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-rw-r--r--.vscode/settings.json3
-rw-r--r--README.md4
m---------afb-helpers0
m---------app-controller0
m---------conf.d/app-templates0
-rw-r--r--conf.d/project/etc/xds-supervisor-config.json9
-rw-r--r--src/plugins/supervisor-api.c193
-rw-r--r--src/plugins/supervisor.c52
-rw-r--r--src/plugins/supervisor.h3
9 files changed, 188 insertions, 76 deletions
diff --git a/.vscode/settings.json b/.vscode/settings.json
index d41869a..83f14b0 100644
--- a/.vscode/settings.json
+++ b/.vscode/settings.json
@@ -57,7 +57,8 @@
"supervisor-api.h": "c",
"string_view": "c",
"initializer_list": "c",
- "valarray": "c"
+ "valarray": "c",
+ "collectd.h": "c"
},
// Words to add to dictionary for a workspace.
"cSpell.words": [
diff --git a/README.md b/README.md
index 8e3613a..ba9645b 100644
--- a/README.md
+++ b/README.md
@@ -91,8 +91,8 @@ cd $ROOT_DIR/agl-services-mockup && start_agl_mockup.sh 1
# ... at this point script stop and wait user...
# In another shell, execute following commands to request monitoring of can_emul and gps_emul sockets
-afb-client-demo 'localhost:5678/api?token=HELLO&uuid=c' xds trace '{"ws":"can_emul"}'
-afb-client-demo 'localhost:5678/api?token=HELLO&uuid=c' xds trace '{"ws":"gps_emul"}'
+afb-client-demo 'localhost:5678/api?token=HELLO&uuid=c' xds trace/start '{"ws":"can_emul"}'
+afb-client-demo 'localhost:5678/api?token=HELLO&uuid=c' xds trace/start '{"ws":"gps_emul"}'
# Press any key in 1 shell to continue start_agl_mockup.sh script
diff --git a/afb-helpers b/afb-helpers
-Subproject c7cd527a8350f736b8013f65db6f5a52b8cb05d
+Subproject 9a1f7ea8029ff518d81ed7f13000a7c0bddcca5
diff --git a/app-controller b/app-controller
-Subproject 4a723022410de1a72b03a4901537af4e0d27397
+Subproject 78cdd6c4096744ffb0f3168475bf1df5992c68f
diff --git a/conf.d/app-templates b/conf.d/app-templates
-Subproject e400fb3543217ccd4e2b2a67b018bc947f09bd2
+Subproject 66f7bc88bfc7a17e1ef277c4f7293f95f6ec8b6
diff --git a/conf.d/project/etc/xds-supervisor-config.json b/conf.d/project/etc/xds-supervisor-config.json
index 39309bb..654b4b2 100644
--- a/conf.d/project/etc/xds-supervisor-config.json
+++ b/conf.d/project/etc/xds-supervisor-config.json
@@ -24,9 +24,14 @@
"action": "plugin://supervisor#list"
},
{
- "uid": "trace",
+ "uid": "trace/start",
"privileges": "urn:AGL:permission::platform:can:trace ",
- "action": "plugin://supervisor#trace"
+ "action": "plugin://supervisor#trace_start"
+ },
+ {
+ "uid": "trace/stop",
+ "privileges": "urn:AGL:permission::platform:can:trace ",
+ "action": "plugin://supervisor#trace_stop"
}
],
diff --git a/src/plugins/supervisor-api.c b/src/plugins/supervisor-api.c
index c21cd8d..bfe448c 100644
--- a/src/plugins/supervisor-api.c
+++ b/src/plugins/supervisor-api.c
@@ -27,6 +27,20 @@
#include "supervisor.h"
#include "wrap-json.h"
+// TODO: replace by a chained list of DAEMON_T*
+static int TracePidsNum = 0;
+static int* TracePidsArr = NULL;
+
+#define TRACE_DAEMON(src, nb, dd, lvl, res) \
+ { \
+ nb++; \
+ json_object_array_add(res, json_object_new_int(dd->pid)); \
+ if ((rc = trace_daemon(src->api, dd, lvl)) < 0) { \
+ AFB_ReqFailF(src->request, "failed", "Trace pid %d error %d", dd->pid, rc); \
+ goto error; \
+ } \
+ }
+
CTLP_CAPI_REGISTER("supervisor");
CTLP_ONLOAD(plugin, ret)
@@ -41,7 +55,7 @@ CTLP_CAPI(list, source, argsJ, eventJ)
getDaemons(source->api, &daemons);
if (daemons == NULL) {
- AFB_ApiError(source->api, "failed");
+ AFB_ReqFail(source->request, "Failed", "Error daemon list null");
return ERROR;
}
@@ -66,7 +80,7 @@ CTLP_CAPI(list, source, argsJ, eventJ)
return 0;
}
-CTLP_CAPI(trace, source, argsJ, queryJ)
+CTLP_CAPI(trace_start, source, argsJ, queryJ)
{
int rc;
json_object* result = NULL;
@@ -74,72 +88,167 @@ CTLP_CAPI(trace, source, argsJ, queryJ)
const char* ws_name = "";
const char* level = NULL;
pid_t pid = -1;
+ json_object* j_pids = NULL;
+ int nb_traced_daemons = 0;
- if (wrap_json_unpack(queryJ, "{s:?i s:?s s:?s}",
- "pid", &pid, "ws", &ws_name, "level", &level)) {
+ // User can ask to trace either
+ // a specific pid or an array of pids or a specific ws name
+ if (wrap_json_unpack(queryJ, "{s:?i s:?o s:?s s:?s s:?s}",
+ "pid", &pid, "pids", &j_pids, "ws", &ws_name, "level", &level)) {
AFB_ReqFail(source->request, "Failed", "Error processing arguments.");
return ERROR;
}
- if (pid == -1 && strlen(ws_name) == 0) {
- AFB_ReqFail(source->request, "failed", "one of pid or ws parameter must be set");
+ if (pid == -1 && j_pids == NULL && strlen(ws_name) == 0) {
+ AFB_ReqFail(source->request, "failed", "one of pid or pids or ws parameter must be set");
+ return ERROR;
+ }
+
+ if (TracePidsNum > 0) {
+ AFB_ReqFail(source->request, "failed", "already tracing");
return ERROR;
}
- AFB_ApiDebug(source->api, "Trace pid: %d ws: %s", pid, ws_name);
+ AFB_ApiDebug(source->api, "Trace ws=%s, pid=%d, pids=%s", ws_name, pid, json_object_to_json_string(j_pids));
+
+ if (j_pids != NULL && json_object_is_type(j_pids, json_type_array)) {
+ TracePidsNum = (int)json_object_array_length(j_pids);
+ TracePidsArr = malloc(sizeof(int) * TracePidsNum);
+ if (TracePidsArr == NULL) {
+ AFB_ReqFail(source->request, "failed", "out of memory");
+ goto error;
+ }
+ int i = 0;
+ while (i < TracePidsNum) {
+ json_object* j_ppid = json_object_array_get_idx(j_pids, i);
+ TracePidsArr[i++] = json_object_get_int(j_ppid);
+ }
+ }
getDaemons(source->api, &daemons);
if (daemons == NULL || daemons->count <= 0) {
AFB_ReqFail(source->request, "failed", "No daemon found");
- return ERROR;
+ goto error;
}
- // search server and client pid
- DAEMON_T *pid_s = NULL, *pid_c = NULL;
+ // search which daemons should be traced
const char* wsn;
+ nb_traced_daemons = 0;
+ result = json_object_new_array();
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;
+ if (pid != -1 && pid == daemons->daemons[i]->pid) {
+ // Trace a specific pid
+ TRACE_DAEMON(source, nb_traced_daemons, daemons->daemons[i], level, result);
+ TracePidsNum = 1;
+ TracePidsArr = malloc(sizeof(int) * TracePidsNum);
+ if (TracePidsArr == NULL) {
+ AFB_ReqFail(source->request, "failed", "out of memory");
+ goto error;
}
- }
+ TracePidsArr[0] = daemons->daemons[i]->pid;
+ 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;
+ } else if (j_pids != NULL) {
+ // Trace from a list of pids
+ for (int j = 0; j < TracePidsNum; j++) {
+ if (TracePidsArr[j] == daemons->daemons[i]->pid) {
+ TRACE_DAEMON(source, nb_traced_daemons, daemons->daemons[i], level, result);
+ }
+ }
+ } else if (ws_name != NULL) {
+ // Trace based on WS name
+ 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) {
+ TRACE_DAEMON(source, nb_traced_daemons, daemons->daemons[i], level, result);
+
+ TracePidsNum++;
+ int* tmpPtr = realloc(TracePidsArr, sizeof(int) * TracePidsNum);
+ if (tmpPtr == NULL) {
+ AFB_ReqFail(source->request, "failed", "out of memory");
+ goto error;
+ }
+ TracePidsArr = tmpPtr;
+ TracePidsArr[TracePidsNum - 1] = daemons->daemons[i]->pid;
+ break;
+ }
}
- }
- if (pid_s != NULL && pid_c != NULL) {
- if ((rc = trace_exchange(source->api, pid_s, pid_c, level)) < 0) {
- AFB_ReqFailF(source->request, "failed", "Trace error %d", rc);
+ 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) {
+ TRACE_DAEMON(source, nb_traced_daemons, daemons->daemons[i], level, result);
+
+ TracePidsNum++;
+ int* tmpPtr = realloc(TracePidsArr, sizeof(int) * TracePidsNum);
+ if (tmpPtr == NULL) {
+ AFB_ReqFail(source->request, "failed", "out of memory");
+ goto error;
+ }
+ TracePidsArr = tmpPtr;
+ TracePidsArr[TracePidsNum - 1] = daemons->daemons[i]->pid;
+ break;
+ }
}
- break;
}
}
- if (pid_s == NULL || pid_c == NULL) {
- AFB_ReqFail(source->request, "failed", "Cannot determine Server or Client");
+ if (nb_traced_daemons == 0) {
+ AFB_ReqFail(source->request, "failed", "No daemon found match criteria");
+ goto error;
+ }
+
+ AFB_ReqSuccess(source->request, result, "Trace successfully started");
+
+ return 0;
+
+error:
+ if (TracePidsNum > 0)
+ free(TracePidsArr);
+ TracePidsNum = 0;
+ TracePidsArr = NULL;
+ return ERROR;
+}
+
+CTLP_CAPI(trace_stop, source, argsJ, queryJ)
+{
+ int rc, nbErr = 0;
+ json_object* result = NULL;
+
+ if (TracePidsNum == 0) {
+ AFB_ReqFail(source->request, "failed", "Trace already stopped");
return ERROR;
}
- AFB_ReqSuccessF(source->request, result, "Tracing Server pid=%d <-> Client pid=%d", pid_s->pid, pid_c->pid);
+ for (int j = 0; j < TracePidsNum; j++) {
+ rc = trace_drop(source->api, TracePidsArr[j]);
+ if (rc < 0) {
+ // FIMXE - return list of error messages
+ nbErr++;
+ }
+ }
+ if (TracePidsNum > 0)
+ free(TracePidsArr);
+ TracePidsNum = 0;
+ TracePidsArr = NULL;
+
+ if (nbErr) {
+ AFB_ReqFailF(source->request, "failed", "Error while stopping tracing (%d)", nbErr);
+ return ERROR;
+ }
+ AFB_ReqSuccess(source->request, result, "Trace successfully stopped");
return 0;
}
+#if 0 // Not used, implemented in lua for now (see xds-supervisor.lua / _trace_events_)
uint64_t get_ts()
{
struct timespec ts;
@@ -153,7 +262,6 @@ static void cb_harvester_write(void* closure, int status, struct json_object* re
AFB_ApiDebug(dynapi, "SEB cb_harvester_write");
}
-/* SEB Cleanup if move in lua */
static int harvester_post_data(CtlSourceT* source, METRIC_T* metric)
{
int rc;
@@ -177,19 +285,19 @@ static int harvester_post_data(CtlSourceT* source, METRIC_T* metric)
"values", "value", metric->data,
"timestamp", metric->timestamp);
} else {
- AFB_ApiError(source->api, "Unsupported dataType");
+ AFB_ReqFail(source->request, "Failed", "Unsupported dataType");
return ERROR;
}
if (rc < 0) {
- AFB_ApiError(source->api, "Error packing metric, rc=%d", rc);
+ AFB_ReqFail(source->request, "Failed", "Error packing metric, rc=%d", rc);
return rc;
}
rc = wrap_json_pack(&j_query, "{s:s s:i s:o }", "host",
"localhost", "port", 8086, "metric", j_metric);
if (rc < 0) {
- AFB_ApiError(source->api, "Error packing query, rc=%d", rc);
+ AFB_ReqFail(source->request, "Failed", "Error packing query, rc=%d", rc);
return rc;
}
@@ -199,7 +307,7 @@ static int harvester_post_data(CtlSourceT* source, METRIC_T* metric)
/* SEB
rc = AFB_ServiceSync(source->api, SRV_HARVESTER_NAME, "write", j_query, &j_res);
if (rc < 0) {
- AFB_ApiError(source->api, "Error %s write : rc=%d, j_res=%s", SRV_HARVESTER_NAME, rc,
+ AFB_ReqFail(source->request, "Failed", "Error %s write : rc=%d, j_res=%s", SRV_HARVESTER_NAME, rc,
json_object_to_json_string(j_res));
return rc;
}
@@ -221,22 +329,22 @@ CTLP_CAPI(tracing_events, source, argsJ, eventJ)
AFB_ApiDebug(source->api, ">>> RECV Event uid %s : %s", source->uid,
json_object_to_json_string(eventJ));
- if (strcmp(source->uid, "supervisor/trace") != 0) {
+ if (strcmp(source->uid, "xds/supervisor/trace") != 0) {
AFB_ApiNotice(source->api, "WARNING: un-handle uid '%s'", source->uid);
return 0;
}
if ((rc = wrap_json_unpack(eventJ, "{s:?s}", "type", &type)) < 0) {
- AFB_ApiError(source->api, "Cannot decode event type");
+ AFB_ReqFail(source->request, "Failed", "Cannot decode event type");
return ERROR;
}
if (strcmp(type, "request") != 0) {
- AFB_ApiError(source->api, "Cannot retrieve request");
+ AFB_ReqFail(source->request, "Failed", "Cannot retrieve request");
return ERROR;
}
if (!json_object_object_get_ex(eventJ, "request", &request)) {
- AFB_ApiError(source->api, "Cannot decode event request");
+ AFB_ReqFail(source->request, "Failed", "Cannot decode event request");
return ERROR;
}
@@ -253,9 +361,10 @@ CTLP_CAPI(tracing_events, source, argsJ, eventJ)
rc = harvester_post_data(source, &metric);
if (rc < 0) {
- AFB_ApiError(source->api, "ERROR harvester_post_data: rc %d", rc);
+ AFB_ReqFail(source->request, "Failed", "ERROR harvester_post_data: rc %d", rc);
return rc;
}
return 0;
}
+#endif
diff --git a/src/plugins/supervisor.c b/src/plugins/supervisor.c
index e3c71c0..598ba68 100644
--- a/src/plugins/supervisor.c
+++ b/src/plugins/supervisor.c
@@ -123,6 +123,14 @@ static void decode_daemons_cb(void* closure, json_object* obj, const char* fName
if (json_object_object_get_ex(j_response, "response", &j_config) && json_object_object_get_ex(j_config, "apis", &j_apis)) {
// Don't forward monitor config details
json_object_object_del(j_apis, "monitor");
+
+ // Only forward apis verb without all details
+ /* TODO
+ j_newApis = json_object_new_object();
+ json_object_object_foreach(json_object_object_get(j_apis, "apis"), key, val) {
+ ...
+ }
+ */
daemon->apis = j_apis;
}
}
@@ -171,34 +179,26 @@ int getDaemons(AFB_ApiT apiHandle, DAEMONS_T** daemons)
#define XDS_TAG_EVENT "xds:trace/event"
#define XDS_TRACE_NAME "xds-trace"
-int trace_exchange(AFB_ApiT apiHandle, DAEMON_T* svr, DAEMON_T* cli, const char* level)
+int trace_daemon(AFB_ApiT apiHandle, DAEMON_T* dm, const char* level)
{
int rc;
json_object *j_response, *j_query, *j_tracereq, *j_traceevt;
- if (svr == NULL || cli == NULL) {
+ if (dm == NULL) {
return -1;
}
// First drop previous traces
- // monitor/trace({ "drop": { "tag": "trace/request" } })
// Note: ignored error (expected 1st time/when no trace exist)
- wrap_json_pack(&j_query, "{s:i s:{s:[s s]}}", "pid", svr->pid,
- "drop", "tag", XDS_TAG_REQUEST, XDS_TAG_EVENT);
- AFB_ServiceSync(apiHandle, SRV_SUPERVISOR_NAME, "trace", j_query, &j_response);
-
- wrap_json_pack(&j_query, "{s:i s:{s:[s s]}}", "pid", cli->pid,
- "drop", "tag", XDS_TAG_REQUEST, XDS_TAG_EVENT);
- AFB_ServiceSync(apiHandle, SRV_SUPERVISOR_NAME, "trace", j_query, &j_response);
+ trace_drop(apiHandle, dm->pid);
j_tracereq = json_object_new_array();
if (level && !strncmp(level, "all", 3)) {
json_object_array_add(j_tracereq, json_object_new_string("all"));
} else {
json_object_array_add(j_tracereq, json_object_new_string("life"));
- json_object_array_add(j_tracereq, json_object_new_string("result"));
+ json_object_array_add(j_tracereq, json_object_new_string("reply"));
}
- json_object_get(j_tracereq); // because use 2 times to configure both server and client
j_traceevt = json_object_new_array();
if (level && !strncmp(level, "all", 3)) {
@@ -206,35 +206,31 @@ int trace_exchange(AFB_ApiT apiHandle, DAEMON_T* svr, DAEMON_T* cli, const char*
} else {
json_object_array_add(j_traceevt, json_object_new_string("common"));
}
- json_object_get(j_traceevt); // because use 2 times to configure both server and client
- // Configure trace for server daemon
+ // Configure tracing of specified daemon
// request: monitor/trace({ "add": { "tag": "xds:trace/request", "name": "trace", "request": "all" } })
wrap_json_pack(&j_query, "{s:i, s: [{s:s s:s s:o}, {s:s s:s s:o}] }",
- "pid", svr->pid, "add",
+ "pid", dm->pid, "add",
"tag", XDS_TAG_REQUEST, "name", XDS_TRACE_NAME, "request", j_tracereq,
"tag", XDS_TAG_EVENT, "name", XDS_TRACE_NAME, "event", j_traceevt);
if ((rc = AFB_ServiceSync(apiHandle, SRV_SUPERVISOR_NAME, "trace", j_query, &j_response)) < 0) {
- AFB_ApiError(apiHandle, "ERROR trace %d result: %s", svr->pid,
+ AFB_ApiError(apiHandle, "ERROR tracing pid %d result: %s", dm->pid,
json_object_to_json_string(j_response));
return rc;
}
- // Configure trace for client daemon(s)
- // request: monitor/trace({ "pid": 1234, "add": { "event": "all" } })
- wrap_json_pack(&j_query, "{s:i, s: [{s:s s:s s:o}, {s:s s:s s:o}] }",
- "pid", cli->pid, "add",
- "tag", XDS_TAG_REQUEST, "name", XDS_TRACE_NAME, "request", j_tracereq,
- "tag", XDS_TAG_EVENT, "name", XDS_TRACE_NAME, "event", j_traceevt);
+ return 0;
+}
- 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;
- }
+// FIXME prototype must be int trace_drop(AFB_ApiT apiHandle, DAEMON_T* dm)
+int trace_drop(AFB_ApiT apiHandle, int pid)
+{
+ json_object *j_response, *j_query;
- return 0;
+ // monitor/trace({ "drop": { "tag": "trace/request" } })
+ wrap_json_pack(&j_query, "{s:i s:{s:[s s]}}", "pid", pid, "drop", "tag", XDS_TAG_REQUEST, XDS_TAG_EVENT);
+ return AFB_ServiceSync(apiHandle, SRV_SUPERVISOR_NAME, "trace", j_query, &j_response);
}
int supervisor_init(void)
diff --git a/src/plugins/supervisor.h b/src/plugins/supervisor.h
index 6d33151..a7779ce 100644
--- a/src/plugins/supervisor.h
+++ b/src/plugins/supervisor.h
@@ -49,5 +49,6 @@ typedef struct daemons_result_
extern int getDaemons(AFB_ApiT apiHandle, DAEMONS_T **daemons);
-extern int trace_exchange(AFB_ApiT apiHandle, DAEMON_T *svr, DAEMON_T *cli, const char *level);
+extern int trace_daemon(AFB_ApiT apiHandle, DAEMON_T *dm, const char *level);
+extern int trace_drop(AFB_ApiT apiHandle, int pid);
extern int supervisor_init(void);