[Add] Add back the SSH functionality.

common/src/command_processor.cpp

@@ -5,7 +5,9 @@
 #include "lua_processor.h"
 #include "vfs_manager.h"
 
-CommandProcessor::CommandProcessor(vfs_node* starting_dir) {
+CommandProcessor::CommandProcessor(vfs_node* starting_dir,
+                                   std::map<std::string, vfs_node*>& world_vfs) :
+    _world_vfs(world_vfs) {
   _current_dir = starting_dir;
   _lua = new LuaProcessor();
 }
@@ -125,6 +127,13 @@ std::string CommandProcessor::_handle_vfs_action(sol::table action) {
       return ""; /* Success. */
     }
       return std::string("rm: cannot remove '") + path + "': No such file or directory.";
+  } else if(action_name == "ssh") {
+    std::string target_ip = action["target"].get_or<std::string>("");
+    if(_world_vfs.count(target_ip)) {
+      _current_dir = _world_vfs[target_ip];
+      return "Connected to " + target_ip;
+    }
+    return "ssh: Could not resolve hostname " + target_ip + ": Name or service not known";
   }
   return "Error: Unknown VFS action '" + action_name + "'";
 }

common/src/command_processor.h

@@ -1,13 +1,14 @@
 #pragma once
 
 #include <string>
+#include <map>
 
 #include "vfs.h"
 #include <lua_processor.h>
 
 class CommandProcessor {
 public:
-  CommandProcessor(vfs_node* starting_dir);
+  CommandProcessor(vfs_node* starting_dir, std::map<std::string, vfs_node*>& world_vfs);
   ~CommandProcessor(void);
 
   std::string process_command(const std::string& command);
@@ -16,5 +17,6 @@ public:
 private:
   std::string _handle_vfs_action(sol::table action);
   vfs_node* _current_dir;
+  std::map<std::string, vfs_node*>& _world_vfs;
   LuaProcessor* _lua;
 };

server/src/network_manager.cpp

@@ -59,7 +59,7 @@ void NetworkManager::start_accept(void) {
 
         /* Create a new player for this connection. */
         uint32_t player_id = _next_player_id++;
-        auto new_player = std::make_unique<Player>(player_id, _vfs_manager);
+        auto new_player = std::make_unique<Player>(player_id, _vfs_manager, _world_vfs);
         Player* new_player_ptr = new_player.get();
         _players[player_id] = std::move(new_player);
         new_connection->set_id(player_id);

server/src/player.cpp

@@ -1,10 +1,11 @@
 #include "player.h"
 #include "command_processor.h"
 
-Player::Player(uint32_t new_id, VFSManager& vfs_manager) :
+Player::Player(uint32_t new_id, VFSManager& vfs_manager,
+               std::map<std::string, vfs_node*>& world_vfs) :
     id(new_id),
     vfs_root(vfs_manager.create_vfs("player")),
-    cmd_processor(new CommandProcessor(vfs_root)) {}
+    cmd_processor(new CommandProcessor(vfs_root, world_vfs)) {}
 
 Player::~Player(void) {
   if(cmd_processor) {

server/src/player.h

@@ -8,7 +8,7 @@
 
 class Player {
 public:
-  Player(uint32_t id, VFSManager& vfs_manager);
+  Player(uint32_t id, VFSManager& vfs_manager, std::map<std::string, vfs_node*>& world_vfs);
   ~Player(void);
 
   uint32_t id;