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Gate log head CAS on readable chunk verification

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This commit is contained in:
Carl Niklas Rydberg 2026-02-08 08:46:09 +01:00
parent 327812ca96
commit d0e53170f3
1 changed files with 28 additions and 7 deletions
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35
src/core/asl_log_store.c
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@ -8,12 +8,15 @@
#include <stdint.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
enum {
AMDUAT_ASL_LOG_MAGIC_LEN = 8,
AMDUAT_ASL_LOG_VERSION = 1,
AMDUAT_ASL_LOG_CHUNK_MAX_ENTRIES = 1024u,
AMDUAT_ASL_LOG_MAX_RETRIES = 8u
AMDUAT_ASL_LOG_MAX_RETRIES = 8u,
AMDUAT_ASL_LOG_VERIFY_MAX_RETRIES = 6u,
AMDUAT_ASL_LOG_VERIFY_RETRY_US = 2000u
};
static const uint8_t k_amduat_asl_log_magic[AMDUAT_ASL_LOG_MAGIC_LEN] = {
@ -656,21 +659,39 @@ amduat_asl_store_error_t amduat_asl_log_append(
{
amduat_artifact_t verify_artifact;
amduat_asl_store_error_t verify_err;
uint32_t verify_attempt = 0u;
char *new_ref_hex = NULL;
(void)amduat_asl_ref_encode_hex(new_ref, &new_ref_hex);
verify_err = amduat_asl_store_get(log_store->store, new_ref,
&verify_artifact);
if (verify_err == AMDUAT_ASL_STORE_OK) {
amduat_artifact_free(&verify_artifact);
} else {
while (verify_attempt < AMDUAT_ASL_LOG_VERIFY_MAX_RETRIES) {
verify_err = amduat_asl_store_get(log_store->store, new_ref,
&verify_artifact);
if (verify_err == AMDUAT_ASL_STORE_OK) {
break;
}
if (verify_err != AMDUAT_ASL_STORE_ERR_NOT_FOUND ||
verify_attempt + 1u >= AMDUAT_ASL_LOG_VERIFY_MAX_RETRIES) {
break;
}
usleep(AMDUAT_ASL_LOG_VERIFY_RETRY_US);
verify_attempt++;
}
if (verify_err != AMDUAT_ASL_STORE_OK) {
amduat_log(AMDUAT_LOG_ERROR,
"asl_log_append: store_put verify get failed (log=%s pointer=%s attempt=%u err=%d new_ref=%s)",
"asl_log_append: store_put verify get failed (log=%s pointer=%s attempt=%u verify_attempts=%u err=%d new_ref=%s)",
log_name != NULL ? log_name : "(null)",
pointer_name != NULL ? pointer_name : "(null)",
(unsigned)attempt,
(unsigned)(verify_attempt + 1u),
(int)verify_err,
new_ref_hex != NULL ? new_ref_hex : "(hex-encode-failed)");
free(new_ref_hex);
if (head_exists) {
amduat_reference_free(&head_ref);
}
free(pointer_name);
return AMDUAT_ASL_STORE_ERR_IO;
}
amduat_artifact_free(&verify_artifact);
free(new_ref_hex);
}