Fix/examples (#3)

* fix(examples): add plugin_get_required_api_version()

Signed-off-by: Leonardo Grasso <me@leonardograsso.com>

* fix(examples/async): make RegisterAsyncExtractors work again

Signed-off-by: Leonardo Grasso <me@leonardograsso.com>

Author: leogr

examples/async/async.go

@@ -74,6 +74,11 @@ func plugin_get_description() *C.char {
 	return C.CString(PluginDescription)
 }
 
+// export plugin_get_required_api_version
+func plugin_get_required_api_version() *C.char {
+	return C.CString("1.0.0")
+}
+
 //export plugin_get_fields
 func plugin_get_fields() *C.char {
 	log.Printf("[%s] plugin_get_fields\n", PluginName)
@@ -96,10 +101,14 @@ func plugin_extract_str(pluginState unsafe.Pointer, evtnum uint64, id uint32, ar
 	return (*byte)(unsafe.Pointer(C.CString("ciao")))
 }
 
+//export plugin_extract_u64
+func plugin_extract_u64(plgState unsafe.Pointer, evtnum uint64, id uint32, arg *byte, data *byte, datalen uint32, fieldPresent *uint32) uint64 {
+	return 11
+}
+
 //export plugin_register_async_extractor
 func plugin_register_async_extractor(pluginState unsafe.Pointer, asyncExtractorInfo unsafe.Pointer) int32 {
-	log.Printf("[%s] plugin_register_async_extractor\n", PluginName)
-	return sinsp.RegisterAsyncExtractors(pluginState, asyncExtractorInfo, plugin_extract_str)
+	return sinsp.RegisterAsyncExtractors(pluginState, asyncExtractorInfo, plugin_extract_str, plugin_extract_u64)
 }
 
 func main() {}

examples/batch/batch.go

@@ -86,6 +86,11 @@ func plugin_get_description() *C.char {
 	return C.CString(PluginDescription)
 }
 
+// export plugin_get_required_api_version
+func plugin_get_required_api_version() *C.char {
+	return C.CString("1.0.0")
+}
+
 //export plugin_get_fields
 func plugin_get_fields() *C.char {
 	log.Printf("[%s] plugin_get_fields\n", PluginName)

examples/dummy/dummy.go

@@ -86,6 +86,11 @@ func plugin_get_description() *C.char {
 	return C.CString(PluginDescription)
 }
 
+// export plugin_get_required_api_version
+func plugin_get_required_api_version() *C.char {
+	return C.CString("1.0.0")
+}
+
 //export plugin_get_fields
 func plugin_get_fields() *C.char {
 	log.Printf("[%s] plugin_get_fields\n", PluginName)