TCP/UDP: Start rewrite of network sockets

Having sockets be file descriptors seems like a bad idea so I trying to
make UDP and TCP sockets be more independent and not be abstracted away
as much.

1 files changed, 2 insertions, 40 deletions

diff --git a/kernel/network/udp.c b/kernel/network/udp.c
index 5aae050..4f3848a 100644
--- a/kernel/network/udp.c
+++ b/kernel/network/udp.c
@@ -20,44 +20,6 @@ void send_udp_packet(struct sockaddr_in *src, const struct sockaddr_in *dst,
 }
 
 void handle_udp(u8 src_ip[4], const u8 *payload, u32 packet_length) {
-  assert(packet_length >= 8);
-  // n_.* means network format(big endian)
-  // h_.* means host format((probably) little endian)
-  u16 n_source_port = *(u16 *)payload;
-  u16 h_source_port = ntohs(n_source_port);
-  (void)h_source_port;
-  u16 h_dst_port = ntohs(*(u16 *)(payload + 2));
-  u16 h_length = ntohs(*(u16 *)(payload + 4));
-  assert(h_length == packet_length);
-  u16 data_length = h_length - 8;
-  const u8 *data = payload + 8;
-
-  // Find the open port
-  OPEN_INET_SOCKET *in_s = find_open_udp_port(htons(h_dst_port));
-  assert(in_s);
-  SOCKET *s = in_s->s;
-  vfs_fd_t *fifo_file = s->ptr_socket_fd;
-
-  // Write the sockaddr struct such that it can later be
-  // given to userland if asked.
-  struct sockaddr_in /*{
-    sa_family_t sin_family;
-    union {
-      u32 s_addr;
-    } sin_addr;
-    u16 sin_port;
-  }*/ in;
-  in.sin_family = AF_INET;
-  memcpy(&in.sin_addr.s_addr, src_ip, sizeof(u32));
-  in.sin_port = n_source_port;
-  socklen_t sock_length = sizeof(struct sockaddr_in);
-
-  raw_vfs_pwrite(fifo_file, &sock_length, sizeof(sock_length), 0);
-  raw_vfs_pwrite(fifo_file, &in, sizeof(in), 0);
-
-  // Write the UDP payload length(not including header)
-  raw_vfs_pwrite(fifo_file, &data_length, sizeof(u16), 0);
-
-  // Write the UDP payload
-  raw_vfs_pwrite(fifo_file, (char *)data, data_length, 0);
+  // TODO: Reimplement
+  assert(NULL);
 }