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vendor/swoole/include/buffer.h

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+/*
+  +----------------------------------------------------------------------+
+  | Swoole                                                               |
+  +----------------------------------------------------------------------+
+  | This source file is subject to version 2.0 of the Apache license,    |
+  | that is bundled with this package in the file LICENSE, and is        |
+  | available through the world-wide-web at the following url:           |
+  | http://www.apache.org/licenses/LICENSE-2.0.html                      |
+  | If you did not receive a copy of the Apache2.0 license and are unable|
+  | to obtain it through the world-wide-web, please send a note to       |
+  | license@php.net so we can mail you a copy immediately.               |
+  +----------------------------------------------------------------------+
+  | Author: Tianfeng Han  <mikan.tenny@gmail.com>                        |
+  +----------------------------------------------------------------------+
+*/
+
+#ifndef SW_BUFFER_H_
+#define SW_BUFFER_H_
+
+#ifdef __cplusplus
+extern "C"
+{
+#endif
+
+enum swBufferChunk
+{
+    SW_CHUNK_DATA,
+    SW_CHUNK_SENDFILE,
+    SW_CHUNK_CLOSE,
+};
+
+typedef struct _swBuffer_trunk
+{
+    uint32_t type;
+    uint32_t length;
+    uint32_t offset;
+    union
+    {
+        void *ptr;
+        struct
+        {
+            uint32_t val1;
+            uint32_t val2;
+        } data;
+    } store;
+    uint32_t size;
+    void (*destroy)(struct _swBuffer_trunk *chunk);
+    struct _swBuffer_trunk *next;
+} swBuffer_trunk;
+
+typedef struct _swBuffer
+{
+    int fd;
+    uint8_t trunk_num; //trunk数量
+    uint16_t trunk_size;
+    uint32_t length;
+    swBuffer_trunk *head;
+    swBuffer_trunk *tail;
+} swBuffer;
+
+#define swBuffer_get_trunk(buffer)   (buffer->head)
+#define swBuffer_empty(buffer)       (buffer == NULL || buffer->head == NULL)
+
+swBuffer* swBuffer_new(int trunk_size);
+swBuffer_trunk *swBuffer_new_trunk(swBuffer *buffer, uint32_t type, uint32_t size);
+void swBuffer_pop_trunk(swBuffer *buffer, swBuffer_trunk *trunk);
+int swBuffer_append(swBuffer *buffer, void *data, uint32_t size);
+
+void swBuffer_debug(swBuffer *buffer, int print_data);
+int swBuffer_free(swBuffer *buffer);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* SW_BUFFER_H_ */