mirror of
https://github.com/ZLMediaKit/ZLMediaKit.git
synced 2024-11-25 04:08:57 +08:00
d593267f61
支持通过http代理拉流, 避免内外网复杂网络环境时需要专门配置防火墙,现在只需要配置一台代理内网的服务器. --------- Co-authored-by: xia-chu <771730766@qq.com>
146 lines
4.0 KiB
C++
146 lines
4.0 KiB
C++
/*
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* Copyright (c) 2016 The ZLMediaKit project authors. All Rights Reserved.
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*
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* This file is part of ZLMediaKit(https://github.com/xia-chu/ZLMediaKit).
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*
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* Use of this source code is governed by MIT license that can be found in the
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* LICENSE file in the root of the source tree. All contributing project authors
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* may be found in the AUTHORS file in the root of the source tree.
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*/
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#ifndef ZLMEDIAKIT_PARSER_H
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#define ZLMEDIAKIT_PARSER_H
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#include <map>
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#include <string>
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#include "Util/util.h"
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namespace mediakit {
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// 从字符串中提取子字符串
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std::string findSubString(const char *buf, const char *start, const char *end, size_t buf_size = 0);
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// 把url解析为主机地址和端口号,兼容ipv4/ipv6/dns
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void splitUrl(const std::string &url, std::string &host, uint16_t &port);
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// 解析proxy url,仅支持http
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void parseProxyUrl(const std::string &proxy_url, std::string &proxy_host, uint16_t &proxy_port, std::string &proxy_auth);
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struct StrCaseCompare {
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bool operator()(const std::string &__x, const std::string &__y) const { return strcasecmp(__x.data(), __y.data()) < 0; }
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};
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class StrCaseMap : public std::multimap<std::string, std::string, StrCaseCompare> {
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public:
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using Super = multimap<std::string, std::string, StrCaseCompare>;
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StrCaseMap() = default;
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~StrCaseMap() = default;
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std::string &operator[](const std::string &k) {
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auto it = find(k);
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if (it == end()) {
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it = Super::emplace(k, "");
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}
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return it->second;
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}
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template <typename K, typename V>
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void emplace(K &&k, V &&v) {
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auto it = find(k);
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if (it != end()) {
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return;
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}
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Super::emplace(std::forward<K>(k), std::forward<V>(v));
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}
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template <typename K, typename V>
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void emplace_force(K &&k, V &&v) {
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Super::emplace(std::forward<K>(k), std::forward<V>(v));
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}
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};
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// rtsp/http/sip解析类
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class Parser {
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public:
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Parser() = default;
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~Parser() = default;
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// 解析http/rtsp/sip请求，需要确保buf以\0结尾
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void parse(const char *buf, size_t size);
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// 获取命令字，如GET/POST
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const std::string &method() const;
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// 请求时，获取中间url，不包含?后面的参数
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const std::string &url() const;
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// 回复时，获取状态码，如200/404
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const std::string &status() const;
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// 获取中间url，包含?后面的参数
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std::string fullUrl() const;
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// 请求时，获取协议名，如HTTP/1.1
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const std::string &protocol() const;
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// 回复时，获取状态字符串，如 OK/Not Found
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const std::string &statusStr() const;
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// 根据header key名，获取请求header value值
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const std::string &operator[](const char *name) const;
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// 获取http body或sdp
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const std::string &content() const;
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// 清空，为了重用
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void clear();
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// 获取?后面的参数
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const std::string ¶ms() const;
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// 重新设置url
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void setUrl(std::string url);
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// 重新设置content
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void setContent(std::string content);
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// 获取header列表
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StrCaseMap &getHeader() const;
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// 获取url参数列表
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StrCaseMap &getUrlArgs() const;
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// 解析?后面的参数
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static StrCaseMap parseArgs(const std::string &str, const char *pair_delim = "&", const char *key_delim = "=");
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static std::string mergeUrl(const std::string &base_url, const std::string &path);
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private:
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std::string _method;
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std::string _url;
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std::string _protocol;
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std::string _content;
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std::string _params;
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mutable StrCaseMap _headers;
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mutable StrCaseMap _url_args;
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};
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// 解析rtsp url的工具类
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class RtspUrl {
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public:
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bool _is_ssl;
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uint16_t _port;
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std::string _url;
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std::string _user;
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std::string _passwd;
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std::string _host;
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public:
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RtspUrl() = default;
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~RtspUrl() = default;
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void parse(const std::string &url);
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private:
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void setup(bool, const std::string &, const std::string &, const std::string &);
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};
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} // namespace mediakit
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#endif // ZLMEDIAKIT_PARSER_H
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