izanagi-2022/src/packages/server/net/svc/IZ_wsserver.h

#ifndef IZ_WSSERVER_H
#define IZ_WSSERVER_H

#include <sys/stat.h>
#include "libwebsockets.h"
#include <string.h>
#include "../../IZ_common.h"
#include "../../IZ_config.h"
#include "../core/IZ_websocket.h"

#ifndef S_ISDIR
#define S_ISDIR(s) s & S_IFDIR
#endif

/* one of these is created for each client connecting to us */
typedef struct IZ_WSServerSessionData {
	struct IZ_WSServerSessionData* pss_list;
	struct lws* wsi;
	u32 tail;
	u8 culled: 1;
} IZ_WSServerSessionData;

/* one of these is created for each vhost our protocol is used with */
typedef struct {
	struct lws_context *context;
	struct lws_vhost *vhost;
	const struct lws_protocols *protocol;
	IZ_WSServerSessionData *pss_list; /* linked-list of live pss*/
	struct lws_ring *ring; /* ringbuffer holding unsent messages */
	u16* port;
	const void* app;
} IZ_WSServerVHostData;

typedef struct {
	u16 port;
	char server_name[64];
} IZ_WSServerInitializeParams;

typedef struct {
	IZ_WSServerInitializeParams config;
	void* userdata;
	IZ_Websocket ws;
} IZ_WSServerState;

static IZ_WSServerState IZ_DEFAULT_STATE = {
	.config = {
		.port = 42069,
		.server_name = NULL,
	},
	.userdata = NULL,
	.ws = {
		.interrupted = false,
		.context = NULL,
	},
};

IZ_ProcedureResult IZ_WSServerInitialize(IZ_WSServerState*, void*, const char*, u8, const char**);

IZ_ProcedureResult IZ_WSServerHandle(IZ_WSServerState*);

void IZ_WSServerTeardown(IZ_WSServerState*);

void IZ_WSServerCancelService(IZ_WSServerState*);

IZ_ProcedureResult IZ_WSServerProtocolInitialize(struct lws*, void*);

void IZ_WSServerProtocolTeardown(struct lws*);

IZ_ProcedureResult IZ_WSServerWritable(struct lws*, IZ_WSServerSessionData*);

IZ_ProcedureResult IZ_WSServerOnReceive(struct lws*, void*, size_t);

void IZ_WSServerOnOpen(struct lws*, IZ_WSServerSessionData*);

void IZ_WSServerOnClose(struct lws*, IZ_WSServerSessionData*);

#endif