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https://github.com/genodelabs/genode.git
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#include <balloon_session/balloon_session.h>
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#include <cap_session/connection.h>
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#include <timer_session/connection.h>
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#include <base/rpc_server.h>
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#include <root/component.h>
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#include <base/sleep.h>
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#include <base/env.h>
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using namespace Genode;
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class Session_component;
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static List<Session_component> session_list;
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class Session_component : public Rpc_object<Balloon_session, Session_component>,
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public List<Session_component>::Element
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{
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private:
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Signal_context_capability _handler;
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public:
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Session_component() {
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session_list.insert(this); }
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~Session_component() {
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session_list.remove(this); };
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int increase_quota(Ram_session_capability ram_session, size_t amount)
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{
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PDBG("increase ram_quota of client by %zx", amount);
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while (true) ;
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return 0;
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}
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void balloon_handler(Signal_context_capability handler) {
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_handler = handler; }
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Signal_context_capability handler() { return _handler; }
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};
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class Root : public Genode::Root_component<Session_component>
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{
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protected:
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Session_component *_create_session(const char *args)
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{
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size_t ram_quota =
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Arg_string::find_arg(args, "ram_quota").ulong_value(0);
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if (ram_quota < sizeof(Session_component))
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throw Root::Quota_exceeded();
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return new (md_alloc()) Session_component();
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}
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public:
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Root(Rpc_entrypoint *session_ep,
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Allocator *md_alloc)
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: Root_component(session_ep, md_alloc) { }
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};
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int main() {
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enum { STACK_SIZE = 1024*sizeof(Genode::addr_t) };
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static Timer::Connection timer;
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static Cap_connection cap;
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static Rpc_entrypoint ep(&cap, STACK_SIZE, "balloon_ep");
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static ::Root root(&ep, env()->heap());
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env()->parent()->announce(ep.manage(&root));
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while (true) {
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Session_component *c = session_list.first();
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while (c) {
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if (c->handler().valid()) {
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PINF("request memory from client!");
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Signal_transmitter transmitter(c->handler());
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transmitter.submit();
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}
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c = c->next();
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}
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timer.msleep(10000);
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}
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return 0;
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}
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@ -1,3 +0,0 @@
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TARGET = balloon
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LIBS = base
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SRC_CC = main.cc
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