make plugin reply handling simpler

src/plugins/ReplyPlugin.cpp

@@ -1,6 +1,6 @@
-#include "configuration.h"
 #include "ReplyPlugin.h"
 #include "MeshService.h"
+#include "configuration.h"
 #include "main.h"
 
 #include <assert.h>
@@ -8,8 +8,10 @@
 // Create an a static instance of our plugin - this registers with the plugin system
 ReplyPlugin replyPlugin;
 
-bool ReplyPlugin::handleReceived(const MeshPacket &req)
+MeshPacket *ReplyPlugin::allocReply()
 {
+    assert(currentRequest); // should always be !NULL
+    auto req = *currentRequest;
     auto &p = req.decoded.data;
     // The incoming message is in p.payload
     DEBUG_MSG("Received message from=0x%0x, id=%d, msg=%.*s\n", req.from, req.id, p.payload.size, p.payload.bytes);
@@ -17,11 +19,9 @@ bool ReplyPlugin::handleReceived(const MeshPacket &req)
     screen->print("Sending reply\n");
 
     const char *replyStr = "Message Received";
-    auto reply = allocDataPacket(); // Allocate a packet for sending
+    auto reply = allocDataPacket();                      // Allocate a packet for sending
     reply->decoded.data.payload.size = strlen(replyStr); // You must specify how many bytes are in the reply
     memcpy(reply->decoded.data.payload.bytes, replyStr, reply->decoded.data.payload.size);
-    setReplyTo(reply, req); // Set packet params so that this packet is marked as a reply to a previous request
-    service.sendToMesh(reply); // Queue the reply for sending
 
-    return true; // We handled it
+    return reply;
 }