Connection and disconnection are working correctly

I've dummied out the player code, so only the client connection code is
working. Otherwise the protocol hasn't changed.

I've also made a few other tweaks as I went along, but nothing really
major.
This commit is contained in:
Kayne Ruse
2014-03-04 02:46:19 +11:00
parent 7bb5e8ce0d
commit 756d4e770d
5 changed files with 99 additions and 95 deletions
+3
View File
@@ -94,6 +94,9 @@ union NetworkPacket {
Vector2 motion;
}playerInfo;
//map data
//...
//defaults
NetworkPacket() {
meta.type = Type::NONE;
+6
View File
@@ -38,6 +38,12 @@ int ClientManager::HandleDisconnection(int i) {
return -1;
}
void ClientManager::ForEach(Lambda fn) {
for(Iterator it = clientMap.begin(); it != clientMap.end(); it++) {
fn(it);
}
}
ClientEntry* ClientManager::GetClient(int i) {
for (auto& it : clientMap) {
if (it.first == i) {
+11 -1
View File
@@ -24,6 +24,7 @@
#include "SDL/SDL_net.h"
#include <functional>
#include <map>
struct ClientEntry {
@@ -32,15 +33,24 @@ struct ClientEntry {
class ClientManager {
public:
//clarity typedefs
typedef std::map<int, ClientEntry> Container;
typedef Container::iterator Iterator;
typedef std::function<void(Iterator)> Lambda;
//returns the internal index
int HandleConnection(IPaddress);
int HandleDisconnection(int i);
//lambdas
void ForEach(Lambda);
//accessors
ClientEntry* GetClient(int i);
ClientEntry* GetClient(IPaddress);
int Size() { return clientMap.size(); }
private:
std::map<int, ClientEntry> clientMap;
Container clientMap;
int counter = 0;
};
+61 -73
View File
@@ -30,21 +30,23 @@
using namespace std;
//-------------------------
//Define the ServerApplication
//-------------------------
ServerApplication::ServerApplication() {
//
void runSQLScript(sqlite3* db, std::string fname) {
//Run setup scripts
ifstream is(fname);
if (!is.is_open()) {
throw(runtime_error("Failed to run SQL script"));
}
string script;
getline(is, script, '\0');
is.close();
sqlite3_exec(db, script.c_str(), nullptr, nullptr, nullptr);
}
ServerApplication::~ServerApplication() {
//
}
//-------------------------
//Define the public members
//-------------------------
void ServerApplication::Init(int argc, char** argv) {
//TODO: proper command line option parsing
//load config
config.Load("rsc\\config.cfg");
@@ -56,97 +58,85 @@ void ServerApplication::Init(int argc, char** argv) {
//Init SDL_net
if (SDLNet_Init()) {
throw(runtime_error("Failed to init SDL_net"));
throw(runtime_error("Failed to initialize SDL_net"));
}
network.Open(config.Int("server.port"), sizeof(NetworkPacket));
cout << "initialized SDL_net" << endl;
//Init SQL
string dbname = (config["server.dbname"].size()) ? config["server.dbname"] : std::string(argv[0]) + ".db"; //fancy and unnecessary
int ret = sqlite3_open_v2(dbname.c_str(), &database, SQLITE_OPEN_READWRITE|SQLITE_OPEN_CREATE|SQLITE_OPEN_FULLMUTEX, nullptr);
int ret = sqlite3_open_v2(config["server.dbname"].c_str(), &database, SQLITE_OPEN_READWRITE|SQLITE_OPEN_CREATE, nullptr);
if (ret != SQLITE_OK || !database) {
throw(runtime_error("Failed to open the server database"));
}
cout << "initialized SQL" << endl;
cout << "Database filename: " << dbname << endl;
//TODO: move this into a function?
//Run setup scripts
ifstream is("rsc\\scripts\\setup_server.sql");
if (!is.is_open()) {
throw(runtime_error("Failed to run database setup script"));
}
string script;
getline(is, script, '\0');
is.close();
sqlite3_exec(database, script.c_str(), nullptr, nullptr, nullptr);
//setup the database
runSQLScript(database, config["dir.scripts"] + "setup_server.sql");
cout << "initialized " << config["server.dbname"] << endl;
//lua
//TODO
}
void ServerApplication::Loop() {
NetworkPacket packet;
while(running) {
//suck in the waiting packets & process them
try {
while(network.Receive()) {
//get the packet
memcpy(&packet, network.GetInData(), sizeof(NetworkPacket));
//cache the source address
packet.meta.srcAddress = network.GetInPacket()->address;
//we need to go deeper
HandlePacket(packet);
}
}
catch(exception& e) {
cerr << "Network Error: " << e.what() << endl;
}
//give the computer a break
SDL_Delay(10);
}
}
void ServerApplication::Quit() {
//members
network.Close();
//empty the members
//TODO: player manager
//TODO: client manager
//APIs
sqlite3_close_v2(database);
network.Close();
SDLNet_Quit();
SDL_Quit();
}
//-------------------------
//Define the uber switch
//-------------------------
void ServerApplication::HandlePacket(NetworkPacket packet) {
switch(packet.meta.type) {
case NetworkPacket::Type::BROADCAST_REQUEST:
HandleBroadcastRequest(packet);
break;
case NetworkPacket::Type::JOIN_REQUEST:
HandleJoinRequest(packet);
break;
case NetworkPacket::Type::DISCONNECT:
HandleDisconnect(packet);
break;
case NetworkPacket::Type::SYNCHRONIZE:
HandleSynchronize(packet);
// HandleSynchronize(packet);
break;
case NetworkPacket::Type::SHUTDOWN:
HandleShutdown(packet);
break;
case NetworkPacket::Type::PLAYER_NEW:
HandlePlayerNew(packet);
// HandlePlayerNew(packet);
break;
case NetworkPacket::Type::PLAYER_DELETE:
HandlePlayerDelete(packet);
// HandlePlayerDelete(packet);
break;
case NetworkPacket::Type::PLAYER_UPDATE:
HandlePlayerUpdate(packet);
// HandlePlayerUpdate(packet);
break;
//handle errors
default:
throw(runtime_error("Unknown NetworkPacket::Type encountered"));
@@ -154,39 +144,38 @@ void ServerApplication::HandlePacket(NetworkPacket packet) {
}
}
//-------------------------
//Handle various network input
//-------------------------
void ServerApplication::HandleBroadcastRequest(NetworkPacket packet) {
//send back the server's name
packet.meta.type = NetworkPacket::Type::BROADCAST_RESPONSE;
//TODO: version info
snprintf(packet.serverInfo.name, PACKET_STRING_SIZE, "%s", config["server.name"].c_str());
//TODO: player count
network.Send(&packet.meta.srcAddress, &packet, sizeof(NetworkPacket));
}
void ServerApplication::HandleJoinRequest(NetworkPacket packet) {
//TODO: prevent duplicate logins from the same address?
//create the new client, filling it with the correct info
Client newClient;
newClient.address = packet.meta.srcAddress;
//push the new client
clientMap[clientCounter] = newClient;
//register the new client
int index = clientMgr.HandleConnection(packet.meta.srcAddress);
//send the client their info
packet.meta.type = NetworkPacket::Type::JOIN_RESPONSE;
packet.clientInfo.index = clientCounter;
network.Send(&newClient.address, &packet, sizeof(NetworkPacket));
packet.clientInfo.index = index;
network.Send(&clientMgr.GetClient(index)->address, &packet, sizeof(NetworkPacket));
//finished this routine
clientCounter++;
cout << "connect, total: " << clientMap.size() << endl;
cout << "connect, total: " << clientMgr.Size() << endl;
}
void ServerApplication::HandleDisconnect(NetworkPacket packet) {
//disconnect the specified client
network.Send(&clientMap[packet.clientInfo.index].address, &packet, sizeof(NetworkPacket));
clientMap.erase(packet.clientInfo.index);
network.Send(&clientMgr.GetClient(packet.clientInfo.index)->address, &packet, sizeof(NetworkPacket));
clientMgr.HandleDisconnection(packet.clientInfo.index);
//delete players
/* //delete players
erase_if(playerMap, [&](pair<int, Player> it) -> bool {
if (it.second.clientIndex == packet.clientInfo.index) {
NetworkPacket delPacket;
@@ -202,10 +191,12 @@ void ServerApplication::HandleDisconnect(NetworkPacket packet) {
}
return false;
});
*/
cout << "disconnect, total: " << clientMap.size() << endl;
//finished this routine
cout << "disconnect, total: " << clientMgr.Size() << endl;
}
/*
void ServerApplication::HandleSynchronize(NetworkPacket packet) {
//send all the server's data to this client
NetworkPacket newPacket;
@@ -221,18 +212,21 @@ void ServerApplication::HandleSynchronize(NetworkPacket packet) {
network.Send(&clientMap[packet.clientInfo.index].address, &newPacket, sizeof(NetworkPacket));
}
}
*/
void ServerApplication::HandleShutdown(NetworkPacket packet) {
//end the server
running = false;
//disconnect all clients
packet.meta.type = NetworkPacket::Type::DISCONNECT;
PumpPacket(packet);
clientMgr.ForEach([&](ClientManager::Iterator it) -> void {
this->network.Send(&it->second.address, &packet, sizeof(NetworkPacket));
});
//finished this routine
cout << "shutting down" << endl;
}
/*
void ServerApplication::HandlePlayerNew(NetworkPacket packet) {
//create the new player object
Player newPlayer;
@@ -291,10 +285,4 @@ void ServerApplication::HandlePlayerUpdate(NetworkPacket packet) {
PumpPacket(packet);
}
void ServerApplication::PumpPacket(NetworkPacket packet) {
//send this packet to all clients
for (auto& it : clientMap) {
network.Send(&it.second.address, &packet, sizeof(NetworkPacket));
}
}
*/
+14 -17
View File
@@ -31,12 +31,13 @@
#include "SDL/SDL.h"
//misc
#include "client_manager.hpp"
#include "player_manager.hpp"
//common
#include "config_utility.hpp"
#include "vector2.hpp"
#include "client.hpp"
#include "player.hpp"
//STL
#include <map>
#include <string>
@@ -45,8 +46,8 @@
class ServerApplication {
public:
//standard functions
ServerApplication();
~ServerApplication();
ServerApplication() = default;
~ServerApplication() = default;
void Init(int argc, char** argv);
void Loop();
@@ -59,13 +60,11 @@ private:
void HandleBroadcastRequest(NetworkPacket);
void HandleJoinRequest(NetworkPacket);
void HandleDisconnect(NetworkPacket);
void HandleSynchronize(NetworkPacket);
// void HandleSynchronize(NetworkPacket);
void HandleShutdown(NetworkPacket);
void HandlePlayerNew(NetworkPacket);
void HandlePlayerDelete(NetworkPacket);
void HandlePlayerUpdate(NetworkPacket);
void PumpPacket(NetworkPacket);
// void HandlePlayerNew(NetworkPacket);
// void HandlePlayerDelete(NetworkPacket);
// void HandlePlayerUpdate(NetworkPacket);
//networking
UDPNetworkUtility network;
@@ -73,16 +72,14 @@ private:
//database
sqlite3* database = nullptr;
//lua
//TODO
//misc
bool running = true;
ConfigUtility config;
//global lists
ClientMap clientMap;
PlayerMap playerMap;
int clientCounter = 0;
int playerCounter = 0;
ClientManager clientMgr;
};
#endif