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  11. 13 Aug, 2018 2 commits
  13. 12 Aug, 2018 1 commit
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  31. 19 Jul, 2018 2 commits
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  35. 16 Jul, 2018 3 commits
  37. 12 Jul, 2018 1 commit
  39. 09 Jul, 2018 1 commit
    • Lucas Molas's avatar
      unixfs: add a directory interface · c82aac7a
      Lucas Molas authored 
      Add a UnixFS `Directory` that hides implementation details and helps to
distinguish *what* is a UnixFS directory.

Replace the `unixfs.io.Directory` structure that contained the HAMT and basic
directory implementations (through inner pointers) with an interface containing
the same methods. Implement those methods in two clearly distinct structures for
each implementation (`BasicDirectory` and `HAMTDirectory`) avoiding pointer
logic and clearly differentiating which implementation does what.

The potential basic to HAMT transition was being hidden behind the `AddChild`
call at the UnixFS layer (changing one implementation pointer  with the other
one), it is now being explicitly done at the MFS layer.

Rename the `dirbuilder.go` file to `directory.go` and change the `Directory` MFS
attribute `dirbuilder` to `unixfsDir` to be consistent.

License: MIT
Signed-off-by: default avatarLucas Molas <schomatis@gmail.com>
      c82aac7a
  41. 06 Jul, 2018 1 commit
  43. 29 Jun, 2018 3 commits
    • Lucas Molas's avatar
      mfs: remove `DAGService` from `Root` · b7cf4011
      Lucas Molas authored 
      The `Root` structure now explicitly contains a `Directory` (instead of an
`FSNode` interface), use that `Directory`'s `DAGService` instead of its own
`dserv` variable (which was used only once in `closeChild()`). The `DAGService`
in the `Root` and the `Directory` was the same (passed as an argument in the
`NewRoot` initializer function).

This leaves the `Root` structure with only a `Directory` and a `Republisher` and
allows to better rethink its role and whether if those two structures should be
grouped together (and if that group's name should be `Root`).

License: MIT
Signed-off-by: default avatarLucas Molas <schomatis@gmail.com>
      b7cf4011
    • Lucas Molas's avatar
      mfs: remove unused `Root` variables `node` and `Type` · f7f899d6
      Lucas Molas authored 
      License: MIT
Signed-off-by: default avatarLucas Molas <schomatis@gmail.com>
      f7f899d6
    • Lucas Molas's avatar
      mfs: make `Root` value a `Directory` · 09d6e801
      Lucas Molas authored 
      Make `Root` value explicitly a `Directory` structure instead of the `FSNode`
interface (which also allowed the `File` type). This helps to make the code
easier to reason about: the root of an MFS layout is always a directory, not a
(single) file.

Rename `GetValue()` to `GetDirectory()` to also make it more explicit, the
renamed function now returns a `Directory` so there is no need for type
assertions that were previously done on the `FSNode` interface to check that it
was actually a `Directory`.

`NewRoot()` now doesn't allow to create `Root` structures from DAG nodes that
contain UnixFS files.

License: MIT
Signed-off-by: default avatarLucas Molas <schomatis@gmail.com>
      09d6e801
  45. 27 Jun, 2018 1 commit
    • Steven Allen's avatar
      gx update · b5d3b18b
      Steven Allen authored 
      Updates:

* go-kad-dht: Query performance improvements, DHT client fixes, validates
  records on *local* put.
* go-libp2p-swarm/go-libp2p-transport: Timeout improvements.
* go-multiaddr-net: Exposes useful Conn methods (CloseWrite, CloseRead, etc.)
* go-log: fixes possible panic when enabling/disabling events.
* go-multiaddr: fixes possible panic when stringifying malformed multiaddrs,
  adds support for consuming /p2p/ multiaddrs.

fixes #5113
unblocks #4895

License: MIT
Signed-off-by: default avatarSteven Allen <steven@stebalien.com>
      b5d3b18b
  47. 13 Jun, 2018 1 commit
  49. 11 Jun, 2018 1 commit
    • Lucas Molas's avatar
      unixfs: integrate `pb.Data` into `FSNode` · 27b9ea02
      Lucas Molas authored 
      To avoid duplicating fields and making the code easier to follow.

Remove all of `FSNode` previous fields in favor on a single `pb.Data` structure
that is not exported. Accessor methods are added only for the necessary internal
fields. This takes up more memory, `pb.Data` is always created inside `FSNode`
and it stays there instead of just being created and destroyed during the
(un)marshal operations.

The removed fields `Data`, `blocksizes` and `Type` had a direct counterpart in
the embedded `pb.Data` structure, in contrast (only) the `subtotal` field
doesn't have one, it was used as a temporary accumulator to track the
`Filesize`, which is now being kept updated on every modification (to ensure the
entire `FSNode` is always at a valid state), so `subtotal` could just be removed
without the addition of any other field (this temporary accumulator  was
obscuring how `Filesize` was computed).

To keep `Filesize` up to date a method was added (`UpdateFilesize()`) to adjust
its value in the two places where the file size could be modified, when changing
its data (in `SetData()`, accessor method added) and when adding or removing
child nodes (in `AddBlockSize()` and `RemoveBlockSize()`).

A constructor method was added (`NewFSNode()`) to initialize the required
fields, like `Type` which is explicitly set, this deprecates the previous
methodology of just calling `new(FSNode)` and relying in the default value of
`pb.Data_DataType` (`Data_Raw`) to avoid an explicit assignment. Also,
`Filesize` is initialized to avoid being left with a `nil` value before
marshaling empty nodes, which would result in a different hash from previous
versions, to be backwards compatible. Previous versions of `GetBytes()` always
set the `Filesize` value, even though it is reflected as an `optional` field in
the `.proto` file (this may be an inaccurate field rule).

Without the duplicated fields the functions `GetBytes()` and `FSNodeFromBytes()`
are now reduced to simple `Marshal()` and `Unmarshal()` operations respectively.

License: MIT
Signed-off-by: default avatarLucas Molas <schomatis@gmail.com>
      27b9ea02
  51. 09 Jun, 2018 1 commit
  53. 01 Jun, 2018 1 commit
  55. 19 Apr, 2018 1 commit
  57. 30 Mar, 2018 1 commit