prepare of tn input collection

mems/examples/ds-common/src/lib.rs

 pub mod dyn_topo;
 pub mod dyn_topo;
 pub mod static_topo;
 pub mod static_topo;
+pub mod tn_input;
 
 
 pub const STATIC_TOPO_DF_NAME: &str = "static_topo";
 pub const STATIC_TOPO_DF_NAME: &str = "static_topo";
 pub const TERMINAL_DF_NAME: &str = "terminal_cn_dev";
 pub const TERMINAL_DF_NAME: &str = "terminal_cn_dev";

mems/examples/ds-common/src/tn_input.rs

+use std::collections::HashMap;
+
+use csv::StringRecordsIter;
+
+use mems::model::dev::MeasPhase;
+
+pub fn read_shunt_measures(records: &mut StringRecordsIter<&[u8]>)
+                           -> Result<HashMap<u64, (u64, MeasPhase)>, String> {
+    let mut meas = HashMap::new();
+    // 按行读取csv
+    let mut row = 0;
+    loop {
+        match records.next() {
+            Some(Ok(record)) => {
+                let mut col = 0;
+                let mut point = 0u64;
+                let mut terminal = 0u64;
+                for str in record.iter() {
+                    if col == 0 {
+                        if let Ok(id) = str.parse() {
+                            point = id;
+                        } else {
+                            return Err(format!("Wrong terminal input, row {row} col {col}"));
+                        }
+                    } else if col == 1 {
+                        if let Ok(id) = str.parse() {
+                            terminal = id;
+                        } else {
+                            return Err(format!("Wrong terminal input, row {row} col {col}"));
+                        }
+                    } else if col == 2 {
+                        meas.insert(point, (terminal, MeasPhase::from(str)));
+                    }
+                    col += 1;
+                    if col == 3 {
+                        break;
+                    }
+                }
+                if col != 3 {
+                    return Err(format!("Wrong terminal input, expected col at least 3, actual {col}"));
+                }
+            }
+            Some(Err(e)) => {
+                return Err(format!("Wrong terminal input, err: {:?}", e));
+            }
+            None => {
+                break;
+            }
+        }
+        row += 1;
+    }
+    Ok(meas)
+}
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