Digital data transferring utility (PROJECT ABANDONED. CAN SEND ONLY TEXT)
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--- DDTU PROTOCOL v1 ---
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- High level overview -
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- Node Modes -
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[Receive]
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Is for receiving information.
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[Send]
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Is for sending data to the receiving end.
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[Sync]
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Is for syncing one directory among 2 ends. (Make contents the same on both sides)
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[Daemon]
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Is used to create a longstanding sync daemon which syncs the directory with all incoming
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sync connections
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All infomation|commands are sent via packets with specific structure
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- Packet bytes representation -
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First 16 bytes - the total packet length
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The next 1 byte - number that represents this packet's type (ID) where:
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1: HANDSHAKE PACKET
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2: HANDSHAKE ACCEPT
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3: CONNECTION SHUTDOWN PACKET
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4: TEXT PACKET
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5: FILEINFO PACKET
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6: FILEDATA PACKET
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7: FILE ACCEPT PACKET
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8: FILE REJECT PACKET
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Then the internal structure varies from one packet type to the other,
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but the content-types are encoded as follows:
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u8 - just 1 BE byte
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u128 - 16 BE bytes
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String - u128 representing the string length and then UTF-8 encoded character bytes
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[u8] - u128 as the length of a byte array, then the array itself
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bool - convert it to u8 where 0 == false, 1 == true
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- Packets -
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[Handshake]
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This is the first packet that must be sent by connecting node to waiting node.
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Its existence tells the receiving end that the
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