNT, NULL); census_tag_set_create(NULL, basic_tags, BASIC_TAG_COUNT, NULL);
GPR_ASSERT(census_tag_set_ntags(cts) == BASIC_TAG_COUNT); GPR_ASSERT(census_tag_set_ntags(cts) == BASIC_TAG_COUNT);
struct census_tag_set *cts2 = census_tag_set_create(cts, NULL, 0, NULL); census_tag_set_create_status status;
struct census_tag_set *cts2 = census_tag_set_create(cts, NULL, 0, &status);
GPR_ASSERT(census_tag_set_ntags(cts2) == BASIC_TAG_COUNT); GPR_ASSERT(census_tag_set_ntags(cts2) == BASIC_TAG_COUNT);
census_tag_set_create_status expected = {2, 2, 4, 0, 0, 0, 0, 0};
GPR_ASSERT(memcmp(&status, &expected, sizeof(status)) == 0);
for (int i = 0; i < census_tag_set_ntags(cts2); i++) { for (int i = 0; i < census_tag_set_ntags(cts2); i++) {
census_tag tag; census_tag tag;
GPR_ASSERT(census_tag_set_get_tag_by_key(cts2, basic_tags[i].key, &tag) == GPR_ASSERT(census_tag_set_get_tag_by_key(cts2, basic_tags[i].key, &tag) ==
@ -218,9 +234,12 @@ static void replace_value_test(void) {
struct census_tag_set *cts = struct census_tag_set *cts =
census_tag_set_create(NULL, basic_tags, BASIC_TAG_COUNT, NULL); census_tag_set_create(NULL, basic_tags, BASIC_TAG_COUNT, NULL);
GPR_ASSERT(census_tag_set_ntags(cts) == BASIC_TAG_COUNT); GPR_ASSERT(census_tag_set_ntags(cts) == BASIC_TAG_COUNT);
struct census_tag_set *cts2 = census_tag_set_create_status status;
census_tag_set_create(cts, modify_tags + REPLACE_VALUE_OFFSET, 1, NULL); struct census_tag_set *cts2 = census_tag_set_create(
cts, modify_tags + REPLACE_VALUE_OFFSET, 1, &status);
GPR_ASSERT(census_tag_set_ntags(cts2) == BASIC_TAG_COUNT); GPR_ASSERT(census_tag_set_ntags(cts2) == BASIC_TAG_COUNT);
census_tag_set_create_status expected = {2, 2, 4, 0, 0, 1, 0, 0};
GPR_ASSERT(memcmp(&status, &expected, sizeof(status)) == 0);
census_tag tag; census_tag tag;
GPR_ASSERT(census_tag_set_get_tag_by_key( GPR_ASSERT(census_tag_set_get_tag_by_key(
cts2, modify_tags[REPLACE_VALUE_OFFSET].key, &tag) == 1); cts2, modify_tags[REPLACE_VALUE_OFFSET].key, &tag) == 1);
@ -234,9 +253,12 @@ static void replace_flags_test(void) {
struct census_tag_set *cts = struct census_tag_set *cts =
census_tag_set_create(NULL, basic_tags, BASIC_TAG_COUNT, NULL); census_tag_set_create(NULL, basic_tags, BASIC_TAG_COUNT, NULL);
GPR_ASSERT(census_tag_set_ntags(cts) == BASIC_TAG_COUNT); GPR_ASSERT(census_tag_set_ntags(cts) == BASIC_TAG_COUNT);
census_tag_set_create_status status;
struct census_tag_set *cts2 = struct census_tag_set *cts2 =
census_tag_set_create(cts, modify_tags + REPLACE_FLAG_OFFSET, 1, NULL); census_tag_set_create(cts, modify_tags + REPLACE_FLAG_OFFSET, 1, &status);
GPR_ASSERT(census_tag_set_ntags(cts2) == BASIC_TAG_COUNT); GPR_ASSERT(census_tag_set_ntags(cts2) == BASIC_TAG_COUNT);
census_tag_set_create_status expected = {1, 2, 5, 0, 0, 1, 0, 0};
GPR_ASSERT(memcmp(&status, &expected, sizeof(status)) == 0);
census_tag tag; census_tag tag;
GPR_ASSERT(census_tag_set_get_tag_by_key( GPR_ASSERT(census_tag_set_get_tag_by_key(
cts2, modify_tags[REPLACE_FLAG_OFFSET].key, &tag) == 1); cts2, modify_tags[REPLACE_FLAG_OFFSET].key, &tag) == 1);
@ -250,9 +272,12 @@ static void delete_tag_test(void) {
struct census_tag_set *cts = struct census_tag_set *cts =
census_tag_set_create(NULL, basic_tags, BASIC_TAG_COUNT, NULL); census_tag_set_create(NULL, basic_tags, BASIC_TAG_COUNT, NULL);
GPR_ASSERT(census_tag_set_ntags(cts) == BASIC_TAG_COUNT); GPR_ASSERT(census_tag_set_ntags(cts) == BASIC_TAG_COUNT);
census_tag_set_create_status status;
struct census_tag_set *cts2 = struct census_tag_set *cts2 =
census_tag_set_create(cts, modify_tags + DELETE_TAG_OFFSET, 1, NULL); census_tag_set_create(cts, modify_tags + DELETE_TAG_OFFSET, 1, &status);
GPR_ASSERT(census_tag_set_ntags(cts2) == BASIC_TAG_COUNT - 1); GPR_ASSERT(census_tag_set_ntags(cts2) == BASIC_TAG_COUNT - 1);
census_tag_set_create_status expected = {2, 1, 4, 1, 0, 0, 0, 0};
GPR_ASSERT(memcmp(&status, &expected, sizeof(status)) == 0);
census_tag tag; census_tag tag;
GPR_ASSERT(census_tag_set_get_tag_by_key( GPR_ASSERT(census_tag_set_get_tag_by_key(
cts2, modify_tags[DELETE_TAG_OFFSET].key, &tag) == 0); cts2, modify_tags[DELETE_TAG_OFFSET].key, &tag) == 0);
@ -265,9 +290,12 @@ static void add_tag_test(void) {
struct census_tag_set *cts = struct census_tag_set *cts =
census_tag_set_create(NULL, basic_tags, BASIC_TAG_COUNT, NULL); census_tag_set_create(NULL, basic_tags, BASIC_TAG_COUNT, NULL);
GPR_ASSERT(census_tag_set_ntags(cts) == BASIC_TAG_COUNT); GPR_ASSERT(census_tag_set_ntags(cts) == BASIC_TAG_COUNT);
census_tag_set_create_status status;
struct census_tag_set *cts2 = struct census_tag_set *cts2 =
census_tag_set_create(cts, modify_tags + ADD_TAG_OFFSET, 1, NULL); census_tag_set_create(cts, modify_tags + ADD_TAG_OFFSET, 1, &status);
GPR_ASSERT(census_tag_set_ntags(cts2) == BASIC_TAG_COUNT + 1); GPR_ASSERT(census_tag_set_ntags(cts2) == BASIC_TAG_COUNT + 1);
census_tag_set_create_status expected = {2, 2, 5, 0, 1, 0, 0, 0};
GPR_ASSERT(memcmp(&status, &expected, sizeof(status)) == 0);
census_tag tag; census_tag tag;
GPR_ASSERT(census_tag_set_get_tag_by_key( GPR_ASSERT(census_tag_set_get_tag_by_key(
cts2, modify_tags[ADD_TAG_OFFSET].key, &tag) == 1); cts2, modify_tags[ADD_TAG_OFFSET].key, &tag) == 1);
@ -281,9 +309,12 @@ static void replace_add_delete_test(void) {
struct census_tag_set *cts = struct census_tag_set *cts =
census_tag_set_create(NULL, basic_tags, BASIC_TAG_COUNT, NULL); census_tag_set_create(NULL, basic_tags, BASIC_TAG_COUNT, NULL);
GPR_ASSERT(census_tag_set_ntags(cts) == BASIC_TAG_COUNT); GPR_ASSERT(census_tag_set_ntags(cts) == BASIC_TAG_COUNT);
census_tag_set_create_status status;
struct census_tag_set *cts2 = struct census_tag_set *cts2 =
census_tag_set_create(cts, modify_tags, MODIFY_TAG_COUNT, NULL); census_tag_set_create(cts, modify_tags, MODIFY_TAG_COUNT, &status);
GPR_ASSERT(census_tag_set_ntags(cts2) == 8); GPR_ASSERT(census_tag_set_ntags(cts2) == 9);
census_tag_set_create_status expected = {2, 1, 6, 2, 3, 4, 0, 2};
GPR_ASSERT(memcmp(&status, &expected, sizeof(status)) == 0);
// validate tag set contents. Use specific indices into the two arrays // validate tag set contents. Use specific indices into the two arrays
// holding tag values. // holding tag values.
GPR_ASSERT(validate_tag(cts2, &basic_tags[3])); GPR_ASSERT(validate_tag(cts2, &basic_tags[3]));
@ -294,6 +325,7 @@ static void replace_add_delete_test(void) {
GPR_ASSERT(validate_tag(cts2, &modify_tags[7])); GPR_ASSERT(validate_tag(cts2, &modify_tags[7]));
GPR_ASSERT(validate_tag(cts2, &modify_tags[8])); GPR_ASSERT(validate_tag(cts2, &modify_tags[8]));
GPR_ASSERT(validate_tag(cts2, &modify_tags[9])); GPR_ASSERT(validate_tag(cts2, &modify_tags[9]));
GPR_ASSERT(validate_tag(cts2, &modify_tags[10]));
GPR_ASSERT(!validate_tag(cts2, &basic_tags[0])); GPR_ASSERT(!validate_tag(cts2, &basic_tags[0]));
GPR_ASSERT(!validate_tag(cts2, &basic_tags[1])); GPR_ASSERT(!validate_tag(cts2, &basic_tags[1]));
GPR_ASSERT(!validate_tag(cts2, &basic_tags[2])); GPR_ASSERT(!validate_tag(cts2, &basic_tags[2]));
@ -304,8 +336,8 @@ static void replace_add_delete_test(void) {
census_tag_set_destroy(cts2); census_tag_set_destroy(cts2);
} }
// Use the basic tag set to test encode/decode. // test encode/decode.
static void simple_encode_decode_test(void) { static void encode_decode_test(void) {
char buf1[1000]; char buf1[1000];
char buf2[1000]; char buf2[1000];
struct census_tag_set *cts = struct census_tag_set *cts =
@ -317,9 +349,12 @@ static void simple_encode_decode_test(void) {
GPR_ASSERT(census_tag_set_encode_propagated_binary(cts, buf2, 1) == 0); GPR_ASSERT(census_tag_set_encode_propagated_binary(cts, buf2, 1) == 0);
size_t b2 = census_tag_set_encode_propagated_binary(cts, buf2, 1000); size_t b2 = census_tag_set_encode_propagated_binary(cts, buf2, 1000);
GPR_ASSERT(b2 != 0); GPR_ASSERT(b2 != 0);
census_tag_set *cts2 = census_tag_set_decode(buf1, b1, buf2, b2); census_tag_set_create_status status;
census_tag_set *cts2 = census_tag_set_decode(buf1, b1, buf2, b2, &status);
GPR_ASSERT(cts2 != NULL); GPR_ASSERT(cts2 != NULL);
GPR_ASSERT(census_tag_set_ntags(cts2) == 4); GPR_ASSERT(census_tag_set_ntags(cts2) == 4);
census_tag_set_create_status expected = {2, 2, 0, 0, 0, 0, 0, 0};
GPR_ASSERT(memcmp(&status, &expected, sizeof(status)) == 0);
for (int i = 0; i < census_tag_set_ntags(cts); i++) { for (int i = 0; i < census_tag_set_ntags(cts); i++) {
census_tag tag; census_tag tag;
if (CENSUS_TAG_IS_PROPAGATED(basic_tags[i].flags)) { if (CENSUS_TAG_IS_PROPAGATED(basic_tags[i].flags)) {
@ -335,31 +370,6 @@ static void simple_encode_decode_test(void) {
census_tag_set_destroy(cts); census_tag_set_destroy(cts);
} }
// Use more complex/modified tag set to test encode/decode.
static void complex_encode_decode_test(void) {
char buf1[500];
char buf2[500];
struct census_tag_set *cts =
census_tag_set_create(NULL, basic_tags, BASIC_TAG_COUNT, NULL);
GPR_ASSERT(census_tag_set_ntags(cts) == BASIC_TAG_COUNT);
struct census_tag_set *cts2 =
census_tag_set_create(cts, modify_tags, MODIFY_TAG_COUNT, NULL);
GPR_ASSERT(census_tag_set_ntags(cts2) == 8);
size_t b1 = census_tag_set_encode_propagated(cts2, buf1, 500);
GPR_ASSERT(b1 != 0);
size_t b2 = census_tag_set_encode_propagated_binary(cts2, buf2, 500);
GPR_ASSERT(b2 != 0);
census_tag_set *cts3 = census_tag_set_decode(buf1, b1, buf2, b2);
GPR_ASSERT(cts3 != NULL);
GPR_ASSERT(census_tag_set_ntags(cts3) == 2);
GPR_ASSERT(validate_tag(cts3, &basic_tags[4]));
GPR_ASSERT(validate_tag(cts3, &modify_tags[8]));
census_tag_set_destroy(cts3);
census_tag_set_destroy(cts2);
census_tag_set_destroy(cts);
}
int main(int argc, char *argv[]) { int main(int argc, char *argv[]) {
grpc_test_init(argc, argv); grpc_test_init(argc, argv);
empty_test(); empty_test();
@ -372,7 +382,6 @@ int main(int argc, char *argv[]) {
delete_tag_test(); delete_tag_test();
add_tag_test(); add_tag_test();
replace_add_delete_test(); replace_add_delete_test();
simple_encode_decode_test(); encode_decode_test();
complex_encode_decode_test();
return 0; return 0;
} }

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