Adding implementation for adding new node.

include/neocomm/connectivity.h

@@ -104,11 +104,8 @@ int NeoComm_add_node(const struct NeoComm_address addr);
  * @brief Disconnect and remove a node from the directory.
  *
  * @param addr The address of the node to remove.
- *
- * @return If the operation failed then a 0 will be returned and the error can
- * be read from the NeoComm_get_last_error function, else 1 is returned.
  */
-int NeoComm_remove_node(const struct NeoComm_address addr);
+void NeoComm_remove_node(const struct NeoComm_address addr);
 
 /**
  * @brief Retrieve information on a specific node.

src/connectivity.c

@@ -25,27 +25,13 @@
 #include <errno.h>
 #include <sys/types.h>
 #include <sys/socket.h>
-#include <netinet/in.h>
+#include <netdb.h>
 #include <unistd.h>
 #include <strings.h>
 #include <stdio.h>
-#include <pthread.h>
 
 #include <stdlib.h>
 
-/*
- * This is an internal structure for nodes.
- */
-struct NeoComm_directory_node {
-	int in_use;
-	struct sockaddr_in addr;
-	int sockfd;
-	pthread_t thread;
-	int open_directory;
-	unsigned int connections;
-	unsigned int max_connections;
-};
-
 static struct NeoComm_directory_node *node_list = NULL;
 static unsigned int max_nodes;
 static unsigned int num_nodes;
@@ -245,3 +231,37 @@ unsigned int NeoComm_get_directory_size() {
 unsigned int NeoComm_get_num_nodes() {
 	return num_nodes;
 }
+
+int NeoComm_add_node(const struct NeoComm_address addr) {
+	struct hostent *host;
+	host = gethostbyname(addr.address);
+	if(!host)
+	{
+		NeoComm_error("Error getting host");
+		return 0;
+	}
+
+	struct NeoComm_directory_node *new_node;
+	for(unsigned int i = 0; i < max_nodes; ++i)
+	{
+		if(!node_list[i].in_use)
+			new_node = &node_list[i];
+	}
+
+	bzero((char*) &new_node->addr, sizeof(new_node->addr));
+	new_node->addr.sin_family = AF_INET;
+	bcopy((char*) host->h_addr,
+			(char*) &new_node->addr.sin_addr.s_addr,
+			host->h_length);
+	new_node->addr.sin_port = htons(addr.port);
+
+	if(connect(new_node->sockfd, (struct sockaddr*) &new_node->addr,
+				sizeof(new_node->addr)) < 0)
+	{
+		NeoComm_error("Failed to connect to new node");
+		return 0;
+	}
+	new_node->in_use = 1;
+
+	// TODO: listen to node on new thread
+}

src/iconnectivity.h

@@ -19,6 +19,22 @@
 
 #pragma once
 
+#include <netinet/in.h>
+#include <pthread.h>
+
+/*
+ * This is an internal structure for nodes.
+ */
+struct NeoComm_directory_node {
+	int in_use;
+	struct sockaddr_in addr;
+	int sockfd;
+	pthread_t thread;
+	int open_directory;
+	unsigned int connections;
+	unsigned int max_connections;
+};
+
 int NeoComm_bind(unsigned short portnum);
 
 void *NeoComm_connect_manager();