add initial (and buggy) unix socket based client/server code
This commit is contained in:
Maxime Coste
parent
b9eb939e05
commit
0735c69a92
209
src/main.cc
209
src/main.cc
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@ -20,6 +20,7 @@
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#include "string.hh"
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#include "file.hh"
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#include "color_registry.hh"
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#include "remote.hh"
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#if defined(__APPLE__)
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#include <mach-o/dyld.h>
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@ -27,6 +28,8 @@
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#include <unordered_map>
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#include <sys/types.h>
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#include <sys/socket.h>
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#include <sys/un.h>
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#include <sys/wait.h>
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using namespace Kakoune;
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@ -450,6 +453,45 @@ std::unordered_map<Key, std::function<void (Context& context)>> keymap =
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void run_unit_tests();
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void register_env_vars()
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{
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ShellManager& shell_manager = ShellManager::instance();
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shell_manager.register_env_var("bufname",
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[](const String& name, const Context& context)
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{ return context.buffer().name(); });
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shell_manager.register_env_var("selection",
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[](const String& name, const Context& context)
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{ return context.editor().selections_content().back(); });
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shell_manager.register_env_var("runtime",
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[](const String& name, const Context& context)
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{ return runtime_directory(); });
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shell_manager.register_env_var("opt_.+",
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[](const String& name, const Context& context)
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{ return context.option_manager()[name.substr(4_byte)].as_string(); });
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shell_manager.register_env_var("reg_.+",
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[](const String& name, const Context& context)
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{ return RegisterManager::instance()[name[4]].values(context)[0]; });
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}
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void register_registers()
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{
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RegisterManager& register_manager = RegisterManager::instance();
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register_manager.register_dynamic_register('%', [](const Context& context) { return std::vector<String>(1, context.buffer().name()); });
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register_manager.register_dynamic_register('.', [](const Context& context) { return context.editor().selections_content(); });
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for (size_t i = 0; i < 10; ++i)
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{
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register_manager.register_dynamic_register('0'+i,
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[i](const Context& context) {
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std::vector<String> result;
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for (auto& sel_and_cap : context.editor().selections())
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result.emplace_back(i < sel_and_cap.captures.size() ? sel_and_cap.captures[i] : "");
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return result;
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});
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}
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}
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struct Client
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{
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std::unique_ptr<UserInterface> ui;
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@ -499,72 +541,129 @@ Client create_local_client(const String& file)
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return client;
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}
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void register_env_vars()
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{
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ShellManager& shell_manager = ShellManager::instance();
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std::vector<Client> clients;
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shell_manager.register_env_var("bufname",
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[](const String& name, const Context& context)
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{ return context.buffer().name(); });
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shell_manager.register_env_var("selection",
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[](const String& name, const Context& context)
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{ return context.editor().selections_content().back(); });
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shell_manager.register_env_var("runtime",
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[](const String& name, const Context& context)
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{ return runtime_directory(); });
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shell_manager.register_env_var("opt_.+",
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[](const String& name, const Context& context)
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{ return context.option_manager()[name.substr(4_byte)].as_string(); });
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shell_manager.register_env_var("reg_.+",
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[](const String& name, const Context& context)
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{ return RegisterManager::instance()[name[4]].values(context)[0]; });
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void setup_server()
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{
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auto filename = "/tmp/kak-" + int_to_str(getpid());
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int listen_sock = socket(AF_UNIX, SOCK_STREAM | SOCK_CLOEXEC, 0);
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sockaddr_un addr;
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addr.sun_family = AF_UNIX;
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strncpy(addr.sun_path, filename.c_str(), sizeof(addr.sun_path) - 1);
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if (bind(listen_sock, (sockaddr*) &addr, sizeof(sockaddr_un)) == -1)
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throw runtime_error("unable to bind listen socket " + filename);
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if (listen(listen_sock, 4) == -1)
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throw runtime_error("unable to listen on socket " + filename);
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auto accepter = [=](int socket) {
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sockaddr_un client_addr;
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socklen_t client_addr_len = sizeof(sockaddr_un);
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int sock = accept(socket, (sockaddr*) &client_addr, &client_addr_len);
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if (sock == -1)
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throw runtime_error("accept failed");
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auto& buffer = *BufferManager::instance().begin();
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RemoteUI* ui = new RemoteUI{sock};
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ui->set_dimensions(DisplayCoord(24, 80));
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Client client{ui, *buffer->get_or_create_window()};
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InputHandler* input_handler = client.input_handler.get();
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Context* context = client.context.get();
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EventManager::instance().watch(sock, [=](int) {
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try
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{
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input_handler->handle_next_input(*context);
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}
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catch (Kakoune::runtime_error& error)
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{
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ui->print_status(error.description(), -1);
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}
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});
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clients.push_back(std::move(client));
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};
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EventManager::instance().watch(listen_sock, accepter);
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}
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void register_registers()
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RemoteClient* connect_to(const String& pid)
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{
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RegisterManager& register_manager = RegisterManager::instance();
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auto filename = "/tmp/kak-" + pid;
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register_manager.register_dynamic_register('%', [](const Context& context) { return std::vector<String>(1, context.buffer().name()); });
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register_manager.register_dynamic_register('.', [](const Context& context) { return context.editor().selections_content(); });
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for (size_t i = 0; i < 10; ++i)
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{
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register_manager.register_dynamic_register('0'+i,
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[i](const Context& context) {
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std::vector<String> result;
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for (auto& sel_and_cap : context.editor().selections())
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result.emplace_back(i < sel_and_cap.captures.size() ? sel_and_cap.captures[i] : "");
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return result;
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});
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}
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int sock = socket(AF_UNIX, SOCK_STREAM | SOCK_CLOEXEC, 0);
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sockaddr_un addr;
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addr.sun_family = AF_UNIX;
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strncpy(addr.sun_path, filename.c_str(), sizeof(addr.sun_path) - 1);
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if (connect(sock, (sockaddr*)&addr, sizeof(addr.sun_path)) == -1)
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throw runtime_error("connect to " + filename + " failed");
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NCursesUI* ui = new NCursesUI{};
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RemoteClient* remote_client = new RemoteClient{sock, ui};
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EventManager::instance().watch(sock, [=](int) {
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try
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{
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remote_client->process_next_message();
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}
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catch (Kakoune::runtime_error& error)
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{
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ui->print_status(error.description(), -1);
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}
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});
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EventManager::instance().watch(0, [=](int) {
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try
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{
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remote_client->write_next_key();
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}
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catch (Kakoune::runtime_error& error)
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{
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ui->print_status(error.description(), -1);
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}
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});
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return remote_client;
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}
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int main(int argc, char* argv[])
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{
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EventManager event_manager;
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GlobalOptionManager option_manager;
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GlobalHookManager hook_manager;
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ShellManager shell_manager;
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CommandManager command_manager;
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BufferManager buffer_manager;
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RegisterManager register_manager;
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HighlighterRegistry highlighter_registry;
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FilterRegistry filter_registry;
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ColorRegistry color_registry;
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run_unit_tests();
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register_env_vars();
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register_registers();
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register_commands();
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register_highlighters();
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register_filters();
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write_debug("*** This is the debug buffer, where debug info will be written ***\n");
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write_debug("utf-8 test: é á ï");
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Client local_client;
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try
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{
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EventManager event_manager;
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if (argc == 3 and String("-c") == argv[1])
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{
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std::unique_ptr<RemoteClient> client(connect_to(argv[2]));
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while(not quit_requested)
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event_manager.handle_next_events();
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return 0;
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}
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GlobalOptionManager option_manager;
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GlobalHookManager hook_manager;
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ShellManager shell_manager;
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CommandManager command_manager;
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BufferManager buffer_manager;
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RegisterManager register_manager;
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HighlighterRegistry highlighter_registry;
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FilterRegistry filter_registry;
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ColorRegistry color_registry;
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run_unit_tests();
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register_env_vars();
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register_registers();
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register_commands();
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register_highlighters();
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register_filters();
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write_debug("*** This is the debug buffer, where debug info will be written ***\n");
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write_debug("pid: " + int_to_str(getpid()) + "\n");
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write_debug("utf-8 test: é á ï");
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setup_server();
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Client local_client;
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try
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{
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Context initialisation_context;
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