websocket: Add function that explain error codes

Change-Id: I500520edac6792013650fa3cb0e02d0b9f5610d5
Signed-off-by: José Bollo <jose.bollo@iot.bzh>

diff --git a/src/websock.c b/src/websock.c
index 48de564..cc1e191 100644 (file)
--- a/src/websock.c
+++ b/src/websock.c
@@ -585,3 +585,24 @@ 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];
+}

diff --git a/src/websock.h b/src/websock.h
index 3be89df..27acedc 100644 (file)
--- a/src/websock.h
+++ b/src/websock.h
@@ -77,3 +77,5 @@ extern void websock_destroy(struct websock *ws);
 
 extern void websock_set_default_max_length(size_t maxlen);
 extern void websock_set_max_length(struct websock *ws, size_t maxlen);
+
+extern const char *websocket_explain_error(uint16_t code);