mirror of
https://github.com/logos-storage/logos-storage-nim.git
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75db491d84
* avoid copying block,parity data to shared memory * use alloc instead of allocShared * code cleanup
39 lines
1.0 KiB
Nim
39 lines
1.0 KiB
Nim
import std/sequtils
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proc createDoubleArray*(
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outerLen, innerLen: int
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): ptr UncheckedArray[ptr UncheckedArray[byte]] =
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# Allocate outer array
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result = cast[ptr UncheckedArray[ptr UncheckedArray[byte]]](allocShared0(
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sizeof(ptr UncheckedArray[byte]) * outerLen
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))
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# Allocate each inner array
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for i in 0 ..< outerLen:
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result[i] = cast[ptr UncheckedArray[byte]](allocShared0(sizeof(byte) * innerLen))
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proc freeDoubleArray*(
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arr: ptr UncheckedArray[ptr UncheckedArray[byte]], outerLen: int
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) =
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# Free each inner array
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for i in 0 ..< outerLen:
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if not arr[i].isNil:
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deallocShared(arr[i])
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# Free outer array
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if not arr.isNil:
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deallocShared(arr)
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proc makeUncheckedArray*(
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data: ref seq[seq[byte]]
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): ptr UncheckedArray[ptr UncheckedArray[byte]] =
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result = cast[ptr UncheckedArray[ptr UncheckedArray[byte]]](alloc0(
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sizeof(ptr UncheckedArray[byte]) * data[].len
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))
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for i, blk in data[]:
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if blk.len > 0:
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result[i] = cast[ptr UncheckedArray[byte]](addr blk[0])
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else:
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result[i] = nil
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