barra/Client-Side-Prediction-Test
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Make the server not just spam packets

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Barra Ó Catháin
2023-07-09 17:45:51 +01:00
parent 73b5aa10cc
commit fa7cf4b3bc
3 changed files with 55 additions and 29 deletions
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4
src/client/cspt-client.c
View File

@ -71,7 +71,7 @@ void * networkHandler(void * parameters)
// Point at the server:
serverAddress.sin_family = AF_INET;
serverAddress.sin_addr.s_addr = inet_addr("127.0.0.1");
serverAddress.sin_addr.s_addr = inet_addr("192.168.0.100");
serverAddress.sin_port = htons(5200);
// Create a UDP socket to send through:
@ -231,7 +231,7 @@ int main(int argc, char ** argv)
// Set our IP address and port. Default to localhost for testing:
serverAddress.sin_family = AF_INET;
serverAddress.sin_addr.s_addr = inet_addr("127.0.0.1");
serverAddress.sin_addr.s_addr = inet_addr("192.168.0.100");
serverAddress.sin_port = htons(5200);
// Connect to the server:

73
src/server/cspt-server.c
View File

@ -24,6 +24,15 @@ struct connectionStatus
uint8_t remainingPongs;
};
// A structure containing the "current" global state:
struct ThreadParameters
{
struct sockaddr_in * clientAddresses;
struct clientInput * message;
struct gameState * state;
int * udpSocket;
};
void sigintHandler(int signal)
{
keepRunning = false;
@ -31,13 +40,11 @@ void sigintHandler(int signal)
void * networkThreadHandler(void * arguments)
{
int udpSocket;
pthread_t networkThread;
struct clientInput message;
socklen_t clientAddressLength;
struct ThreadParameters args = *(struct ThreadParameters *)arguments;
printf("%p\n", args.clientAddresses);
struct sockaddr_in clientAddress, serverAddress;
if ((udpSocket = socket(AF_INET, SOCK_DGRAM, 0)) < 0)
if ((*args.udpSocket = socket(AF_INET, SOCK_DGRAM, 0)) < 0)
{
exit(EXIT_FAILURE);
}
@ -47,32 +54,39 @@ void * networkThreadHandler(void * arguments)
serverAddress.sin_port = htons(5200);
serverAddress.sin_addr.s_addr = INADDR_ANY;
bind(udpSocket, (struct sockaddr *)&serverAddress, sizeof(struct sockaddr_in));
bind(*args.udpSocket, (struct sockaddr *)&serverAddress, sizeof(struct sockaddr_in));
printf("Started network thread.\n");
socklen_t test = sizeof(clientAddress);
int returnvalue = 0;
bzero(arguments, sizeof(struct gameState));
bzero(args.state, sizeof(struct gameState));
while (true)
{
recvfrom(udpSocket, &message, sizeof(struct clientInput), 0, (struct sockaddr *)&clientAddress, &test);
returnvalue = sendto(udpSocket, arguments, sizeof(struct gameState), 0,
(struct sockaddr *)&clientAddress, (socklen_t)sizeof(struct sockaddr_in));
returnvalue = recvfrom(*(args.udpSocket), args.message, sizeof(struct clientInput), 0, (struct sockaddr *)&clientAddress, &test);
memcpy(&(args.clientAddresses[args.message->clientNumber]), &clientAddress, sizeof(struct sockaddr_in));
if(returnvalue > 0)
{
updateInput(arguments, &message);
updateInput(args.state, args.message);
}
bzero(&message, sizeof(struct clientInput));
bzero(args.message, sizeof(struct clientInput));
}
return NULL;
}
void * gameThreadHandler(void * arguments)
{
struct ThreadParameters args = *(struct ThreadParameters *)arguments;
sleep(1);
while (true)
{
doGameTick(arguments);
doGameTick(args.state);
for(int index = 0; index < 16; index++)
{
sendto(*(args.udpSocket), args.state, sizeof(struct gameState), 0,
(struct sockaddr *)&(args.clientAddresses[index]), (socklen_t)sizeof(struct sockaddr_in));
}
usleep(15625);
}
}
@ -82,20 +96,25 @@ int main(int argc, char ** argv)
int masterSocket = 0;
int clientSockets[16];
fd_set connectedClients;
pthread_t networkThread, gameThread;
struct gameState currentState;
struct sockaddr_in serverAddress;
struct CsptMessage currentMessage;
pthread_t networkThread, gameThread;
struct connectionStatus clientStatus[16];
struct networkThreadArguments networkArguments;
struct sockaddr_in serverAddress, clientAddress;
struct ThreadParameters * globalState = calloc(1, sizeof(struct ThreadParameters));
globalState->clientAddresses = calloc(16, sizeof(struct sockaddr_in));
globalState->message = calloc(1, sizeof(struct clientInput));
globalState->state = calloc(1, sizeof(struct gameState));
globalState->udpSocket = calloc(1, sizeof(int));
printf("Client-Side Prediction Test - Server Starting.\n");
// Setup the sigint handler:
signal(SIGINT, sigintHandler);
pthread_create(&networkThread, NULL, networkThreadHandler, globalState);
pthread_create(&gameThread, NULL, gameThreadHandler, globalState);
pthread_create(&networkThread, NULL, networkThreadHandler, &currentState);
pthread_create(&gameThread, NULL, gameThreadHandler, &currentState);
// Setup TCP Master Socket:
printf("Setting up master socket... ");
@ -218,11 +237,11 @@ int main(int argc, char ** argv)
case 0:
{
currentMessage.type = 0;
currentState.clients[index].registered = true;
currentState.clients[index].xPosition = 300;
currentState.clients[index].yPosition = 300;
currentState.clients[index].xVelocity = 0;
currentState.clients[index].yVelocity = 0;
globalState->state->clients[index].registered = true;
globalState->state->clients[index].xPosition = 300;
globalState->state->clients[index].yPosition = 300;
globalState->state->clients[index].xVelocity = 0;
globalState->state->clients[index].yVelocity = 0;
currentMessage.content = (uint8_t)index;
send(clientSockets[index], &currentMessage, sizeof(struct CsptMessage), 0);
break;
@ -230,7 +249,7 @@ int main(int argc, char ** argv)
// Goodbye:
case 1:
{
currentState.clients[index].registered = false;
globalState->state->clients[index].registered = false;
FD_CLR(clientSockets[index], &connectedClients);
shutdown(clientSockets[index], SHUT_RDWR);
clientSockets[index] = 0;