swaglog: add daemon name to context (commaai#23518)

* cleanup first

* add daemon name

* add test

* fix

* daemon name

selfdrive/common/swaglog.cc

@@ -35,10 +35,6 @@ LogState::~LogState() {
 
 static LogState s = {};
 
-static void cloudlog_bind_locked(const char* k, const char* v) {
-  s.ctx_j[k] = v;
-}
-
 static void cloudlog_init() {
   if (s.inited) return;
   s.ctx_j = json11::Json::object {};
@@ -65,18 +61,22 @@ static void cloudlog_init() {
   // openpilot bindings
   char* dongle_id = getenv("DONGLE_ID");
   if (dongle_id) {
-    cloudlog_bind_locked("dongle_id", dongle_id);
+    s.ctx_j["dongle_id"] = dongle_id;
   }
-  cloudlog_bind_locked("version", COMMA_VERSION);
+  char* daemon_name = getenv("MANAGER_DAEMON");
+  if (daemon_name) {
+    s.ctx_j["daemon"] = daemon_name;
+  }
+  s.ctx_j["version"] = COMMA_VERSION;
   s.ctx_j["dirty"] = !getenv("CLEAN");
 
   // device type
   if (Hardware::EON()) {
-    cloudlog_bind_locked("device", "eon");
+    s.ctx_j["device"] =  "eon";
   } else if (Hardware::TICI()) {
-    cloudlog_bind_locked("device", "tici");
+    s.ctx_j["device"] =  "tici";
   } else {
-    cloudlog_bind_locked("device", "pc");
+    s.ctx_j["device"] =  "pc";
   }
 
   s.inited = true;
@@ -116,9 +116,3 @@ void cloudlog_e(int levelnum, const char* filename, int lineno, const char* func
   log(levelnum, filename, lineno, func, msg_buf, log_s);
   free(msg_buf);
 }
-
-void cloudlog_bind(const char* k, const char* v) {
-  std::lock_guard lk(s.lock);
-  cloudlog_init();
-  cloudlog_bind_locked(k, v);
-}

selfdrive/common/swaglog.h

@@ -11,8 +11,6 @@
 void cloudlog_e(int levelnum, const char* filename, int lineno, const char* func,
                 const char* fmt, ...) /*__attribute__ ((format (printf, 6, 7)))*/;
 
-void cloudlog_bind(const char* k, const char* v);
-
 #define cloudlog(lvl, fmt, ...) cloudlog_e(lvl, __FILE__, __LINE__, \
                                            __func__, \
                                            fmt, ## __VA_ARGS__)

selfdrive/common/tests/test_swaglog.cc

@@ -10,6 +10,7 @@
 #include "selfdrive/hardware/hw.h"
 
 const char *SWAGLOG_ADDR = "ipc:///tmp/logmessage";
+std::string daemon_name = "testy";
 std::string dongle_id = "test_dongle_id";
 
 void log_thread(int msg, int msg_cnt) {
@@ -43,9 +44,10 @@ void recv_log(void *zctx, int thread_cnt, int thread_msg_cnt) {
     REQUIRE(msg["levelnum"].int_value() == CLOUDLOG_DEBUG);
     REQUIRE_THAT(msg["filename"].string_value(), Catch::Contains("test_swaglog.cc"));
     REQUIRE(msg["funcname"].string_value() == "log_thread");
-    REQUIRE(msg["lineno"].int_value() == 17);
+    REQUIRE(msg["lineno"].int_value() == 18);  // TODO: do this automatically
 
     auto ctx = msg["ctx"];
+    REQUIRE(ctx["daemon"].string_value() == daemon_name);
     REQUIRE(ctx["dongle_id"].string_value() == dongle_id);
     REQUIRE(ctx["version"].string_value() == COMMA_VERSION);
     REQUIRE(ctx["dirty"].bool_value() == true);
@@ -68,6 +70,7 @@ void recv_log(void *zctx, int thread_cnt, int thread_msg_cnt) {
 }
 
 TEST_CASE("swaglog") {
+  setenv("MANAGER_DAEMON", daemon_name.c_str(), 1);
   setenv("DONGLE_ID", dongle_id.c_str(), 1);
   setenv("dirty", "1", 1);
   const int thread_cnt = 5;

selfdrive/manager/process.py

@@ -48,7 +48,9 @@ def launcher(proc: str, name: str) -> None:
     raise
 
 
-def nativelauncher(pargs: List[str], cwd: str) -> None:
+def nativelauncher(pargs: List[str], cwd: str, name: str) -> None:
+  os.environ['MANAGER_DAEMON'] = name
+
   # exec the process
   os.chdir(cwd)
   os.execvp(pargs[0], pargs)
@@ -203,7 +205,7 @@ def start(self) -> None:
 
     cwd = os.path.join(BASEDIR, self.cwd)
     cloudlog.info(f"starting process {self.name}")
-    self.proc = Process(name=self.name, target=nativelauncher, args=(self.cmdline, cwd))
+    self.proc = Process(name=self.name, target=nativelauncher, args=(self.cmdline, cwd, self.name))
     self.proc.start()
     self.watchdog_seen = False
     self.shutting_down = False