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[rnet] Review network examples formatting

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This commit is contained in:
Ray 2020-02-20 12:42:37 +01:00
parent 19390eaf09
commit e176a476c0
8 changed files with 566 additions and 638 deletions
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162
examples/network/network_udp_server.c
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@ -1,6 +1,6 @@
/*******************************************************************************************
*
* raylib [network] example - UDP Server
*
* raylib [network] example - UDP Server
*
* This example has been created using raylib 3.0 (www.raylib.com)
* raylib is licensed under an unmodified zlib/libpng license (View raylib.h for details)
@ -14,66 +14,6 @@
#define RNET_IMPLEMENTATION
#include "rnet.h"
#include <assert.h>
#include <stdio.h>
#include <string.h>
float elapsed = 0.0f;
float delay = 1.0f;
bool ping = false;
bool pong = false;
const char * pingmsg = "Ping!";
const char * pongmsg = "Pong!";
int msglen = 0;
SocketConfig server_cfg = {.host = "127.0.0.1", .port = "4950", .server = true, .type = SOCKET_UDP, .nonblocking = true};
SocketResult *server_res = NULL;
SocketSet * socket_set = NULL;
char recvBuffer[512];
// Once connected to the network, check the sockets for pending information
// and when information is ready, send either a Ping or a Pong.
void UpdateNetwork()
{
// CheckSockets
//
// If any of the sockets in the socket_set are pending (received data, or requests)
// then mark the socket as being ready. You can check this with IsSocketReady(client_res->socket)
int active = CheckSockets(socket_set, 0);
if (active != 0) {
TraceLog(LOG_DEBUG,
"There are currently %d socket(s) with data to be processed.", active);
}
// IsSocketReady
//
// If the socket is ready, attempt to receive data from the socket
// int bytesRecv = 0;
// if (IsSocketReady(server_res->socket)) {
// bytesRecv = SocketReceive(server_res->socket, recvBuffer, msglen);
// }
int bytesRecv = SocketReceive(server_res->socket, recvBuffer, msglen);
// If we received data, was that data a "Ping!" or a "Pong!"
if (bytesRecv > 0) {
if (strcmp(recvBuffer, pingmsg) == 0) { pong = true; }
if (strcmp(recvBuffer, pongmsg) == 0) { ping = true; }
}
// After each delay has expired, send a response "Ping!" for a "Pong!" and vice versa
elapsed += GetFrameTime();
if (elapsed > delay) {
if (ping) {
ping = false;
SocketSend(server_res->socket, pingmsg, msglen);
} else if (pong) {
pong = false;
SocketSend(server_res->socket, pongmsg, msglen);
}
elapsed = 0.0f;
}
}
int main(void)
{
// Initialization
@ -83,30 +23,37 @@ int main(void)
InitWindow(screenWidth, screenHeight, "raylib [network] example - udp server");
InitNetworkDevice();
InitNetworkDevice(); // Init network communications
const char *pingmsg = "Ping!";
const char *pongmsg = "Pong!";
bool ping = false;
bool pong = false;
float elapsed = 0.0f;
float delay = 1.0f;
// Create the server
//
// Performs
// getaddrinfo
// socket
// setsockopt
// bind
// listen
server_res = AllocSocketResult();
if (!SocketCreate(&server_cfg, server_res))
{
TraceLog(LOG_WARNING, "Failed to open server: status %d, errno %d", server_res->status, server_res->socket->status);
} else
{
if (!SocketBind(&server_cfg, server_res)) TraceLog(LOG_WARNING, "Failed to bind server: status %d, errno %d", server_res->status, server_res->socket->status);
}
SocketConfig serverConfig = {
.host = "127.0.0.1",
.port = "4950",
.server = true,
.type = SOCKET_UDP,
.nonblocking = true
};
SocketResult *serverResult = NULL;
SocketSet *socketSet = NULL;
char receiveBuffer[512] = { 0 };
// Create & Add sockets to the socket set
socket_set = AllocSocketSet(1);
msglen = strlen(pingmsg) + 1;
memset(recvBuffer, '\0', sizeof(recvBuffer));
AddSocket(socket_set, server_res->socket);
// Create the server: getaddrinfo + socket + setsockopt + bind + listen
serverResult = AllocSocketResult();
if (!SocketCreate(&serverConfig, serverResult)) TraceLog(LOG_WARNING, "Failed to open server: status %d, errno %d", serverResult->status, serverResult->socket->status);
else if (!SocketBind(&serverConfig, serverResult)) TraceLog(LOG_WARNING, "Failed to bind server: status %d, errno %d", serverResult->status, serverResult->socket->status);
// Create and add sockets to the socket set
socketSet = AllocSocketSet(1);
AddSocket(socketSet, serverResult->socket);
SetTargetFPS(60); // Set our game to run at 60 frames-per-second
//--------------------------------------------------------------------------------------
@ -116,7 +63,46 @@ int main(void)
{
// Update
//----------------------------------------------------------------------------------
UpdateNetwork();
// Once connected to the network, check the sockets for pending information
// and when information is ready, send either a Ping or a Pong.
// CheckSockets, if any of the sockets in the set are pending (received data, or requests)
// then mark the socket as being ready. You can check this with IsSocketReady(client_res->socket)
int active = CheckSockets(socketSet, 0);
if (active != 0) TraceLog(LOG_INFO, "There are currently %d socket(s) with data to be processed.", active);
// IsSocketReady, if the socket is ready, attempt to receive data from the socket
// int bytesRecv = 0;
// if (IsSocketReady(serverResult->socket)) {
// bytesRecv = SocketReceive(serverResult->socket, receiveBuffer, msglen);
// }
int bytesRecv = SocketReceive(serverResult->socket, receiveBuffer, strlen(pingmsg) + 1);
// If we received data, is that data a "Ping!" or a "Pong!"?
if (bytesRecv > 0)
{
if (strcmp(receiveBuffer, pingmsg) == 0) { pong = true; }
if (strcmp(receiveBuffer, pongmsg) == 0) { ping = true; }
}
// After each delay has expired, send a response "Ping!" for a "Pong!" and vice-versa
elapsed += GetFrameTime();
if (elapsed > delay)
{
if (ping)
{
ping = false;
SocketSend(serverResult->socket, pingmsg, strlen(pingmsg) + 1);
}
else if (pong)
{
pong = false;
SocketSend(serverResult->socket, pongmsg, strlen(pongmsg) + 1);
}
elapsed = 0.0f;
}
//----------------------------------------------------------------------------------
// Draw
@ -125,7 +111,7 @@ int main(void)
ClearBackground(RAYWHITE);
// TODO: Draw relevant connection info
EndDrawing();
//----------------------------------------------------------------------------------
@ -133,7 +119,9 @@ int main(void)
// De-Initialization
//--------------------------------------------------------------------------------------
CloseWindow(); // Close window and OpenGL context
CloseNetworkDevice(); // Close network communication
CloseWindow(); // Close window and OpenGL context
//--------------------------------------------------------------------------------------
return 0;