h1-mod/src/client/component/download.cpp

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#include <std_include.hpp>
#include "loader/component_loader.hpp"
#include "download.hpp"
#include "console.hpp"
#include "scheduler.hpp"
#include "party.hpp"
#include "game/ui_scripting/execution.hpp"
#include <utils/concurrency.hpp>
#include <utils/http.hpp>
#include <utils/io.hpp>
namespace download
{
namespace
{
struct globals_t
{
bool abort{};
bool active{};
};
utils::concurrency::container<globals_t> globals;
bool download_aborted()
{
return globals.access<bool>([](globals_t& globals_)
{
return globals_.abort;
});
}
void mark_unactive()
{
globals.access([](globals_t& globals_)
{
globals_.active = false;
});
}
void mark_active()
{
globals.access([](globals_t& globals_)
{
globals_.active = true;
});
}
bool download_active()
{
return globals.access<bool>([](globals_t& globals_)
{
return globals_.active;
});
}
int progress_callback(size_t progress)
{
console::debug("Download progress: %lli\n", progress);
if (download_aborted())
{
return -1;
}
return 0;
}
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void menu_error(const std::string& error)
{
scheduler::once([=]()
{
party::menu_error(error);
}, scheduler::pipeline::lui);
}
}
void start_download(const game::netadr_s& target, const utils::info_string& info)
{
if (download_active())
{
scheduler::schedule([=]()
{
if (!download_active())
{
start_download(target, info);
return scheduler::cond_end;
}
return scheduler::cond_continue;
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}, scheduler::pipeline::main);
return;
}
globals.access([&](globals_t& globals_)
{
globals_ = {};
});
const auto base = info.get("sv_wwwBaseUrl");
if (base.empty())
{
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menu_error("Download failed: Server doesn't have 'sv_wwwBaseUrl' dvar set.");
return;
}
const auto mod = info.get("fs_game") + "/mod.ff";
const auto url = base + "/" + mod;
console::debug("Downloading %s from %s: %s\n", mod.data(), base.data(), url.data());
scheduler::once([=]()
{
const ui_scripting::table mod_data_table{};
mod_data_table.set("name", mod.data());
ui_scripting::notify("mod_download_start",
{
{"request", mod_data_table}
});
}, scheduler::pipeline::lui);
scheduler::once([=]()
{
{
const auto _0 = gsl::finally(&mark_unactive);
mark_active();
if (download_aborted())
{
return;
}
const auto data = utils::http::get_data(url, {}, {}, &progress_callback);
if (!data.has_value())
{
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menu_error("Download failed: An unknown error occurred, please try again.");
return;
}
if (download_aborted())
{
return;
}
const auto& result = data.value();
if (result.code != CURLE_OK)
{
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menu_error(utils::string::va("Download failed: %s (%i)\n", result.code, curl_easy_strerror(result.code)));
return;
}
utils::io::write_file(mod, result.buffer, false);
}
scheduler::once([]()
{
ui_scripting::notify("mod_download_done", {});
}, scheduler::pipeline::lui);
scheduler::once([=]()
{
party::connect(target);
}, scheduler::pipeline::main);
}, scheduler::pipeline::async);
}
void stop_download()
{
if (!download_active())
{
return;
}
globals.access([&](globals_t& globals_)
{
globals_.abort = true;
});
scheduler::once([]()
{
ui_scripting::notify("mod_download_done", {});
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party::menu_error("Download for server mod has been cancelled.");
}, scheduler::pipeline::lui);
}
}