1 files changed, 53 insertions, 0 deletions
diff --git a/include/hybbx/websocket.h b/include/hybbx/websocket.h
new file mode 100644
index 0000000..d14e870
--- /dev/null
+++ b/include/hybbx/websocket.h
@@ -0,0 +1,53 @@
+#ifndef HYBBX_WEBSOCKET_H
+#define HYBBX_WEBSOCKET_H
+
+#include "hybbx/limits.h"
+#include "hybbx/types.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/** Default WebSocket listen port (behind TLS reverse proxy). */
+#define HYBBX_WEBSOCKET_DEFAULT_PORT 4591u
+
+/** Default simultaneous WebSocket client connections. */
+#define HYBBX_WEBSOCKET_DEFAULT_MAX_CONNECTIONS 10u
+
+#define HYBBX_WEBSOCKET_BIND_V4_MAX 64
+#define HYBBX_WEBSOCKET_BIND_V6_MAX 64
+#define HYBBX_WEBSOCKET_PATH_MAX 128
+
+#define HYBBX_WEBSOCKET_DEFAULT_BIND_V4 "127.0.0.1"
+#define HYBBX_WEBSOCKET_DEFAULT_BIND_V6 "::1"
+#define HYBBX_WEBSOCKET_DEFAULT_PATH "/hybbx"
+#define HYBBX_WEBSOCKET_DEFAULT_CERT_DIR "keys"
+
+/** Filenames inside @c cert_dir (auto-generated on first start when TLS). */
+#define HYBBX_WS_TLS_CERT_FILENAME "hybbx_ws.crt"
+#define HYBBX_WS_TLS_KEY_FILENAME "hybbx_ws.key"
+
+/** Self-signed WebSocket TLS certificate validity (days). */
+#define HYBBX_WS_TLS_CERT_VALID_DAYS 1825u
+
+typedef struct hybbx_websocket_config {
+    char bind_v4[HYBBX_WEBSOCKET_BIND_V4_MAX];
+    char bind_v6[HYBBX_WEBSOCKET_BIND_V6_MAX];
+    char path[HYBBX_WEBSOCKET_PATH_MAX];
+    char cert_dir[HYBBX_PATH_MAX];
+    unsigned int port;
+    unsigned int max_connections;
+    int ipv4;
+    int ipv6;
+} hybbx_websocket_config_t;
+
+void hybbx_websocket_config_defaults(hybbx_websocket_config_t *config);
+
+hybbx_result_t hybbx_websocket_config_parse(const char *config,
+                                            hybbx_websocket_config_t *out);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* HYBBX_WEBSOCKET_H */