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fixups from code review

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This commit is contained in:
Chelsea Holland Komlo 2018-01-22 18:33:22 -05:00
parent 510a91af53
commit d0184963f9
6 changed files with 63 additions and 28 deletions
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8
src/common/log.c
View File

@ -54,10 +54,10 @@
/** Defining compile-time constants for Tor log levels (used by the Rust
* log wrapper at src/rust/tor_log) */
const int _LOG_WARN = LOG_WARN;
const int _LOG_NOTICE = LOG_NOTICE;
const log_domain_mask_t _LD_GENERAL = LD_GENERAL;
const log_domain_mask_t _LD_NET = LD_NET;
const int LOG_WARN_ = LOG_WARN;
const int LOG_NOTICE_ = LOG_NOTICE;
const log_domain_mask_t LD_GENERAL_ = LD_GENERAL;
const log_domain_mask_t LD_NET_ = LD_NET;
/** Information for a single logfile; only used in log.c */
typedef struct logfile_t {

8
src/common/torlog.h
View File

@ -36,10 +36,10 @@
*
* C_RUST_COUPLED src/rust/tor_log LogSeverity, LogDomain
*/
extern const int _LOG_WARN;
extern const int _LOG_NOTICE;
extern const log_domain_mask_t _LD_NET;
extern const log_domain_mask_t _LD_GENERAL;
extern const int LOG_WARN_;
extern const int LOG_NOTICE_;
extern const log_domain_mask_t LD_NET_;
extern const log_domain_mask_t LD_GENERAL_;
/** Debug-level severity: for hyper-verbose messages of no interest to
* anybody but developers. */

4
src/or/main.c
View File

@ -132,7 +132,7 @@ void evdns_shutdown(int);
#ifdef HAVE_RUST
// helper function defined in Rust to output a log message indicating if tor is
// running with Rust enabled. See src/rust/tor_util
void rust_welcome_string(void);
void rust_log_welcome_string(void);
#endif
/********* PROTOTYPES **********/
@ -3283,7 +3283,7 @@ tor_init(int argc, char *argv[])
}
#ifdef HAVE_RUST
rust_welcome_string();
rust_log_welcome_string();
#endif /* defined(HAVE_RUST) */
if (network_init()<0) {

8
src/rust/protover/protover.rs
View File

@ -243,11 +243,11 @@ fn contains_only_supported_protocols(proto_entry: &str) -> bool {
Err("Too many versions to expand") => {
tor_log_msg!(
LogSeverity::Warn,
LogDomain::LdNet,
LogDomain::Net,
"get_versions",
"When expanding a protocol list from an authority, I
got too many protocols. This is possibly an attack or a bug,
unless the Tor network truly has expanded to support over {}
"When expanding a protocol list from an authority, I \
got too many protocols. This is possibly an attack or a bug, \
unless the Tor network truly has expanded to support over {} \
different subprotocol versions. The offending string was: {}",
MAX_PROTOCOLS_TO_EXPAND,
proto_entry

59
src/rust/tor_log/tor_log.rs
View File

@ -9,8 +9,8 @@
/// general messages can use LdGeneral.
#[derive(Eq, PartialEq)]
pub enum LogDomain {
LdNet,
LdGeneral,
Net,
General,
}
/// The severity level at which to log messages.
@ -98,33 +98,35 @@ pub mod log {
/// C_RUST_COUPLED: src/common/log.c, log domain types
extern "C" {
#[no_mangle]
static _LOG_WARN: c_int;
static _LOG_NOTICE: c_int;
static LOG_WARN_: c_int;
static LOG_NOTICE_: c_int;
}
/// Domain log types. These mirror definitions in /src/common/torlog.h
/// C_RUST_COUPLED: src/common/log.c, log severity types
extern "C" {
#[no_mangle]
static _LD_NET: u32;
static _LD_GENERAL: u32;
static LD_NET_: u32;
static LD_GENERAL_: u32;
}
/// Translate Rust defintions of log domain levels to C. This exposes a 1:1
/// mapping between types.
#[inline]
pub unsafe fn translate_domain(domain: LogDomain) -> u32 {
match domain {
LogDomain::LdNet => _LD_NET,
LogDomain::LdGeneral => _LD_GENERAL,
LogDomain::Net => LD_NET_,
LogDomain::General => LD_GENERAL_,
}
}
/// Translate Rust defintions of log severity levels to C. This exposes a
/// 1:1 mapping between types.
#[inline]
pub unsafe fn translate_severity(severity: LogSeverity) -> c_int {
match severity {
LogSeverity::Warn => _LOG_WARN,
LogSeverity::Notice => _LOG_NOTICE,
LogSeverity::Warn => LOG_WARN_,
LogSeverity::Notice => LOG_NOTICE_,
}
}
@ -194,7 +196,7 @@ mod test {
fn test_macro() {
tor_log_msg!(
LogSeverity::Warn,
LogDomain::LdNet,
LogDomain::Net,
"test_macro",
"test log message {}",
"a",
@ -210,11 +212,12 @@ mod test {
assert_eq!("test log message a", *message);
}
// test multiple inputs into the log message
{
fn test_macro() {
tor_log_msg!(
LogSeverity::Warn,
LogDomain::LdNet,
LogDomain::Net,
"next_test_macro",
"test log message {} {} {} {} {}",
1,
@ -233,5 +236,37 @@ mod test {
let message = unsafe { Box::from_raw(LAST_LOGGED_MESSAGE) };
assert_eq!("test log message 1 2 3 4 5", *message);
}
// test how a long log message will be formatted
{
fn test_macro() {
tor_log_msg!(
LogSeverity::Warn,
LogDomain::Net,
"test_macro",
"{}",
"All the world's a stage, and all the men and women \
merely players: they have their exits and their \
entrances; and one man in his time plays many parts, his \
acts being seven ages."
);
}
test_macro();
let expected_string = "All the world's a \
stage, and all the men \
and women merely players: \
they have their exits and \
their entrances; and one man \
in his time plays many parts, \
his acts being seven ages.";
let function = unsafe { Box::from_raw(LAST_LOGGED_FUNCTION) };
assert_eq!("test_macro", *function);
let message = unsafe { Box::from_raw(LAST_LOGGED_MESSAGE) };
assert_eq!(expected_string, *message);
}
}
}

4
src/rust/tor_util/ffi.rs
View File

@ -16,10 +16,10 @@ use tor_log::{LogSeverity, LogDomain};
/// tor_free(rust_str);
/// ```
#[no_mangle]
pub extern "C" fn rust_welcome_string() {
pub extern "C" fn rust_log_welcome_string() {
tor_log_msg!(
LogSeverity::Notice,
LogDomain::LdGeneral,
LogDomain::General,
"rust_welcome_string",
"Tor is running with Rust integration. Please report \
any bugs you encounter."