Catch errors.

include/neocomm.h

@@ -44,7 +44,6 @@ struct user {
 struct message {
 	const char *msg; ///< The text message.
 	time_t sent; ///< The time it was sent.
-	time_t received; ///< The time it was received.
 	struct user from; ///< Info on the peer who sent the message.
 };
 
@@ -53,8 +52,11 @@ struct message {
  * number will be used.
  *
  * @param port The port for the node to listen on.
+ *
+ * @return 1 upon success, 0 upon failure. Use NeoComm_get_last_error for a
+ * text description of the error.
  */
-void NeoComm_init(const unsigned short port);
+int NeoComm_init(const unsigned short port);
 
 /**
  * @brief Deinitialize the local node.
@@ -129,6 +131,17 @@ struct message *NeoComm_get_next_message(const char *channel_name);
  */
 void NeoComm_free_message(struct message *msg);
 
+/**
+ * @brief Send a message to a channel.
+ *
+ * @param channel_name Name of the channel to send the message to.
+ * @param message A message to send to the channel.
+ *
+ * @return 1 upon success, 0 upon failure. Use NeoComm_get_last_error for a
+ * text description of the error.
+ */
+int NeoComm_send_message(const char *channel_name, const char *message);
+
 /**
  * @brief Get the last error that occurred in text.
  *

src/node.cpp

@@ -24,18 +24,35 @@
 #include <opendht.h>
 #include <string>
 #include <fstream>
+#include <stdexcept>
+
+extern "C" {
+#include <gnutls/gnutls.h>
+}
 
 #define DEFAULT_PORT 1335
 
 dht::DhtRunner node;
 
-void NeoComm_init(const unsigned short port) {
+int NeoComm_init(const unsigned short port) {
+#ifdef WOE32
+	gnutls_global_init();
+#endif //WOE32
+	try {
 		node.run((port == 0 ? DEFAULT_PORT : port),
 				dht::crypto::generateIdentity(), true);
+	} catch(const std::exception &e) {
+		add_error(e.what());
+		return 0;
+	}
+	return 1;
 }
 
 void NeoComm_deinit() {
 	node.join();
+#ifdef WOE32
+	gnutls_global_deinit();
+#endif //WOE32
 }
 
 int NeoComm_connect(const char *address, const unsigned short port) {