86 lines
2.5 KiB
C
86 lines
2.5 KiB
C
#pragma once
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#if __cplusplus
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extern "C" {
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#endif
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#include "../base/base.h"
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#include "knSocket.h"
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#define KNPAC_MAX_DATA_SIZE (65535-sizeof(knPackage)+sizeof(uint8*))
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typedef enum __attribute__((__packed__)) knPacVersion {
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knPac_V1
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} knPacVersion;
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ktid_declare(knPacVersion);
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static const char knPacHeader[5]={'k','n','p','a','c'};
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typedef struct knPackage {
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char header[5]; // knpac
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knPacVersion version; // protocol version
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uint16 data_size; // size of data block in bytes (1-KNPAC_MAX_DATA_SIZE)
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uint32 channel_id; // id of knChannel in socket
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uint32 package_num; // number in sequence of sent packages
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uint64 data_hash; // hash64 of data
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uint8* data; // ptr to data
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} knPackage;
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ktid_declare(knPackage);
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typedef struct knPackageQueueElem knPackageQueueElem;
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struct knPackageQueueElem {
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knPackage package;
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knPackageQueueElem* previousElem;
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knPackageQueueElem* nextElem;
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};
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ktid_declare(knPackageQueueElem);
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typedef struct knChannel {
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knPackageQueueElem* queueStart;
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} knChannel;
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ktid_declare(knChannel);
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typedef struct knSocketChanneled{
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knSocketProtocol type;
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int64 socketfd;
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knIPV4Endpoint localEndpoint;
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knIPV4Endpoint remoteEndpoint;
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uint16 channelsAmount;
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knChannel** channels;
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} knSocketChanneled;
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ktid_declare(knSocketChanneled);
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///@return Maybe<knSocketChanneled*> new socket
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Maybe knSocketChanneled_open(knSocketProtocol sockType);
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///@return Maybe<void> error or nothing
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Maybe knSocketChanneled_close(knSocketChanneled* socket);
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///@return Maybe<uint64> channel index
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Maybe knSocketChanneled_createChannel(knSocketChanneled* socket);
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///sets socket local endpoint
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///@return Maybe<void> error or nothing
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Maybe knSocketChanneled_bind(knSocketChanneled* socket, knIPV4Endpoint localEndp);
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///sets socket remote endpoint
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///@return Maybe<void> error or nothing
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Maybe knSocketChanneled_connect(knSocketChanneled* socket, knIPV4Endpoint remoteEndp);
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///@return Maybe<knSocketChanneled*> new socket connected to client
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Maybe knSocketChanneled_accept(knSocketChanneled* socket);
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///@param dataLength 0-4294967295
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///@return Maybe<void>
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Maybe knSocketChanneled_send(knSocketChanneled* socket, uint16 destinationIndex, uint8* data, uint32 dataLength);
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///@param buffer buffer for recieving data
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///@param bufferLength 0-4294967295
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///@return Maybe<uint64> recieved bytes amount
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Maybe knSocketChanneled_recieve(knSocketChanneled* socket, uint16 destinationIndex, uint8* buffer, uint32 bufferLength);
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#if __cplusplus
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}
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#endif |