moved connection manager to its own package

cm/manager.go

@@ -1,19 +1,17 @@
-package main
+package cm
 
 import (
 	"net"
 )
 
-var manager = newConnectionManager()
-
-type connectionManager struct {
+type Manager struct {
 	active     []net.Conn
 	connect    chan net.Conn
 	disconnect chan net.Conn
 }
 
-func newConnectionManager() *connectionManager {
-	m := &connectionManager{
+func New() *Manager {
+	m := &Manager{
 		active:     make([]net.Conn, 0, 10),
 		connect:    make(chan net.Conn),
 		disconnect: make(chan net.Conn),
@@ -22,7 +20,7 @@ func newConnectionManager() *connectionManager {
 	return m
 }
 
-func (m *connectionManager) run() {
+func (m *Manager) run() {
 	for {
 		select {
 		case conn := <-m.connect:
@@ -33,15 +31,15 @@ func (m *connectionManager) run() {
 	}
 }
 
-func (m *connectionManager) Add(conn net.Conn) {
+func (m *Manager) Add(conn net.Conn) {
 	m.connect <- conn
 }
 
-func (m *connectionManager) Remove(conn net.Conn) {
+func (m *Manager) Remove(conn net.Conn) {
 	m.disconnect <- conn
 }
 
-func (m *connectionManager) removeConnection(conn net.Conn) {
+func (m *Manager) removeConnection(conn net.Conn) {
 	for i, other := range m.active {
 		if conn.RemoteAddr() == other.RemoteAddr() {
 			m.active = append(m.active[:i], m.active[i+1:]...)

tcp_connections.go

@@ -1,12 +1,15 @@
 package main
 
 import (
+	"./cm"
 	"bufio"
 	"fmt"
 	"io"
 	"net"
 )
 
+var manager = cm.New()
+
 func tcpInterpreter(conn net.Conn, userinput chan string, out chan interface{}, errors chan error) {
 	prompt := func() {
 		io.WriteString(conn, "> ")
@@ -42,7 +45,7 @@ func runTCPServer() {
 	}
 }
 
-func startConnection(conn net.Conn, m *connectionManager) {
+func startConnection(conn net.Conn, m *cm.Manager) {
 	m.Add(conn)
 	defer m.Remove(conn)