snmp: make log function use the generic prototype

and cast

and also remove unneeded mut

and rustfmt

diff --git a/rust/src/snmp/log.rs b/rust/src/snmp/log.rs
index 8320b46a506d8f2e661d0dcba75477c98a6656f0..d9a561b1562f20539cd7e2ce13c9fd3faa8ea8aa 100644 (file)
--- a/rust/src/snmp/log.rs
+++ b/rust/src/snmp/log.rs
@@ -19,10 +19,10 @@
 
 use crate::jsonbuilder::{JsonBuilder, JsonError};
 use crate::snmp::snmp::SNMPTransaction;
-use crate::snmp::snmp_parser::{NetworkAddress,PduType};
+use crate::snmp::snmp_parser::{NetworkAddress, PduType};
 use std::borrow::Cow;
 
-fn str_of_pdu_type(t:&PduType) -> Cow<str> {
+fn str_of_pdu_type(t: &PduType) -> Cow<str> {
     match t {
         &PduType::GetRequest => Cow::Borrowed("get_request"),
         &PduType::GetNextRequest => Cow::Borrowed("get_next_request"),
@@ -37,8 +37,7 @@ fn str_of_pdu_type(t:&PduType) -> Cow<str> {
     }
 }
 
-fn snmp_log_response(jsb: &mut JsonBuilder, tx: &mut SNMPTransaction) -> Result<(), JsonError>
-{
+fn snmp_log_response(jsb: &mut JsonBuilder, tx: &SNMPTransaction) -> Result<(), JsonError> {
     jsb.open_object("snmp")?;
     jsb.set_uint("version", tx.version as u64)?;
     if tx.encrypted {
@@ -53,7 +52,9 @@ fn snmp_log_response(jsb: &mut JsonBuilder, tx: &mut SNMPTransaction) -> Result<
                 jsb.set_string("trap_type", &format!("{:?}", trap_type))?;
                 jsb.set_string("trap_oid", &oid.to_string())?;
                 match address {
-                    NetworkAddress::IPv4(ip) => {jsb.set_string("trap_address", &ip.to_string())?;},
+                    NetworkAddress::IPv4(ip) => {
+                        jsb.set_string("trap_address", &ip.to_string())?;
+                    }
                 }
             }
             if !info.vars.is_empty() {
@@ -77,7 +78,10 @@ fn snmp_log_response(jsb: &mut JsonBuilder, tx: &mut SNMPTransaction) -> Result<
 }
 
 #[no_mangle]
-pub extern "C" fn SCSnmpLogJsonResponse(tx: &mut SNMPTransaction, jsb: &mut JsonBuilder) -> bool
-{
+pub unsafe extern "C" fn SCSnmpLogJsonResponse(
+    tx: *const std::os::raw::c_void, jsb: *mut std::os::raw::c_void,
+) -> bool {
+    let tx = cast_pointer!(tx, SNMPTransaction);
+    let jsb = cast_pointer!(jsb, JsonBuilder);
     snmp_log_response(jsb, tx).is_ok()
 }