From 3a5f81426395f1468e6d88e98da984a3fc2c2e78 Mon Sep 17 00:00:00 2001
From: dec05eba <dec05eba@protonmail.com>
Date: Sun, 30 Dec 2018 15:23:59 +0100
Subject: Use config file for boostrap nodes, currently set to localhost for
 debug

---
 src/Window.cpp | 51 +++++++++++++++++++++++++++++++++++++++++++++++----
 1 file changed, 47 insertions(+), 4 deletions(-)

(limited to 'src/Window.cpp')

diff --git a/src/Window.cpp b/src/Window.cpp
index 4c4aab6..5e4930f 100644
--- a/src/Window.cpp
+++ b/src/Window.cpp
@@ -10,6 +10,37 @@ namespace dchat
     const int nodesPerColumn = 10;
     const int nodesPerRow = 10;
 
+    static std::vector<std::string> getBootstrapNodesFromFile()
+    {
+        std::vector<std::string> result;
+        auto boostrapNodesConfigFile = Gio::File::create_for_path("bootstrap_nodes");
+        auto bootstrapNodesFileContent = boostrapNodesConfigFile->read()->read_bytes(1024 * 10, Glib::RefPtr<Gio::Cancellable>());
+        if(!bootstrapNodesFileContent)
+            throw std::runtime_error("Failed to read bootstrap_nodes file");
+
+        gsize start = 0;
+        
+        gsize size = bootstrapNodesFileContent->get_size();
+        const unsigned char *data = (const unsigned char*)bootstrapNodesFileContent->get_data(size);
+        for(gsize i = 0; i < size; ++i)
+        {
+            unsigned char c = data[i];
+            if(c == ' ' || c == '\n' || c == '\r' || c == '\t')
+            {
+                gsize length = i - start;
+                if(length > 0)
+                    result.push_back(std::string(&data[start], &data[start + length]));
+                start = i + 1;
+            }
+        }
+
+        gsize length = size - start;
+        if(length > 0)
+            result.push_back(std::string(&data[start], &data[start + length]));
+
+        return result;
+    }
+
     Window::Window() : 
         chatWindow(this)
     {
@@ -91,15 +122,28 @@ namespace dchat
             windowNotification->show("Passwords do not match");
         });
 
+        auto bootstrapNodes = getBootstrapNodesFromFile();
+        if(bootstrapNodes.empty())
+            throw std::runtime_error("No boostrap nodes in boostrap_nodes file");
+
+        std::string msg = "Connecting to first boostrap node: ";
+        msg += bootstrapNodes[0];
+        msg += ":27130";
+        windowNotification->show(msg);
+        std::string *bootstrapNode = new std::string(bootstrapNodes[0]);
+
         RoomCallbackFuncs roomCallbackFuncs;
-        roomCallbackFuncs.connectCallbackFunc = [this](std::shared_ptr<Rooms> rooms, const char *errMsg)
+        roomCallbackFuncs.connectCallbackFunc = [this, bootstrapNode](std::shared_ptr<Rooms> rooms, const char *errMsg)
         {
             this->rooms = rooms;
             if(rooms)
             {
                 loginWindow.show();
                 stack.set_visible_child(loginWindow);
-                windowNotification->show("Connected to 83.252.53.188:27130");
+                std::string msg = "Connected to ";
+                msg += *bootstrapNode;
+                msg += ":27130";
+                windowNotification->show(msg);
                 loginWindow.loginUsernameInput.grab_focus();
             }
             else
@@ -138,8 +182,7 @@ namespace dchat
             chatWindow.addInviteRequest(request);
         };
 
-        windowNotification->show("Connecting to 83.252.53.188:27130");
-        Rooms::connect("83.252.53.188", 27130, roomCallbackFuncs);
+        Rooms::connect(bootstrapNode->c_str(), 27130, roomCallbackFuncs);
 
         backgroundRng.seed(std::random_device()());
         std::uniform_int_distribution<std::mt19937::result_type> sizeDeviationRand(0, 5);
-- 
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