Hangs while downloading Bitstamp prices about blackbird HOT 4 CLOSED

I can confirm this bug. It happened to me once when I was on version 0.0.2 but in the last couple of days it occurred several times. I am currently also on the latest version. @butor are you sure that it always happens on Bitstamp?

I can almost certainly say that it is not a problem with the operating system like I thought at first. Like @butor said, the process is not being killed and still runs fine. I even tried redirecting stdout and stderr with debugging tools but there was no output.

The default cURL timeout CURLOPT_TIMEOUT is set to 0 which means that a transfer never timeouts. I added a timeout of 20 seconds for testing purposes. The commit is at https://github.com/julianmi/blackbird/commit/a5e0e2ea5ed75e6770b73a6ffb5cdb8e1f26e7d1 if anyone wants to help testing.

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Hi @julianmi sorry I didn't realize that my symptoms were the same as the ones you described to me a few weeks back.

Yes, so far I only experienced the issue after the line:

OKCoin: 272.22 / 272.23

But it may just be a coincidence. I will try out your 20-second timeout idea. Thanks.

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Hi @butor, I can also add another confirmation. It happened to me while downloading other market prices as well as bitstamp. I am going to try out @julianmi's branch to see if that works. Thank you guys.

side note: it has happened to me a couple of times on a couple of markets.

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curl_easy_setopt(curl, CURLOPT_TIMEOUT, 20L) seems to have fixed the issue. I don't experience this hang issue anymore. Thanks @julianmi and @NateBrune.

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