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Network Layer 7 rework (Packet handling)

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* Move networkcode to a dedicated directory
* Rename clientserver.h to network/networkprotocol.h (Better name) and sanitize some includes
* Create object NetworkPacket
  * It stores command (opcode) and data separated
  * It also stores peer_id
  * Data reading can be done by using a streaming interface
* Change packet routing analysis
  * Remove old conditional analysis
  * Now uses function pointed analysis and add connection state ({Client,Server}::handlers)
  * Connection state permit to categorize condition to handle before analyze packets
  * Create a handler for depreciated messages, instead of duplicating code
This commit is contained in:
Loic Blot 2015-01-12 17:01:41 +01:00 • committed by Craig Robbins
parent 15c037614f
commit a704c04f00
20 changed files with 3519 additions and 2426 deletions
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38
src/server.h
View file

@ -33,6 +33,7 @@ with this program; if not, write to the Free Software Foundation, Inc.,
#include "util/thread.h"
#include "environment.h"
#include "clientiface.h"
#include "network/toserverpacket.h"
#include <string>
#include <list>
#include <map>
@ -187,6 +188,35 @@ public:
void AsyncRunStep(bool initial_step=false);
void Receive();
PlayerSAO* StageTwoClientInit(u16 peer_id);
/*
* Command Handlers
*/
void handleCommand(ToServerPacket* pkt);
void handleCommand_Null(ToServerPacket* pkt) {};
void handleCommand_Deprecated(ToServerPacket* pkt);
void handleCommand_Init(ToServerPacket* pkt);
void handleCommand_Init2(ToServerPacket* pkt);
void handleCommand_RequestMedia(ToServerPacket* pkt);
void handleCommand_ReceivedMedia(ToServerPacket* pkt);
void handleCommand_ClientReady(ToServerPacket* pkt);
void handleCommand_GotBlocks(ToServerPacket* pkt);
void handleCommand_PlayerPos(ToServerPacket* pkt);
void handleCommand_DeletedBlocks(ToServerPacket* pkt);
void handleCommand_InventoryAction(ToServerPacket* pkt);
void handleCommand_ChatMessage(ToServerPacket* pkt);
void handleCommand_Damage(ToServerPacket* pkt);
void handleCommand_Breath(ToServerPacket* pkt);
void handleCommand_Password(ToServerPacket* pkt);
void handleCommand_PlayerItem(ToServerPacket* pkt);
void handleCommand_Respawn(ToServerPacket* pkt);
void handleCommand_Interact(ToServerPacket* pkt);
void handleCommand_RemovedSounds(ToServerPacket* pkt);
void handleCommand_NodeMetaFields(ToServerPacket* pkt);
void handleCommand_InventoryFields(ToServerPacket* pkt);
void ProcessData(u8 *data, u32 datasize, u16 peer_id);
// Environment must be locked when called
@ -309,7 +339,7 @@ public:
bool showFormspec(const char *name, const std::string &formspec, const std::string &formname);
Map & getMap() { return m_env->getMap(); }
ServerEnvironment & getEnv() { return *m_env; }
u32 hudAdd(Player *player, HudElement *element);
bool hudRemove(Player *player, u32 id);
bool hudChange(Player *player, u32 id, HudElementStat stat, void *value);
@ -320,13 +350,13 @@ public:
inline Address getPeerAddress(u16 peer_id)
{ return m_con.GetPeerAddress(peer_id); }
bool setLocalPlayerAnimations(Player *player, v2s32 animation_frames[4], f32 frame_speed);
bool setPlayerEyeOffset(Player *player, v3f first, v3f third);
bool setSky(Player *player, const video::SColor &bgcolor,
const std::string &type, const std::vector<std::string> &params);
bool overrideDayNightRatio(Player *player, bool do_override,
float brightness);
@ -379,7 +409,7 @@ private:
void SendSetSky(u16 peer_id, const video::SColor &bgcolor,
const std::string &type, const std::vector<std::string> &params);
void SendOverrideDayNightRatio(u16 peer_id, bool do_override, float ratio);
/*
Send a node removal/addition event to all clients except ignore_id.
Additionally, if far_players!=NULL, players further away than