kopia lustrzana https://github.com/jamescoxon/dl-fldigi
139 wiersze
2.7 KiB
C++
139 wiersze
2.7 KiB
C++
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/*
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* Copyright (C) 2012 Daniel Richman
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* License: GNU GPL 3
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*
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* update.cxx: Automatically check for updates
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*/
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#include "dl_fldigi/update.h"
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#include <stdexcept>
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#include <map>
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#include <string>
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#include <FL/Fl.H>
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#include <FL/fl_ask.H>
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#include "config.h"
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#include "debug.h"
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#include "fl_digi.h"
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#include "icons.h"
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#include "jsoncpp.h"
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#include "dl_fldigi/dl_fldigi.h"
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#include "dl_fldigi/version.h"
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#include "habitat/EZ.h"
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using namespace std;
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namespace dl_fldigi {
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namespace update {
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// Designed to be run once only
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static UpdateThread thr;
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static string update_text, update_url;
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static void got_update(void *);
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void check()
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{
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thr.start(); // EZ::SimpleThread won't start more than once
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}
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void cleanup()
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{
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try
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{
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thr.join();
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}
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catch (runtime_error &e)
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{
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// throws error if joined before started. Ignore.
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}
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}
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#ifdef __MINGW32__
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#define PLATFORM "mingw32"
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#endif
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#ifdef __APPLE__
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#define PLATFORM "macosx"
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#endif
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#ifdef __linux__
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#define PLATFORM "linux"
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#endif
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#ifndef PLATFORM
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#error "Couldn't work out what the platform should be for update checking :-("
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#endif
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void *UpdateThread::run()
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{
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map<string,string> args;
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args["platform"] = PLATFORM;
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args["commit"] = dl_fldigi::git_commit;
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string url = "http://habhub.org/dl-fldigi-check";
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url.append(EZ::cURL::query_string(args, true));
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EZ::cURL curl;
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string response;
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try
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{
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response = curl.get(url);
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}
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catch (runtime_error &e)
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{
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Fl_AutoLock lock;
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LOG_WARN("Error in update check: %s", e.what());
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return NULL;
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}
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/* blocking download done, now get the lock: */
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Fl_AutoLock lock;
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if (response == "")
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{
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LOG_INFO("dl-fldigi is up to date");
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return NULL;
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}
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Json::Reader reader;
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Json::Value val;
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if (!reader.parse(response, val, false) ||
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!val.isObject() || !val.size() ||
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!val["text"].isString() || !val["url"].isString())
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{
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LOG_WARN("Error in update check: Bad JSON");
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return NULL;
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}
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update_text = val["text"].asString();
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update_url = val["url"].asString();
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// Strange bug causing empty dialog boxes and unresponse process
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// requires running got_update in the main thread, but whatever:
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Fl::awake(got_update, NULL);
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return NULL;
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}
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static void got_update(void *)
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{
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cleanup();
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int c = fl_choice2("Test %s", "Close", "Open in browser", NULL,
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update_text.c_str());
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if (c)
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{
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LOG_INFO("Opening %s in browser", update_url.c_str());
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// from fl_digi.h
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cb_mnuVisitURL(0, (void *) update_url.c_str());
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}
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}
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} /* namespace update */
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} /* namespace dl_fldigi */
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