Lesson 35 - Get Compute Auth Token Working

Plugins/GameLiftPlugin/Source/AWSSDK/Include/aws/io/message_pool.h

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+#ifndef AWS_IO_MESSAGE_POOL_H
+#define AWS_IO_MESSAGE_POOL_H
+/**
+ * Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved.
+ * SPDX-License-Identifier: Apache-2.0.
+ */
+#include <aws/common/array_list.h>
+#include <aws/io/io.h>
+
+AWS_PUSH_SANE_WARNING_LEVEL
+
+struct aws_memory_pool {
+    struct aws_allocator *alloc;
+    struct aws_array_list stack;
+    uint16_t ideal_segment_count;
+    size_t segment_size;
+    void *data_ptr;
+};
+
+struct aws_message_pool {
+    struct aws_allocator *alloc;
+    struct aws_memory_pool application_data_pool;
+    struct aws_memory_pool small_block_pool;
+};
+
+struct aws_message_pool_creation_args {
+    size_t application_data_msg_data_size;
+    uint8_t application_data_msg_count;
+    size_t small_block_msg_data_size;
+    uint8_t small_block_msg_count;
+};
+
+AWS_EXTERN_C_BEGIN
+
+AWS_IO_API
+int aws_memory_pool_init(
+    struct aws_memory_pool *mempool,
+    struct aws_allocator *alloc,
+    uint16_t ideal_segment_count,
+    size_t segment_size);
+
+AWS_IO_API
+void aws_memory_pool_clean_up(struct aws_memory_pool *mempool);
+
+/**
+ * Acquires memory from the pool if available, otherwise, it attempts to allocate and returns the result.
+ */
+AWS_IO_API
+void *aws_memory_pool_acquire(struct aws_memory_pool *mempool);
+
+/**
+ * Releases memory to the pool if space is available, otherwise frees `to_release`
+ */
+AWS_IO_API
+void aws_memory_pool_release(struct aws_memory_pool *mempool, void *to_release);
+
+/**
+ * Initializes message pool using 'msg_pool' as the backing pool, 'args' is copied.
+ */
+AWS_IO_API
+int aws_message_pool_init(
+    struct aws_message_pool *msg_pool,
+    struct aws_allocator *alloc,
+    struct aws_message_pool_creation_args *args);
+
+AWS_IO_API
+void aws_message_pool_clean_up(struct aws_message_pool *msg_pool);
+
+/**
+ * Acquires a message from the pool if available, otherwise, it attempts to allocate. If a message is acquired,
+ * note that size_hint is just a hint. the return value's capacity will be set to the actual buffer size.
+ */
+AWS_IO_API
+struct aws_io_message *aws_message_pool_acquire(
+    struct aws_message_pool *msg_pool,
+    enum aws_io_message_type message_type,
+    size_t size_hint);
+
+/**
+ * Releases message to the pool if space is available, otherwise frees `message`
+ * @param message
+ */
+AWS_IO_API
+void aws_message_pool_release(struct aws_message_pool *msg_pool, struct aws_io_message *message);
+
+AWS_EXTERN_C_END
+AWS_POP_SANE_WARNING_LEVEL
+
+#endif /* AWS_IO_MESSAGE_POOL_H */