diff options
Diffstat (limited to 'backends/json')
| -rw-r--r-- | backends/json/Makefile.am | 4 | ||||
| -rw-r--r-- | backends/json/json.c | 152 | ||||
| -rw-r--r-- | backends/json/json.h | 34 |
3 files changed, 190 insertions, 0 deletions
diff --git a/backends/json/Makefile.am b/backends/json/Makefile.am new file mode 100644 index 0000000..babdcf0 --- /dev/null +++ b/backends/json/Makefile.am @@ -0,0 +1,4 @@ +# SPDX-License-Identifier: GPL-3.0-or-later + +AUTOMAKE_OPTIONS = subdir-objects +MAINTAINERCLEANFILES = $(srcdir)/Makefile.in diff --git a/backends/json/json.c b/backends/json/json.c new file mode 100644 index 0000000..0c7cc73 --- /dev/null +++ b/backends/json/json.c @@ -0,0 +1,152 @@ +// SPDX-License-Identifier: GPL-3.0-or-later + +#define BACKENDS_INTERNALS +#include "json.h" + +// ---------------------------------------------------------------------------- +// json backend + +int backends_format_dimension_collected_json_plaintext( + BUFFER *b // the buffer to write data to + , const char *prefix // the prefix to use + , RRDHOST *host // the host this chart comes from + , const char *hostname // the hostname (to override host->hostname) + , RRDSET *st // the chart + , RRDDIM *rd // the dimension + , time_t after // the start timestamp + , time_t before // the end timestamp + , BACKEND_OPTIONS backend_options // BACKEND_SOURCE_* bitmap +) { + (void)host; + (void)after; + (void)before; + (void)backend_options; + + const char *tags_pre = "", *tags_post = "", *tags = host->tags; + if(!tags) tags = ""; + + if(*tags) { + if(*tags == '{' || *tags == '[' || *tags == '"') { + tags_pre = "\"host_tags\":"; + tags_post = ","; + } + else { + tags_pre = "\"host_tags\":\""; + tags_post = "\","; + } + } + + buffer_sprintf(b, "{" + "\"prefix\":\"%s\"," + "\"hostname\":\"%s\"," + "%s%s%s" + + "\"chart_id\":\"%s\"," + "\"chart_name\":\"%s\"," + "\"chart_family\":\"%s\"," + "\"chart_context\": \"%s\"," + "\"chart_type\":\"%s\"," + "\"units\": \"%s\"," + + "\"id\":\"%s\"," + "\"name\":\"%s\"," + "\"value\":" COLLECTED_NUMBER_FORMAT "," + + "\"timestamp\": %llu}\n", + prefix, + hostname, + tags_pre, tags, tags_post, + + st->id, + st->name, + st->family, + st->context, + st->type, + st->units, + + rd->id, + rd->name, + rd->last_collected_value, + + (unsigned long long) rd->last_collected_time.tv_sec + ); + + return 1; +} + +int backends_format_dimension_stored_json_plaintext( + BUFFER *b // the buffer to write data to + , const char *prefix // the prefix to use + , RRDHOST *host // the host this chart comes from + , const char *hostname // the hostname (to override host->hostname) + , RRDSET *st // the chart + , RRDDIM *rd // the dimension + , time_t after // the start timestamp + , time_t before // the end timestamp + , BACKEND_OPTIONS backend_options // BACKEND_SOURCE_* bitmap +) { + (void)host; + + time_t first_t = after, last_t = before; + calculated_number value = backend_calculate_value_from_stored_data(st, rd, after, before, backend_options, &first_t, &last_t); + + if(!isnan(value)) { + const char *tags_pre = "", *tags_post = "", *tags = host->tags; + if(!tags) tags = ""; + + if(*tags) { + if(*tags == '{' || *tags == '[' || *tags == '"') { + tags_pre = "\"host_tags\":"; + tags_post = ","; + } + else { + tags_pre = "\"host_tags\":\""; + tags_post = "\","; + } + } + + buffer_sprintf(b, "{" + "\"prefix\":\"%s\"," + "\"hostname\":\"%s\"," + "%s%s%s" + + "\"chart_id\":\"%s\"," + "\"chart_name\":\"%s\"," + "\"chart_family\":\"%s\"," + "\"chart_context\": \"%s\"," + "\"chart_type\":\"%s\"," + "\"units\": \"%s\"," + + "\"id\":\"%s\"," + "\"name\":\"%s\"," + "\"value\":" CALCULATED_NUMBER_FORMAT "," + + "\"timestamp\": %llu}\n", + prefix, + hostname, + tags_pre, tags, tags_post, + + st->id, + st->name, + st->family, + st->context, + st->type, + st->units, + + rd->id, + rd->name, + value, + + (unsigned long long) last_t + ); + + return 1; + } + return 0; +} + +int process_json_response(BUFFER *b) { + return discard_response(b, "json"); +} + + diff --git a/backends/json/json.h b/backends/json/json.h new file mode 100644 index 0000000..78ac376 --- /dev/null +++ b/backends/json/json.h @@ -0,0 +1,34 @@ +// SPDX-License-Identifier: GPL-3.0-or-later + +#ifndef NETDATA_BACKEND_JSON_H +#define NETDATA_BACKEND_JSON_H + +#include "backends/backends.h" + +extern int backends_format_dimension_collected_json_plaintext( + BUFFER *b // the buffer to write data to + , const char *prefix // the prefix to use + , RRDHOST *host // the host this chart comes from + , const char *hostname // the hostname (to override host->hostname) + , RRDSET *st // the chart + , RRDDIM *rd // the dimension + , time_t after // the start timestamp + , time_t before // the end timestamp + , BACKEND_OPTIONS backend_options // BACKEND_SOURCE_* bitmap +); + +extern int backends_format_dimension_stored_json_plaintext( + BUFFER *b // the buffer to write data to + , const char *prefix // the prefix to use + , RRDHOST *host // the host this chart comes from + , const char *hostname // the hostname (to override host->hostname) + , RRDSET *st // the chart + , RRDDIM *rd // the dimension + , time_t after // the start timestamp + , time_t before // the end timestamp + , BACKEND_OPTIONS backend_options // BACKEND_SOURCE_* bitmap +); + +extern int process_json_response(BUFFER *b); + +#endif //NETDATA_BACKEND_JSON_H |