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Extended hello tutorial with second client and configurable parameters.

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This commit is contained in:
Michael Müller
2022-07-11 11:57:05 +02:00
parent 7d405d8f6a
commit e6b09edaca
2 changed files with 53 additions and 6 deletions
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7
repos/hello_tutorial/run/hello.run
View File

@@ -27,7 +27,14 @@ install_config {
<provides> <service name="Hello"/> </provides>
</start>
<start name="hello_client">
<binary name="hello_client"/>
<resource name="RAM" quantum="1M"/>
<config a="5" b="6"/>
</start>
<start name="hello_client2">
<binary name="hello_client"/>
<resource name="RAM" quantum="1M"/>
<config a="7" b="8"/>
</start>
</config>}

52
repos/hello_tutorial/src/hello/client/main.cc
View File

@@ -14,17 +14,57 @@
#include <base/component.h>
#include <base/log.h>
#include <base/attached_rom_dataspace.h>
#include <hello_session/connection.h>
struct HelloClient {
Genode::Env &_env;
Hello::Connection &_hello;
void Component::construct(Genode::Env &env)
int _a;
int _b;
Genode::Attached_rom_dataspace _config{_env, "config"};
void _handle_config()
{
Genode::log("Reading config");
_config.update();
if (!_config.valid()) {
Genode::log("Config is invalid.");
return;
}
_a = _config.xml().attribute_value("a", 2);
_b = _config.xml().attribute_value("b", 5);
}
Genode::Signal_handler<HelloClient> _config_handler {
_env.ep(), *this, &HelloClient::_handle_config
};
void run()
{
_hello.say_hello();
int const sum = _hello.add(_a, _b);
Genode::log("added ", _a, " + ", _b, " = ", sum);
Genode::log("hello test completed.");
}
HelloClient(Genode::Env &env, Hello::Connection &conn) : _env(env), _hello(conn)
{}
};
void
Component::construct(Genode::Env &env)
{
Hello::Connection hello(env);
hello.say_hello();
HelloClient client(env, hello);
client.run();
int const sum = hello.add(2, 5);
Genode::log("added 2 + 5 = ", sum);
Genode::log("hello test completed");
}