Convert binding to use the controller

Change-Id: Iae15b07ee768584d7a1a958fb7e119bca65c29e4
Signed-off-by: Sebastien Douheret <sebastien.douheret@iot.bzh>

1 files changed, 164 insertions, 0 deletions

diff --git a/src/plugins/supervisor-api.c b/src/plugins/supervisor-api.c
new file mode 100644
index 0000000..0c1a5bc
--- /dev/null
+++ b/src/plugins/supervisor-api.c
@@ -0,0 +1,164 @@
+/*
+ * Copyright (C) 2018 "IoT.bzh"
+ * Author "Sebastien Douheret" <sebastien@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 <fcntl.h>
+#include <stdio.h>
+#include <string.h>
+#include <unistd.h>
+
+#include "ctl-plugin.h"
+#include "supervisor-api.h"
+#include "supervisor.h"
+#include "wrap-json.h"
+
+CTLP_CAPI_REGISTER("supervisor");
+
+CTLP_ONLOAD(plugin, ret)
+{
+    return 0;
+}
+
+CTLP_CAPI(list, source, argsJ, eventJ)
+{
+    json_object *result, *item = NULL;
+    DAEMONS_T* daemons = NULL;
+
+    getDaemons(source->api, &daemons);
+    if (daemons == NULL) {
+        AFB_ApiError(source->api, "failed");
+        return ERROR;
+    }
+
+    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_ReqSucess(source->request, result, NULL);
+    return 0;
+}
+
+CTLP_CAPI(trace, source, argsJ, eventJ)
+{
+    int rc;
+    json_object* result = NULL;
+    DAEMONS_T* daemons = NULL;
+    const char* ws_name;
+    const char* wsn;
+
+    if (wrap_json_unpack(argsJ, "{s:?s}", "ws", &ws_name)) {
+        AFB_ReqFail(source->request, "Failed", "Error processing arguments.");
+        return ERROR;
+    }
+    AFB_ApiNotice(source->api, "Trace ws: %s", ws_name);
+
+    getDaemons(source->api, &daemons);
+    if (daemons == NULL || daemons->count <= 0) {
+        AFB_ReqFail(source->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_ApiDebug(source->api, "_DEBUG_ svr %s",
+            json_object_to_json_string(daemons->daemons[i]->ws_servers));
+        AFB_ApiDebug(source->api, "_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(source->api, pid_s, pid_c)) < 0) {
+                AFB_ReqFailF(source->request, "failed", "Trace error %d", rc);
+            }
+            break;
+        }
+    }
+
+    if (pid_s == NULL || pid_c == NULL) {
+        AFB_ReqFail(source->request, "failed", "Cannot determine Server or Client");
+        return ERROR;
+    }
+
+    AFB_ReqSucessF(source->request, result, "Tracing Server pid=%d <-> Client pid=%d", pid_s->pid, pid_c->pid);
+
+    return 0;
+}
+
+/* SEB TODO
+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);
+        }
+    }
+}
+*/