From: Waldemar Kozaczuk <jwkozac...@gmail.com>
Committer: Waldemar Kozaczuk <jwkozac...@gmail.com>
Branch: master
golang: add simple app to verify network and IP enumration works on OSv
Signed-off-by: Waldemar Kozaczuk <jwkozac...@gmail.com>
---
diff --git a/golang-net-iterate/Makefile b/golang-net-iterate/Makefile
--- a/golang-net-iterate/Makefile
+++ b/golang-net-iterate/Makefile
@@ -0,0 +1,9 @@
+.PHONY: module
+module: net_iterate.so
+ echo '/net_iterate.so: $${MODULE_DIR}/net_iterate.so' > usr.manifest
+
+net_iterate.so: net_iterate.go
+ go build -buildmode=pie -ldflags "-linkmode external" -o net_iterate.so
net_iterate.go
+
+clean:
+ rm -f net_iterate*.so usr.manifest
diff --git a/golang-net-iterate/README.md b/golang-net-iterate/README.md
--- a/golang-net-iterate/README.md
+++ b/golang-net-iterate/README.md
@@ -0,0 +1,3 @@
+This is a simple golang app that tests if OSv correctly
+supports enumating network interfaces and IPs using netlink
+interface.
diff --git a/golang-net-iterate/module.py b/golang-net-iterate/module.py
--- a/golang-net-iterate/module.py
+++ b/golang-net-iterate/module.py
@@ -0,0 +1,3 @@
+from osv.modules import api
+
+default = api.run(cmdline="/net_iterate.so")
diff --git a/golang-net-iterate/net_iterate.go
b/golang-net-iterate/net_iterate.go
--- a/golang-net-iterate/net_iterate.go
+++ b/golang-net-iterate/net_iterate.go
@@ -0,0 +1,44 @@
+package main
+
+import (
+ "fmt"
+ "net"
+)
+
+func main() {
+ addrs, err := net.InterfaceAddrs()
+ if err != nil {
+ fmt.Println("Error: %s\n", err);
+ }
+
+ for _, addr := range addrs {
+ fmt.Println("-----------------");
+ fmt.Println("Addr: ", addr.String());
+ var ip net.IP
+ switch v := addr.(type) {
+ case *net.IPNet:
+ ip = v.IP
+ case *net.IPAddr:
+ ip = v.IP
+ }
+ if ip == nil || ip.IsLoopback() || ip.IsUnspecified() {
+ continue
+ }
+ ip = ip.To4()
+ if ip == nil {
+ continue // not an ipv4 address
+ }
+ fmt.Println("IP 4 Addr: ", ip.String());
+ }
+
+ fmt.Println("\n\n Interfaces...")
+ ints, err := net.Interfaces()
+ if err != nil {
+ fmt.Println("Error: %s\n", err);
+ }
+
+ for _, intf := range ints {
+ fmt.Println("-----------------");
+ fmt.Println("Interface: ", intf.Name);
+ }
+}
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