Added getter functions.

include/neocomm.h

@@ -143,6 +143,21 @@ int NeoComm_join_channel(const char *channel_name);
  */
 int NeoComm_leave_channel(const char *channel_name);
 
+/**
+ * @brief Retrieve a list of the channels that the client is listening to.
+ *
+ * @return A list of channels separated by spaces.
+ */
+const char *NeoComm_get_channel_list();
+
+/**
+ * @brief Retrieve the current number of channels that the client is listening
+ * to.
+ *
+ * @return The number of channels the client is listening to.
+ */
+unsigned int NeoComm_get_num_channels();
+
 /**
  * @brief Get the next available message (in chronological order) for
  * a given channel.

src/channel.cpp

@@ -28,6 +28,8 @@ static std::uniform_int_distribution<dht::Value::Id> rand_id;
 
 static std::map<time_t, int> sent_messages;
 
+static std::string channel_list;
+
 int NeoComm_join_channel(const char *channel_name) {
 	if(not node.isRunning())
 	{
@@ -101,3 +103,14 @@ int NeoComm_leave_channel(const char *channel_name) {
 	channels.erase(s_chan_name);
 	return 1;
 }
+
+const char *NeoComm_get_channel_list() {
+	channel_list.clear();
+	for(auto &i : channels)
+		channel_list += i.first + " ";
+	return channel_list.c_str();
+}
+
+unsigned int NeoComm_get_num_channels() {
+	return channels.size();
+}