mirror of
https://github.com/ossrs/srs.git
synced 2025-03-09 15:49:59 +00:00
refine amf0, move declarations from cpp to hpp, use namespace _srs_internal
This commit is contained in:
winlin
parent
d22e7cab0a
commit
c31c607ad3
2 changed files with 296 additions and 279 deletions
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@ -32,6 +32,8 @@ using namespace std;
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#include <srs_kernel_error.hpp>
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#include <srs_kernel_stream.hpp>
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using namespace _srs_internal;
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// AMF0 marker
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#define RTMP_AMF0_Number 0x00
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#define RTMP_AMF0_Boolean 0x01
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@ -58,164 +60,6 @@ using namespace std;
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// User defined
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#define RTMP_AMF0_Invalid 0x3F
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/**
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* read amf0 string from stream.
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* 2.4 String Type
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* string-type = string-marker UTF-8
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* @return default value is empty string.
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* @remark: use SrsAmf0Any::str() to create it.
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*/
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class __SrsAmf0String : public SrsAmf0Any
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{
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public:
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std::string value;
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__SrsAmf0String(const char* _value);
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virtual ~__SrsAmf0String();
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virtual int total_size();
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virtual int read(SrsStream* stream);
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virtual int write(SrsStream* stream);
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virtual SrsAmf0Any* copy();
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};
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/**
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* read amf0 boolean from stream.
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* 2.4 String Type
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* boolean-type = boolean-marker U8
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* 0 is false, <> 0 is true
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* @return default value is false.
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*/
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class __SrsAmf0Boolean : public SrsAmf0Any
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{
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public:
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bool value;
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__SrsAmf0Boolean(bool _value);
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virtual ~__SrsAmf0Boolean();
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virtual int total_size();
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virtual int read(SrsStream* stream);
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virtual int write(SrsStream* stream);
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virtual SrsAmf0Any* copy();
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};
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/**
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* read amf0 number from stream.
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* 2.2 Number Type
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* number-type = number-marker DOUBLE
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* @return default value is 0.
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*/
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class __SrsAmf0Number : public SrsAmf0Any
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{
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public:
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double value;
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__SrsAmf0Number(double _value);
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virtual ~__SrsAmf0Number();
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virtual int total_size();
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virtual int read(SrsStream* stream);
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virtual int write(SrsStream* stream);
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virtual SrsAmf0Any* copy();
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};
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/**
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* read amf0 null from stream.
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* 2.7 null Type
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* null-type = null-marker
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*/
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class __SrsAmf0Null : public SrsAmf0Any
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{
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public:
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__SrsAmf0Null();
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virtual ~__SrsAmf0Null();
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virtual int total_size();
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virtual int read(SrsStream* stream);
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virtual int write(SrsStream* stream);
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virtual SrsAmf0Any* copy();
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};
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/**
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* read amf0 undefined from stream.
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* 2.8 undefined Type
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* undefined-type = undefined-marker
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*/
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class __SrsAmf0Undefined : public SrsAmf0Any
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{
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public:
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__SrsAmf0Undefined();
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virtual ~__SrsAmf0Undefined();
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virtual int total_size();
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virtual int read(SrsStream* stream);
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virtual int write(SrsStream* stream);
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virtual SrsAmf0Any* copy();
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};
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/**
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* to ensure in inserted order.
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* for the FMLE will crash when AMF0Object is not ordered by inserted,
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* if ordered in map, the string compare order, the FMLE will creash when
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* get the response of connect app.
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*/
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class __SrsUnSortedHashtable
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{
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private:
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typedef std::pair<std::string, SrsAmf0Any*> SrsAmf0ObjectPropertyType;
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std::vector<SrsAmf0ObjectPropertyType> properties;
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public:
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__SrsUnSortedHashtable();
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virtual ~__SrsUnSortedHashtable();
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virtual int count();
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virtual void clear();
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virtual std::string key_at(int index);
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virtual const char* key_raw_at(int index);
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virtual SrsAmf0Any* value_at(int index);
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virtual void set(std::string key, SrsAmf0Any* value);
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virtual SrsAmf0Any* get_property(std::string name);
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virtual SrsAmf0Any* ensure_property_string(std::string name);
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virtual SrsAmf0Any* ensure_property_number(std::string name);
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virtual void copy(__SrsUnSortedHashtable* src);
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};
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/**
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* 2.11 Object End Type
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* object-end-type = UTF-8-empty object-end-marker
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* 0x00 0x00 0x09
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*/
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class __SrsAmf0ObjectEOF : public SrsAmf0Any
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{
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public:
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int16_t utf8_empty;
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__SrsAmf0ObjectEOF();
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virtual ~__SrsAmf0ObjectEOF();
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virtual int total_size();
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virtual int read(SrsStream* stream);
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virtual int write(SrsStream* stream);
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virtual SrsAmf0Any* copy();
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};
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/**
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* read amf0 utf8 string from stream.
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* 1.3.1 Strings and UTF-8
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* UTF-8 = U16 *(UTF8-char)
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* UTF8-char = UTF8-1 | UTF8-2 | UTF8-3 | UTF8-4
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* UTF8-1 = %x00-7F
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* @remark only support UTF8-1 char.
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*/
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extern int srs_amf0_read_utf8(SrsStream* stream, std::string& value);
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extern int srs_amf0_write_utf8(SrsStream* stream, std::string value);
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bool srs_amf0_is_object_eof(SrsStream* stream);
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int srs_amf0_write_any(SrsStream* stream, SrsAmf0Any* value);
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SrsAmf0Any::SrsAmf0Any()
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{
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marker = RTMP_AMF0_Invalid;
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@ -804,7 +648,7 @@ int SrsAmf0Object::read(SrsStream* stream)
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// property-name: utf8 string
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std::string property_name;
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if ((ret =srs_amf0_read_utf8(stream, property_name)) != ERROR_SUCCESS) {
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if ((ret = srs_amf0_read_utf8(stream, property_name)) != ERROR_SUCCESS) {
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srs_error("amf0 object read property name failed. ret=%d", ret);
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return ret;
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}
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@ -1517,88 +1361,6 @@ int srs_amf0_read_any(SrsStream* stream, SrsAmf0Any** ppvalue)
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return ret;
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}
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int srs_amf0_write_any(SrsStream* stream, SrsAmf0Any* value)
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{
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srs_assert(value != NULL);
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return value->write(stream);
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}
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int srs_amf0_read_utf8(SrsStream* stream, string& value)
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{
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int ret = ERROR_SUCCESS;
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// len
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if (!stream->require(2)) {
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ret = ERROR_RTMP_AMF0_DECODE;
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srs_error("amf0 read string length failed. ret=%d", ret);
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return ret;
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}
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int16_t len = stream->read_2bytes();
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srs_verbose("amf0 read string length success. len=%d", len);
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// empty string
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if (len <= 0) {
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srs_verbose("amf0 read empty string. ret=%d", ret);
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return ret;
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}
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// data
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if (!stream->require(len)) {
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ret = ERROR_RTMP_AMF0_DECODE;
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srs_error("amf0 read string data failed. ret=%d", ret);
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return ret;
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}
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std::string str = stream->read_string(len);
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// support utf8-1 only
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// 1.3.1 Strings and UTF-8
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// UTF8-1 = %x00-7F
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// TODO: support other utf-8 strings
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/*for (int i = 0; i < len; i++) {
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char ch = *(str.data() + i);
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if ((ch & 0x80) != 0) {
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ret = ERROR_RTMP_AMF0_DECODE;
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srs_error("ignored. only support utf8-1, 0x00-0x7F, actual is %#x. ret=%d", (int)ch, ret);
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ret = ERROR_SUCCESS;
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}
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}*/
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value = str;
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srs_verbose("amf0 read string data success. str=%s", str.c_str());
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return ret;
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}
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int srs_amf0_write_utf8(SrsStream* stream, string value)
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{
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int ret = ERROR_SUCCESS;
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// len
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if (!stream->require(2)) {
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ret = ERROR_RTMP_AMF0_ENCODE;
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srs_error("amf0 write string length failed. ret=%d", ret);
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return ret;
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}
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stream->write_2bytes(value.length());
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srs_verbose("amf0 write string length success. len=%d", (int)value.length());
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// empty string
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if (value.length() <= 0) {
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srs_verbose("amf0 write empty string. ret=%d", ret);
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return ret;
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}
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// data
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if (!stream->require(value.length())) {
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ret = ERROR_RTMP_AMF0_ENCODE;
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srs_error("amf0 write string data failed. ret=%d", ret);
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return ret;
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}
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stream->write_string(value);
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srs_verbose("amf0 write string data success. str=%s", value.c_str());
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return ret;
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}
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int srs_amf0_read_string(SrsStream* stream, string& value)
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{
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int ret = ERROR_SUCCESS;
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@ -1849,44 +1611,130 @@ int srs_amf0_write_undefined(SrsStream* stream)
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return ret;
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}
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bool srs_amf0_is_object_eof(SrsStream* stream)
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{
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// detect the object-eof specially
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if (stream->require(3)) {
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int32_t flag = stream->read_3bytes();
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stream->skip(-3);
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return 0x09 == flag;
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}
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return false;
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}
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int srs_amf0_write_object_eof(SrsStream* stream, __SrsAmf0ObjectEOF* value)
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namespace _srs_internal
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{
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int ret = ERROR_SUCCESS;
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srs_assert(value != NULL);
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// value
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if (!stream->require(2)) {
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ret = ERROR_RTMP_AMF0_ENCODE;
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srs_error("amf0 write object eof value failed. ret=%d", ret);
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int srs_amf0_read_utf8(SrsStream* stream, string& value)
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{
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int ret = ERROR_SUCCESS;
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// len
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if (!stream->require(2)) {
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ret = ERROR_RTMP_AMF0_DECODE;
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srs_error("amf0 read string length failed. ret=%d", ret);
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return ret;
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}
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int16_t len = stream->read_2bytes();
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srs_verbose("amf0 read string length success. len=%d", len);
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// empty string
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if (len <= 0) {
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srs_verbose("amf0 read empty string. ret=%d", ret);
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return ret;
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}
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// data
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if (!stream->require(len)) {
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ret = ERROR_RTMP_AMF0_DECODE;
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srs_error("amf0 read string data failed. ret=%d", ret);
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return ret;
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}
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std::string str = stream->read_string(len);
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// support utf8-1 only
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// 1.3.1 Strings and UTF-8
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// UTF8-1 = %x00-7F
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// TODO: support other utf-8 strings
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/*for (int i = 0; i < len; i++) {
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char ch = *(str.data() + i);
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if ((ch & 0x80) != 0) {
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ret = ERROR_RTMP_AMF0_DECODE;
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srs_error("ignored. only support utf8-1, 0x00-0x7F, actual is %#x. ret=%d", (int)ch, ret);
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ret = ERROR_SUCCESS;
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}
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}*/
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value = str;
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srs_verbose("amf0 read string data success. str=%s", str.c_str());
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return ret;
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}
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stream->write_2bytes(0x00);
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srs_verbose("amf0 write object eof value success");
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// marker
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if (!stream->require(1)) {
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ret = ERROR_RTMP_AMF0_ENCODE;
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srs_error("amf0 write object eof marker failed. ret=%d", ret);
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int srs_amf0_write_utf8(SrsStream* stream, string value)
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{
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int ret = ERROR_SUCCESS;
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// len
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if (!stream->require(2)) {
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ret = ERROR_RTMP_AMF0_ENCODE;
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srs_error("amf0 write string length failed. ret=%d", ret);
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return ret;
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}
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stream->write_2bytes(value.length());
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srs_verbose("amf0 write string length success. len=%d", (int)value.length());
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// empty string
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if (value.length() <= 0) {
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srs_verbose("amf0 write empty string. ret=%d", ret);
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return ret;
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}
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// data
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if (!stream->require(value.length())) {
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ret = ERROR_RTMP_AMF0_ENCODE;
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srs_error("amf0 write string data failed. ret=%d", ret);
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return ret;
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}
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stream->write_string(value);
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srs_verbose("amf0 write string data success. str=%s", value.c_str());
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return ret;
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}
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stream->write_1bytes(RTMP_AMF0_ObjectEnd);
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bool srs_amf0_is_object_eof(SrsStream* stream)
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{
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// detect the object-eof specially
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if (stream->require(3)) {
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int32_t flag = stream->read_3bytes();
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stream->skip(-3);
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return 0x09 == flag;
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}
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return false;
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}
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srs_verbose("amf0 read object eof success");
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return ret;
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int srs_amf0_write_object_eof(SrsStream* stream, __SrsAmf0ObjectEOF* value)
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{
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int ret = ERROR_SUCCESS;
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srs_assert(value != NULL);
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// value
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if (!stream->require(2)) {
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ret = ERROR_RTMP_AMF0_ENCODE;
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srs_error("amf0 write object eof value failed. ret=%d", ret);
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return ret;
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}
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stream->write_2bytes(0x00);
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srs_verbose("amf0 write object eof value success");
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// marker
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if (!stream->require(1)) {
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ret = ERROR_RTMP_AMF0_ENCODE;
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srs_error("amf0 write object eof marker failed. ret=%d", ret);
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return ret;
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}
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stream->write_1bytes(RTMP_AMF0_ObjectEnd);
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srs_verbose("amf0 read object eof success");
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return ret;
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}
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int srs_amf0_write_any(SrsStream* stream, SrsAmf0Any* value)
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{
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srs_assert(value != NULL);
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return value->write(stream);
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}
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}
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@ -37,8 +37,13 @@ class SrsStream;
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class SrsAmf0Object;
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class SrsAmf0EcmaArray;
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class SrsAmf0StrictArray;
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class __SrsUnSortedHashtable;
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class __SrsAmf0ObjectEOF;
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// internal objects, user should never use it.
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namespace _srs_internal
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{
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class __SrsUnSortedHashtable;
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class __SrsAmf0ObjectEOF;
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}
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/*
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////////////////////////////////////////////////////////////////////////
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@ -312,8 +317,8 @@ public:
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class SrsAmf0Object : public SrsAmf0Any
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{
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private:
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__SrsUnSortedHashtable* properties;
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__SrsAmf0ObjectEOF* eof;
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_srs_internal::__SrsUnSortedHashtable* properties;
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_srs_internal::__SrsAmf0ObjectEOF* eof;
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private:
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friend class SrsAmf0Any;
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/**
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@ -394,8 +399,8 @@ public:
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class SrsAmf0EcmaArray : public SrsAmf0Any
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{
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private:
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__SrsUnSortedHashtable* properties;
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__SrsAmf0ObjectEOF* eof;
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_srs_internal::__SrsUnSortedHashtable* properties;
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_srs_internal::__SrsAmf0ObjectEOF* eof;
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int32_t _count;
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private:
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friend class SrsAmf0Any;
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@ -585,4 +590,168 @@ extern int srs_amf0_write_null(SrsStream* stream);
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extern int srs_amf0_read_undefined(SrsStream* stream);
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extern int srs_amf0_write_undefined(SrsStream* stream);
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// internal objects, user should never use it.
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namespace _srs_internal
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{
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/**
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* read amf0 string from stream.
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* 2.4 String Type
|
||||
* string-type = string-marker UTF-8
|
||||
* @return default value is empty string.
|
||||
* @remark: use SrsAmf0Any::str() to create it.
|
||||
*/
|
||||
class __SrsAmf0String : public SrsAmf0Any
|
||||
{
|
||||
public:
|
||||
std::string value;
|
||||
public:
|
||||
__SrsAmf0String(const char* _value);
|
||||
virtual ~__SrsAmf0String();
|
||||
public:
|
||||
virtual int total_size();
|
||||
virtual int read(SrsStream* stream);
|
||||
virtual int write(SrsStream* stream);
|
||||
virtual SrsAmf0Any* copy();
|
||||
};
|
||||
|
||||
/**
|
||||
* read amf0 boolean from stream.
|
||||
* 2.4 String Type
|
||||
* boolean-type = boolean-marker U8
|
||||
* 0 is false, <> 0 is true
|
||||
* @return default value is false.
|
||||
*/
|
||||
class __SrsAmf0Boolean : public SrsAmf0Any
|
||||
{
|
||||
public:
|
||||
bool value;
|
||||
public:
|
||||
__SrsAmf0Boolean(bool _value);
|
||||
virtual ~__SrsAmf0Boolean();
|
||||
public:
|
||||
virtual int total_size();
|
||||
virtual int read(SrsStream* stream);
|
||||
virtual int write(SrsStream* stream);
|
||||
virtual SrsAmf0Any* copy();
|
||||
};
|
||||
|
||||
/**
|
||||
* read amf0 number from stream.
|
||||
* 2.2 Number Type
|
||||
* number-type = number-marker DOUBLE
|
||||
* @return default value is 0.
|
||||
*/
|
||||
class __SrsAmf0Number : public SrsAmf0Any
|
||||
{
|
||||
public:
|
||||
double value;
|
||||
public:
|
||||
__SrsAmf0Number(double _value);
|
||||
virtual ~__SrsAmf0Number();
|
||||
public:
|
||||
virtual int total_size();
|
||||
virtual int read(SrsStream* stream);
|
||||
virtual int write(SrsStream* stream);
|
||||
virtual SrsAmf0Any* copy();
|
||||
};
|
||||
|
||||
/**
|
||||
* read amf0 null from stream.
|
||||
* 2.7 null Type
|
||||
* null-type = null-marker
|
||||
*/
|
||||
class __SrsAmf0Null : public SrsAmf0Any
|
||||
{
|
||||
public:
|
||||
__SrsAmf0Null();
|
||||
virtual ~__SrsAmf0Null();
|
||||
public:
|
||||
virtual int total_size();
|
||||
virtual int read(SrsStream* stream);
|
||||
virtual int write(SrsStream* stream);
|
||||
virtual SrsAmf0Any* copy();
|
||||
};
|
||||
|
||||
/**
|
||||
* read amf0 undefined from stream.
|
||||
* 2.8 undefined Type
|
||||
* undefined-type = undefined-marker
|
||||
*/
|
||||
class __SrsAmf0Undefined : public SrsAmf0Any
|
||||
{
|
||||
public:
|
||||
__SrsAmf0Undefined();
|
||||
virtual ~__SrsAmf0Undefined();
|
||||
public:
|
||||
virtual int total_size();
|
||||
virtual int read(SrsStream* stream);
|
||||
virtual int write(SrsStream* stream);
|
||||
virtual SrsAmf0Any* copy();
|
||||
};
|
||||
|
||||
/**
|
||||
* to ensure in inserted order.
|
||||
* for the FMLE will crash when AMF0Object is not ordered by inserted,
|
||||
* if ordered in map, the string compare order, the FMLE will creash when
|
||||
* get the response of connect app.
|
||||
*/
|
||||
class __SrsUnSortedHashtable
|
||||
{
|
||||
private:
|
||||
typedef std::pair<std::string, SrsAmf0Any*> SrsAmf0ObjectPropertyType;
|
||||
std::vector<SrsAmf0ObjectPropertyType> properties;
|
||||
public:
|
||||
__SrsUnSortedHashtable();
|
||||
virtual ~__SrsUnSortedHashtable();
|
||||
public:
|
||||
virtual int count();
|
||||
virtual void clear();
|
||||
virtual std::string key_at(int index);
|
||||
virtual const char* key_raw_at(int index);
|
||||
virtual SrsAmf0Any* value_at(int index);
|
||||
virtual void set(std::string key, SrsAmf0Any* value);
|
||||
public:
|
||||
virtual SrsAmf0Any* get_property(std::string name);
|
||||
virtual SrsAmf0Any* ensure_property_string(std::string name);
|
||||
virtual SrsAmf0Any* ensure_property_number(std::string name);
|
||||
public:
|
||||
virtual void copy(__SrsUnSortedHashtable* src);
|
||||
};
|
||||
|
||||
/**
|
||||
* 2.11 Object End Type
|
||||
* object-end-type = UTF-8-empty object-end-marker
|
||||
* 0x00 0x00 0x09
|
||||
*/
|
||||
class __SrsAmf0ObjectEOF : public SrsAmf0Any
|
||||
{
|
||||
public:
|
||||
int16_t utf8_empty;
|
||||
|
||||
__SrsAmf0ObjectEOF();
|
||||
virtual ~__SrsAmf0ObjectEOF();
|
||||
|
||||
virtual int total_size();
|
||||
virtual int read(SrsStream* stream);
|
||||
virtual int write(SrsStream* stream);
|
||||
virtual SrsAmf0Any* copy();
|
||||
};
|
||||
|
||||
/**
|
||||
* read amf0 utf8 string from stream.
|
||||
* 1.3.1 Strings and UTF-8
|
||||
* UTF-8 = U16 *(UTF8-char)
|
||||
* UTF8-char = UTF8-1 | UTF8-2 | UTF8-3 | UTF8-4
|
||||
* UTF8-1 = %x00-7F
|
||||
* @remark only support UTF8-1 char.
|
||||
*/
|
||||
extern int srs_amf0_read_utf8(SrsStream* stream, std::string& value);
|
||||
extern int srs_amf0_write_utf8(SrsStream* stream, std::string value);
|
||||
|
||||
extern bool srs_amf0_is_object_eof(SrsStream* stream);
|
||||
extern int srs_amf0_write_object_eof(SrsStream* stream, __SrsAmf0ObjectEOF* value);
|
||||
|
||||
extern int srs_amf0_write_any(SrsStream* stream, SrsAmf0Any* value);
|
||||
};
|
||||
|
||||
#endif
|
||||
Loading…
Add table
Add a link
Reference in a new issue