small updates to montblanc

Signed-off-by: gabrik <gabriele.baldoni@gmail.com>

Author: gabrik

montblanc/arequipa/arequipa.yml

@@ -1,6 +1,6 @@
 id : Arequipa
 
-uri: file://./target/release/libarequipa.so
+uri: file:///home/ato/Workspace/zenoh-flow-examples/montblanc/target/release/libarequipa.so
 
 inputs:
   - id: Arkansas

montblanc/barcelona/barcelona.yml

@@ -1,5 +1,5 @@
 id : Barcelona
-uri: file://./target/release/libbarcelona.so
+uri: file:///home/ato/Workspace/zenoh-flow-examples/montblanc/target/release/libbarcelona.so
 inputs:
   - id: Mekong
     type: twist-w-coovariance-ts

montblanc/barcelona/src/lib.rs

@@ -17,6 +17,7 @@ use datatypes::{LENA_PORT, MEKONG_PORT};
 use futures::prelude::*;
 use futures::select;
 use zenoh_flow::prelude::*;
+use rand::random;
 
 #[export_operator]
 pub struct Barcelona {
@@ -50,7 +51,7 @@ impl Node for Barcelona {
             msg  = self.input_mekong.recv().fuse() => {
                 if let Ok((Message::Data(inner_data),_)) = msg {
                     let value = data_types::WrenchStamped {
-                        header: Some(inner_data.header.as_ref().ok_or_else(|| zferror!(ErrorKind::Empty))?.clone()),
+                        header: Some(inner_data.header.clone().unwrap_or(random())),
                         wrench: Some(data_types::Wrench {
                             force: inner_data
                                 .twist

montblanc/cordoba/cordoba.yml

@@ -1,6 +1,6 @@
 id : Cordoba
 
-uri: file://./target/release/libcordoba.so
+uri: file:///home/ato/Workspace/zenoh-flow-examples/montblanc/target/release/libcordoba.so
 
 # period:
 #   length: 100

montblanc/datatypes/src/lib.rs

@@ -14,7 +14,7 @@
 
 use prost::Message;
 use rand::distributions::{Alphanumeric, Distribution, Standard};
-use rand::Rng;
+use rand::{Rng, random};
 use std::io::Cursor;
 use std::time::{SystemTime, UNIX_EPOCH};
 use zenoh_flow::prelude::{DowncastAny, ZFData};
@@ -240,7 +240,7 @@ pub fn deserialize_twist_with_covariance(
 impl Distribution<data_types::TwistWithCovarianceStamped> for Standard {
     fn sample<R: Rng + ?Sized>(&self, rng: &mut R) -> data_types::TwistWithCovarianceStamped {
         data_types::TwistWithCovarianceStamped {
-            header: rng.gen(),
+            header: random(),
             twist: rng.gen(),
         }
     }

montblanc/delhi/delhi.yml

@@ -1,6 +1,6 @@
 id : Delhi
 
-uri: file://./target/release/libdelhi.so
+uri: file:///home/ato/Workspace/zenoh-flow-examples/montblanc/target/release/libdelhi.so
 
 # period:
 #   length: 1

montblanc/freeport/freeport.yml

@@ -1,6 +1,6 @@
 id : Freeport
 
-uri: file://./target/release/libfreeport.so
+uri: file:///home/ato/Workspace/zenoh-flow-examples/montblanc/target/release/libfreeport.so
 
 # period:
 #   length: 50

montblanc/geneva/geneva.yml

@@ -1,5 +1,5 @@
 id : Geneva
-uri: file://./target/release/libgeneva.so
+uri: file:///home/ato/Workspace/zenoh-flow-examples/montblanc/target/release/libgeneva.so
 inputs:
   - id: Danube
     type: str

montblanc/georgetown/georgetown.yml

@@ -1,5 +1,5 @@
 id : Georgetown
-uri: file://./target/release/libgeorgetown.so
+uri: file:///home/ato/Workspace/zenoh-flow-examples/montblanc/target/release/libgeorgetown.so
 inputs:
   - id: Lena
     type: wrench-ts

montblanc/hamburg/hamburg.yml

@@ -1,5 +1,5 @@
 id : Hamburg
-uri: file://./target/release/libhamburg.so
+uri: file:///home/ato/Workspace/zenoh-flow-examples/montblanc/target/release/libhamburg.so
 inputs:
   - id: Danube
     type: str