Convert binding to use the controller

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

1 files changed, 194 insertions, 0 deletions

diff --git a/src/plugins/supervisor.c b/src/plugins/supervisor.c
new file mode 100644
index 0000000..649713e
--- /dev/null
+++ b/src/plugins/supervisor.c
@@ -0,0 +1,194 @@
+/*
+ * 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 <stdbool.h>
+#include <stdio.h>
+#include <string.h>
+
+#include "ctl-plugin.h"
+#include "supervisor-api.h"
+#include "supervisor.h"
+#include "wrap-json.h"
+
+struct afb_cred {
+    int refcount;
+    uid_t uid;
+    gid_t gid;
+    pid_t pid;
+    const char* user;
+    const char* label;
+    const char* id;
+};
+
+static const char* null_str = "null";
+
+struct decode_daemon_str {
+    DAEMONS_T* daemons;
+    AFB_ApiT api;
+    const char* ignored_daemon;
+};
+
+static void decode_daemons_cb(void* closure, json_object* obj, const char* fName)
+{
+    int rc;
+    struct afb_cred cred;
+    json_object *j_response, *j_query, *j_config, *j_ws_servers, *j_ws_clients;
+    json_object *j_name, *j_apis;
+    struct decode_daemon_str* clStr = (struct decode_daemon_str*)closure;
+    DAEMON_T* daemon = calloc(sizeof(DAEMON_T), 1);
+
+    if (!clStr->daemons)
+        return;
+
+    if ((rc = wrap_json_unpack(obj, "{si si si ss ss ss}", "pid", &cred.pid,
+             "uid", &cred.uid, "gid", &cred.gid, "id", &cred.id,
+             "label", &cred.label, "user", &cred.user))
+        < 0) {
+        // TODO
+        return;
+    }
+
+    AFB_ApiInfo(clStr->api, "Get config of pid %d", cred.pid);
+    daemon->pid = cred.pid;
+
+    // Get config
+    wrap_json_pack(&j_query, "{s:i}", "pid", cred.pid);
+    rc = AFB_ServiceSync(clStr->api, SRV_SUPERVISOR_NAME, "config", j_query, &j_response);
+    if (rc < 0) {
+        AFB_ApiError(clStr->api, "Cannot get config of pid %d", cred.pid);
+        return;
+    }
+
+    AFB_ApiDebug(clStr->api, "%s config result, res=%s", SRV_SUPERVISOR_NAME,
+        json_object_to_json_string(j_response));
+
+    if (json_object_object_get_ex(j_response, "response", &j_config)) {
+        // FIXME : implement free
+        daemon->config = j_config;
+
+        rc = wrap_json_unpack(j_config, "{s:o s:o s:o}",
+            "name", &j_name,
+            "ws_servers", &j_ws_servers,
+            "ws_clients", &j_ws_clients);
+        if (rc < 0) {
+            AFB_ApiError(clStr->api, "Error decoding config response %s", wrap_json_get_error_string(rc));
+            return;
+        }
+
+        daemon->name = json_object_is_type(j_name, json_type_null) ? null_str : json_object_get_string(j_name);
+
+        // ignored some daemon
+        if (clStr->ignored_daemon != NULL && strstr(daemon->name, clStr->ignored_daemon) != NULL) {
+            free(daemon);
+            return;
+        }
+
+        daemon->ws_servers = j_ws_servers;
+        daemon->isServer = (json_object_array_length(j_ws_servers) > 0);
+        daemon->ws_clients = j_ws_clients;
+        daemon->isClient = (json_object_array_length(j_ws_clients) > 0);
+    }
+
+    // Get apis
+    // '{"pid":6262,"api":"monitor","verb":"get","args":{"apis":true}}
+    wrap_json_pack(&j_query, "{si ss ss s {sb}}",
+        "pid", cred.pid,
+        "api", "monitor",
+        "verb", "get",
+        "args", "apis", true);
+    rc = AFB_ServiceSync(clStr->api, SRV_SUPERVISOR_NAME, "do", j_query, &j_response);
+    if (rc < 0) {
+        AFB_ApiError(clStr->api, "Cannot get apis of pid %d", cred.pid);
+        return;
+    } else {
+        AFB_ApiDebug(clStr->api, "%s do ...get apis result, res=%s", SRV_SUPERVISOR_NAME, json_object_to_json_string(j_response));
+
+        if (json_object_object_get_ex(j_response, "response", &j_config) && json_object_object_get_ex(j_config, "apis", &j_apis)) {
+            daemon->apis = j_apis;
+        }
+    }
+    clStr->daemons->daemons[clStr->daemons->count] = daemon;
+    clStr->daemons->count++;
+}
+
+int getDaemons(AFB_ApiT apiHandle, DAEMONS_T** daemons)
+{
+    int rc;
+    json_object *j_response, *j_daemons = NULL;
+
+    *daemons = calloc(sizeof(DAEMONS_T), 1);
+
+    if ((rc = AFB_ServiceSync(apiHandle, SRV_SUPERVISOR_NAME, "discover", NULL,
+             &j_response))
+        < 0) {
+        return rc;
+    }
+
+    if ((rc = AFB_ServiceSync(apiHandle, SRV_SUPERVISOR_NAME, "list", NULL,
+             &j_response))
+        < 0) {
+        return rc;
+    }
+
+    AFB_ApiDebug(apiHandle, "%s list result, res=%s", SRV_SUPERVISOR_NAME, json_object_to_json_string(j_response));
+
+    if (json_object_object_get_ex(j_response, "response", &j_daemons)) {
+        struct decode_daemon_str str = {
+            *daemons,
+            apiHandle,
+            GetBinderName()
+        };
+        wrap_json_object_for_all(j_daemons, decode_daemons_cb, &str);
+    }
+
+    return 0;
+}
+
+int trace_exchange(AFB_ApiT apiHandle, DAEMON_T* svr, DAEMON_T* cli)
+{
+    int rc;
+    json_object *j_response, *j_query;
+
+    if (svr == NULL || cli == NULL) {
+        return -1;
+    }
+
+    wrap_json_pack(&j_query, "{s:i, s:{s:s}}", "pid", svr->pid, "add",
+        "request", "common");
+    if ((rc = AFB_ServiceSync(apiHandle, SRV_SUPERVISOR_NAME, "trace", j_query,
+             &j_response))
+        < 0) {
+        AFB_ApiError(apiHandle, "ERROR trace %d result: %s", svr->pid,
+            json_object_to_json_string(j_response));
+        return rc;
+    }
+
+    wrap_json_pack(&j_query, "{s:i}", "pid", cli->pid);
+    if ((rc = AFB_ServiceSync(apiHandle, SRV_SUPERVISOR_NAME, "trace", j_query,
+             &j_response))
+        < 0) {
+        AFB_ApiError(apiHandle, "ERROR trace %d result: %s", cli->pid,
+            json_object_to_json_string(j_response));
+        return rc;
+    }
+
+    return 0;
+}
+
+int supervisor_init(void)
+{
+    return 0;
+}