mirror of
https://github.com/ZLMediaKit/ZLMediaKit.git
synced 2024-11-25 12:11:36 +08:00
2f8dab66c5
* 部分hls中会出现类似[../]或者[./]的相对地址, 因此写了一个解析的方法 * 有时候上游http协议不规范会导致直接输出eof, 特别是在自动重试机制开启下, 容易造成定时器没办法初始化从而拉不到流但是session一直存在,所以需要做一个判断,如果没数据直接报错
143 lines
3.5 KiB
C++
143 lines
3.5 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 FindField(const char *buf, const char *start, const char *end, size_t bufSize = 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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struct StrCaseCompare {
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bool operator()(const std::string &__x, const std::string &__y) const {
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return strcasecmp(__x.data(), __y.data()) < 0;
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}
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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 V>
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void emplace(const std::string &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(k, std::forward<V>(v));
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}
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template<typename V>
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void emplace_force(const std::string k, V &&v) {
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Super::emplace(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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//解析信令
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void Parse(const char *buf);
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//获取命令字
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const std::string &Method() const;
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//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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//获取中间url，包含?后面的参数
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std::string FullUrl() const;
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//获取命令协议名
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const std::string &Tail() 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 &Params() 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 merge_url(const std::string &base_url, const std::string &path);
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private:
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std::string _strMethod;
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std::string _strUrl;
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std::string _strTail;
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std::string _strContent;
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std::string _strNull;
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std::string _params;
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mutable StrCaseMap _mapHeaders;
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mutable StrCaseMap _mapUrlArgs;
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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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