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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2018-11-07 12:19:29 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2018-11-07 12:20:17 +0000 |
commit | a64a253794ac64cb40befee54db53bde17dd0d49 (patch) | |
tree | c1024acc5f6e508814b944d99f112259bb28b1be /registry/registry_url.h | |
parent | New upstream version 1.10.0+dfsg (diff) | |
download | netdata-2dec20452b290c484d509f7ac9a29b38cf690223.tar.xz netdata-2dec20452b290c484d509f7ac9a29b38cf690223.zip |
New upstream version 1.11.0+dfsgupstream/1.11.0+dfsg
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'registry/registry_url.h')
-rw-r--r-- | registry/registry_url.h | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/registry/registry_url.h b/registry/registry_url.h new file mode 100644 index 000000000..c684f1c35 --- /dev/null +++ b/registry/registry_url.h @@ -0,0 +1,35 @@ +// SPDX-License-Identifier: GPL-3.0-or-later + +#ifndef NETDATA_REGISTRY_URL_H +#define NETDATA_REGISTRY_URL_H 1 + +#include "registry_internals.h" + +// ---------------------------------------------------------------------------- +// URL structures +// Save memory by de-duplicating URLs +// so instead of storing URLs all over the place +// we store them here and we keep pointers elsewhere + +struct registry_url { + avl avl; + uint32_t hash; // the index hash + + uint32_t links; // the number of links to this URL - when none is left, we free it + + uint16_t len; // the length of the URL in bytes + char url[1]; // the URL - dynamically allocated to more size +}; +typedef struct registry_url REGISTRY_URL; + +// REGISTRY_URL INDEX +extern int registry_url_compare(void *a, void *b); +extern REGISTRY_URL *registry_url_index_del(REGISTRY_URL *u) WARNUNUSED; +extern REGISTRY_URL *registry_url_index_add(REGISTRY_URL *u) NEVERNULL WARNUNUSED; + +// REGISTRY_URL MANAGEMENT +extern REGISTRY_URL *registry_url_get(const char *url, size_t urllen) NEVERNULL; +extern void registry_url_link(REGISTRY_URL *u); +extern void registry_url_unlink(REGISTRY_URL *u); + +#endif //NETDATA_REGISTRY_URL_H |