Revert "New URL parser (#6070)"

This reverts commit 58b7d95a7ec9c576f8a06bbab07f755846b5349a.
---
As agreed with @thiago and @cakrit we revert URL parser changes,
to buy the time on a more detailed investigation
---

3 files changed, 0 insertions, 135 deletions

diff --git a/libnetdata/inlined.h b/libnetdata/inlined.h
index a9c3e472e4..6a5994c12a 100644
--- a/libnetdata/inlined.h
+++ b/libnetdata/inlined.h
@@ -31,19 +31,6 @@ static inline uint32_t simple_hash(const char *name) {
     return hval;
 }
 
-static inline uint32_t simple_nhash(const char *name,size_t len) {
-    unsigned char *s = (unsigned char *) name;
-    size_t i;
-    uint32_t hval = 0x811c9dc5;
-    i = 0;
-    do {
-        hval *= 16777619;
-        hval ^= (uint32_t) *s++;
-    } while (++i < len);
-
-    return hval;
-}
-
 static inline uint32_t simple_uhash(const char *name) {
     unsigned char *s = (unsigned char *) name;
     uint32_t hval = 0x811c9dc5, c;
@@ -55,21 +42,6 @@ static inline uint32_t simple_uhash(const char *name) {
     return hval;
 }
 
-static inline uint32_t simple_nuhash(const char *name,size_t len) {
-    unsigned char *s = (unsigned char *) name;
-    size_t i;
-    uint32_t hval = 0x811c9dc5, c;
-
-    i = 0;
-    do {
-        c = *s++;
-        if (unlikely(c >= 'A' && c <= 'Z')) c += 'a' - 'A';
-        hval *= 16777619;
-        hval ^= c;
-    } while ( ++i < len);
-    return hval;
-}
-
 static inline int simple_hash_strcmp(const char *name, const char *b, uint32_t *hash) {
     unsigned char *s = (unsigned char *) name;
     uint32_t hval = 0x811c9dc5;
diff --git a/libnetdata/url/url.c b/libnetdata/url/url.c
index fb1fb7f07a..07a9f8069e 100644
--- a/libnetdata/url/url.c
+++ b/libnetdata/url/url.c
@@ -79,88 +79,3 @@ char *url_decode_r(char *to, char *url, size_t size) {
 
     return to;
 }
-
-inline HTTP_VALIDATION url_is_request_complete(char *begin,char *end,size_t length) {
-    if ( begin == end) {
-        return HTTP_VALIDATION_INCOMPLETE;
-    }
-
-    if ( length > 3  ) {
-        begin = end - 4;
-    }
-
-    uint32_t counter = 0;
-    do {
-        if (*begin == '\r') {
-            begin++;
-            if ( begin == end )
-            {
-                break;
-            }
-
-            if (*begin == '\n')
-            {
-                counter++;
-            }
-        } else if (*begin == '\n') {
-            begin++;
-            counter++;
-        }
-
-        if ( counter == 2) {
-            break;
-        }
-    }
-    while (begin != end);
-
-    return (counter == 2)?HTTP_VALIDATION_OK:HTTP_VALIDATION_INCOMPLETE;
-}
-
-inline char *url_find_protocol(char *s) {
-    while(*s) {
-        // find the next space
-        while (*s && *s != ' ') s++;
-
-        // is it SPACE + "HTTP/" ?
-        if(*s && !strncmp(s, " HTTP/", 6)) break;
-        else s++;
-    }
-
-    return s;
-}
-
-int url_parse_query_string(struct web_fields *names,struct web_fields *values,char *moveme,char *divisor) {
-    uint32_t i = 0;
-    uint32_t max = WEB_FIELDS_MAX;
-
-    do {
-        if ( i == max) {
-            error("We are exceeding the maximum number of elements possible(%u) in this query string(%s)",max,moveme);
-            break;
-        }
-        if (divisor) {
-            names[i].body = moveme;
-            names[i].length = divisor - moveme;//= - begin
-
-            moveme = ++divisor; //value
-            values[i].body = moveme;
-
-            (void)divisor;
-            divisor = strchr(moveme,'&'); //end of value
-            if (divisor) {
-                values[i].length = (size_t )(divisor - moveme);
-            } else{
-                values[i].length = strlen(moveme);
-                break;
-            }
-
-            moveme = divisor;
-            divisor = strchr(++moveme,'='); //end of value
-            i++;
-        } else {
-            break;
-        }
-    } while (moveme);
-
-    return ++i;
-}
diff --git a/libnetdata/url/url.h b/libnetdata/url/url.h
index 9e86c20cfd..6cef6d7a84 100644
--- a/libnetdata/url/url.h
+++ b/libnetdata/url/url.h
@@ -25,26 +25,4 @@ extern char *url_decode(char *str);
 
 extern char *url_decode_r(char *to, char *url, size_t size);
 
-#define WEB_FIELDS_MAX 200
-struct web_fields{
-    char *body;
-    size_t length;
-};
-// http_request_validate()
-// returns:
-// = 0 : all good, process the request
-// > 0 : request is not supported
-// < 0 : request is incomplete - wait for more data
-
-typedef enum {
-    HTTP_VALIDATION_OK,
-    HTTP_VALIDATION_NOT_SUPPORTED,
-    HTTP_VALIDATION_INCOMPLETE,
-    HTTP_VALIDATION_REDIRECT
-} HTTP_VALIDATION;
-
-extern HTTP_VALIDATION url_is_request_complete(char *begin,char *end,size_t length);
-extern char *url_find_protocol(char *s);
-extern int url_parse_query_string(struct web_fields *names,struct web_fields *values,char *moveme,char *divisor);
-
 #endif /* NETDATA_URL_H */