simulation scripts updated/awk scripts added

.gitignore

@@ -1,4 +1,2 @@
 nimbledeps/*
 *.exe
-stew/*
-nim-stew-master/*

Dockerfile

@@ -1,30 +0,0 @@
-# Create the build image
-FROM nimlang/nim:1.6.18 as build
-
-# Copy the wls files to the production image
-WORKDIR /node
-COPY . .
-
-RUN git config --global http.sslVerify false
-
-RUN nimble install -dy
-
-RUN nimble c -d:chronicles_colors=None --threads:on -d:metrics -d:libp2p_network_protocols_metrics  -d:release main
-
-
-FROM nimlang/nim:1.6.18
-
-RUN apt-get install cron -y
-
-WORKDIR /node
-
-COPY --from=build /node/main /node/main
-
-COPY cron_runner.sh .
-
-RUN chmod +x cron_runner.sh
-RUN chmod +x main
-
-EXPOSE 5000 8008
-
-ENTRYPOINT ["./cron_runner.sh"]

README.md

@@ -8,11 +8,13 @@
 ```sh
 nimble install -dy
 cd shadow
-# the default shadow.yml will start 5k nodes, you might want to change that by removing
-# lines and setting PEERS to the number of instances
-./run.sh
-# the output is a "latencies" file, or you can find each host output in the
-# data.shadow folder
+./run.sh x n
+# The run.sh file runs the simulation "x" number of times and every simulation run uses "n" number of nodes
+# The number of nodes is maintained in the shadow.yaml file, and automatically updated by run.sh.
+# The output files latencies(x), stats(x) and shadowlog(x) carries the outputs for each simulation run.
+# The summary_dontwant.awk, summary_latency.awk, and summary_shadowlog.awk parse the output files.
+# The run.sh script automatically calls these files to display the output
+# a temperary data.shadow folder is created for each simulation and removed by the run.sh after the simulation is over
 
 # you can use the plotter tool to extract useful metrics & generate a graph
 cd ../tools

cron_runner.sh

@@ -1,22 +0,0 @@
-#!/bin/bash
-
-if [ "$#" -ne 2 ]; then
-    echo "Usage: $0 <minutes> <hours>"
-    exit 1
-fi
-
-minutes="$1"
-hours="$2"
-
-cron_expression="$minutes $hours * * *"
-
-cron_job_file="/etc/cron.d/my-cron-job"
-echo -e "$cron_expression /node/main  > /proc/1/fd/1 2>&1 \n" > "$cron_job_file"
-
-echo "Cron job file created at $cron_job_file"
-
-env >> /etc/environment
-
-crontab /etc/cron.d/my-cron-job
-
-cron -f

runner.sh

@@ -1,18 +0,0 @@
-#!/bin/bash
-
-custom_network_name="my_custom_network"
-num_peers=10
-
-if ! docker network inspect "$custom_network_name" >/dev/null 2>&1; then
-  docker network create "$custom_network_name"
-  docker network create --attachable --driver bridge "$custom_network_name"
-fi
-
-for ((i = 0; i < num_peers; i++)); do
-    # Construct the hostname (e.g., peer1, peer2, ...)
-    hostname="pod-$i"
-
-    # Run the Docker container with the current hostname
-    docker run -e PEERSPERPOD="1" -e PEERS="10" -e CONNECTTO="5" -e MSGRATE="1000" -e MSGSIZE="1000" -e PEERNUMBER="0" --hostname="$hostname" --network="$custom_network_name" dst-test-node &
-
-done

shadow/main.nim

@@ -1,8 +1,8 @@
 import stew/endians2, stew/byteutils, tables, strutils, os
-import libp2p, libp2p/protocols/pubsub/rpc/messages
-import libp2p/muxers/mplex/lpchannel, libp2p/protocols/ping
+import ../../nim-libp2p/libp2p, ../../nim-libp2p/libp2p/protocols/pubsub/rpc/messages
+import ../../nim-libp2p/libp2p/muxers/mplex/lpchannel, ../../nim-libp2p/libp2p/protocols/ping
 import chronos
-import sequtils, hashes, math, metrics, metrics/chronos_httpserver
+import sequtils, hashes, math, metrics
 from times import getTime, toUnix, fromUnix, `-`, initTime, `$`, inMilliseconds
 from nativesockets import getHostname
 
@@ -11,44 +11,20 @@ const chunks = 1
 proc msgIdProvider(m: Message): Result[MessageId, ValidationResult] =
   return ok(($m.data.hash).toBytes())
 
-proc startMetricsServer(
-    serverIp: IpAddress, serverPort: Port
-): Result[MetricsHttpServerRef, string] =
-  info "Starting metrics HTTP server", serverIp = $serverIp, serverPort = $serverPort
-
-  let metricsServerRes = MetricsHttpServerRef.new($serverIp, serverPort)
-  if metricsServerRes.isErr():
-    return err("metrics HTTP server start failed: " & $metricsServerRes.error)
-
-  let server = metricsServerRes.value
-  try:
-    waitFor server.start()
-  except CatchableError:
-    return err("metrics HTTP server start failed: " & getCurrentExceptionMsg())
-
-  info "Metrics HTTP server started", serverIp = $serverIp, serverPort = $serverPort
-  ok(metricsServerRes.value)
-
 proc main {.async.} =
   let
     hostname = getHostname()
-    myId = parseInt(getEnv("PEERNUMBER"))
-    msg_rate = parseInt(getEnv("MSGRATE"))
-    msg_size = parseInt(getEnv("MSGSIZE"))
-
+    myId = parseInt(hostname[4..^1])
     #publisherCount = client.param(int, "publisher_count")
-    publisherCount = parseInt(getEnv("PEERS"))
+    publisherCount = 10
     isPublisher = myId <= publisherCount
     #isAttacker = (not isPublisher) and myId - publisherCount <= client.param(int, "attacker_count")
     isAttacker = false
     rng = libp2p.newRng()
     #randCountry = rng.rand(distribCumSummed[^1])
     #country = distribCumSummed.find(distribCumSummed.filterIt(it >= randCountry)[0])
-  echo "Hostname: ", hostname
   let
-    myport = 5000 + parseInt(getEnv("PEERNUMBER"))
-    myaddress = "0.0.0.0:" & $myport
-    address = initTAddress(myaddress)
+    address = initTAddress("0.0.0.0:5000")
     switch =
       SwitchBuilder
         .new()
@@ -56,7 +32,7 @@ proc main {.async.} =
         .withRng(rng)
         #.withYamux()
         .withMplex()
-        .withMaxConnections(250)
+        .withMaxConnections(10000)
         .withTcpTransport(flags = {ServerFlags.TcpNoDelay})
         #.withPlainText()
         .withNoise()
@@ -69,20 +45,16 @@ proc main {.async.} =
       anonymize = true,
       )
     pingProtocol = Ping.new(rng=rng)
-  # Metrics
-  echo "Starting metrics HTTP server"
-  let metricsServer = startMetricsServer(parseIpAddress("0.0.0.0"), Port(8008))
-
-  gossipSub.parameters.floodPublish = true
+  gossipSub.parameters.floodPublish = false
   #gossipSub.parameters.lazyPushThreshold = 1_000_000_000
   #gossipSub.parameters.lazyPushThreshold = 0
   gossipSub.parameters.opportunisticGraftThreshold = -10000
-  gossipSub.parameters.heartbeatInterval = 1.seconds
-  gossipSub.parameters.pruneBackoff = 60.seconds
-  gossipSub.parameters.gossipFactor = 0.25
-  gossipSub.parameters.d = 6
-  gossipSub.parameters.dLow = 4
-  gossipSub.parameters.dHigh = 8
+  gossipSub.parameters.heartbeatInterval = 700.milliseconds
+  gossipSub.parameters.pruneBackoff = 3.seconds
+  gossipSub.parameters.gossipFactor = 0.05
+  gossipSub.parameters.d = 8
+  gossipSub.parameters.dLow = 6
+  gossipSub.parameters.dHigh = 12
   gossipSub.parameters.dScore = 6
   gossipSub.parameters.dOut = 6 div 2
   gossipSub.parameters.dLazy = 6
@@ -124,12 +96,14 @@ proc main {.async.} =
   switch.mount(gossipSub)
   switch.mount(pingProtocol)
   await switch.start()
+  #TODO
   #defer: await switch.stop()
 
   echo "Listening on ", switch.peerInfo.addrs
   echo myId, ", ", isPublisher, ", ", switch.peerInfo.peerId
-  echo "Waiting 60 seconds for node building..."
-  await sleepAsync(60.seconds)
+
+  var peersInfo = toSeq(1..parseInt(getEnv("PEERS")))
+  rng.shuffle(peersInfo)
 
   proc pinger(peerId: PeerId) {.async.} =
     try:
@@ -146,58 +120,48 @@ proc main {.async.} =
 
   let connectTo = parseInt(getEnv("CONNECTTO"))
   var connected = 0
-  let tAddress = "nimp2p-service:5000"
-  var addrs: seq[MultiAddress]
-
-  echo "Trying to resolve ", tAddress
-  while true:
-    try:
-      addrs = resolveTAddress(tAddress).mapIt(MultiAddress.init(it).tryGet())
-      echo tAddress, " resolved: ", addrs
-      break  # Break out of the loop on successful resolution
-    except CatchableError as exc:
-      echo "Failed to resolve address:", exc.msg
-      echo "Waiting 15 seconds..."
-      await sleepAsync(15.seconds)
-
-  rng.shuffle(addrs)
-  var index = 0
-  while true:
+  for peerInfo in peersInfo:
     if connected >= connectTo: break
-    while true:
-      try:
-        echo "Trying to connect to ", addrs[index]
-        let peerId = await switch.connect(addrs[index], allowUnknownPeerId=true).wait(5.seconds)
-        #asyncSpawn pinger(peerId)
-        connected.inc()
-        index.inc()
-        echo "Connected!"
-        break
-      except CatchableError as exc:
-        echo "Failed to dial", exc.msg
-        echo "Waiting 15 seconds..."
-        await sleepAsync(15.seconds)
+    let tAddress = "peer" & $peerInfo & ":5000"
+    echo tAddress
+    let addrs = resolveTAddress(tAddress).mapIt(MultiAddress.init(it).tryGet())
+    try:
+      let peerId = await switch.connect(addrs[0], allowUnknownPeerId=true).wait(5.seconds)
+      #asyncSpawn pinger(peerId)
+      connected.inc()
+    except CatchableError as exc:
+      echo "Failed to dial", exc.msg
 
   #let
   #  maxMessageDelay = client.param(int, "max_message_delay")
   #  warmupMessages = client.param(int, "warmup_messages")
   #startOfTest = Moment.now() + milliseconds(warmupMessages * maxMessageDelay div 2)
 
+  await sleepAsync(10.seconds)
   echo "Mesh size: ", gossipSub.mesh.getOrDefault("test").len
 
-  let turnToPublish = parseInt(getHostname()[4..^1])
-  echo "Publishing turn is: ", turnToPublish
-  for msg in 0 ..< 10000:#client.param(int, "message_count"):
-    await sleepAsync(msg_rate)
-    if msg mod publisherCount == turnToPublish:
-      echo "Sending message at: " ,times.getTime()
+  for msg in 0 ..< 10:#client.param(int, "message_count"):
+    await sleepAsync(12.seconds)
+    if msg mod publisherCount == myId - 1:
+    #if myId == 1:
       let
         now = getTime()
         nowInt = seconds(now.toUnix()) + nanoseconds(times.nanosecond(now))
-      var nowBytes = @(toBytesLE(uint64(nowInt.nanoseconds))) & newSeq[byte](msg_size)
-      doAssert((await gossipSub.publish("test", nowBytes)) > 0)
+      #var nowBytes = @(toBytesLE(uint64(nowInt.nanoseconds))) & newSeq[byte](500_000 div chunks)
+      var nowBytes = @(toBytesLE(uint64(nowInt.nanoseconds))) & newSeq[byte](50)
+      #echo "sending ", uint64(nowInt.nanoseconds)
+      for chunk in 0..<chunks:
+        nowBytes[10] = byte(chunk)
+        doAssert((await gossipSub.publish("test", nowBytes)) > 0)
 
   #echo "BW: ", libp2p_protocols_bytes.value(labelValues=["/meshsub/1.1.0", "in"]) + libp2p_protocols_bytes.value(labelValues=["/meshsub/1.1.0", "out"])
   #echo "DUPS: ", libp2p_gossipsub_duplicate.value(), " / ", libp2p_gossipsub_received.value()
-
-waitFor(main())
+  #requires exporting counters from GossipSub.nim
+  echo "statcounters: dup_during_validation ", libp2p_gossipsub_duplicate_during_validation.value(),
+       "\tidontwant_saves ", libp2p_gossipsub_idontwant_saved_messages.value(),
+       #"gossip optimization saves ", libp2p_gossipsub_saved_bytes.value(),
+       "\tdup_received ", libp2p_gossipsub_duplicate.value(),
+       "\tUnique_msg_received ", libp2p_gossipsub_received.value(),
+       "\tStaggered_Saves ", libp2p_gossipsub_staggerSave.value(),
+       "\tDontWant_IN_Stagger ", libp2p_gossipsub_staggerDontWantSave.value()
+waitFor(main())

shadow/run.sh

@@ -0,0 +1,36 @@
+#!/bin/sh
+
+if [ $# -ne 2 ]; then
+    echo "Usage: $0 <runs> <nodes>"
+    exit 1
+fi
+
+runs="$1"			#number of simulation runs
+nodes="$2"			#number of nodes to simulate
+shadow_file="shadow.yaml"	
+sed -i '/environment:/q' "$shadow_file"
+sed -E -i "s/\"PEERS\": \"[0-9]+\"/\"PEERS\": \"$nodes\"/" "$shadow_file"
+
+counter=2
+while [ $counter -le $nodes ]; do
+  echo "  peer$counter: *client_host" >> "$shadow_file"
+  counter=$((counter + 1))
+done
+
+rm -f shadowlog* latencies* stats* main && rm -rf shadow.data/
+nim c -d:chronicles_colors=None --threads:on -d:metrics -d:libp2p_network_protocols_metrics -d:release main 
+
+for i in $(seq $runs); do
+    echo "Running for turn "$i
+    shadow shadow.yaml > shadowlog$i && 
+        grep -rne 'milliseconds\|BW' shadow.data/ > latencies$i && 
+        grep -rne 'statcounters:' shadow.data/ > stats$i
+    rm -rf shadow.data/
+done
+
+for i in $(seq $runs); do
+    echo "Summary for turn "$i
+    awk -f summary_latency.awk latencies$i
+    awk -f summary_shadowlog.awk shadowlog$i
+    awk -f summary_dontwant.awk stats$i    
+done

shadow/summary_dontwant.awk

@@ -0,0 +1,30 @@
+BEGIN {
+	FS = " ";		#default column separator
+	idontwant_saves = min_idontwant = max_idontwant = 0;
+    dup_received = min_dup = max_dup = 0;
+    unique_msg_received        = 0;
+    stagger_saves           = 0;
+    stagger_DontWantSaves   = 0;
+}
+
+{
+	#print $5, $7, $9
+    idontwant_saves += $5
+    if ($5 < min_idontwant || min_idontwant == 0)  min_idontwant  = $5
+    if ($5 > max_idontwant) max_idontwant = $5
+
+    dup_received += $7
+    if ($7 < min_dup || min_dup == 0)  min_dup  = $7
+    if ($7 > max_dup) max_dup = $7
+
+    unique_msg_received     += $9
+    stagger_saves           += $11
+    stagger_DontWantSaves   += $13
+
+}
+
+END {
+    print "idontwant_saves min, max, avg, total : ", min_idontwant, "\t", max_idontwant, "\t", idontwant_saves/NR, "\t", idontwant_saves 
+    print "dup_received    min, max, avg, total : ", min_dup, "\t", max_dup, "\t", dup_received/NR, "\t", dup_received
+    print "Unique_msg_received: ", unique_msg_received, "\tStagger Saves : ", stagger_saves, "\tStaggerDontWantSaves", stagger_DontWantSaves
+}

shadow/summary_latency.awk

@@ -0,0 +1,49 @@
+# we parse the latencies(x) file produced by run.sh to receive results summary (Max/Avg Latency --> per packet, overall)
+# runs $awk -f result_summary.awk latencies(x)
+
+BEGIN {
+	FS = " ";		#default column separator
+	network_size = 0
+	max_nw_lat = sum_nw_lat = 0
+	hop_lat = 100	#should be consistent with shadow.yaml
+}
+
+{
+	clean_int = $3
+	gsub(/[^0-9]/, "", clean_int); 
+	if ($3 == clean_int){	#get rid of unwanted rows
+		sum_nw_lat += $NF 
+		if (max_nw_lat < $NF) {max_nw_lat = $NF} 
+		if (split($1, arr, "peer|/main|:.*:")) {
+				#$3 = rx_latency,	arr[4] = publish_time,	arr[2] = peerID
+				lat_arr[arr[4], $3]++;	
+				msg_arr[arr[4]] = 1;	#we maintain set of messages identified by their publish time
+				if (network_size < arr[2]) {network_size = arr[2]}
+		}
+	}
+}
+
+END {
+
+	print "Total Nodes : ", network_size, "Total Messages Published : ", length(msg_arr), 
+            "Network Latency\t MAX : ", max_nw_lat, "\tAverage : ", sum_nw_lat/NR
+	print "   Message ID \t       Avg Latency \t Messages Received"
+	for (value in msg_arr) {
+		sum_rx_msgs = 0;
+        latency = 0;
+		for (key in lat_arr) {
+			split(key, parts, SUBSEP);
+			if (parts[1] == value) {
+				sum_rx_msgs = sum_rx_msgs + lat_arr[key]; 					#total receives / message
+				latency = latency + (lat_arr[key] * parts[2]) 
+				spread[ int((parts[2]) / hop_lat) ] = lat_arr[key]           #hop-by-hop spread count of messages
+	    	}
+	    }
+
+		print value, "\t", latency/sum_rx_msgs, "\t  ", sum_rx_msgs, "spread is", 
+                spread[1], spread[2], spread[3], spread[4], spread[5], spread[6], spread[7]   
+        delete spread
+    }
+}
+
+

shadow/summary_shadowlog.awk

@@ -0,0 +1,145 @@
+BEGIN {
+	FS = " ";			#column separator
+	fg_index = 7		#flags start index in $10
+	flag_size  = 12		#size of flags
+	local_in   = 0		#inbound-localhost-counters
+	local_out  = 1		#outbound-localhost-counters
+	remote_in  = 2		#inbound-remote-counters
+	remote_out = 3		#outbound-remote-counters
+}
+
+{
+    if ($9 == "[node]") {    
+        #$5: peer info,      $10: traffic stats, we need to split
+        peerlist[$5] = 1     #list for all peers
+
+        if (split($10, arr, ",|;")) {
+        #arr[2]: received bytes,    arr[3]: transferred bytes    
+            if (arr[2] > 0) {sum_rx[$5] += arr[2]} #bytes received
+            if (arr[3] > 0) {sum_tx[$5] += arr[3]} #bytes transferred
+
+            #inbound-localhost-counters
+            idx = fg_index + (flag_size * local_in)
+            #if (arr[idx] > 0) {
+                local_in_pkt[$5]				+= arr[idx]
+                local_in_bytes[$5]				+= arr[idx+1]
+                local_in_ctrl_pkt[$5]			+= arr[idx+2]
+                local_in_ctrl_hdr_bytes[$5]	    += arr[idx+3]
+                local_in_data_pkt[$5]			+= arr[idx+6]
+                local_in_data_hdr_bytes[$5]	    += arr[idx+7]
+                local_in_data_bytes[$5]		    += arr[idx+8]
+            #}
+            #outbound-localhost-counters
+            idx = fg_index + (flag_size * local_out)
+            #if (arr[idx] > 0) {
+                local_out_pkt[$5]				+= arr[idx]
+                local_out_bytes[$5]				+= arr[idx+1]
+                local_out_ctrl_pkt[$5]			+= arr[idx+2]
+                local_out_ctrl_hdr_bytes[$5]	+= arr[idx+3]
+                local_out_data_pkt[$5]			+= arr[idx+6]
+                local_out_data_hdr_bytes[$5]	+= arr[idx+7]
+                local_out_data_bytes[$5]		+= arr[idx+8]
+            #}
+            #inbound-remote-counters
+            idx = fg_index + (flag_size * remote_in)
+            #if (arr[idx] > 0) {
+                remote_in_pkt[$5]				+= arr[idx]
+                remote_in_bytes[$5]				+= arr[idx+1]
+                remote_in_ctrl_pkt[$5]			+= arr[idx+2]
+                remote_in_ctrl_hdr_bytes[$5]	+= arr[idx+3]
+                remote_in_data_pkt[$5]			+= arr[idx+6]
+                remote_in_data_hdr_bytes[$5]	+= arr[idx+7]
+                remote_in_data_bytes[$5]		+= arr[idx+8]
+            #}
+            #outbound-remote-counters
+            idx = fg_index + (flag_size * remote_out)
+            #if (arr[idx] > 0) {
+                remote_out_pkt[$5]				+= arr[idx]
+                remote_out_bytes[$5]			+= arr[idx+1]
+                remote_out_ctrl_pkt[$5]			+= arr[idx+2]
+                remote_out_ctrl_hdr_bytes[$5]	+= arr[idx+3]
+                remote_out_data_pkt[$5]			+= arr[idx+6]
+                remote_out_data_hdr_bytes[$5]	+= arr[idx+7]
+                remote_out_data_bytes[$5]		+= arr[idx+8]
+            #}
+
+        }		
+    } 
+}
+
+END {
+        nw_size = length(peerlist)
+        min_in  = max_in = min_out = max_out = sum_in = sum_out = avg_in = avg_out = 0
+        for (value in peerlist) {               #node specific tx/rx stats (bytes)
+            sum_in  += sum_rx[value]
+            sum_out += sum_tx[value]
+
+            if (sum_rx[value] < min_in  || min_in == 0)  min_in  = sum_rx[value]
+            if (sum_tx[value] < min_out || min_out == 0) min_out = sum_tx[value] 
+            if (sum_rx[value] > max_in)  max_in  = sum_rx[value]
+            if (sum_tx[value] > max_out) max_out = sum_tx[value] 
+        }
+        avg_in  = sum_in/nw_size
+        avg_out = sum_out/nw_size
+
+
+
+        for (value in peerlist) {
+
+            sum_sq_in  += (sum_rx[value] - avg_in) ^ 2      #for stddev
+            sum_sq_out += (sum_tx[value] - avg_out) ^ 2
+
+                sum_local_in_pkt               += local_in_pkt[value]
+                sum_local_in_bytes             += local_in_bytes[value]
+                sum_local_in_ctrl_pkt          += local_in_ctrl_pkt[value]
+                sum_local_in_ctrl_hdr_bytes    += local_in_ctrl_hdr_bytes[value]
+                sum_local_in_data_pkt          += local_in_data_pkt[value]
+                sum_local_in_data_hdr_bytes    += local_in_data_hdr_bytes[value]
+                sum_local_in_data_bytes        += local_in_data_bytes[value]
+
+                sum_local_out_pkt               += local_out_pkt[value]
+                sum_local_out_bytes             += local_out_bytes[value]
+                sum_local_out_ctrl_pkt          += local_out_ctrl_pkt[value]
+                sum_local_out_ctrl_hdr_bytes    += local_out_ctrl_hdr_bytes[value]
+                sum_local_out_data_pkt          += local_out_data_pkt[value]
+                sum_local_out_data_hdr_bytes    += local_out_data_hdr_bytes[value]
+                sum_local_out_data_bytes        += local_out_data_bytes[value]
+
+                sum_remote_in_pkt               += remote_in_pkt[value]
+                sum_romote_in_bytes             += remote_in_bytes[value]
+                sum_remote_in_ctrl_pkt          += remote_in_ctrl_pkt[value]
+                sum_remote_in_ctrl_hdr_bytes    += remote_in_ctrl_hdr_bytes[value]
+                sum_remote_in_data_pkt          += remote_in_data_pkt[value]
+                sum_remote_in_data_hdr_bytes    += remote_in_data_hdr_bytes[value]
+                sum_remote_in_data_bytes        +=remote_in_data_bytes[value]
+
+                sum_remote_out_pkt              +=remote_out_pkt[value]
+                sum_remote_out_bytes            +=remote_out_bytes[value]
+                sum_remote_out_ctrl_pkt         +=remote_out_ctrl_pkt[value]
+                sum_remote_out_ctrl_hdr_bytes   +=remote_out_ctrl_hdr_bytes[value] 
+                sum_remote_out_data_pkt         +=remote_out_data_pkt[value]
+                sum_remote_out_data_hdr_bytes   +=remote_out_data_hdr_bytes[value]
+                sum_remote_out_data_bytes       +=remote_out_data_bytes[value]
+
+            #}
+        }
+
+    print "\nTotal Bytes Received : ", sum_in, "Total Bytes Transferred : ", sum_out
+    print "Per Node Pkt Receives : min, max, avg, stddev = ", min_in, max_in, avg_in, sqrt(sum_sq_in/nw_size)
+    print "Per Node Pkt Transfers: min, max, avg, stddev = ", min_out, max_out, avg_out, sqrt(sum_sq_out/nw_size)    
+    
+
+    print "Details..."
+    #print "Local IN pkt: ", sum_local_in_pkt, "Bytes : ", sum_local_in_bytes, "ctrlPkt: ", sum_local_in_ctrl_pkt, "ctrlHdrBytes: ", sum_local_in_ctrl_hdr_bytes, 
+    #        "DataPkt: ", sum_local_in_data_pkt, "DataHdrBytes: ", sum_local_in_data_hdr_bytes, "DataBytes", sum_local_in_data_bytes
+    #print "Local OUT pkt: ", sum_local_out_pkt, "Bytes : ", sum_local_out_bytes, "ctrlPkt: ", sum_local_out_ctrl_pkt, "ctrlHdrBytes: ", sum_local_out_ctrl_hdr_bytes, 
+    #        "DataPkt: ", sum_local_out_data_pkt, "DataHdrBytes: ", sum_local_out_data_hdr_bytes, "DataBytes", sum_local_out_data_bytes
+    print "Remote IN pkt: ", sum_remote_in_pkt, "Bytes : ", sum_romote_in_bytes, "ctrlPkt: ", sum_remote_in_ctrl_pkt, "ctrlHdrBytes: ", sum_remote_in_ctrl_hdr_bytes, 
+            "DataPkt: ", sum_remote_in_data_pkt, "DataHdrBytes: ", sum_remote_in_data_hdr_bytes, "DataBytes", sum_remote_in_data_bytes
+    print "Remote OUT pkt: ", sum_remote_out_pkt, "Bytes : ", sum_romote_out_bytes, "ctrlPkt: ", sum_remote_out_ctrl_pkt, "ctrlHdrBytes: ", sum_remote_out_ctrl_hdr_bytes, 
+            "DataPkt: ", sum_remote_out_data_pkt, "DataHdrBytes: ", sum_remote_out_data_hdr_bytes, "DataBytes", sum_remote_out_data_bytes
+
+
+}
+
+

test_node.nimble

@@ -8,5 +8,5 @@ license       = "MIT"
 skipDirs      = @[]
 
 requires "nim >= 1.6.0",
-          "libp2p",
-          "ggplotnim"
+         "libp2p",
+         "ggplotnim"