fix(E2E-minion): E2E-minion-crash-during-parallel-iPerf

[Shrusti-W]

Signed-off-by: Shrusti-W [email protected]

Prerequisites

• I have read the Contributing Guidelines.
• I have read the Code of Conduct.
• If this is a non-trivial change, I have already opened an accompanying Issue.
• If applicable, I have included documentation updates alongside my code changes.

Description

Introduced folly synchronization to iperfProcesses_ , iperfAvailablePorts_ and pingProcesses.

Modified the files
src/terragraph-e2e/e2e/minion/TrafficApp.cpp
src/terragraph-e2e/e2e/minion/TrafficApp.h

Test Plan

1.Tested iperf using the command
"tg traffic iperf start -s <source_mac> -d <dest_mac> -J"

2.Tested iperf by initiating 6 parallel sessions using the command
"tg traffic iperf start -s <source_mac> -d <dest_mac> -J"

3.Tested iperf for both TCP and UDP protocols using the command
UDP:"tg traffic iperf start -s <source_mac> -d <dest_mac> -J -p udp"
TCP:"tg traffic iperf start -s <source_mac> -d <dest_mac> -J -p tcp"

4.Tested iperf for duration of 5 hours to check the stability.

5.Tested ping using the command
"tg traffic ping start -s <source_mac> -d <dest_mac>"

6.Tested parallel ping by initiating 5 parallel session for 50 packets using the command
"tg traffic ping start -s <source_mac> -d <dest_mac> -c 50"

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