/*
- * Copyright (C) 2016, 2017 "IoT.bzh"
+ * Copyright (C) 2016, 2017, 2018 "IoT.bzh"
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
#include "websock.h"
-#define BLOCK_DATA_SIZE 4096
+#if !defined(WEBSOCKET_DEFAULT_MAXLENGTH)
+# define WEBSOCKET_DEFAULT_MAXLENGTH 1048500 /* 76 less than 1M, probably enougth for headers */
+#endif
#define FRAME_GET_FIN(BYTE) (((BYTE) >> 7) & 0x01)
#define FRAME_GET_RSV1(BYTE) (((BYTE) >> 6) & 0x01)
#define STATE_LENGTH 2
#define STATE_DATA 3
+static size_t default_maxlength = WEBSOCKET_DEFAULT_MAXLENGTH;
+
struct websock {
int state;
uint64_t maxlength;
return ws->itf->readv(ws->closure, iov, iovcnt);
}
-#if 0
-static ssize_t ws_write(struct websock *ws, const void *buffer, size_t buffer_size)
-{
- struct iovec iov;
- iov.iov_base = (void *)buffer; /* const cast */
- iov.iov_len = buffer_size;
- return ws_writev(ws, &iov, 1);
-}
-#endif
-
static ssize_t ws_read(struct websock *ws, void *buffer, size_t buffer_size)
{
struct iovec iov;
if (result) {
result->itf = itf;
result->closure = closure;
- result->maxlength = 65000;
+ result->maxlength = default_maxlength;
}
return result;
}
{
free(ws);
}
+
+void websock_set_default_max_length(size_t maxlen)
+{
+ default_maxlength = maxlen;
+}
+
+void websock_set_max_length(struct websock *ws, size_t maxlen)
+{
+ ws->maxlength = (uint64_t)maxlen;
+}
+
+const char *websocket_explain_error(uint16_t code)
+{
+ static const char *msgs[] = {
+ "OK", /* 1000 */
+ "GOING_AWAY", /* 1001 */
+ "PROTOCOL_ERROR", /* 1002 */
+ "CANT_ACCEPT", /* 1003 */
+ "RESERVED", /* 1004 */
+ "NOT_SET", /* 1005 */
+ "ABNORMAL", /* 1006 */
+ "INVALID_UTF8", /* 1007 */
+ "POLICY_VIOLATION", /* 1008 */
+ "MESSAGE_TOO_LARGE", /* 1009 */
+ "EXPECT_EXTENSION", /* 1010 */
+ "INTERNAL_ERROR", /* 1011 */
+ };
+ if (code < 1000 || (code - 1000) >= (sizeof msgs / sizeof *msgs))
+ return "?";
+ return msgs[code - 1000];
+}