1 files changed, 153 insertions, 0 deletions
diff --git a/src/os/os.h b/src/os/os.h
new file mode 100644
index 0000000..3c9de18
--- /dev/null
+++ b/src/os/os.h
@@ -0,0 +1,153 @@
+#ifndef OS_H
+#define OS_H
+
+#include <basic/arena.h>
+#include <basic/basic.h>
+#include <openssl/rsa.h>
+
+typedef struct {
+    size_t size;
+    u8 *p;
+} OSMemory;
+
+b32  os_memory_allocate(OSMemory *memory, size_t size);
+void os_memory_free(OSMemory *memory);
+
+
+typedef struct {
+    i64 seconds;
+    i64 nanoseconds;
+} OSTime;
+
+OSTime os_time_get_now(void);
+
+
+typedef void OSLibrary;
+OSLibrary* os_library_open(const char *path);
+void       os_library_close(OSLibrary *lib);
+void*      os_library_get_proc(OSLibrary *lib, const char *name);
+
+
+char*   os_file_read_as_string(Arena *arena, char *path, size_t *outlen);
+
+
+typedef enum {
+    OS_EVENT_KEY_PRESS,
+    OS_EVENT_KEY_RELEASE,
+    OS_EVENT_WINDOW_RESIZE,
+    OS_EVENT_WINDOW_DESTROYED,
+} OSEventType;
+
+typedef enum {
+    OS_KEYCODE_LEFT,
+    OS_KEYCODE_RIGHT,
+    OS_KEYCODE_UP,
+    OS_KEYCODE_DOWN,
+} OSEventKeySpecial;
+
+typedef struct {
+    b32 is_unicode; // else it's "special", see OSKeySpecial
+    u32 code;   // unicode character or some other keyboard keys
+} OSEventKeyPress;
+
+typedef struct {
+    b32 is_special;
+    u32 code;   // unicode character or some other keyboard keys
+} OSEventKeyRelease;
+
+typedef struct {
+    i32 width;
+    i32 height;
+} OSEventResize;
+
+typedef struct OSEvent {
+    OSEventType type;
+    union {
+        OSEventKeyPress key_press;
+        OSEventKeyRelease key_release;
+        OSEventResize resize;
+    } ev;
+} OSEvent;
+
+
+
+typedef struct {
+    u8 red_shift;
+    u8 green_shift;
+    u8 blue_shift;
+    u8 alpha_shift;
+    i32 width;
+    i32 height;
+    u32 *pixels;
+} OSOffscreenBuffer;
+
+typedef struct OSWindow OSWindow;
+OSWindow*          os_window_create(const char *name, i32 width, i32 height);
+void               os_window_destroy(OSWindow *window);
+b32                os_window_get_event(OSWindow *window, OSEvent *event);
+OSOffscreenBuffer* os_window_get_offscreen_buffer(OSWindow *window);
+void               os_window_swap_buffers(OSWindow *window, OSOffscreenBuffer *offscreen_buffer);
+
+
+
+typedef enum {
+    OS_NET_SECURE_STREAM_ERROR,
+    OS_NET_SECURE_STREAM_DISCONNECTED,
+
+    OS_NET_SECURE_STREAM_CONNECTED,
+    OS_NET_SECURE_STREAM_HANDSHAKING,
+} OSNetSecureStreamStatus;
+
+#define OS_NET_SECURE_STREAM_ID_INVALID U32_MAX
+
+void os_net_secure_streams_init(Arena *arena, size_t max_count);
+
+u32  os_net_secure_stream_listen(u16 port, EVP_PKEY *server_rsa_pri);
+u32  os_net_secure_stream_accept(u32 listener_id);
+u32  os_net_secure_stream_connect(char *address, u16 port, EVP_PKEY *server_rsa_pub);
+void os_net_secure_stream_close(u32 id);
+
+OSNetSecureStreamStatus os_net_secure_stream_get_status(u32 id);
+i64  os_net_secure_stream_error(u32 id); // 0 if no error, else tbd
+
+i64  os_net_secure_stream_send(u32 id, u8 *buffer, size_t size);
+i64  os_net_secure_stream_recv(u32 id, u8 *buffer, size_t size);
+int  os_net_secure_stream_get_fd(u32 id);
+
+
+
+typedef struct OSSoundPlayer OSSoundPlayer;
+
+typedef struct {
+    i32 play_cursor;
+    i32 max_sample_count;
+    i32 sample_count;
+    i32 samples_per_second;
+    i16 *samples;
+} OSSoundBuffer;
+
+// Todo: maybe change api by replacing get_buffer with play_buffer
+OSSoundPlayer* os_sound_player_create(Arena *arena, i32 samples_per_second);
+OSSoundBuffer* os_sound_player_get_buffer(OSSoundPlayer *player);
+void           os_sound_player_close(OSSoundPlayer *player);
+
+
+
+// Note: api unused and in progress
+
+typedef struct {
+    void (*fn_worker)(void *data);
+    void *data;
+} OSWork;
+
+typedef struct OSThreadPool OSThreadPool;
+typedef u32 OSThreadId;
+
+OSThreadPool* os_thread_pool_create(Arena *arena, u32 thread_count, u32 work_queue_size);
+OSThreadId  os_thread_pool_start(OSThreadPool *pool, OSWork work);
+void        os_thread_pool_finish(OSThreadPool *pool, OSThreadId id);
+
+
+
+#endif // OS_H
+