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Added bucket functionality

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Granyaa
2026-01-14 16:06:07 +02:00
parent 4999d05903
commit dc85e0e789
4 changed files with 75 additions and 15 deletions
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56
attachments/nano_attachment/nano_attachment_bucket.c
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@@ -1 +1,57 @@
#include "nano_attachment_bucket.h"
#define CP_ASYNC_CTX_BUCKETS 2048 ///< Hash table buckets for better distribution
///
/// @brief Hash function for session IDs using Knuth's multiplicative method
/// @param[in] session_id Session ID to hash
/// @return Hash bucket index
///
static uint
nano_attachment_async_ctx_hash(SessionID session_id)
{
// Knuth's multiplicative hash with golden ratio constant
static const uint32_t KNUTH_CONSTANT = 2654435761U; // (sqrt(5) - 1) / 2 * 2^32
return (session_id * KNUTH_CONSTANT) % CP_ASYNC_CTX_BUCKETS;
}
AttachmentVerdictResponse
NanoAsyncFindResponse(NanoAttachment *attachment, SessionID session_id)
{
AttachmentVerdictResponse response;
uint bucket = nano_attachment_async_ctx_hash(session_id);
response.verdict = attachment->async_buckets[bucket]->verdict;
response.session_id = attachment->async_buckets[bucket]->session_id;
response.modifications = attachment->async_buckets[bucket]->modifications;
response.web_response_data = attachment->async_buckets[bucket]->web_response_data;
return response;
}
NanoCommunicationResult
NanoAsyncAddResponse(NanoAttachment *attachment, SessionID session_id, AttachmentVerdictResponse *response)
{
uint bucket;
if (response == NULL) {
return NANO_ERROR;
}
bucket = nano_attachment_async_ctx_hash(session_id);
attachment->async_buckets[bucket]->session_id = response->session_id;
attachment->async_buckets[bucket]->verdict = response->verdict;
attachment->async_buckets[bucket]->modifications = response->modifications;
attachment->async_buckets[bucket]->web_response_data = response->web_response_data;
return NANO_OK;
}
void
NanoAsyncRemoveResponse(NanoAttachment *attachment, SessionID session_id)
{
uint bucket = nano_attachment_async_ctx_hash(ctx->session_id);
attachment->async_buckets[bucket]->session_id = 0;
attachment->async_buckets[bucket]->verdict = ATTACHMENT_VERDICT_INSPECT;
attachment->async_buckets[bucket]->modifications = NULL;
attachment->async_buckets[bucket]->web_response_data = NULL;
}