5adf5e0581
- http.c: 修复 Range 请求解析被错误嵌套在 accept-encoding 分支的 bug - static.c: 补充缺失的 <errno.h> 和 <zlib.h> 头文件，修复编译失败 - Makefile: 添加 -lz 链接参数，支持 gzip 压缩功能
122 lines
2.7 KiB
C
122 lines
2.7 KiB
C
/**
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* http.h - HTTP 解析模块接口
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*
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* 提供 HTTP 请求解析和响应构建的接口。
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*
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* @author xfy
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*/
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#ifndef COCOON_HTTP_H
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#define COCOON_HTTP_H
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#include <stdint.h>
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#include <stdbool.h>
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#include <stddef.h>
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/* === HTTP 方法 === */
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typedef enum {
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HTTP_GET,
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HTTP_HEAD,
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HTTP_POST,
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HTTP_PUT,
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HTTP_DELETE,
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HTTP_OPTIONS,
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HTTP_UNKNOWN
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} http_method_t;
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/* === HTTP 请求 === */
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#define HTTP_MAX_PATH 4096
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#define HTTP_MAX_HEADERS 32
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#define HTTP_HEADER_NAME_MAX 64
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#define HTTP_HEADER_VALUE_MAX 1024
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typedef struct {
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http_method_t method;
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char path[HTTP_MAX_PATH];
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char version[16];
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/* 请求头 */
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struct {
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char name[HTTP_HEADER_NAME_MAX];
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char value[HTTP_HEADER_VALUE_MAX];
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} headers[HTTP_MAX_HEADERS];
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int num_headers;
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/* 常用头快速访问 */
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int64_t content_length;
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bool keep_alive;
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bool has_range;
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int64_t range_start;
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int64_t range_end;
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/* 缓存相关头 */
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char if_none_match[64];
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char if_modified_since[64];
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bool has_if_none_match;
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bool has_if_modified_since;
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/* 压缩相关头 */
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bool accept_gzip; /* 客户端支持 gzip */
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bool accept_deflate; /* 客户端支持 deflate */
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bool has_accept_encoding;
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} http_request_t;
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/* === HTTP 响应 === */
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typedef struct {
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int status_code;
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const char *status_text;
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const char *content_type;
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int64_t content_length;
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bool keep_alive;
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bool has_range;
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int64_t range_start;
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int64_t range_end;
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int64_t total_length;
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/* 缓存 */
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const char *etag;
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const char *last_modified;
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/* 压缩 */
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const char *content_encoding;
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} http_response_t;
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/* === API === */
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/**
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* http_parse_request - 从缓冲区解析 HTTP 请求
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*
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* @param buf 输入缓冲区
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* @param len 缓冲区长度
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* @param req 输出请求结构体
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* @return 成功解析的字节数，< 0 表示错误（-1 = 不完整，-2 = 格式错误）
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*/
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int http_parse_request(const char *buf, size_t len, http_request_t *req);
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/**
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* http_format_response_header - 格式化响应头到缓冲区
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*
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* @param buf 输出缓冲区
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* @param buf_size 缓冲区大小
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* @param resp 响应信息
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* @return 写入的字节数，< 0 表示缓冲区不足
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*/
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int http_format_response_header(char *buf, size_t buf_size, const http_response_t *resp);
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/**
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* http_method_str - HTTP 方法转字符串
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*
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* @param method HTTP 方法
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* @return 方法字符串（如 "GET"）
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*/
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const char *http_method_str(http_method_t method);
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/**
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* http_mime_type - 根据文件扩展名获取 MIME 类型
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*
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* @param path 文件路径
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* @return MIME 类型字符串
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*/
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const char *http_mime_type(const char *path);
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#endif /* COCOON_HTTP_H */
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