Update the headers to the latest state.

Author: iddm

build.rs

@@ -42,6 +42,7 @@ fn main() {
     // tricks that we need to complete the build.
 
     const EXPERIMENTAL_API: &str = "REDISMODULE_EXPERIMENTAL_API";
+    const RLEC_API: &str = "REDISMODULE_RLEC";
 
     let mut build = cc::Build::new();
 
@@ -55,7 +56,9 @@ fn main() {
 
     let bindings = bindings_generator
         .clang_arg(format!("-D{EXPERIMENTAL_API}"))
+        .clang_arg(format!("-D{RLEC_API}"))
         .header("src/include/redismodule.h")
+        .header("src/include/redismodule-rlec.h")
         .allowlist_var("(REDIS|Redis).*")
         .blocklist_type("__darwin_.*")
         .allowlist_type("RedisModule.*")

redismodule-rs-macros-internals/src/lib.rs

@@ -143,7 +143,7 @@ pub fn api(item: TokenStream) -> TokenStream {
             } else if #[cfg(any(#(#all_upper_features, )*))] {
                 #new_ver_func
             } else {
-                compile_error!("min-redis-compatibility-version is not set correctly")
+                compile_error!("Cannot generate the api! macro code. The \"min-redis-compatibility-version\" feature is not set up correctly")
             }
         }
     };

src/include/redismodule-rlec.h

@@ -0,0 +1,97 @@
+
+#pragma once
+
+// clang-format off
+
+#include <sys/types.h>
+#include <stdint.h>
+#include <stdio.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+//---------------------------------------------------------------------------------------------
+// bigredis extensions
+
+#define REDISMODULE_METADATA_NOT_ON_SWAP 0x80
+
+/* Notification that a key's value is added to ram (from swap or otherwise).
+ * swap_key_flags has 4 bits that the module can write / read.
+ * when swap_key_metadata is NOT_ON_SWAP, it means the key is not loaded from swap. */
+typedef void (*RedisModuleTypeKeyAddedToDbDictFunc)(RedisModuleCtx *ctx, RedisModuleString *key, void *value, int swap_key_metadata);
+
+/* Notification that a key's value is removed from ram (may still exist on swap).
+ * when swap_key_metadata is NOT_ON_SWAP it means the key does not exist on swap.
+ * return swap_key_metadata or NOT_ON_SWAP if key is to be deleted (and not to be written). */
+typedef int (*RedisModuleTypeRemovingKeyFromDbDictFunc)(RedisModuleCtx *ctx, RedisModuleString *key, void *value, int swap_key_metadata, int writing_to_swap);
+
+/* return swap_key_metadata, 0 indicates nothing to write. when out_min_expire is -1 it indicates nothing to write. */
+typedef int (*RedisModuleTypeGetKeyMetadataForRdbFunc)(RedisModuleCtx *ctx, RedisModuleString *key, void *value, long long *out_min_expire, long long *out_max_expire);
+
+#define REDISMODULE_TYPE_EXT_METHOD_VERSION 1
+typedef struct RedisModuleTypeExtMethods {
+    uint64_t version;
+    RedisModuleTypeKeyAddedToDbDictFunc key_added_to_db_dict;
+    RedisModuleTypeRemovingKeyFromDbDictFunc removing_key_from_db_dict;
+    RedisModuleTypeGetKeyMetadataForRdbFunc get_key_metadata_for_rdb;
+} RedisModuleTypeExtMethods;
+
+typedef void (*RedisModuleSwapPrefetchCB)(RedisModuleCtx *ctx, RedisModuleString *key, void* user_data);
+
+/* APIs */
+
+REDISMODULE_API int (*RedisModule_SetDataTypeExtensions)(RedisModuleCtx *ctx, RedisModuleType *mt, RedisModuleTypeExtMethods *typemethods) REDISMODULE_ATTR;
+REDISMODULE_API int (*RedisModule_SwapPrefetchKey)(RedisModuleCtx *ctx, RedisModuleString *keyname, RedisModuleSwapPrefetchCB fn, void *user_data, int flags) REDISMODULE_ATTR;
+REDISMODULE_API int (*RedisModule_GetSwapKeyMetadata)(RedisModuleCtx *ctx, RedisModuleString *key) REDISMODULE_ATTR;
+REDISMODULE_API int (*RedisModule_SetSwapKeyMetadata)(RedisModuleCtx *ctx, RedisModuleString *key, int module_metadata) REDISMODULE_ATTR;
+REDISMODULE_API int (*RedisModule_IsKeyInRam)(RedisModuleCtx *ctx, RedisModuleString *key) REDISMODULE_ATTR;
+
+//---------------------------------------------------------------------------------------------
+
+/* Keyspace changes notification classes. Every class is associated with a
+ * character for configuration purposes.
+ * NOTE: These have to be in sync with NOTIFY_* in server.h */
+
+#define REDISMODULE_NOTIFY_TRIMMED (1<<30)     /* trimmed by reshard trimming enterprise only event */
+
+/* Server events definitions.
+ * Those flags should not be used directly by the module, instead
+ * the module should use RedisModuleEvent_* variables */
+
+#define REDISMODULE_EVENT_SHARDING 1000
+
+static const RedisModuleEvent
+    RedisModuleEvent_Sharding = {
+        REDISMODULE_EVENT_SHARDING,
+        1
+    };
+
+/* Those are values that are used for the 'subevent' callback argument. */
+
+#define REDISMODULE_SUBEVENT_SHARDING_SLOT_RANGE_CHANGED 0
+#define REDISMODULE_SUBEVENT_SHARDING_TRIMMING_STARTED 1
+#define REDISMODULE_SUBEVENT_SHARDING_TRIMMING_ENDED 2
+
+/* APIs */
+
+REDISMODULE_API int (*RedisModule_ShardingGetKeySlot)(RedisModuleString *keyname) REDISMODULE_ATTR;
+REDISMODULE_API void (*RedisModule_ShardingGetSlotRange)(int *first_slot, int *last_slot) REDISMODULE_ATTR;
+
+//---------------------------------------------------------------------------------------------
+
+#define REDISMODULE_RLEC_API_DEFS \
+    REDISMODULE_GET_API(ShardingGetKeySlot); \
+    REDISMODULE_GET_API(ShardingGetSlotRange); \
+    REDISMODULE_GET_API(SetDataTypeExtensions); \
+    REDISMODULE_GET_API(SwapPrefetchKey); \
+    REDISMODULE_GET_API(GetSwapKeyMetadata); \
+    REDISMODULE_GET_API(SetSwapKeyMetadata); \
+    REDISMODULE_GET_API(IsKeyInRam); \
+    /**/
+
+//---------------------------------------------------------------------------------------------
+
+#ifdef __cplusplus
+}
+#endif