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ESP32 compatiblity: AsyncUDPPacket inherit from Stream #54

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ESP32 compatiblity: AsyncUDPPacket inherit from Stream #54

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35 changes: 35 additions & 0 deletions src/AsyncUDP.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -78,6 +78,7 @@ AsyncUDPPacket::AsyncUDPPacket(AsyncUDP *udp, ip_addr_t *localIp, uint16_t local
_remotePort = remotePort;
_data = data;
_len = len;
_index = 0;
}

AsyncUDPPacket::~AsyncUDPPacket()
Expand All @@ -95,6 +96,40 @@ size_t AsyncUDPPacket::length()
return _len;
}

int AsyncUDPPacket::available(){
return _len - _index;
}

int AsyncUDPPacket::read(uint8_t *data, size_t len){
size_t i;
size_t a = _len - _index;
if(len > a){
len = a;
}
for(i=0;i<len;i++){
data[i] = read();
}
return len;
}

int AsyncUDPPacket::read(){
if(_index < _len){
return _data[_index++];
}
return -1;
}

int AsyncUDPPacket::peek(){
if(_index < _len){
return _data[_index];
}
return -1;
}

void AsyncUDPPacket::flush(){
_index = _len;
}

IPAddress AsyncUDPPacket::localIP()
{
return IPAddress(_localIp->addr);
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9 changes: 8 additions & 1 deletion src/ESPAsyncUDP.h
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Original file line number Diff line number Diff line change
Expand Up @@ -40,7 +40,7 @@ class AsyncUDPMessage : public Print
}
};

class AsyncUDPPacket : public Print
class AsyncUDPPacket : public Stream
{
protected:
AsyncUDP *_udp;
Expand All @@ -50,6 +50,7 @@ class AsyncUDPPacket : public Print
uint16_t _remotePort;
uint8_t *_data;
size_t _len;
size_t _index;
public:
AsyncUDPPacket(AsyncUDP *udp, ip_addr_t *localIp, uint16_t localPort, ip_addr_t *remoteIp, uint16_t remotePort, uint8_t *data, size_t len);
virtual ~AsyncUDPPacket();
Expand All @@ -66,6 +67,12 @@ class AsyncUDPPacket : public Print

size_t send(AsyncUDPMessage &message);

int available();
int read(uint8_t *data, size_t len);
int read();
int peek();
void flush();

size_t write(const uint8_t *data, size_t len);
size_t write(uint8_t data);
};
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