Example #1
0
        // zip loader, called from Main() before the web server starts
        public static void LoadFromZip(string path, Storage store)
        {
            // load options
            var optionsFile = path + "/data/options.txt";

            if (File.Exists(optionsFile))
            {
                Log.Info("Opening " + optionsFile);
                using (StreamReader r = new StreamReader(File.OpenRead(optionsFile)))
                {
                    store.Now         = int.Parse(r.ReadLine());
                    store.IsRatingRun = int.Parse(r.ReadLine());
                }
            }
            else
            {
                Log.Error(optionsFile + " is not found");
            }

            // load zipped data
            var zipFile = path + "/data/data.zip";

            if (File.Exists(zipFile))
            {
                Log.Info("Opening " + zipFile);
                var totalAccounts = 0;
                var errorAccounts = 0;
                var fileBuffer    = new byte[20000000];
                using (var file = File.OpenRead(zipFile))
                    using (var zip = new ZipArchive(file, ZipArchiveMode.Read))
                    {
                        foreach (var entry in zip.Entries)
                        {
                            if (entry.Name == "options.txt")
                            {
                                Log.Info("Loading options.txt");
                                using (StreamReader r = new StreamReader(entry.Open()))
                                {
                                    store.Now         = int.Parse(r.ReadLine());
                                    store.IsRatingRun = int.Parse(r.ReadLine());
                                }
                            }
                            else
                            {
                                //Log.Info("Loading " + entry.Name);
                                using (var stream = entry.Open())
                                {
                                    Console.Write('.');
                                    var ms = new MemoryStream(fileBuffer);
                                    stream.CopyTo(ms);

                                    JsonReader reader = new JsonReader(fileBuffer);
                                    if (reader.ReadIsNull() || !reader.ReadIsBeginObject())
                                    {
                                        throw new Exception("Could not read the init json");
                                    }

                                    if (reader.ReadPropertyName() != "accounts")
                                    {
                                        throw new Exception("Unexpected object in init json");
                                    }

                                    // read array members
                                    if (!reader.ReadIsBeginArray())
                                    {
                                        throw new Exception("Array of accounts not found");
                                    }

                                    var fileParseStart = Stats.Watch.Elapsed;
                                    var dto            = DtoAccount.Obtain();
                                    while (true)
                                    {
                                        if (DtoAccount.Parse(ref reader, dto, store))
                                        {
                                            dto.flags = DtoFlags.Init;
                                            // now, add to the storage the account with internal ids/likes
                                            store.InitNewAccout(dto);

                                            totalAccounts++;
                                            dto.Reset();
                                        }
                                        else
                                        {
                                            break;
                                        }
                                        if (!reader.ReadIsValueSeparator())
                                        {
                                            break;
                                        }
                                    }
                                    DtoAccount.Release(dto);
                                    var fileParseEnd = Stats.Watch.Elapsed;
                                    if ((fileParseEnd - fileParseStart).TotalSeconds > 1)
                                    {
                                        Garbage.CollectAll();
                                    }

                                    /*
                                     * else
                                     *  Garbage.Collect0();*/
                                }
                            }
                        }
                    }
                Log.Info("Total accounts loaded: " + totalAccounts + ", " + errorAccounts + " errors found");
                fileBuffer = null;
            }
            else
            {
                Log.Error(zipFile + " not found");
            }
        }
Example #2
0
        // synchronously process the request from requestBuffer, and return statusCode
        public int Process(HttpCtx ctx, int extId)
        {
            var startTime = Stats.Watch.Elapsed;

            // query sanity check
            foreach (var query in ctx.Params)
            {
                var value = query.Value;
                if (value.IsEmpty)
                {
                    return(400);
                }
                if (query.Key != "query_id")
                {
                    // all other parameters are invalid
                    return(400);
                }
            }

            // translate to internal id and check for account existance
            if (!Mapper.ExtIdToIntId(extId, out int id) || !store.All[id])
            {
                return(404);
            }

            // parse Json
            var dto = DtoAccount.Obtain();

            dto.id = id;

            int statusCode = 400;

            try
            {
                JsonReader reader = new JsonReader(ctx.Buffer, ctx.RequestBodyStart);
                if (DtoAccount.Parse(ref reader, dto, store) && dto.flags != 0)
                {
                    // update the account, register post-process action
                    statusCode = store.ValidateUpdateAccount(dto);
                    if (statusCode == 202)
                    {
                        ctx.PostAction = () =>
                        {
                            store.PostUpdateAccount(dto);
                            DtoAccount.Release(dto);
                        }
                    }
                    ;
                }
            }
            catch (Exception)
            {
                // fall through
            }

            // return the borrowed object
            if (ctx.PostAction == null)
            {
                DtoAccount.Release(dto);
            }

            var stopTime = Stats.Watch.Elapsed;

            ctx.ContextType = "PostUpdate";
            return(statusCode);
        }
Example #3
0
        // synchronously process the request from requestBuffer, and return statusCode
        public int Process(HttpCtx ctx, int dummy)
        {
            var startTime = Stats.Watch.Elapsed;

            // path sanity check
            foreach (var query in ctx.Params)
            {
                var value = query.Value;
                if (value.IsEmpty)
                {
                    return(400);
                }
                if (query.Key != "query_id")
                {
                    // all other parameters are invalid
                    return(400);
                }
            }

            // load the body
            if (ctx.RequestBodyStart == ctx.ResponseBodyStart)
            {
                return(400);
            }

            // parse Json and process dto
            var dto        = DtoAccount.Obtain();
            int statusCode = 400;

            try
            {
                JsonReader reader = new JsonReader(ctx.Buffer, ctx.RequestBodyStart);
                if (DtoAccount.Parse(ref reader, dto, store) && dto.flags != 0)
                {
                    // add the new account
                    statusCode = store.ValidateNewAccount(dto);
                    if (statusCode == 201)
                    {
                        ctx.PostAction = () =>
                        {
                            store.PostNewAccount(dto);
                            DtoAccount.Release(dto);
                        }
                    }
                    ;
                }
            }
            catch (Exception)
            {
                // fall through
            }

            // return the borrowed object
            if (ctx.PostAction == null)
            {
                DtoAccount.Release(dto);
            }

            var stopTime = Stats.Watch.Elapsed;

            ctx.ContextType = "PostNew";
            return(statusCode);
        }