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# Changelog
All notable changes to this project will be documented in this file.
## [v2.1.1](https://github.com/ValentinBELYN/icmplib/releases/tag/v2.1.1) - 2021-03-21
- Rollback changes made to the `traceroute` function due to a bug.
## [v2.1.0](https://github.com/ValentinBELYN/icmplib/releases/tag/v2.1.0) - 2021-03-20
- Add a `family` parameter to the `resolve` function to define the address family.
- Improve the reliability of the results of the `traceroute` function.
> This version is the last of the 2.x branch. See you soon for the release of icmplib 3.0!
## [v2.0.2](https://github.com/ValentinBELYN/icmplib/releases/tag/v2.0.2) - 2021-02-07
- Rename the default branch from `master` to `main`.
- Fix a bug preventing the `traceroute` function to work with IPv6 addresses (part 2).
- Add more details about the `privileged` parameter in the `README` file (part 2).
## [v2.0.1](https://github.com/ValentinBELYN/icmplib/releases/tag/v2.0.1) - 2020-12-12
- Handle `EACCES` errors at sockets level.
- Fix a bug preventing the `traceroute` function to work with IPv6 addresses.
- Add some details about the `privileged` parameter in the `README` file.
## [v2.0.0](https://github.com/ValentinBELYN/icmplib/releases/tag/v2.0.0) - 2020-11-15
icmplib 2.0 is here! :tada:
Here is an overview of the improvements:
- All the foundations of the library have been completely reworked to make it even faster and simplify future developments.
- You can now use the library without root privileges. Remember to disable the `privileged` parameter on functions and sockets.
- The `multiping` function has been rewritten to use only one thread instead of as many threads as hosts to reach. This function will be up to 10 times faster and up to 2 times more memory efficient.
- You can set a source IP address for sending your ICMP packets.
- The `traceroute` function now has a `first_hop` parameter to specify the initial time to live value.
- Two new exceptions have been added: `NameLookupError` and `SocketAddressError`
- Compatibility with Linux, macOS and Windows has been improved.
- Docstrings, examples and documentation have been updated.
And more!
- The `receive` method of sockets can receive all incoming packets.
- The new `BufferedSocket` class (experimental) can read and classify incoming ICMP packets into a buffer, in real time. Useful if you want to send several ICMP packets consecutively without waiting for a response between each sending.
- Sockets throw new exceptions during instantiation, sending and receiving.
- The `resolve` function now raises a `NameLookupError` if the requested name does not exist or cannot be resolved.
- Compatibility with existing programs is maintained.
## [v1.2.2](https://github.com/ValentinBELYN/icmplib/releases/tag/v1.2.2) - 2020-10-10
- Add support for hostnames and FQDN resolution to IPv6 addresses.
- Performance improvement.
## [v1.2.1](https://github.com/ValentinBELYN/icmplib/releases/tag/v1.2.1) - 2020-09-26
- Fix an issue in the `traceroute` function which gave the wrong value for the `avg_rtt` property.
- Some other tweaks to the `traceroute` function.
## [v1.2.0](https://github.com/ValentinBELYN/icmplib/releases/tag/v1.2.0) - 2020-09-12
- Add the ability to modify the traffic class of ICMP packets.
- Add new optional parameters to the `traceroute` function.
- Add a new exception `SocketUnavailableError` when an action is performed while a socket is closed.
- Add a warning message on deprecated properties.
- Explicit closure of sockets on built-in functions.
- Fix a bug when ICMP responses are not correctly formatted (part 2).
## [v1.1.3](https://github.com/ValentinBELYN/icmplib/releases/tag/v1.1.3) - 2020-09-03
- Fix a bug when ICMP responses are not correctly formatted.
## [v1.1.2](https://github.com/ValentinBELYN/icmplib/releases/tag/v1.1.2) - 2020-08-29
- Fix a compatibility issue.
## [v1.1.1](https://github.com/ValentinBELYN/icmplib/releases/tag/v1.1.1) - 2020-07-10
- Fix a bug when the source host does not have an IP address.
## [v1.1.0](https://github.com/ValentinBELYN/icmplib/releases/tag/v1.1.0) - 2020-06-25
- Normalize the names of variables and properties:
- `ICMPReply` class: the `received_bytes` property is deprecated. Use `bytes_received` instead.
- `Host` and `Hop` classes: the `transmitted_packets` property is deprecated. Use `packets_sent` instead.
- `Host` and `Hop` classes: the `received_packets` property is deprecated. Use `packets_received` instead.
- Normalize docstrings.
- Add support for odd size payloads.
- Optimizations.
## [v1.0.4](https://github.com/ValentinBELYN/icmplib/releases/tag/v1.0.4) - 2020-06-14
- Add the `is_closed` property to the `ICMPSocket` class.
- Round round-trip time values by default.
- Fix a bug in the `multiping` function: the `id` parameter was ignored.
- Fix a bug in the `ICMPSocket` class when instantiated without root privileges.
- Add an index for examples.
## [v1.0.3](https://github.com/ValentinBELYN/icmplib/releases/tag/v1.0.3) - 2020-05-09
- Add the ability to customize the payload.
- Improvements of `ping` and `multiping` functions. It is now possible to pass arguments to the `ICMPRequest` object using keywords arguments `**kwargs`.
- Update some docstrings.
- Add new examples.
## [v1.0.2](https://github.com/ValentinBELYN/icmplib/releases/tag/v1.0.2) - 2019-10-20
- Change the license. This project now uses the more permissive license LGPLv3.
## [v1.0.1](https://github.com/ValentinBELYN/icmplib/releases/tag/v1.0.1) - 2019-10-07
- Add some examples.
- Rename `model.py` to `models.py`.
- Update setup keywords.
## [v1.0.0](https://github.com/ValentinBELYN/icmplib/releases/tag/v1.0.0) - 2019-09-29
- :tada: Initial release.
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