doc/dot/ResponseDiag.dot

/* response processing diagram HttpSM */
/*    */

digraph g {
center=1;
size = "7.5,10";
fontsize="20";
label = "Inktomi CONFIDENTIAL";
orientation = "portrait";

"READ_RESP_HDR" [ label = "Read Response Header" ];
"CALL_HANDLE_RESP" [ label = "Call Handle Response" ];

/* Proxy Internal Nodes */
"PROXY_INTERNAL" [ label = "PROXY_INTERNAL*" ];
"PI_HANDLE_CACHE_WORK" [ label = "handle cache work" ];
"PI_RESP_HDR_API" [label = "call Send Response Hdr Hook" ];
"PI_INTERNAL_TRANSFER" [ label = "Internal Transfer" ];

/* Server Read Nodes */
"SERVER_READ" [ label = "SERVER_READ*" ];
"SER_HANDLE_CACHE_WORK" [ label = "handle cache work" ];
"SER_TRANSFORM_Q" [ label = "transform?", shape = "diamond" ];
"SER_NO_T_RESP_HDR_API" [label = "call Send Response Hdr Hook" ];
"SER_NO_T_SERVER_TRANSFER" [ label = "Server Transfer" ];

/* Transform Nodes */
"INIT_XFER_TO_TRANS" [label = "Initiate Transfer to Transform" ];
"WAIT_FOR_READ_READY" [label = "Wait for Transform Read Ready" ];
"TRANFORM_RESP_HDR_API" [label = "call Send Response Hdr Hook" ];
"TRANSFORM_TRANSFER" [ label = "Transform Transfer" ];

/* Cache Read Nodes */
"CACHE_READ" [ label = "CACHE_READ*" ];
"CA_HANDLE_CACHE_WORK" [ label = "handle cache work" ];
"CA_TRANSFORM_Q" [ label = "transform?", shape = "diamond" ];
"CA_NO_T_RESP_HDR_API" [label = "call Send Response Hdr Hook" ];
"CA_NO_T_SERVER_TRANSFER" [ label = "Cache Transfer" ];

/* Common path */
"READ_RESP_HDR" -> "CALL_HANDLE_RESP";
"CALL_HANDLE_RESP" -> "SERVER_READ";
"CALL_HANDLE_RESP" -> "CACHE_READ";
"CALL_HANDLE_RESP" -> "PROXY_INTERNAL";

/* Proxy Internal Path */
"PROXY_INTERNAL" -> "PI_HANDLE_CACHE_WORK";
"PI_HANDLE_CACHE_WORK" -> "PI_RESP_HDR_API";
"PI_RESP_HDR_API" -> "PI_INTERNAL_TRANSFER";

/* Server Read Path */
"SERVER_READ" -> "SER_HANDLE_CACHE_WORK";
"SER_HANDLE_CACHE_WORK" -> "SER_TRANSFORM_Q";
"SER_TRANSFORM_Q" -> "SER_NO_T_RESP_HDR_API" [ label = "no" ];
"SER_NO_T_RESP_HDR_API" -> "SER_NO_T_SERVER_TRANSFER";

/* Cache Read Path" */
"CACHE_READ" -> "CA_HANDLE_CACHE_WORK";
"CA_HANDLE_CACHE_WORK" -> "CA_TRANSFORM_Q";
"CA_TRANSFORM_Q" -> "CA_NO_T_RESP_HDR_API" [ label = "no" ];
"CA_NO_T_RESP_HDR_API" -> "CA_NO_T_SERVER_TRANSFER";


/* Transform Path */
"SER_TRANSFORM_Q" -> "INIT_XFER_TO_TRANS" [ label = "yes" ];
"CA_TRANSFORM_Q" -> "INIT_XFER_TO_TRANS" [ label = "yes" ];
"INIT_XFER_TO_TRANS" -> "WAIT_FOR_READ_READY";
"WAIT_FOR_READ_READY" -> "TRANFORM_RESP_HDR_API";
"TRANFORM_RESP_HDR_API" -> "TRANSFORM_TRANSFER";
}