external/srs
1
0
Fork 0
mirror of https://github.com/ossrs/srs.git synced 2025-03-09 15:49:59 +00:00
Code Issues Releases Wiki Activity

refine kernel buffer. complete the utest for buffer.

Browse source
This commit is contained in:
winlin 2014-06-07 22:23:17 +08:00
parent 8992e217a9
commit 94cf0c1069
15 changed files with 218 additions and 37 deletions
Download patch file Download diff file Expand all files Collapse all files

21
trunk/src/kernel/srs_kernel_buffer.hpp
View file

@ -42,15 +42,14 @@ public:
virtual ~ISrsBufferReader();
// for protocol/amf0/msg-codec
public:
virtual int read(const void* buf, size_t size, ssize_t* nread) = 0;
virtual int read(void* buf, size_t size, ssize_t* nread) = 0;
};
/**
* the buffer provices bytes cache for protocol. generally,
* protocol recv data from socket, put into buffer, decode to RTMP message.
* protocol encode RTMP message to bytes, put into buffer, send to socket.
*/
class SrsBuffer
class SrsBuffer
{
private:
std::vector<char> data;
@ -59,8 +58,8 @@ public:
virtual ~SrsBuffer();
public:
/**
* get the length of buffer.
* never negative, empty if zero.
* get the length of buffer. empty if zero.
* @remark assert length() is not negative.
*/
virtual int length();
/**
@ -70,20 +69,24 @@ public:
virtual char* bytes();
/**
* erase size of bytes from begin.
* if size equals to length(), clear buffer.
* @param size
* @param size to erase size of bytes.
* clear if size greater than or equals to length()
* @remark assert size is positive.
*/
virtual void erase(int size);
/**
* append specified bytes to buffer.
* @param size the size of bytes, assert positive.
* @param size the size of bytes
* @remark assert size is positive.
*/
virtual void append(const char* bytes, int size);
public:
/**
* grow buffer to the required size, loop to read from skt to fill.
* @param reader, read more bytes from reader to fill the buffer to required size.
* @param required_size, loop to fill to ensure buffer size to required.
* @param required_size, loop to fill to ensure buffer size to required.
* @return an int error code, error if required_size negative.
* @remark, we actually maybe read more than required_size, maybe 4k for example.
*/
virtual int grow(ISrsBufferReader* reader, int required_size);
};