added partial support for routing at nic

dispatch_system/dispatch_manager/lib.js

@@ -13,6 +13,8 @@ const { createLogger, format, transports } = winston;
 const heap = require('heap')
 const dgram = require('dgram');
 const udpProxy = dgram.createSocket('udp4');
+let struct = require('jspack')
+struct = struct.jspack
 
 
 let db = sharedMeta.db, // queue holding request to be dispatched
@@ -144,14 +146,21 @@ async function reverseProxy(req, res) {
          logger.error("error" + err)
       }
    } else if (req.body.type === "udp") {
-      let request_id = makeid(4)
+      let request_id = Math.floor(Math.random() * 1000)
       req.body.request_id = request_id
       // res.request_id = request_id
       requestFlightQueue.set(request_id, res)
       let payload = req.body
       payload.request_id = request_id
-      payload = JSON.stringify(payload)
-      udpProxy.send(payload, 0, payload.length, resource.port, resource.node_id, function (err, bytes) {
+      let data = payload.data
+      let packet = packPacket({
+         chain_id: 0,
+         exec_id: request_id,
+         function_id: 0,
+         data,
+         function_count: 1
+      })
+      udpProxy.send(packet, 0, packet.length, resource.port, resource.node_id, function (err, bytes) {
          // logger.info(`forwarded request via UDP, IP 192.168.2.5 Port ${resource.port}`)
       })
    }
@@ -403,8 +412,8 @@ udpProxy.on('error', (err) => {
 });
 
 udpProxy.on('message', (msg, rinfo) => {
-   let result = JSON.parse(msg)
-   let res = requestFlightQueue.get(result.request_id)
+   let result = unpackPacket(msg)
+   let res = requestFlightQueue.get(result.exec_id)
    res.json(result)
 });
 
@@ -422,6 +431,48 @@ async function fetchData(url, data = null) {
    return await res.json()
 }
 
+function unpackPacket(packet) {
+   // let buffer = new Array(1024)
+   let chain_id = null, exec_id = null, function_count = null, function_id = null, data = null
+   let base = 0
+   chain_id = struct.Unpack(">I", packet, base)
+   base += 4
+   exec_id = struct.Unpack(">I", packet, base)
+   base += 4
+   function_id = struct.Unpack(">I", packet, base)
+   base += 1
+   data = struct.Unpack(">I", packet, base)
+   base += 4
+   function_count = struct.Unpack("B", packet, base)
+
+
+   return {
+      chain_id: chain_id[0],
+      exec_id: exec_id[0],
+      data: data[0],
+      function_count: function_count[0],
+      function_id: function_id[0]
+   }
+}
+
+function packPacket(dataPacket) {
+
+   let message = new Array(1024)
+   let base = 0, chain_id, exec_id, function_id, data, function_count
+   chain_id = struct.PackTo(">I", message, base, [dataPacket.chain_id])
+   base += 4
+   exec_id = struct.PackTo(">I", message, base, [dataPacket.exec_id])
+   base += 4
+   function_id = struct.PackTo(">I", message, base, [dataPacket.function_id])
+   base += 1
+   data = struct.PackTo(">I", message, base, [dataPacket.data])
+   base += 4
+   function_count = struct.PackTo("B", message, base, [dataPacket.function_count])
+   message = Buffer.from(message)
+   return message
+}
+
+
 udpProxy.bind(constants.master_port); // starting UDP server for offloaded endpoints
 
  module.exports = {

dispatch_system/dispatch_manager/nic/build_offload.sh

-#! /bin/bash -x
+#! /bin/bash -ex
 
 compile_flag=0
+offload_flag=0
+assign_ip_flag=0
 location=$(pwd)
-while getopts 'c' flag; do
+while getopts 'coi' flag; do
   case "${flag}" in
     c) compile_flag=1 ;;
+    o) offload_flag=1 ;;
+    i) assign_ip_flag=1 ;;
   esac
 done
 
@@ -13,11 +17,24 @@ then
     # compile the nfp code
     sudo /opt/netronome/p4/bin/nfp4build -o ./p4src/echo.nffw -p ./p4src/out -4 ./p4src/echo.p4 -l lithium --nfp4c_p4_version 16 --nfp4c_p4_compiler p4c-nfp -c ./p4src/prime.c
 fi
-# move to p4 bin
-cd /opt/netronome/p4/bin/
 
-# #offload
-sudo ./rtecli design-load -f $location/p4src/echo.nffw -c $location/p4src/echo.p4cfg -p $location/p4src/out/pif_design.json
+if [[ $offload_flag -eq 1 ]]
+then
+  # move to p4 bin
+  cd /opt/netronome/p4/bin/
+
+  # offload
+  sudo ./rtecli design-load -f $location/p4src/echo.nffw -c $location/p4src/echo.p4cfg -p $location/p4src/out/pif_design.json
+
+  # returning back to base
+  cd $location
+fi
+
+if [[ $assign_ip_flag -eq 1 ]]
+then
+    #killing all running containers
+    docker stop $(docker ps -a -q) || true
+    #assigning IPs to network interfaces
+    sudo ./assign_ip.sh
+fi
 
-# returning back to base
-cd $location
\ No newline at end of file

dispatch_system/dispatch_manager/nic/p4src/echo.bmv2.json

@@ -8,10 +8,7 @@
     {
       "name" : "scalars_0",
       "id" : 0,
-      "fields" : [
-        ["temp", 32, false],
-        ["tempEth", 48, false]
-      ]
+      "fields" : []
     },
     {
       "name" : "ethernet_t",
@@ -56,7 +53,7 @@
       "fields" : [
         ["chain_id", 32, false],
         ["exec_id", 32, false],
-        ["function_id", 8, false],
+        ["function_id", 32, false],
         ["data", 32, false],
         ["function_count", 8, false],
         ["f0", 8, false],
@@ -257,7 +254,7 @@
           ],
           "transitions" : [
             {
-              "value" : "0x22b9",
+              "value" : "0x1f40",
               "mask" : null,
               "next_state" : "parse_map_hdr"
             },
@@ -362,7 +359,7 @@
       "id" : 0,
       "source_info" : {
         "filename" : "p4src/echo.p4",
-        "line" : 97,
+        "line" : 89,
         "column" : 8,
         "source_fragment" : "DeparserImpl"
       },
@@ -403,7 +400,7 @@
       "id" : 0,
       "source_info" : {
         "filename" : "p4src/echo.p4",
-        "line" : 108,
+        "line" : 100,
         "column" : 8,
         "source_fragment" : "verify_checksum( ..."
       },
@@ -461,7 +458,7 @@
       "id" : 1,
       "source_info" : {
         "filename" : "p4src/echo.p4",
-        "line" : 128,
+        "line" : 120,
         "column" : 8,
         "source_fragment" : "update_checksum( ..."
       },
@@ -542,126 +539,81 @@
       }
     },
     {
-      "name" : "set_egress",
+      "name" : "fwd_act",
       "id" : 2,
-      "runtime_data" : [],
-      "primitives" : [
-        {
-          "op" : "prime",
-          "parameters" : []
-        },
-        {
-          "op" : "assign",
-          "parameters" : [
-            {
-              "type" : "field",
-              "value" : ["scalars", "temp"]
-            },
+      "runtime_data" : [
         {
-              "type" : "field",
-              "value" : ["ipv4", "dstAddr"]
+          "name" : "port",
+          "bitwidth" : 16
         }
       ],
-          "source_info" : {
-            "filename" : "p4src/echo.p4",
-            "line" : 16,
-            "column" : 8,
-            "source_fragment" : "bit<32> temp = hdr.ipv4.dstAddr;"
-          }
-        },
+      "primitives" : [
         {
           "op" : "assign",
           "parameters" : [
             {
               "type" : "field",
-              "value" : ["ipv4", "dstAddr"]
+              "value" : ["standard_metadata", "egress_spec"]
             },
             {
-              "type" : "field",
-              "value" : ["ipv4", "srcAddr"]
+              "type" : "runtime_data",
+              "value" : 0
             }
           ],
           "source_info" : {
             "filename" : "p4src/echo.p4",
-            "line" : 17,
+            "line" : 13,
             "column" : 8,
-            "source_fragment" : "hdr.ipv4.dstAddr = hdr.ipv4.srcAddr"
+            "source_fragment" : "standard_metadata.egress_spec = port"
           }
-        },
-        {
-          "op" : "assign",
-          "parameters" : [
-            {
-              "type" : "field",
-              "value" : ["ipv4", "srcAddr"]
-            },
-            {
-              "type" : "field",
-              "value" : ["scalars", "temp"]
         }
       ],
       "source_info" : {
         "filename" : "p4src/echo.p4",
-            "line" : 18,
-            "column" : 8,
-            "source_fragment" : "hdr.ipv4.srcAddr = temp"
+        "line" : 12,
+        "column" : 29,
+        "source_fragment" : "fwd_act"
       }
     },
     {
-          "op" : "assign",
-          "parameters" : [
+      "name" : "dispatch_act",
+      "id" : 3,
+      "runtime_data" : [
         {
-              "type" : "field",
-              "value" : ["udp", "dstPort"]
+          "name" : "dstAddr",
+          "bitwidth" : 32
         },
         {
-              "type" : "hexstr",
-              "value" : "0x2328"
-            }
-          ],
-          "source_info" : {
-            "filename" : "p4src/echo.p4",
-            "line" : 19,
-            "column" : 8,
-            "source_fragment" : "hdr.udp.dstPort = 9000"
-          }
+          "name" : "dstPort",
+          "bitwidth" : 16
         },
         {
-          "op" : "assign",
-          "parameters" : [
-            {
-              "type" : "field",
-              "value" : ["scalars", "tempEth"]
+          "name" : "ethernetAddr",
+          "bitwidth" : 48
         },
         {
-              "type" : "field",
-              "value" : ["ethernet", "dstAddr"]
+          "name" : "egress_port",
+          "bitwidth" : 16
         }
       ],
-          "source_info" : {
-            "filename" : "p4src/echo.p4",
-            "line" : 20,
-            "column" : 8,
-            "source_fragment" : "bit<48> tempEth = hdr.ethernet.dstAddr;"
-          }
-        },
+      "primitives" : [
         {
           "op" : "assign",
           "parameters" : [
             {
               "type" : "field",
-              "value" : ["ethernet", "dstAddr"]
+              "value" : ["ipv4", "dstAddr"]
             },
             {
-              "type" : "field",
-              "value" : ["ethernet", "srcAddr"]
+              "type" : "runtime_data",
+              "value" : 0
             }
           ],
           "source_info" : {
             "filename" : "p4src/echo.p4",
-            "line" : 21,
+            "line" : 26,
             "column" : 8,
-            "source_fragment" : "hdr.ethernet.dstAddr = hdr.ethernet.srcAddr"
+            "source_fragment" : "hdr.ipv4.dstAddr = dstAddr"
           }
         },
         {
@@ -669,18 +621,18 @@
           "parameters" : [
             {
               "type" : "field",
-              "value" : ["ethernet", "srcAddr"]
+              "value" : ["udp", "dstPort"]
             },
             {
-              "type" : "field",
-              "value" : ["scalars", "tempEth"]
+              "type" : "runtime_data",
+              "value" : 1
             }
           ],
           "source_info" : {
             "filename" : "p4src/echo.p4",
-            "line" : 22,
+            "line" : 27,
             "column" : 8,
-            "source_fragment" : "hdr.ethernet.srcAddr = tempEth"
+            "source_fragment" : "hdr.udp.dstPort = dstPort"
           }
         },
         {
@@ -688,18 +640,18 @@
           "parameters" : [
             {
               "type" : "field",
-              "value" : ["standard_metadata", "egress_spec"]
+              "value" : ["map_hdr", "data"]
             },
             {
-              "type" : "field",
-              "value" : ["standard_metadata", "ingress_port"]
+              "type" : "hexstr",
+              "value" : "0x00000063"
             }
           ],
           "source_info" : {
             "filename" : "p4src/echo.p4",
-            "line" : 23,
+            "line" : 28,
             "column" : 8,
-            "source_fragment" : "standard_metadata.egress_spec = standard_metadata.ingress_port"
+            "source_fragment" : "hdr.map_hdr.data = 99"
           }
         },
         {
@@ -707,61 +659,20 @@
           "parameters" : [
             {
               "type" : "field",
-              "value" : ["ipv4", "ttl"]
+              "value" : ["ethernet", "dstAddr"]
             },
             {
-              "type" : "expression",
-              "value" : {
-                "type" : "expression",
-                "value" : {
-                  "op" : "&",
-                  "left" : {
-                    "type" : "expression",
-                    "value" : {
-                      "op" : "+",
-                      "left" : {
-                        "type" : "field",
-                        "value" : ["ipv4", "ttl"]
-                      },
-                      "right" : {
-                        "type" : "hexstr",
-                        "value" : "0xff"
-                      }
-                    }
-                  },
-                  "right" : {
-                    "type" : "hexstr",
-                    "value" : "0xff"
-                  }
-                }
-              }
+              "type" : "runtime_data",
+              "value" : 2
             }
           ],
           "source_info" : {
             "filename" : "p4src/echo.p4",
-            "line" : 24,
+            "line" : 29,
             "column" : 8,
-            "source_fragment" : "hdr.ipv4.ttl = hdr.ipv4.ttl - 8w1"
-          }
-        }
-      ],
-      "source_info" : {
-        "filename" : "p4src/echo.p4",
-        "line" : 12,
-        "column" : 32,
-        "source_fragment" : "set_egress"
+            "source_fragment" : "hdr.ethernet.dstAddr = ethernetAddr"
           }
         },
-    {
-      "name" : "fwd_act",
-      "id" : 3,
-      "runtime_data" : [
-        {
-          "name" : "port",
-          "bitwidth" : 16
-        }
-      ],
-      "primitives" : [
         {
           "op" : "assign",
           "parameters" : [
@@ -770,84 +681,50 @@
               "value" : ["standard_metadata", "egress_spec"]
             },
             {
-              "type" : "runtime_data",
-              "value" : 0
+              "type" : "field",
+              "value" : ["standard_metadata", "ingress_port"]
             }
           ],
           "source_info" : {
             "filename" : "p4src/echo.p4",
-            "line" : 28,
+            "line" : 35,
             "column" : 8,
-            "source_fragment" : "standard_metadata.egress_spec = port"
+            "source_fragment" : "standard_metadata.egress_spec = standard_metadata.ingress_port"
           }
         }
       ],
       "source_info" : {
         "filename" : "p4src/echo.p4",
-        "line" : 27,
-        "column" : 29,
-        "source_fragment" : "fwd_act"
+        "line" : 25,
+        "column" : 34,
+        "source_fragment" : "dispatch_act"
       }
     },
     {
-      "name" : "dispatch_act",
+      "name" : "act",
       "id" : 4,
-      "runtime_data" : [
-        {
-          "name" : "dstAddr",
-          "bitwidth" : 32
-        },
-        {
-          "name" : "dstPort",
-          "bitwidth" : 16
-        }
-      ],
+      "runtime_data" : [],
       "primitives" : [
         {
           "op" : "assign",
           "parameters" : [
             {
               "type" : "field",
-              "value" : ["ipv4", "dstAddr"]
+              "value" : ["map_hdr", "data"]
             },
             {
-              "type" : "runtime_data",
-              "value" : 0
-            }
-          ],
-          "source_info" : {
-            "filename" : "p4src/echo.p4",
-            "line" : 41,
-            "column" : 8,
-            "source_fragment" : "hdr.ipv4.dstAddr = dstAddr"
-          }
-        },
-        {
-          "op" : "assign",
-          "parameters" : [
-            {
-              "type" : "field",
-              "value" : ["udp", "dstPort"]
-            },
-            {
-              "type" : "runtime_data",
-              "value" : 1
+              "type" : "hexstr",
+              "value" : "0x00000064"
             }
           ],
           "source_info" : {
             "filename" : "p4src/echo.p4",
-            "line" : 42,
-            "column" : 8,
-            "source_fragment" : "hdr.udp.dstPort = dstPort"
-          }
+            "line" : 52,
+            "column" : 9,
+            "source_fragment" : "hdr.map_hdr.data = 32w100"
           }
-      ],
-      "source_info" : {
-        "filename" : "p4src/echo.p4",
-        "line" : 40,
-        "column" : 34,
-        "source_fragment" : "dispatch_act"
         }
+      ]
     },
     {
       "name" : "fix_checksum",
@@ -868,7 +745,7 @@
           ],
           "source_info" : {
             "filename" : "p4src/echo.p4",
-            "line" : 85,
+            "line" : 77,
             "column" : 8,
             "source_fragment" : "hdr.udp.checksum = 16w0"
           }
@@ -876,7 +753,7 @@
       ],
       "source_info" : {
         "filename" : "p4src/echo.p4",
-        "line" : 84,
+        "line" : 76,
         "column" : 33,
         "source_fragment" : "fix_checksum"
       }
@@ -895,7 +772,7 @@
       "init_table" : "node_2",
       "tables" : [
         {
-          "name" : "tbl_set_egress",
+          "name" : "tbl_act",
           "id" : 0,
           "key" : [],
           "match_type" : "exact",
@@ -904,14 +781,14 @@
           "with_counters" : false,
           "support_timeout" : false,
           "direct_meters" : null,
-          "action_ids" : [2],
-          "actions" : ["set_egress"],
-          "base_default_next" : null,
+          "action_ids" : [4],
+          "actions" : ["act"],
+          "base_default_next" : "dispatch",
           "next_tables" : {
-            "set_egress" : null
+            "act" : "dispatch"
           },
           "default_entry" : {
-            "action_id" : 2,
+            "action_id" : 4,
             "action_const" : true,
             "action_data" : [],
             "action_entry_const" : true
@@ -922,14 +799,14 @@
           "id" : 1,
           "source_info" : {
             "filename" : "p4src/echo.p4",
-            "line" : 45,
+            "line" : 41,
             "column" : 29,
             "source_fragment" : "dispatch"
           },
           "key" : [
             {
               "match_type" : "exact",
-              "target" : ["map_hdr", "chain_id"],
+              "target" : ["map_hdr", "function_id"],
               "mask" : null
             }
           ],
@@ -939,12 +816,12 @@
           "with_counters" : false,
           "support_timeout" : false,
           "direct_meters" : null,
-          "action_ids" : [4, 1],
+          "action_ids" : [3, 1],
           "actions" : ["dispatch_act", "NoAction"],
-          "base_default_next" : "fwd",
+          "base_default_next" : null,
           "next_tables" : {
-            "dispatch_act" : "fwd",
-            "NoAction" : "fwd"
+            "dispatch_act" : null,
+            "NoAction" : null
           },
           "default_entry" : {
             "action_id" : 1,
@@ -958,7 +835,7 @@
           "id" : 2,
           "source_info" : {
             "filename" : "p4src/echo.p4",
-            "line" : 31,
+            "line" : 16,
             "column" : 24,
             "source_fragment" : "fwd"
           },
@@ -975,7 +852,7 @@
           "with_counters" : false,
           "support_timeout" : false,
           "direct_meters" : null,
-          "action_ids" : [3, 0],
+          "action_ids" : [2, 0],
           "actions" : ["fwd_act", "NoAction"],
           "base_default_next" : null,
           "next_tables" : {
@@ -997,52 +874,9 @@
           "id" : 0,
           "source_info" : {
             "filename" : "p4src/echo.p4",
-            "line" : 55,
+            "line" : 51,
             "column" : 12,
-            "source_fragment" : "hdr.ipv4.isValid() && hdr.udp.dstPort == 8889"
-          },
-          "expression" : {
-            "type" : "expression",
-            "value" : {
-              "op" : "and",
-              "left" : {
-                "type" : "expression",
-                "value" : {
-                  "op" : "d2b",
-                  "left" : null,
-                  "right" : {
-                    "type" : "field",
-                    "value" : ["ipv4", "$valid$"]
-                  }
-                }
-              },
-              "right" : {
-                "type" : "expression",
-                "value" : {
-                  "op" : "==",
-                  "left" : {
-                    "type" : "field",
-                    "value" : ["udp", "dstPort"]
-                  },
-                  "right" : {
-                    "type" : "hexstr",
-                    "value" : "0x22b9"
-                  }
-                }
-              }
-            }
-          },
-          "true_next" : "tbl_set_egress",
-          "false_next" : "node_4"
-        },
-        {
-          "name" : "node_4",
-          "id" : 1,
-          "source_info" : {
-            "filename" : "p4src/echo.p4",
-            "line" : 60,
-            "column" : 16,
-            "source_fragment" : "hdr.ipv4.isValid() && hdr.udp.dstPort == 8080"
+            "source_fragment" : "hdr.ipv4.isValid() && hdr.udp.dstPort == 8000"
           },
           "expression" : {
             "type" : "expression",
@@ -1069,13 +903,13 @@
                   },
                   "right" : {
                     "type" : "hexstr",
-                    "value" : "0x1f90"
+                    "value" : "0x1f40"
                   }
                 }
               }
             }
           },
-          "true_next" : "dispatch",
+          "true_next" : "tbl_act",
           "false_next" : "fwd"
         }
       ]
@@ -1085,7 +919,7 @@
       "id" : 1,
       "source_info" : {
         "filename" : "p4src/echo.p4",
-        "line" : 69,
+        "line" : 61,
         "column" : 8,
         "source_fragment" : "egress"
       },
@@ -1161,29 +995,7 @@
   ],
   "force_arith" : [],
   "extern_instances" : [],
-  "extern_function_instances" : [
-    {
-      "name" : "prime",
-      "id" : 0,
-      "source_info" : {
-        "filename" : "p4src/echo.p4",
-        "line" : 8,
-        "column" : 12,
-        "source_fragment" : "prime"
-      }
-    }
-  ],
+  "extern_function_instances" : [],
   "field_aliases" : [],
-  "flow_variables" : [
-    {
-      "flow" : "ingress",
-      "header" : "scalars",
-      "field" : "temp"
-    },
-    {
-      "flow" : "ingress",
-      "header" : "scalars",
-      "field" : "tempEth"
-    }
-  ]
+  "flow_variables" : []
 }
\ No newline at end of file

dispatch_system/dispatch_manager/nic/p4src/echo.p4

@@ -9,21 +9,6 @@ extern void prime();
 
 control ingress(inout headers hdr, inout metadata meta, inout standard_metadata_t standard_metadata) {
 
-    @name(".set_egress") action set_egress() {
-
-        prime();
-        
-        bit<32> temp = hdr.ipv4.dstAddr;
-        hdr.ipv4.dstAddr = hdr.ipv4.srcAddr;
-        hdr.ipv4.srcAddr = temp;
-        hdr.udp.dstPort = 9000;
-        bit<48> tempEth = hdr.ethernet.dstAddr;
-        hdr.ethernet.dstAddr = hdr.ethernet.srcAddr;
-        hdr.ethernet.srcAddr = tempEth;
-        standard_metadata.egress_spec = standard_metadata.ingress_port;
-        hdr.ipv4.ttl = hdr.ipv4.ttl - 8w1;
-    }
-
     @name(".fwd_act") action fwd_act(bit<16> port) {
         standard_metadata.egress_spec = port;
     }
@@ -37,9 +22,20 @@ control ingress(inout headers hdr, inout metadata meta, inout standard_metadata_
         }
     }
 
-    @name(".dispatch_act") action dispatch_act(bit<32> dstAddr, bit<16> dstPort) {
+    @name(".dispatch_act") action dispatch_act(bit<32> dstAddr, bit<16> dstPort, bit<48> ethernetAddr , bit<16> egress_port) {
         hdr.ipv4.dstAddr = dstAddr;
         hdr.udp.dstPort = dstPort;
+        hdr.map_hdr.data = 99;
+        hdr.ethernet.dstAddr = ethernetAddr;
+        // standard_metadata.egress_port = egress_port;
+        
+        // bit<48> tempEth = hdr.ethernet.dstAddr;
+        // hdr.ethernet.dstAddr = hdr.ethernet.srcAddr;
+        // hdr.ethernet.srcAddr = tempEth;
+        standard_metadata.egress_spec = standard_metadata.ingress_port;
+        // hdr.ipv4.ttl = hdr.ipv4.ttl - 8w1;
+
+
     }
 
     @name(".dispatch") table dispatch {
@@ -47,22 +43,18 @@ control ingress(inout headers hdr, inout metadata meta, inout standard_metadata_
             dispatch_act;
         }
         key = {
-            hdr.map_hdr.chain_id : exact;
+            hdr.map_hdr.function_id : exact;
         }
     }
 
     apply {
-        if (hdr.ipv4.isValid() && hdr.udp.dstPort == MDS_PORT) {
-	        // hdr.map_hdr.data = 32w100;
-            
-            set_egress();
-        } else {
-            if (hdr.ipv4.isValid() && hdr.udp.dstPort == 8080) {
+        if (hdr.ipv4.isValid() && hdr.udp.dstPort == DISPATCHER_PORT) {
+	        hdr.map_hdr.data = 32w100;
             dispatch.apply();
-            }
+            // fwd.apply();
+        } else {
             fwd.apply();
         }
-        //fwd.apply();
     }
 }
 

dispatch_system/dispatch_manager/nic/p4src/echo.p4info.json

@@ -36,7 +36,7 @@
    "matchFields": [
     {
      "id": 1,
-     "name": "map_hdr.chain_id",
+     "name": "map_hdr.function_id",
      "bitwidth": 32,
      "matchType": "EXACT"
     }
@@ -63,13 +63,6 @@
     "alias": "NoAction"
    }
   },
-  {
-   "preamble": {
-    "id": 16816129,
-    "name": "set_egress",
-    "alias": "set_egress"
-   }
-  },
   {
    "preamble": {
     "id": 16805069,
@@ -100,6 +93,16 @@
      "id": 2,
      "name": "dstPort",
      "bitwidth": 16
+    },
+    {
+     "id": 3,
+     "name": "ethernetAddr",
+     "bitwidth": 48
+    },
+    {
+     "id": 4,
+     "name": "egress_port",
+     "bitwidth": 16
     }
    ]
   },

dispatch_system/dispatch_manager/nic/p4src/echo.yml

@@ -33,12 +33,6 @@ ing_metadata:
     -   _padding: 2
     type: metadata
 
-ingress::set_egress::scalars:
-    fields:
-    -   temp: 32
-    -   tempEth: 48
-    type: metadata
-
 ipv4:
     calculated_fields:
     -   condition: valid(ipv4)
@@ -68,7 +62,7 @@ map_hdr:
     fields:
     -   chain_id: 32
     -   exec_id: 32
-    -   function_id: 8
+    -   function_id: 32
     -   data: 32
     -   function_count: 8
     -   f0: 8
@@ -214,7 +208,7 @@ parser:
             start -> exit [value="default", mask="none", order="1"]
             parse_ipv4 -> parse_udp [value="0x00000511", mask="0x00000fff", order="0"]
             parse_ipv4 -> exit [value="default", mask="none", order="1"]
-            parse_udp -> parse_map_hdr [value="0x22b9", mask="none", order="0"]
+            parse_udp -> parse_map_hdr [value="0x1f40", mask="none", order="0"]
             parse_udp -> parse_map_hdr [value="0x2328", mask="none", order="1"]
             parse_udp -> exit [value="default", mask="none", order="2"]
             parse_map_hdr -> exit [value="default", mask="none", order="0"]
@@ -223,25 +217,6 @@ parser:
     type: parser
 
 
-##########################################
-# External functions                     #
-##########################################
-
-prime__0:
-    name: prime
-    type: external_action
-
-
-##########################################
-# Action Expressions                     #
-##########################################
-
-_expression_set_egress_0:
-    expression: ((((ipv4.ttl) + (0xff))) & (0xff))
-    format: bracketed_expr
-    type: expression
-
-
 ##########################################
 # Action sets                            #
 ##########################################
@@ -249,18 +224,29 @@ _expression_set_egress_0:
 egress::fix_checksum:
     implementation: modify_field(udp.checksum, 0x0000);
     src_filename: p4src/echo.p4
-    src_lineno: 84
+    src_lineno: 76
+    type: action
+
+ingress::act:
+    implementation: modify_field(map_hdr.data, 0x00000064);
+    src_filename: ''
+    src_lineno: 1
     type: action
 
 ingress::dispatch_act:
     implementation: |-
         modify_field(ipv4.dstAddr, dstAddr);
         modify_field(udp.dstPort, dstPort);
+        modify_field(map_hdr.data, 0x00000063);
+        modify_field(ethernet.dstAddr, ethernetAddr);
+        modify_field(standard_metadata.egress_spec, standard_metadata.ingress_port);
     parameter_list:
     -   dstAddr: 32
     -   dstPort: 16
+    -   ethernetAddr: 48
+    -   egress_port: 16
     src_filename: p4src/echo.p4
-    src_lineno: 40
+    src_lineno: 25
     type: action
 
 ingress::fwd_act:
@@ -268,22 +254,6 @@ ingress::fwd_act:
     parameter_list:
     -   port: 16
     src_filename: p4src/echo.p4
-    src_lineno: 27
-    type: action
-
-ingress::set_egress:
-    implementation: |-
-        prime();
-        modify_field(ingress::set_egress::scalars.temp, ipv4.dstAddr);
-        modify_field(ipv4.dstAddr, ipv4.srcAddr);
-        modify_field(ipv4.srcAddr, ingress::set_egress::scalars.temp);
-        modify_field(udp.dstPort, 0x2328);
-        modify_field(ingress::set_egress::scalars.tempEth, ethernet.dstAddr);
-        modify_field(ethernet.dstAddr, ethernet.srcAddr);
-        modify_field(ethernet.srcAddr, ingress::set_egress::scalars.tempEth);
-        modify_field(standard_metadata.egress_spec, standard_metadata.ingress_port);
-        modify_field(ipv4.ttl, _expression_set_egress_0);
-    src_filename: p4src/echo.p4
     src_lineno: 12
     type: action
 
@@ -307,10 +277,10 @@ ingress::dispatch:
     allowed_actions:
     - ingress::dispatch_act
     match_on:
-        map_hdr.chain_id: exact
+        map_hdr.function_id: exact
     max_entries: 1025
     src_filename: p4src/echo.p4
-    src_lineno: 45
+    src_lineno: 41
     type: table
 
 ingress::fwd:
@@ -320,14 +290,14 @@ ingress::fwd:
         standard_metadata.ingress_port: exact
     max_entries: 1025
     src_filename: p4src/echo.p4
-    src_lineno: 31
+    src_lineno: 16
     type: table
 
-ingress::tbl_set_egress:
+ingress::tbl_act:
     allowed_actions:
-    - ingress::set_egress
+    - ingress::act
     default_entry:
-        action: ingress::set_egress
+        action: ingress::act
         const: true
     max_entries: 1025
     src_filename: ''
@@ -340,17 +310,10 @@ ingress::tbl_set_egress:
 ##########################################
 
 _condition_0:
-    condition: (((valid(ipv4))) and (((udp.dstPort) == (8889))))
-    format: bracketed_expr
-    src_filename: p4src/echo.p4
-    src_lineno: 55
-    type: conditional
-
-_condition_1:
-    condition: (((valid(ipv4))) and (((udp.dstPort) == (8080))))
+    condition: (((valid(ipv4))) and (((udp.dstPort) == (8000))))
     format: bracketed_expr
     src_filename: p4src/echo.p4
-    src_lineno: 60
+    src_lineno: 51
     type: conditional
 
 
@@ -363,13 +326,11 @@ ingress_flow:
     format: dot
     implementation: |-
         digraph {
-            "_condition_0" -> "_condition_1" [condition = false]
-            "_condition_0" -> "ingress::tbl_set_egress" [condition = true]
-            "_condition_1" -> "ingress::fwd" [condition = false]
-            "_condition_1" -> "ingress::dispatch" [condition = true]
+            "_condition_0" -> "ingress::fwd" [condition = false]
+            "_condition_0" -> "ingress::tbl_act" [condition = true]
             "ingress::fwd" -> "exit_control_flow" [action = always]
-            "ingress::dispatch" -> "ingress::fwd" [action = always]
-            "ingress::tbl_set_egress" -> "exit_control_flow" [action = always]
+            "ingress::tbl_act" -> "ingress::dispatch" [action = always]
+            "ingress::dispatch" -> "exit_control_flow" [action = always]
         }
     start_state: _condition_0
     type: control_flow
@@ -421,7 +382,7 @@ layout:
 ##########################################
 
 source_info:
-    date: 2021/02/22 11:12:59
+    date: 2021/03/01 20:59:20
     output_file: p4src/echo.yml
     p4_version: '16'
     source_files:

dispatch_system/dispatch_manager/nic/p4src/includes/defines.p4

 #define REPLY_PORT 9000
-#define MDS_PORT 8889
+#define DISPATCHER_PORT 8000
 #define NUM_CACHE 128
 #define CLUSTER_COUNT 2
 #define DEAD_EGRESS_PORT 9

dispatch_system/dispatch_manager/nic/p4src/includes/headers.p4

@@ -43,7 +43,7 @@ header udp_t {
 header map_hdr_t {
     bit<32> chain_id;
     bit<32> exec_id;
-    bit<8> function_id;
+    bit<32> function_id;
     bit<32> data;
     bit<8> function_count;
     bit<8>  f0;

dispatch_system/dispatch_manager/nic/p4src/includes/parsers.p4

@@ -11,7 +11,7 @@ parser ParserImpl(packet_in packet, out headers hdr, inout metadata meta, inout
     @name(".parse_udp") state parse_udp {
         packet.extract<udp_t>(hdr.udp);
         transition select(hdr.udp.dstPort) {
-            MDS_PORT: parse_map_hdr;
+            DISPATCHER_PORT: parse_map_hdr;
             REPLY_PORT: parse_map_hdr;
             default: accept;
         }

dispatch_system/dispatch_manager/nic/receive_reply.py

+import socket
+import struct
+import time
+import thread
+import argparse
+
+NC_PORT = 8000
+
+parser = argparse.ArgumentParser(description='Mininet demo')
+parser.add_argument('--client-ip', help='IP of client',
+                    type=str, action="store", required=True)
+
+args = parser.parse_args()
+
+CLIENT_IP = args.client_ip
+# CLIENT_IP = "192.168.0.105"
+
+len_key = 16
+counter = 0
+s = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
+s.bind((CLIENT_IP, NC_PORT))
+while True:
+    packet, addr = s.recvfrom(1024)
+    # print packet
+    counter = counter + 1
+    base = 0
+    chain_id = struct.unpack(">I", packet[base:base + 4])[0]
+    base += 4
+    exec_id = struct.unpack(">I", packet[base:base + 4])[0]
+    base += 4
+    function_id = struct.unpack(">I", packet[base:base + 4])[0]
+    base += 1
+    data = struct.unpack(">I", packet[base:base + 4])[0]
+    base += 4
+    function_count = struct.unpack("B", packet[base])[0]
+    print chain_id, exec_id, data, "function_id", function_id, function_count
+    data = []
+    for i in range(1, 6):
+        data.append(int(struct.unpack("B", packet[i+base])[0]))
+    print data
\ No newline at end of file

dispatch_system/dispatch_manager/nic/send.py

+import socket
+import struct
+import time
+import threading
+import random
+import time
+
+import argparse
+
+parser = argparse.ArgumentParser(description='Mininet demo')
+parser.add_argument('--client-port', help='Port of client',
+                    type=int, action="store", required=True)
+
+parser.add_argument('--send-data', help='Data to send',
+                    type=int, action="store", required=False)
+
+parser.add_argument('--fid', help='Funtion id',
+                    type=int, action="store", required=False)
+
+parser.add_argument('--closed', help='Closed loop',
+                    type=int, action="store", required=True)
+
+group = parser.add_mutually_exclusive_group(required=True)
+# group.add_argument('--bandwidth', help='Bandwidth',
+#                     type=int, action="store")
+group.add_argument('--rps', help='Requests per second',
+                   type=int, action="store")
+group.add_argument('--req-count', help='Number of requests to send',
+                   type=int, action="store")
+parser.add_argument('--offload', help='offload a portion of workloads',
+                    type=float, action="store")
+
+
+args = parser.parse_args()
+print args.send_data
+PORT = args.client_port
+dataInt = args.send_data
+fid = args.fid
+SERVER_IP = "192.168.2.2"
+
+egress_time = []
+ingress_time = []
+stop_thread = False
+
+
+def receive():
+    global egress_time, stop_thread
+    CLIENT_IP = "0.0.0.0"
+    s = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
+    s.bind((CLIENT_IP, 7070))
+    print "listening to {} at port {}".format(CLIENT_IP, 9000)
+    run_status = {}
+
+    while True:
+        if stop_thread:
+            break
+        packet, addr = s.recvfrom(1024)
+        # print packet
+        base = 0
+        chain_id = struct.unpack(">I", packet[base:base + 4])[0]
+        base += 4
+        exec_id = struct.unpack(">I", packet[base:base + 4])[0]
+        base += 4
+        function_id = struct.unpack(">I", packet[base:base + 4])[0]
+        base += 1
+        data = struct.unpack(">I", packet[base:base + 4])[0]
+        base += 4
+        function_count = struct.unpack("B", packet[base])[0]
+        print "rec", chain_id, exec_id, data, function_id, function_count
+
+
+def genPacket():
+    global fid
+    packet = None
+    exec_id = random.randint(0, 16384)
+    chain_id = 1
+    # data = 100
+    function_count = 5
+    function_id = fid if (fid) else 0
+    f0 = 0
+    f1 = 0
+    f2 = 2
+    f3 = 6
+    f4 = 2
+    print chain_id, exec_id, "function_id", function_id, function_count, \
+        f0, f1, f2, f3, f4
+    offload_status = False
+    chain_id = struct.pack(">I", chain_id)  # chain id
+    exec_id = struct.pack(">I", exec_id)  # execution id
+    if args.offload is not None:
+        max_workload = 100
+        dataInt = random.randint(1, max_workload)
+        cutoff = max_workload * args.offload
+        if dataInt <= cutoff:
+            data = struct.pack(">I", dataInt * 256)  # data
+            offload_status = True
+        else:
+            data = struct.pack(">I", dataInt)  # data
+    else:
+        data = struct.pack(">I", dataInt)  # data
+    # print "{0:b}".format(data)
+    function_count = struct.pack("B", function_count)  # function count
+    function_id = struct.pack(">I", function_id)  # function count
+    f0 = struct.pack("B", f0)  # f0
+    f1 = struct.pack("B", f1)  # f1
+    f2 = struct.pack("B", f2)  # f2 -> f0
+    f3 = struct.pack("B", f3)  # f3 -> f1 f2
+    f4 = struct.pack("B", f4)  # f4 -> f3
+    packet = chain_id + exec_id + function_id + data + function_count + \
+        f0 + f1 + f2 + f3 + f4
+    # print dataInt, offload_status
+    return packet, offload_status
+
+
+def sendThread(start_time, runtime, sleep_time, s):
+    global ingress_time
+    while True:
+            packet, offload_status = genPacket()
+
+            if time.time() - start_time > runtime:
+                break
+            s.sendto(packet, (SERVER_IP, PORT))
+            ingress_time.append(time.time())
+            time.sleep(sleep_time)
+
+
+def send():
+    global egress_time, ingress_time
+    s = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
+    print "Sending packet to %s at port %s" % (SERVER_IP, PORT)
+    print "chain id, exec id, data, function count, functions dependencies..."
+
+    # op = struct.unpack("B", packet[0])
+    packet, _ = genPacket()
+    if args.req_count is not None:
+        for i in range(args.req_count):
+            s.sendto(packet, (SERVER_IP, PORT))
+            ingress_time.append(time.time())
+            # print "%.20f" % time.time()
+            # time.sleep(2)
+            # break
+
+    elif args.offload is None and args.rps is not None:
+        runtime = 10
+        start_time = time.time()
+        sleep_time = 1 / float(args.rps)
+        print "calculated inter-arrival time", sleep_time
+        while True:
+            if time.time() - start_time > runtime:
+                break
+            s.sendto(packet, (SERVER_IP, PORT))
+            ingress_time.append(time.time())
+            time.sleep(sleep_time)
+
+    elif args.offload is not None:
+
+        runtime = 10
+        thread_count = 8
+        start_time = time.time()
+        sleep_time = 1 / float(args.rps) * thread_count
+        print "calculated inter-arrival time, offload mode", sleep_time
+        for i in range(thread_count):
+            t = threading.Thread(target=sendThread, args=[
+                                 start_time, runtime, sleep_time, s])
+            t.daemon = True
+            t.start()
+        time.sleep(runtime)
+
+    stop_thread = True
+    # s.sendto(packet, (SERVER_IP, PORT))
+    # r.join()
+
+
+# r.join()
+if args.closed == 1:
+    r = threading.Thread(name="receive", target=receive)
+    r.daemon = True
+    r.start()
+
+time.sleep(1)
+send()

dispatch_system/dispatch_manager/nic/send.sh

+python2 send.py --client-port 8000 --closed 1 --offload 0 --rps 1 --send-data 0 --closed 1 --fid 1
\ No newline at end of file

dispatch_system/dispatch_manager/nic/send_docker.sh

+#! /bin/bash -ex
+
+start_docker=0
+copy_send=0
+
+location=$(pwd)
+while getopts 'sc' flag; do
+  case "${flag}" in
+    s) start_docker=1 ;;
+    c) copy_send=1 ;;
+    i) assign_ip_flag=1 ;;
+  esac
+done
+
+if [[ $start_docker -eq 1 ]]
+then
+    # start python docker container
+    docker run --rm -dit --net pub_net --name send python
+fi
+
+if [[ $copy_send -eq 1 ]]
+then
+    # start python docker container
+    docker cp send.py send:/
+    docker cp send.sh send:/
+fi
+
+docker exec -it send /bin/bash
\ No newline at end of file

dispatch_system/dispatch_manager/nic/smartnic_dispatch_monitor.py

@@ -15,6 +15,24 @@ actions = '''{  "type" : "ingress::dispatch_act",
     "dstPort" : { "value" : "%d" } } }''' % ("192.168.2.2", 8080)
 print actions
 # RTEInterface.Tables.AddRule(tableId, rule_name, default_rule, actions)
+default_rule = False
+ip = "192.168.2.4"
+port = 7070
+actions = '''{  
+                "type" : "ingress::dispatch_act",  
+                "data" : { 
+                    "dstAddr" : { "value" : "%s" }, 
+                    "dstPort" : { "value" : "%d" } ,
+                    "egress_port": { "value": "v0.1" },
+                    "ethernetAddr": { "value": "02:42:c0:a8:02:04" }
+                } 
+            }''' % (ip, \
+                int(port))
+print actions
+# % (data.param3)
+match = '{ "map_hdr.function_id" : {  "value" : %d} } ' % (1)
+print match
+RTEInterface.Tables.AddRule(tableId, rule_name, default_rule, match, actions)
 ruleList = RTEInterface.Tables.ListRules(tableId)
 print ruleList
 
@@ -28,7 +46,9 @@ for msg in consumer:
         print worker, worker[u'node_id']
         print str(worker[u'node_id']).strip()
         print int(worker[u'portExternal'])
-    
+        functionHash = worker[u'functionHash']
+        functionHash = int(functionHash[0:5], 16)
+        print functionHash
         default_rule = False
         actions = '''{  "type" : "ingress::dispatch_act",  
             "data" : { "dstAddr" : { "value" : "%s" }, 
@@ -36,10 +56,29 @@ for msg in consumer:
                 int(worker[u'portExternal']))
         print actions
         # % (data.param3)
-        match = '{ "map_hdr.chain_id" : {  "value" : "0"} } '
+        match = '{ "map_hdr.function_id" : {  "value" : %d} } ' % (0)
+        print match
         RTEInterface.Tables.AddRule(tableId, rule_name, default_rule, match, actions)
         ruleList = RTEInterface.Tables.ListRules(tableId)
         print ruleList
     
     elif msg.topic == "removeWorker":
+        # msg = msg.value.decode('utf-8')
+        # # worker = str(msg.value)
+        # # worker = ast.literal_eval(json.dumps(worker))
+        # worker = json.loads(msg)
+        # print worker, worker[u'node_id']
+        # print str(worker[u'node_id']).strip()
+        # print int(worker[u'portExternal'])
     
+        # default_rule = False
+        # actions = '''{  "type" : "ingress::dispatch_act",  
+        #     "data" : { "dstAddr" : { "value" : "%s" }, 
+        #     "dstPort" : { "value" : "%d" } } }''' % (str(worker[u'node_id']).strip(), \
+        #         int(worker[u'portExternal']))
+        # print actions
+        # # % (data.param3)
+        # match = '{ "map_hdr.chain_id" : {  "value" : "0"} } '
+        # RTEInterface.Tables.AddRule(tableId, rule_name, default_rule, match, actions)
+        # ruleList = RTEInterface.Tables.ListRules(tableId)
+        print ruleList

dispatch_system/dispatch_manager/nic/workspace.code-workspace

@@ -2,9 +2,6 @@
 	"folders": [
 		{
 			"path": "../.."
-		},
-		{
-			"path": "../../../../test/offload"
 		}
 	],
 	"settings": {}

dispatch_system/dispatch_manager/pack.js

 const struct = require('./jspack/jspack')
 
-f0 = 0; f1 = 0; f2 = 2; f3 = 6; f4 = 2
-a = []
-chain_id = struct.PackTo(">I", chain_id) 
-exec_id = struct.PackTo(">I", exec_id)  
+function unpackPacket(packet) {
+    // let buffer = new Array(1024)
+    let chain_id = null; exec_id = null, function_count = null, function_id = null
+    let base = 0
+    chain_id = struct.Unpack(">I", packet, base)
+    base += 4
+    exec_id = struct.Unpack(">I", packet, base)
+    base += 4
+    function_id = struct.Unpack("B", packet, base)
+    base += 1
+    data = struct.Unpack(">I", packet, base)
+    base += 4
+    function_count = struct.Unpack("B", packet, base)
 
-dataInt = random.randint(1, 1000)
-data = struct.PackTo(">I", dataInt)
-
-function_count = struct.PackTo("B", function_count)
-function_id = struct.PackTo("B", function_id)
-f0 = struct.PackTo("B", f0) 
-f1 = struct.PackTo("B", f1) 
-f2 = struct.PackTo("B", f2) 
-f3 = struct.PackTo("B", f3) 
-f4 = struct.PackTo("B", f4) 
-
-
-base = 0
-// chain_id = struct.unpack(">I", )
-// base += 4
-// exec_id = struct.unpack(">I", packet[base: base + 4])[0]
-// base += 4
-// function_id = struct.unpack("B", packet[base])[0]
-// base += 1
-// data = struct.unpack(">I", packet[base: base + 4])[0]
-base += 4
\ No newline at end of file
+    console.log("chain_id", chain_id, "exec_id", exec_id, "data", data, "function_count", function_count, "function_id", function_id)
+}
\ No newline at end of file

dispatch_system/dispatch_manager/package.json

@@ -15,6 +15,7 @@
     "express-fileupload": "^1.1.6",
     "heap": "^0.2.6",
     "isolated-vm": "^3.0.0",
+    "jspack": "^0.0.4",
     "kafka-logger": "^7.1.0",
     "kafka-node": "^5.0.0",
     "morgan": "^1.9.1",

dispatch_system/dispatch_manager/repository/worker_env/env_udp.js

@@ -9,6 +9,9 @@ const { spawnSync, execSync } = require('child_process');
 // const { logger } = require('../../lib');
 const server = dgram.createSocket('udp4');
 const udpProxy = dgram.createSocket('udp4');
+let struct = require('jspack')
+struct = struct.jspack
+
 
 const app = express()
 let port = 5000, resource_id, functionHash, runtime, idleTime = 600, flagFirstRequest = true
@@ -125,14 +128,14 @@ server.on('error', (err) => {
 });
 
 server.on('message', (msg, rinfo) => {
-    console.log("message", msg)
-    let payload = {}
-    // console.log(payload, typeof payload);
+    // console.log("message", msg)
+    let payload = unpackPacket(msg)
+    console.log(payload, typeof payload);
     lastRequest = Date.now()
     totalRequest++
     executor(payload).then(result => {
-        result = ""
-        
+        result = packPacket(payload)
+        console.log(result)
         try {
             udpProxy.send(result, 0, result.length, "8080", "192.168.2.2", function (err, bytes) {
                 if (err)
@@ -146,6 +149,50 @@ server.on('message', (msg, rinfo) => {
     })
 });
 
+function unpackPacket(packet) {
+    // let buffer = new Array(1024)
+    let chain_id = null, exec_id = null, function_count = null, function_id = null, data = null
+    let base = 0
+    chain_id = struct.Unpack(">I", packet, base)
+    base += 4
+    exec_id = struct.Unpack(">I", packet, base)
+    base += 4
+    function_id = struct.Unpack(">I", packet, base)
+    base += 1
+    data = struct.Unpack(">I", packet, base)
+    base += 4
+    function_count = struct.Unpack("B", packet, base)
+
+    console.log("chain_id", chain_id, "exec_id", exec_id, "data", data, "function_count", function_count, "function_id", function_id)
+
+
+    return {
+        chain_id: chain_id[0],
+        exec_id: exec_id[0],
+        data: data[0],
+        function_count: function_count[0],
+        function_id: function_id[0]
+    }
+}
+
+function packPacket(dataPacket) {
+
+    let message = new Array(1024)
+    let base = 0, chain_id, exec_id, function_id, data, function_count
+    chain_id = struct.PackTo(">I", message, base, [dataPacket.chain_id])
+    base += 4
+    exec_id = struct.PackTo(">I", message, base, [dataPacket.exec_id])
+    base += 4
+    function_id = struct.PackTo(">I", message, base, [dataPacket.function_id])
+    base += 1
+    data = struct.PackTo(">I", message, base, [dataPacket.data])
+    base += 4
+    function_count = struct.PackTo("B", message, base, [dataPacket.function_count])
+    message = Buffer.from(message)
+    return message
+}
+
+
 server.on('listening', () => {
     const address = server.address();
     console.log(`server listening ${address.address}:${address.port}`);

dispatch_system/dispatch_manager/repository/worker_env/package-lock.json

 {
   "name": "worker_env",
   "version": "1.0.0",
-  "lockfileVersion": 1,
+  "lockfileVersion": 2,
   "requires": true,
+  "packages": {
+    "": {
+      "version": "1.0.0",
+      "license": "ISC",
+      "dependencies": {
+        "body-parser": "^1.19.0",
+        "express": "^4.17.1",
+        "jspack": "^0.0.4",
+        "kafka-node": "^5.0.0",
+        "morgan": "^1.9.1",
+        "request": "^2.88.2"
+      }
+    },
+    "node_modules/accepts": {
+      "version": "1.3.7",
+      "resolved": "https://registry.npmjs.org/accepts/-/accepts-1.3.7.tgz",
+      "integrity": "sha512-Il80Qs2WjYlJIBNzNkK6KYqlVMTbZLXgHx2oT0pU/fjRHyEp+PEfEPY0R3WCwAGVOtauxh1hOxNgIf5bv7dQpA==",
+      "dependencies": {
+        "mime-types": "~2.1.24",
+        "negotiator": "0.6.2"
+      },
+      "engines": {
+        "node": ">= 0.6"
+      }
+    },
+    "node_modules/ajv": {
+      "version": "6.12.0",
+      "resolved": "https://registry.npmjs.org/ajv/-/ajv-6.12.0.tgz",
+      "integrity": "sha512-D6gFiFA0RRLyUbvijN74DWAjXSFxWKaWP7mldxkVhyhAV3+SWA9HEJPHQ2c9soIeTFJqcSdFDGFgdqs1iUU2Hw==",
+      "dependencies": {
+        "fast-deep-equal": "^3.1.1",
+        "fast-json-stable-stringify": "^2.0.0",
+        "json-schema-traverse": "^0.4.1",
+        "uri-js": "^4.2.2"
+      }
+    },
+    "node_modules/ansi-regex": {
+      "version": "2.1.1",
+      "resolved": "https://registry.npmjs.org/ansi-regex/-/ansi-regex-2.1.1.tgz",
+      "integrity": "sha1-w7M6te42DYbg5ijwRorn7yfWVN8=",
+      "optional": true,
+      "engines": {
+        "node": ">=0.10.0"
+      }
+    },
+    "node_modules/aproba": {
+      "version": "1.2.0",
+      "resolved": "https://registry.npmjs.org/aproba/-/aproba-1.2.0.tgz",
+      "integrity": "sha512-Y9J6ZjXtoYh8RnXVCMOU/ttDmk1aBjunq9vO0ta5x85WDQiQfUF9sIPBITdbiiIVcBo03Hi3jMxigBtsddlXRw==",
+      "optional": true
+    },
+    "node_modules/are-we-there-yet": {
+      "version": "1.1.5",
+      "resolved": "https://registry.npmjs.org/are-we-there-yet/-/are-we-there-yet-1.1.5.tgz",
+      "integrity": "sha512-5hYdAkZlcG8tOLujVDTgCT+uPX0VnpAH28gWsLfzpXYm7wP6mp5Q/gYyR7YQ0cKVJcXJnl3j2kpBan13PtQf6w==",
+      "optional": true,
+      "dependencies": {
+        "delegates": "^1.0.0",
+        "readable-stream": "^2.0.6"
+      }
+    },
+    "node_modules/array-flatten": {
+      "version": "1.1.1",
+      "resolved": "https://registry.npmjs.org/array-flatten/-/array-flatten-1.1.1.tgz",
+      "integrity": "sha1-ml9pkFGx5wczKPKgCJaLZOopVdI="
+    },
+    "node_modules/asn1": {
+      "version": "0.2.4",
+      "resolved": "https://registry.npmjs.org/asn1/-/asn1-0.2.4.tgz",
+      "integrity": "sha512-jxwzQpLQjSmWXgwaCZE9Nz+glAG01yF1QnWgbhGwHI5A6FRIEY6IVqtHhIepHqI7/kyEyQEagBC5mBEFlIYvdg==",
+      "dependencies": {
+        "safer-buffer": "~2.1.0"
+      }
+    },
+    "node_modules/assert-plus": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/assert-plus/-/assert-plus-1.0.0.tgz",
+      "integrity": "sha1-8S4PPF13sLHN2RRpQuTpbB5N1SU=",
+      "engines": {
+        "node": ">=0.8"
+      }
+    },
+    "node_modules/async": {
+      "version": "2.6.3",
+      "resolved": "https://registry.npmjs.org/async/-/async-2.6.3.tgz",
+      "integrity": "sha512-zflvls11DCy+dQWzTW2dzuilv8Z5X/pjfmZOWba6TNIVDm+2UDaJmXSOXlasHKfNBs8oo3M0aT50fDEWfKZjXg==",
+      "dependencies": {
+        "lodash": "^4.17.14"
+      }
+    },
+    "node_modules/asynckit": {
+      "version": "0.4.0",
+      "resolved": "https://registry.npmjs.org/asynckit/-/asynckit-0.4.0.tgz",
+      "integrity": "sha1-x57Zf380y48robyXkLzDZkdLS3k="
+    },
+    "node_modules/aws-sign2": {
+      "version": "0.7.0",
+      "resolved": "https://registry.npmjs.org/aws-sign2/-/aws-sign2-0.7.0.tgz",
+      "integrity": "sha1-tG6JCTSpWR8tL2+G1+ap8bP+dqg=",
+      "engines": {
+        "node": "*"
+      }
+    },
+    "node_modules/aws4": {
+      "version": "1.9.1",
+      "resolved": "https://registry.npmjs.org/aws4/-/aws4-1.9.1.tgz",
+      "integrity": "sha512-wMHVg2EOHaMRxbzgFJ9gtjOOCrI80OHLG14rxi28XwOW8ux6IiEbRCGGGqCtdAIg4FQCbW20k9RsT4y3gJlFug=="
+    },
+    "node_modules/balanced-match": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/balanced-match/-/balanced-match-1.0.0.tgz",
+      "integrity": "sha1-ibTRmasr7kneFk6gK4nORi1xt2c="
+    },
+    "node_modules/basic-auth": {
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+      "resolved": "https://registry.npmjs.org/basic-auth/-/basic-auth-2.0.1.tgz",
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+        "safe-buffer": "5.1.2"
+      },
+      "engines": {
+        "node": ">= 0.8"
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+      }
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+      "integrity": "sha1-n2BVO8XOjDOG87VTz/R0Yq3sqnk=",
+      "dependencies": {
+        "buffers": "~0.1.1",
+        "chainsaw": "~0.1.0"
+      }
+    },
+    "node_modules/bindings": {
+      "version": "1.5.0",
+      "resolved": "https://registry.npmjs.org/bindings/-/bindings-1.5.0.tgz",
+      "integrity": "sha512-p2q/t/mhvuOj/UeLlV6566GD/guowlr0hHxClI0W9m7MWYkL1F0hLo+0Aexs9HSPCtR1SXQ0TD3MMKrXZajbiQ==",
+      "optional": true,
+      "dependencies": {
+        "file-uri-to-path": "1.0.0"
+      }
+    },
+    "node_modules/bl": {
+      "version": "2.2.0",
+      "resolved": "https://registry.npmjs.org/bl/-/bl-2.2.0.tgz",
+      "integrity": "sha512-wbgvOpqopSr7uq6fJrLH8EsvYMJf9gzfo2jCsL2eTy75qXPukA4pCgHamOQkZtY5vmfVtjB+P3LNlMHW5CEZXA==",
+      "dependencies": {
+        "readable-stream": "^2.3.5",
+        "safe-buffer": "^5.1.1"
+      }
+    },
+    "node_modules/body-parser": {
+      "version": "1.19.0",
+      "resolved": "https://registry.npmjs.org/body-parser/-/body-parser-1.19.0.tgz",
+      "integrity": "sha512-dhEPs72UPbDnAQJ9ZKMNTP6ptJaionhP5cBb541nXPlW60Jepo9RV/a4fX4XWW9CuFNK22krhrj1+rgzifNCsw==",
+      "dependencies": {
+        "bytes": "3.1.0",
+        "content-type": "~1.0.4",
+        "debug": "2.6.9",
+        "depd": "~1.1.2",
+        "http-errors": "1.7.2",
+        "iconv-lite": "0.4.24",
+        "on-finished": "~2.3.0",
+        "qs": "6.7.0",
+        "raw-body": "2.4.0",
+        "type-is": "~1.6.17"
+      },
+      "engines": {
+        "node": ">= 0.8"
+      }
+    },
+    "node_modules/brace-expansion": {
+      "version": "1.1.11",
+      "resolved": "https://registry.npmjs.org/brace-expansion/-/brace-expansion-1.1.11.tgz",
+      "integrity": "sha512-iCuPHDFgrHX7H2vEI/5xpz07zSHB00TpugqhmYtVmMO6518mCuRMoOYFldEBl0g187ufozdaHgWKcYFb61qGiA==",
+      "dependencies": {
+        "balanced-match": "^1.0.0",
+        "concat-map": "0.0.1"
+      }
+    },
+    "node_modules/buffer-crc32": {
+      "version": "0.2.13",
+      "resolved": "https://registry.npmjs.org/buffer-crc32/-/buffer-crc32-0.2.13.tgz",
+      "integrity": "sha1-DTM+PwDqxQqhRUq9MO+MKl2ackI=",
+      "engines": {
+        "node": "*"
+      }
+    },
+    "node_modules/buffermaker": {
+      "version": "1.2.1",
+      "resolved": "https://registry.npmjs.org/buffermaker/-/buffermaker-1.2.1.tgz",
+      "integrity": "sha512-IdnyU2jDHU65U63JuVQNTHiWjPRH0CS3aYd/WPaEwyX84rFdukhOduAVb1jwUScmb5X0JWPw8NZOrhoLMiyAHQ==",
+      "dependencies": {
+        "long": "1.1.2"
+      }
+    },
+    "node_modules/buffers": {
+      "version": "0.1.1",
+      "resolved": "https://registry.npmjs.org/buffers/-/buffers-0.1.1.tgz",
+      "integrity": "sha1-skV5w77U1tOWru5tmorn9Ugqt7s=",
+      "engines": {
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+      }
+    },
+    "node_modules/bytes": {
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+      "resolved": "https://registry.npmjs.org/bytes/-/bytes-3.1.0.tgz",
+      "integrity": "sha512-zauLjrfCG+xvoyaqLoV8bLVXXNGC4JqlxFCutSDWA6fJrTo2ZuvLYTqZ7aHBLZSMOopbzwv8f+wZcVzfVTI2Dg==",
+      "engines": {
+        "node": ">= 0.8"
+      }
+    },
+    "node_modules/caseless": {
+      "version": "0.12.0",
+      "resolved": "https://registry.npmjs.org/caseless/-/caseless-0.12.0.tgz",
+      "integrity": "sha1-G2gcIf+EAzyCZUMJBolCDRhxUdw="
+    },
+    "node_modules/chainsaw": {
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+      "resolved": "https://registry.npmjs.org/chainsaw/-/chainsaw-0.1.0.tgz",
+      "integrity": "sha1-XqtQsor+WAdNDVgpE4iCi15fvJg=",
+      "dependencies": {
+        "traverse": ">=0.3.0 <0.4"
+      }
+    },
+    "node_modules/chownr": {
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+      "resolved": "https://registry.npmjs.org/chownr/-/chownr-1.1.4.tgz",
+      "integrity": "sha512-jJ0bqzaylmJtVnNgzTeSOs8DPavpbYgEr/b0YL8/2GO3xJEhInFmhKMUnEJQjZumK7KXGFhUy89PrsJWlakBVg==",
+      "optional": true
+    },
+    "node_modules/code-point-at": {
+      "version": "1.1.0",
+      "resolved": "https://registry.npmjs.org/code-point-at/-/code-point-at-1.1.0.tgz",
+      "integrity": "sha1-DQcLTQQ6W+ozovGkDi7bPZpMz3c=",
+      "optional": true,
+      "engines": {
+        "node": ">=0.10.0"
+      }
+    },
+    "node_modules/combined-stream": {
+      "version": "1.0.8",
+      "resolved": "https://registry.npmjs.org/combined-stream/-/combined-stream-1.0.8.tgz",
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+      "dependencies": {
+        "delayed-stream": "~1.0.0"
+      },
+      "engines": {
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+    },
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+      "integrity": "sha1-OhBcoXBTr1XW4nDB+CiGguGNpAA=",
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+        "core-util-is": "1.0.2",
+        "extsprintf": "^1.2.0"
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+    "node_modules/which-pm-runs": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/which-pm-runs/-/which-pm-runs-1.0.0.tgz",
+      "integrity": "sha1-Zws6+8VS4LVd9rd4DKdGFfI60cs=",
+      "optional": true
+    },
+    "node_modules/wide-align": {
+      "version": "1.1.3",
+      "resolved": "https://registry.npmjs.org/wide-align/-/wide-align-1.1.3.tgz",
+      "integrity": "sha512-QGkOQc8XL6Bt5PwnsExKBPuMKBxnGxWWW3fU55Xt4feHozMUhdUMaBCk290qpm/wG5u/RSKzwdAC4i51YigihA==",
+      "optional": true,
+      "dependencies": {
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+      }
+    },
+    "node_modules/wrappy": {
+      "version": "1.0.2",
+      "resolved": "https://registry.npmjs.org/wrappy/-/wrappy-1.0.2.tgz",
+      "integrity": "sha1-tSQ9jz7BqjXxNkYFvA0QNuMKtp8=",
+      "optional": true
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   "dependencies": {
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@@ -611,6 +2190,11 @@
       "resolved": "https://registry.npmjs.org/json-stringify-safe/-/json-stringify-safe-5.0.1.tgz",
       "integrity": "sha1-Epai1Y/UXxmg9s4B1lcB4sc1tus="
     },
+    "jspack": {
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+      "resolved": "https://registry.npmjs.org/jspack/-/jspack-0.0.4.tgz",
+      "integrity": "sha1-Mt01x/3LPjRWwY+7fvntC8YjgXc="
+    },
     "jsprim": {
       "version": "1.4.1",
       "resolved": "https://registry.npmjs.org/jsprim/-/jsprim-1.4.1.tgz",
@@ -1111,6 +2695,14 @@
       "resolved": "https://registry.npmjs.org/statuses/-/statuses-1.5.0.tgz",
       "integrity": "sha1-Fhx9rBd2Wf2YEfQ3cfqZOBR4Yow="
     },
+    "string_decoder": {
+      "version": "1.1.1",
+      "resolved": "https://registry.npmjs.org/string_decoder/-/string_decoder-1.1.1.tgz",
+      "integrity": "sha512-n/ShnvDi6FHbbVfviro+WojiFzv+s8MPMHBczVePfUpDJLwoLT0ht1l4YwBCbi8pJAveEEdnkHyPyTP/mzRfwg==",
+      "requires": {
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@@ -1122,14 +2714,6 @@
         "strip-ansi": "^3.0.0"
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dispatch_system/dispatch_manager/repository/worker_env/package.json

@@ -11,6 +11,7 @@
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     "express": "^4.17.1",
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     "kafka-node": "^5.0.0",
     "morgan": "^1.9.1",
     "request": "^2.88.2"