show progress while fetching news headers
[claws.git] / src / news.c
index e6b5b0ecf2def3ae4d35cdea4fd22af4dafbef4a..caa76add9831e472e075d738facbc4ab2ca94572 100644 (file)
 #include "prefs_account.h"
 #include "inputdialog.h"
 #include "alertpanel.h"
-#if USE_SSL
+#include "log.h"
+#include "mainwindow.h"
+#include "inc.h"
+#if USE_OPENSSL
 #  include "ssl.h"
 #endif
 
 #define NNTP_PORT      119
-#if USE_SSL
+#if USE_OPENSSL
 #define NNTPS_PORT     563
 #endif
 
@@ -60,7 +63,7 @@ static void news_folder_init           (Folder        *folder,
                                          const gchar   *name,
                                          const gchar   *path);
 
-#if USE_SSL
+#if USE_OPENSSL
 static Session *news_session_new        (const gchar   *server,
                                          gushort        port,
                                          const gchar   *userid,
@@ -104,15 +107,19 @@ static void news_delete_expired_caches     (GSList        *alist,
 static gint news_remove_msg             (Folder        *folder, 
                                          FolderItem    *item, 
                                          gint           num);
-GSList *news_get_num_list               (Folder        *folder, 
-                                         FolderItem    *item);
-MsgInfo *news_fetch_msginfo             (Folder        *folder, 
+gint news_get_num_list                  (Folder        *folder, 
+                                         FolderItem    *item,
+                                         GSList       **list);
+MsgInfo *news_get_msginfo               (Folder        *folder, 
                                          FolderItem    *item,
                                          gint           num);
-GSList *news_fetch_msginfos             (Folder        *folder,
+GSList *news_get_msginfos               (Folder        *folder,
                                          FolderItem    *item,
                                          GSList        *msgnum_list);
 
+gint news_post_stream                   (Folder        *folder, 
+                                         FILE          *fp);
+
 Folder *news_folder_new(const gchar *name, const gchar *path)
 {
        Folder *folder;
@@ -123,8 +130,15 @@ Folder *news_folder_new(const gchar *name, const gchar *path)
        return folder;
 }
 
-void news_folder_destroy(NewsFolder *folder)
+void news_folder_destroy(Folder *folder)
 {
+       gchar *dir;
+
+       dir = folder_get_path(folder);
+       if (is_dir_exist(dir))
+               remove_dir_recursive(dir);
+       g_free(dir);
+
        folder_remote_folder_destroy(REMOTE_FOLDER(folder));
 }
 
@@ -142,13 +156,14 @@ static void news_folder_init(Folder *folder, const gchar *name,
 /*
        folder->scan         = news_scan_group;
 */
+       folder->destroy      = news_folder_destroy;
        folder->remove_msg   = news_remove_msg;
        folder->get_num_list = news_get_num_list;
-       folder->fetch_msginfo = news_fetch_msginfo;
-       folder->fetch_msginfos = news_fetch_msginfos;
+       folder->get_msginfo  = news_get_msginfo;
+       folder->get_msginfos = news_get_msginfos;
 }
 
-#if USE_SSL
+#if USE_OPENSSL
 static Session *news_session_new(const gchar *server, gushort port,
                                 const gchar *userid, const gchar *passwd,
                                 SSLType ssl_type)
@@ -165,7 +180,7 @@ static Session *news_session_new(const gchar *server, gushort port,
 
        log_message(_("creating NNTP connection to %s:%d ...\n"), server, port);
 
-#if USE_SSL
+#if USE_OPENSSL
        if (userid && passwd)
                nntp_sock = nntp_open_auth(server, port, buf, userid, passwd,
                                           ssl_type);
@@ -190,18 +205,21 @@ static Session *news_session_new(const gchar *server, gushort port,
        SESSION(session)->phase            = SESSION_READY;
        SESSION(session)->last_access_time = time(NULL);
        SESSION(session)->data             = NULL;
+
+       SESSION(session)->destroy          = news_session_destroy;
+
        session->group = NULL;
 
        return SESSION(session);
 }
 
-void news_session_destroy(NNTPSession *session)
+void news_session_destroy(Session *session)
 {
-       nntp_close(session->nntp_sock);
-       session->nntp_sock = NULL;
-       SESSION(session)->sock = NULL;
+       nntp_close(NNTP_SESSION(session)->nntp_sock);
+       NNTP_SESSION(session)->nntp_sock = NULL;
+       session->sock = NULL;
 
-       g_free(session->group);
+       g_free(NNTP_SESSION(session)->group);
 }
 
 static Session *news_session_new_for_folder(Folder *folder)
@@ -211,6 +229,7 @@ static Session *news_session_new_for_folder(Folder *folder)
        const gchar *userid = NULL;
        gchar *passwd = NULL;
        gushort port;
+       gchar buf[NNTPBUFSIZE];
 
        g_return_val_if_fail(folder != NULL, NULL);
        g_return_val_if_fail(folder->account != NULL, NULL);
@@ -225,7 +244,7 @@ static Session *news_session_new_for_folder(Folder *folder)
                                                             userid);
        }
 
-#if USE_SSL
+#if USE_OPENSSL
        port = ac->set_nntpport ? ac->nntpport
                : ac->ssl_nntp ? NNTPS_PORT : NNTP_PORT;
        session = news_session_new(ac->nntp_server, port, userid, passwd,
@@ -234,6 +253,8 @@ static Session *news_session_new_for_folder(Folder *folder)
        port = ac->set_nntpport ? ac->nntpport : NNTP_PORT;
        session = news_session_new(ac->nntp_server, port, userid, passwd);
 #endif
+       if (ac->use_nntp_auth && ac->use_nntp_auth_onconnect)
+               nntp_forceauth(NNTP_SESSION(session)->nntp_sock, buf, userid, passwd);
 
        g_free(passwd);
 
@@ -250,20 +271,18 @@ NNTPSession *news_session_get(Folder *folder)
 
        if (!rfolder->session) {
                rfolder->session = news_session_new_for_folder(folder);
-               statusbar_pop_all();
                return NNTP_SESSION(rfolder->session);
        }
 
        if (time(NULL) - rfolder->session->last_access_time < SESSION_TIMEOUT) {
                rfolder->session->last_access_time = time(NULL);
-               statusbar_pop_all();
                return NNTP_SESSION(rfolder->session);
        }
 
        if (nntp_mode(NNTP_SESSION(rfolder->session)->nntp_sock, FALSE)
            != NN_SUCCESS) {
-               log_warning(_("NNTP connection to %s:%d has been"
-                             " disconnected. Reconnecting...\n"),
+               log_warning("NNTP connection to %s:%d has been"
+                             " disconnected. Reconnecting...\n",
                            folder->account->nntp_server,
                            folder->account->set_nntpport ?
                            folder->account->nntpport : NNTP_PORT);
@@ -273,7 +292,6 @@ NNTPSession *news_session_get(Folder *folder)
 
        if (rfolder->session)
                rfolder->session->last_access_time = time(NULL);
-       statusbar_pop_all();
        return NNTP_SESSION(rfolder->session);
 }
 
@@ -325,8 +343,6 @@ GSList *news_get_article_list(Folder *folder, FolderItem *item,
 
        procmsg_set_flags(alist, item);
 
-       statusbar_pop_all();
-
        return alist;
 }
 
@@ -346,7 +362,7 @@ gchar *news_fetch_msg(Folder *folder, FolderItem *item, gint num)
        g_free(path);
 
        if (is_file_exist(filename)) {
-               debug_print(_("article %d has been already cached.\n"), num);
+               debug_print("article %d has been already cached.\n", num);
                return filename;
        }
 
@@ -357,19 +373,17 @@ gchar *news_fetch_msg(Folder *folder, FolderItem *item, gint num)
        }
 
        ok = news_select_group(session, item->path, NULL, NULL, NULL);
-       statusbar_pop_all();
        if (ok != NN_SUCCESS) {
-               g_warning(_("can't select group %s\n"), item->path);
+               g_warning("can't select group %s\n", item->path);
                g_free(filename);
                return NULL;
        }
 
-       debug_print(_("getting article %d...\n"), num);
+       debug_print("getting article %d...\n", num);
        ok = news_get_article(NNTP_SESSION(REMOTE_FOLDER(folder)->session),
                              num, filename);
-       statusbar_pop_all();
        if (ok < 0) {
-               g_warning(_("can't read article %d\n"), num);
+               g_warning("can't read article %d\n", num);
                g_free(filename);
                return NULL;
        }
@@ -391,7 +405,7 @@ gint news_scan_group(Folder *folder, FolderItem *item)
 
        ok = news_select_group(session, item->path, &num, &first, &last);
        if (ok != NN_SUCCESS) {
-               log_warning(_("can't set group: %s\n"), item->path);
+               log_warning("can't set group: %s\n", item->path);
                return -1;
        }
 
@@ -413,10 +427,6 @@ gint news_scan_group(Folder *folder, FolderItem *item)
        else {
                if (min < first)
                        min = first;
-               else if (first < min) {
-                       num -= min - first;
-                       first = min;
-               }
 
                if (last < max)
                        max = last;
@@ -491,12 +501,10 @@ GSList *news_get_group_list(Folder *folder)
 
                if (nntp_list(session->nntp_sock) != NN_SUCCESS) {
                        g_free(filename);
-                       statusbar_pop_all();
                        return NULL;
                }
-               statusbar_pop_all();
                if (recv_write_to_file(SESSION(session)->sock, filename) < 0) {
-                       log_warning(_("can't retrieve newsgroup list\n"));
+                       log_warning("can't retrieve newsgroup list\n");
                        session_destroy(SESSION(session));
                        REMOTE_FOLDER(folder)->session = NULL;
                        g_free(filename);
@@ -542,8 +550,6 @@ GSList *news_get_group_list(Folder *folder)
 
        list = g_slist_sort(list, (GCompareFunc)news_group_info_compare);
 
-       statusbar_pop_all();
-
        return list;
 }
 
@@ -578,7 +584,6 @@ void news_remove_group_list_cache(Folder *folder)
 
 gint news_post(Folder *folder, const gchar *file)
 {
-       NNTPSession *session;
        FILE *fp;
        gint ok;
 
@@ -586,24 +591,36 @@ gint news_post(Folder *folder, const gchar *file)
        g_return_val_if_fail(folder->type == F_NEWS, -1);
        g_return_val_if_fail(file != NULL, -1);
 
-       session = news_session_get(folder);
-       if (!session) return -1;
-
        if ((fp = fopen(file, "rb")) == NULL) {
                FILE_OP_ERROR(file, "fopen");
                return -1;
        }
 
+       ok = news_post_stream(folder, fp);
+
+       fclose(fp);
+
+       return ok;
+}
+
+gint news_post_stream(Folder *folder, FILE *fp)
+{
+       NNTPSession *session;
+       gint ok;
+
+       g_return_val_if_fail(folder != NULL, -1);
+       g_return_val_if_fail(folder->type == F_NEWS, -1);
+       g_return_val_if_fail(fp != NULL, -1);
+
+       session = news_session_get(folder);
+       if (!session) return -1;
+
        ok = nntp_post(session->nntp_sock, fp);
        if (ok != NN_SUCCESS) {
-               log_warning(_("can't post article.\n"));
+               log_warning("can't post article.\n");
                return -1;
        }
 
-       fclose(fp);
-
-       statusbar_pop_all();
-
        return 0;
 }
 
@@ -620,7 +637,7 @@ static gint news_get_article_cmd(NNTPSession *session, const gchar *cmd,
        g_free(msgid);
 
        if (recv_write_to_file(session->nntp_sock->sock, filename) < 0) {
-               log_warning(_("can't retrieve article %d\n"), num);
+               log_warning("can't retrieve article %d\n", num);
                return -1;
        }
 
@@ -633,7 +650,7 @@ static gint news_remove_msg(Folder *folder, FolderItem *item, gint num)
        gint r;
 
        dir = folder_item_get_path(item);
-       printf("removing %d in %s\n",num,dir);
+       debug_print("news_remove_msg: removing msg %d in %s\n",num,dir);
        r = remove_numbered_files(dir, num, num);
        g_free(dir);
 
@@ -703,13 +720,13 @@ static GSList *news_get_uncached_articles(NNTPSession *session,
 
        ok = news_select_group(session, item->path, &num, &first, &last);
        if (ok != NN_SUCCESS) {
-               log_warning(_("can't set group: %s\n"), item->path);
+               log_warning("can't set group: %s\n", item->path);
                return NULL;
        }
 
        /* calculate getting overview range */
        if (first > last) {
-               log_warning(_("invalid article range: %d - %d\n"),
+               log_warning("invalid article range: %d - %d\n",
                            first, last);
                return NULL;
        }
@@ -722,7 +739,7 @@ static GSList *news_get_uncached_articles(NNTPSession *session,
        else if (last < cache_last)
                begin = first;
        else if (last == cache_last) {
-               debug_print(_("no new articles.\n"));
+               debug_print("no new articles.\n");
                return NULL;
        } else
                begin = cache_last + 1;
@@ -735,13 +752,13 @@ static GSList *news_get_uncached_articles(NNTPSession *session,
        log_message(_("getting xover %d - %d in %s...\n"),
                    begin, end, item->path);
        if (nntp_xover(session->nntp_sock, begin, end) != NN_SUCCESS) {
-               log_warning(_("can't get xover\n"));
+               log_warning("can't get xover\n");
                return NULL;
        }
 
        for (;;) {
                if (sock_gets(SESSION(session)->sock, buf, sizeof(buf)) < 0) {
-                       log_warning(_("error occurred while getting xover.\n"));
+                       log_warning("error occurred while getting xover.\n");
                        return newlist;
                }
 
@@ -749,7 +766,7 @@ static GSList *news_get_uncached_articles(NNTPSession *session,
 
                msginfo = news_parse_xover(buf);
                if (!msginfo) {
-                       log_warning(_("invalid xover line: %s\n"), buf);
+                       log_warning("invalid xover line: %s\n", buf);
                        continue;
                }
 
@@ -767,7 +784,7 @@ static GSList *news_get_uncached_articles(NNTPSession *session,
        }
 
        if (nntp_xhdr(session->nntp_sock, "to", begin, end) != NN_SUCCESS) {
-               log_warning(_("can't get xhdr\n"));
+               log_warning("can't get xhdr\n");
                return newlist;
        }
 
@@ -775,7 +792,7 @@ static GSList *news_get_uncached_articles(NNTPSession *session,
 
        for (;;) {
                if (sock_gets(SESSION(session)->sock, buf, sizeof(buf)) < 0) {
-                       log_warning(_("error occurred while getting xhdr.\n"));
+                       log_warning("error occurred while getting xhdr.\n");
                        return newlist;
                }
 
@@ -792,7 +809,7 @@ static GSList *news_get_uncached_articles(NNTPSession *session,
        }
 
        if (nntp_xhdr(session->nntp_sock, "cc", begin, end) != NN_SUCCESS) {
-               log_warning(_("can't get xhdr\n"));
+               log_warning("can't get xhdr\n");
                return newlist;
        }
 
@@ -800,7 +817,7 @@ static GSList *news_get_uncached_articles(NNTPSession *session,
 
        for (;;) {
                if (sock_gets(SESSION(session)->sock, buf, sizeof(buf)) < 0) {
-                       log_warning(_("error occurred while getting xhdr.\n"));
+                       log_warning("error occurred while getting xhdr.\n");
                        return newlist;
                }
 
@@ -1000,7 +1017,7 @@ gint news_cancel_article(Folder * folder, MsgInfo * msginfo)
        }
        if (change_file_mode_rw(tmpfp, tmp) < 0) {
                FILE_OP_ERROR(tmp, "chmod");
-               g_warning(_("can't change file mode\n"));
+               g_warning("can't change file mode\n");
        }
        
        fprintf(tmpfp, "From: %s\r\n", msginfo->from);
@@ -1024,35 +1041,42 @@ gint news_cancel_article(Folder * folder, MsgInfo * msginfo)
        return 0;
 }
 
-GSList *news_get_num_list(Folder *folder, FolderItem *item)
+gint news_get_num_list(Folder *folder, FolderItem *item, GSList **msgnum_list)
 {
        NNTPSession *session;
-       gint i, ok, num, first, last;
-       GSList *msgnum_list = NULL;
+       gint i, ok, num, first, last, nummsgs = 0;
+       gchar *dir;
+
+       g_return_val_if_fail(item != NULL, -1);
+       g_return_val_if_fail(item->folder != NULL, -1);
+       g_return_val_if_fail(item->folder->type == F_NEWS, -1);
 
        session = news_session_get(folder);
-       g_return_val_if_fail(session != NULL, NULL);
-       g_return_val_if_fail(item != NULL, NULL);
-       g_return_val_if_fail(item->folder != NULL, NULL);
-       g_return_val_if_fail(item->folder->type == F_NEWS, NULL);
+       g_return_val_if_fail(session != NULL, -1);
 
        ok = news_select_group(session, item->path, &num, &first, &last);
        if (ok != NN_SUCCESS) {
                log_warning(_("can't set group: %s\n"), item->path);
-               return NULL;
+               return -1;
        }
 
        if(last < first) {
                log_warning(_("invalid article range: %d - %d\n"),
                            first, last);
-               return NULL;
+               return 0;
        }
 
        for(i = first; i <= last; i++) {
-               msgnum_list = g_slist_prepend(msgnum_list, GINT_TO_POINTER(i));
+               *msgnum_list = g_slist_prepend(*msgnum_list, GINT_TO_POINTER(i));
+               nummsgs++;
        }
 
-       return msgnum_list;
+       dir = folder_item_get_path(item);
+       debug_print("removing old messages from %d to %d in %s\n", first, last, dir);
+       remove_numbered_files(dir, 1, first - 1);
+       g_free(dir);
+
+       return nummsgs;
 }
 
 #define READ_TO_LISTEND(hdr) \
@@ -1063,7 +1087,7 @@ GSList *news_get_num_list(Folder *folder, FolderItem *item)
                } \
        }
 
-MsgInfo *news_fetch_msginfo(Folder *folder, FolderItem *item, gint num)
+MsgInfo *news_get_msginfo(Folder *folder, FolderItem *item, gint num)
 {
        NNTPSession *session;
        MsgInfo *msginfo = NULL;
@@ -1133,7 +1157,47 @@ MsgInfo *news_fetch_msginfo(Folder *folder, FolderItem *item, gint num)
        return msginfo;
 }
 
-static GSList *news_fetch_msginfo_from_to(NNTPSession *session, FolderItem *item, guint begin, guint end)
+/*!
+ *\brief       Set/reset/update progressbar, max. 10 redraws/second
+ *
+ *\param       action What to do with the statusbar
+ *                     = 0 : Reset to zero
+ *                     < 0 : Init maximum to -(action)
+ *                     > 0 : Increase by (action)
+ */
+void news_doprogress(glong action) {
+       static glong curcount=0;
+       static glong maxval;
+       static MainWindow *mainwin=0;
+       static struct timeval tv_prev, tv_cur;
+       
+       if (!mainwin)
+               mainwin = mainwindow_get_mainwindow();
+       g_return_if_fail(mainwin);
+
+       if (action < 0)
+               maxval = -action;
+       else if (action == 0) {
+               curcount=0;
+               gtk_progress_bar_update(
+                       GTK_PROGRESS_BAR(mainwin->progressbar), 0.0);
+       } else {
+               curcount += action;
+               gettimeofday(&tv_cur, NULL);
+               if (!(tv_cur.tv_sec - tv_prev.tv_sec > 0 ||
+                       tv_cur.tv_usec - tv_prev.tv_usec > 100)
+                   || !maxval)
+                       return;
+
+               gtk_progress_bar_update(
+                       GTK_PROGRESS_BAR(mainwin->progressbar),
+                       (float)curcount/maxval);
+               while (gtk_events_pending()) gtk_main_iteration ();
+               gettimeofday(&tv_prev, NULL);
+       }
+}
+
+static GSList *news_get_msginfos_for_range(NNTPSession *session, FolderItem *item, guint begin, guint end)
 {
        gchar buf[NNTPBUFSIZE];
        GSList *newlist = NULL;
@@ -1143,18 +1207,22 @@ static GSList *news_fetch_msginfo_from_to(NNTPSession *session, FolderItem *item
        g_return_val_if_fail(session != NULL, NULL);
        g_return_val_if_fail(item != NULL, NULL);
 
+       inc_lock();
        log_message(_("getting xover %d - %d in %s...\n"),
                    begin, end, item->path);
        if (nntp_xover(session->nntp_sock, begin, end) != NN_SUCCESS) {
                log_warning(_("can't get xover\n"));
-               return NULL;
+               goto unlock_leave;
        }
 
+       news_doprogress(-3*(end-begin));
+       statusbar_print_all(_("Getting overview (%d articles)..."),end-begin);
        for (;;) {
                if (sock_gets(SESSION(session)->sock, buf, sizeof(buf)) < 0) {
                        log_warning(_("error occurred while getting xover.\n"));
-                       return newlist;
+                       goto unlock_leave;
                }
+               news_doprogress(1);
 
                if (buf[0] == '.' && buf[1] == '\r') break;
 
@@ -1179,16 +1247,19 @@ static GSList *news_fetch_msginfo_from_to(NNTPSession *session, FolderItem *item
 
        if (nntp_xhdr(session->nntp_sock, "to", begin, end) != NN_SUCCESS) {
                log_warning(_("can't get xhdr\n"));
-               return newlist;
+                       goto unlock_leave;
        }
 
        llast = newlist;
 
+       statusbar_pop_all();
+       statusbar_print_all(_("Getting headers (%d articles)..."),end-begin);
        for (;;) {
                if (sock_gets(SESSION(session)->sock, buf, sizeof(buf)) < 0) {
                        log_warning(_("error occurred while getting xhdr.\n"));
-                       return newlist;
+                       goto unlock_leave;
                }
+               news_doprogress(1);
 
                if (buf[0] == '.' && buf[1] == '\r') break;
                if (!llast) {
@@ -1204,16 +1275,19 @@ static GSList *news_fetch_msginfo_from_to(NNTPSession *session, FolderItem *item
 
        if (nntp_xhdr(session->nntp_sock, "cc", begin, end) != NN_SUCCESS) {
                log_warning(_("can't get xhdr\n"));
-               return newlist;
+               goto unlock_leave;
        }
 
        llast = newlist;
 
+       statusbar_pop_all();
+       statusbar_print_all(_("Getting crossposted articles (%d messages)..."),end-begin);
        for (;;) {
                if (sock_gets(SESSION(session)->sock, buf, sizeof(buf)) < 0) {
                        log_warning(_("error occurred while getting xhdr.\n"));
-                       return newlist;
+                       goto unlock_leave;
                }
+               news_doprogress(1);
 
                if (buf[0] == '.' && buf[1] == '\r') break;
                if (!llast) {
@@ -1227,6 +1301,10 @@ static GSList *news_fetch_msginfo_from_to(NNTPSession *session, FolderItem *item
                llast = llast->next;
        }
 
+unlock_leave:
+       news_doprogress(0);
+       statusbar_pop_all();
+       inc_unlock();
        return newlist;
 }
 
@@ -1235,7 +1313,7 @@ gint news_fetch_msgnum_sort(gconstpointer a, gconstpointer b)
        return (GPOINTER_TO_INT(a) - GPOINTER_TO_INT(b));
 }
 
-GSList *news_fetch_msginfos(Folder *folder, FolderItem *item, GSList *msgnum_list)
+GSList *news_get_msginfos(Folder *folder, FolderItem *item, GSList *msgnum_list)
 {
        NNTPSession *session;
        GSList *elem, *msginfo_list = NULL, *tmp_msgnum_list, *tmp_msginfo_list;
@@ -1257,13 +1335,13 @@ GSList *news_fetch_msginfos(Folder *folder, FolderItem *item, GSList *msgnum_lis
        for(elem = g_slist_next(tmp_msgnum_list); elem != NULL; elem = g_slist_next(elem)) {
                next = GPOINTER_TO_INT(elem->data);
                if(next != (last + 1)) {
-                       tmp_msginfo_list = news_fetch_msginfo_from_to(session, item, first, last);
+                       tmp_msginfo_list = news_get_msginfos_for_range(session, item, first, last);
                        msginfo_list = g_slist_concat(msginfo_list, tmp_msginfo_list);
                        first = next;
                }
                last = next;
        }
-       tmp_msginfo_list = news_fetch_msginfo_from_to(session, item, first, last);
+       tmp_msginfo_list = news_get_msginfos_for_range(session, item, first, last);
        msginfo_list = g_slist_concat(msginfo_list, tmp_msginfo_list);
 
        g_slist_free(tmp_msgnum_list);