From 33fd03ca0d864d091f6745a2981875d706b63cb6 Mon Sep 17 00:00:00 2001
From: Jm Casler <jm@casler.org>
Date: Sat, 27 Nov 2021 10:03:15 -0800
Subject: [PATCH 1/3] Draft of SF protobuf

---
 store_and_forward.proto | 127 ++++++++++++++++++++++++++++++++++++++++
 1 file changed, 127 insertions(+)
 create mode 100644 store_and_forward.proto

diff --git a/store_and_forward.proto b/store_and_forward.proto
new file mode 100644
index 0000000..7a2e738
--- /dev/null
+++ b/store_and_forward.proto
@@ -0,0 +1,127 @@
+syntax = "proto3";
+
+option java_package = "com.geeksville.mesh";
+option java_outer_classname = "StoreAndForward";
+option optimize_for = LITE_RUNTIME;
+option go_package = "github.com/meshtastic/gomeshproto";
+
+
+
+    
+
+message StoreAndForwardMessage {
+
+    /*
+     * 1 - 100 = From router
+     * 101-200 = From client
+     */
+    enum RequestResponse {
+        /*
+         * Unset/unused
+         */
+        UNSET = 0;
+
+        ROUTER_ERROR = 1;
+
+        ROUTER_HEARTBEAT = 2;
+
+        /*
+         * Router has requested the client respond. This can work as a
+         * "are you there" message.
+         */
+        ROUTER_PING = 3;
+
+        /*
+         * The response to a "Ping"
+         */
+        ROUTER_PONG = 4;
+
+        /*
+         * Router is currently busy. Please try again later.
+         */
+        ROUTER_BUSY = 5;
+
+        CLIENT_ERROR = 101;
+
+        /*
+         * Client has requested a replay from the router.
+         */
+        CLIENT_HISTORY = 102;
+
+        /*
+         * Client has requested stats from the router.
+         */
+        CLIENT_STATS = 103;
+
+        /*
+         * Client has requested the router respond. This can work as a
+         * "are you there" message.
+         */
+        CLIENT_PING = 104;
+
+        /*
+         * The response to a "Ping"
+         */
+        CLIENT_PONG = 105;
+
+        MAX = 255;
+    }
+
+
+    message Statistics {
+
+        /*
+        * Number of messages we have ever seen
+        */
+        uint32 MessagesTotal = 1;
+
+        /*
+        * Number of messages we have currently saved our history.
+        */
+        uint32 MessagesSaved = 2;
+
+        /*
+        * Maximum number of messages we will save
+        */
+        uint32 MessagesMax = 3;
+
+        /*
+        * Router uptime in seconds
+        */
+        uint32 UpTime = 4;
+
+        /*
+        * Number of times any client sent a request to the S&F.
+        */
+        uint32 Requests = 5;
+
+        /*
+        * Number of times the history was requested.
+        */
+        uint32 RequestsHistory = 6;
+
+    }
+
+    message History {
+
+        /*
+        * Number of that will be sent to the client
+        */
+        uint32 HistoryMessages = 1;
+
+        /*
+        * Earliest message (seconds since now)
+        */
+        uint32 Earliest = 2;
+
+    }
+
+
+    RequestResponse rr = 1;
+
+    Statistics stats = 2;
+
+    History history = 3;
+
+
+}
\ No newline at end of file

From b82ebc0e79d6460599ad9ac11f642734469f94a7 Mon Sep 17 00:00:00 2001
From: Jm Casler <jm@casler.org>
Date: Sat, 27 Nov 2021 10:44:35 -0800
Subject: [PATCH 2/3] Update draft of SF Protobuf

---
 store_and_forward.proto | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/store_and_forward.proto b/store_and_forward.proto
index 7a2e738..ad61f61 100644
--- a/store_and_forward.proto
+++ b/store_and_forward.proto
@@ -110,9 +110,9 @@ message StoreAndForwardMessage {
         uint32 HistoryMessages = 1;
 
         /*
-        * Earliest message (seconds since now)
+        * The window of messages that was used to filter the history client requested
         */
-        uint32 Earliest = 2;
+        uint32 Window = 2;
 
     }
 

From 9d325fd103e098b488fe2f729316dcf2c64c63cf Mon Sep 17 00:00:00 2001
From: Jm Casler <jm@casler.org>
Date: Sun, 28 Nov 2021 19:22:43 -0800
Subject: [PATCH 3/3] Update to protobufs for S&F

---
 radioconfig.proto                             |  3 +++
 store_and_forward.proto => storeforward.proto | 20 +++++++++++++++++--
 2 files changed, 21 insertions(+), 2 deletions(-)
 rename store_and_forward.proto => storeforward.proto (86%)

diff --git a/radioconfig.proto b/radioconfig.proto
index 59429b9..ebe27fe 100644
--- a/radioconfig.proto
+++ b/radioconfig.proto
@@ -493,7 +493,10 @@ message RadioConfig {
      *FIXME - Move this out of UserPreferences and into a section for plugin configuration. (was 136)
      */
     bool store_forward_plugin_enabled = 148; 
+    bool store_forward_plugin_heartbeat = 149; 
     uint32 store_forward_plugin_records = 137;
+    uint32 store_forward_plugin_history_return_max = 138;
+    uint32 store_forward_plugin_history_return_window = 139;
     reserved 136;
 
     /*
diff --git a/store_and_forward.proto b/storeforward.proto
similarity index 86%
rename from store_and_forward.proto
rename to storeforward.proto
index ad61f61..662aa7d 100644
--- a/store_and_forward.proto
+++ b/storeforward.proto
@@ -12,8 +12,8 @@ option go_package = "github.com/meshtastic/gomeshproto";
 message StoreAndForwardMessage {
 
     /*
-     * 1 - 100 = From router
-     * 101-200 = From client
+     * 1   - 99  = From Router
+     * 101 - 199 = From Client
      */
     enum RequestResponse {
         /*
@@ -100,6 +100,22 @@ message StoreAndForwardMessage {
         */
         uint32 RequestsHistory = 6;
 
+        /*
+        * Is the heartbeat enabled on the server?
+        */
+        bool Heartbeat = 7;
+
+        /*
+        * Is the heartbeat enabled on the server?
+        */
+        uint32 ReturnMax = 8;
+
+        /*
+        * Is the heartbeat enabled on the server?
+        */
+        uint32 ReturnWindow = 9;
+
+
     }
 
     message History {