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Inspector+LibCore+rpcdump: Rework the RPC stuff to be request/response
RPC clients now send JSON-encoded requests to the RPC server. The connection also stays alive instead of disconnecting automatically after the initial CObject graph dump. JSON payloads are preceded by a single host-order encoded 32-bit int containing the length of the payload. So far, we have three RPC commands: - Identify - GetAllObjects - Disconnect We'll be adding more of these as we go along. :^)
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5 changed files with 217 additions and 38 deletions
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@ -1,3 +1,5 @@
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#include <AK/JsonObject.h>
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#include <AK/JsonValue.h>
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#include <LibCore/CEventLoop.h>
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#include <LibCore/CLocalSocket.h>
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#include <stdio.h>
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@ -18,6 +20,13 @@ int main(int argc, char** argv)
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socket.on_connected = [&] {
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dbg() << "Connected to PID " << pid;
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JsonObject request;
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request.set("type", "GetAllObjects");
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auto serialized = request.to_string();
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i32 length = serialized.length();
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socket.write((const u8*)&length, sizeof(length));
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socket.write(serialized);
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};
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socket.on_ready_to_read = [&] {
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@ -32,6 +41,8 @@ int main(int argc, char** argv)
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for (int i = 0; i < data.size(); ++i)
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putchar(data[i]);
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printf("\n");
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loop.quit(0);
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};
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auto success = socket.connect(CSocketAddress::local(String::format("/tmp/rpc.%d", pid)));
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