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116 lines
4 KiB
C++
116 lines
4 KiB
C++
#pragma once
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#ifndef uvox2Common_H_
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#define uvox2Common_H_
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#include "unicode/uniString.h"
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std::string XTEA_encipher(const __uint8* c_data, const size_t c_data_cnt, const __uint8* c_key, const size_t c_key_cnt) throw();
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uniString::utf8 XTEA_decipher(const __uint8* c_data, const size_t c_data_cnt, const __uint8* c_key, const size_t c_key_cnt) throw();
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#pragma pack(push,1)
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struct uv2xHdr
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{ // uvox2 message
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__uint8 sync;
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__uint8 qos;
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__uint16 msgType;
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__uint16 msgLen;
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};
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struct uv2xMetadataHdr
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{ /* uvox 2 metadata header */
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__uint16 id; /* ID (cookie) identifying a metadata package */
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__uint16 span; /* Span of messages in the metadata package being assembled */
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__uint16 index;/* Index of the message in the metadata package being assembled */
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};
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#pragma pack(pop)
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static const int MAX_MESSAGE_SIZE = (16 * 1024);
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static const int MAX_CIPHER_KEY_SIZE = 256;
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static const char UV2X_EOM = 0;
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static const int UV2X_HDR_SIZE = sizeof(uv2xHdr);
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static const int UV2X_OVERHEAD = (UV2X_HDR_SIZE + 1); /* header+end_of_msg */
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static const int UV2X_META_HDR_SIZE = sizeof(uv2xMetadataHdr);
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static const int MAX_PAYLOAD_SIZE = MAX_MESSAGE_SIZE - UV2X_OVERHEAD;
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#define UVOX2_SYNC_BYTE 0X5A
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static const int MSG_AUTH = 0x1001;
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static const int MSG_BROADCAST_SETUP = 0x1002;
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static const int MSG_NEGOTIATE_BUFFER_SIZE = 0x1003;
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static const int MSG_STANDBY = 0x1004;
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static const int MSG_TERMINATE = 0x1005;
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static const int MSG_FLUSH_CACHED_METADATA = 0x1006;
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static const int MSG_LISTENER_AUTHENTICATION= 0x1007;
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static const int MSG_MAX_PAYLOAD_SIZE = 0x1008;
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static const int MSG_CIPHER = 0x1009; // cipher request for uvox 2.1
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static const int MSG_MIME_TYPE = 0x1040;
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static const int MSG_FILE_TRANSFER_BEGIN = 0x1050;
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static const int MSG_FILE_TRANSFER_DATA = 0x1051;
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static const int MSG_BROADCAST_INTERRUPTION = 0x2001;
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static const int MSG_BROADCAST_TERMINATE = 0x2002;
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static const int MSG_ICYNAME = 0x1100;
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static const int MSG_ICYGENRE = 0x1101;
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static const int MSG_ICYURL = 0x1102;
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static const int MSG_ICYPUB = 0x1103;
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static const int MSG_METADATA_CONTENTINFO = 0x3000;
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static const int MSG_METADATA_URL = 0x3001;
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//static const int MSG_METADATA_XML = 0x3901;
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static const int MSG_METADATA_XML_NEW = 0x3902;
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// only id the start of the album art type as it's variable
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static const int MSG_METADATA_ALBUMART = 0x4000;
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static const int MSG_METADATA_STATION_ART = 0x0000;
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static const int MSG_METADATA_PLAYING_ART = 0x0100;
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/*
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0x4 0x0xx Station logo
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0x4 0x1xx Album art
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00 = image/jpeg
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01 = image/png
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02 = image/bmp
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03 = image/gif
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*/
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static const int MSG_METADATA_TIMEREMAINING = 0x5001;
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static const int MP3_DATA = 0x7000;
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static const int VLB_DATA = 0x8000;
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static const int AAC_LC_DATA = 0x8001;
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static const int AACP_DATA = 0x8003;
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static const int OGG_DATA = 0x8004;
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/// these are the same
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static const int MAX_METADATA_SEGMENTS = 32;
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#define MAX_METADATA_FRAGMENTS 32
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///////
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static const int MAX_METADATA_TIME(300); // five minutes
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// take data and create a uvox message appended to "v". Limit by MAX_PAYLOAD_SIZE.
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// return amount of data UNconsumed
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int formMessage(const __uint8 *data, const int len, const int type, std::vector<__uint8> &v) throw(std::runtime_error);
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// similar to above, except it writes data into a buffer pointed to by v
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int formMessage(const __uint8 *data, const int len, const int type, __uint8 *v) throw(std::runtime_error);
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// this one also returns actual full message size in msgSize
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inline int formMessage(const std::string &dataIn, const int type, __uint8 *v, int &msgSize) throw(std::runtime_error)
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{
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msgSize = (int)(dataIn.size() + 1); // include null
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int amt_left = formMessage((const __uint8 *)dataIn.c_str(), msgSize /* include null */, type, v);
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msgSize += UV2X_OVERHEAD;
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return amt_left;
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}
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// load vector v up with metadata packets.
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void createMetadataPackets(const __uint8 *data, const int len, const int type,
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std::vector<__uint8> &v, const __uint16 metadataID = 1) throw(std::runtime_error);
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#endif
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