Implement net component

1 files changed, 78 insertions, 0 deletions

diff --git a/src/net/inc/net.h b/src/net/inc/net.h
new file mode 100644
index 0000000..cdfeb0e
--- /dev/null
+++ b/src/net/inc/net.h
@@ -0,0 +1,78 @@
+#ifndef NET_H
+#define NET_H
+
+#include <stddef.h>
+#include <stdint.h>
+
+enum net_domain
+{
+    NET_DOMAIN_IPV4,
+    NET_DOMAIN_SERIAL
+};
+
+union net_connect
+{
+    struct net_connect_common
+    {
+        enum net_domain domain;
+        void (*on_connected)(void *arg);
+        void (*on_disconnected)(void *arg);
+        void *arg;
+    } common;
+
+    struct net_connect_ipv4
+    {
+        struct net_connect_common common;
+        const char *addr;
+        uint16_t port;
+    } ipv4;
+
+    struct net_connect_serial
+    {
+        struct net_connect_common common;
+        const char *dev;
+        unsigned long baud;
+
+        enum
+        {
+            NET_PARITY_NONE,
+            NET_PARITY_ODD,
+            NET_PARITY_EVEN
+        } parity;
+    } serial;
+};
+
+union net_server
+{
+    struct net_server_common
+    {
+        enum net_domain domain;
+        unsigned max_players;
+    } common;
+
+    struct net_server_ipv4
+    {
+        struct net_server_common common;
+        uint16_t port;
+    } ipv4;
+
+    struct net_server_serial
+    {
+        struct net_server_common common;
+    } serial;
+};
+
+struct net_socket;
+
+int net_init(void);
+void net_deinit(void);
+int net_update(struct net_socket *s);
+
+struct net_socket *net_server(const union net_server *srv);
+struct net_socket *net_connect(const union net_connect *c);
+int net_read(struct net_socket *s, void *buf, size_t n);
+int net_write(struct net_socket *s, const void *buf, size_t n);
+int net_close(struct net_socket *s);
+const char *net_domain_str(enum net_domain d);
+
+#endif /* NET_H */