initial commit

src/RelayWriter.cpp

@@ -0,0 +1,59 @@
+#include "RelayServer.h"
+
+
+void RelayServer::runWriter(ThreadPool<MsgWriter>::Thread &thr) {
+    quadrable::Quadrable qdb;
+    {
+        auto txn = env.txn_ro();
+        qdb.init(txn);
+    }
+    qdb.checkout("events");
+
+    while(1) {
+        auto newMsgs = thr.inbox.pop_all();
+
+        // Prepare messages
+
+        std::deque<EventToWrite> newEvents;
+
+        for (auto &newMsg : newMsgs) {
+            if (auto msg = std::get_if<MsgWriter::AddEvent>(&newMsg.msg)) {
+                newEvents.emplace_back(std::move(msg->flatStr), std::move(msg->jsonStr), msg->receivedAt, msg);
+            }
+        }
+
+        {
+            auto txn = env.txn_rw();
+            writeEvents(txn, qdb, newEvents);
+            txn.commit();
+        }
+
+        // Log
+
+        for (auto &newEvent : newEvents) {
+            auto *flat = flatbuffers::GetRoot<NostrIndex::Event>(newEvent.flatStr.data());
+            auto eventIdHex = to_hex(sv(flat->id()));
+            std::string message;
+            bool written = false;
+
+            if (newEvent.status == EventWriteStatus::Written) {
+                LI << "Inserted event. id=" << eventIdHex << " qdbNodeId=" << newEvent.nodeId;
+                written = true;
+            } else if (newEvent.status == EventWriteStatus::Duplicate) {
+                message = "duplicate: have this event";
+            } else if (newEvent.status == EventWriteStatus::Replaced) {
+                message = "replaced: have newer event";
+            } else if (newEvent.status == EventWriteStatus::Deleted) {
+                message = "deleted: user requested deletion";
+            }
+
+            if (newEvent.status != EventWriteStatus::Written) {
+                LI << "Rejected event. " << message << ", id=" << eventIdHex;
+            }
+
+            MsgWriter::AddEvent *addEventMsg = static_cast<MsgWriter::AddEvent*>(newEvent.userData);
+
+            sendOKResponse(addEventMsg->connId, eventIdHex, written, message);
+        }
+    }
+}