ladishd: set env vars for use in commandlines

daemon/app_supervisor.c

@@ -57,6 +57,7 @@ struct ladish_app_supervisor
   char * name;
   char * opath;
   char * dir;
+  char * project_name;
   uint64_t version;
   uint64_t next_id;
   struct list_head applist;
@@ -99,6 +100,7 @@ ladish_app_supervisor_create(
   }
 
   supervisor_ptr->dir = NULL;
+  supervisor_ptr->project_name = NULL;
 
   supervisor_ptr->version = 0;
   supervisor_ptr->next_id = 1;
@@ -342,11 +344,11 @@ bool ladish_app_supervisor_clear(ladish_app_supervisor_handle supervisor_handle)
   struct ladish_app * app_ptr;
   bool lifeless;
 
-  if (supervisor_ptr->dir != NULL)
-  {
-    free(supervisor_ptr->dir);
-    supervisor_ptr->dir = NULL;
-  }
+  free(supervisor_ptr->dir);
+  supervisor_ptr->dir = NULL;
+
+  free(supervisor_ptr->project_name);
+  supervisor_ptr->project_name = NULL;
 
   lifeless = true;
 
@@ -403,6 +405,33 @@ ladish_app_supervisor_set_directory(
   return true;
 }
 
+bool
+ladish_app_supervisor_set_project_name(
+  ladish_app_supervisor_handle supervisor_handle,
+  const char * project_name)
+{
+  char * dup;
+
+  if (project_name != NULL)
+  {
+    dup = strdup(project_name);
+    if (dup == NULL)
+    {
+      log_error("strdup(\"%s\") failed", project_name);
+      return false;
+    }
+
+    if (supervisor_ptr->project_name != NULL)
+    {
+      free(supervisor_ptr->project_name);
+    }
+  }
+
+  supervisor_ptr->project_name = dup;
+
+  return true;
+}
+
 bool ladish_app_supervisor_child_exit(ladish_app_supervisor_handle supervisor_handle, pid_t pid)
 {
   struct list_head * node_ptr;
@@ -480,6 +509,7 @@ bool ladish_app_supervisor_start_app(ladish_app_supervisor_handle supervisor_han
 
   if (!loader_execute(
         supervisor_ptr->name,
+        supervisor_ptr->project_name,
         app_ptr->name,
         supervisor_ptr->dir != NULL ? supervisor_ptr->dir : "/",
         app_ptr->terminal,

daemon/app_supervisor.h

@@ -115,6 +115,7 @@ ladish_app_supervisor_destroy(
  * Set the directory where apps will be started. If never called, apps will be started in the root directory ("/")
  *
  * @param[in] supervisor_handle supervisor object handle
+ * @param[in] dir directory where apps will be started
  *
  * @return success status
  */
@@ -123,6 +124,19 @@ ladish_app_supervisor_set_directory(
   ladish_app_supervisor_handle supervisor_handle,
   const char * dir);
 
+/**
+ * Set/reset the project name
+ *
+ * @param[in] supervisor_handle supervisor object handle
+ * @param[in] poject_name project name. NULL means that there is no project name.
+ *
+ * @return success status
+ */
+bool
+ladish_app_supervisor_set_project_name(
+  ladish_app_supervisor_handle supervisor_handle,
+  const char * project_name);
+
 /**
  * Mark that app has quit
  *

daemon/cmd_load_studio.c

@@ -944,6 +944,11 @@ static bool run(void * command_context)
 
   ladish_recent_store_use_item(g_studios_recent_store, g_studio.name);
 
+  if (!ladish_app_supervisor_set_project_name(ladish_studio_get_studio_app_supervisor(), g_studio.name))
+  {
+    ladish_app_supervisor_set_project_name(ladish_studio_get_studio_app_supervisor(), NULL);
+  }
+
   ladish_studio_announce();
 
   cmd_ptr->command.state = LADISH_COMMAND_STATE_DONE;

daemon/loader.c

@@ -49,6 +49,7 @@ struct loader_child
 
   char * vgraph_name;
   char * app_name;
+  char * project_name;
 
   bool dead;
   pid_t pid;
@@ -139,6 +140,7 @@ loader_childs_bury(void)
 
       list_del(&child_ptr->siblings);
 
+      free(child_ptr->project_name);
       free(child_ptr->vgraph_name);
       free(child_ptr->app_name);
 
@@ -262,6 +264,7 @@ loader_exec_program(
   const char * working_dir,
   bool run_in_terminal,
   const char * vgraph_name,
+  const char * project_name,
   const char * app_name)
 {
   const char * argv[8];
@@ -284,6 +287,14 @@ loader_exec_program(
     log_error("Could not change directory to working dir '%s' for program '%s': %s", working_dir, argv[0], strerror(errno));
   }
 
+  setenv("LADISH_APP_NAME", app_name, true);
+  setenv("LADISH_VGRAPH_NAME", vgraph_name, true);
+
+  if (project_name != NULL)
+  {
+    setenv("LADISH_PROJECT_NAME", project_name, true);
+  }
+
   i = 0;
 
   if (run_in_terminal)
@@ -475,6 +486,7 @@ loader_run(void)
 bool
 loader_execute(
   const char * vgraph_name,
+  const char * project_name,
   const char * app_name,
   const char * working_dir,
   bool run_in_terminal,
@@ -499,11 +511,25 @@ loader_execute(
     goto free_struct;
   }
 
+  if (project_name != NULL)
+  {
+    child_ptr->project_name = strdup(app_name);
+    if (child_ptr->project_name == NULL)
+    {
+      log_error("strdup() failed to duplicate project name '%s'", project_name);
+      goto free_vgraph_name;
+    }
+  }
+  else
+  {
+    child_ptr->project_name = NULL;
+  }
+
   child_ptr->app_name = strdup(app_name);
   if (child_ptr->app_name == NULL)
   {
     log_error("strdup() failed to duplicate app name '%s'", app_name);
-    goto free_vgraph_name;
+    goto free_project_name;
   }
 
   child_ptr->dead = false;
@@ -576,7 +602,7 @@ loader_execute(
 
     putenv("LD_PRELOAD=libalsapid.so");
 
-    loader_exec_program(commandline, working_dir, run_in_terminal, vgraph_name, app_name);
+    loader_exec_program(commandline, working_dir, run_in_terminal, vgraph_name, project_name, app_name);
 
     return false;  /* We should never get here */
   }
@@ -601,6 +627,9 @@ loader_execute(
 
   return true;
 
+free_project_name:
+  free(child_ptr->project_name);
+
 free_vgraph_name:
   free(child_ptr->vgraph_name);
 

daemon/loader.h

@@ -2,7 +2,7 @@
 /*
  * LADI Session Handler (ladish)
  *
- * Copyright (C) 2009 Nedko Arnaudov <nedko@arnaudov.name>
+ * Copyright (C) 2009, 2010 Nedko Arnaudov <nedko@arnaudov.name>
  *
  **************************************************************************
  * This file contains interface to the code that starts programs
@@ -31,6 +31,7 @@ void loader_init(void (* on_child_exit)(pid_t pid));
 
 bool
 loader_execute(
+  const char * vgraph_name,
   const char * project_name,
   const char * app_name,
   const char * working_dir,

daemon/room_load.c

@@ -752,6 +752,11 @@ bool ladish_room_load_project(ladish_room_handle room_handle, const char * proje
   /* ladish_graph_dump(room_ptr->graph); */
 
   ladish_app_supervisor_set_directory(room_ptr->app_supervisor, project_dir);
+  if (!ladish_app_supervisor_set_project_name(room_ptr->app_supervisor, room_ptr->project_name))
+  {
+    ladish_app_supervisor_set_project_name(room_ptr->app_supervisor, NULL);
+  }
+
   ladish_graph_trick_dicts(room_ptr->graph);
   ladish_try_connect_hidden_connections(room_ptr->graph);
   ladish_app_supervisor_autorun(room_ptr->app_supervisor);