Merge pull request #21 from ItsNewe/master

Mongo payload data retrieval

README.md

@@ -5,7 +5,7 @@ A Fosscord media (voice and video) server
 ## Installation
 ### Prerequisites
 - Install the [libdatachannel](https://github.com/paullouisageneau/libdatachannel) library
-- Install the [limbongocxx]() driver
+- Install the [libmongocxx](http://mongocxx.org/mongocxx-v3/installation/) driver and its requirements
 
 ### Building 
 

src/main.cpp

@@ -30,16 +30,18 @@ int main(int argc, char **argv){
 	auto mongoHandler = std::make_unique<mongoStub>();
 
 	mongocxx::options::change_stream options;
+	//voiceEvents collection watcher
     mongocxx::change_stream colCs = mongoHandler->getCol().watch(options);
 
+	std::cout << "Server created and listening for events" << std::endl;
+
 	//Check for new messages in the collection
 	for (;;){
-		std::vector<std::string> t = mongoHandler->getNewMessages(&colCs);
+		std::vector<mongoStub::mongoMessage> t = mongoHandler->getNewMessages(&colCs);
 		for(auto &i : t){
-			std::cout << i << std::endl;
+			std::cout << "[" << i.eventName << "] " << std::endl;
 		}
 	}
-	std::cout << "Server created" << std::endl;
 
 	return 0;
 }

src/mongoStub.cpp

@@ -17,10 +17,68 @@ mongoStub::mongoStub() {
     }
 }
 
-std::vector<std::string>mongoStub::getNewMessages(mongocxx::change_stream* colCs) {
-	std::vector<std::string> retVec;
-    for (const auto& event : *colCs) {
-        retVec.push_back(bsoncxx::to_json(event));
+// Too slow for my liking
+std::vector<mongoStub::mongoMessage> mongoStub::getNewMessages(
+    mongocxx::change_stream* colCs) {
+    std::vector<mongoStub::mongoMessage> retVec;
+
+    for (auto&& event : *colCs) {
+        mongoStub::mongoMessage returnValue;
+
+        std::cout << bsoncxx::to_json(event) << std::endl;
+
+        // Only listen to insert events (to avoid "precondition failed: data"
+        // exception)
+        if (event["operationType"].get_utf8().value.to_string() != "insert") {
+            continue;
         }
+
+        std::string evName = event["fullDocument"]["event"].get_utf8().value.to_string();
+
+		if(evName.substr(0, 7)=="VSERVER"){ continue; } //Ignore the event if it's been emited by a voice server
+
+        if (evName == "UDP_CONNECTION") {
+            handleUdpRequest(
+				event["fullDocument"]["data"]["d"]["address"].get_utf8().value.to_string(),
+				event["fullDocument"]["data"]["d"]["port"].get_int32().value,
+				event["fullDocument"]["data"]["d"]["mode"].get_utf8().value.to_string()
+				);
+
+        } else if (evName == "VOICE_REQUEST") {
+			//TODO
+            continue;
+        }
+
+        returnValue.eventName = evName;
+        retVec.push_back(returnValue);
+    }
+
     return retVec;
 }
+
+
+void mongoStub::handleUdpRequest(std::string address, int port, std::string mode) {
+    using bsoncxx::builder::basic::kvp;
+    using bsoncxx::builder::basic::sub_array;
+    using bsoncxx::builder::basic::sub_document;
+
+    auto builder = bsoncxx::builder::basic::document{};
+
+	//Handle UDP socket stuff (later tho)
+	
+    builder.append(kvp("event", "VSERVER_UDP_RESPONSE"));
+    builder.append(kvp("op", "4"));
+    builder.append(kvp("d", [](sub_document subdoc) {
+		subdoc.append(kvp("mode", "CRYPT_MODE")),
+		subdoc.append(kvp("secret_key", [](sub_array subarr) {
+            subarr.append(1, 2, 3, 5);  // HOW DO I GEN A SKEY?
+        }));
+	}));
+	
+	
+	bsoncxx::stdx::optional<mongocxx::result::insert_one> r= col.insert_one(builder.view());
+}
+
+void mongoStub::handleVoiceRequest() {
+	//Is this really needed? idk
+}

src/mongoStub.hpp

@@ -7,23 +7,35 @@
 #include <vector>
 #include <mongocxx/client.hpp>
 #include <mongocxx/instance.hpp>
-#include <mongocxx/v_noabi/mongocxx/change_stream.hpp>
+#include <mongocxx/change_stream.hpp>
 #include <bsoncxx/json.hpp>
+#include <bsoncxx/document/element.hpp>
 
 
-class mongoStub : boost::noncopyable {
+class mongoStub{
 	public:
 		mongoStub();
-		std::vector<std::string> getNewMessages(mongocxx::change_stream* colCs);
+
+		struct mongoMessage{
+			std::string eventName;
+			std::vector<std::string> data;
+		};
+
+		std::vector<mongoMessage> getNewMessages(mongocxx::change_stream* colCs);
 
 		mongocxx::collection getCol() const { return col; }
 
+		
+		
 	private:
 		mongocxx::instance instance;
 		mongocxx::client client{mongocxx::uri{}};
 		mongocxx::database db;
 		mongocxx::collection col;
 		mongocxx::change_stream* colCs = nullptr;
+
+		void handleUdpRequest(std::string address, int port, std::string mode);
+		void handleVoiceRequest();
 };
 
 #endif

src/protodefs/protos.proto

@@ -1,24 +0,0 @@
-syntax = "proto3";
-
-package fosscordMedia;
-
-service fosscordInternals{
-	rpc vRequest(voiceRequest) returns (voiceAnswer) {}
-}
-
-message voiceRequest{ //OP1 from gw
-	uint64 userid = 1;
-	uint64 guildid = 2;
-	string ip=3;
-	uint32 port=4;
-	string protocol=5;
-	string rtcConnectionId=6;
-}
-
-message voiceAnswer{//OP2 and OP4 to gw
-	string ip=1;
-	uint32 port=3;
-	repeated string modes=2;
-	int32 ssrc=4;
-	string audioCodec=5;
-}