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-rw-r--r--src/plugins/CMakeLists.txt42
-rw-r--r--src/plugins/supervisor-api.c164
-rw-r--r--src/plugins/supervisor-api.h36
-rw-r--r--src/plugins/supervisor.c194
-rw-r--r--src/plugins/supervisor.h53
5 files changed, 489 insertions, 0 deletions
diff --git a/src/plugins/CMakeLists.txt b/src/plugins/CMakeLists.txt
new file mode 100644
index 0000000..1c1c557
--- /dev/null
+++ b/src/plugins/CMakeLists.txt
@@ -0,0 +1,42 @@
+###########################################################################
+# Copyright 2015, 2016, 2017 IoT.bzh
+#
+# author: Romain Forlot <romain.forlot@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.
+###########################################################################
+
+PROJECT_TARGET_ADD(supervisor)
+
+ # Define targets
+ ADD_LIBRARY(${TARGET_NAME} MODULE
+ ${TARGET_NAME}-api.c
+ ${TARGET_NAME}.c
+ ../utils/list.c)
+
+ # Alsa Plugin properties
+ SET_TARGET_PROPERTIES(${TARGET_NAME} PROPERTIES
+ LABELS "PLUGIN"
+ PREFIX ""
+ SUFFIX ".ctlso"
+ OUTPUT_NAME ${TARGET_NAME}
+ )
+
+ # Library dependencies (include updates automatically)
+ TARGET_LINK_LIBRARIES(${TARGET_NAME}
+ afb-helpers
+ ${link_libraries}
+ )
+
+ target_include_directories(${TARGET_NAME}
+ PRIVATE "${CMAKE_SOURCE_DIR}/app-controller/ctl-lib")
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);
+ }
+ }
+}
+*/
diff --git a/src/plugins/supervisor-api.h b/src/plugins/supervisor-api.h
new file mode 100644
index 0000000..beadeca
--- /dev/null
+++ b/src/plugins/supervisor-api.h
@@ -0,0 +1,36 @@
+/*
+ * 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.
+ */
+#pragma once
+
+#include <stdbool.h>
+#include "wrap-json.h"
+#include "filescan-utils.h"
+
+#define SRV_HARVESTER_NAME "harvester"
+
+#define META_SOURCENAME GetBinderName();
+#define META_IDENTITY "" // FIXME
+
+#ifndef ERROR
+ #define ERROR -1
+#endif
+
+typedef struct metric_t {
+ char* name;
+ json_object* data;
+ struct timespec timestamp;
+} METRIC_T;
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;
+}
diff --git a/src/plugins/supervisor.h b/src/plugins/supervisor.h
new file mode 100644
index 0000000..3311734
--- /dev/null
+++ b/src/plugins/supervisor.h
@@ -0,0 +1,53 @@
+/*
+ * 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.
+ */
+#pragma once
+
+#include <stdbool.h>
+#include "wrap-json.h"
+
+#define SRV_SUPERVISOR_NAME "supervisor"
+
+// FIXME Use chained list instead of static array
+#define MAX_CLIENTS 32
+#define MAX_SERVERS 32
+#define MAX_DAEMONS 1024
+
+
+typedef struct daemon
+{
+ int pid;
+ const char* name;
+ bool isServer;
+ bool isClient;
+ //char *ws_clients[MAX_CLIENTS];
+ //char *ws_servers[MAX_SERVERS];
+ json_object *ws_clients;
+ json_object *ws_servers;
+ json_object *config;
+ json_object *apis;
+} DAEMON_T;
+
+typedef struct daemons_result_
+{
+ int count;
+ DAEMON_T *daemons[MAX_DAEMONS];
+} DAEMONS_T;
+
+
+extern int getDaemons(AFB_ApiT apiHandle, DAEMONS_T **daemons);
+extern int trace_exchange(AFB_ApiT apiHandle, DAEMON_T *svr, DAEMON_T *cli);
+extern int supervisor_init(void);