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authorFederico Ceratto <federico.ceratto@gmail.com>2017-04-30 16:09:37 +0000
committerFederico Ceratto <federico.ceratto@gmail.com>2017-04-30 16:09:37 +0000
commit51f689a8e17ff3929acd2dbf39e936d2cd3ac723 (patch)
tree92e54f543171b69dcbc639be09d11221cf96ba28 /src/web_api_v1.c
parentNew upstream version 1.5.0+dfsg (diff)
downloadnetdata-51f689a8e17ff3929acd2dbf39e936d2cd3ac723.tar.xz
netdata-51f689a8e17ff3929acd2dbf39e936d2cd3ac723.zip
New upstream version 1.6.0+dfsgupstream/1.6.0+dfsg
Diffstat (limited to 'src/web_api_v1.c')
-rw-r--r--src/web_api_v1.c903
1 files changed, 903 insertions, 0 deletions
diff --git a/src/web_api_v1.c b/src/web_api_v1.c
new file mode 100644
index 000000000..0acc43acb
--- /dev/null
+++ b/src/web_api_v1.c
@@ -0,0 +1,903 @@
+#include "common.h"
+
+inline int web_client_api_request_v1_data_group(char *name, int def) {
+ if(!strcmp(name, "average"))
+ return GROUP_AVERAGE;
+
+ else if(!strcmp(name, "min"))
+ return GROUP_MIN;
+
+ else if(!strcmp(name, "max"))
+ return GROUP_MAX;
+
+ else if(!strcmp(name, "sum"))
+ return GROUP_SUM;
+
+ else if(!strcmp(name, "incremental-sum"))
+ return GROUP_INCREMENTAL_SUM;
+
+ return def;
+}
+
+inline uint32_t web_client_api_request_v1_data_options(char *o) {
+ uint32_t ret = 0x00000000;
+ char *tok;
+
+ while(o && *o && (tok = mystrsep(&o, ", |"))) {
+ if(!*tok) continue;
+
+ if(!strcmp(tok, "nonzero"))
+ ret |= RRDR_OPTION_NONZERO;
+ else if(!strcmp(tok, "flip") || !strcmp(tok, "reversed") || !strcmp(tok, "reverse"))
+ ret |= RRDR_OPTION_REVERSED;
+ else if(!strcmp(tok, "jsonwrap"))
+ ret |= RRDR_OPTION_JSON_WRAP;
+ else if(!strcmp(tok, "min2max"))
+ ret |= RRDR_OPTION_MIN2MAX;
+ else if(!strcmp(tok, "ms") || !strcmp(tok, "milliseconds"))
+ ret |= RRDR_OPTION_MILLISECONDS;
+ else if(!strcmp(tok, "abs") || !strcmp(tok, "absolute") || !strcmp(tok, "absolute_sum") || !strcmp(tok, "absolute-sum"))
+ ret |= RRDR_OPTION_ABSOLUTE;
+ else if(!strcmp(tok, "seconds"))
+ ret |= RRDR_OPTION_SECONDS;
+ else if(!strcmp(tok, "null2zero"))
+ ret |= RRDR_OPTION_NULL2ZERO;
+ else if(!strcmp(tok, "objectrows"))
+ ret |= RRDR_OPTION_OBJECTSROWS;
+ else if(!strcmp(tok, "google_json"))
+ ret |= RRDR_OPTION_GOOGLE_JSON;
+ else if(!strcmp(tok, "percentage"))
+ ret |= RRDR_OPTION_PERCENTAGE;
+ else if(!strcmp(tok, "unaligned"))
+ ret |= RRDR_OPTION_NOT_ALIGNED;
+ }
+
+ return ret;
+}
+
+inline uint32_t web_client_api_request_v1_data_format(char *name) {
+ if(!strcmp(name, DATASOURCE_FORMAT_DATATABLE_JSON)) // datatable
+ return DATASOURCE_DATATABLE_JSON;
+
+ else if(!strcmp(name, DATASOURCE_FORMAT_DATATABLE_JSONP)) // datasource
+ return DATASOURCE_DATATABLE_JSONP;
+
+ else if(!strcmp(name, DATASOURCE_FORMAT_JSON)) // json
+ return DATASOURCE_JSON;
+
+ else if(!strcmp(name, DATASOURCE_FORMAT_JSONP)) // jsonp
+ return DATASOURCE_JSONP;
+
+ else if(!strcmp(name, DATASOURCE_FORMAT_SSV)) // ssv
+ return DATASOURCE_SSV;
+
+ else if(!strcmp(name, DATASOURCE_FORMAT_CSV)) // csv
+ return DATASOURCE_CSV;
+
+ else if(!strcmp(name, DATASOURCE_FORMAT_TSV) || !strcmp(name, "tsv-excel")) // tsv
+ return DATASOURCE_TSV;
+
+ else if(!strcmp(name, DATASOURCE_FORMAT_HTML)) // html
+ return DATASOURCE_HTML;
+
+ else if(!strcmp(name, DATASOURCE_FORMAT_JS_ARRAY)) // array
+ return DATASOURCE_JS_ARRAY;
+
+ else if(!strcmp(name, DATASOURCE_FORMAT_SSV_COMMA)) // ssvcomma
+ return DATASOURCE_SSV_COMMA;
+
+ else if(!strcmp(name, DATASOURCE_FORMAT_CSV_JSON_ARRAY)) // csvjsonarray
+ return DATASOURCE_CSV_JSON_ARRAY;
+
+ return DATASOURCE_JSON;
+}
+
+inline uint32_t web_client_api_request_v1_data_google_format(char *name) {
+ if(!strcmp(name, "json"))
+ return DATASOURCE_DATATABLE_JSONP;
+
+ else if(!strcmp(name, "html"))
+ return DATASOURCE_HTML;
+
+ else if(!strcmp(name, "csv"))
+ return DATASOURCE_CSV;
+
+ else if(!strcmp(name, "tsv-excel"))
+ return DATASOURCE_TSV;
+
+ return DATASOURCE_JSON;
+}
+
+
+inline int web_client_api_request_v1_alarms(RRDHOST *host, struct web_client *w, char *url) {
+ int all = 0;
+
+ while(url) {
+ char *value = mystrsep(&url, "?&");
+ if (!value || !*value) continue;
+
+ if(!strcmp(value, "all")) all = 1;
+ else if(!strcmp(value, "active")) all = 0;
+ }
+
+ buffer_flush(w->response.data);
+ w->response.data->contenttype = CT_APPLICATION_JSON;
+ health_alarms2json(host, w->response.data, all);
+ return 200;
+}
+
+inline int web_client_api_request_v1_alarm_log(RRDHOST *host, struct web_client *w, char *url) {
+ uint32_t after = 0;
+
+ while(url) {
+ char *value = mystrsep(&url, "?&");
+ if (!value || !*value) continue;
+
+ char *name = mystrsep(&value, "=");
+ if(!name || !*name) continue;
+ if(!value || !*value) continue;
+
+ if(!strcmp(name, "after")) after = (uint32_t)strtoul(value, NULL, 0);
+ }
+
+ buffer_flush(w->response.data);
+ w->response.data->contenttype = CT_APPLICATION_JSON;
+ health_alarm_log2json(host, w->response.data, after);
+ return 200;
+}
+
+inline int web_client_api_request_single_chart(RRDHOST *host, struct web_client *w, char *url, void callback(RRDSET *st, BUFFER *buf)) {
+ int ret = 400;
+ char *chart = NULL;
+
+ buffer_flush(w->response.data);
+
+ while(url) {
+ char *value = mystrsep(&url, "?&");
+ if(!value || !*value) continue;
+
+ char *name = mystrsep(&value, "=");
+ if(!name || !*name) continue;
+ if(!value || !*value) continue;
+
+ // name and value are now the parameters
+ // they are not null and not empty
+
+ if(!strcmp(name, "chart")) chart = value;
+ //else {
+ /// buffer_sprintf(w->response.data, "Unknown parameter '%s' in request.", name);
+ // goto cleanup;
+ //}
+ }
+
+ if(!chart || !*chart) {
+ buffer_sprintf(w->response.data, "No chart id is given at the request.");
+ goto cleanup;
+ }
+
+ RRDSET *st = rrdset_find(host, chart);
+ if(!st) st = rrdset_find_byname(host, chart);
+ if(!st) {
+ buffer_strcat(w->response.data, "Chart is not found: ");
+ buffer_strcat_htmlescape(w->response.data, chart);
+ ret = 404;
+ goto cleanup;
+ }
+
+ w->response.data->contenttype = CT_APPLICATION_JSON;
+ st->last_accessed_time = now_realtime_sec();
+ callback(st, w->response.data);
+ return 200;
+
+ cleanup:
+ return ret;
+}
+
+inline int web_client_api_request_v1_alarm_variables(RRDHOST *host, struct web_client *w, char *url) {
+ return web_client_api_request_single_chart(host, w, url, health_api_v1_chart_variables2json);
+}
+
+inline int web_client_api_request_v1_charts(RRDHOST *host, struct web_client *w, char *url) {
+ (void)url;
+
+ buffer_flush(w->response.data);
+ w->response.data->contenttype = CT_APPLICATION_JSON;
+ rrd_stats_api_v1_charts(host, w->response.data);
+ return 200;
+}
+
+inline int web_client_api_request_v1_allmetrics(RRDHOST *host, struct web_client *w, char *url) {
+ int format = ALLMETRICS_SHELL;
+
+ while(url) {
+ char *value = mystrsep(&url, "?&");
+ if (!value || !*value) continue;
+
+ char *name = mystrsep(&value, "=");
+ if(!name || !*name) continue;
+ if(!value || !*value) continue;
+
+ if(!strcmp(name, "format")) {
+ if(!strcmp(value, ALLMETRICS_FORMAT_SHELL))
+ format = ALLMETRICS_SHELL;
+ else if(!strcmp(value, ALLMETRICS_FORMAT_PROMETHEUS))
+ format = ALLMETRICS_PROMETHEUS;
+ else if(!strcmp(value, ALLMETRICS_FORMAT_JSON))
+ format = ALLMETRICS_JSON;
+ else
+ format = 0;
+ }
+ }
+
+ buffer_flush(w->response.data);
+ buffer_no_cacheable(w->response.data);
+
+ switch(format) {
+ case ALLMETRICS_JSON:
+ w->response.data->contenttype = CT_APPLICATION_JSON;
+ rrd_stats_api_v1_charts_allmetrics_json(host, w->response.data);
+ return 200;
+
+ case ALLMETRICS_SHELL:
+ w->response.data->contenttype = CT_TEXT_PLAIN;
+ rrd_stats_api_v1_charts_allmetrics_shell(host, w->response.data);
+ return 200;
+
+ case ALLMETRICS_PROMETHEUS:
+ w->response.data->contenttype = CT_PROMETHEUS;
+ rrd_stats_api_v1_charts_allmetrics_prometheus(host, w->response.data);
+ return 200;
+
+ default:
+ w->response.data->contenttype = CT_TEXT_PLAIN;
+ buffer_strcat(w->response.data, "Which format? '" ALLMETRICS_FORMAT_SHELL "', '" ALLMETRICS_FORMAT_PROMETHEUS "' and '" ALLMETRICS_FORMAT_JSON "' are currently supported.");
+ return 400;
+ }
+}
+
+inline int web_client_api_request_v1_chart(RRDHOST *host, struct web_client *w, char *url) {
+ return web_client_api_request_single_chart(host, w, url, rrd_stats_api_v1_chart);
+}
+
+int web_client_api_request_v1_badge(RRDHOST *host, struct web_client *w, char *url) {
+ int ret = 400;
+ buffer_flush(w->response.data);
+
+ BUFFER *dimensions = NULL;
+
+ const char *chart = NULL
+ , *before_str = NULL
+ , *after_str = NULL
+ , *points_str = NULL
+ , *multiply_str = NULL
+ , *divide_str = NULL
+ , *label = NULL
+ , *units = NULL
+ , *label_color = NULL
+ , *value_color = NULL
+ , *refresh_str = NULL
+ , *precision_str = NULL
+ , *alarm = NULL;
+
+ int group = GROUP_AVERAGE;
+ uint32_t options = 0x00000000;
+
+ while(url) {
+ char *value = mystrsep(&url, "/?&");
+ if(!value || !*value) continue;
+
+ char *name = mystrsep(&value, "=");
+ if(!name || !*name) continue;
+ if(!value || !*value) continue;
+
+ debug(D_WEB_CLIENT, "%llu: API v1 badge.svg query param '%s' with value '%s'", w->id, name, value);
+
+ // name and value are now the parameters
+ // they are not null and not empty
+
+ if(!strcmp(name, "chart")) chart = value;
+ else if(!strcmp(name, "dimension") || !strcmp(name, "dim") || !strcmp(name, "dimensions") || !strcmp(name, "dims")) {
+ if(!dimensions)
+ dimensions = buffer_create(100);
+
+ buffer_strcat(dimensions, "|");
+ buffer_strcat(dimensions, value);
+ }
+ else if(!strcmp(name, "after")) after_str = value;
+ else if(!strcmp(name, "before")) before_str = value;
+ else if(!strcmp(name, "points")) points_str = value;
+ else if(!strcmp(name, "group")) {
+ group = web_client_api_request_v1_data_group(value, GROUP_AVERAGE);
+ }
+ else if(!strcmp(name, "options")) {
+ options |= web_client_api_request_v1_data_options(value);
+ }
+ else if(!strcmp(name, "label")) label = value;
+ else if(!strcmp(name, "units")) units = value;
+ else if(!strcmp(name, "label_color")) label_color = value;
+ else if(!strcmp(name, "value_color")) value_color = value;
+ else if(!strcmp(name, "multiply")) multiply_str = value;
+ else if(!strcmp(name, "divide")) divide_str = value;
+ else if(!strcmp(name, "refresh")) refresh_str = value;
+ else if(!strcmp(name, "precision")) precision_str = value;
+ else if(!strcmp(name, "alarm")) alarm = value;
+ }
+
+ if(!chart || !*chart) {
+ buffer_no_cacheable(w->response.data);
+ buffer_sprintf(w->response.data, "No chart id is given at the request.");
+ goto cleanup;
+ }
+
+ RRDSET *st = rrdset_find(host, chart);
+ if(!st) st = rrdset_find_byname(host, chart);
+ if(!st) {
+ buffer_no_cacheable(w->response.data);
+ buffer_svg(w->response.data, "chart not found", NAN, "", NULL, NULL, -1);
+ ret = 200;
+ goto cleanup;
+ }
+ st->last_accessed_time = now_realtime_sec();
+
+ RRDCALC *rc = NULL;
+ if(alarm) {
+ rc = rrdcalc_find(st, alarm);
+ if (!rc) {
+ buffer_no_cacheable(w->response.data);
+ buffer_svg(w->response.data, "alarm not found", NAN, "", NULL, NULL, -1);
+ ret = 200;
+ goto cleanup;
+ }
+ }
+
+ long long multiply = (multiply_str && *multiply_str )?str2l(multiply_str):1;
+ long long divide = (divide_str && *divide_str )?str2l(divide_str):1;
+ long long before = (before_str && *before_str )?str2l(before_str):0;
+ long long after = (after_str && *after_str )?str2l(after_str):-st->update_every;
+ int points = (points_str && *points_str )?str2i(points_str):1;
+ int precision = (precision_str && *precision_str)?str2i(precision_str):-1;
+
+ if(!multiply) multiply = 1;
+ if(!divide) divide = 1;
+
+ int refresh = 0;
+ if(refresh_str && *refresh_str) {
+ if(!strcmp(refresh_str, "auto")) {
+ if(rc) refresh = rc->update_every;
+ else if(options & RRDR_OPTION_NOT_ALIGNED)
+ refresh = st->update_every;
+ else {
+ refresh = (int)(before - after);
+ if(refresh < 0) refresh = -refresh;
+ }
+ }
+ else {
+ refresh = str2i(refresh_str);
+ if(refresh < 0) refresh = -refresh;
+ }
+ }
+
+ if(!label) {
+ if(alarm) {
+ char *s = (char *)alarm;
+ while(*s) {
+ if(*s == '_') *s = ' ';
+ s++;
+ }
+ label = alarm;
+ }
+ else if(dimensions) {
+ const char *dim = buffer_tostring(dimensions);
+ if(*dim == '|') dim++;
+ label = dim;
+ }
+ else
+ label = st->name;
+ }
+ if(!units) {
+ if(alarm) {
+ if(rc->units)
+ units = rc->units;
+ else
+ units = "";
+ }
+ else if(options & RRDR_OPTION_PERCENTAGE)
+ units = "%";
+ else
+ units = st->units;
+ }
+
+ debug(D_WEB_CLIENT, "%llu: API command 'badge.svg' for chart '%s', alarm '%s', dimensions '%s', after '%lld', before '%lld', points '%d', group '%d', options '0x%08x'"
+ , w->id
+ , chart
+ , alarm?alarm:""
+ , (dimensions)?buffer_tostring(dimensions):""
+ , after
+ , before
+ , points
+ , group
+ , options
+ );
+
+ if(rc) {
+ if (refresh > 0) {
+ buffer_sprintf(w->response.header, "Refresh: %d\r\n", refresh);
+ w->response.data->expires = now_realtime_sec() + refresh;
+ }
+ else buffer_no_cacheable(w->response.data);
+
+ if(!value_color) {
+ switch(rc->status) {
+ case RRDCALC_STATUS_CRITICAL:
+ value_color = "red";
+ break;
+
+ case RRDCALC_STATUS_WARNING:
+ value_color = "orange";
+ break;
+
+ case RRDCALC_STATUS_CLEAR:
+ value_color = "brightgreen";
+ break;
+
+ case RRDCALC_STATUS_UNDEFINED:
+ value_color = "lightgrey";
+ break;
+
+ case RRDCALC_STATUS_UNINITIALIZED:
+ value_color = "#000";
+ break;
+
+ default:
+ value_color = "grey";
+ break;
+ }
+ }
+
+ buffer_svg(w->response.data,
+ label,
+ (isnan(rc->value)||isinf(rc->value)) ? rc->value : rc->value * multiply / divide,
+ units,
+ label_color,
+ value_color,
+ precision);
+ ret = 200;
+ }
+ else {
+ time_t latest_timestamp = 0;
+ int value_is_null = 1;
+ calculated_number n = NAN;
+ ret = 500;
+
+ // if the collected value is too old, don't calculate its value
+ if (rrdset_last_entry_t(st) >= (now_realtime_sec() - (st->update_every * st->gap_when_lost_iterations_above)))
+ ret = rrdset2value_api_v1(st, w->response.data, &n, (dimensions) ? buffer_tostring(dimensions) : NULL
+ , points, after, before, group, options, NULL, &latest_timestamp, &value_is_null);
+
+ // if the value cannot be calculated, show empty badge
+ if (ret != 200) {
+ buffer_no_cacheable(w->response.data);
+ value_is_null = 1;
+ n = 0;
+ ret = 200;
+ }
+ else if (refresh > 0) {
+ buffer_sprintf(w->response.header, "Refresh: %d\r\n", refresh);
+ w->response.data->expires = now_realtime_sec() + refresh;
+ }
+ else buffer_no_cacheable(w->response.data);
+
+ // render the badge
+ buffer_svg(w->response.data,
+ label,
+ (value_is_null)?NAN:(n * multiply / divide),
+ units,
+ label_color,
+ value_color,
+ precision);
+ }
+
+ cleanup:
+ buffer_free(dimensions);
+ return ret;
+}
+
+// returns the HTTP code
+inline int web_client_api_request_v1_data(RRDHOST *host, struct web_client *w, char *url) {
+ debug(D_WEB_CLIENT, "%llu: API v1 data with URL '%s'", w->id, url);
+
+ int ret = 400;
+ BUFFER *dimensions = NULL;
+
+ buffer_flush(w->response.data);
+
+ char *google_version = "0.6",
+ *google_reqId = "0",
+ *google_sig = "0",
+ *google_out = "json",
+ *responseHandler = NULL,
+ *outFileName = NULL;
+
+ time_t last_timestamp_in_data = 0, google_timestamp = 0;
+
+ char *chart = NULL
+ , *before_str = NULL
+ , *after_str = NULL
+ , *points_str = NULL;
+
+ int group = GROUP_AVERAGE;
+ uint32_t format = DATASOURCE_JSON;
+ uint32_t options = 0x00000000;
+
+ while(url) {
+ char *value = mystrsep(&url, "?&");
+ if(!value || !*value) continue;
+
+ char *name = mystrsep(&value, "=");
+ if(!name || !*name) continue;
+ if(!value || !*value) continue;
+
+ debug(D_WEB_CLIENT, "%llu: API v1 data query param '%s' with value '%s'", w->id, name, value);
+
+ // name and value are now the parameters
+ // they are not null and not empty
+
+ if(!strcmp(name, "chart")) chart = value;
+ else if(!strcmp(name, "dimension") || !strcmp(name, "dim") || !strcmp(name, "dimensions") || !strcmp(name, "dims")) {
+ if(!dimensions) dimensions = buffer_create(100);
+ buffer_strcat(dimensions, "|");
+ buffer_strcat(dimensions, value);
+ }
+ else if(!strcmp(name, "after")) after_str = value;
+ else if(!strcmp(name, "before")) before_str = value;
+ else if(!strcmp(name, "points")) points_str = value;
+ else if(!strcmp(name, "group")) {
+ group = web_client_api_request_v1_data_group(value, GROUP_AVERAGE);
+ }
+ else if(!strcmp(name, "format")) {
+ format = web_client_api_request_v1_data_format(value);
+ }
+ else if(!strcmp(name, "options")) {
+ options |= web_client_api_request_v1_data_options(value);
+ }
+ else if(!strcmp(name, "callback")) {
+ responseHandler = value;
+ }
+ else if(!strcmp(name, "filename")) {
+ outFileName = value;
+ }
+ else if(!strcmp(name, "tqx")) {
+ // parse Google Visualization API options
+ // https://developers.google.com/chart/interactive/docs/dev/implementing_data_source
+ char *tqx_name, *tqx_value;
+
+ while(value) {
+ tqx_value = mystrsep(&value, ";");
+ if(!tqx_value || !*tqx_value) continue;
+
+ tqx_name = mystrsep(&tqx_value, ":");
+ if(!tqx_name || !*tqx_name) continue;
+ if(!tqx_value || !*tqx_value) continue;
+
+ if(!strcmp(tqx_name, "version"))
+ google_version = tqx_value;
+ else if(!strcmp(tqx_name, "reqId"))
+ google_reqId = tqx_value;
+ else if(!strcmp(tqx_name, "sig")) {
+ google_sig = tqx_value;
+ google_timestamp = strtoul(google_sig, NULL, 0);
+ }
+ else if(!strcmp(tqx_name, "out")) {
+ google_out = tqx_value;
+ format = web_client_api_request_v1_data_google_format(google_out);
+ }
+ else if(!strcmp(tqx_name, "responseHandler"))
+ responseHandler = tqx_value;
+ else if(!strcmp(tqx_name, "outFileName"))
+ outFileName = tqx_value;
+ }
+ }
+ }
+
+ if(!chart || !*chart) {
+ buffer_sprintf(w->response.data, "No chart id is given at the request.");
+ goto cleanup;
+ }
+
+ RRDSET *st = rrdset_find(host, chart);
+ if(!st) st = rrdset_find_byname(host, chart);
+ if(!st) {
+ buffer_strcat(w->response.data, "Chart is not found: ");
+ buffer_strcat_htmlescape(w->response.data, chart);
+ ret = 404;
+ goto cleanup;
+ }
+ st->last_accessed_time = now_realtime_sec();
+
+ long long before = (before_str && *before_str)?str2l(before_str):0;
+ long long after = (after_str && *after_str) ?str2l(after_str):0;
+ int points = (points_str && *points_str)?str2i(points_str):0;
+
+ debug(D_WEB_CLIENT, "%llu: API command 'data' for chart '%s', dimensions '%s', after '%lld', before '%lld', points '%d', group '%d', format '%u', options '0x%08x'"
+ , w->id
+ , chart
+ , (dimensions)?buffer_tostring(dimensions):""
+ , after
+ , before
+ , points
+ , group
+ , format
+ , options
+ );
+
+ if(outFileName && *outFileName) {
+ buffer_sprintf(w->response.header, "Content-Disposition: attachment; filename=\"%s\"\r\n", outFileName);
+ debug(D_WEB_CLIENT, "%llu: generating outfilename header: '%s'", w->id, outFileName);
+ }
+
+ if(format == DATASOURCE_DATATABLE_JSONP) {
+ if(responseHandler == NULL)
+ responseHandler = "google.visualization.Query.setResponse";
+
+ debug(D_WEB_CLIENT_ACCESS, "%llu: GOOGLE JSON/JSONP: version = '%s', reqId = '%s', sig = '%s', out = '%s', responseHandler = '%s', outFileName = '%s'",
+ w->id, google_version, google_reqId, google_sig, google_out, responseHandler, outFileName
+ );
+
+ buffer_sprintf(w->response.data,
+ "%s({version:'%s',reqId:'%s',status:'ok',sig:'%ld',table:",
+ responseHandler, google_version, google_reqId, st->last_updated.tv_sec);
+ }
+ else if(format == DATASOURCE_JSONP) {
+ if(responseHandler == NULL)
+ responseHandler = "callback";
+
+ buffer_strcat(w->response.data, responseHandler);
+ buffer_strcat(w->response.data, "(");
+ }
+
+ ret = rrdset2anything_api_v1(st, w->response.data, dimensions, format, points, after, before, group, options
+ , &last_timestamp_in_data);
+
+ if(format == DATASOURCE_DATATABLE_JSONP) {
+ if(google_timestamp < last_timestamp_in_data)
+ buffer_strcat(w->response.data, "});");
+
+ else {
+ // the client already has the latest data
+ buffer_flush(w->response.data);
+ buffer_sprintf(w->response.data,
+ "%s({version:'%s',reqId:'%s',status:'error',errors:[{reason:'not_modified',message:'Data not modified'}]});",
+ responseHandler, google_version, google_reqId);
+ }
+ }
+ else if(format == DATASOURCE_JSONP)
+ buffer_strcat(w->response.data, ");");
+
+ cleanup:
+ buffer_free(dimensions);
+ return ret;
+}
+
+inline int web_client_api_request_v1_registry(RRDHOST *host, struct web_client *w, char *url) {
+ static uint32_t hash_action = 0, hash_access = 0, hash_hello = 0, hash_delete = 0, hash_search = 0,
+ hash_switch = 0, hash_machine = 0, hash_url = 0, hash_name = 0, hash_delete_url = 0, hash_for = 0,
+ hash_to = 0 /*, hash_redirects = 0 */;
+
+ if(unlikely(!hash_action)) {
+ hash_action = simple_hash("action");
+ hash_access = simple_hash("access");
+ hash_hello = simple_hash("hello");
+ hash_delete = simple_hash("delete");
+ hash_search = simple_hash("search");
+ hash_switch = simple_hash("switch");
+ hash_machine = simple_hash("machine");
+ hash_url = simple_hash("url");
+ hash_name = simple_hash("name");
+ hash_delete_url = simple_hash("delete_url");
+ hash_for = simple_hash("for");
+ hash_to = simple_hash("to");
+/*
+ hash_redirects = simple_hash("redirects");
+*/
+ }
+
+ char person_guid[GUID_LEN + 1] = "";
+
+ debug(D_WEB_CLIENT, "%llu: API v1 registry with URL '%s'", w->id, url);
+
+ // FIXME
+ // The browser may send multiple cookies with our id
+
+ char *cookie = strstr(w->response.data->buffer, NETDATA_REGISTRY_COOKIE_NAME "=");
+ if(cookie)
+ strncpyz(person_guid, &cookie[sizeof(NETDATA_REGISTRY_COOKIE_NAME)], 36);
+
+ char action = '\0';
+ char *machine_guid = NULL,
+ *machine_url = NULL,
+ *url_name = NULL,
+ *search_machine_guid = NULL,
+ *delete_url = NULL,
+ *to_person_guid = NULL;
+/*
+ int redirects = 0;
+*/
+
+ while(url) {
+ char *value = mystrsep(&url, "?&");
+ if (!value || !*value) continue;
+
+ char *name = mystrsep(&value, "=");
+ if (!name || !*name) continue;
+ if (!value || !*value) continue;
+
+ debug(D_WEB_CLIENT, "%llu: API v1 registry query param '%s' with value '%s'", w->id, name, value);
+
+ uint32_t hash = simple_hash(name);
+
+ if(hash == hash_action && !strcmp(name, "action")) {
+ uint32_t vhash = simple_hash(value);
+
+ if(vhash == hash_access && !strcmp(value, "access")) action = 'A';
+ else if(vhash == hash_hello && !strcmp(value, "hello")) action = 'H';
+ else if(vhash == hash_delete && !strcmp(value, "delete")) action = 'D';
+ else if(vhash == hash_search && !strcmp(value, "search")) action = 'S';
+ else if(vhash == hash_switch && !strcmp(value, "switch")) action = 'W';
+#ifdef NETDATA_INTERNAL_CHECKS
+ else error("unknown registry action '%s'", value);
+#endif /* NETDATA_INTERNAL_CHECKS */
+ }
+/*
+ else if(hash == hash_redirects && !strcmp(name, "redirects"))
+ redirects = atoi(value);
+*/
+ else if(hash == hash_machine && !strcmp(name, "machine"))
+ machine_guid = value;
+
+ else if(hash == hash_url && !strcmp(name, "url"))
+ machine_url = value;
+
+ else if(action == 'A') {
+ if(hash == hash_name && !strcmp(name, "name"))
+ url_name = value;
+ }
+ else if(action == 'D') {
+ if(hash == hash_delete_url && !strcmp(name, "delete_url"))
+ delete_url = value;
+ }
+ else if(action == 'S') {
+ if(hash == hash_for && !strcmp(name, "for"))
+ search_machine_guid = value;
+ }
+ else if(action == 'W') {
+ if(hash == hash_to && !strcmp(name, "to"))
+ to_person_guid = value;
+ }
+#ifdef NETDATA_INTERNAL_CHECKS
+ else error("unused registry URL parameter '%s' with value '%s'", name, value);
+#endif /* NETDATA_INTERNAL_CHECKS */
+ }
+
+ if(respect_web_browser_do_not_track_policy && w->donottrack) {
+ buffer_flush(w->response.data);
+ buffer_sprintf(w->response.data, "Your web browser is sending 'DNT: 1' (Do Not Track). The registry requires persistent cookies on your browser to work.");
+ return 400;
+ }
+
+ if(action == 'A' && (!machine_guid || !machine_url || !url_name)) {
+ error("Invalid registry request - access requires these parameters: machine ('%s'), url ('%s'), name ('%s')",
+ machine_guid?machine_guid:"UNSET", machine_url?machine_url:"UNSET", url_name?url_name:"UNSET");
+ buffer_flush(w->response.data);
+ buffer_strcat(w->response.data, "Invalid registry Access request.");
+ return 400;
+ }
+ else if(action == 'D' && (!machine_guid || !machine_url || !delete_url)) {
+ error("Invalid registry request - delete requires these parameters: machine ('%s'), url ('%s'), delete_url ('%s')",
+ machine_guid?machine_guid:"UNSET", machine_url?machine_url:"UNSET", delete_url?delete_url:"UNSET");
+ buffer_flush(w->response.data);
+ buffer_strcat(w->response.data, "Invalid registry Delete request.");
+ return 400;
+ }
+ else if(action == 'S' && (!machine_guid || !machine_url || !search_machine_guid)) {
+ error("Invalid registry request - search requires these parameters: machine ('%s'), url ('%s'), for ('%s')",
+ machine_guid?machine_guid:"UNSET", machine_url?machine_url:"UNSET", search_machine_guid?search_machine_guid:"UNSET");
+ buffer_flush(w->response.data);
+ buffer_strcat(w->response.data, "Invalid registry Search request.");
+ return 400;
+ }
+ else if(action == 'W' && (!machine_guid || !machine_url || !to_person_guid)) {
+ error("Invalid registry request - switching identity requires these parameters: machine ('%s'), url ('%s'), to ('%s')",
+ machine_guid?machine_guid:"UNSET", machine_url?machine_url:"UNSET", to_person_guid?to_person_guid:"UNSET");
+ buffer_flush(w->response.data);
+ buffer_strcat(w->response.data, "Invalid registry Switch request.");
+ return 400;
+ }
+
+ switch(action) {
+ case 'A':
+ w->tracking_required = 1;
+ return registry_request_access_json(host, w, person_guid, machine_guid, machine_url, url_name, now_realtime_sec());
+
+ case 'D':
+ w->tracking_required = 1;
+ return registry_request_delete_json(host, w, person_guid, machine_guid, machine_url, delete_url, now_realtime_sec());
+
+ case 'S':
+ w->tracking_required = 1;
+ return registry_request_search_json(host, w, person_guid, machine_guid, machine_url, search_machine_guid, now_realtime_sec());
+
+ case 'W':
+ w->tracking_required = 1;
+ return registry_request_switch_json(host, w, person_guid, machine_guid, machine_url, to_person_guid, now_realtime_sec());
+
+ case 'H':
+ return registry_request_hello_json(host, w);
+
+ default:
+ buffer_flush(w->response.data);
+ buffer_strcat(w->response.data, "Invalid registry request - you need to set an action: hello, access, delete, search");
+ return 400;
+ }
+}
+
+inline int web_client_api_request_v1(RRDHOST *host, struct web_client *w, char *url) {
+ static uint32_t hash_data = 0, hash_chart = 0, hash_charts = 0, hash_registry = 0, hash_badge = 0, hash_alarms = 0, hash_alarm_log = 0, hash_alarm_variables = 0, hash_raw = 0;
+
+ if(unlikely(hash_data == 0)) {
+ hash_data = simple_hash("data");
+ hash_chart = simple_hash("chart");
+ hash_charts = simple_hash("charts");
+ hash_registry = simple_hash("registry");
+ hash_badge = simple_hash("badge.svg");
+ hash_alarms = simple_hash("alarms");
+ hash_alarm_log = simple_hash("alarm_log");
+ hash_alarm_variables = simple_hash("alarm_variables");
+ hash_raw = simple_hash("allmetrics");
+ }
+
+ // get the command
+ char *tok = mystrsep(&url, "/?&");
+ if(tok && *tok) {
+ debug(D_WEB_CLIENT, "%llu: Searching for API v1 command '%s'.", w->id, tok);
+ uint32_t hash = simple_hash(tok);
+
+ if(hash == hash_data && !strcmp(tok, "data"))
+ return web_client_api_request_v1_data(host, w, url);
+
+ else if(hash == hash_chart && !strcmp(tok, "chart"))
+ return web_client_api_request_v1_chart(host, w, url);
+
+ else if(hash == hash_charts && !strcmp(tok, "charts"))
+ return web_client_api_request_v1_charts(host, w, url);
+
+ else if(hash == hash_registry && !strcmp(tok, "registry"))
+ return web_client_api_request_v1_registry(host, w, url);
+
+ else if(hash == hash_badge && !strcmp(tok, "badge.svg"))
+ return web_client_api_request_v1_badge(host, w, url);
+
+ else if(hash == hash_alarms && !strcmp(tok, "alarms"))
+ return web_client_api_request_v1_alarms(host, w, url);
+
+ else if(hash == hash_alarm_log && !strcmp(tok, "alarm_log"))
+ return web_client_api_request_v1_alarm_log(host, w, url);
+
+ else if(hash == hash_alarm_variables && !strcmp(tok, "alarm_variables"))
+ return web_client_api_request_v1_alarm_variables(host, w, url);
+
+ else if(hash == hash_raw && !strcmp(tok, "allmetrics"))
+ return web_client_api_request_v1_allmetrics(host, w, url);
+
+ else {
+ buffer_flush(w->response.data);
+ buffer_strcat(w->response.data, "Unsupported v1 API command: ");
+ buffer_strcat_htmlescape(w->response.data, tok);
+ return 404;
+ }
+ }
+ else {
+ buffer_flush(w->response.data);
+ buffer_sprintf(w->response.data, "Which API v1 command?");
+ return 400;
+ }
+}