dlt-control: Provision to control entire system log level

    1. support for setting log level using wildcards for both app and context
    2. support for setting entire system log level

Signed-off-by: Manikandan C <Manikandan.Chockalingam@in.bosch.com>
Change-Id: I92f8c5461903f092cd50f05f644013432940a87b

1 files changed, 136 insertions, 25 deletions

diff --git a/src/daemon/dlt_daemon_client.c b/src/daemon/dlt_daemon_client.c
index efd8dae..24be8e4 100644
--- a/src/daemon/dlt_daemon_client.c
+++ b/src/daemon/dlt_daemon_client.c
@@ -563,6 +563,11 @@ int dlt_daemon_client_process_control(int sock, DltDaemon *daemon, DltDaemonLoca
             dlt_daemon_control_message_buffer_overflow(sock, daemon, daemon_local, daemon->overflow_counter,"",verbose);
             break;
         }
+        case DLT_SERVICE_ID_SET_ALL_LOG_LEVEL:
+        {
+            dlt_daemon_control_set_all_log_level(sock, daemon, daemon_local, msg, verbose);
+            break;
+        }
         case DLT_SERVICE_ID_OFFLINE_LOGSTORAGE:
         {
             dlt_daemon_control_service_logstorage(sock, daemon, daemon_local, msg, verbose);
@@ -1524,18 +1529,87 @@ void dlt_daemon_control_callsw_cinjection(int sock, DltDaemon *daemon, DltDaemon
     }
 }
 
-void dlt_daemon_control_set_log_level(int sock, DltDaemon *daemon, DltDaemonLocal *daemon_local, DltMessage *msg, int verbose)
+void dlt_daemon_send_log_level(int sock, DltDaemon *daemon, DltDaemonLocal *daemon_local, DltDaemonContext *context,int8_t loglevel, int verbose)
 {
     PRINT_FUNCTION_VERBOSE(verbose);
 
-    char apid[DLT_ID_SIZE],ctid[DLT_ID_SIZE];
-    DltServiceSetLogLevel *req;
-    DltDaemonContext *context;
-    int32_t id=DLT_SERVICE_ID_SET_LOG_LEVEL;
+    int32_t id = DLT_SERVICE_ID_SET_LOG_LEVEL;
+    int8_t old_log_level = 0;
 
-	int8_t old_log_level;
+    old_log_level = context->log_level;
+    context->log_level = loglevel; /* No endianess conversion necessary*/
 
-    if ((daemon==0) || (msg==0))
+    if ((context->user_handle >= DLT_FD_MINIMUM) &&
+            (dlt_daemon_user_send_log_level(daemon, context, verbose)==0))
+    {
+        dlt_daemon_control_service_response(sock, daemon, daemon_local, id, DLT_SERVICE_RESPONSE_OK, verbose);
+    }
+    else
+    {
+        dlt_log(LOG_ERR, "Log level could not be sent!\n");
+        context->log_level = old_log_level;
+        dlt_daemon_control_service_response(sock, daemon, daemon_local, id, DLT_SERVICE_RESPONSE_ERROR, verbose);
+    }
+
+}
+
+void dlt_daemon_find_multiple_context_and_send(int sock, DltDaemon *daemon, DltDaemonLocal *daemon_local, int8_t app_flag, char *str, int8_t len, int8_t loglevel, int verbose)
+{
+    PRINT_FUNCTION_VERBOSE(verbose);
+
+    int8_t count = 0;
+    DltDaemonContext *context = NULL;
+    char src_str[DLT_ID_SIZE +1] = {0};
+    int8_t ret = 0;
+
+    if (daemon == 0)
+    {
+        return;
+    }
+
+    for (count = 0; count < daemon->num_contexts; count++)
+    {
+        context = &(daemon->contexts[count]);
+
+        if (context)
+        {
+            if (app_flag == 1)
+            {
+                strncpy(src_str, context->apid, DLT_ID_SIZE);
+            }
+            else
+            {
+                strncpy(src_str, context->ctid, DLT_ID_SIZE);
+            }
+            ret = strncmp(src_str, str, len);
+            if (ret == 0)
+            {
+                dlt_daemon_send_log_level(sock, daemon, daemon_local, context, loglevel, verbose);
+            }
+            else if ((ret > 0) && (app_flag == 1))
+            {
+                break;
+            }
+            else
+            {
+                continue;
+            }
+        }
+    }
+}
+
+void dlt_daemon_control_set_log_level(int sock, DltDaemon *daemon, DltDaemonLocal *daemon_local, DltMessage *msg, int verbose)
+{
+    PRINT_FUNCTION_VERBOSE(verbose);
+
+    char apid[DLT_ID_SIZE+1] = {0};
+    char ctid[DLT_ID_SIZE+1] = {0};
+    DltServiceSetLogLevel *req = NULL;
+    DltDaemonContext *context = NULL;
+    int8_t appid_length = 0;
+    int8_t ctxtid_length = 0;
+
+    if ((daemon == 0) || (msg == 0))
     {
         return;
     }
@@ -1544,32 +1618,39 @@ void dlt_daemon_control_set_log_level(int sock, DltDaemon *daemon, DltDaemonLoca
 
     dlt_set_id(apid, req->apid);
     dlt_set_id(ctid, req->ctid);
-
-    context=dlt_daemon_context_find(daemon, apid, ctid, verbose);
-
-    /* Set log level */
-    if (context!=0)
+    appid_length = strlen(apid);
+    ctxtid_length = strlen(ctid);
+    if ((appid_length != 0) && (apid[appid_length-1] == '*') && (ctid[0] == 0)) /*appid provided having '*' in it and ctid is null*/
+    {
+        dlt_daemon_find_multiple_context_and_send(sock, daemon, daemon_local, 1, apid, appid_length-1, req->log_level, verbose);
+    }
+    else if ((ctxtid_length != 0) && (ctid[ctxtid_length-1] == '*') && (apid[0] == 0)) /*ctid provided is having '*' in it and appid is null*/
     {
-        old_log_level = context->log_level;
-        context->log_level = req->log_level; /* No endianess conversion necessary*/
+        dlt_daemon_find_multiple_context_and_send(sock, daemon, daemon_local, 0, ctid, ctxtid_length-1, req->log_level, verbose);
+    }
+    else if ((appid_length != 0) && (apid[appid_length-1] != '*') && (ctid[0] == 0)) /*only app id case*/
+    {
+        dlt_daemon_find_multiple_context_and_send(sock, daemon, daemon_local, 1, apid, DLT_ID_SIZE, req->log_level, verbose);
+    }
+    else if ((ctxtid_length != 0) && (ctid[ctxtid_length-1] != '*') && (apid[0] == 0)) /*only context id case*/
+    {
+        dlt_daemon_find_multiple_context_and_send(sock, daemon, daemon_local, 0, ctid, DLT_ID_SIZE, req->log_level, verbose);
+    }
+    else
+    {
+        context=dlt_daemon_context_find(daemon, apid, ctid, verbose);
 
-        if ((context->user_handle >= DLT_FD_MINIMUM) &&
-                (dlt_daemon_user_send_log_level(daemon, context, verbose)==0))
+        /* Set log level */
+        if (context!=0)
         {
-            dlt_daemon_control_service_response(sock, daemon, daemon_local, id, DLT_SERVICE_RESPONSE_OK,  verbose);
+            dlt_daemon_send_log_level(sock, daemon, daemon_local, context, req->log_level, verbose);
         }
         else
         {
-            //dlt_log(LOG_ERR, "Log level could not be sent!\n");
-            context->log_level = old_log_level;
-            dlt_daemon_control_service_response(sock, daemon, daemon_local, id, DLT_SERVICE_RESPONSE_ERROR,  verbose);
+            dlt_log(LOG_ERR, "Context not found!\n");
+            dlt_daemon_control_service_response(sock, daemon, daemon_local, DLT_SERVICE_ID_SET_LOG_LEVEL, DLT_SERVICE_RESPONSE_ERROR, verbose);
         }
     }
-    else
-    {
-        //dlt_log(LOG_ERR, "Context not found!\n");
-        dlt_daemon_control_service_response(sock, daemon, daemon_local, id, DLT_SERVICE_RESPONSE_ERROR,  verbose);
-    }
 }
 
 void dlt_daemon_control_set_trace_status(int sock, DltDaemon *daemon, DltDaemonLocal *daemon_local, DltMessage *msg, int verbose)
@@ -1651,6 +1732,36 @@ void dlt_daemon_control_set_default_log_level(int sock, DltDaemon *daemon, DltDa
     }
 }
 
+void dlt_daemon_control_set_all_log_level(int sock, DltDaemon *daemon, DltDaemonLocal *daemon_local, DltMessage *msg, int verbose)
+{
+    PRINT_FUNCTION_VERBOSE(verbose);
+
+    DltServiceSetDefaultLogLevel *req = NULL;
+    int32_t id = DLT_SERVICE_ID_SET_ALL_LOG_LEVEL;
+    int8_t loglevel = 0;
+
+    if ((daemon==0) || (msg==0))
+    {
+        return;
+    }
+
+    req = (DltServiceSetDefaultLogLevel*) (msg->databuffer);
+
+    /* No endianess conversion necessary */
+    if ((req != NULL) && (req->log_level <= DLT_LOG_VERBOSE))
+    {
+        loglevel = req->log_level; /* No endianess conversion necessary */
+        /* Send Update to all contexts using the new log level */
+        dlt_daemon_user_send_all_update(daemon, loglevel, verbose);
+
+        dlt_daemon_control_service_response(sock, daemon, daemon_local, id, DLT_SERVICE_RESPONSE_OK, verbose);
+    }
+    else
+    {
+        dlt_daemon_control_service_response(sock, daemon, daemon_local, id, DLT_SERVICE_RESPONSE_ERROR, verbose);
+    }
+}
+
 void dlt_daemon_control_set_default_trace_status(int sock, DltDaemon *daemon, DltDaemonLocal *daemon_local, DltMessage *msg, int verbose)
 {
     PRINT_FUNCTION_VERBOSE(verbose);