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Streaming: Fix overhead documentation

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zzz
2020-05-01 11:16:55 +00:00
parent fd3e181b7c
commit dd96e29213
1 changed files with 47 additions and 15 deletions
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62
apps/streaming/java/src/net/i2p/client/streaming/impl/ConnectionOptions.java
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@ -177,17 +177,33 @@ class ConnectionOptions extends I2PSocketOptionsImpl {
* 1003 Tunnel Payload
* - 39 Unfragmented instructions (see router/tunnel/TrivialPreprocessor.java)
* -----
* 964 Unfragmented I2NP Message
* - 20 ??
* 964 Garlic Message
* - 16 I2NP header
* - 4 length
* -----
* 944 Garlic Message padded to 16 bytes
* - 0 Pad to 16 bytes (why?)
* 944 Garlic Message AES payload padded to 16 bytes
* - 0 Pad to 16 bytes
* -----
* 944 Garlic Message (assumes no bundled leaseSet or keys)
* - 71 Garlic overhead
* - 32 session tag
* - 2 tag count
* - 4 payload size
* - 32 payload hash
* - 1 flags
* - 1 clove count
* - 33 clove delivery instructions
* (Tunnel Data Message goes here)
* - 4 clove ID
* - 8 clove expiration
* - 3 clove cert
* - 3 garlic cert
* - 4 garlic ID
* - 8 garlic expiration
* - 135 total overhead
* -----
* 873 Tunnel Data Message
* - 84 ??
* 809 Data Message
* - 16 I2NP header
* - 4 length
* -----
* 789 Gzipped I2NP message
* - 23 Gzip 10 byte header, 5 byte block header, 8 byte trailer (yes we always use gzip, but it
@ -196,7 +212,7 @@ class ConnectionOptions extends I2PSocketOptionsImpl {
* (see client/I2PSessionImpl2.java, util/ReusableGZipOutputStream.java, and the gzip and deflate specs)
* -----
* 766
* - 28 Streaming header (24 min, but leave room for a nack or other optional things) (See Packet.java)
* - 28 Streaming header (22 min) and 6 bytes of options or nacks
* -----
* 738 Streaming message size
*
@ -209,24 +225,40 @@ class ConnectionOptions extends I2PSocketOptionsImpl {
* 2006 Tunnel Payload
* - 50 Fragmented instructions (43 for first + 7 for second)
* -----
* 1956 Unfragmented I2NP Message
* - 20 ??
* 1956 Garlic Message
* - 16 I2NP header
* - 4 length
* -----
* 1936 Garlic Message padded to 16 bytes
* 1936 Garlic Message AES payload padded to 16 bytes
* 1936
* - 0 Pad to 16 bytes
* -----
* 1936 Garlic Message
* - 71 Garlic overhead
* - 32 session tag
* - 2 tag count
* - 4 payload size
* - 32 payload hash
* - 1 flags
* - 1 clove count
* - 33 clove delivery instructions
* (Tunnel Data Message goes here)
* - 4 clove ID
* - 8 clove expiration
* - 3 clove cert
* - 3 garlic cert
* - 4 garlic ID
* - 8 garlic expiration
* - 135 total overhead
* -----
* 1865 Tunnel Data Message
* - 84 ??
* 1801 Data Message
* - 16 I2NP header
* - 4 length
* -----
* 1781 Gzipped I2NP message
* - 23 Gzip header
* -----
* 1758
* - 28 Streaming header
* - 28 Streaming header (22 min) and 6 bytes of options or nacks
* -----
* 1730 Streaming message size to fit in 2 tunnel messages
*