add ws

src/mod/xml_int/mod_xml_rpc/ws.h

+#ifndef _WS_H
+#define _WS_H
+
+//#define WSS_STANDALONE 1
+
+#define WEBSOCKET_GUID "258EAFA5-E914-47DA-95CA-C5AB0DC85B11"
+#define B64BUFFLEN 1024
+
+#include <sys/types.h>
+#ifndef _MSC_VER
+#include <arpa/inet.h>
+#include <sys/wait.h> 
+#include <sys/socket.h>
+#else
+#pragma warning(disable:4996)
+#endif
+#include <string.h>
+#include <unistd.h>
+#include <string.h>
+#include <stdint.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <assert.h>
+#include <errno.h>
+//#include "sha1.h"
+#include <openssl/ssl.h>
+#include <sofia-sip/su_types.h>
+
+
+struct globals_s {
+	const SSL_METHOD *ssl_method;
+	SSL_CTX *ssl_ctx;
+	char cert[512];
+	char key[512];
+};
+
+extern struct globals_s globals;
+
+typedef int ws_socket_t;
+#define ws_sock_invalid -1
+
+
+typedef enum {
+	WS_NONE = 0,
+	WS_NORMAL = 1000,
+	WS_PROTO_ERR = 1002,
+	WS_DATA_TOO_BIG = 1009
+} ws_cause_t;
+
+typedef enum {
+	WSOC_CONTINUATION = 0x0,
+	WSOC_TEXT = 0x1,
+	WSOC_BINARY = 0x2,
+	WSOC_CLOSE = 0x8,
+	WSOC_PING = 0x9,
+	WSOC_PONG = 0xA
+} ws_opcode_t;
+
+typedef struct wsh_s {
+	ws_socket_t sock;
+	char buffer[65536];
+	char wbuffer[65536];
+	size_t buflen;
+	issize_t datalen;
+	issize_t wdatalen;
+	char *payload;
+	issize_t plen;
+	issize_t rplen;
+	SSL *ssl;
+	int handshake;
+	uint8_t down;
+	int secure;
+	uint8_t close_sock;
+} wsh_t;
+
+issize_t ws_send_buf(wsh_t *wsh, ws_opcode_t oc);
+issize_t ws_feed_buf(wsh_t *wsh, void *data, size_t bytes);
+
+
+issize_t ws_raw_read(wsh_t *wsh, void *data, size_t bytes);
+issize_t ws_raw_write(wsh_t *wsh, void *data, size_t bytes);
+issize_t ws_read_frame(wsh_t *wsh, ws_opcode_t *oc, uint8_t **data);
+issize_t ws_write_frame(wsh_t *wsh, ws_opcode_t oc, void *data, size_t bytes);
+int ws_init(wsh_t *wsh, ws_socket_t sock, SSL_CTX *ssl_ctx, int close_sock);
+issize_t ws_close(wsh_t *wsh, int16_t reason);
+void ws_destroy(wsh_t *wsh);
+void init_ssl(void);
+void deinit_ssl(void);
+
+
+#ifndef _MSC_VER
+static inline uint64_t get_unaligned_uint64(const void *p)
+{   
+    const struct { uint64_t d; } __attribute__((packed)) *pp = p;
+    return pp->d;
+}
+#endif
+
+#endif