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authorSebastien Douheret <sebastien.douheret@iot.bzh>2018-04-12 09:42:39 +0200
committerSebastien Douheret <sebastien.douheret@iot.bzh>2018-07-10 23:59:53 +0200
commitd67d4335f05635d06b433f7d3fa0f6a4e401ec92 (patch)
treeb5d57ea1620278f65008f8faf34648f58d04da42 /xds-service/xds-service-api.c
Initial commit
Change-Id: Ia434e5b4869ea19b0b78b1c586c44c15cb93c7e8 Signed-off-by: Sebastien Douheret <sebastien.douheret@iot.bzh>
Diffstat (limited to 'xds-service/xds-service-api.c')
-rw-r--r--xds-service/xds-service-api.c224
1 files changed, 224 insertions, 0 deletions
diff --git a/xds-service/xds-service-api.c b/xds-service/xds-service-api.c
new file mode 100644
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--- /dev/null
+++ b/xds-service/xds-service-api.c
@@ -0,0 +1,224 @@
+/*
+ * Copyright (C) 2018 "IoT.bzh"
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#define _GNU_SOURCE
+#include "xds-service-api.h"
+#include "supervisor-service.h"
+#include "xds-service-apidef.h"
+#include <stdio.h>
+#include <string.h>
+#include <time.h>
+
+#define SRV_SUPERVISOR_NAME "supervisor"
+#define SRV_HARVESTER_NAME "harvester"
+
+typedef struct metric_t {
+ char* name;
+ json_object* data;
+ struct timespec timestamp;
+} METRIC_T;
+
+void list(struct afb_req request)
+{
+ json_object *result, *item = NULL;
+ DAEMONS_T* daemons = NULL;
+
+ getDaemons(&daemons);
+ if (daemons == NULL) {
+ afb_req_fail(request, "failed", "");
+ return;
+ }
+
+ result = json_object_new_array();
+
+ for (int i = 0; i < daemons->count; i++) {
+ wrap_json_pack(&item, "{si ss sb sb so so so}",
+ "pid", daemons->daemons[i]->pid,
+ "name", daemons->daemons[i]->name,
+ "isServer", daemons->daemons[i]->isServer,
+ "isClient", daemons->daemons[i]->isClient,
+ "ws_servers", daemons->daemons[i]->ws_servers,
+ "ws_clients", daemons->daemons[i]->ws_clients,
+ "apis", daemons->daemons[i]->apis);
+ //, "config", daemons->daemons[i]->config);
+ json_object_array_add(result, item);
+ }
+ afb_req_success(request, result, NULL);
+}
+
+void trace(struct afb_req request)
+{
+ int rc;
+ json_object* req_args = afb_req_json(request);
+ json_object* result = NULL;
+ DAEMONS_T* daemons = NULL;
+ const char* ws_name;
+ const char* wsn;
+
+ if (wrap_json_unpack(req_args, "{s:?s}", "ws", &ws_name)) {
+ afb_req_fail(request, "Failed", "Error processing arguments.");
+ return;
+ }
+ AFB_INFO("Trace ws: %s", ws_name);
+
+ getDaemons(&daemons);
+ if (daemons == NULL || daemons->count <= 0) {
+ afb_req_fail(request, "failed", "No daemon found");
+ }
+
+ // search server and client pid
+ DAEMON_T *pid_s = NULL, *pid_c = NULL;
+ for (int i = 0; i < daemons->count; i++) {
+ AFB_DEBUG("_DEBUG_ svr %s",
+ json_object_to_json_string(daemons->daemons[i]->ws_servers));
+ AFB_DEBUG("_DEBUG_ cli %s",
+ json_object_to_json_string(daemons->daemons[i]->ws_clients));
+
+ json_object* ws_servers = daemons->daemons[i]->ws_servers;
+ for (int j = 0; j < json_object_array_length(ws_servers); j++) {
+
+ wsn = json_object_get_string(json_object_array_get_idx(ws_servers, j++));
+ if (wsn && strstr(wsn, ws_name) != NULL) {
+ pid_s = daemons->daemons[i];
+ break;
+ }
+ }
+
+ json_object* ws_clients = daemons->daemons[i]->ws_clients;
+ for (int j = 0; j < json_object_array_length(ws_clients); j++) {
+ wsn = json_object_get_string(json_object_array_get_idx(ws_clients, j++));
+ if (wsn && strstr(wsn, ws_name) != NULL) {
+ pid_c = daemons->daemons[i];
+ break;
+ }
+ }
+
+ if (pid_s != NULL && pid_c != NULL) {
+ if ((rc = trace_exchange(pid_s, pid_c)) < 0) {
+ afb_req_fail_f(request, "failed", "Trace error %d", rc);
+ }
+ break;
+ }
+ }
+
+ if (pid_s == NULL || pid_c == NULL) {
+ afb_req_fail(request, "failed", "Cannot determine Server or Client");
+ return;
+ }
+
+ afb_req_success_f(request, result, "Tracing Server pid=%d <-> Client pid=%d",
+ pid_s->pid, pid_c->pid);
+}
+
+static int harvester_post_data(METRIC_T* metric)
+{
+
+ int rc;
+ json_object *j_res, *j_query;
+
+ if (!metric->timestamp.tv_sec && !metric->timestamp.tv_nsec) {
+ clock_gettime(CLOCK_MONOTONIC, &metric->timestamp);
+ }
+
+ rc = wrap_json_pack(&j_query, "{s:s s:i s:{ s:s s:o s:i } }", "host",
+ "localhost", "port", 8086, "metric", "name", metric->name,
+ "value", metric->data, "timestamp",
+ metric->timestamp.tv_sec);
+ if (rc < 0) {
+ AFB_ERROR("Error packing metric, rc=%d", rc);
+ return rc;
+ }
+
+ AFB_DEBUG("%s write: %s", SRV_HARVESTER_NAME,
+ json_object_to_json_string(j_query));
+
+ rc = afb_service_call_sync(SRV_HARVESTER_NAME, "write", j_query, &j_res);
+ if (rc < 0) {
+ AFB_ERROR("Error %s write : rc=%d, j_res=%s", SRV_HARVESTER_NAME, rc,
+ json_object_to_json_string(j_res));
+ return rc;
+ }
+ return 0;
+}
+
+void xds_event_cb(const char* evtname, json_object* j_event)
+{
+ int rc;
+ METRIC_T metric;
+ const char* type = NULL;
+ struct json_object* request = NULL;
+
+ AFB_NOTICE("RECV Event %s : %s", evtname,
+ json_object_to_json_string(j_event));
+
+ if (strcmp(evtname, "supervisor/trace") != 0) {
+ return;
+ }
+
+ if ((rc = wrap_json_unpack(j_event, "{s:?s}", "type", &type)) < 0) {
+ AFB_ERROR("Cannot decode event type");
+ return;
+ }
+
+ if (strcmp(type, "request") == 0) {
+
+ if (!json_object_object_get_ex(j_event, "request", &request)) {
+ AFB_ERROR("Cannot decode event request");
+ return;
+ }
+ metric.name = "trace";
+ metric.data = request;
+
+ rc = harvester_post_data(&metric);
+ if (rc < 0) {
+ AFB_ERROR("ERROR harvester_post_data: rc %d", rc);
+ }
+ }
+}
+
+void auth(struct afb_req request)
+{
+ afb_req_session_set_LOA(request, 1);
+ afb_req_success(request, NULL, NULL);
+}
+
+int init()
+{
+
+#if 0 // DEBUG
+ DAEMONS_T *daemons = NULL;
+ getDaemons(&daemons);
+
+ if (daemons) {
+ if (daemons->count) {
+ AFB_DEBUG("_DEBUG_ daemons->count %d", daemons->count);
+ for (int i = 0; i < daemons->count; i++) {
+ AFB_DEBUG("pid %d : isServer %d, isClient %d, %s %s",
+ daemons->daemons[i]->pid, daemons->daemons[i]->isServer,
+ daemons->daemons[i]->isClient,
+ json_object_to_json_string(daemons->daemons[i]->ws_servers),
+ json_object_to_json_string(daemons->daemons[i]->ws_clients));
+ }
+ free(daemons);
+ } else {
+ AFB_DEBUG("_DEBUG_ no dameons detected !");
+ }
+ }
+#endif
+
+ supervisor_service_init();
+
+ return 0;
+}