[tor-commits] [sbws/master] fix: docs: Rename section, add diagrams
juga at torproject.org
juga at torproject.org
Fri Feb 26 10:18:07 UTC 2021
commit 81fef71ddfb7b34e6a7797b34593cf709e4c6caf
Author: juga0 <juga at riseup.net>
Date: Thu Feb 18 12:27:29 2021 +0000
fix: docs: Rename section, add diagrams
---
docs/source/activity_aggr_file.puml | 27 ++++++++++++
docs/source/activity_aggr_lines.puml | 36 ++++++++++++++++
docs/source/activity_scaling_as_torflow.puml | 35 ++++++++++++++++
docs/source/generator.rst | 20 +++++++--
docs/source/images/activity_aggr_file.svg | 40 ++++++++++++++++++
docs/source/images/activity_aggr_lines.svg | 49 ++++++++++++++++++++++
docs/source/images/activity_scaling_as_torflow.svg | 47 +++++++++++++++++++++
7 files changed, 251 insertions(+), 3 deletions(-)
diff --git a/docs/source/activity_aggr_file.puml b/docs/source/activity_aggr_file.puml
new file mode 100644
index 0000000..04be253
--- /dev/null
+++ b/docs/source/activity_aggr_file.puml
@@ -0,0 +1,27 @@
+ at startuml
+
+title Activity diagram sbws relays exclusion (V3BWFile.from_results)
+
+start
+:router_statuses_d;
+while (results.items()?)
+ :line, reason = V3BWLine.from_results();
+ if (not reason?) then (yes)
+ :bwlines_raw.append(line);
+ else (no)
+ :bw_lines_excluded.append(line);
+ :exclusion_dict[reason] = exclusion_dict.get(reason, 0) + 1;
+ endif
+endwhile
+:header.add_relays_excluded_counters(exclusion_dict);
+if (not bw_lines_raw?) then (yes)
+ :return (header, bw_lines_excluded);
+ stop
+endif
+if (scaling_method == TORFLOW?) then (yes)
+ :bw_lines = cls.bw_torflow_scale();
+endif
+:return (header, bw_lines + bw_lines_excluded);
+stop
+
+ at enduml
diff --git a/docs/source/activity_aggr_lines.puml b/docs/source/activity_aggr_lines.puml
new file mode 100644
index 0000000..b9b9e42
--- /dev/null
+++ b/docs/source/activity_aggr_lines.puml
@@ -0,0 +1,36 @@
+ at startuml
+
+title Activity diagram sbws results exclussion and aggregation (V3BWLine.from_results)
+
+start
+:success_results;
+if (not success_results?) then (yes)
+ :return (, exclusion_reason);
+ stop
+endif
+:results_away;
+if (not results_away?) then (yes)
+ :return (, exclusion_reason);
+ stop
+endif
+:results_recent;
+if (not results_recent?) then (yes)
+ :return (, exclusion_reason);
+ stop
+endif
+if (node_id in router_statuses_d?) then (yes)
+ :consensus_bandwidth;
+else (no)
+ :consensus_bandwidth;
+endif
+:obs_last;
+if (obs_last is None and consensus_bandwidth is None?) then (yes)
+ :return(cls(node_id, 1), "no_consensus_no_observed_bw");
+ stop
+endif
+:bw;
+:kwargs[...];
+:return (node_id, bw, **kwargs), None;
+stop
+
+ at enduml
diff --git a/docs/source/activity_scaling_as_torflow.puml b/docs/source/activity_scaling_as_torflow.puml
new file mode 100644
index 0000000..65a4457
--- /dev/null
+++ b/docs/source/activity_scaling_as_torflow.puml
@@ -0,0 +1,35 @@
+ at startuml
+
+title Activity diagram sbws bw_torflow_scale
+
+start
+'bw_lines: the relays' raw measurements
+:mu = mean([l.bw_mean for l in bw_lines]);
+:muf = mean([l.bw_filt for l in bw_lines]);
+:sum_bw = 0;
+while (for l in bw_lines?)
+ :bw_obs;
+ :desc_bw = min(desc_bw_obs, l.desc_bw_bur, l.desc_bw_avg);
+ :min_bandwidth = min(desc_bw, l.consensus_bandwidth);
+ :ratio_stream = l.bw_mean / mu;
+ :ratio_stream_filtered = l.bw_filt / muf;
+ :ratio = max(ratio_stream, ratio_stream_filtered);
+ :l.bw = ratio * min_bandwidth;
+ if (router_statuses_d?) then (yes)
+ if (l.node_id in router_statuses_d?) then (yes)
+ :sum_bw += l.bw;
+ endif
+ else (no)
+ :sum_bw += l.bw;
+ endif
+endwhile
+:hlimit = sum_bw * cap;
+while (for l in bw_lines?)
+ :bw_scaled = min(hlimit, l.bw);
+ :l.bw = kb_round_x_sig_dig(bw_scaled, digits=num_round_dig);
+endwhile
+:return sorted(bw_lines_tf, key=lambda x: x.bw, reverse=reverse);
+stop
+
+footer last updated 2021-01-08
+ at enduml
diff --git a/docs/source/generator.rst b/docs/source/generator.rst
index ef94703..7d43d33 100644
--- a/docs/source/generator.rst
+++ b/docs/source/generator.rst
@@ -1,9 +1,9 @@
.. _generator:
-How the Bandwidth File is generated
-===================================
+How aggregation and scaling works
+=================================
-.. seealso:: :ref:`scanner`.
+.. seealso:: :ref:`scanner` (scanner part).
Every hour, the generator:
@@ -14,6 +14,8 @@ Every hour, the generator:
Source code: :func:`sbws.lib.v3bwfile.V3BWFile.from_results`
+.. _filtering-measurements:
+
Filtering the bandwidth measurements
-------------------------------------
@@ -32,14 +34,26 @@ a percententage (currently 60%) than the number of relays in the consensus,
additional Header Lines MUST be added (see XXX) to the Bandwith File and the
relays SHOULD NOT be included.
+.. image:: ./images/activity_aggr_file.svg
+
+.. image:: ./images/activity_aggr_lines.svg
+
+.. _scaling-the-bandwidth-measurements:
+
Scaling the bandwidth measurements
------------------------------------
Consensus bandwidth obtained by new implementations MUST be comparable to the
consensus bandwidth, therefore they MUST implement torflow_scaling_.
+
The bandwidth_file_spec_ appendix B describes torflow scaling and a linear
scaling method.
+.. image:: ./images/activity_scaling_as_torflow.svg
+
+.. seealso:: :ref:`torflow_aggr` and :ref:`differences`.
+
+
Writing the bandwidth file
---------------------------
diff --git a/docs/source/images/activity_aggr_file.svg b/docs/source/images/activity_aggr_file.svg
new file mode 100644
index 0000000..34d0aed
--- /dev/null
+++ b/docs/source/images/activity_aggr_file.svg
@@ -0,0 +1,40 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?><svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" contentScriptType="application/ecmascript" contentStyleType="text/css" height="874px" preserveAspectRatio="none" style="width:663px;height:874px;" version="1.1" viewBox="0 0 663 874" width="663px" zoomAndPan="magnify"><defs><filter height="300%" id="f1enb2bzhjec9f" width="300%" x="-1" y="-1"><feGaussianBlur result="blurOut" stdDeviation="2.0"/><feColorMatrix in="blurOut" result="blurOut2" type="matrix" values="0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 .4 0"/><feOffset dx="4.0" dy="4.0" in="blurOut2" result="blurOut3"/><feBlend in="SourceGraphic" in2="blurOut3" mode="normal"/></filter></defs><g><text fill="#000000" font-family="sans-serif" font-size="18" lengthAdjust="spacingAndGlyphs" textLength="547" x="57" y="26.708">Activity diagram sbws relays exclusion V3BWFile.from_results</text><ellipse cx="278.25" cy="40.9531" fill="#000000" filter="url(#f1enb2bz
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5,833.0234,278.25,843.0234,282.25,833.0234,278.25,837.0234" style="stroke: #A80036; stroke-width: 1.0;"/><!--
+ at startuml
+
+title Activity diagram sbws relays exclusion V3BWFile.from_results
+
+start
+:router_statuses_d;
+while (results.items()?)
+ :line, reason = V3BWLine.from_results();
+ if (not reason?) then (yes)
+ :bwlines_raw.append(line);
+ else (no)
+ :bw_lines_excluded.append(line);
+ :exclusion_dict[reason] = exclusion_dict.get(reason, 0) + 1;
+ endif
+endwhile
+:header.add_relays_excluded_counters(exclusion_dict);
+if (not bw_lines_raw?) then (yes)
+ :return (header, bw_lines_excluded);
+ stop
+endif
+if (scaling_method == TORFLOW?) then (yes)
+ :bw_lines = cls.bw_torflow_scale();
+endif
+:return (header, bw_lines + bw_lines_excluded);
+stop
+
+ at enduml
+
+PlantUML version 1.2018.13(Mon Nov 26 17:11:51 GMT 2018)
+(GPL source distribution)
+Java Runtime: OpenJDK Runtime Environment
+JVM: OpenJDK 64-Bit Server VM
+Java Version: 11.0.9.1+1-post-Debian-1deb10u2
+Operating System: Linux
+OS Version: 4.19.0-13-amd64
+Default Encoding: UTF-8
+Language: en
+Country: US
+--></g></svg>
\ No newline at end of file
diff --git a/docs/source/images/activity_aggr_lines.svg b/docs/source/images/activity_aggr_lines.svg
new file mode 100644
index 0000000..789a97b
--- /dev/null
+++ b/docs/source/images/activity_aggr_lines.svg
@@ -0,0 +1,49 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?><svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" contentScriptType="application/ecmascript" contentStyleType="text/css" height="1285px" preserveAspectRatio="none" style="width:430px;height:1285px;" version="1.1" viewBox="0 0 430 1285" width="430px" zoomAndPan="magnify"><defs><filter height="300%" id="fsu3zpce5sdbv" width="300%" x="-1" y="-1"><feGaussianBlur result="blurOut" stdDeviation="2.0"/><feColorMatrix in="blurOut" result="blurOut2" type="matrix" values="0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 .4 0"/><feOffset dx="4.0" dy="4.0" in="blurOut2" result="blurOut3"/><feBlend in="SourceGraphic" in2="blurOut3" mode="normal"/></filter></defs><g><text fill="#000000" font-family="sans-serif" font-size="18" lengthAdjust="spacingAndGlyphs" textLength="406" x="12" y="26.708">Activity diagram sbws V3BWLine.from_results</text><ellipse cx="203" cy="40.9531" fill="#000000" filter="url(#fsu3zpce5sdbv)" rx="10" ry
="10" style="stroke: none; stroke-width: 1.0;"/><rect fill="#FEFECE" filter="url(#fsu3zpce5sdbv)" height="33.9688" rx="12.5" ry="12.5" style="stroke: #A80036; stroke-width: 1.5;" width="120" x="143" y="70.9531"/><text fill="#000000" font-family="sans-serif" font-size="12" lengthAdjust="spacingAndGlyphs" textLength="100" x="153" y="92.0918">success_results</text><rect fill="#FEFECE" filter="url(#fsu3zpce5sdbv)" height="33.9688" rx="12.5" ry="12.5" style="stroke: #A80036; stroke-width: 1.5;" width="189" x="108.5" y="173.3242"/><text fill="#000000" font-family="sans-serif" font-size="12" lengthAdjust="spacingAndGlyphs" textLength="169" x="118.5" y="194.4629">return (, exclusion_reason)</text><ellipse cx="203" cy="244.8086" fill="none" filter="url(#fsu3zpce5sdbv)" rx="10" ry="10" style="stroke: #000000; stroke-width: 1.0;"/><ellipse cx="203.5" cy="245.3086" fill="#000000" filter="url(#fsu3zpce5sdbv)" rx="6" ry="6" style="stroke: none; stroke-width: 1.0;"/><polygon fill="#FEFECE" filter=
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A80036; stroke-width: 1.5;"/><text fill="#000000" font-family="sans-serif" font-size="11" lengthAdjust="spacingAndGlyphs" textLength="20" x="207" y="610.8433">yes</text><text fill="#000000" font-family="sans-serif" font-size="11" lengthAdjust="spacingAndGlyphs" textLength="110" x="148" y="592.4409">not results_recent?</text><polygon fill="#FEFECE" filter="url(#fsu3zpce5sdbv)" points="117,748.5195,289,748.5195,301,760.5195,289,772.5195,117,772.5195,105,760.5195,117,748.5195" style="stroke: #A80036; stroke-width: 1.5;"/><text fill="#000000" font-family="sans-serif" font-size="11" lengthAdjust="spacingAndGlyphs" textLength="172" x="117" y="764.3276">node_id in router_statuses_d?</text><text fill="#000000" font-family="sans-serif" font-size="11" lengthAdjust="spacingAndGlyphs" textLength="20" x="85" y="757.9253">yes</text><text fill="#000000" font-family="sans-serif" font-size="11" lengthAdjust="spacingAndGlyphs" textLength="14" x="301" y="757.9253">no</text><rect fill="#FEFECE" filter=
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+ at startuml
+
+title Activity diagram sbws V3BWLine.from_results
+
+start
+:success_results;
+if (not success_results?) then (yes)
+ :return (, exclusion_reason);
+ stop
+endif
+:results_away;
+if (not results_away?) then (yes)
+ :return (, exclusion_reason);
+ stop
+endif
+:results_recent;
+if (not results_recent?) then (yes)
+ :return (, exclusion_reason);
+ stop
+endif
+if (node_id in router_statuses_d?) then (yes)
+ :consensus_bandwidth;
+else (no)
+ :consensus_bandwidth;
+endif
+:obs_last;
+if (obs_last is None and consensus_bandwidth is None?) then (yes)
+ :return(cls(node_id, 1), "no_consensus_no_observed_bw");
+ stop
+endif
+:bw;
+:kwargs[...];
+:return (node_id, bw, **kwargs), None;
+stop
+
+ at enduml
+
+PlantUML version 1.2018.13(Mon Nov 26 17:11:51 GMT 2018)
+(GPL source distribution)
+Java Runtime: OpenJDK Runtime Environment
+JVM: OpenJDK 64-Bit Server VM
+Java Version: 11.0.9.1+1-post-Debian-1deb10u2
+Operating System: Linux
+OS Version: 4.19.0-13-amd64
+Default Encoding: UTF-8
+Language: en
+Country: US
+--></g></svg>
\ No newline at end of file
diff --git a/docs/source/images/activity_scaling_as_torflow.svg b/docs/source/images/activity_scaling_as_torflow.svg
new file mode 100644
index 0000000..822bd75
--- /dev/null
+++ b/docs/source/images/activity_scaling_as_torflow.svg
@@ -0,0 +1,47 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?><svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" contentScriptType="application/ecmascript" contentStyleType="text/css" height="1237px" preserveAspectRatio="none" style="width:483px;height:1237px;" version="1.1" viewBox="0 0 483 1237" width="483px" zoomAndPan="magnify"><defs><filter height="300%" id="fq8tw0sgtkabn" width="300%" x="-1" y="-1"><feGaussianBlur result="blurOut" stdDeviation="2.0"/><feColorMatrix in="blurOut" result="blurOut2" type="matrix" values="0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 .4 0"/><feOffset dx="4.0" dy="4.0" in="blurOut2" result="blurOut3"/><feBlend in="SourceGraphic" in2="blurOut3" mode="normal"/></filter></defs><g><text fill="#000000" font-family="sans-serif" font-size="18" lengthAdjust="spacingAndGlyphs" textLength="352" x="64.75" y="26.708">Activity diagram sbws bw_torflow_scale</text><ellipse cx="244.5" cy="40.9531" fill="#000000" filter="url(#fq8tw0sgtkabn)" rx="10" ry
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hAdjust="spacingAndGlyphs" textLength="119" x="181.25" y="1224.2354">last updated 2021-01-08</text><!--
+ at startuml
+
+title Activity diagram sbws bw_torflow_scale
+
+start
+:mu = mean([l.bw_mean for l in bw_lines]);
+:muf = mean([l.bw_filt for l in bw_lines]);
+:sum_bw = 0;
+while (for l in bw_lines?)
+ :bw_obs;
+ :desc_bw = min(desc_bw_obs, l.desc_bw_bur, l.desc_bw_avg);
+ :min_bandwidth = min(desc_bw, l.consensus_bandwidth);
+ :ratio_stream = l.bw_mean / mu;
+ :ratio_stream_filtered = l.bw_filt / muf;
+ :ratio = max(ratio_stream, ratio_stream_filtered);
+ :l.bw = ratio * min_bandwidth;
+ if (router_statuses_d?) then (yes)
+ if (l.node_id in router_statuses_d?) then (yes)
+ :sum_bw += l.bw;
+ endif
+ else (no)
+ :sum_bw += l.bw;
+ endif
+endwhile
+:hlimit = sum_bw * cap;
+while (for l in bw_lines?)
+ :bw_scaled = min(hlimit, l.bw);
+ :l.bw = kb_round_x_sig_dig(bw_scaled, digits=num_round_dig);
+endwhile
+:return sorted(bw_lines_tf, key=lambda x: x.bw, reverse=reverse);
+stop
+
+footer last updated 2021-01-08
+ at enduml
+
+PlantUML version 1.2018.13(Mon Nov 26 17:11:51 GMT 2018)
+(GPL source distribution)
+Java Runtime: OpenJDK Runtime Environment
+JVM: OpenJDK 64-Bit Server VM
+Java Version: 11.0.9.1+1-post-Debian-1deb10u2
+Operating System: Linux
+OS Version: 4.19.0-13-amd64
+Default Encoding: UTF-8
+Language: en
+Country: US
+--></g></svg>
\ No newline at end of file
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