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Bug #1461

closed

NFD crashes if system does not support IPv6

Added by Alex Afanasyev about 10 years ago. Updated about 10 years ago.

Status:
Closed
Priority:
Normal
Assignee:
-
Category:
Management
Target version:
Unsupported
Start date:
04/10/2014
Due date:
% Done:

0%

Estimated time:

Description

In FaceManager we hard-coded that TCP and UDP factory create IPv4 and IPv6 channels:

face-manager.cpp:291:

shared_ptr<TcpChannel> ipv4Channel = factory->createChannel("0.0.0.0", port);
shared_ptr<TcpChannel> ipv6Channel = factory->createChannel("::", port);

face-manager.cpp:

shared_ptr<UdpChannel> v4Channel =
  factory->createChannel("0.0.0.0", port, time::seconds(timeout));

shared_ptr<UdpChannel> v6Channel =
  factory->createChannel("::", port, time::seconds(timeout));

On platforms that do not support IPv6 (but I guess, there should be a similar problem if platform doesn't support IPv4), this causes exception during Channel creation, which is caught by main:

1397168136.392115 DEBUG: [TcpFactory] Channel [[::]:6363] created
1397168136.409649 FATAL: [Main] open: Address family not supported by protocol

There could be a couple of solutions to the problem. The ideal is to provide config parameter, specifying either explicit ipv4/ipv6 addresses to listen on, or just variable to enable/disable ipv4/ipv6.

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