commit dda6db79021996b26ca22516b03cac51551afca1
author Austin Schuh <austin.schuh@bluerivertech.com> Wed Jun 21 17:02:34 2023 -0700
committer James Kuszmaul <jabukuszmaul+collab@gmail.com> Sun Jul 23 08:37:25 2023 -0700
tree a0f99f20f63d993553cde259e885b880694ee287
parent fff9c3a719f0a88b0e0baed5686d00fcfed04b91

Add per channel storage durations

This lets us save images for less time than everything else, since they
are the main driver of queue memory usage.

Change-Id: I677791e20af6aedb0288d09cf5963b4dde30ecce
Signed-off-by: James Kuszmaul <james.kuszmaul@bluerivertech.com>

aos/configuration.cc

diff --git a/aos/configuration.cc b/aos/configuration.cc
index e674a75..5afbee0 100644
--- a/aos/configuration.cc
+++ b/aos/configuration.cc
@@ -968,7 +968,7 @@
   std::map<std::string_view, flatbuffers::Offset<reflection::Schema>>
       schema_cache;
 
-  CHECK_EQ(Channel::MiniReflectTypeTable()->num_elems, 13u)
+  CHECK_EQ(Channel::MiniReflectTypeTable()->num_elems, 14u)
       << ": Merging logic needs to be updated when the number of channel "
          "fields changes.";
 
@@ -1065,6 +1065,10 @@
       if (c->has_num_readers()) {
         channel_builder.add_num_readers(c->num_readers());
       }
+      if (c->has_channel_storage_duration()) {
+        channel_builder.add_channel_storage_duration(
+            c->channel_storage_duration());
+      }
       channel_offsets.emplace_back(channel_builder.Finish());
     }
     channels_offset = fbb.CreateVector(channel_offsets);
@@ -1612,6 +1616,9 @@
 chrono::nanoseconds ChannelStorageDuration(const Configuration *config,
                                            const Channel *channel) {
   CHECK(channel != nullptr);
+  if (channel->has_channel_storage_duration()) {
+    return chrono::nanoseconds(channel->channel_storage_duration());
+  }
   return chrono::nanoseconds(config->channel_storage_duration());
 }