These changes address various issues found in the POSIX platform UART
driver which lead to the process not terminating properly when the
parent dies or closes `stdin`/`stdout`. Some of the errors could even
lead to unexpected program termination.
Among the various errors corrected are:
* Using `assert()` to terminate under normal operating conditions.
* `posixUartProcess()` only checked `s_in_fd` for readability and
did not check `s_out_fd` for writability. It also caused data
corruption if `write()` ever returned less than all of the bytes
sent.
* `ISIG` was being set on the termios flags. This can cause problems
when the serial API is used for binary data (Like when used with
the NCP app). (This requires the CLI be explicitly able to be able
to handle CTRL-C when built for POSIX)
* Socket errors weren't being tracked on `select()`.
* The platform main loop would (possibly) terminate if `select()`
failed with `EINTR`, which makes it difficult to attach to the
process with a debugger.
* OpenThread no longer automatically configures IPv6 addresses based on network data.
* Added IPv6 address configuration to CLI to support certification tests.
* Added notification to indicate when the Thread Network Data is updated.
* Added otIp6PrefixMatch API to compute prefix match.
Update feature extra clis for thci support.
* cli: add set/get PartitionId
* cli: add get information about thread device's parent.
* cli: add set/get the data poll period for sleepy end device.
* cli: add blacklist relative commands to support network topology defined in Harness test case.
* cli: add set/get assigned linkquality during parent selection of attaching.
* cli: add reset to trigger a platform reset.
* Add link-local 16 only for sleepy end device.
* Add diagnostics module in OpenThread
- provide the same diagnostics interface for both CLI and NCP usage
- implement common diagnostics features based on existing platform interface defined in 'include/platform/'
- other more platform specific diagnostics features will be processed under platform layer
- update CLI interface to support diagnostics feature
- update both Posix and CC2538 platform to support diagnostics feature
* Add diagnostics module unit test
- move platform.h from "examples/platform" to "include/platform"
- add test_diag.cpp to test diagnostics module
* Add a configuration option that would enable/disable diagnostics module
Add --enable-diag configuration option to enable/disable diagnostics module when building OpenThread.
* Redefine otEnable/otDisable to just initialize/uninitialize the OpenThread stack.
* Remove otInit API since it is replaced by otEnable.
* Add otInterfaceUp/otInterfaceDown APIs to bring up/down IPv6 interface.
* Add otThreadStart/otThreadStop APIs to start/stop Thread protocol operation.
* Updated NCP implementation to utilize new APIs.
Nick Banks