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e6db1b81b8
The goal here is to generate most of this code from IPC protocol
descriptions, but for now I've spelled them all out to get started.
Each message gets a wrapper class in the ASAPI_Client or ASAPI_Server
namespace. They are convertible to and from the old message structs.
The real hotness happens when you want to make a synchronous request
to the other side:
auto response = send_sync<ASAPI_Client::GetMainMixVolume>();
Each request class knows his corresponding response class, so in the
above example, "response" will be an ASAPI_Server::DidGetMainMixVolume
object, and we can get the volume like so:
int volume = response.volume();
For posting messages that don't expect a response, you can still use
post_message() since the message classes are convertible:
post_message(ASAPI_Server::DidGetMainMixVolume(volume));
It's not perfect yet, but I already really like it. :^)
37 lines
923 B
C++
37 lines
923 B
C++
#include <LibAudio/ABuffer.h>
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#include <LibAudio/AClientConnection.h>
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#include <SharedBuffer.h>
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AClientConnection::AClientConnection()
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: Connection("/tmp/asportal")
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{
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}
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void AClientConnection::handshake()
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{
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auto response = send_sync<ASAPI_Client::Greeting>(getpid());
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set_server_pid(response.server_pid());
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set_my_client_id(response.your_client_id());
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}
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void AClientConnection::enqueue(const ABuffer& buffer)
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{
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for (;;) {
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const_cast<ABuffer&>(buffer).shared_buffer().share_with(server_pid());
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auto response = send_sync<ASAPI_Client::EnqueueBuffer>(buffer.shared_buffer_id());
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if (response.success())
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break;
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sleep(1);
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}
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}
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int AClientConnection::get_main_mix_volume()
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{
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return send_sync<ASAPI_Client::GetMainMixVolume>().volume();
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}
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void AClientConnection::set_main_mix_volume(int volume)
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{
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send_sync<ASAPI_Client::SetMainMixVolume>(volume);
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}
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