1 files changed, 0 insertions, 108 deletions
diff --git a/ratelimit.c b/ratelimit.c
deleted file mode 100644
index 38f756e..0000000
--- a/ratelimit.c
+++ /dev/null
@@ -1,108 +0,0 @@
-#include <pthread.h>
-#include <stdint.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <time.h>
-
-#define TABLE_SIZE    2048
-#define MAX_KEY_LEN   46
-#define STALE_SECONDS 30
-
-struct rl_entry {
-    char   ip[ MAX_KEY_LEN ];
-    time_t last_request;
-    int    count;
-    int    in_use;
-};
-
-struct rl_table {
-    struct rl_entry entries[ TABLE_SIZE ];
-    pthread_mutex_t mutex;
-};
-
-struct rl_table* global_ratelimit = NULL;
-
-void ratelimit_init() {
-    if (global_ratelimit != NULL) return;
-
-    struct rl_table* table = malloc(sizeof(struct rl_table));
-    if (!table) {
-        perror("failed to alloc ratelimit table");
-        exit(1);
-    }
-    memset(table->entries, 0, sizeof(table->entries));
-    pthread_mutex_init(&table->mutex, NULL);
-
-    global_ratelimit = table;
-}
-
-static uint32_t hash_ip(const char* ip) {
-    uint32_t hash = 5381;
-    while (*ip) hash = (hash << 5) + hash + *ip++;
-    return hash % TABLE_SIZE;
-}
-
-int ratelimit_check(const char* ip) {
-    ratelimit_init();
-    pthread_mutex_lock(&global_ratelimit->mutex);
-
-    time_t   now    = time(NULL);
-    uint32_t index  = hash_ip(ip);
-    uint32_t probes = 0;
-
-    while (probes < TABLE_SIZE) {
-        struct rl_entry* entry = &global_ratelimit->entries[ index ];
-
-        if (!entry->in_use) {
-            strncpy(entry->ip, ip, MAX_KEY_LEN - 1);
-            entry->ip[ MAX_KEY_LEN - 1 ] = '\0';
-            entry->last_request          = now;
-            entry->count                 = 1;
-            entry->in_use                = 1;
-            pthread_mutex_unlock(&global_ratelimit->mutex);
-            return 1;
-        }
-
-        if (strcmp(entry->ip, ip) == 0) {
-            if (now > entry->last_request) {
-                entry->last_request = now;
-                entry->count        = 1;
-            } else if (entry->count >= 4) {
-                pthread_mutex_unlock(&global_ratelimit->mutex);
-                return 0;
-            } else {
-                entry->count++;
-            }
-            pthread_mutex_unlock(&global_ratelimit->mutex);
-            return 1;
-        }
-
-        if (entry->in_use && (now - entry->last_request) > STALE_SECONDS) {
-            entry->in_use       = 0;
-            entry->count        = 0;
-            entry->last_request = 0;
-            entry->ip[ 0 ]      = '\0';
-            strncpy(entry->ip, ip, MAX_KEY_LEN - 1);
-            entry->ip[ MAX_KEY_LEN - 1 ] = '\0';
-            entry->last_request          = now;
-            entry->count                 = 1;
-            entry->in_use                = 1;
-            pthread_mutex_unlock(&global_ratelimit->mutex);
-            return 1;
-        }
-
-        index = (index + 1) % TABLE_SIZE;
-        probes++;
-    }
-
-    pthread_mutex_unlock(&global_ratelimit->mutex);
-    return 0;
-}
-
-void ratelimit_free(struct rl_table* table) {
-    if (table) {
-        pthread_mutex_destroy(&table->mutex);
-        free(table);
-    }
-}
-\ No newline at end of file