Support floats for speed value in traffic updates CSV (#6327)

Author: SiarheiFedartsou

.github/workflows/osrm-backend.yml

@@ -26,7 +26,7 @@ jobs:
     continue-on-error: false
     steps:
     - uses: actions/checkout@v3
-    - run: pip install conan==1.50.0
+    - run: pip install conan==1.51.3
     - run: conan --version
     - run: cmake --version
     - uses: actions/setup-node@v3

CHANGELOG.md

@@ -9,6 +9,7 @@
     - NodeJS:
       - FIXED: Support `skip_waypoints` in Node bindings [#6060](https://github.com/Project-OSRM/osrm-backend/pull/6060)
     - Misc:
+      - ADDED: Support floats for speed value in traffic updates CSV. [#6327](https://github.com/Project-OSRM/osrm-backend/pull/6327)
       - CHANGED: Use Lua 5.4 in Docker image. [#6346](https://github.com/Project-OSRM/osrm-backend/pull/6346)
       - CHANGED: Remove redundant nullptr check. [#6326](https://github.com/Project-OSRM/osrm-backend/pull/6326)
       - CHANGED: missing files list is included in exception message. [#5360](https://github.com/Project-OSRM/osrm-backend/pull/5360)

features/testbot/weight.feature

@@ -329,7 +329,7 @@ Feature: Weight tests
             | ce    |
         And the speed file
             """
-            1,2,36,42
+            1,2,36.999,42
             2,1,36,42
             """
         And the turn penalty file
@@ -341,8 +341,8 @@ Feature: Weight tests
 
         When I route I should get
             | waypoints | route | distance | weights   | times        |
-            | a,d       | ,     | 60m      | 20.5,0    | 24s,0s       |
-            | a,e       | ,,    | 60m      | 27.2,10,0 | 38.5s,11s,0s |
+            | a,d       | ,     | 60m      | 20.5,0    | 23.9s,0s       |
+            | a,e       | ,,    | 60m      | 27.2,10,0 | 38.4s,11s,0s |
             | d,e       | ,,    | 40m      | 10,10,0   | 11s,11s,0s   |
 
     @traffic @speed

include/updater/source.hpp

@@ -49,8 +49,8 @@ struct Segment final
 
 struct SpeedSource final
 {
-    SpeedSource() : speed(0), rate() {}
-    unsigned speed;
+    SpeedSource() : speed(0.), rate() {}
+    double speed;
     boost::optional<double> rate;
     std::uint8_t source;
 };

src/updater/csv_source.cpp

@@ -34,10 +34,11 @@ namespace csv
 SegmentLookupTable readSegmentValues(const std::vector<std::string> &paths)
 {
     static const auto value_if_blank = std::numeric_limits<double>::quiet_NaN();
+    const qi::real_parser<double, qi::ureal_policies<double>> unsigned_double;
     CSVFilesParser<Segment, SpeedSource> parser(
         1,
         qi::ulong_long >> ',' >> qi::ulong_long,
-        qi::uint_ >> -(',' >> (qi::double_ | qi::attr(value_if_blank))));
+        unsigned_double >> -(',' >> (qi::double_ | qi::attr(value_if_blank))));
 
     // Check consistency of keys in the result lookup table
     auto result = parser(paths);