Change the send Buffer size dynamically

On a Linux system the send buffer size has defaulted
to around 90k, and when a pldm message is sent via
the pldm_send() that is bigger than 90k, we get an err

Change the send Buffer size dynamically

On a Linux system the send buffer size has defaulted
to around 90k, and when a pldm message is sent via
the pldm_send() that is bigger than 90k, we get an error
ENOBUFS (No buffer space avilable).

This commit would dynamically change the socket parameter
(SO_SNDBUF) to set the new maximum socket send buffer size
so that we can successfully send the message.

Tested By:

1. hard coded the current buffer size value to 10 and forced
the buffer size to be increase for mutiple commands & was able
to power on the host with out any problems.

Signed-off-by: Manojkiran Eda <manojkiran.eda@gmail.com>
Change-Id: I5f7a3948ea019b4dc983cf5e1926cfc128c02084

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Refactor the verbose tracing in PLDM

1. Add verbose tracing in requester code
2. Change the prefix of verbose tracing to "Tx: " and "Rx: "
3. Remove explicit verbose tracing flag in libpldmresponder

Refactor the verbose tracing in PLDM

1. Add verbose tracing in requester code
2. Change the prefix of verbose tracing to "Tx: " and "Rx: "
3. Remove explicit verbose tracing flag in libpldmresponder
4. Change the prefix of pldmtool verbose tracing to "pldmtool: Tx: "
and "pldmtool: Rx: "

Signed-off-by: Tom Joseph <rushtotom@gmail.com>
Change-Id: Ie2c6b323e32e0828ed5ecaeb3e61943a98a2f089

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treewide: remove 'using namespace' from headers

Using namespace at global scope in a header file violates the cpp core
guidelines. Quoting the guidelines:

"Doing so takes away an #includer’s abi

treewide: remove 'using namespace' from headers

Using namespace at global scope in a header file violates the cpp core
guidelines. Quoting the guidelines:

"Doing so takes away an #includer’s ability to effectively
disambiguate and to use alternatives. It also makes #included headers
order-dependent as they might have different meaning when included in
different orders."

For further reading:
https://isocpp.github.io/CppCoreGuidelines/CppCoreGuidelines#Rs-using-directive

The guidelines don't call out using using namespace from namespace
scope, but it is only marginally less problematic and still unexpected,
so this patch removes those as well.

The process used to do the update is roughly:

1 - git grep 'using namespace' **.hpp
2 - For each instance, remove the offending 'using namespace' line
3 - build
4 - add 'using namespace' to cpp files or fully resolve types in hpp
files until the project builds again.

Further cleanup is possible - for example cpp files could be scrubbed
for unnecessary namespace qualification - this was not done here to make
review as simple as possible.

Change-Id: I4931f5e78a1b5b74b4a4774c035a549f4d59b91a
Signed-off-by: Brad Bishop <bradleyb@fuzziesquirrel.com>

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meson: add missing nlohmann dependencies to tests

Without it there are build failures because the include search path is
wrong in subproject mode.

Change-Id: I49ee9aab900a41ae91dccc43eccc68321f9d97

meson: add missing nlohmann dependencies to tests

Without it there are build failures because the include search path is
wrong in subproject mode.

Change-Id: I49ee9aab900a41ae91dccc43eccc68321f9d973a
Signed-off-by: Brad Bishop <bradleyb@fuzziesquirrel.com>

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requester: Enhance the PLDM requester code

- Free the instance id on error paths
- Make the conditional checks consistent
- Make the unit tests robust

Signed-off-by: Tom Joseph <rushtotom@gmail.com

requester: Enhance the PLDM requester code

- Free the instance id on error paths
- Make the conditional checks consistent
- Make the unit tests robust

Signed-off-by: Tom Joseph <rushtotom@gmail.com>
Change-Id: Ieb70da2820ab818c36f5bf874a602fb090659836

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requester: PLDM handler for async request/response

PLDM request handler provides APIs to register PLDM request message,
handle retries and instance ID expiration. Sending the PLDM request
and handli

requester: PLDM handler for async request/response

PLDM request handler provides APIs to register PLDM request message,
handle retries and instance ID expiration. Sending the PLDM request
and handling response is handled in an async manner. On receiving
the response the corresponding response handler registered for the
request is invoked.

Tested: Ran unit tests

Signed-off-by: Tom Joseph <rushtotom@gmail.com>
Change-Id: I9f0a9dfcf0fbc9a84eefad375b92d40dd8b48d3d

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