parent
76cd788479
commit
1bbd54c9b7
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@ -14,10 +14,9 @@
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/* Genode includes */
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/* Genode includes */
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#include <file_system_session/rpc_object.h>
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#include <file_system_session/rpc_object.h>
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#include <root/component.h>
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#include <root/component.h>
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#include <cap_session/connection.h>
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#include <base/sleep.h>
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#include <os/attached_rom_dataspace.h>
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#include <os/attached_rom_dataspace.h>
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#include <os/config.h>
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#include <os/config.h>
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#include <os/server.h>
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#include <os/session_policy.h>
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#include <os/session_policy.h>
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#include <util/xml_node.h>
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#include <util/xml_node.h>
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@ -36,11 +35,12 @@ namespace File_system {
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{
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{
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private:
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private:
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Server::Entrypoint &_ep;
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Directory &_root;
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Directory &_root;
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Node_handle_registry _handle_registry;
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Node_handle_registry _handle_registry;
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bool _writable;
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bool _writable;
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Signal_dispatcher<Session_component> _process_packet_dispatcher;
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Signal_rpc_member<Session_component> _process_packet_dispatcher;
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/******************************
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/******************************
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@ -147,22 +147,23 @@ namespace File_system {
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/**
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/**
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* Constructor
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* Constructor
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*/
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*/
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Session_component(size_t tx_buf_size, Rpc_entrypoint &ep,
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Session_component(size_t tx_buf_size, Server::Entrypoint &ep,
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Signal_receiver &sig_rec,
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Directory &root, bool writable)
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Directory &root, bool writable)
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:
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:
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Session_rpc_object(env()->ram_session()->alloc(tx_buf_size), ep),
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Session_rpc_object(env()->ram_session()->alloc(tx_buf_size), ep.rpc_ep()),
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_ep(ep),
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_root(root),
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_root(root),
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_writable(writable),
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_writable(writable),
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_process_packet_dispatcher(sig_rec, *this,
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_process_packet_dispatcher(*this, &Session_component::_process_packets)
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&Session_component::_process_packets)
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{
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{
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/*
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/*
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* Register '_process_packets' dispatch function as signal
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* Register '_process_packets' dispatch function as signal
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* handler for packet-avail and ready-to-ack signals.
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* handler for packet-avail and ready-to-ack signals.
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*/
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*/
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_tx.sigh_packet_avail(_process_packet_dispatcher);
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Signal_context_capability sigh(_ep.manage(_process_packet_dispatcher));
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_tx.sigh_ready_to_ack(_process_packet_dispatcher);
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_tx.sigh_packet_avail(sigh);
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_tx.sigh_ready_to_ack(sigh);
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}
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}
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/**
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/**
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@ -170,6 +171,7 @@ namespace File_system {
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*/
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*/
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~Session_component()
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~Session_component()
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{
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{
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_ep.dissolve(_process_packet_dispatcher);
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Dataspace_capability ds = tx_sink()->dataspace();
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Dataspace_capability ds = tx_sink()->dataspace();
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env()->ram_session()->free(static_cap_cast<Ram_dataspace>(ds));
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env()->ram_session()->free(static_cap_cast<Ram_dataspace>(ds));
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}
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}
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@ -416,9 +418,8 @@ namespace File_system {
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{
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{
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private:
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private:
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Rpc_entrypoint &_channel_ep;
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Server::Entrypoint &_ep;
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Signal_receiver &_sig_rec;
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Directory &_root_dir;
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Directory &_root_dir;
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protected:
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protected:
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@ -497,8 +498,7 @@ namespace File_system {
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throw Root::Quota_exceeded();
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throw Root::Quota_exceeded();
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}
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}
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return new (md_alloc())
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return new (md_alloc())
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Session_component(tx_buf_size, _channel_ep, _sig_rec,
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Session_component(tx_buf_size, _ep, *session_root_dir, writeable);
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*session_root_dir, writeable);
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}
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}
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public:
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public:
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@ -506,19 +506,20 @@ namespace File_system {
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/**
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/**
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* Constructor
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* Constructor
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*
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*
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* \param session_ep session entrypoint
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* \param ep entrypoint
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* \param sig_rec signal receiver used for handling the
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* \param md_alloc meta-data allocator
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* data-flow signals of packet streams
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* \param root_dir root-directory handle (anchor for fs)
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* \param md_alloc meta-data allocator
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*/
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*/
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Root(Rpc_entrypoint &session_ep, Allocator &md_alloc,
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Root(Server::Entrypoint &ep, Allocator &md_alloc, Directory &root_dir)
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Signal_receiver &sig_rec, Directory &root_dir)
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:
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:
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Root_component<Session_component>(&session_ep, &md_alloc),
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Root_component<Session_component>(&ep.rpc_ep(), &md_alloc),
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_channel_ep(session_ep), _sig_rec(sig_rec), _root_dir(root_dir)
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_ep(ep),
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_root_dir(root_dir)
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{ }
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{ }
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};
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};
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};
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struct Main;
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}
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/**
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/**
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@ -620,31 +621,36 @@ static void preload_content(Genode::Allocator &alloc,
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}
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}
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int main(int, char **)
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struct File_system::Main
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{
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{
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using namespace File_system;
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Server::Entrypoint &ep;
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enum { STACK_SIZE = 8192 };
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Directory root_dir = { "" };
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static Cap_connection cap;
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static Rpc_entrypoint ep(&cap, STACK_SIZE, "ram_fs_ep");
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static Sliced_heap sliced_heap(env()->ram_session(), env()->rm_session());
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static Signal_receiver sig_rec;
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static Directory root_dir("");
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/* preload RAM file system with content as declared in the config */
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/*
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try {
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* Initialize root interface
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Xml_node content = config()->xml_node().sub_node("content");
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*/
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preload_content(*env()->heap(), content, root_dir); }
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Sliced_heap sliced_heap = { env()->ram_session(), env()->rm_session() };
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catch (Xml_node::Nonexistent_sub_node) { }
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static File_system::Root root(ep, sliced_heap, sig_rec, root_dir);
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Root fs_root = { ep, sliced_heap, root_dir };
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env()->parent()->announce(ep.manage(&root));
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Main(Server::Entrypoint &ep) : ep(ep)
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{
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/* preload RAM file system with content as declared in the config */
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try {
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Xml_node content = config()->xml_node().sub_node("content");
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preload_content(*env()->heap(), content, root_dir); }
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catch (Xml_node::Nonexistent_sub_node) { }
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for (;;) {
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env()->parent()->announce(ep.manage(fs_root));
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Signal s = sig_rec.wait_for_signal();
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static_cast<Signal_dispatcher_base *>(s.context())->dispatch(s.num());
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}
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}
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};
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return 0;
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}
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/**********************
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** Server framework **
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**********************/
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char const * Server::name() { return "ram_fs_ep"; }
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Genode::size_t Server::stack_size() { return 2048 * sizeof(long); }
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void Server::construct(Server::Entrypoint &ep) { static File_system::Main inst(ep); }
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TARGET = ram_fs
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TARGET = ram_fs
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SRC_CC = main.cc
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SRC_CC = main.cc
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LIBS = base config
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LIBS = base config server
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INC_DIR += $(PRG_DIR)
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INC_DIR += $(PRG_DIR)
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