diff options
Diffstat (limited to 'libdino/src/service/history_sync.vala')
| -rw-r--r-- | libdino/src/service/history_sync.vala | 557 |
1 files changed, 557 insertions, 0 deletions
diff --git a/libdino/src/service/history_sync.vala b/libdino/src/service/history_sync.vala new file mode 100644 index 00000000..92a9e9e4 --- /dev/null +++ b/libdino/src/service/history_sync.vala @@ -0,0 +1,557 @@ +using Gee; + +using Xmpp; +using Xmpp.Xep; +using Dino.Entities; +using Qlite; + +public class Dino.HistorySync { + + private StreamInteractor stream_interactor; + private Database db; + + public HashMap<Account, HashMap<Jid, int>> current_catchup_id = new HashMap<Account, HashMap<Jid, int>>(Account.hash_func, Account.equals_func); + public HashMap<Account, HashMap<string, DateTime>> mam_times = new HashMap<Account, HashMap<string, DateTime>>(); + public HashMap<string, int> hitted_range = new HashMap<string, int>(); + + // Server ID of the latest message of the previous segment + public HashMap<Account, string> catchup_until_id = new HashMap<Account, string>(Account.hash_func, Account.equals_func); + // Time of the latest message of the previous segment + public HashMap<Account, DateTime> catchup_until_time = new HashMap<Account, DateTime>(Account.hash_func, Account.equals_func); + + private HashMap<string, Gee.List<Xmpp.MessageStanza>> stanzas = new HashMap<string, Gee.List<Xmpp.MessageStanza>>(); + + public class HistorySync(Database db, StreamInteractor stream_interactor) { + this.stream_interactor = stream_interactor; + this.db = db; + + stream_interactor.account_added.connect(on_account_added); + + stream_interactor.connection_manager.stream_opened.connect((account, stream) => { + debug("MAM: [%s] Reset catchup_id", account.bare_jid.to_string()); + current_catchup_id.unset(account); + }); + } + + public bool process(Account account, Xmpp.MessageStanza message_stanza) { + var mam_flag = Xmpp.MessageArchiveManagement.MessageFlag.get_flag(message_stanza); + + if (mam_flag != null) { + process_mam_message(account, message_stanza, mam_flag); + return true; + } else { + update_latest_db_range(account, message_stanza); + return false; + } + } + + public void update_latest_db_range(Account account, Xmpp.MessageStanza message_stanza) { + Jid mam_server = stream_interactor.get_module(MucManager.IDENTITY).might_be_groupchat(message_stanza.from, account) ? message_stanza.from.bare_jid : account.bare_jid; + + if (!current_catchup_id.has_key(account) || !current_catchup_id[account].has_key(mam_server)) return; + + string? stanza_id = UniqueStableStanzaIDs.get_stanza_id(message_stanza, mam_server); + if (stanza_id == null) return; + + db.mam_catchup.update() + .with(db.mam_catchup.id, "=", current_catchup_id[account][mam_server]) + .set(db.mam_catchup.to_time, (long)new DateTime.now_utc().to_unix()) + .set(db.mam_catchup.to_id, stanza_id) + .perform(); + } + + public void process_mam_message(Account account, Xmpp.MessageStanza message_stanza, Xmpp.MessageArchiveManagement.MessageFlag mam_flag) { + Jid mam_server = mam_flag.sender_jid; + Jid message_author = message_stanza.from; + + // MUC servers may only send MAM messages from that MUC + bool is_muc_mam = stream_interactor.get_module(MucManager.IDENTITY).might_be_groupchat(mam_server, account) && + message_author.equals_bare(mam_server); + + bool from_our_server = mam_server.equals_bare(account.bare_jid); + + if (!is_muc_mam && !from_our_server) { + warning("Received alleged MAM message from %s, ignoring", mam_server.to_string()); + return; + } + + if (!stanzas.has_key(mam_flag.query_id)) stanzas[mam_flag.query_id] = new ArrayList<Xmpp.MessageStanza>(); + stanzas[mam_flag.query_id].add(message_stanza); + + print(@"[$(message_stanza.from)] qid $(mam_flag.query_id) time $(mam_flag.server_time) $(mam_flag.mam_id) $(message_stanza.body ?? "[none]")\n"); + } + + private void on_unprocessed_message(Account account, XmppStream stream, MessageStanza message) { + // Check that it's a legit MAM server + bool is_muc_mam = stream_interactor.get_module(MucManager.IDENTITY).might_be_groupchat(message.from, account); + bool from_our_server = message.from.equals_bare(account.bare_jid); + if (!is_muc_mam && !from_our_server) return; + + // Get the server time of the message and store it in `mam_times` + Xmpp.MessageArchiveManagement.Flag? mam_flag = stream != null ? stream.get_flag(Xmpp.MessageArchiveManagement.Flag.IDENTITY) : null; + if (mam_flag == null) return; + string? id = message.stanza.get_deep_attribute(mam_flag.ns_ver + ":result", "id"); + if (id == null) return; + StanzaNode? delay_node = message.stanza.get_deep_subnode(mam_flag.ns_ver + ":result", StanzaForwarding.NS_URI + ":forwarded", DelayedDelivery.NS_URI + ":delay"); + if (delay_node == null) { + warning("MAM result did not contain delayed time %s", message.stanza.to_string()); + return; + } + DateTime? time = DelayedDelivery.get_time_for_node(delay_node); + if (time == null) return; + mam_times[account][id] = time; + + // Check if this is the target message + string? query_id = message.stanza.get_deep_attribute(mam_flag.ns_ver + ":result", mam_flag.ns_ver + ":queryid"); + if (query_id != null && id == catchup_until_id[account]) { + debug("MAM: [%s] Hitted range (id) %s", account.bare_jid.to_string(), id); + hitted_range[query_id] = -2; + } + } + + public void on_server_id_duplicate(Account account, Xmpp.MessageStanza message_stanza, Entities.Message message) { + Xmpp.MessageArchiveManagement.MessageFlag? mam_flag = Xmpp.MessageArchiveManagement.MessageFlag.get_flag(message_stanza); + if (mam_flag == null) return; + +// debug(@"MAM: [%s] Hitted range duplicate server id. id %s qid %s", account.bare_jid.to_string(), message.server_id, mam_flag.query_id); + if (catchup_until_time.has_key(account) && mam_flag.server_time.compare(catchup_until_time[account]) < 0) { + hitted_range[mam_flag.query_id] = -1; +// debug(@"MAM: [%s] In range (time) %s < %s", account.bare_jid.to_string(), mam_flag.server_time.to_string(), catchup_until_time[account].to_string()); + } + } + + public async void fetch_everything(Account account, Jid mam_server, DateTime until_earliest_time = new DateTime.from_unix_utc(0)) { + print(@"Fetch everything for $(mam_server) %s\n".printf(until_earliest_time != null ? @"(until $until_earliest_time)" : "")); + RowOption latest_row_opt = db.mam_catchup.select() + .with(db.mam_catchup.account_id, "=", account.id) + .with(db.mam_catchup.server_jid, "=", mam_server.to_string()) + .with(db.mam_catchup.to_time, ">=", (long) until_earliest_time.to_unix()) + .order_by(db.mam_catchup.to_time, "DESC") + .single().row(); + Row? latest_row = latest_row_opt.is_present() ? latest_row_opt.inner : null; + + Row? new_row = yield fetch_latest_page(account, mam_server, latest_row, until_earliest_time); + + if (new_row != null) { + current_catchup_id[account][mam_server] = new_row[db.mam_catchup.id]; + } else if (latest_row != null) { + current_catchup_id[account][mam_server] = latest_row[db.mam_catchup.id]; + } + + // Set the previous and current row + print(@"$(new_row == null) $(latest_row == null)\n"); + Row? previous_row = null; + Row? current_row = null; + if (new_row != null) { + print(@"Fetch everything $(mam_server) a\n"); + current_row = new_row; + previous_row = latest_row; + } else if (latest_row != null) { + print(@"Fetch everything $(mam_server) b\n"); + current_row = latest_row; + RowOption previous_row_opt = db.mam_catchup.select() + .with(db.mam_catchup.account_id, "=", account.id) + .with(db.mam_catchup.server_jid, "=", mam_server.to_string()) + .with(db.mam_catchup.to_time, "<", current_row[db.mam_catchup.from_time]) + .with(db.mam_catchup.to_time, ">=", (long) until_earliest_time.to_unix()) + .order_by(db.mam_catchup.to_time, "DESC") + .single().row(); + previous_row = previous_row_opt.is_present() ? previous_row_opt.inner : null; + } + + print(@"Fetch everything $(mam_server) c $(current_row == null) $(previous_row == null)\n"); + // Fetch messages between two db ranges and merge them + while (current_row != null && previous_row != null) { + if (current_row[db.mam_catchup.from_end]) return; + + print("FETCH BETWEEN RANGES\n"); + current_row = yield fetch_between_ranges(account, mam_server, previous_row, current_row); + if (current_row == null) return; + + RowOption previous_row_opt = db.mam_catchup.select() + .with(db.mam_catchup.account_id, "=", account.id) + .with(db.mam_catchup.server_jid, "=", mam_server.to_string()) + .with(db.mam_catchup.to_time, "<", current_row[db.mam_catchup.from_time]) + .with(db.mam_catchup.to_time, ">=", (long) until_earliest_time.to_unix()) + .order_by(db.mam_catchup.to_time, "DESC") + .single().row(); + previous_row = previous_row_opt.is_present() ? previous_row_opt.inner : null; + } + + // We're at the earliest range. Try to expand it even further back. + if (current_row == null || current_row[db.mam_catchup.from_end]) return; + // We don't want to fetch before the earliest range over and over again in MUCs if it's after until_earliest_time. + // For now, don't query if we are within a week of until_earliest_time + if (until_earliest_time != null && + current_row[db.mam_catchup.from_time] > until_earliest_time.add(-TimeSpan.DAY * 7).to_unix()) return; + print("FETCH BEFORE RANGE\n"); + yield fetch_before_range(account, mam_server, current_row, until_earliest_time); + } + + // Fetches the latest page (up to previous db row). Extends the previous db row if it was reached, creates a new row otherwise. + public async Row? fetch_latest_page(Account account, Jid mam_server, Row? latest_row, DateTime? until_earliest_time) { + debug("MAM: [%s | %s] Fetching latest page", mam_server.to_string(), mam_server.to_string()); + + int latest_row_id = -1; + DateTime latest_message_time = until_earliest_time; + string? latest_message_id = null; + + if (latest_row != null) { + latest_row_id = latest_row[db.mam_catchup.id]; + latest_message_time = (new DateTime.from_unix_utc(latest_row[db.mam_catchup.to_time])).add_minutes(-5); + print(@"latest msg time $latest_message_time\n"); + latest_message_id = latest_row[db.mam_catchup.to_id]; + + // Make sure we only fetch to until_earliest_time if latest_message_time is further back + if (until_earliest_time != null && latest_message_time.compare(until_earliest_time) < 0) { + latest_message_time = until_earliest_time.add_minutes(-5); + latest_message_id = null; + } + } + + var query_params = new Xmpp.MessageArchiveManagement.V2.MamQueryParams.query_latest(mam_server, latest_message_time, latest_message_id); + + PageRequestResult page_result = yield get_mam_page(account, query_params, null); + + if (page_result.page_result == PageResult.Error || page_result.page_result == PageResult.Duplicate) { + debug("MAM [%s | %s] Failed fetching latest page %s", mam_server.to_string(), mam_server.to_string(), page_result.page_result.to_string()); + return null; + } + + print(@"MAM result: $(page_result.page_result))\n"); + + // Catchup finished within first page. Update latest db entry. + if (page_result.page_result in new PageResult[] { PageResult.TargetReached, PageResult.NoMoreMessages } && latest_row_id != -1) { + if (page_result.stanzas == null || page_result.stanzas.is_empty) return null; + + string first_mam_id = page_result.query_result.first; + long first_mam_time = (long) mam_times[account][first_mam_id].to_unix(); + + print(@"Updating $mam_server to $first_mam_time, $first_mam_id\n"); + var query = db.mam_catchup.update() + .with(db.mam_catchup.id, "=", latest_row_id) + .set(db.mam_catchup.to_time, first_mam_time) + .set(db.mam_catchup.to_id, first_mam_id); + + if (page_result.page_result == PageResult.NoMoreMessages) { + // If the server doesn't have more messages, store that this range is at its end. + query.set(db.mam_catchup.from_end, true); + } + query.perform(); + return null; + } + + if (page_result.query_result.first == null || page_result.query_result.last == null) { + print(@"from/to id null\n"); + return null; + } + + // Either we need to fetch more pages or this is the first db entry ever + debug("MAM: [%s | %s] Creating new db range for latest page", mam_server.to_string(), mam_server.to_string()); + + string from_id = page_result.query_result.first; + string to_id = page_result.query_result.last; + + if (!mam_times[account].has_key(from_id) || !mam_times[account].has_key(to_id)) { + print(@"Missing from/to id $from_id $to_id\n"); + return null; + } + + long from_time = (long) mam_times[account][from_id].to_unix(); + long to_time = (long) mam_times[account][to_id].to_unix(); + + int new_row_id = (int) db.mam_catchup.insert() + .value(db.mam_catchup.account_id, account.id) + .value(db.mam_catchup.server_jid, mam_server.to_string()) + .value(db.mam_catchup.from_id, from_id) + .value(db.mam_catchup.from_time, from_time) + .value(db.mam_catchup.from_end, false) + .value(db.mam_catchup.to_id, to_id) + .value(db.mam_catchup.to_time, to_time) + .perform(); + return db.mam_catchup.select().with(db.mam_catchup.id, "=", new_row_id).single().row().inner; + } + + /** Fetches messages between the end of `earlier_range` and start of `later_range` + ** Merges the `earlier_range` db row into the `later_range` db row. + ** @return The resulting range comprising `earlier_range`, `later_rage`, and everything in between. null if fetching/merge failed. + **/ + private async Row? fetch_between_ranges(Account account, Jid mam_server, Row earlier_range, Row later_range) { + int later_range_id = (int) later_range[db.mam_catchup.id]; + DateTime earliest_time = new DateTime.from_unix_utc(earlier_range[db.mam_catchup.to_time]); + DateTime latest_time = new DateTime.from_unix_utc(later_range[db.mam_catchup.from_time]); + debug("MAM [%s | %s] Fetching between %s (%s) and %s (%s)", mam_server.to_string(), mam_server.to_string(), earliest_time.to_string(), earlier_range[db.mam_catchup.to_id], latest_time.to_string(), later_range[db.mam_catchup.from_id]); + var query_params = new Xmpp.MessageArchiveManagement.V2.MamQueryParams.query_between(mam_server, + earliest_time, earlier_range[db.mam_catchup.to_id], + latest_time, later_range[db.mam_catchup.from_id]); + + print("fetch between ranges\n"); + PageRequestResult page_result = yield fetch_query(account, query_params, later_range_id); + print(@"page result null? $(page_result == null)\n"); + + if (page_result.page_result == PageResult.TargetReached) { + debug("MAM [%s | %s] Merging range %i into %i", mam_server.to_string(), mam_server.to_string(), earlier_range[db.mam_catchup.id], later_range_id); + // Merge earlier range into later one. + db.mam_catchup.update() + .with(db.mam_catchup.id, "=", later_range_id) + .set(db.mam_catchup.from_time, earlier_range[db.mam_catchup.from_time]) + .set(db.mam_catchup.from_id, earlier_range[db.mam_catchup.from_id]) + .set(db.mam_catchup.from_end, earlier_range[db.mam_catchup.from_end]) + .perform(); + + db.mam_catchup.delete().with(db.mam_catchup.id, "=", earlier_range[db.mam_catchup.id]).perform(); + + // Return the updated version of the later range + return db.mam_catchup.select().with(db.mam_catchup.id, "=", later_range_id).single().row().inner; + } + + return null; + } + + private async void fetch_before_range(Account account, Jid mam_server, Row range, DateTime? until_earliest_time) { + DateTime latest_time = new DateTime.from_unix_utc(range[db.mam_catchup.from_time]); + string latest_id = range[db.mam_catchup.from_id]; + + Xmpp.MessageArchiveManagement.V2.MamQueryParams query_params; + if (until_earliest_time == null) { + query_params = new Xmpp.MessageArchiveManagement.V2.MamQueryParams.query_before(mam_server, latest_time, latest_id); + } else { + query_params = new Xmpp.MessageArchiveManagement.V2.MamQueryParams.query_between( + mam_server, + until_earliest_time, null, + latest_time, latest_id + ); + } + PageRequestResult page_result = yield fetch_query(account, query_params, range[db.mam_catchup.id]); + } + + /** + * Iteratively fetches all pages returned for a query (until a PageResult other than MorePagesAvailable is returned) + * @return The last PageRequestResult result + **/ + private async PageRequestResult fetch_query(Account account, Xmpp.MessageArchiveManagement.V2.MamQueryParams query_params, int db_id) { + print("fetch query\n"); + PageRequestResult? page_result = null; + do { + page_result = yield get_mam_page(account, query_params, page_result); + print(@"page result $(page_result.page_result) $(page_result.stanzas == null)\n"); + + if (page_result.page_result == PageResult.Error || page_result.stanzas == null) return page_result; + + string last_mam_id = page_result.query_result.last; + long last_mam_time = (long)mam_times[account][last_mam_id].to_unix(); + + print(@"Updating $(query_params.mam_server) to $last_mam_time, $last_mam_id\n"); + var query = db.mam_catchup.update() + .with(db.mam_catchup.id, "=", db_id) + .set(db.mam_catchup.from_time, last_mam_time) + .set(db.mam_catchup.from_id, last_mam_id); + + if (page_result.page_result == PageResult.NoMoreMessages) { + // If the server doesn't have more messages, store that this range is at its end. + print("no more message\n"); + query.set(db.mam_catchup.from_end, true); + } + query.perform(); + } while (page_result.page_result == PageResult.MorePagesAvailable); + + print(@"page result 2 $(page_result.page_result)\n"); + return page_result; + } + + enum PageResult { + MorePagesAvailable, + TargetReached, + NoMoreMessages, + Duplicate, // TODO additional boolean + Error + } + + /** + * prev_page_result: null if this is the first page request + **/ + private async PageRequestResult get_mam_page(Account account, Xmpp.MessageArchiveManagement.V2.MamQueryParams query_params, PageRequestResult? prev_page_result) { + XmppStream stream = stream_interactor.get_stream(account); + Xmpp.MessageArchiveManagement.QueryResult query_result = null; + if (prev_page_result == null) { + query_result = yield Xmpp.MessageArchiveManagement.V2.query_archive(stream, query_params); + } else { + query_result = yield Xmpp.MessageArchiveManagement.V2.page_through_results(stream, query_params, prev_page_result.query_result); + } + return yield process_query_result(account, query_result, query_params.query_id, query_params.start_id); + } + + private async PageRequestResult process_query_result(Account account, Xmpp.MessageArchiveManagement.QueryResult query_result, string query_id, string? after_id) { + PageResult page_result = PageResult.MorePagesAvailable; + + if (query_result.malformed || query_result.error) { + print(@"$(query_result.malformed) $(query_result.error)\n"); + page_result = PageResult.Error; + } + + // We wait until all the messages from the page are processed (and we got the `mam_times` from them) + Idle.add(process_query_result.callback, Priority.LOW); + yield; + + // We might have successfully reached the target or the server doesn't have all messages stored anymore + // If it's the former, we'll overwrite the value with PageResult.MorePagesAvailable below. + if (query_result.complete) { + page_result = PageResult.NoMoreMessages; + } + + string selection = null; + string[] selection_args = {}; + + // Check the server id of all returned messages. Check if we've hit our target (from_id) or got a duplicate. + if (stanzas.has_key(query_id) && !stanzas[query_id].is_empty) { + print(@"$(stanzas.has_key(query_id)) $(!stanzas[query_id].is_empty) looking for $(after_id ?? "")\n"); + foreach (Xmpp.MessageStanza message in stanzas[query_id]) { + Xmpp.MessageArchiveManagement.MessageFlag? mam_message_flag = Xmpp.MessageArchiveManagement.MessageFlag.get_flag(message); + if (mam_message_flag != null && mam_message_flag.mam_id != null) { + if (after_id != null && mam_message_flag.mam_id == after_id) { + // Successfully fetched the whole range + page_result = PageResult.TargetReached; + } + + if (selection != null) selection += " OR "; + selection = @"$(db.message.server_id) = ?"; + } + } + + if (hitted_range.has_key(query_id)) { + // Message got filtered out by xmpp-vala, but succesfull range fetch nevertheless + page_result = PageResult.TargetReached; + } + + int64 duplicates_found = db.message.select().where(selection, selection_args).count(); + if (duplicates_found > 0) { + // We got a duplicate although we thought we have to catch up. + // There was a server bug where prosody would send all messages if it didn't know the after ID that was given + page_result = PageResult.Duplicate; + } + } + + var res = new PageRequestResult() { stanzas=stanzas[query_id], page_result=page_result, query_result=query_result }; + send_messages_back_into_pipeline(account, query_id); + return res; + } + + private void send_messages_back_into_pipeline(Account account, string query_id) { + print(@"send_messages_back_into_pipeline $query_id\n"); + if (!stanzas.has_key(query_id)) return; + + foreach (Xmpp.MessageStanza message in stanzas[query_id]) { + stream_interactor.get_module(MessageProcessor.IDENTITY).run_pipeline_announce.begin(account, message); + } + stanzas.unset(query_id); + print(@"send_messages_back_into_pipeline $query_id done\n"); + } + + private void on_account_added(Account account) { + cleanup_db_ranges(db, account); + + mam_times[account] = new HashMap<string, DateTime>(); + + XmppStream? stream_bak = null; + stream_interactor.module_manager.get_module(account, Xmpp.MessageArchiveManagement.Module.IDENTITY).feature_available.connect( (stream) => { + if (stream == stream_bak) return; + + current_catchup_id[account] = new HashMap<Jid, int>(Jid.hash_func, Jid.equals_func); + stream_bak = stream; + debug("MAM: [%s] MAM available", account.bare_jid.to_string()); + fetch_everything.begin(account, account.bare_jid); + }); + + stream_interactor.module_manager.get_module(account, Xmpp.MessageModule.IDENTITY).received_message_unprocessed.connect((stream, message) => { + on_unprocessed_message(account, stream, message); + }); + } + + public static void cleanup_db_ranges(Database db, Account account) { + var ranges = new HashMap<Jid, ArrayList<MamRange>>(Jid.hash_func, Jid.equals_func); + foreach (Row row in db.mam_catchup.select().with(db.mam_catchup.account_id, "=", account.id)) { + var mam_range = new MamRange(); + mam_range.id = row[db.mam_catchup.id]; + mam_range.server_jid = new Jid(row[db.mam_catchup.server_jid]); + mam_range.from_time = row[db.mam_catchup.from_time]; + mam_range.from_id = row[db.mam_catchup.from_id]; + mam_range.from_end = row[db.mam_catchup.from_end]; + mam_range.to_time = row[db.mam_catchup.to_time]; + mam_range.to_id = row[db.mam_catchup.to_id]; + + if (!ranges.has_key(mam_range.server_jid)) ranges[mam_range.server_jid] = new ArrayList<MamRange>(); + ranges[mam_range.server_jid].add(mam_range); + } + + var to_delete = new ArrayList<MamRange>(); + + foreach (Jid server_jid in ranges.keys) { + foreach (var range1 in ranges[server_jid]) { + if (to_delete.contains(range1)) continue; + + foreach (MamRange range2 in ranges[server_jid]) { + print(@"$(account.bare_jid) | $(server_jid) | $(range1.from_time) - $(range1.to_time) vs $(range2.from_time) - $(range2.to_time)\n"); + if (range1 == range2 || to_delete.contains(range2)) continue; + + // Check if range2 is a subset of range1 + // range1: ##################### + // range2: ###### + if (range1.from_time <= range2.from_time && range1.to_time >= range2.to_time) { + critical(@"MAM: Removing db range which is a subset of another one"); + to_delete.add(range2); + continue; + } + + // Check if range2 is an extension of range1 (towards earlier) + // range1: ##################### + // range2: ############### + if (range1.from_time <= range2.from_time <= range1.to_time && range1.to_time < range2.to_time) { + critical(@"MAM: Removing db range that overlapped another one (towards earlier)"); + db.mam_catchup.update() + .with(db.mam_catchup.id, "=", range1.id) + .set(db.mam_catchup.from_id, range2.to_id) + .set(db.mam_catchup.from_time, range2.to_time) + .set(db.mam_catchup.from_end, range2.from_end) + .perform(); + to_delete.add(range2); + continue; + } + + // Check if range2 is an extension of range1 (towards more current) + // range1: ##################### + // range2: ############### + if (range1.from_time <= range2.from_time <= range1.to_time && range1.to_time < range2.to_time) { + critical(@"MAM: Removing db range that overlapped another one (towards more current)"); + db.mam_catchup.update() + .with(db.mam_catchup.id, "=", range1.id) + .set(db.mam_catchup.to_id, range2.to_id) + .set(db.mam_catchup.to_time, range2.to_time) + .perform(); + to_delete.add(range2); + continue; + } + } + } + } + + foreach (MamRange row in to_delete) { + db.mam_catchup.delete().with(db.mam_catchup.id, "=", row.id).perform(); + } + } + + class MamRange { + public int id; + public Jid server_jid; + public long from_time; + public string from_id; + public bool from_end; + public long to_time; + public string to_id; + } + + class PageRequestResult { + public Gee.List<MessageStanza> stanzas { get; set; } + public PageResult page_result { get; set; } + public Xmpp.MessageArchiveManagement.QueryResult query_result { get; set; } + } +}
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