[jira] [Created] (TS-2610) Add "client_req_proto_type", % field into LogFormat

[Yunkai Zhang (JIRA)]

Yunkai Zhang created TS-2610:
--------------------------------

             Summary: Add "client_req_proto_type", %<cqpt> field into LogFormat
                 Key: TS-2610
                 URL: https://issues.apache.org/jira/browse/TS-2610
             Project: Traffic Server
          Issue Type: New Feature
          Components: Logging
            Reporter: Yunkai Zhang


This ticket was split from SPDY ticket(TS-2431).

Add %<cqpt> field into LogFormat, so that we can distinguish the protocol type 
of each log record, it can help us to to do some analysis and statistic.

Here are the available values of %<cqpt>:
{code}
      "HTTP"          -- HTTP protocol
      "HTTP_SSL"      -- HTTP with SSL protocol
      "HTTP_SPDY"     -- HTTP with SPDY protocol
      "HTTP_SPDY_SSL" -- HTTP with SPDY with SSL protocol
{code}

For some plugins that using TSHttpConnect() API to do request, the Logging 
module can't know which protocol type is used, so I add a new API: 
{code}
tsapi TSVConn TSHttpConnectWithProtoType(struct sockaddr const* addr, 
TSNetProtoType proto_type);
{code}

After introducing TSHttpConnectWithProtoType() API, TSHttpConnect() API would 
be a special case of it:
{code}
TSVConn
TSHttpConnect(sockaddr const* addr)
{
  return TSHttpConnectWithProtoType(addr, TS_NET_PROTO_HTTP);
}
{code}






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