Merge "BpfMap: introduce resetMap(type, entries, flags)"
diff --git a/staticlibs/native/bpf_headers/include/bpf/BpfMap.h b/staticlibs/native/bpf_headers/include/bpf/BpfMap.h
index bdffc0f..d07d610 100644
--- a/staticlibs/native/bpf_headers/include/bpf/BpfMap.h
+++ b/staticlibs/native/bpf_headers/include/bpf/BpfMap.h
@@ -102,6 +102,23 @@
// Function that tries to get map from a pinned path.
base::Result<void> init(const char* path);
+#ifdef TEST_BPF_MAP
+ // due to Android SELinux limitations which prevent map creation by anyone besides the bpfloader
+ // this should only ever be used by test code, it is equivalent to:
+ // .reset(createMap(type, keysize, valuesize, max_entries, map_flags)
+ // TODO: derive map_flags from BpfMap vs BpfMapRO
+ base::Result<void> resetMap(bpf_map_type map_type, uint32_t max_entries, uint32_t map_flags = 0) {
+ int map_fd = createMap(map_type, sizeof(Key), sizeof(Value), max_entries, map_flags);
+ if (map_fd < 0) {
+ auto err = ErrnoErrorf("Unable to create map.");
+ mMapFd.reset();
+ return err;
+ };
+ mMapFd.reset(map_fd);
+ return {};
+ }
+#endif
+
// Iterate through the map and handle each key retrieved based on the filter
// without modification of map content.
base::Result<void> iterate(