77 lines
2.3 KiB
C
77 lines
2.3 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 "../network_types.h"
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#define KNPAC_MAX_DATA_SIZE (65535-sizeof(knPackage)+sizeof(u8*))
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typedef enum __attribute__((__packed__)) knPacVersion {
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knPac_V1=1
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} knPacVersion;
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static const char knPacHeader[5]={'k','n','p','a','c'};
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STRUCT(knPackage,
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char header[5]; /* knpac */
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knPacVersion version; /* protocol version */
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u16 data_size; /* size of data block in bytes (1-KNPAC_MAX_DATA_SIZE) */
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u32 channel_id; /* id of knChannel in socket */
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u32 package_num; /* number in sequence of sent packages */
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u64 data_hash; /* hash64 of data */
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u8* data; /* ptr to data */
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)
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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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STRUCT(knChannel,
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knPackageQueueElem* queueStart;
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)
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STRUCT(knSocketChanneled,
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i64 socketfd;
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knIPV4Endpoint localEndpoint;
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knIPV4Endpoint remoteEndpoint;
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u16 channelsAmount;
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knChannel** channels;
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)
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///@return Maybe<knSocketChanneled*> new socket
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Maybe knSocketChanneled_open();
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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<u64> channel index
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Maybe knSocketChanneled_createChannel(knSocketChanneled* socket);
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///start listening at local endpoint
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///@return Maybe<void> error or nothing
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Maybe knSocketChanneled_listen(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, u16 destinationIndex, u8* data, u32 dataLength);
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///@param buffer buffer for receiving data
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///@param bufferLength 0-4294967295
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///@return Maybe<u64> received bytes amount
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Maybe knSocketChanneled_receive(knSocketChanneled* socket, u16 destinationIndex, u8* buffer, u32 bufferLength);
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#if __cplusplus
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}
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#endif |