From ae55187a685aa2583d0679c493920d7c657f74a1 Mon Sep 17 00:00:00 2001
From: Norman Feske <norman.feske@genode-labs.com>
Date: Tue, 5 Jun 2018 16:37:52 +0200
Subject: [PATCH] sculpt: increase ram-fs caps on demand

---
 repos/gems/src/app/sculpt_manager/main.cc     | 23 ++++++++++++++-----
 .../app/sculpt_manager/model/ram_fs_state.h   |  6 +++--
 .../src/app/sculpt_manager/runtime/ram_fs.cc  |  2 +-
 repos/gems/src/app/sculpt_manager/storage.h   |  3 ++-
 4 files changed, 24 insertions(+), 10 deletions(-)

diff --git a/repos/gems/src/app/sculpt_manager/main.cc b/repos/gems/src/app/sculpt_manager/main.cc
index 3b91d301c..ba741b840 100644
--- a/repos/gems/src/app/sculpt_manager/main.cc
+++ b/repos/gems/src/app/sculpt_manager/main.cc
@@ -581,13 +581,23 @@ void Sculpt::Main::_handle_runtime_state()
 	/* upgrade ram_fs quota on demand */
 	state.for_each_sub_node("child", [&] (Xml_node child) {
 
-		if (child.attribute_value("name", String<16>()) == "ram_fs"
-		 && child.has_sub_node("ram")
-		 && child.sub_node("ram").has_attribute("requested")) {
+		if (child.attribute_value("name", String<16>()) == "ram_fs")  {
 
-			_storage._ram_fs_state.ram_quota.value *= 2;
-			reconfigure_runtime = true;
-			generate_dialog();
+			if (child.has_sub_node("ram")
+			 && child.sub_node("ram").has_attribute("requested")) {
+
+				_storage._ram_fs_state.ram_quota.value *= 2;
+				reconfigure_runtime = true;
+				generate_dialog();
+			}
+
+			if (child.has_sub_node("caps")
+			 && child.sub_node("caps").has_attribute("requested")) {
+
+				_storage._ram_fs_state.cap_quota.value += 100;
+				reconfigure_runtime = true;
+				generate_dialog();
+			}
 		}
 	});
 
@@ -622,6 +632,7 @@ void Sculpt::Main::_generate_runtime_config(Xml_generator &xml) const
 		xml.attribute("init_ram",   "yes");
 		xml.attribute("init_caps",  "yes");
 		xml.attribute("child_ram",  "yes");
+		xml.attribute("child_caps", "yes");
 		xml.attribute("delay_ms",   4*500);
 		xml.attribute("buffer",     "64K");
 	});
diff --git a/repos/gems/src/app/sculpt_manager/model/ram_fs_state.h b/repos/gems/src/app/sculpt_manager/model/ram_fs_state.h
index 5a1c8f349..695d6061d 100644
--- a/repos/gems/src/app/sculpt_manager/model/ram_fs_state.h
+++ b/repos/gems/src/app/sculpt_manager/model/ram_fs_state.h
@@ -24,9 +24,11 @@ namespace Sculpt { struct Ram_fs_state; }
 
 struct Sculpt::Ram_fs_state : Noncopyable
 {
-	static Ram_quota initial_ram() { return Ram_quota{1024*1024}; }
+	static Ram_quota initial_ram_quota() { return Ram_quota{1024*1024}; }
+	static Cap_quota initial_cap_quota() { return Cap_quota{300}; }
 
-	Ram_quota ram_quota = initial_ram();
+	Ram_quota ram_quota = initial_ram_quota();
+	Cap_quota cap_quota = initial_cap_quota();
 
 	struct Version { unsigned value; } version { 0 };
 
diff --git a/repos/gems/src/app/sculpt_manager/runtime/ram_fs.cc b/repos/gems/src/app/sculpt_manager/runtime/ram_fs.cc
index fb7767614..7aa0553f9 100644
--- a/repos/gems/src/app/sculpt_manager/runtime/ram_fs.cc
+++ b/repos/gems/src/app/sculpt_manager/runtime/ram_fs.cc
@@ -18,7 +18,7 @@ void Sculpt::gen_ram_fs_start_content(Xml_generator &xml,
 {
 	xml.attribute("version", state.version.value);
 
-	gen_common_start_content(xml, "ram_fs", Cap_quota{300}, state.ram_quota);
+	gen_common_start_content(xml, "ram_fs", state.cap_quota, state.ram_quota);
 
 	gen_provides<::File_system::Session>(xml);
 
diff --git a/repos/gems/src/app/sculpt_manager/storage.h b/repos/gems/src/app/sculpt_manager/storage.h
index f05193f59..64c0c7aa8 100644
--- a/repos/gems/src/app/sculpt_manager/storage.h
+++ b/repos/gems/src/app/sculpt_manager/storage.h
@@ -182,7 +182,8 @@ struct Sculpt::Storage : Storage_dialog::Action
 
 	void reset_ram_fs() override
 	{
-		_ram_fs_state.ram_quota = Ram_fs_state::initial_ram();
+		_ram_fs_state.ram_quota = Ram_fs_state::initial_ram_quota();
+		_ram_fs_state.cap_quota = Ram_fs_state::initial_cap_quota();
 		_ram_fs_state.version.value++;
 
 		dialog.reset_operation();