set up ctrl thread log scopes; ditch ctrl -> user log stuff, just make each log site in control of exporting to a separate file

src/ctrl/ctrl_core.c

@@ -851,6 +851,14 @@ ctrl_init(void)
   ctrl_state->c2u_ring_base = push_array_no_zero(arena, U8, ctrl_state->c2u_ring_size);
   ctrl_state->c2u_ring_mutex = os_mutex_alloc();
   ctrl_state->c2u_ring_cv = os_condition_variable_alloc();
+  {
+    Temp scratch = scratch_begin(0, 0);
+    String8 user_program_data_path = os_string_from_system_path(scratch.arena, OS_SystemPath_UserProgramData);
+    String8 user_data_folder = push_str8f(scratch.arena, "%S/raddbg/logs", user_program_data_path);
+    os_make_directory(user_data_folder);
+    ctrl_state->ctrl_thread_log_path = push_str8f(ctrl_state->arena, "%S/ctrl_thread.raddbg_log", user_data_folder);
+    scratch_end(scratch);
+  }
   ctrl_state->ctrl_thread_entity_store = ctrl_entity_store_alloc();
   ctrl_state->dmn_event_arena = arena_alloc();
   ctrl_state->user_entry_point_arena = arena_alloc();
@@ -1745,6 +1753,7 @@ ctrl_thread__entry_point(void *p)
   for(;;)
   {
     temp_end(scratch);
+    log_scope_begin();
     
     //- rjf: get next messages
     CTRL_MsgList msgs = ctrl_u2c_pop_msgs(scratch.arena);
@@ -1783,6 +1792,9 @@ ctrl_thread__entry_point(void *p)
         }
       }
     }
+    
+    String8 log = log_scope_end(scratch.arena);
+    ctrl_thread__flush_log(log);
   }
   
   scratch_end(scratch);
@@ -1941,14 +1953,7 @@ ctrl_thread__next_dmn_event(Arena *arena, DMN_CtrlCtx *ctrl_ctx, CTRL_Msg *msg,
         log_msgf("string:         \"%S\"\n",   ev->string);
         log_msgf("ip_vaddr:       0x%I64x\n",  ev->instruction_pointer);
         String8 log = log_scope_end(scratch.arena);
-        if(log.size != 0)
-        {
-          CTRL_EventList evts = {0};
-          CTRL_Event *evt = ctrl_event_list_push(scratch.arena, &evts);
-          evt->kind = CTRL_EventKind_Log;
-          evt->string = log;
-          ctrl_c2u_push_events(&evts);
-        }
+        ctrl_thread__flush_log(log);
       }
       
       // rjf: determine if we should filter
@@ -2288,6 +2293,17 @@ ctrl_eval_memory_read(void *u, void *out, U64 addr, U64 size)
   return result;
 }
 
+//- rjf: log flusher
+
+internal void
+ctrl_thread__flush_log(String8 string)
+{
+  if(string.size != 0)
+  {
+    os_append_data_to_file_path(ctrl_state->ctrl_thread_log_path, string);
+  }
+}
+
 //- rjf: msg kind implementations
 
 internal void

src/ctrl/ctrl_core.h

@@ -302,9 +302,6 @@ typedef enum CTRL_EventKind
   CTRL_EventKind_MemDecommit,
   CTRL_EventKind_MemRelease,
   
-  //- rjf: log
-  CTRL_EventKind_Log,
-  
   CTRL_EventKind_COUNT
 }
 CTRL_EventKind;
@@ -517,6 +514,7 @@ struct CTRL_State
   OS_Handle c2u_ring_cv;
   
   // rjf: ctrl thread state
+  String8 ctrl_thread_log_path;
   OS_Handle ctrl_thread;
   Log *ctrl_thread_log;
   CTRL_EntityStore *ctrl_thread_entity_store;
@@ -712,6 +710,9 @@ internal DMN_Event *ctrl_thread__next_dmn_event(Arena *arena, DMN_CtrlCtx *ctrl_
 //- rjf: eval helpers
 internal B32 ctrl_eval_memory_read(void *u, void *out, U64 addr, U64 size);
 
+//- rjf: log flusher
+internal void ctrl_thread__flush_log(String8 string);
+
 //- rjf: msg kind implementations
 internal void ctrl_thread__launch(DMN_CtrlCtx *ctrl_ctx, CTRL_Msg *msg);
 internal void ctrl_thread__attach(DMN_CtrlCtx *ctrl_ctx, CTRL_Msg *msg);

src/os/core/os_core.c

@@ -113,6 +113,21 @@ os_write_data_list_to_file_path(String8 path, String8List list)
   return good;
 }
 
+internal B32
+os_append_data_to_file_path(String8 path, String8 data)
+{
+  B32 good = 0;
+  OS_Handle file = os_file_open(OS_AccessFlag_Write, path);
+  if(!os_handle_match(file, os_handle_zero()))
+  {
+    good = 1;
+    U64 pos = os_properties_from_file(file).size;
+    os_file_write(file, r1u64(pos, pos+data.size), data.str);
+    os_file_close(file);
+  }
+  return good;
+}
+
 internal OS_FileID
 os_id_from_file_path(String8 path)
 {

src/os/core/os_core.h

@@ -171,6 +171,7 @@ internal String8List os_string_list_from_argcv(Arena *arena, int argc, char **ar
 internal String8        os_data_from_file_path(Arena *arena, String8 path);
 internal B32            os_write_data_to_file_path(String8 path, String8 data);
 internal B32            os_write_data_list_to_file_path(String8 path, String8List list);
+internal B32            os_append_data_to_file_path(String8 path, String8 data);
 internal OS_FileID      os_id_from_file_path(String8 path);
 internal S64            os_file_id_compare(OS_FileID a, OS_FileID b);
 internal String8        os_string_from_file_range(Arena *arena, OS_Handle file, Rng1U64 range);