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authorJonny Lamb <jonny.lamb@collabora.co.uk>2009-03-03 17:24:19 +0800
committerXavier Claessens <xclaesse@src.gnome.org>2009-03-03 17:24:19 +0800
commitffc2f4b7be9d026b8568d5de040fb3c01d8b46d5 (patch)
treeba38ddcb8acae48bccb76e41351966d68354c000 /libempathy/empathy-log-source-empathy.c
parentad6f2efe337f70726e8415f8e826f2ee8b54066b (diff)
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Started splitting empathy log code from the log manager to make logging more pluggable. (Jonny Lamb)
Signed-off-by: Jonny Lamb <jonny.lamb@collabora.co.uk> svn path=/trunk/; revision=2545
Diffstat (limited to 'libempathy/empathy-log-source-empathy.c')
-rw-r--r--libempathy/empathy-log-source-empathy.c698
1 files changed, 698 insertions, 0 deletions
diff --git a/libempathy/empathy-log-source-empathy.c b/libempathy/empathy-log-source-empathy.c
new file mode 100644
index 000000000..9abd83c4d
--- /dev/null
+++ b/libempathy/empathy-log-source-empathy.c
@@ -0,0 +1,698 @@
+/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
+/*
+ * Copyright (C) 2003-2007 Imendio AB
+ * Copyright (C) 2007-2008 Collabora Ltd.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public
+ * License along with this program; if not, write to the
+ * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ *
+ * Authors: Xavier Claessens <xclaesse@gmail.com>
+ */
+
+#include <config.h>
+
+#include <string.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <glib/gstdio.h>
+
+#include "empathy-log-manager.h"
+#include "empathy-log-source-empathy.h"
+#include "empathy-contact.h"
+#include "empathy-time.h"
+#include "empathy-utils.h"
+
+#define DEBUG_FLAG EMPATHY_DEBUG_OTHER
+#include "empathy-debug.h"
+
+#define LOG_DIR_CREATE_MODE (S_IRUSR | S_IWUSR | S_IXUSR)
+#define LOG_FILE_CREATE_MODE (S_IRUSR | S_IWUSR)
+#define LOG_DIR_CHATROOMS "chatrooms"
+#define LOG_FILENAME_SUFFIX ".log"
+#define LOG_TIME_FORMAT_FULL "%Y%m%dT%H:%M:%S"
+#define LOG_TIME_FORMAT "%Y%m%d"
+#define LOG_HEADER \
+ "<?xml version='1.0' encoding='utf-8'?>\n" \
+ "<?xml-stylesheet type=\"text/xsl\" href=\"empathy-log.xsl\"?>\n" \
+ "<log>\n"
+
+#define LOG_FOOTER \
+ "</log>\n"
+
+static gchar *
+log_source_empathy_get_basedir (void)
+{
+ return g_build_path (G_DIR_SEPARATOR_S,
+ g_get_home_dir (),
+ ".gnome2",
+ PACKAGE_NAME,
+ "logs",
+ NULL);
+}
+
+static gchar *
+log_source_empathy_get_dir (EmpathyLogManager *manager,
+ McAccount *account,
+ const gchar *chat_id,
+ gboolean chatroom)
+{
+ const gchar *account_id;
+ gchar *basedir, *log_dir;
+
+ account_id = mc_account_get_unique_name (account);
+
+ log_dir = log_source_empathy_get_basedir ();
+
+ if (chatroom) {
+ basedir = g_build_path (G_DIR_SEPARATOR_S,
+ log_dir,
+ account_id,
+ LOG_DIR_CHATROOMS,
+ chat_id,
+ NULL);
+ } else {
+ basedir = g_build_path (G_DIR_SEPARATOR_S,
+ log_dir,
+ account_id,
+ chat_id,
+ NULL);
+ }
+
+ g_free (log_dir);
+
+ return basedir;
+}
+
+static gchar *
+log_source_empathy_get_timestamp_filename (void)
+{
+ time_t t;
+ gchar *time_str;
+ gchar *filename;
+
+ t = empathy_time_get_current ();
+ time_str = empathy_time_to_string_local (t, LOG_TIME_FORMAT);
+ filename = g_strconcat (time_str, LOG_FILENAME_SUFFIX, NULL);
+
+ g_free (time_str);
+
+ return filename;
+}
+
+static gchar *
+log_source_empathy_get_timestamp_from_message (EmpathyMessage *message)
+{
+ time_t t;
+
+ t = empathy_message_get_timestamp (message);
+
+ /* We keep the timestamps in the messages as UTC. */
+ return empathy_time_to_string_utc (t, LOG_TIME_FORMAT_FULL);
+}
+
+static gchar *
+log_source_empathy_get_filename (EmpathyLogManager *manager,
+ McAccount *account,
+ const gchar *chat_id,
+ gboolean chatroom)
+{
+ gchar *basedir;
+ gchar *timestamp;
+ gchar *filename;
+
+ basedir = log_source_empathy_get_dir (manager, account, chat_id, chatroom);
+ timestamp = log_source_empathy_get_timestamp_filename ();
+ filename = g_build_filename (basedir, timestamp, NULL);
+
+ g_free (basedir);
+ g_free (timestamp);
+
+ return filename;
+}
+
+static void
+log_source_empathy_add_message (EmpathyLogManager *manager,
+ const gchar *chat_id,
+ gboolean chatroom,
+ EmpathyMessage *message)
+{
+ FILE *file;
+ McAccount *account;
+ EmpathyContact *sender;
+ const gchar *body_str;
+ const gchar *str;
+ EmpathyAvatar *avatar;
+ gchar *avatar_token = NULL;
+ gchar *filename;
+ gchar *basedir;
+ gchar *body;
+ gchar *timestamp;
+ gchar *contact_name;
+ gchar *contact_id;
+ TpChannelTextMessageType msg_type;
+
+ g_return_if_fail (EMPATHY_IS_LOG_MANAGER (manager));
+ g_return_if_fail (chat_id != NULL);
+ g_return_if_fail (EMPATHY_IS_MESSAGE (message));
+
+ sender = empathy_message_get_sender (message);
+ account = empathy_contact_get_account (sender);
+ body_str = empathy_message_get_body (message);
+ msg_type = empathy_message_get_tptype (message);
+
+ if (G_STR_EMPTY (body_str)) {
+ return;
+ }
+
+ filename = log_source_empathy_get_filename (manager, account, chat_id, chatroom);
+ basedir = g_path_get_dirname (filename);
+ if (!g_file_test (basedir, G_FILE_TEST_EXISTS | G_FILE_TEST_IS_DIR)) {
+ DEBUG ("Creating directory:'%s'", basedir);
+
+ g_mkdir_with_parents (basedir, LOG_DIR_CREATE_MODE);
+ }
+ g_free (basedir);
+
+ DEBUG ("Adding message: '%s' to file: '%s'", body_str, filename);
+
+ if (!g_file_test (filename, G_FILE_TEST_EXISTS)) {
+ file = g_fopen (filename, "w+");
+ if (file) {
+ g_fprintf (file, LOG_HEADER);
+ }
+ g_chmod (filename, LOG_FILE_CREATE_MODE);
+ } else {
+ file = g_fopen (filename, "r+");
+ if (file) {
+ fseek (file, - strlen (LOG_FOOTER), SEEK_END);
+ }
+ }
+
+ body = g_markup_escape_text (body_str, -1);
+ timestamp = log_source_empathy_get_timestamp_from_message (message);
+
+ str = empathy_contact_get_name (sender);
+ contact_name = g_markup_escape_text (str, -1);
+
+ str = empathy_contact_get_id (sender);
+ contact_id = g_markup_escape_text (str, -1);
+
+ avatar = empathy_contact_get_avatar (sender);
+ if (avatar) {
+ avatar_token = g_markup_escape_text (avatar->token, -1);
+ }
+
+ g_fprintf (file,
+ "<message time='%s' id='%s' name='%s' token='%s' isuser='%s' type='%s'>%s</message>\n" LOG_FOOTER,
+ timestamp,
+ contact_id,
+ contact_name,
+ avatar_token ? avatar_token : "",
+ empathy_contact_is_user (sender) ? "true" : "false",
+ empathy_message_type_to_str (msg_type),
+ body);
+
+ fclose (file);
+ g_free (filename);
+ g_free (contact_id);
+ g_free (contact_name);
+ g_free (timestamp);
+ g_free (body);
+ g_free (avatar_token);
+}
+
+static gboolean
+log_source_empathy_exists (EmpathyLogManager *manager,
+ McAccount *account,
+ const gchar *chat_id,
+ gboolean chatroom)
+{
+ gchar *dir;
+ gboolean exists;
+
+ dir = log_source_empathy_get_dir (manager, account, chat_id, chatroom);
+ exists = g_file_test (dir, G_FILE_TEST_EXISTS | G_FILE_TEST_IS_DIR);
+ g_free (dir);
+
+ return exists;
+}
+
+static GList *
+log_source_empathy_get_dates (EmpathyLogManager *manager,
+ McAccount *account,
+ const gchar *chat_id,
+ gboolean chatroom)
+{
+ GList *dates = NULL;
+ gchar *date;
+ gchar *directory;
+ GDir *dir;
+ const gchar *filename;
+ const gchar *p;
+
+ g_return_val_if_fail (EMPATHY_IS_LOG_MANAGER (manager), NULL);
+ g_return_val_if_fail (MC_IS_ACCOUNT (account), NULL);
+ g_return_val_if_fail (chat_id != NULL, NULL);
+
+ directory = log_source_empathy_get_dir (manager, account, chat_id, chatroom);
+ dir = g_dir_open (directory, 0, NULL);
+ if (!dir) {
+ DEBUG ("Could not open directory:'%s'", directory);
+ g_free (directory);
+ return NULL;
+ }
+
+ DEBUG ("Collating a list of dates in:'%s'", directory);
+
+ while ((filename = g_dir_read_name (dir)) != NULL) {
+ if (!g_str_has_suffix (filename, LOG_FILENAME_SUFFIX)) {
+ continue;
+ }
+
+ p = strstr (filename, LOG_FILENAME_SUFFIX);
+ date = g_strndup (filename, p - filename);
+ if (!date) {
+ continue;
+ }
+
+ if (!g_regex_match_simple ("\\d{8}", date, 0, 0)) {
+ continue;
+ }
+
+ dates = g_list_insert_sorted (dates, date, (GCompareFunc) strcmp);
+ }
+
+ g_free (directory);
+ g_dir_close (dir);
+
+ DEBUG ("Parsed %d dates", g_list_length (dates));
+
+ return dates;
+}
+
+static gchar *
+log_source_empathy_get_filename_for_date (EmpathyLogManager *manager,
+ McAccount *account,
+ const gchar *chat_id,
+ gboolean chatroom,
+ const gchar *date)
+{
+ gchar *basedir;
+ gchar *timestamp;
+ gchar *filename;
+
+ basedir = log_source_empathy_get_dir (manager, account, chat_id, chatroom);
+ timestamp = g_strconcat (date, LOG_FILENAME_SUFFIX, NULL);
+ filename = g_build_filename (basedir, timestamp, NULL);
+
+ g_free (basedir);
+ g_free (timestamp);
+
+ return filename;
+}
+
+static EmpathyLogSearchHit *
+log_source_empathy_search_hit_new (EmpathyLogManager *manager,
+ const gchar *filename)
+{
+ EmpathyLogSearchHit *hit;
+ const gchar *account_name;
+ const gchar *end;
+ gchar **strv;
+ guint len;
+
+ if (!g_str_has_suffix (filename, LOG_FILENAME_SUFFIX)) {
+ return NULL;
+ }
+
+ strv = g_strsplit (filename, G_DIR_SEPARATOR_S, -1);
+ len = g_strv_length (strv);
+
+ hit = g_slice_new0 (EmpathyLogSearchHit);
+
+ end = strstr (strv[len-1], LOG_FILENAME_SUFFIX);
+ hit->date = g_strndup (strv[len-1], end - strv[len-1]);
+ hit->chat_id = g_strdup (strv[len-2]);
+ hit->is_chatroom = (strcmp (strv[len-3], LOG_DIR_CHATROOMS) == 0);
+ if (hit->is_chatroom) {
+ account_name = strv[len-4];
+ } else {
+ account_name = strv[len-3];
+ }
+ hit->account = mc_account_lookup (account_name);
+ hit->filename = g_strdup (filename);
+
+ g_strfreev (strv);
+
+ return hit;
+}
+
+static GList *
+log_source_empathy_get_messages_for_file (EmpathyLogManager *manager,
+ const gchar *filename)
+{
+ GList *messages = NULL;
+ xmlParserCtxtPtr ctxt;
+ xmlDocPtr doc;
+ xmlNodePtr log_node;
+ xmlNodePtr node;
+ EmpathyLogSearchHit *hit;
+ McAccount *account;
+
+ g_return_val_if_fail (EMPATHY_IS_LOG_MANAGER (manager), NULL);
+ g_return_val_if_fail (filename != NULL, NULL);
+
+ DEBUG ("Attempting to parse filename:'%s'...", filename);
+
+ if (!g_file_test (filename, G_FILE_TEST_EXISTS)) {
+ DEBUG ("Filename:'%s' does not exist", filename);
+ return NULL;
+ }
+
+ /* Get the account from the filename */
+ hit = log_source_empathy_search_hit_new (manager, filename);
+ account = g_object_ref (hit->account);
+ empathy_log_manager_search_hit_free (hit);
+
+ /* Create parser. */
+ ctxt = xmlNewParserCtxt ();
+
+ /* Parse and validate the file. */
+ doc = xmlCtxtReadFile (ctxt, filename, NULL, 0);
+ if (!doc) {
+ g_warning ("Failed to parse file:'%s'", filename);
+ xmlFreeParserCtxt (ctxt);
+ return NULL;
+ }
+
+ /* The root node, presets. */
+ log_node = xmlDocGetRootElement (doc);
+ if (!log_node) {
+ xmlFreeDoc (doc);
+ xmlFreeParserCtxt (ctxt);
+ return NULL;
+ }
+
+ /* Now get the messages. */
+ for (node = log_node->children; node; node = node->next) {
+ EmpathyMessage *message;
+ EmpathyContact *sender;
+ gchar *time;
+ time_t t;
+ gchar *sender_id;
+ gchar *sender_name;
+ gchar *sender_avatar_token;
+ gchar *body;
+ gchar *is_user_str;
+ gboolean is_user = FALSE;
+ gchar *msg_type_str;
+ TpChannelTextMessageType msg_type = TP_CHANNEL_TEXT_MESSAGE_TYPE_NORMAL;
+
+ if (strcmp (node->name, "message") != 0) {
+ continue;
+ }
+
+ body = xmlNodeGetContent (node);
+ time = xmlGetProp (node, "time");
+ sender_id = xmlGetProp (node, "id");
+ sender_name = xmlGetProp (node, "name");
+ sender_avatar_token = xmlGetProp (node, "token");
+ is_user_str = xmlGetProp (node, "isuser");
+ msg_type_str = xmlGetProp (node, "type");
+
+ if (is_user_str) {
+ is_user = strcmp (is_user_str, "true") == 0;
+ }
+ if (msg_type_str) {
+ msg_type = empathy_message_type_from_str (msg_type_str);
+ }
+
+ t = empathy_time_parse (time);
+
+ sender = empathy_contact_new_full (account, sender_id, sender_name);
+ empathy_contact_set_is_user (sender, is_user);
+ if (!G_STR_EMPTY (sender_avatar_token)) {
+ empathy_contact_load_avatar_cache (sender,
+ sender_avatar_token);
+ }
+
+ message = empathy_message_new (body);
+ empathy_message_set_sender (message, sender);
+ empathy_message_set_timestamp (message, t);
+ empathy_message_set_tptype (message, msg_type);
+
+ messages = g_list_append (messages, message);
+
+ g_object_unref (sender);
+ xmlFree (time);
+ xmlFree (sender_id);
+ xmlFree (sender_name);
+ xmlFree (body);
+ xmlFree (is_user_str);
+ xmlFree (msg_type_str);
+ }
+
+ DEBUG ("Parsed %d messages", g_list_length (messages));
+
+ xmlFreeDoc (doc);
+ xmlFreeParserCtxt (ctxt);
+
+ return messages;
+}
+
+static GList *
+log_source_empathy_get_all_files (EmpathyLogManager *manager,
+ const gchar *dir)
+{
+ GDir *gdir;
+ GList *files = NULL;
+ const gchar *name;
+ gchar *basedir;
+
+ basedir = dir ? g_strdup (dir) : log_source_empathy_get_basedir ();
+
+ gdir = g_dir_open (basedir, 0, NULL);
+ if (!gdir) {
+ g_free (basedir);
+ return NULL;
+ }
+
+ while ((name = g_dir_read_name (gdir)) != NULL) {
+ gchar *filename;
+
+ filename = g_build_filename (basedir, name, NULL);
+ if (g_str_has_suffix (filename, LOG_FILENAME_SUFFIX)) {
+ files = g_list_prepend (files, filename);
+ continue;
+ }
+
+ if (g_file_test (filename, G_FILE_TEST_IS_DIR)) {
+ /* Recursively get all log files */
+ files = g_list_concat (files, log_source_empathy_get_all_files (manager, filename));
+ }
+ g_free (filename);
+ }
+
+ g_dir_close (gdir);
+ g_free (basedir);
+
+ return files;
+}
+
+static GList *
+log_source_empathy_search_new (EmpathyLogManager *manager,
+ const gchar *text)
+{
+ GList *files, *l;
+ GList *hits = NULL;
+ gchar *text_casefold;
+
+ g_return_val_if_fail (EMPATHY_IS_LOG_MANAGER (manager), NULL);
+ g_return_val_if_fail (!G_STR_EMPTY (text), NULL);
+
+ text_casefold = g_utf8_casefold (text, -1);
+
+ files = log_source_empathy_get_all_files (manager, NULL);
+ DEBUG ("Found %d log files in total", g_list_length (files));
+
+ for (l = files; l; l = l->next) {
+ gchar *filename;
+ GMappedFile *file;
+ gsize length;
+ gchar *contents;
+ gchar *contents_casefold;
+
+ filename = l->data;
+
+ file = g_mapped_file_new (filename, FALSE, NULL);
+ if (!file) {
+ continue;
+ }
+
+ length = g_mapped_file_get_length (file);
+ contents = g_mapped_file_get_contents (file);
+ contents_casefold = g_utf8_casefold (contents, length);
+
+ g_mapped_file_free (file);
+
+ if (strstr (contents_casefold, text_casefold)) {
+ EmpathyLogSearchHit *hit;
+
+ hit = log_source_empathy_search_hit_new (manager, filename);
+
+ if (hit) {
+ hits = g_list_prepend (hits, hit);
+ DEBUG ("Found text:'%s' in file:'%s' on date:'%s'",
+ text, hit->filename, hit->date);
+ }
+ }
+
+ g_free (contents_casefold);
+ g_free (filename);
+ }
+ g_list_free (files);
+
+ g_free (text_casefold);
+
+ return hits;
+}
+
+static GList *
+log_source_empathy_get_chats_for_dir (EmpathyLogManager *manager,
+ const gchar *dir,
+ gboolean is_chatroom)
+{
+ GDir *gdir;
+ GList *hits = NULL;
+ const gchar *name;
+
+ gdir = g_dir_open (dir, 0, NULL);
+ if (!gdir) {
+ return NULL;
+ }
+
+ while ((name = g_dir_read_name (gdir)) != NULL) {
+ EmpathyLogSearchHit *hit;
+ gchar *filename;
+
+ filename = g_build_filename (dir, name, NULL);
+ if (strcmp (name, LOG_DIR_CHATROOMS) == 0) {
+ hits = g_list_concat (hits, log_source_empathy_get_chats_for_dir (manager, dir, TRUE));
+ g_free (filename);
+ continue;
+ }
+
+ hit = g_slice_new0 (EmpathyLogSearchHit);
+ hit->chat_id = g_strdup (name);
+ hit->is_chatroom = is_chatroom;
+
+ hits = g_list_prepend (hits, hit);
+ }
+
+ g_dir_close (gdir);
+
+ return hits;
+}
+
+
+static GList *
+log_source_empathy_get_messages_for_date (EmpathyLogManager *manager,
+ McAccount *account,
+ const gchar *chat_id,
+ gboolean chatroom,
+ const gchar *date)
+{
+ gchar *filename;
+ GList *messages;
+
+ g_return_val_if_fail (EMPATHY_IS_LOG_MANAGER (manager), NULL);
+ g_return_val_if_fail (MC_IS_ACCOUNT (account), NULL);
+ g_return_val_if_fail (chat_id != NULL, NULL);
+
+ filename = log_source_empathy_get_filename_for_date (manager, account, chat_id, chatroom, date);
+ messages = log_source_empathy_get_messages_for_file (manager, filename);
+ g_free (filename);
+
+ return messages;
+}
+
+static GList *
+log_source_empathy_get_last_messages (EmpathyLogManager *manager,
+ McAccount *account,
+ const gchar *chat_id,
+ gboolean chatroom)
+{
+ GList *messages = NULL;
+ GList *dates;
+ GList *l;
+
+ g_return_val_if_fail (EMPATHY_IS_LOG_MANAGER (manager), NULL);
+ g_return_val_if_fail (MC_IS_ACCOUNT (account), NULL);
+ g_return_val_if_fail (chat_id != NULL, NULL);
+
+ dates = log_source_empathy_get_dates (manager, account, chat_id, chatroom);
+
+ l = g_list_last (dates);
+ if (l) {
+ messages = log_source_empathy_get_messages_for_date (manager,
+ account,
+ chat_id,
+ chatroom,
+ l->data);
+ }
+
+ g_list_foreach (dates, (GFunc) g_free, NULL);
+ g_list_free (dates);
+
+ return messages;
+}
+
+static GList *
+log_source_empathy_get_chats (EmpathyLogManager *manager,
+ McAccount *account)
+{
+ gchar *basedir;
+ gchar *dir;
+ GList *hits;
+
+ basedir = log_source_empathy_get_basedir ();
+ dir = g_build_filename (basedir,
+ mc_account_get_unique_name (account),
+ NULL);
+ g_free (basedir);
+
+ hits = log_source_empathy_get_chats_for_dir (manager, dir, FALSE);
+
+ g_free (dir);
+
+ return hits;
+}
+
+EmpathyLogSource *
+empathy_log_source_empathy_get_source (void)
+{
+ EmpathyLogSource *source;
+ source = g_slice_new0 (EmpathyLogSource);
+
+ source->exists = log_source_empathy_exists;
+ source->add_message = log_source_empathy_add_message;
+ source->get_dates = log_source_empathy_get_dates;
+ source->get_last_messages = log_source_empathy_get_last_messages;
+ source->get_messages_for_date = log_source_empathy_get_messages_for_date;
+ source->get_chats = log_source_empathy_get_chats;
+ source->search_new = log_source_empathy_search_new;
+
+ return source;
+}