Add resendPayload function

Resolves openbmc/openbmc#856

Change-Id: I957ce889500840c067e97537e825571cfb77e1c4
Signed-off-by: Tom Joseph <tomjoseph@in.ibm.com>
diff --git a/sol/sol_context.cpp b/sol/sol_context.cpp
index 24339f0..ec48a59 100644
--- a/sol/sol_context.cpp
+++ b/sol/sol_context.cpp
@@ -185,7 +185,15 @@
 
 void Context::resendPayload(bool clear)
 {
+    sendPayload(payloadCache);
 
+    if(clear)
+    {
+        payloadCache.clear();
+        expectedCharCount = 0;
+        std::get<sol::Manager&>(singletonPool).dataBuffer.erase(
+                expectedCharCount);
+    }
 }
 
 void Context::sendPayload(const Buffer& out) const