From e183c47ec2db4e3bdd82a3fbbe81d2d61c64107a Mon Sep 17 00:00:00 2001
From: dec05eba <dec05eba@protonmail.com>
Date: Sat, 17 Apr 2021 01:26:34 +0200
Subject: Add manga combined plugin timeout

---
 src/plugins/MangaCombined.cpp | 81 ++++++++++++++++++++++++++++++++++---------
 1 file changed, 65 insertions(+), 16 deletions(-)

(limited to 'src/plugins')

diff --git a/src/plugins/MangaCombined.cpp b/src/plugins/MangaCombined.cpp
index 994bb47..5b80872 100644
--- a/src/plugins/MangaCombined.cpp
+++ b/src/plugins/MangaCombined.cpp
@@ -1,34 +1,83 @@
 #include "../../plugins/MangaCombined.hpp"
+#include "../../include/AsyncTask.hpp"
 
 namespace QuickMedia {
+    static const int SEARCH_TIMEOUT_MILLISECONDS = 6000;
+
     MangaCombinedSearchPage::MangaCombinedSearchPage(Program *program, std::vector<MangaPlugin> search_pages) :
         Page(program), search_pages(std::move(search_pages))
     {
         
     }
 
-    static void result_items_add_thread_results(std::vector<std::pair<MangaPlugin*, std::future<BodyItems>>> &search_threads, BodyItems &result_items) {
-        for(auto &search_thread : search_threads) {
-            BodyItems search_page_body_items = search_thread.second.get();
-            if(search_page_body_items.empty())
-                continue;
+    static void result_items_add_thread_results(std::vector<std::pair<MangaPlugin*, AsyncTask<BodyItems>>> &search_threads, BodyItems &result_items) {
+        std::vector<std::pair<MangaPlugin*, bool>> plugin_finished_state(search_threads.size());
+        for(size_t i = 0; i < plugin_finished_state.size(); ++i) {
+            plugin_finished_state[i].first = search_threads[i].first;
+        }
+
+        int accumulated_sleep_time = 0;
+        while(true) {
+            size_t finshed_plugin_index = 0;
+            for(auto &f : plugin_finished_state) {
+                f.second = false;
+            }
+
+            for(auto &search_thread : search_threads) {
+                if(!search_thread.second.valid()) {
+                    plugin_finished_state[finshed_plugin_index].second = true;
+                    ++finshed_plugin_index;
+                    continue;
+                }
+
+                if(!search_thread.second.ready())
+                    continue;
+
+                BodyItems search_page_body_items = search_thread.second.get();
+                plugin_finished_state[finshed_plugin_index].second = true;
+                ++finshed_plugin_index;
+                if(search_page_body_items.empty())
+                    continue;
+
+                auto title_item = BodyItem::create("");
+                title_item->set_author("======================== " + search_thread.first->title + " ========================");
+                result_items.push_back(std::move(title_item));
+
+                for(auto &new_body_item : search_page_body_items) {
+                    new_body_item->userdata = search_thread.first->page.get();
+                }
+                result_items.insert(result_items.end(), std::move_iterator(search_page_body_items.begin()), std::move_iterator(search_page_body_items.end()));
+            }
+
+            size_t num_finished_plugins = 0;
+            for(auto &f : plugin_finished_state) {
+                if(f.second)
+                    ++num_finished_plugins;
+            }
 
-            auto title_item = BodyItem::create("");
-            title_item->set_author("======================== " + search_thread.first->title + " ========================");
-            title_item->url = search_thread.first->service_name;
+            if(num_finished_plugins == search_threads.size())
+                break;
 
-            result_items.push_back(std::move(title_item));
-            for(auto &new_body_item : search_page_body_items) {
-                new_body_item->userdata = search_thread.first->page.get();
+            int sleep_time_ms = 200;
+            std::this_thread::sleep_for(std::chrono::milliseconds(sleep_time_ms));
+            accumulated_sleep_time += sleep_time_ms;
+            if(accumulated_sleep_time >= SEARCH_TIMEOUT_MILLISECONDS) {
+                for(auto &f : plugin_finished_state) {
+                    if(!f.second) {
+                        auto title_item = BodyItem::create("");
+                        title_item->set_author("======================== " + f.first->title + " timed out ========================");
+                        result_items.push_back(std::move(title_item));
+                    }
+                }
+                break;
             }
-            result_items.insert(result_items.end(), std::move_iterator(search_page_body_items.begin()), std::move_iterator(search_page_body_items.end()));
         }
     }
 
     SearchResult MangaCombinedSearchPage::search(const std::string &str, BodyItems &result_items) {
-        std::vector<std::pair<MangaPlugin*, std::future<BodyItems>>> search_threads;
+        std::vector<std::pair<MangaPlugin*, AsyncTask<BodyItems>>> search_threads;
         for(auto &search_page : search_pages) {
-            search_threads.push_back(std::make_pair(&search_page, std::async(std::launch::async, [&str, &search_page]() {
+            search_threads.push_back(std::make_pair(&search_page, AsyncTask<BodyItems>([&str, &search_page]() {
                 BodyItems search_page_body_items;
                 search_page.page->search(str, search_page_body_items);
                 return search_page_body_items;
@@ -40,9 +89,9 @@ namespace QuickMedia {
     }
 
     PluginResult MangaCombinedSearchPage::get_page(const std::string &str, int page, BodyItems &result_items) {
-        std::vector<std::pair<MangaPlugin*, std::future<BodyItems>>> search_threads;
+        std::vector<std::pair<MangaPlugin*, AsyncTask<BodyItems>>> search_threads;
         for(auto &search_page : search_pages) {
-            search_threads.push_back(std::make_pair(&search_page, std::async(std::launch::async, [&str, page, &search_page]() {
+            search_threads.push_back(std::make_pair(&search_page, AsyncTask<BodyItems>([&str, page, &search_page]() {
                 BodyItems search_page_body_items;
                 search_page.page->get_page(str, page, search_page_body_items);
                 return search_page_body_items;
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