102 lines
3.1 KiB
Nim
102 lines
3.1 KiB
Nim
## Nim-LibP2P
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## Copyright (c) 2019 Status Research & Development GmbH
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## Licensed under either of
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## * Apache License, version 2.0, ([LICENSE-APACHE](LICENSE-APACHE))
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## * MIT license ([LICENSE-MIT](LICENSE-MIT))
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## at your option.
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## This file may not be copied, modified, or distributed except according to
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## those terms.
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import chronos
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type
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LPStream* = ref object of RootObj
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isClosed*: bool
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closeEvent*: AsyncEvent
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LPStreamError* = object of CatchableError
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LPStreamIncompleteError* = object of LPStreamError
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LPStreamIncorrectError* = object of Defect
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LPStreamLimitError* = object of LPStreamError
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LPStreamReadError* = object of LPStreamError
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par*: ref Exception
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LPStreamWriteError* = object of LPStreamError
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par*: ref Exception
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LPStreamEOFError* = object of LPStreamError
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proc newLPStreamReadError*(p: ref Exception): ref Exception {.inline.} =
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var w = newException(LPStreamReadError, "Read stream failed")
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w.msg = w.msg & ", originated from [" & $p.name & "] " & p.msg
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w.par = p
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result = w
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proc newLPStreamWriteError*(p: ref Exception): ref Exception {.inline.} =
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var w = newException(LPStreamWriteError, "Write stream failed")
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w.msg = w.msg & ", originated from [" & $p.name & "] " & p.msg
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w.par = p
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result = w
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proc newLPStreamIncompleteError*(): ref Exception {.inline.} =
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result = newException(LPStreamIncompleteError, "Incomplete data received")
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proc newLPStreamLimitError*(): ref Exception {.inline.} =
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result = newException(LPStreamLimitError, "Buffer limit reached")
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proc newLPStreamIncorrectError*(m: string): ref Exception {.inline.} =
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result = newException(LPStreamIncorrectError, m)
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proc newLPStreamEOFError*(): ref Exception {.inline.} =
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result = newException(LPStreamEOFError, "Stream EOF!")
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method closed*(s: LPStream): bool {.base, inline.} =
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s.isClosed
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method read*(s: LPStream,
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n = -1):
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Future[seq[byte]] {.base, async.} =
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doAssert(false, "not implemented!")
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method readExactly*(s: LPStream,
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pbytes: pointer,
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nbytes: int):
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Future[void] {.base, async.} =
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doAssert(false, "not implemented!")
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method readLine*(s: LPStream,
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limit = 0,
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sep = "\r\n"):
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Future[string]
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{.base, async.} =
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doAssert(false, "not implemented!")
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method readOnce*(s: LPStream,
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pbytes: pointer,
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nbytes: int):
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Future[int]
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{.base, async.} =
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doAssert(false, "not implemented!")
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method readUntil*(s: LPStream,
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pbytes: pointer,
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nbytes: int,
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sep: seq[byte]):
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Future[int]
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{.base, async.} =
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doAssert(false, "not implemented!")
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method write*(s: LPStream, pbytes: pointer, nbytes: int)
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{.base, async.} =
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doAssert(false, "not implemented!")
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method write*(s: LPStream, msg: string, msglen = -1)
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{.base, async.} =
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doAssert(false, "not implemented!")
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method write*(s: LPStream, msg: seq[byte], msglen = -1)
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{.base, async.} =
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doAssert(false, "not implemented!")
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method close*(s: LPStream)
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{.base, async.} =
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doAssert(false, "not implemented!")
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