Remove noux from SSH exec terminal
This patch replaces the former Noux instance by a sub init that hosts the combination of VFS + fs_rom + bash. If bash exits, the whole sub init exits, which implicitly tears down the terminal session used by the sub init. The latter is expected by the test sequence. Issue #3696
This commit is contained in:
Norman Feske
parent
11fb122ae5
commit
8e6fcf107e
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@ -16,30 +16,33 @@ if {[have_spec linux]} {
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source ${genode_dir}/repos/base/run/platform_drv.inc
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append_platform_drv_build_components
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lappend build_components test/exec_terminal
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build $build_components
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create_boot_directory
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import_from_depot [depot_user]/src/[base_src]
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import_from_depot [depot_user]/src/bash
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import_from_depot [depot_user]/src/coreutils-minimal
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import_from_depot [depot_user]/src/exec_terminal
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import_from_depot [depot_user]/src/init
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import_from_depot [depot_user]/src/ipxe_nic_drv
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import_from_depot [depot_user]/src/libc
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import_from_depot [depot_user]/src/libcrypto
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import_from_depot [depot_user]/src/libssh
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import_from_depot [depot_user]/src/noux
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import_from_depot [depot_user]/src/platform_drv
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import_from_depot [depot_user]/src/posix
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import_from_depot [depot_user]/src/ram_fs
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import_from_depot [depot_user]/src/rtc_drv
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import_from_depot [depot_user]/src/ssh_terminal
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import_from_depot [depot_user]/src/vfs
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import_from_depot [depot_user]/src/vfs_jitterentropy
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import_from_depot [depot_user]/src/vfs_lxip
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import_from_depot [depot_user]/src/vim-minimal
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import_from_depot [depot_user]/src/zlib
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import_from_depot [depot_user]/src/[base_src] \
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[depot_user]/src/bash \
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[depot_user]/src/coreutils-minimal \
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[depot_user]/src/exec_terminal \
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[depot_user]/src/init \
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[depot_user]/src/ipxe_nic_drv \
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[depot_user]/src/libc \
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[depot_user]/src/libcrypto \
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[depot_user]/src/libssh \
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[depot_user]/src/noux \
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[depot_user]/src/platform_drv \
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[depot_user]/src/posix \
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[depot_user]/src/ram_fs \
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[depot_user]/src/fs_rom \
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[depot_user]/src/rtc_drv \
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[depot_user]/src/ssh_terminal \
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[depot_user]/src/vfs \
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[depot_user]/src/vfs_jitterentropy \
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[depot_user]/src/vfs_lxip \
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[depot_user]/src/vim-minimal \
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[depot_user]/src/zlib
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#
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# Generate config
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@ -103,7 +106,7 @@ set config {
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<config port="22" allow_password="yes" show_password="yes" ed25519_key="/etc/ssh/ed25519_key">
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<policy label="dynamic -> noux -> " user="noux" password="xuon" multi_login="yes" request_terminal="yes"/>
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<policy label_prefix="dynamic" user="noux" password="xuon" multi_login="yes" request_terminal="yes"/>
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<policy label_prefix="always-running-noux" user="charlie" password="xuon"/>
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<libc stdout="/dev/log" stderr="/dev/log" socket="/socket" rtc="/dev/rtc"/>
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@ -141,7 +144,7 @@ set config {
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<service name="Report"/>
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<service name="ROM"/>
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</provides>
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<config>
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<config verbose="no">
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<policy label="exec_terminal -> exec_terminal.config" report="ssh_terminal -> request_terminal"/>
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<policy label="dynamic -> config" report="exec_terminal -> config"/>
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</config>
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@ -170,7 +173,7 @@ set config {
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<start name="dynamic" caps="1000">
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<binary name="init"/>
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<resource name="RAM" quantum="32M"/>
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<resource name="RAM" quantum="80M"/>
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<route>
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<service name="File_system"> <child name="ram_fs"/> </service>
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<service name="ROM" label="config"> <child name="report_rom"/> </service>
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@ -204,8 +207,6 @@ set config {
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<route>
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<service name="File_system"> <child name="ram_fs"/> </service>
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<service name="ROM" label="config"> <child name="report_rom"/> </service>
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<service name="ROM" label_last="coreutils-minimal.tar"> <parent label="coreutils-minimal.tar"/> </service>
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<service name="ROM" label_last="vim-minimal.tar"> <parent label="vim-minimal.tar"/> </service>
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<service name="Terminal"> <child name="ssh_terminal"/> </service>
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<service name="Timer"> <child name="timer"/> </service>
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<service name="CPU"> <parent/> </service>
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@ -238,6 +239,7 @@ if {![file exists bin/ed25519_key]} {
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# generic modules
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set boot_modules {
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ed25519_key
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exec_terminal
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}
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# platform-specific modules
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@ -277,36 +279,33 @@ if {[get_cmd_switch --autopilot]} {
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# wait for ssh_terminal to come up
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run_genode_until "--- SSH terminal started ---" 15 $serial_id
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for {set index 0} {$index < 10} {incr index} {
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for {set index 0} {$index < 3} {incr index} {
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puts "test interactive channel"
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spawn sshpass -p xuon ssh -o UserKnownHostsFile=/dev/null -o StrictHostKeyChecking=no -l noux $host -p $port
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set ssh_id $spawn_id
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run_genode_until "--- noux started ---" 15 $serial_id
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run_genode_until {/bin/bash] Hello from Genode!.*\n} 15 $serial_id
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send -i $ssh_id "ls\r"
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run_genode_until "bin" 5 $ssh_id
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send -i $ssh_id "exit\r"
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run_genode_until "child \"noux\" exited with exit value 0" 15 $serial_id
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run_genode_until "child \"init\" exited with exit value 0.*\n" 15 $serial_id
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puts "test exec channel echo"
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set echo_text "The quick brown fox jumps over the lazy dog"
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spawn sshpass -p xuon ssh -o UserKnownHostsFile=/dev/null -o StrictHostKeyChecking=no -l noux $host -p $port "echo $echo_text"
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set ssh_id $spawn_id
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run_genode_until "--- noux started ---" 15 $serial_id
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run_genode_until $echo_text 5 $ssh_id
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run_genode_until "child \"noux\" exited with exit value 0" 15 $serial_id
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run_genode_until ".*$echo_text.*\n" 5 $ssh_id
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run_genode_until "child \"init\" exited with exit value 0.*\n" 15 $serial_id
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puts "test exec channel ls"
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spawn sshpass -p xuon ssh -o UserKnownHostsFile=/dev/null -o StrictHostKeyChecking=no -l noux $host -p $port "ls"
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set ssh_id $spawn_id
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run_genode_until "--- noux started ---" 15 $serial_id
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run_genode_until "bin" 5 $ssh_id
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run_genode_until "child \"noux\" exited with exit value 0" 15 $serial_id
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run_genode_until "child \"init\" exited with exit value 0.*\n" 15 $serial_id
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puts "test exec channel with empty command will not hang"
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spawn sshpass -p xuon ssh -o UserKnownHostsFile=/dev/null -o StrictHostKeyChecking=no -l noux $host -p $port " "
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set ssh_id $spawn_id
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run_genode_until "--- noux started ---" 15 $serial_id
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run_genode_until "child \"noux\" exited with exit value" 15 $serial_id
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run_genode_until "child \"init\" exited with exit value.*\n" 15 $serial_id
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}
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puts ""
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@ -1,6 +1,7 @@
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/*
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* \brief Component starting noux in a sub-init to execute a specific command
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* \author Sid Hussmann
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* \author Norman Feske
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* \date 2019-05-11
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*/
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@ -12,19 +13,12 @@
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* under the terms of the GNU Affero General Public License version 3.
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*/
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/*
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* Copyright (C) 2019 gapfruit AG
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*/
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/* Genode includes */
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#include <base/log.h>
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#include <base/component.h>
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#include <base/attached_rom_dataspace.h>
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#include <os/reporter.h>
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/* local includes */
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namespace Exec_terminal {
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class Main;
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@ -32,130 +26,273 @@ namespace Exec_terminal {
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using namespace Genode;
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}
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class Exec_terminal::Main
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{
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private:
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Env& _env;
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Attached_rom_dataspace _exec_terminal_config { _env, "exec_terminal.config" };
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Signal_handler<Main> _exec_terminal_config_handler { _env.ep(), *this, &Main::_handle_exec_terminal_config };
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Expanding_reporter _init_config_reporter { _env, "config", "config" };
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Attached_rom_dataspace _config { _env, "exec_terminal.config" };
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Signal_handler<Main> _config_handler { _env.ep(), *this, &Main::_handle_config };
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Expanding_reporter _init_config_reporter { _env, "config", "config" };
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unsigned int _version { 0 };
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unsigned int _version { 0 };
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void _handle_config();
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void _handle_exec_terminal_config();
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void _gen_init_config(Xml_generator &, Xml_node const &config) const;
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void _gen_sub_init_config(Xml_generator &, Xml_node const &config) const;
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static void _gen_service_node(Xml_generator &xml, char const *name)
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{
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xml.node("service",[&] () { xml.attribute("name", name); });
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}
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static void _gen_parent_provides(Xml_generator &xml)
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{
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xml.node("parent-provides",[&] () {
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_gen_service_node(xml, "CPU");
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_gen_service_node(xml, "File_system");
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_gen_service_node(xml, "LOG");
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_gen_service_node(xml, "PD");
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_gen_service_node(xml, "RM");
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_gen_service_node(xml, "ROM");
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_gen_service_node(xml, "Report");
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_gen_service_node(xml, "Terminal");
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_gen_service_node(xml, "Timer");
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});
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}
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public:
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Main(Env& env) :
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_env{env}
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Main(Env& env) : _env(env)
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{
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_exec_terminal_config.sigh(_exec_terminal_config_handler);
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_handle_exec_terminal_config();
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_config.sigh(_config_handler);
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_handle_config();
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}
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virtual ~Main() = default;
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};
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void Exec_terminal::Main::_handle_exec_terminal_config()
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void Exec_terminal::Main::_handle_config()
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{
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_exec_terminal_config.update();
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_config.update();
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const Xml_node cfg = _exec_terminal_config.xml();
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Xml_node const config = _config.xml();
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Genode::log(cfg);
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if (!cfg.has_type("empty")) {
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if (cfg.has_attribute("exit")) {
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_init_config_reporter.generate([&] (Xml_generator& xml) {
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xml.node("empty");
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});
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} else {
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log(config);
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if (config.has_type("empty"))
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return;
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_init_config_reporter.generate([&] (Xml_generator& xml) {
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xml.node("parent-provides",[&] () {
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xml.node("service",[&] () { xml.attribute("name", "CPU"); });
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xml.node("service",[&] () { xml.attribute("name", "File_system"); });
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xml.node("service",[&] () { xml.attribute("name", "LOG"); });
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xml.node("service",[&] () { xml.attribute("name", "PD"); });
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xml.node("service",[&] () { xml.attribute("name", "RM"); });
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xml.node("service",[&] () { xml.attribute("name", "ROM"); });
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xml.node("service",[&] () { xml.attribute("name", "Report"); });
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xml.node("service",[&] () { xml.attribute("name", "Terminal"); });
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xml.node("service",[&] () { xml.attribute("name", "Timer"); });
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});
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_version++;
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xml.node("start",[&] () {
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xml.attribute("name", "noux");
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xml.attribute("caps", "500");
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xml.attribute("version", ++_version);
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xml.node("resource",[&] () { xml.attribute("name", "RAM"); xml.attribute("quantum", "64M"); });
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xml.node("config",[&] () {
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xml.node("fstab",[&] () {
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xml.node("tar",[&] () { xml.attribute("name", "bash.tar"); });
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xml.node("tar",[&] () { xml.attribute("name", "coreutils-minimal.tar"); });
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xml.node("tar",[&] () { xml.attribute("name", "vim-minimal.tar"); });
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xml.node("dir",[&] () {
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xml.attribute("name", "rw");
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xml.node("fs",[&] () { xml.attribute("label", "rw"); });
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});
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xml.node("dir",[&] () {
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xml.attribute("name", "tmp");
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xml.node("ram",[&] () { });
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});
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});
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xml.node("start",[&] () {
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xml.attribute("name", "/bin/bash");
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xml.node("env",[&] () {
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xml.attribute("name", "TERM");
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xml.attribute("value", "screen");
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});
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xml.node("env",[&] () {
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xml.attribute("name", "HOME");
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xml.attribute("value", "/");
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});
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xml.node("env",[&] () {
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xml.attribute("name", "IGNOREOF");
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xml.attribute("value", "3");
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});
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if (cfg.has_attribute("command")) {
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Genode::String<128> cmd;
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cfg.attribute_value("command", &cmd);
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if (cmd.valid()) {
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xml.node("arg",[&] () {
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xml.attribute("value", "-c");
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});
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xml.node("arg",[&] () {
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// FIXME appending " ; true" is done to force bash to fork.
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// noux will fail otherwise. This invalidates any exit codes.
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xml.attribute("value", Genode::String<136>(cmd, " ; true"));
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});
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}
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} else {
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xml.node("env",[&] () {
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xml.attribute("name", "PS1");
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xml.attribute("value", "noux@$PWD> ");
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});
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}
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});
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});
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xml.node("route",[&] () {
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xml.node("service",[&] () { xml.attribute("name", "CPU"); xml.node("parent",[&] () {}); });
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xml.node("service",[&] () { xml.attribute("name", "File_system"); xml.node("parent",[&] () {}); });
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xml.node("service",[&] () { xml.attribute("name", "LOG"); xml.node("parent",[&] () {}); });
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xml.node("service",[&] () { xml.attribute("name", "PD"); xml.node("parent",[&] () {}); });
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xml.node("service",[&] () { xml.attribute("name", "RM"); xml.node("parent",[&] () {}); });
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xml.node("service",[&] () { xml.attribute("name", "ROM"); xml.node("parent",[&] () {}); });
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xml.node("service",[&] () { xml.attribute("name", "Terminal"); xml.node("parent",[&] () {}); });
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xml.node("service",[&] () { xml.attribute("name", "Timer"); xml.node("parent",[&] () {}); });
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});
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});
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});
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}
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}
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_init_config_reporter.generate([&] (Xml_generator &xml) {
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if (config.has_attribute("exit"))
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xml.node("empty");
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else
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_gen_init_config(xml, config);
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});
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}
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void Component::construct(Genode::Env &env) {
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void Exec_terminal::Main::_gen_init_config(Xml_generator &xml, Xml_node const &config) const
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{
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_gen_parent_provides(xml);
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xml.node("start",[&] () {
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xml.attribute("name", "init");
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xml.attribute("caps", 900);
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xml.attribute("version", _version);
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xml.node("resource",[&] () {
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xml.attribute("name", "RAM");
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xml.attribute("quantum", "70M"); });
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xml.node("config", [&] () {
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_gen_sub_init_config(xml, config); });
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xml.node("route",[&] () {
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xml.node("any-service",[&] () {
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xml.node("parent",[&] () { }); }); });
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});
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}
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void Exec_terminal::Main::_gen_sub_init_config(Xml_generator &xml, Xml_node const &config) const
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{
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xml.attribute("verbose", "no");
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_gen_parent_provides(xml);
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auto gen_parent_route = [&] (auto name) {
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xml.node("service",[&] () {
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xml.attribute("name", name);
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xml.node("parent",[&] () {}); }); };
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auto gen_ram = [&] (auto ram) {
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xml.node("resource",[&] () {
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xml.attribute("name", "RAM");
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xml.attribute("quantum", ram); }); };
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auto gen_provides_service = [&] (auto name) {
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xml.node("provides", [&] () {
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xml.node("service", [&] () {
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xml.attribute("name", name); }); }); };
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xml.node("start",[&] () {
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xml.attribute("name", "vfs");
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xml.attribute("caps", 120);
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gen_ram("32M");
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gen_provides_service("File_system");
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xml.node("config",[&] () {
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xml.node("vfs",[&] () {
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xml.node("tar",[&] () { xml.attribute("name", "bash.tar"); });
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xml.node("tar",[&] () { xml.attribute("name", "coreutils-minimal.tar"); });
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xml.node("tar",[&] () { xml.attribute("name", "vim-minimal.tar"); });
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xml.node("dir",[&] () {
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xml.attribute("name", "rw");
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xml.node("fs",[&] () { xml.attribute("label", "rw"); });
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});
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xml.node("dir", [&] () {
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xml.attribute("name", "dev");
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xml.node("terminal", [&] () { });
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xml.node("inline", [&] () {
|
||||
xml.attribute("name", "rtc");
|
||||
xml.append("2018-01-01 00:01");
|
||||
});
|
||||
});
|
||||
xml.node("dir",[&] () {
|
||||
xml.attribute("name", "tmp");
|
||||
xml.node("ram",[&] () { });
|
||||
});
|
||||
xml.node("inline", [&] () {
|
||||
xml.attribute("name", ".bash_profile");
|
||||
xml.append("echo Hello from Genode! > /dev/log");
|
||||
});
|
||||
});
|
||||
xml.node("default-policy", [&] () {
|
||||
xml.attribute("root", "/");
|
||||
xml.attribute("writeable", "yes");
|
||||
});
|
||||
});
|
||||
xml.node("route",[&] () {
|
||||
gen_parent_route("CPU");
|
||||
gen_parent_route("LOG");
|
||||
gen_parent_route("PD");
|
||||
gen_parent_route("ROM");
|
||||
gen_parent_route("File_system");
|
||||
gen_parent_route("Terminal");
|
||||
});
|
||||
});
|
||||
|
||||
auto gen_vfs_route = [&] () {
|
||||
xml.node("service",[&] () {
|
||||
xml.attribute("name", "File_system");
|
||||
xml.node("child",[&] () { xml.attribute("name", "vfs"); }); }); };
|
||||
|
||||
xml.node("start",[&] () {
|
||||
xml.attribute("name", "vfs_rom");
|
||||
xml.attribute("caps", 100);
|
||||
gen_ram("16M");
|
||||
gen_provides_service("ROM");
|
||||
xml.node("binary", [&] () { xml.attribute("name", "fs_rom"); });
|
||||
xml.node("config", [&] () { });
|
||||
xml.node("route", [&] () {
|
||||
gen_parent_route("CPU");
|
||||
gen_parent_route("LOG");
|
||||
gen_parent_route("PD");
|
||||
gen_parent_route("ROM");
|
||||
gen_vfs_route();
|
||||
});
|
||||
});
|
||||
|
||||
xml.node("start",[&] () {
|
||||
xml.attribute("name", "/bin/bash");
|
||||
xml.attribute("caps", 500);
|
||||
gen_ram("16M");
|
||||
|
||||
/* exit sub init when leaving bash */
|
||||
xml.node("exit",[&] () {
|
||||
xml.attribute("propagate", "yes"); });
|
||||
|
||||
xml.node("config",[&] () {
|
||||
|
||||
xml.node("libc",[&] () {
|
||||
xml.attribute("stdin", "/dev/terminal");
|
||||
xml.attribute("stdout", "/dev/terminal");
|
||||
xml.attribute("stderr", "/dev/terminal");
|
||||
xml.attribute("rtc", "/dev/rtc");
|
||||
});
|
||||
|
||||
xml.node("vfs",[&] () {
|
||||
xml.node("fs",[&] () { xml.attribute("label", "rw"); });
|
||||
xml.node("dir", [&] () {
|
||||
xml.attribute("name", "dev");
|
||||
xml.node("null", [&] () { });
|
||||
xml.node("log", [&] () { });
|
||||
});
|
||||
});
|
||||
|
||||
auto gen_env = [&] (auto key, auto value) {
|
||||
xml.node("env",[&] () {
|
||||
xml.attribute("key", key);
|
||||
xml.attribute("value", value); }); };
|
||||
|
||||
auto gen_arg = [&] (auto value) {
|
||||
xml.node("arg",[&] () {
|
||||
xml.attribute("value", value); }); };
|
||||
|
||||
gen_env("TERM", "screen");
|
||||
gen_env("HOME", "/");
|
||||
gen_env("PATH", "/bin");
|
||||
gen_env("HISTFILE", "");
|
||||
gen_env("IGNOREOF", "3");
|
||||
|
||||
gen_arg("/bin/bash");
|
||||
|
||||
if (config.has_attribute("command")) {
|
||||
|
||||
typedef String<128> Command;
|
||||
Command const command = config.attribute_value("command", Command());
|
||||
|
||||
if (command.valid()) {
|
||||
gen_arg("-c");
|
||||
|
||||
/*
|
||||
* XXX appending " ; true" is done to force bash to fork.
|
||||
* Bash fails to return the proper exit code otherwise.
|
||||
*/
|
||||
gen_arg(String<200>(command, " ; true"));
|
||||
}
|
||||
} else {
|
||||
gen_env("PS1", "noux@$PWD> ");
|
||||
gen_arg("--login");
|
||||
}
|
||||
});
|
||||
xml.node("route",[&] () {
|
||||
xml.node("service",[&] () {
|
||||
xml.attribute("name", "ROM");
|
||||
xml.attribute("label_last", "/bin/bash");
|
||||
xml.node("child",[&] () { xml.attribute("name", "vfs_rom"); });
|
||||
});
|
||||
xml.node("service",[&] () {
|
||||
xml.attribute("name", "ROM");
|
||||
xml.attribute("label_prefix", "/bin");
|
||||
xml.node("child",[&] () { xml.attribute("name", "vfs_rom"); });
|
||||
});
|
||||
gen_parent_route("CPU");
|
||||
gen_parent_route("LOG");
|
||||
gen_parent_route("PD");
|
||||
gen_parent_route("RM");
|
||||
gen_parent_route("ROM");
|
||||
gen_parent_route("Timer");
|
||||
gen_vfs_route();
|
||||
});
|
||||
});
|
||||
}
|
||||
|
||||
|
||||
void Component::construct(Genode::Env &env)
|
||||
{
|
||||
static Exec_terminal::Main main(env);
|
||||
}
|
||||
|
|
|
|||
Loading…
Reference in New Issue