Add support for hostname suffixHEADmaster

Allows for having a host reachable over different interfaces, such as
e.g. somehost and somehost-wifi.

2 files changed, 15 insertions, 7 deletions

diff --git a/go.mod b/go.mod
index 3540981..ae305c9 100644
--- a/go.mod
+++ b/go.mod
@@ -3,6 +3,6 @@ module netizen.se/hisgle
 go 1.14
 
 require (
-	github.com/mxk/go-sqlite v0.0.0-20140611214908-167da9432e1f
+	github.com/mattn/go-sqlite3 v1.14.17
 	github.com/pborman/getopt v0.0.0-20190409184431-ee0cd42419d3
 )
diff --git a/hisgle.go b/hisgle.go
index de01ce9..ea7a397 100644
--- a/hisgle.go
+++ b/hisgle.go
@@ -10,7 +10,7 @@ import ( "fmt"
 //    _ "code.google.com/p/gosqlite/sqlite3"
 import (
     "database/sql"
-    _ "github.com/mxk/go-sqlite/sqlite3"
+    _ "github.com/mattn/go-sqlite3"
     "github.com/pborman/getopt"
 )
 
@@ -40,26 +40,34 @@ func hosts(db *sql.DB, vlan int) {
     var (
         ipv4 string
         name string
+        suffix *string
         alias string
+        hostpart string
     )
 
     // CREATE TABLE devices (name, mac, interface);
     // CREATE TABLE addresses (mac, vlan, ipv4);
 
-    rows, err := db.Query("SELECT a.ipv4, d.name FROM addresses AS a JOIN " +
-        "devices AS d ON a.mac=d.mac WHERE vlan=?", vlan)
+    rows, err := db.Query("SELECT a.ipv4, d.name, d.suffix " +
+        "FROM addresses AS a JOIN devices AS d ON a.mac=d.mac WHERE vlan=?",
+        vlan)
     if err != nil {
         log.Fatal(err)
     }
     for rows.Next() {
-        err := rows.Scan(&ipv4, &name)
+        err := rows.Scan(&ipv4, &name, &suffix)
         if err != nil {
             log.Fatal(err)
         }
-        fmt.Print(ipv4, "\t", name)
+        if suffix != nil {
+            hostpart = name + "-" + *suffix
+        } else {
+            hostpart = name
+        }
+        fmt.Print(ipv4, "\t", hostpart)
 
         // CREATE TABLE aliases (alias, target);
-        rows, err := db.Query("SELECT alias FROM aliases WHERE target=?", name)
+        rows, err := db.Query("SELECT alias FROM aliases WHERE target=?", hostpart)
         if err != nil {
             log.Fatal(err)
         }