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34 lines
701 B
Nim
34 lines
701 B
Nim
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import asyncdispatch, httpclient
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type
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HttpPool* = ref object
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conns*: seq[AsyncHttpClient]
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var maxConns {.threadvar.}: int
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proc setMaxHttpConns*(n: int) =
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maxConns = n
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proc release*(pool: HttpPool; client: AsyncHttpClient) =
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if pool.conns.len >= maxConns:
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client.close()
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elif client != nil:
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pool.conns.insert(client)
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template use*(pool: HttpPool; heads: HttpHeaders; body: untyped): untyped =
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var c {.inject.}: AsyncHttpClient
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if pool.conns.len == 0:
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c = newAsyncHttpClient(headers=heads)
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else:
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c = pool.conns.pop()
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c.headers = heads
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try:
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body
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except ProtocolError:
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# Twitter closed the connection, retry
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body
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finally:
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pool.release(c)
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