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[tor-commits] [sbws/master] docs: Add code design documentation

To: tor-commits@xxxxxxxxxxxxxxxxxxxx
Subject: [tor-commits] [sbws/master] docs: Add code design documentation
From: juga@xxxxxxxxxxxxxx
Date: Sat, 23 Feb 2019 10:57:26 +0000 (UTC)
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Patch-author: juga0 <juga@xxxxxxxxxx>
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commit 3ad41163e7c7078e89ec40829209a1e1585441ce
Author: juga0 <juga@xxxxxxxxxx>
Date:   Tue Feb 12 09:56:46 2019 +0000

    docs: Add code design documentation
---
 docs/source/classes_original.puml        | 220 +++++++++++++
 docs/source/code_design.rst              |  60 ++++
 docs/source/data/critical_sections.dia   | Bin 0 -> 3540 bytes
 docs/source/diagrams.rst                 |  16 -
 docs/source/images/classes_original.svg  |   1 +
 docs/source/images/classes_sbws.svg      | 246 ---------------
 docs/source/images/critical_sections.svg | 516 +++++++++++++++++++++++++++++++
 docs/source/images/pycallgraph.png       | Bin 0 -> 381993 bytes
 docs/source/images/threads.svg           |   1 +
 docs/source/threads.puml                 |  23 ++
 10 files changed, 821 insertions(+), 262 deletions(-)

diff --git a/docs/source/classes_original.puml b/docs/source/classes_original.puml
new file mode 100644
index 0000000..4318db3
--- /dev/null
+++ b/docs/source/classes_original.puml
@@ -0,0 +1,220 @@
+@startuml
+
+class RelayList {
+  stem.Controller _controller
+  Lock _refresh_lock
+  int _last_refresh
+  list @p relays
+  list @p bad_exits
+  list @p exits
+  list @p non_exits
+  list @p authorities
+  bool _need_refresh()
+  _init_relays()
+  _refresh()
+  list _relays_with_flag(int flag)
+  list _relays_without_flag(int flag)
+  list exits_not_bad_can_exit_to_port(int port)
+}
+RelayList *-- Relay
+class Relay {
+  stem.RouterStatusEntryV3 _from_ns
+  stem.RelayDescriptor _from_desc
+  str @p nickname
+  str @p fingerprint
+  list @p flags
+  ExitPolicy @p exit_policy
+  str @p address
+  str @p master_key_ed25519
+  int @p observed_bandwidth
+  int @p average_bandwidth
+  int @p burst_bandwidth
+  int @p consensus_bandwidth
+  int @p consensus_bandwidth_is_unmeasured
+  obj _from_ns(attr)
+  obj _from_desc(attr)
+  bool can_exit_to_port(int port)
+  bool is_exit_not_bad_allowing_port(int port)
+}
+class RelayPrioritizer {
+  int fresh_seconds
+  ResultDump result_dump
+  RelayList relay_list
+  bool measure_authorities
+  generator best_priority()
+}
+RelayPrioritizer *-- RelayList
+RelayPrioritizer *-- ResultDump
+Result ^-- ResultError
+Result ^-- ResultSuccess
+Result -- Destination
+class Result {
+  Result.Relay _relay
+  list @p circ
+  str @p dest_url
+  str @p scanner
+  int @p time
+  str @p type
+  int @p version
+  str @p nickname
+  str @p fingerprint
+  str @p address
+  str @p master_key_ed25519
+  int @p relay_observed_bandwidth
+  int @p relay_average_bandwidth
+  int @p relay_burst_bandwidth
+  int @p consensus_bandwidth
+  int @p consensus_bandwidth_is_unmeasured
+  dict to_dict()
+  Result from_dict(dict d)
+}
+Result -- Relay
+Result *-- Result.Relay
+class Result.Relay {
+  str nickname
+  str fingerprint
+  str address
+  str master_key_ed25519
+  int observed_bandwidth
+  int average_bandwidth
+  int burst_bandwidth
+  int consensus_bandwidth
+  int consensus_bandwidth_is_unmeasured
+}
+class ResultError {
+  str @p msg
+}
+ResultError ^-- ResultErrorCircuit
+class ResultErrorCircuit {
+}
+ResultError ^-- ResultErrorStream
+class ResultSuccess {
+  list @p rtts
+  list @p downloads
+}
+ResultDump *-- Result
+ResultDump -- Relay
+class ResultDump {
+  dict data
+  int fresh_days
+  str datadir
+  Lock data_lock
+  Thread thread
+  Queue queue
+  store_result(Result result)
+  handle_result(Result result)
+  enter()
+  list results_for_relay(Relay relay)
+}
+class DestinationList {
+  list _rl
+  Destination next()
+  DestinationList @sm from_config(...)
+}
+DestinationList *-- Destination
+class Destination {
+  str @p hostname
+  int @p port
+  str @p url
+  bool @p verify
+  bool is_usable()
+  Destination @sm from_config(str conf_section,int max_dl)
+}
+V3BWHeader -- Result
+class V3BWHeader {
+  int timestamp
+  str version
+  str file_created
+  str latest_bandwidth
+  int num_lines
+  str software
+  str software_version
+  str generator_started
+  int number_eligible_relays
+  int minimum_number_eligible_relays
+  int number_consensus_relays
+  int percent_eligible_relays
+  int minimum_percent_eligible_relays
+  int @p num_lines
+
+  V3BWHeader @cm from_results(dict results)
+  add_stats(**kwargs)
+  int @sm earliest_bandwidth_from_results(dict results)
+  str @sm generator_started_from_file(dict results)
+  int @sm latest_bandwidth_from_results(dict results)
+}
+V3BWLine -- Result
+class V3BWLine {
+  int bw
+  str node_id
+  str master_key_ed25519
+  str nick
+  int rtt
+  str time
+  int success
+  int error_stream
+  int error_circ
+  int error_misc
+  int bw_median
+  int bw_mean
+  int desc_bw_avg
+  int desc_bw_bur
+  int desc_bw_obs_last
+  int desc_bw_obs_mean
+  consensus_bandwidth
+  consensus_bandwidth_is_unmeasured
+
+  int @sm bw_mean_from_results(list results)
+  int @sm bw_median_from_results(list results)
+  int @sm desc_bw_obs_last_from_results(list results)
+  int @sm desc_bw_obs_mean_from_results(list results)
+  V3BWLine @cm from_results(list results)
+  str @sm last_time_from_results(list results)
+  dict @sm result_types_from_results(list results)
+  list @sm results_away_each_other(list results)
+  list @sm results_recent_than(list results)
+}
+V3BWFile *-- V3BWHeader
+V3BWFile *-- V3BWLine
+V3BWFile -- Result
+class V3BWFile {
+  V3BWHeader header
+  list bw_lines
+  @p info_stats
+  bool @p is_min_perc
+  int @p max_bw
+  int @p mean_bw
+  int @p median_bw
+  int @p min_bw
+  int @p num
+  int @p sum_bw
+  V3BWFile @cm from_results(dict results, ...)
+  list @sm bw_kb(bw_lines)
+  list @sm bw_sbws_scale(bw_lines)
+  list @sm bw_torflow_scale(bw_lines)
+  bool @sm is_max_bw_diff_perc_reached(bw_lines)
+  (dict, bool) @sm measured_progress_stats(bw_lines)
+  int @sm read_number_consensus_relays(str consensus_path)
+  (list, list, list) to_plt()
+  list update_progress(bw_lines, ...)
+  warn_if_not_accurate_enough(bw_lines, ...)
+  tuple to_plt(...)
+  write(str output)
+}
+CircuitBuilder *-- RelayList
+CircuitBuilder -- Relay
+class CircuitBuilder {
+  set built_circuits
+  RelayList relay_list
+  list relays
+  Controller controller
+  int build_circuit()
+  void close_circuit()
+}
+CircuitBuilder ^-- GapsCircuitBuilder
+
+class State {
+  get()
+}
+
+@enduml
\ No newline at end of file
diff --git a/docs/source/code_design.rst b/docs/source/code_design.rst
new file mode 100644
index 0000000..5722447
--- /dev/null
+++ b/docs/source/code_design.rst
@@ -0,0 +1,60 @@
+Code design
+=================
+
+.. todo::
+   - Link to refactor proposal.
+   - Change this page when refactoring is implemented.
+
+UML classes diagram
+--------------------
+
+.. image:: images/classes_original.*
+   :alt: UML classes diagram
+
+`classes_original.svg <./_images/classes_original.svg>`_
+
+Packages diagram
+-----------------
+
+.. image:: ./images/packages_sbws.*
+   :alt: packages diagram
+
+`packages_sbws.svg <./_images/packages_sbws.svg>`_
+
+scanner threads
+----------------
+
+- `TorEventListener`: the thread that runs Tor and listens for events.
+- ResultDump: the thread that get the measurement results from a queue
+  every second.
+- `multiprocessing.ThreadPool` starts 3 independent threads:
+  - workers_thread
+  - tasks_thread
+  - results_thread
+- measurement threads: they execute :func:`sbws.core.scanner.measure_relay`
+  There'll be a maximum of 3 by default.
+
+.. image:: images/threads.*
+   :alt: scanner threads
+
+Critical sections
+-----------------
+
+Data types that are read or wrote from the threads.
+
+.. image:: images/critical_sections.*
+   :alt: scanner critical sections
+   :height: 400px
+   :align: center
+
+Call graph
+--------------
+
+Initialization calls to the moment where the measurement threads start.
+
+.. image:: images/pycallgraph.png
+   :alt: call graph
+   :height: 400px
+   :align: center
+
+`callgraph.png <./_images/pycallgraph.png>`_
diff --git a/docs/source/data/critical_sections.dia b/docs/source/data/critical_sections.dia
new file mode 100644
index 0000000..8f1a01b
Binary files /dev/null and b/docs/source/data/critical_sections.dia differ
diff --git a/docs/source/diagrams.rst b/docs/source/diagrams.rst
deleted file mode 100644
index ec18ed3..0000000
--- a/docs/source/diagrams.rst
+++ /dev/null
@@ -1,16 +0,0 @@
-UML diagrams
-=============
-
-Class Diagram
---------------------
-
-.. image:: ./images/classes_sbws.*
-
-`classes_sbws.svg <./_images/classes_sbws.svg>`_
-
-Packages diagram
------------------
-
-.. image:: ./images/packages_sbws.*
-
-`packages_sbws.svg <./_images/packages_sbws.svg>`_
\ No newline at end of file
diff --git a/docs/source/images/classes_original.svg b/docs/source/images/classes_original.svg
new file mode 100644
index 0000000..d894dd6
--- /dev/null
+++ b/docs/source/images/classes_original.svg
@@ -0,0 +1 @@
+<?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="1573px" preserveAspectRatio="none" style="width:1542px;height:1573px;" version="1.1" viewBox="0 0 1542 1573" width="1542px" zoomAndPan="magnify"><defs><filter height="300%" id="f17ckm9" 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><!--class RelayList--><rect fill="#FEFECE" filter="url(#f17ckm9)" height="227.2656" style="stroke: #A80036; stroke-width: 1.5;" width="258" x="1023" y="877.5"/><ellipse cx="1120.75" cy="893.5" fill="#ADD1B2" rx="11" ry="11" style="stroke: #A80036; stroke-width: 1.0;
 "/><path d="M1123.7188,899.1406 Q1123.1406,899.4375 1122.5,899.5859 Q1121.8594,899.7344 1121.1563,899.7344 Q1118.6563,899.7344 1117.3359,898.0859 Q1116.0156,896.4375 1116.0156,893.3125 Q1116.0156,890.1875 1117.3359,888.5313 Q1118.6563,886.875 1121.1563,886.875 Q1121.8594,886.875 1122.5078,887.0313 Q1123.1563,887.1875 1123.7188,887.4844 L1123.7188,890.2031 Q1123.0938,889.625 1122.5,889.3516 Q1121.9063,889.0781 1121.2813,889.0781 Q1119.9375,889.0781 1119.25,890.1484 Q1118.5625,891.2188 1118.5625,893.3125 Q1118.5625,895.4063 1119.25,896.4766 Q1119.9375,897.5469 1121.2813,897.5469 Q1121.9063,897.5469 1122.5,897.2734 Q1123.0938,897 1123.7188,896.4219 L1123.7188,899.1406 Z "/><text fill="#000000" font-family="sans-serif" font-size="12" lengthAdjust="spacingAndGlyphs" textLength="54" x="1141.25" y="897.6543">RelayList</text><line style="stroke: #A80036; stroke-width: 1.5;" x1="1024" x2="1280" y1="909.5" y2="909.5"/><text fill="#000000" font-family="sans-serif" font-size="11" lengthAdjust="
 spacingAndGlyphs" textLength="153" x="1029" y="923.7104">stem.Controller _controller</text><text fill="#000000" font-family="sans-serif" font-size="11" lengthAdjust="spacingAndGlyphs" textLength="105" x="1029" y="936.5151">Lock _refresh_lock</text><text fill="#000000" font-family="sans-serif" font-size="11" lengthAdjust="spacingAndGlyphs" textLength="93" x="1029" y="949.3198">int _last_refresh</text><text fill="#000000" font-family="sans-serif" font-size="11" lengthAdjust="spacingAndGlyphs" textLength="79" x="1029" y="962.1245">list @p relays</text><text fill="#000000" font-family="sans-serif" font-size="11" lengthAdjust="spacingAndGlyphs" textLength="98" x="1029" y="974.9292">list @p bad_exits</text><text fill="#000000" font-family="sans-serif" font-size="11" lengthAdjust="spacingAndGlyphs" textLength="71" x="1029" y="987.7339">list @p exits</text><text fill="#000000" font-family="sans-serif" font-size="11" lengthAdjust="spacingAndGlyphs" textLength="98" x="1029" y="1000.5386">list
  @p non_exits</text><text fill="#000000" font-family="sans-serif" font-size="11" lengthAdjust="spacingAndGlyphs" textLength="105" x="1029" y="1013.3433">list @p authorities</text><line style="stroke: #A80036; stroke-width: 1.5;" x1="1024" x2="1280" y1="1019.9375" y2="1019.9375"/><text fill="#000000" font-family="sans-serif" font-size="11" lengthAdjust="spacingAndGlyphs" textLength="118" x="1029" y="1034.1479">bool _need_refresh()</text><text fill="#000000" font-family="sans-serif" font-size="11" lengthAdjust="spacingAndGlyphs" textLength="72" x="1029" y="1046.9526">_init_relays()</text><text fill="#000000" font-family="sans-serif" font-size="11" lengthAdjust="spacingAndGlyphs" textLength="56" x="1029" y="1059.7573">_refresh()</text><text fill="#000000" font-family="sans-serif" font-size="11" lengthAdjust="spacingAndGlyphs" textLength="165" x="1029" y="1072.562">list _relays_with_flag(int flag)</text><text fill="#000000" font-family="sans-serif" font-size="11" lengthAdjust="spacingAn
 dGlyphs" textLength="183" x="1029" y="1085.3667">list _relays_without_flag(int flag)</text><text fill="#000000" font-family="sans-serif" font-size="11" lengthAdjust="spacingAndGlyphs" textLength="246" x="1029" y="1098.1714">list exits_not_bad_can_exit_to_port(int port)</text><!--class Relay--><rect fill="#FEFECE" filter="url(#f17ckm9)" height="265.6797" style="stroke: #A80036; stroke-width: 1.5;" width="273" x="980.5" y="1190"/><ellipse cx="1096.25" cy="1206" fill="#ADD1B2" rx="11" ry="11" style="stroke: #A80036; stroke-width: 1.0;"/><path d="M1099.2188,1211.6406 Q1098.6406,1211.9375 1098,1212.0859 Q1097.3594,1212.2344 1096.6563,1212.2344 Q1094.1563,1212.2344 1092.8359,1210.5859 Q1091.5156,1208.9375 1091.5156,1205.8125 Q1091.5156,1202.6875 1092.8359,1201.0313 Q1094.1563,1199.375 1096.6563,1199.375 Q1097.3594,1199.375 1098.0078,1199.5313 Q1098.6563,1199.6875 1099.2188,1199.9844 L1099.2188,1202.7031 Q1098.5938,1202.125 1098,1201.8516 Q1097.4063,1201.5781 1096.7813,1201.5781 Q1095.4375
 ,1201.5781 1094.75,1202.6484 Q1094.0625,1203.7188 1094.0625,1205.8125 Q1094.0625,1207.9063 1094.75,1208.9766 Q1095.4375,1210.0469 1096.7813,1210.0469 Q1097.4063,1210.0469 1098,1209.7734 Q1098.5938,1209.5 1099.2188,1208.9219 L1099.2188,1211.6406 Z "/><text fill="#000000" font-family="sans-serif" font-size="12" lengthAdjust="spacingAndGlyphs" textLength="33" x="1116.75" y="1210.1543">Relay</text><line style="stroke: #A80036; stroke-width: 1.5;" x1="981.5" x2="1252.5" y1="1222" y2="1222"/><text fill="#000000" font-family="sans-serif" font-size="11" lengthAdjust="spacingAndGlyphs" textLength="207" x="986.5" y="1236.2104">stem.RouterStatusEntryV3 _from_ns</text><text fill="#000000" font-family="sans-serif" font-size="11" lengthAdjust="spacingAndGlyphs" textLength="192" x="986.5" y="1249.0151">stem.RelayDescriptor _from_desc</text><text fill="#000000" font-family="sans-serif" font-size="11" lengthAdjust="spacingAndGlyphs" textLength="97" x="986.5" y="1261.8198">str @p nickname</text><text
  fill="#000000" font-family="sans-serif" font-size="11" lengthAdjust="spacingAndGlyphs" textLength="102" x="986.5" y="1274.6245">str @p fingerprint</text><text fill="#000000" font-family="sans-serif" font-size="11" lengthAdjust="spacingAndGlyphs" textLength="72" x="986.5" y="1287.4292">list @p flags</text><text fill="#000000" font-family="sans-serif" font-size="11" lengthAdjust="spacingAndGlyphs" textLength="137" x="986.5" y="1300.2339">ExitPolicy @p exit_policy</text><text fill="#000000" font-family="sans-serif" font-size="11" lengthAdjust="spacingAndGlyphs" textLength="90" x="986.5" y="1313.0386">str @p address</text><text fill="#000000" font-family="sans-serif" font-size="11" lengthAdjust="spacingAndGlyphs" textLength="164" x="986.5" y="1325.8433">str @p master_key_ed25519</text><text fill="#000000" font-family="sans-serif" font-size="11" lengthAdjust="spacingAndGlyphs" textLength="158" x="986.5" y="1338.6479">int @p observed_bandwidth</text><text fill="#000000" font-family="sans
 -serif" font-size="11" lengthAdjust="spacingAndGlyphs" textLength="151" x="986.5" y="1351.4526">int @p average_bandwidth</text><text fill="#000000" font-family="sans-serif" font-size="11" lengthAdjust="spacingAndGlyphs" textLength="135" x="986.5" y="1364.2573">int @p burst_bandwidth</text><text fill="#000000" font-family="sans-serif" font-size="11" lengthAdjust="spacingAndGlyphs" textLength="167" x="986.5" y="1377.062">int @p consensus_bandwidth</text><text fill="#000000" font-family="sans-serif" font-size="11" lengthAdjust="spacingAndGlyphs" textLength="261" x="986.5" y="1389.8667">int @p consensus_bandwidth_is_unmeasured</text><line style="stroke: #A80036; stroke-width: 1.5;" x1="981.5" x2="1252.5" y1="1396.4609" y2="1396.4609"/><text fill="#000000" font-family="sans-serif" font-size="11" lengthAdjust="spacingAndGlyphs" textLength="102" x="986.5" y="1410.6714">obj _from_ns(attr)</text><text fill="#000000" font-family="sans-serif" font-size="11" lengthAdjust="spacingAndGlyphs" text
 Length="115" x="986.5" y="1423.4761">obj _from_desc(attr)</text><text fill="#000000" font-family="sans-serif" font-size="11" lengthAdjust="spacingAndGlyphs" textLength="169" x="986.5" y="1436.2808">bool can_exit_to_port(int port)</text><text fill="#000000" font-family="sans-serif" font-size="11" lengthAdjust="spacingAndGlyphs" textLength="245" x="986.5" y="1449.0854">bool is_exit_not_bad_allowing_port(int port)</text><!--class RelayPrioritizer--><rect fill="#FEFECE" filter="url(#f17ckm9)" height="112.0234" style="stroke: #A80036; stroke-width: 1.5;" width="158" x="996" y="117"/><ellipse cx="1026.75" cy="133" fill="#ADD1B2" rx="11" ry="11" style="stroke: #A80036; stroke-width: 1.0;"/><path d="M1029.7188,138.6406 Q1029.1406,138.9375 1028.5,139.0859 Q1027.8594,139.2344 1027.1563,139.2344 Q1024.6563,139.2344 1023.3359,137.5859 Q1022.0156,135.9375 1022.0156,132.8125 Q1022.0156,129.6875 1023.3359,128.0313 Q1024.6563,126.375 1027.1563,126.375 Q1027.8594,126.375 1028.5078,126.5313 Q1029.156
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 engthAdjust="spacingAndGlyphs" textLength="105" x="1002" y="188.8198">RelayList relay_list</text><text fill="#000000" font-family="sans-serif" font-size="11" lengthAdjust="spacingAndGlyphs" textLength="146" x="1002" y="201.6245">bool measure_authorities</text><line style="stroke: #A80036; stroke-width: 1.5;" x1="997" x2="1153" y1="208.2188" y2="208.2188"/><text fill="#000000" font-family="sans-serif" font-size="11" lengthAdjust="spacingAndGlyphs" textLength="139" x="1002" y="222.4292">generator best_priority()</text><!--class ResultDump--><rect fill="#FEFECE" filter="url(#f17ckm9)" height="176.0469" style="stroke: #A80036; stroke-width: 1.5;" width="199" x="899.5" y="507"/><ellipse cx="957.25" cy="523" fill="#ADD1B2" rx="11" ry="11" style="stroke: #A80036; stroke-width: 1.0;"/><path d="M960.2188,528.6406 Q959.6406,528.9375 959,529.0859 Q958.3594,529.2344 957.6563,529.2344 Q955.1563,529.2344 953.8359,527.5859 Q952.5156,525.9375 952.5156,522.8125 Q952.5156,519.6875 953.8359,518.0313 Q
 955.1563,516.375 957.6563,516.375 Q958.3594,516.375 959.0078,516.5313 Q959.6563,516.6875 960.2188,516.9844 L960.2188,519.7031 Q959.5938,519.125 959,518.8516 Q958.4063,518.5781 957.7813,518.5781 Q956.4375,518.5781 955.75,519.6484 Q955.0625,520.7188 955.0625,522.8125 Q955.0625,524.9063 955.75,525.9766 Q956.4375,527.0469 957.7813,527.0469 Q958.4063,527.0469 959,526.7734 Q959.5938,526.5 960.2188,525.9219 L960.2188,528.6406 Z "/><text fill="#000000" font-family="sans-serif" font-size="12" lengthAdjust="spacingAndGlyphs" textLength="75" x="977.75" y="527.1543">ResultDump</text><line style="stroke: #A80036; stroke-width: 1.5;" x1="900.5" x2="1097.5" y1="539" y2="539"/><text fill="#000000" font-family="sans-serif" font-size="11" lengthAdjust="spacingAndGlyphs" textLength="49" x="905.5" y="553.2104">dict data</text><text fill="#000000" font-family="sans-serif" font-size="11" lengthAdjust="spacingAndGlyphs" textLength="81" x="905.5" y="566.0151">int fresh_days</text><text fill="#000000" font-
 family="sans-serif" font-size="11" lengthAdjust="spacingAndGlyphs" textLength="60" x="905.5" y="578.8198">str datadir</text><text fill="#000000" font-family="sans-serif" font-size="11" lengthAdjust="spacingAndGlyphs" textLength="82" x="905.5" y="591.6245">Lock data_lock</text><text fill="#000000" font-family="sans-serif" font-size="11" lengthAdjust="spacingAndGlyphs" textLength="81" x="905.5" y="604.4292">Thread thread</text><text fill="#000000" font-family="sans-serif" font-size="11" lengthAdjust="spacingAndGlyphs" textLength="76" x="905.5" y="617.2339">Queue queue</text><line style="stroke: #A80036; stroke-width: 1.5;" x1="900.5" x2="1097.5" y1="623.8281" y2="623.8281"/><text fill="#000000" font-family="sans-serif" font-size="11" lengthAdjust="spacingAndGlyphs" textLength="149" x="905.5" y="638.0386">store_result(Result result)</text><text fill="#000000" font-family="sans-serif" font-size="11" lengthAdjust="spacingAndGlyphs" textLength="157" x="905.5" y="650.8433">handle_result(Re
 sult result)</text><text fill="#000000" font-family="sans-serif" font-size="11" lengthAdjust="spacingAndGlyphs" textLength="38" x="905.5" y="663.6479">enter()</text><text fill="#000000" font-family="sans-serif" font-size="11" lengthAdjust="spacingAndGlyphs" textLength="187" x="905.5" y="676.4526">list results_for_relay(Relay relay)</text><!--class Result--><rect fill="#FEFECE" filter="url(#f17ckm9)" height="278.4844" style="stroke: #A80036; stroke-width: 1.5;" width="273" x="564.5" y="852"/><ellipse cx="677.25" cy="868" fill="#ADD1B2" rx="11" ry="11" style="stroke: #A80036; stroke-width: 1.0;"/><path d="M680.2188,873.6406 Q679.6406,873.9375 679,874.0859 Q678.3594,874.2344 677.6563,874.2344 Q675.1563,874.2344 673.8359,872.5859 Q672.5156,870.9375 672.5156,867.8125 Q672.5156,864.6875 673.8359,863.0313 Q675.1563,861.375 677.6563,861.375 Q678.3594,861.375 679.0078,861.5313 Q679.6563,861.6875 680.2188,861.9844 L680.2188,864.7031 Q679.5938,864.125 679,863.8516 Q678.4063,863.5781 677.7813,8
 63.5781 Q676.4375,863.5781 675.75,864.6484 Q675.0625,865.7188 675.0625,867.8125 Q675.0625,869.9063 675.75,870.9766 Q676.4375,872.0469 677.7813,872.0469 Q678.4063,872.0469 679,871.7734 Q679.5938,871.5 680.2188,870.9219 L680.2188,873.6406 Z "/><text fill="#000000" font-family="sans-serif" font-size="12" lengthAdjust="spacingAndGlyphs" textLength="39" x="697.75" y="872.1543">Result</text><line style="stroke: #A80036; stroke-width: 1.5;" x1="565.5" x2="836.5" y1="884" y2="884"/><text fill="#000000" font-family="sans-serif" font-size="11" lengthAdjust="spacingAndGlyphs" textLength="107" x="570.5" y="898.2104">Result.Relay _relay</text><text fill="#000000" font-family="sans-serif" font-size="11" lengthAdjust="spacingAndGlyphs" textLength="64" x="570.5" y="911.0151">list @p circ</text><text fill="#000000" font-family="sans-serif" font-size="11" lengthAdjust="spacingAndGlyphs" textLength="89" x="570.5" y="923.8198">str @p dest_url</text><text fill="#000000" font-family="sans-serif" font-siz
 e="11" lengthAdjust="spacingAndGlyphs" textLength="89" x="570.5" y="936.6245">str @p scanner</text><text fill="#000000" font-family="sans-serif" font-size="11" lengthAdjust="spacingAndGlyphs" textLength="66" x="570.5" y="949.4292">int @p time</text><text fill="#000000" font-family="sans-serif" font-size="11" lengthAdjust="spacingAndGlyphs" textLength="67" x="570.5" y="962.2339">str @p type</text><text fill="#000000" font-family="sans-serif" font-size="11" lengthAdjust="spacingAndGlyphs" textLength="83" x="570.5" y="975.0386">int @p version</text><text fill="#000000" font-family="sans-serif" font-size="11" lengthAdjust="spacingAndGlyphs" textLength="97" x="570.5" y="987.8433">str @p nickname</text><text fill="#000000" font-family="sans-serif" font-size="11" lengthAdjust="spacingAndGlyphs" textLength="102" x="570.5" y="1000.6479">str @p fingerprint</text><text fill="#000000" font-family="sans-serif" font-size="11" lengthAdjust="spacingAndGlyphs" textLength="90" x="570.5" y="1013.4526"
 >str @p address</text><text fill="#000000" font-family="sans-serif" font-size="11" lengthAdjust="spacingAndGlyphs" textLength="164" x="570.5" y="1026.2573">str @p master_key_ed25519</text><text fill="#000000" font-family="sans-serif" font-size="11" lengthAdjust="spacingAndGlyphs" textLength="192" x="570.5" y="1039.062">int @p relay_observed_bandwidth</text><text fill="#000000" font-family="sans-serif" font-size="11" lengthAdjust="spacingAndGlyphs" textLength="185" x="570.5" y="1051.8667">int @p relay_average_bandwidth</text><text fill="#000000" font-family="sans-serif" font-size="11" lengthAdjust="spacingAndGlyphs" textLength="169" x="570.5" y="1064.6714">int @p relay_burst_bandwidth</text><text fill="#000000" font-family="sans-serif" font-size="11" lengthAdjust="spacingAndGlyphs" textLength="167" x="570.5" y="1077.4761">int @p consensus_bandwidth</text><text fill="#000000" font-family="sans-serif" font-size="11" lengthAdjust="spacingAndGlyphs" textLength="261" x="570.5" y="1090.280
 8">int @p consensus_bandwidth_is_unmeasured</text><line style="stroke: #A80036; stroke-width: 1.5;" x1="565.5" x2="836.5" y1="1096.875" y2="1096.875"/><text fill="#000000" font-family="sans-serif" font-size="11" lengthAdjust="spacingAndGlyphs" textLength="69" x="570.5" y="1111.0854">dict to_dict()</text><text fill="#000000" font-family="sans-serif" font-size="11" lengthAdjust="spacingAndGlyphs" textLength="131" x="570.5" y="1123.8901">Result from_dict(dict d)</text><!--class ResultError--><rect fill="#FEFECE" filter="url(#f17ckm9)" height="60.8047" style="stroke: #A80036; stroke-width: 1.5;" width="102" x="668" y="1292.5"/><ellipse cx="683" cy="1308.5" fill="#ADD1B2" rx="11" ry="11" style="stroke: #A80036; stroke-width: 1.0;"/><path d="M685.9688,1314.1406 Q685.3906,1314.4375 684.75,1314.5859 Q684.1094,1314.7344 683.4063,1314.7344 Q680.9063,1314.7344 679.5859,1313.0859 Q678.2656,1311.4375 678.2656,1308.3125 Q678.2656,1305.1875 679.5859,1303.5313 Q680.9063,1301.875 683.4063,1301.875 Q
 684.1094,1301.875 684.7578,1302.0313 Q685.4063,1302.1875 685.9688,1302.4844 L685.9688,1305.2031 Q685.3438,1304.625 684.75,1304.3516 Q684.1563,1304.0781 683.5313,1304.0781 Q682.1875,1304.0781 681.5,1305.1484 Q680.8125,1306.2188 680.8125,1308.3125 Q680.8125,1310.4063 681.5,1311.4766 Q682.1875,1312.5469 683.5313,1312.5469 Q684.1563,1312.5469 684.75,1312.2734 Q685.3438,1312 685.9688,1311.4219 L685.9688,1314.1406 Z "/><text fill="#000000" font-family="sans-serif" font-size="12" lengthAdjust="spacingAndGlyphs" textLength="70" x="697" y="1312.6543">ResultError</text><line style="stroke: #A80036; stroke-width: 1.5;" x1="669" x2="769" y1="1324.5" y2="1324.5"/><text fill="#000000" font-family="sans-serif" font-size="11" lengthAdjust="spacingAndGlyphs" textLength="68" x="674" y="1338.7104">str @p msg</text><line style="stroke: #A80036; stroke-width: 1.5;" x1="669" x2="769" y1="1345.3047" y2="1345.3047"/><!--class ResultSuccess--><rect fill="#FEFECE" filter="url(#f17ckm9)" height="73.6094" styl
 e="stroke: #A80036; stroke-width: 1.5;" width="123" x="805.5" y="1286"/><ellipse cx="820.5" cy="1302" fill="#ADD1B2" rx="11" ry="11" style="stroke: #A80036; stroke-width: 1.0;"/><path d="M823.4688,1307.6406 Q822.8906,1307.9375 822.25,1308.0859 Q821.6094,1308.2344 820.9063,1308.2344 Q818.4063,1308.2344 817.0859,1306.5859 Q815.7656,1304.9375 815.7656,1301.8125 Q815.7656,1298.6875 817.0859,1297.0313 Q818.4063,1295.375 820.9063,1295.375 Q821.6094,1295.375 822.2578,1295.5313 Q822.9063,1295.6875 823.4688,1295.9844 L823.4688,1298.7031 Q822.8438,1298.125 822.25,1297.8516 Q821.6563,1297.5781 821.0313,1297.5781 Q819.6875,1297.5781 819,1298.6484 Q818.3125,1299.7188 818.3125,1301.8125 Q818.3125,1303.9063 819,1304.9766 Q819.6875,1306.0469 821.0313,1306.0469 Q821.6563,1306.0469 822.25,1305.7734 Q822.8438,1305.5 823.4688,1304.9219 L823.4688,1307.6406 Z "/><text fill="#000000" font-family="sans-serif" font-size="12" lengthAdjust="spacingAndGlyphs" textLength="91" x="834.5" y="1306.1543">ResultSucce
 ss</text><line style="stroke: #A80036; stroke-width: 1.5;" x1="806.5" x2="927.5" y1="1318" y2="1318"/><text fill="#000000" font-family="sans-serif" font-size="11" lengthAdjust="spacingAndGlyphs" textLength="64" x="811.5" y="1332.2104">list @p rtts</text><text fill="#000000" font-family="sans-serif" font-size="11" lengthAdjust="spacingAndGlyphs" textLength="105" x="811.5" y="1345.0151">list @p downloads</text><line style="stroke: #A80036; stroke-width: 1.5;" x1="806.5" x2="927.5" y1="1351.6094" y2="1351.6094"/><!--class Destination--><rect fill="#FEFECE" filter="url(#f17ckm9)" height="124.8281" style="stroke: #A80036; stroke-width: 1.5;" width="342" x="6" y="1260.5"/><ellipse cx="136.75" cy="1276.5" fill="#ADD1B2" rx="11" ry="11" style="stroke: #A80036; stroke-width: 1.0;"/><path d="M139.7188,1282.1406 Q139.1406,1282.4375 138.5,1282.5859 Q137.8594,1282.7344 137.1563,1282.7344 Q134.6563,1282.7344 133.3359,1281.0859 Q132.0156,1279.4375 132.0156,1276.3125 Q132.0156,1273.1875 133.3359,12
 71.5313 Q134.6563,1269.875 137.1563,1269.875 Q137.8594,1269.875 138.5078,1270.0313 Q139.1563,1270.1875 139.7188,1270.4844 L139.7188,1273.2031 Q139.0938,1272.625 138.5,1272.3516 Q137.9063,1272.0781 137.2813,1272.0781 Q135.9375,1272.0781 135.25,1273.1484 Q134.5625,1274.2188 134.5625,1276.3125 Q134.5625,1278.4063 135.25,1279.4766 Q135.9375,1280.5469 137.2813,1280.5469 Q137.9063,1280.5469 138.5,1280.2734 Q139.0938,1280 139.7188,1279.4219 L139.7188,1282.1406 Z "/><text fill="#000000" font-family="sans-serif" font-size="12" lengthAdjust="spacingAndGlyphs" textLength="72" x="157.25" y="1280.6543">Destination</text><line style="stroke: #A80036; stroke-width: 1.5;" x1="7" x2="347" y1="1292.5" y2="1292.5"/><text fill="#000000" font-family="sans-serif" font-size="11" lengthAdjust="spacingAndGlyphs" textLength="100" x="12" y="1306.7104">str @p hostname</text><text fill="#000000" font-family="sans-serif" font-size="11" lengthAdjust="spacingAndGlyphs" textLength="64" x="12" y="1319.5151">int @p p
 ort</text><text fill="#000000" font-family="sans-serif" font-size="11" lengthAdjust="spacingAndGlyphs" textLength="58" x="12" y="1332.3198">str @p url</text><text fill="#000000" font-family="sans-serif" font-size="11" lengthAdjust="spacingAndGlyphs" textLength="82" x="12" y="1345.1245">bool @p verify</text><line style="stroke: #A80036; stroke-width: 1.5;" x1="7" x2="347" y1="1351.7188" y2="1351.7188"/><text fill="#000000" font-family="sans-serif" font-size="11" lengthAdjust="spacingAndGlyphs" textLength="90" x="12" y="1365.9292">bool is_usable()</text><text fill="#000000" font-family="sans-serif" font-size="11" lengthAdjust="spacingAndGlyphs" textLength="330" x="12" y="1378.7339">Destination @sm from_config(str conf_section,int max_dl)</text><!--class Result.Relay--><rect fill="#FEFECE" filter="url(#f17ckm9)" height="163.2422" style="stroke: #A80036; stroke-width: 1.5;" width="250" x="383" y="1241.5"/><ellipse cx="465.75" cy="1257.5" fill="#ADD1B2" rx="11" ry="11" style="stroke: #A8
 0036; stroke-width: 1.0;"/><path d="M468.7188,1263.1406 Q468.1406,1263.4375 467.5,1263.5859 Q466.8594,1263.7344 466.1563,1263.7344 Q463.6563,1263.7344 462.3359,1262.0859 Q461.0156,1260.4375 461.0156,1257.3125 Q461.0156,1254.1875 462.3359,1252.5313 Q463.6563,1250.875 466.1563,1250.875 Q466.8594,1250.875 467.5078,1251.0313 Q468.1563,1251.1875 468.7188,1251.4844 L468.7188,1254.2031 Q468.0938,1253.625 467.5,1253.3516 Q466.9063,1253.0781 466.2813,1253.0781 Q464.9375,1253.0781 464.25,1254.1484 Q463.5625,1255.2188 463.5625,1257.3125 Q463.5625,1259.4063 464.25,1260.4766 Q464.9375,1261.5469 466.2813,1261.5469 Q466.9063,1261.5469 467.5,1261.2734 Q468.0938,1261 468.7188,1260.4219 L468.7188,1263.1406 Z "/><text fill="#000000" font-family="sans-serif" font-size="12" lengthAdjust="spacingAndGlyphs" textLength="76" x="486.25" y="1261.6543">Result.Relay</text><line style="stroke: #A80036; stroke-width: 1.5;" x1="384" x2="632" y1="1273.5" y2="1273.5"/><text fill="#000000" font-family="sans-serif" fo
 nt-size="11" lengthAdjust="spacingAndGlyphs" textLength="74" x="389" y="1287.7104">str nickname</text><text fill="#000000" font-family="sans-serif" font-size="11" lengthAdjust="spacingAndGlyphs" textLength="79" x="389" y="1300.5151">str fingerprint</text><text fill="#000000" font-family="sans-serif" font-size="11" lengthAdjust="spacingAndGlyphs" textLength="67" x="389" y="1313.3198">str address</text><text fill="#000000" font-family="sans-serif" font-size="11" lengthAdjust="spacingAndGlyphs" textLength="141" x="389" y="1326.1245">str master_key_ed25519</text><text fill="#000000" font-family="sans-serif" font-size="11" lengthAdjust="spacingAndGlyphs" textLength="135" x="389" y="1338.9292">int observed_bandwidth</text><text fill="#000000" font-family="sans-serif" font-size="11" lengthAdjust="spacingAndGlyphs" textLength="128" x="389" y="1351.7339">int average_bandwidth</text><text fill="#000000" font-family="sans-serif" font-size="11" lengthAdjust="spacingAndGlyphs" textLength="112" x
 ="389" y="1364.5386">int burst_bandwidth</text><text fill="#000000" font-family="sans-serif" font-size="11" lengthAdjust="spacingAndGlyphs" textLength="144" x="389" y="1377.3433">int consensus_bandwidth</text><text fill="#000000" font-family="sans-serif" font-size="11" lengthAdjust="spacingAndGlyphs" textLength="238" x="389" y="1390.1479">int consensus_bandwidth_is_unmeasured</text><line style="stroke: #A80036; stroke-width: 1.5;" x1="384" x2="632" y1="1396.7422" y2="1396.7422"/><!--class ResultErrorCircuit--><rect fill="#FEFECE" filter="url(#f17ckm9)" height="48" style="stroke: #A80036; stroke-width: 1.5;" width="141" x="559.5" y="1516"/><ellipse cx="574.5" cy="1532" fill="#ADD1B2" rx="11" ry="11" style="stroke: #A80036; stroke-width: 1.0;"/><path d="M577.4688,1537.6406 Q576.8906,1537.9375 576.25,1538.0859 Q575.6094,1538.2344 574.9063,1538.2344 Q572.4063,1538.2344 571.0859,1536.5859 Q569.7656,1534.9375 569.7656,1531.8125 Q569.7656,1528.6875 571.0859,1527.0313 Q572.4063,1525.375 574
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 " style="stroke: #A80036; stroke-width: 1.0;"/><path d="M753.4688,1537.6406 Q752.8906,1537.9375 752.25,1538.0859 Q751.6094,1538.2344 750.9063,1538.2344 Q748.4063,1538.2344 747.0859,1536.5859 Q745.7656,1534.9375 745.7656,1531.8125 Q745.7656,1528.6875 747.0859,1527.0313 Q748.4063,1525.375 750.9063,1525.375 Q751.6094,1525.375 752.2578,1525.5313 Q752.9063,1525.6875 753.4688,1525.9844 L753.4688,1528.7031 Q752.8438,1528.125 752.25,1527.8516 Q751.6563,1527.5781 751.0313,1527.5781 Q749.6875,1527.5781 749,1528.6484 Q748.3125,1529.7188 748.3125,1531.8125 Q748.3125,1533.9063 749,1534.9766 Q749.6875,1536.0469 751.0313,1536.0469 Q751.6563,1536.0469 752.25,1535.7734 Q752.8438,1535.5 753.4688,1534.9219 L753.4688,1537.6406 Z "/><text fill="#000000" font-family="sans-serif" font-size="12" lengthAdjust="spacingAndGlyphs" textLength="115" x="764.5" y="1536.1543">ResultErrorStream</text><line style="stroke: #A80036; stroke-width: 1.5;" x1="736.5" x2="881.5" y1="1548" y2="1548"/><line style="stroke: #A8
 0036; stroke-width: 1.5;" x1="736.5" x2="881.5" y1="1556" y2="1556"/><!--class DestinationList--><rect fill="#FEFECE" filter="url(#f17ckm9)" height="86.4141" style="stroke: #A80036; stroke-width: 1.5;" width="221" x="66.5" y="948"/><ellipse cx="126.25" cy="964" fill="#ADD1B2" rx="11" ry="11" style="stroke: #A80036; stroke-width: 1.0;"/><path d="M129.2188,969.6406 Q128.6406,969.9375 128,970.0859 Q127.3594,970.2344 126.6563,970.2344 Q124.1563,970.2344 122.8359,968.5859 Q121.5156,966.9375 121.5156,963.8125 Q121.5156,960.6875 122.8359,959.0313 Q124.1563,957.375 126.6563,957.375 Q127.3594,957.375 128.0078,957.5313 Q128.6563,957.6875 129.2188,957.9844 L129.2188,960.7031 Q128.5938,960.125 128,959.8516 Q127.4063,959.5781 126.7813,959.5781 Q125.4375,959.5781 124.75,960.6484 Q124.0625,961.7188 124.0625,963.8125 Q124.0625,965.9063 124.75,966.9766 Q125.4375,968.0469 126.7813,968.0469 Q127.4063,968.0469 128,967.7734 Q128.5938,967.5 129.2188,966.9219 L129.2188,969.6406 Z "/><text fill="#000000" f
 ont-family="sans-serif" font-size="12" lengthAdjust="spacingAndGlyphs" textLength="93" x="146.75" y="968.1543">DestinationList</text><line style="stroke: #A80036; stroke-width: 1.5;" x1="67.5" x2="286.5" y1="980" y2="980"/><text fill="#000000" font-family="sans-serif" font-size="11" lengthAdjust="spacingAndGlyphs" textLength="35" x="72.5" y="994.2104">list _rl</text><line style="stroke: #A80036; stroke-width: 1.5;" x1="67.5" x2="286.5" y1="1000.8047" y2="1000.8047"/><text fill="#000000" font-family="sans-serif" font-size="11" lengthAdjust="spacingAndGlyphs" textLength="100" x="72.5" y="1015.0151">Destination next()</text><text fill="#000000" font-family="sans-serif" font-size="11" lengthAdjust="spacingAndGlyphs" textLength="209" x="72.5" y="1027.8198">DestinationList @sm from_config(...)</text><!--class V3BWHeader--><rect fill="#FEFECE" filter="url(#f17ckm9)" height="291.2891" style="stroke: #A80036; stroke-width: 1.5;" width="322" x="181" y="449.5"/><ellipse cx="297.25" cy="465.5" 
 fill="#ADD1B2" rx="11" ry="11" style="stroke: #A80036; stroke-width: 1.0;"/><path d="M300.2188,471.1406 Q299.6406,471.4375 299,471.5859 Q298.3594,471.7344 297.6563,471.7344 Q295.1563,471.7344 293.8359,470.0859 Q292.5156,468.4375 292.5156,465.3125 Q292.5156,462.1875 293.8359,460.5313 Q295.1563,458.875 297.6563,458.875 Q298.3594,458.875 299.0078,459.0313 Q299.6563,459.1875 300.2188,459.4844 L300.2188,462.2031 Q299.5938,461.625 299,461.3516 Q298.4063,461.0781 297.7813,461.0781 Q296.4375,461.0781 295.75,462.1484 Q295.0625,463.2188 295.0625,465.3125 Q295.0625,467.4063 295.75,468.4766 Q296.4375,469.5469 297.7813,469.5469 Q298.4063,469.5469 299,469.2734 Q299.5938,469 300.2188,468.4219 L300.2188,471.1406 Z "/><text fill="#000000" font-family="sans-serif" font-size="12" lengthAdjust="spacingAndGlyphs" textLength="81" x="317.75" y="469.6543">V3BWHeader</text><line style="stroke: #A80036; stroke-width: 1.5;" x1="182" x2="502" y1="481.5" y2="481.5"/><text fill="#000000" font-family="sans-serif"
  font-size="11" lengthAdjust="spacingAndGlyphs" textLength="79" x="187" y="495.7104">int timestamp</text><text fill="#000000" font-family="sans-serif" font-size="11" lengthAdjust="spacingAndGlyphs" textLength="62" x="187" y="508.5151">str version</text><text fill="#000000" font-family="sans-serif" font-size="11" lengthAdjust="spacingAndGlyphs" textLength="86" x="187" y="521.3198">str file_created</text><text fill="#000000" font-family="sans-serif" font-size="11" lengthAdjust="spacingAndGlyphs" textLength="116" x="187" y="534.1245">str latest_bandwidth</text><text fill="#000000" font-family="sans-serif" font-size="11" lengthAdjust="spacingAndGlyphs" textLength="76" x="187" y="546.9292">int num_lines</text><text fill="#000000" font-family="sans-serif" font-size="11" lengthAdjust="spacingAndGlyphs" textLength="70" x="187" y="559.7339">str software</text><text fill="#000000" font-family="sans-serif" font-size="11" lengthAdjust="spacingAndGlyphs" textLength="118" x="187" y="572.5386">str
  software_version</text><text fill="#000000" font-family="sans-serif" font-size="11" lengthAdjust="spacingAndGlyphs" textLength="123" x="187" y="585.3433">str generator_started</text><text fill="#000000" font-family="sans-serif" font-size="11" lengthAdjust="spacingAndGlyphs" textLength="149" x="187" y="598.1479">int number_eligible_relays</text><text fill="#000000" font-family="sans-serif" font-size="11" lengthAdjust="spacingAndGlyphs" textLength="208" x="187" y="610.9526">int minimum_number_eligible_relays</text><text fill="#000000" font-family="sans-serif" font-size="11" lengthAdjust="spacingAndGlyphs" textLength="171" x="187" y="623.7573">int number_consensus_relays</text><text fill="#000000" font-family="sans-serif" font-size="11" lengthAdjust="spacingAndGlyphs" textLength="148" x="187" y="636.562">int percent_eligible_relays</text><text fill="#000000" font-family="sans-serif" font-size="11" lengthAdjust="spacingAndGlyphs" textLength="207" x="187" y="649.3667">int minimum_percen
 t_eligible_relays</text><text fill="#000000" font-family="sans-serif" font-size="11" lengthAdjust="spacingAndGlyphs" textLength="99" x="187" y="662.1714">int @p num_lines</text><line style="stroke: #A80036; stroke-width: 1.5;" x1="182" x2="502" y1="668.7656" y2="668.7656"/><text fill="#000000" font-family="sans-serif" font-size="11" lengthAdjust="spacingAndGlyphs" textLength="254" x="187" y="682.9761">V3BWHeader @cm from_results(dict results)</text><text fill="#000000" font-family="sans-serif" font-size="11" lengthAdjust="spacingAndGlyphs" textLength="117" x="187" y="695.7808">add_stats(**kwargs)</text><text fill="#000000" font-family="sans-serif" font-size="11" lengthAdjust="spacingAndGlyphs" textLength="310" x="187" y="708.5854">int @sm earliest_bandwidth_from_results(dict results)</text><text fill="#000000" font-family="sans-serif" font-size="11" lengthAdjust="spacingAndGlyphs" textLength="285" x="187" y="721.3901">str @sm generator_started_from_file(dict results)</text><text fil
 l="#000000" font-family="sans-serif" font-size="11" lengthAdjust="spacingAndGlyphs" textLength="299" x="187" y="734.1948">int @sm latest_bandwidth_from_results(dict results)</text><!--class V3BWLine--><rect fill="#FEFECE" filter="url(#f17ckm9)" height="393.7266" style="stroke: #A80036; stroke-width: 1.5;" width="326" x="538" y="398"/><ellipse cx="666.75" cy="414" fill="#ADD1B2" rx="11" ry="11" style="stroke: #A80036; stroke-width: 1.0;"/><path d="M669.7188,419.6406 Q669.1406,419.9375 668.5,420.0859 Q667.8594,420.2344 667.1563,420.2344 Q664.6563,420.2344 663.3359,418.5859 Q662.0156,416.9375 662.0156,413.8125 Q662.0156,410.6875 663.3359,409.0313 Q664.6563,407.375 667.1563,407.375 Q667.8594,407.375 668.5078,407.5313 Q669.1563,407.6875 669.7188,407.9844 L669.7188,410.7031 Q669.0938,410.125 668.5,409.8516 Q667.9063,409.5781 667.2813,409.5781 Q665.9375,409.5781 665.25,410.6484 Q664.5625,411.7188 664.5625,413.8125 Q664.5625,415.9063 665.25,416.9766 Q665.9375,418.0469 667.2813,418.0469 Q667
 .9063,418.0469 668.5,417.7734 Q669.0938,417.5 669.7188,416.9219 L669.7188,419.6406 Z "/><text fill="#000000" font-family="sans-serif" font-size="12" lengthAdjust="spacingAndGlyphs" textLength="60" x="687.25" y="418.1543">V3BWLine</text><line style="stroke: #A80036; stroke-width: 1.5;" x1="539" x2="863" y1="430" y2="430"/><text fill="#000000" font-family="sans-serif" font-size="11" lengthAdjust="spacingAndGlyphs" textLength="34" x="544" y="444.2104">int bw</text><text fill="#000000" font-family="sans-serif" font-size="11" lengthAdjust="spacingAndGlyphs" textLength="64" x="544" y="457.0151">str node_id</text><text fill="#000000" font-family="sans-serif" font-size="11" lengthAdjust="spacingAndGlyphs" textLength="141" x="544" y="469.8198">str master_key_ed25519</text><text fill="#000000" font-family="sans-serif" font-size="11" lengthAdjust="spacingAndGlyphs" textLength="42" x="544" y="482.6245">str nick</text><text fill="#000000" font-family="sans-serif" font-size="11" lengthAdjust="spa
 cingAndGlyphs" textLength="31" x="544" y="495.4292">int rtt</text><text fill="#000000" font-family="sans-serif" font-size="11" lengthAdjust="spacingAndGlyphs" textLength="45" x="544" y="508.2339">str time</text><text fill="#000000" font-family="sans-serif" font-size="11" lengthAdjust="spacingAndGlyphs" textLength="65" x="544" y="521.0386">int success</text><text fill="#000000" font-family="sans-serif" font-size="11" lengthAdjust="spacingAndGlyphs" textLength="94" x="544" y="533.8433">int error_stream</text><text fill="#000000" font-family="sans-serif" font-size="11" lengthAdjust="spacingAndGlyphs" textLength="73" x="544" y="546.6479">int error_circ</text><text fill="#000000" font-family="sans-serif" font-size="11" lengthAdjust="spacingAndGlyphs" textLength="80" x="544" y="559.4526">int error_misc</text><text fill="#000000" font-family="sans-serif" font-size="11" lengthAdjust="spacingAndGlyphs" textLength="82" x="544" y="572.2573">int bw_median</text><text fill="#000000" font-family=
 "sans-serif" font-size="11" lengthAdjust="spacingAndGlyphs" textLength="72" x="544" y="585.062">int bw_mean</text><text fill="#000000" font-family="sans-serif" font-size="11" lengthAdjust="spacingAndGlyphs" textLength="93" x="544" y="597.8667">int desc_bw_avg</text><text fill="#000000" font-family="sans-serif" font-size="11" lengthAdjust="spacingAndGlyphs" textLength="92" x="544" y="610.6714">int desc_bw_bur</text><text fill="#000000" font-family="sans-serif" font-size="11" lengthAdjust="spacingAndGlyphs" textLength="121" x="544" y="623.4761">int desc_bw_obs_last</text><text fill="#000000" font-family="sans-serif" font-size="11" lengthAdjust="spacingAndGlyphs" textLength="132" x="544" y="636.2808">int desc_bw_obs_mean</text><text fill="#000000" font-family="sans-serif" font-size="11" lengthAdjust="spacingAndGlyphs" textLength="126" x="544" y="649.0854">consensus_bandwidth</text><text fill="#000000" font-family="sans-serif" font-size="11" lengthAdjust="spacingAndGlyphs" textLength="2
 20" x="544" y="661.8901">consensus_bandwidth_is_unmeasured</text><line style="stroke: #A80036; stroke-width: 1.5;" x1="539" x2="863" y1="668.4844" y2="668.4844"/><text fill="#000000" font-family="sans-serif" font-size="11" lengthAdjust="spacingAndGlyphs" textLength="254" x="544" y="682.6948">int @sm bw_mean_from_results(list results)</text><text fill="#000000" font-family="sans-serif" font-size="11" lengthAdjust="spacingAndGlyphs" textLength="264" x="544" y="695.4995">int @sm bw_median_from_results(list results)</text><text fill="#000000" font-family="sans-serif" font-size="11" lengthAdjust="spacingAndGlyphs" textLength="303" x="544" y="708.3042">int @sm desc_bw_obs_last_from_results(list results)</text><text fill="#000000" font-family="sans-serif" font-size="11" lengthAdjust="spacingAndGlyphs" textLength="314" x="544" y="721.1089">int @sm desc_bw_obs_mean_from_results(list results)</text><text fill="#000000" font-family="sans-serif" font-size="11" lengthAdjust="spacingAndGlyphs" te
 xtLength="233" x="544" y="733.9136">V3BWLine @cm from_results(list results)</text><text fill="#000000" font-family="sans-serif" font-size="11" lengthAdjust="spacingAndGlyphs" textLength="254" x="544" y="746.7183">str @sm last_time_from_results(list results)</text><text fill="#000000" font-family="sans-serif" font-size="11" lengthAdjust="spacingAndGlyphs" textLength="276" x="544" y="759.5229">dict @sm result_types_from_results(list results)</text><text fill="#000000" font-family="sans-serif" font-size="11" lengthAdjust="spacingAndGlyphs" textLength="268" x="544" y="772.3276">list @sm results_away_each_other(list results)</text><text fill="#000000" font-family="sans-serif" font-size="11" lengthAdjust="spacingAndGlyphs" textLength="237" x="544" y="785.1323">list @sm results_recent_than(list results)</text><!--class V3BWFile--><rect fill="#FEFECE" filter="url(#f17ckm9)" height="329.7031" style="stroke: #A80036; stroke-width: 1.5;" width="370" x="157" y="8"/><ellipse cx="309.75" cy="24" 
 fill="#ADD1B2" rx="11" ry="11" style="stroke: #A80036; stroke-width: 1.0;"/><path d="M312.7188,29.6406 Q312.1406,29.9375 311.5,30.0859 Q310.8594,30.2344 310.1563,30.2344 Q307.6563,30.2344 306.3359,28.5859 Q305.0156,26.9375 305.0156,23.8125 Q305.0156,20.6875 306.3359,19.0313 Q307.6563,17.375 310.1563,17.375 Q310.8594,17.375 311.5078,17.5313 Q312.1563,17.6875 312.7188,17.9844 L312.7188,20.7031 Q312.0938,20.125 311.5,19.8516 Q310.9063,19.5781 310.2813,19.5781 Q308.9375,19.5781 308.25,20.6484 Q307.5625,21.7188 307.5625,23.8125 Q307.5625,25.9063 308.25,26.9766 Q308.9375,28.0469 310.2813,28.0469 Q310.9063,28.0469 311.5,27.7734 Q312.0938,27.5 312.7188,26.9219 L312.7188,29.6406 Z "/><text fill="#000000" font-family="sans-serif" font-size="12" lengthAdjust="spacingAndGlyphs" textLength="56" x="330.25" y="28.1543">V3BWFile</text><line style="stroke: #A80036; stroke-width: 1.5;" x1="158" x2="526" y1="40" y2="40"/><text fill="#000000" font-family="sans-serif" font-size="11" lengthAdjust="spacin
 gAndGlyphs" textLength="116" x="163" y="54.2104">V3BWHeader header</text><text fill="#000000" font-family="sans-serif" font-size="11" lengthAdjust="spacingAndGlyphs" textLength="70" x="163" y="67.0151">list bw_lines</text><text fill="#000000" font-family="sans-serif" font-size="11" lengthAdjust="spacingAndGlyphs" textLength="79" x="163" y="79.8198">@p info_stats</text><text fill="#000000" font-family="sans-serif" font-size="11" lengthAdjust="spacingAndGlyphs" textLength="119" x="163" y="92.6245">bool @p is_min_perc</text><text fill="#000000" font-family="sans-serif" font-size="11" lengthAdjust="spacingAndGlyphs" textLength="87" x="163" y="105.4292">int @p max_bw</text><text fill="#000000" font-family="sans-serif" font-size="11" lengthAdjust="spacingAndGlyphs" textLength="95" x="163" y="118.2339">int @p mean_bw</text><text fill="#000000" font-family="sans-serif" font-size="11" lengthAdjust="spacingAndGlyphs" textLength="105" x="163" y="131.0386">int @p median_bw</text><text fill="#00
 0000" font-family="sans-serif" font-size="11" lengthAdjust="spacingAndGlyphs" textLength="84" x="163" y="143.8433">int @p min_bw</text><text fill="#000000" font-family="sans-serif" font-size="11" lengthAdjust="spacingAndGlyphs" textLength="66" x="163" y="156.6479">int @p num</text><text fill="#000000" font-family="sans-serif" font-size="11" lengthAdjust="spacingAndGlyphs" textLength="88" x="163" y="169.4526">int @p sum_bw</text><line style="stroke: #A80036; stroke-width: 1.5;" x1="158" x2="526" y1="176.0469" y2="176.0469"/><text fill="#000000" font-family="sans-serif" font-size="11" lengthAdjust="spacingAndGlyphs" textLength="252" x="163" y="190.2573">V3BWFile @cm from_results(dict results, ...)</text><text fill="#000000" font-family="sans-serif" font-size="11" lengthAdjust="spacingAndGlyphs" textLength="147" x="163" y="203.062">list @sm bw_kb(bw_lines)</text><text fill="#000000" font-family="sans-serif" font-size="11" lengthAdjust="spacingAndGlyphs" textLength="200" x="163" y="215.
 8667">list @sm bw_sbws_scale(bw_lines)</text><text fill="#000000" font-family="sans-serif" font-size="11" lengthAdjust="spacingAndGlyphs" textLength="209" x="163" y="228.6714">list @sm bw_torflow_scale(bw_lines)</text><text fill="#000000" font-family="sans-serif" font-size="11" lengthAdjust="spacingAndGlyphs" textLength="288" x="163" y="241.4761">bool @sm is_max_bw_diff_perc_reached(bw_lines)</text><text fill="#000000" font-family="sans-serif" font-size="11" lengthAdjust="spacingAndGlyphs" textLength="306" x="163" y="254.2808">(dict, bool) @sm measured_progress_stats(bw_lines)</text><text fill="#000000" font-family="sans-serif" font-size="11" lengthAdjust="spacingAndGlyphs" textLength="358" x="163" y="267.0854">int @sm read_number_consensus_relays(str consensus_path)</text><text fill="#000000" font-family="sans-serif" font-size="11" lengthAdjust="spacingAndGlyphs" textLength="118" x="163" y="279.8901">(list, list, list) to_plt()</text><text fill="#000000" font-family="sans-serif" fo
 nt-size="11" lengthAdjust="spacingAndGlyphs" textLength="195" x="163" y="292.6948">list update_progress(bw_lines, ...)</text><text fill="#000000" font-family="sans-serif" font-size="11" lengthAdjust="spacingAndGlyphs" textLength="245" x="163" y="305.4995">warn_if_not_accurate_enough(bw_lines, ...)</text><text fill="#000000" font-family="sans-serif" font-size="11" lengthAdjust="spacingAndGlyphs" textLength="83" x="163" y="318.3042">tuple to_plt(...)</text><text fill="#000000" font-family="sans-serif" font-size="11" lengthAdjust="spacingAndGlyphs" textLength="92" x="163" y="331.1089">write(str output)</text><!--class CircuitBuilder--><rect fill="#FEFECE" filter="url(#f17ckm9)" height="124.8281" style="stroke: #A80036; stroke-width: 1.5;" width="126" x="1271" y="532.5"/><ellipse cx="1291.4" cy="548.5" fill="#ADD1B2" rx="11" ry="11" style="stroke: #A80036; stroke-width: 1.0;"/><path d="M1294.3688,554.1406 Q1293.7906,554.4375 1293.15,554.5859 Q1292.5094,554.7344 1291.8063,554.7344 Q1289.
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\ No newline at end of file
diff --git a/docs/source/threads.puml b/docs/source/threads.puml
new file mode 100644
index 0000000..fcacba9
--- /dev/null
+++ b/docs/source/threads.puml
@@ -0,0 +1,23 @@
+@startuml
+
+start
+
+:MainThread;
+  fork
+    :TorEventListener;
+  fork again
+    :ResultDump;
+  fork again
+    :workers_thread;
+  fork again
+    :tasks_thread;
+  fork again
+    :resutls_tread;
+  fork again
+  while (threads < 3?)
+      :measure_relay;
+  endwhile
+  end fork
+
+
+@enduml
\ No newline at end of file



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