From d0e562c0778481a823b84e11cac6b8ef3d50acb9 Mon Sep 17 00:00:00 2001
From: Josh Holtrop <jholtrop@gmail.com>
Date: Sun, 4 Nov 2012 07:51:52 -0500
Subject: [PATCH] fill in start_server() and stop_server()

---
 src/client/Client.cc | 42 ++++++++++++++++++++++++++++++++++++++----
 src/client/Client.h  |  7 +++++--
 src/client/main.cc   |  2 +-
 3 files changed, 44 insertions(+), 7 deletions(-)

diff --git a/src/client/Client.cc b/src/client/Client.cc
index a4effce..ed29fa9 100644
--- a/src/client/Client.cc
+++ b/src/client/Client.cc
@@ -1,12 +1,20 @@
+#include <algorithm>
+#include <unistd.h>
+#include <stdlib.h>
+#include <sys/types.h>
+#include <sys/wait.h>
+#include <signal.h>
 #include <math.h>
 #include "Client.h"
 #include "Types.h"
 
+using namespace std;
+
 /* TODO: this should be moved to common somewhere */
 #define MAX_SHOT_DISTANCE 250.0
 #define SHOT_EXPAND_SPEED 75.0
 
-Client::Client()
+Client::Client(const string & exe_path)
 {
     connect(59243, "127.0.0.1"); // Just connect to local host for now - testing
     m_client_has_focus = true;
@@ -15,6 +23,8 @@ Client::Client()
     m_left_button_pressed = false;
     m_drawing_shot = false;
     m_shot_fired = false;
+    m_exe_path = exe_path;
+    m_server_pid = 0;
 }
 
 Client::~Client()
@@ -198,14 +208,38 @@ void Client::run_main_menu()
     }
 }
 
-void Client::start_server()
+bool Client::start_server()
 {
-    /* TODO */
+    string server_exe_path = m_exe_path;
+    int length = server_exe_path.length();
+    if (length > 4)
+    {
+        string ext = server_exe_path.substr(length - 4);
+        transform(ext.begin(), ext.end(), ext.begin(), ::tolower);
+        if (ext == ".exe")
+            server_exe_path = server_exe_path.substr(0, length - 4);
+    }
+    server_exe_path += "-server";
+    pid_t pid = fork();
+    if (pid < 0)
+        return false;
+    if (pid > 0)
+    {
+        m_server_pid = pid;
+        return true;
+    }
+    execl(server_exe_path.c_str(), "treacherous-terrain-server", NULL);
+    exit(-1);
 }
 
 void Client::stop_server()
 {
-    /* TODO */
+    if (m_server_pid > 0)
+    {
+        kill(m_server_pid, SIGINT);
+        m_server_pid = 0;
+        waitpid(-1, NULL, 0);
+    }
 }
 
 void Client::run_client()
diff --git a/src/client/Client.h b/src/client/Client.h
index 3a15d89..9b8b625 100644
--- a/src/client/Client.h
+++ b/src/client/Client.h
@@ -3,6 +3,7 @@
 
 #include <map>
 #include <list>
+#include <string>
 #include <SFML/Window.hpp>
 #include <SFML/Graphics.hpp>
 #include "refptr.h"
@@ -30,12 +31,12 @@ enum
 class Client
 {
     public:
-        Client();
+        Client(const std::string & exe_path);
         ~Client();
         void run(bool fullscreen, int width, int height, std::string pname);
     protected:
         void run_main_menu();
-        void start_server();
+        bool start_server();
         void stop_server();
         void run_client();
         void connect(int port, const char *host);
@@ -61,6 +62,8 @@ class Client
         void play_single_player_game_button_clicked();
         void exit_button_clicked();
 
+        int m_server_pid;
+        std::string m_exe_path;
         sfg::SFGUI m_sfgui;
         int m_menu_action;
         bool m_mouse_grabbed;
diff --git a/src/client/main.cc b/src/client/main.cc
index 276275d..ab09db3 100644
--- a/src/client/main.cc
+++ b/src/client/main.cc
@@ -38,7 +38,7 @@ int main(int argc, char *argv[])
         }
     }
 
-    Client client;
+    Client client(argv[0]);
 
     client.run(fullscreen, width, height, player_name);