public void C_IPv4_NewFromHost()
{
C.IPv4 ipv4 = C.IPv4.New(127, 0, 0, 1);
/* certainty */
C.IPv4 ip = default;
ip.byte_addr[0] = 1;
ip.byte_addr[1] = 0;
ip.byte_addr[2] = 0;
ip.byte_addr[3] = 127;
Assert.AreEqual(ipv4.int_addr, Util.HtoN(ip.int_addr));
/* ridiculous certainty */
Assert.True(IPAddress.TryParse("127.0.0.1", out IPAddress netip));
fixed(byte *pSrc = netip.GetAddressBytes())
Assert.AreEqual(ipv4.int_addr, *(uint *)pSrc);
/* ludicrous certainty */
uint addr = (127 << 24) | 1;
Assert.AreEqual(ipv4.int_addr, Util.HtoN(addr));
}
public void UDP_SocketSendRecv()
{
Random rand = new Random();
/* server side endpoints, socket, random payload, send/recv buffers */
C.IPv4 loopback = C.IPv4.New(127, 0, 0, 1);
C.Endpoint ep_server = C.Endpoint.NewV4(_port, loopback);
C.Endpoint ep_server_recv = default;
_sock_server = C.Socket.NewUDP(ep_server);
C.Buffer buf_server_recv;
C.Buffer buf_server_send;
byte[] pl_server = new byte[1235];
byte[] mem_server = new byte[1408];
rand.NextBytes(pl_server);
fixed(byte *bufptr = pl_server) buf_server_send = C.Buffer.New(bufptr, pl_server.Length);
fixed(byte *bufptr = mem_server) buf_server_recv = C.Buffer.New(bufptr, mem_server.Length);
/* client side endpoints, socket, random payload, send/recv buffers */
C.Endpoint ep_client = C.Endpoint.NewV4(_port + 1, loopback);
C.Endpoint ep_client_recv = default;
_sock_client = C.Socket.NewUDP(ep_client);
C.Buffer buf_client_recv;
C.Buffer buf_client_send;
byte[] pl_client = new byte[256];
byte[] mem_client = new byte[1408];
rand.NextBytes(pl_client);
fixed(byte *bufptr = pl_client) buf_client_send = C.Buffer.New(bufptr, pl_client.Length);
fixed(byte *bufptr = mem_client) buf_client_recv = C.Buffer.New(bufptr, mem_client.Length);
Assert.True(UDP.Setup());
fixed(C.Socket *sockptr_server = &_sock_server)
fixed(C.Socket * sockptr_client = &_sock_client)
{
Assert.True(UDP.SocketOpen(sockptr_server));
Assert.True(UDP.SocketOpen(sockptr_client));
Assert.True(UDP.SocketNonBlocking(sockptr_client, true));
Assert.AreEqual(UDP.SocketSend(sockptr_client, &buf_client_send, 1, &ep_server), pl_client.Length);
Assert.AreEqual(UDP.SocketRecv(sockptr_server, &buf_server_recv, 1, &ep_server_recv), pl_client.Length);
fixed(byte *bufptr = pl_client) Assert.True(Util.MemCmp(bufptr, 0, buf_server_recv.buf, 0, pl_client.Length));
Assert.True(Util.MemCmp((byte *)&ep_client, 2, (byte *)&ep_server_recv, 2, sizeof(C.Endpoint) - 2));
Assert.AreEqual(UDP.SocketSend(sockptr_server, &buf_server_send, 1, &ep_client), pl_server.Length);
Assert.AreEqual(UDP.SocketRecv(sockptr_client, &buf_client_recv, 1, &ep_client_recv), pl_server.Length);
fixed(byte *bufptr = pl_server) Assert.True(Util.MemCmp(bufptr, 0, buf_client_recv.buf, 0, pl_server.Length));
Assert.True(Util.MemCmp((byte *)&ep_server, 2, (byte *)&ep_client_recv, 2, sizeof(C.Endpoint) - 2));
Assert.True(UDP.SocketClose(sockptr_client));
Assert.True(UDP.SocketClose(sockptr_server));
}
}
public void UDP_SocketSendRecv_Blocking()
{
Random rand = new Random();
C.Socket sock_server;
C.Socket sock_client;
SL.C.Context ctx = default;
Assert.True(API.Setup(&ctx));
try
{
/* server side endpoints, socket, random payload, send/recv buffers */
C.IPv4 loopback = C.IPv4.New(127, 0, 0, 1);
C.Endpoint ep_server = C.Endpoint.NewV4(&ctx, _port, loopback);
C.Endpoint ep_server_recv = default;
sock_server = C.Socket.NewUDP(&ctx, ep_server);
C.Buffer buf_server_recv;
C.Buffer buf_server_send;
byte[] pl_server = new byte[1235];
byte[] mem_server = new byte[1408];
rand.NextBytes(pl_server);
fixed(byte *bufptr = pl_server) buf_server_send = C.Buffer.New(bufptr, pl_server.Length);
fixed(byte *bufptr = mem_server) buf_server_recv = C.Buffer.New(bufptr, mem_server.Length);
/* client side endpoints, socket, random payload, send/recv buffers */
C.Endpoint ep_client = C.Endpoint.NewV4(&ctx, _port + 1, loopback);
C.Endpoint ep_client_recv = default;
sock_client = C.Socket.NewUDP(&ctx, ep_client);
C.Buffer buf_client_recv;
C.Buffer buf_client_send;
byte[] pl_client = new byte[256];
byte[] mem_client = new byte[1408];
rand.NextBytes(pl_client);
fixed(byte *bufptr = pl_client) buf_client_send = C.Buffer.New(bufptr, pl_client.Length);
fixed(byte *bufptr = mem_client) buf_client_recv = C.Buffer.New(bufptr, mem_client.Length);
Assert.True(API.SocketOpen(&sock_server));
Assert.True(API.SocketOpen(&sock_client));
Assert.AreEqual(pl_client.Length, API.SocketSend(&sock_client, &buf_client_send, 1, &ep_server));
Assert.AreEqual(pl_client.Length, API.SocketRecv(&sock_server, &buf_server_recv, 1, &ep_server_recv));
fixed(byte *bufptr = pl_client) Assert.True(Util.MemCmp(bufptr, 0, buf_server_recv.buf, 0, pl_client.Length));
Assert.True(Util.MemCmp((byte *)&ep_client, 2, (byte *)&ep_server_recv, 2, sizeof(C.Endpoint) - 2));
Assert.AreEqual(pl_server.Length, API.SocketSend(&sock_server, &buf_server_send, 1, &ep_client));
Assert.AreEqual(pl_server.Length, API.SocketRecv(&sock_client, &buf_client_recv, 1, &ep_client_recv));
fixed(byte *bufptr = pl_server) Assert.True(Util.MemCmp(bufptr, 0, buf_client_recv.buf, 0, pl_server.Length));
Assert.True(Util.MemCmp((byte *)&ep_server, 2, (byte *)&ep_client_recv, 2, sizeof(C.Endpoint) - 2));
Assert.True(API.SocketClose(&sock_server));
Assert.True(API.SocketClose(&sock_client));
Assert.True(API.Cleanup(&ctx));
}
finally
{
API.SocketClose(&sock_server);
API.SocketClose(&sock_client);
API.Cleanup(&ctx);
}
}