Fix command parser

Command parser could have been crashing if a wrong core/task was
used in pkt_size command. For some other commands both an error
and a warning were printed in case of errors.

Change-Id: I6648bfca1b5bcde3c6393d49687ed84900326d49
Signed-off-by: Xavier Simonart <xavier.simonart@intel.com>

diff --git a/VNFs/DPPD-PROX/cmd_parser.c b/VNFs/DPPD-PROX/cmd_parser.c
index f61fbe4..18a4f5f 100644 (file)
--- a/VNFs/DPPD-PROX/cmd_parser.c
+++ b/VNFs/DPPD-PROX/cmd_parser.c
@@ -401,10 +401,10 @@ static int parse_cmd_set_probability(const char *str, struct input *input)
                        lcore_id = lcores[i];
                        if ((!task_is_mode_and_submode(lcore_id, task_id, "impair", "")) && (!task_is_mode_and_submode(lcore_id, task_id, "impair", "l3"))){
                                plog_err("Core %u task %u is not impairing packets\n", lcore_id, task_id);
-                               return -1;
+                       } else {
+                               struct task_base *tbase = lcore_cfg[lcore_id].tasks_all[task_id];
+                               task_impair_set_proba(tbase, probability);
                        }
-                       struct task_base *tbase = lcore_cfg[lcore_id].tasks_all[task_id];
-                       task_impair_set_proba(tbase, probability);
                }
        }
        return 0;
@@ -426,10 +426,10 @@ static int parse_cmd_delay_us(const char *str, struct input *input)
                        lcore_id = lcores[i];
                        if ((!task_is_mode_and_submode(lcore_id, task_id, "impair", "")) && (!task_is_mode_and_submode(lcore_id, task_id, "impair", "l3"))){
                                plog_err("Core %u task %u is not impairing packets\n", lcore_id, task_id);
-                               return -1;
+                       } else {
+                               struct task_base *tbase = lcore_cfg[lcore_id].tasks_all[task_id];
+                               task_impair_set_delay_us(tbase, delay_us, 0);
                        }
-                       struct task_base *tbase = lcore_cfg[lcore_id].tasks_all[task_id];
-                       task_impair_set_delay_us(tbase, delay_us, 0);
                }
        }
        return 0;
@@ -451,10 +451,10 @@ static int parse_cmd_random_delay_us(const char *str, struct input *input)
                        lcore_id = lcores[i];
                        if ((!task_is_mode_and_submode(lcore_id, task_id, "impair", "")) && (!task_is_mode_and_submode(lcore_id, task_id, "impair", "l3"))){
                                plog_err("Core %u task %u is not impairing packets\n", lcore_id, task_id);
-                               return -1;
+                       } else {
+                               struct task_base *tbase = lcore_cfg[lcore_id].tasks_all[task_id];
+                               task_impair_set_delay_us(tbase, 0, delay_us);
                        }
-                       struct task_base *tbase = lcore_cfg[lcore_id].tasks_all[task_id];
-                       task_impair_set_delay_us(tbase, 0, delay_us);
                }
        }
        return 0;
@@ -513,11 +513,10 @@ static int parse_cmd_pkt_size(const char *str, struct input *input)
                        lcore_id = lcores[i];
                        if ((!task_is_mode_and_submode(lcore_id, task_id, "gen", "")) && (!task_is_mode_and_submode(lcore_id, task_id, "gen", "l3"))) {
                                plog_err("Core %u task %u is not generating packets\n", lcore_id, task_id);
+                       } else {
+                               struct task_base *tbase = lcore_cfg[lcore_id].tasks_all[task_id];
+                               task_gen_set_pkt_size(tbase, pkt_size); /* error printed within function */
                        }
-                       struct task_base *tbase = lcore_cfg[lcore_id].tasks_all[task_id];
-
-                       if (task_gen_set_pkt_size(tbase, pkt_size) != 0)
-                               return -1;
                }
        }
        return 0;