[RPC] Prefer IPv4 between IPv4 and IPv6 #7013
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tqchen merged 1 commit intoapache:mainfrom Dec 3, 2020
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And just a question to this PR. Maybe the better option is to set IPv4 type for all rpc connections? Or sometimes it is reasonable to have IPv6? |
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| if __name__ == "__main__": | ||
| parser = argparse.ArgumentParser() | ||
| parser.add_argument("--host", type=str, default="0.0.0.0", help="the hostname of the tracker") | ||
| parser.add_argument("--host", type=str, default="localhost", help="the hostname of the tracker") |
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This might prevent rpc tracker from being used other than local host
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Thanks @echuraev It is indeed good to support IPv6, although the current change could make rpc tracker unavailable from other machines. The second best option is indeed to check and use 0.0.0.0 for now if the default one is ipv6 |
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I've updated the PR. Now we will prefer IPv4 type of IP protocol between IPv4 and IPv6. @tqchen please, take a look on it. |
This change fix problem with version of IP protocol on MacOS. Previous the `rpc_tracker` and `query_rpc_tracker` were not able connect to each other with default hostnames. The root cause was in method `socket.getaddrinfo`. In `rpc_tracker` the default hostname is "0.0.0.0" and `getaddrinfo` returns IPv4 type. In `query_rpc_tracker` the default hastname is "localhost" and `getaddrinfo` on MacOS returns IPv6 type. Note: on Linux both have IPv4 type. These tools worked by different protocols and this is why `query_rpc_tracker` wasn't able connect to `rpc_tracker`. Now we will prefer IPv4 type. And both `rpc_tracker` and `query_rpc_tracker` will use the same version of protocol.
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This change fix problem with version of IP protocol on MacOS. Previous the `rpc_tracker` and `query_rpc_tracker` were not able connect to each other with default hostnames. The root cause was in method `socket.getaddrinfo`. In `rpc_tracker` the default hostname is "0.0.0.0" and `getaddrinfo` returns IPv4 type. In `query_rpc_tracker` the default hastname is "localhost" and `getaddrinfo` on MacOS returns IPv6 type. Note: on Linux both have IPv4 type. These tools worked by different protocols and this is why `query_rpc_tracker` wasn't able connect to `rpc_tracker`. Now we will prefer IPv4 type. And both `rpc_tracker` and `query_rpc_tracker` will use the same version of protocol.
trevor-m
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Dec 4, 2020
This change fix problem with version of IP protocol on MacOS. Previous the `rpc_tracker` and `query_rpc_tracker` were not able connect to each other with default hostnames. The root cause was in method `socket.getaddrinfo`. In `rpc_tracker` the default hostname is "0.0.0.0" and `getaddrinfo` returns IPv4 type. In `query_rpc_tracker` the default hastname is "localhost" and `getaddrinfo` on MacOS returns IPv6 type. Note: on Linux both have IPv4 type. These tools worked by different protocols and this is why `query_rpc_tracker` wasn't able connect to `rpc_tracker`. Now we will prefer IPv4 type. And both `rpc_tracker` and `query_rpc_tracker` will use the same version of protocol.
electriclilies
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This change fix problem with version of IP protocol on MacOS. Previous the `rpc_tracker` and `query_rpc_tracker` were not able connect to each other with default hostnames. The root cause was in method `socket.getaddrinfo`. In `rpc_tracker` the default hostname is "0.0.0.0" and `getaddrinfo` returns IPv4 type. In `query_rpc_tracker` the default hastname is "localhost" and `getaddrinfo` on MacOS returns IPv6 type. Note: on Linux both have IPv4 type. These tools worked by different protocols and this is why `query_rpc_tracker` wasn't able connect to `rpc_tracker`. Now we will prefer IPv4 type. And both `rpc_tracker` and `query_rpc_tracker` will use the same version of protocol.
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This change fix problem with version of IP protocol on MacOS.
Previous the
rpc_trackerandquery_rpc_trackerwere not able connect toeach other with default hostnames.
The root cause was in method
socket.getaddrinfo. Inrpc_trackerthedefault hostname was "0.0.0.0" and
getaddrinforeturned IPv4 type. Inquery_rpc_trackerthe default hastname is "localhost" andgetaddrinfoon MacOS returns IPv6 type. Note: on Linux both have IPv4 type.
These tools worked by different protocols and this is why
query_rpc_trackerwasn't able connect torpc_tracker.Now the default hostnames are the same. So it works fine on MacOS.
@tqchen, @jroesch Could you please review it?