WIP fixes to HLS input

This commit is contained in:
Thulinma 2024-05-01 10:11:20 +02:00
parent 4dfb261283
commit e4a2da45d3
4 changed files with 227 additions and 249 deletions

View file

@ -288,19 +288,23 @@ namespace HTTP{
}
void URIReader::readAll(size_t (*dataCallback)(const char *data, size_t len)){
while (!isEOF()){readSome(dataCallback, 419430);}
while (!isEOF()){
if (!readSome(dataCallback, 419430)){Util::sleep(50);}
}
}
/// Read all function, with use of callbacks
void URIReader::readAll(Util::DataCallback &cb){
while (!isEOF()){readSome(1048576, cb);}
while (!isEOF()){
if (!readSome(1048576, cb)){Util::sleep(50);}
}
}
/// Read all blocking function, which internally uses the Nonblocking function.
void URIReader::readAll(char *&dataPtr, size_t &dataLen){
if (getSize() != std::string::npos){allData.allocate(getSize());}
while (!isEOF()){
readSome(10046, *this);
if (!readSome(10046, *this)){Util::sleep(50);}
bufPos = allData.size();
}
dataPtr = allData;
@ -309,27 +313,29 @@ namespace HTTP{
void httpBodyCallback(const char *ptr, size_t size){INFO_MSG("callback");}
void URIReader::readSome(size_t (*dataCallback)(const char *data, size_t len), size_t wantedLen){
size_t URIReader::readSome(size_t (*dataCallback)(const char *data, size_t len), size_t wantedLen){
/// TODO: Implement
return 0;
}
// readsome with callback
void URIReader::readSome(size_t wantedLen, Util::DataCallback &cb){
if (isEOF()){return;}
size_t URIReader::readSome(size_t wantedLen, Util::DataCallback &cb){
if (isEOF()){return 0;}
// Files read from the memory-mapped file
if (stateType == HTTP::File){
// Simple bounds check, don't read beyond the end of the file
uint64_t dataLen = ((wantedLen + curPos) > totalSize) ? totalSize - curPos : wantedLen;
cb.dataCallback(mapped + curPos, dataLen);
curPos += dataLen;
return;
return dataLen;
}
// HTTP-based read from the Downloader
if (stateType == HTTP::HTTP){
// Note: this function returns true if the full read was completed only.
// It's the reason this function returns void rather than bool.
size_t prev = cb.getDataCallbackPos();
downer.continueNonBlocking(cb);
return;
return cb.getDataCallbackPos() - prev;
}
// Everything else uses the socket directly
int s = downer.getSocket().Received().bytes(wantedLen);
@ -339,7 +345,7 @@ namespace HTTP{
s = downer.getSocket().Received().bytes(wantedLen);
}else{
Util::sleep(50);
return;
return s;
}
}
// Future optimization: augment the Socket::Buffer to handle a Util::DataCallback as argument.
@ -347,10 +353,11 @@ namespace HTTP{
Util::ResizeablePointer buf;
downer.getSocket().Received().remove(buf, s);
cb.dataCallback(buf, s);
return s;
}
/// Readsome blocking function.
void URIReader::readSome(char *&dataPtr, size_t &dataLen, size_t wantedLen){
size_t URIReader::readSome(char *&dataPtr, size_t &dataLen, size_t wantedLen){
// Clear the buffer if we're finished with it
if (allData.size() && bufPos == allData.size()){
allData.truncate(0);
@ -365,12 +372,13 @@ namespace HTTP{
dataPtr = allData + bufPos;
dataLen = wantedLen;
bufPos += wantedLen;
return;
return wantedLen;
}
// Ok, we have a short count. Return the amount we actually got.
dataPtr = allData + bufPos;
dataLen = allData.size() - bufPos;
bufPos = allData.size();
return dataLen;
}
void URIReader::close(){

View file

@ -1,7 +1,6 @@
#pragma once
#include "downloader.h"
#include "util.h"
#include <fstream>
namespace HTTP{
enum URIType{Closed = 0, File, Stream, HTTP};
@ -37,11 +36,11 @@ namespace HTTP{
void readAll(Util::DataCallback &cb);
/// Reads wantedLen bytes of data from current position, calling the dataCallback whenever minLen/maxLen require it.
void readSome(size_t (*dataCallback)(const char *data, size_t len), size_t wantedLen);
size_t readSome(size_t (*dataCallback)(const char *data, size_t len), size_t wantedLen);
/// Reads wantedLen bytes of data from current position, returning it in a single buffer.
void readSome(char *&dataPtr, size_t &dataLen, size_t wantedLen);
size_t readSome(char *&dataPtr, size_t &dataLen, size_t wantedLen);
void readSome(size_t wantedLen, Util::DataCallback &cb);
size_t readSome(size_t wantedLen, Util::DataCallback &cb);
/// Closes the currently open URI. Does not change the internal URI value.
void close();