From 5cb1a7b1e62bc4d739bb3234315e6b28c6f87c03 Mon Sep 17 00:00:00 2001 From: Jeffrey Stedfast Date: Thu, 13 Jul 2000 08:28:24 +0000 Subject: New and improved approach to fetching an entire folder summary that should 2000-07-13 Jeffrey Stedfast * providers/imap/camel-imap-folder.c (imap_get_summary): New and improved approach to fetching an entire folder summary that should be much much faster than the old way as it gets the entire folder summary in 1 shot rather than requesting message by message. As with the last update, this version also only fetches the minimum number of header fields. svn path=/trunk/; revision=4141 --- camel/ChangeLog | 9 + camel/providers/imap/camel-imap-folder.c | 276 ++++++++++++------------------- 2 files changed, 119 insertions(+), 166 deletions(-) (limited to 'camel') diff --git a/camel/ChangeLog b/camel/ChangeLog index 61d9eb8261..d2b9d25b71 100644 --- a/camel/ChangeLog +++ b/camel/ChangeLog @@ -1,3 +1,12 @@ +2000-07-13 Jeffrey Stedfast + + * providers/imap/camel-imap-folder.c (imap_get_summary): New + and improved approach to fetching an entire folder summary + that should be much much faster than the old way as it gets + the entire folder summary in 1 shot rather than requesting + message by message. As with the last update, this version + also only fetches the minimum number of header fields. + 2000-07-13 Jeffrey Stedfast * providers/imap/camel-imap-folder.c (imap_get_summary): Don't diff --git a/camel/providers/imap/camel-imap-folder.c b/camel/providers/imap/camel-imap-folder.c index 1964b91799..30e44b0528 100644 --- a/camel/providers/imap/camel-imap-folder.c +++ b/camel/providers/imap/camel-imap-folder.c @@ -994,15 +994,33 @@ get_header_field (gchar *header, gchar *field) static char *header_fields[] = { "subject", "from", "to", "cc", "date", "received", "message-id", "references", "in-reply-to", "" }; +/* + a2 FETCH 1:3 (UID FLAGS BODY[HEADER.FIELDS (FROM SUBJECT)]) + * 1 FETCH (UID 1469 FLAGS (\Seen) BODY[HEADER.FIELDS ("FROM" "SUBJECT")] {87} + From: Joakim Ziegler + Subject: Helix CVS: webroot joakim + + ) + * 2 FETCH (UID 1470 FLAGS (\Seen) BODY[HEADER.FIELDS ("FROM" "SUBJECT")] {87} + From: Joakim Ziegler + Subject: Helix CVS: webroot joakim + + ) + * 3 FETCH (UID 1471 FLAGS (\Seen) BODY[HEADER.FIELDS ("FROM" "SUBJECT")] {87} + From: Joakim Ziegler + Subject: Re: [HC All-hands] helix news + + ) + a2 OK FETCH completed + */ GPtrArray * imap_get_summary (CamelFolder *folder, CamelException *ex) { CamelImapFolder *imap_folder = CAMEL_IMAP_FOLDER (folder); - GPtrArray *array = NULL; - CamelMessageInfo *info; + GPtrArray *summary = NULL, *headers = NULL; gint num, i, j, status = 0; - char *result, *p, *q; + char *result, *p, *q, *node; const char *received; struct _header_raw *h, *tail = NULL; @@ -1011,34 +1029,105 @@ imap_get_summary (CamelFolder *folder, CamelException *ex) num = imap_get_message_count (folder, ex); - array = g_ptr_array_new (); + summary = g_ptr_array_new (); + + status = camel_imap_command_extended (CAMEL_IMAP_STORE (folder->parent_store), folder, + &result, "FETCH 1:%d (UID FLAGS BODY[HEADER.FIELDS " + "(SUBJECT FROM TO CC DATE MESSAGE-ID " + "REFERENCES IN-REPLY-TO)])", num); - for (i = 1; i <= num; i++) { - status = camel_imap_command_extended (CAMEL_IMAP_STORE (folder->parent_store), folder, - &result, "FETCH %d BODY[HEADER.FIELDS " - "(SUBJECT FROM TO CC DATE MESSAGE-ID " - "REFERENCES IN-REPLY-TO)]", i); + if (status != CAMEL_IMAP_OK) { + CamelService *service = CAMEL_SERVICE (folder->parent_store); - if (status != CAMEL_IMAP_OK) { - CamelService *service = CAMEL_SERVICE (folder->parent_store); + camel_exception_setv (ex, CAMEL_EXCEPTION_SERVICE_UNAVAILABLE, + "Could not get summary for %s on IMAP server %s: %s", + folder->full_name, service->url->host, + status == CAMEL_IMAP_ERR ? result : + "Unknown error"); + g_free (result); + + imap_folder->summary = summary; - camel_exception_setv (ex, CAMEL_EXCEPTION_SERVICE_UNAVAILABLE, - "Could not get summary for %s on IMAP server %s: %s", - folder->full_name, service->url->host, - status == CAMEL_IMAP_ERR ? result : - "Unknown error"); - g_free (result); + return summary; + } + + /* create our array of headers from the server response */ + headers = g_ptr_array_new (); + node = result; + for (i = 1; node; i++) { + char *end; + + if ((end = strstr (node + 2, "\n*"))) { + g_ptr_array_add (headers, g_strndup (node, (gint)(end - node))); + } else { + g_ptr_array_add (headers, g_strdup (node)); + } + node = end; + } + if (i < num) { + d(fprintf (stderr, "IMAP server didn't respond with as many headers as we expected...\n")); + /* should we error?? */ + } + + g_free (result); + result = NULL; + + for (i = 0; i < headers->len; i++) { + CamelMessageInfo *info; + char *uid, *flags, *header; + + info = g_malloc0 (sizeof (CamelMessageInfo)); + + /* lets grab the UID... */ + if (!(uid = strstr (headers->pdata[i], "(UID "))) { + d(fprintf (stderr, "We didn't seem to get a uid for %d...\n\n%s\n\n", i, headers->pdata[i])); + g_free (info); break; } + + for (uid += 5; *uid && (*uid < '0' || *uid > '9'); uid++); /* advance to */ + for (q = uid; *q && *q != ')' && *q != ' '; q++); /* find the end of the */ + info->uid = g_strndup (uid, (gint)(q - uid)); + d(fprintf (stderr, "*** info->uid = %s\n", info->uid)); + /* now lets grab the FLAGS */ + if (!(flags = strstr (q, "FLAGS "))) { + d(fprintf (stderr, "We didn't seem to get any flags for %d...\n", i)); + g_free (info->uid); + g_free (info); + break; + } + + for (flags += 6; *flags && *flags != '('; flags++); /* advance to */ + for (q = flags; *q && *q != ')' && *q != ' '; q++); /* find the end of */ + flags = g_strndup (flags, (gint)(q - flags + 1)); + d(fprintf (stderr, "*** info->flags = %s\n", flags)); + + /* now we gotta parse for the flags */ + info->flags = 0; + if (strstr (flags, "\\Seen")) + info->flags |= CAMEL_MESSAGE_SEEN; + if (strstr (flags, "\\Answered")) + info->flags |= CAMEL_MESSAGE_ANSWERED; + if (strstr (flags, "\\Flagged")) + info->flags |= CAMEL_MESSAGE_FLAGGED; + if (strstr (flags, "\\Deleted")) + info->flags |= CAMEL_MESSAGE_DELETED; + if (strstr (flags, "\\Draft")) + info->flags |= CAMEL_MESSAGE_DRAFT; + g_free (flags); + flags = NULL; + /* construct the header list */ + /* fast-forward to beginning of header info... */ + for (header = q; *header && *header != '\n'; header++); h = NULL; for (j = 0; *header_fields[j]; j++) { struct _header_raw *raw; char *field, *value; field = g_strdup_printf ("\n%s:", header_fields[j]); - value = get_header_field (result, field); + value = get_header_field (header, field); g_free (field); if (!value) continue; @@ -1059,7 +1148,6 @@ imap_get_summary (CamelFolder *folder, CamelException *ex) } /* construct the CamelMessageInfo */ - info = g_malloc0 (sizeof (CamelMessageInfo)); info->subject = camel_summary_format_string (h, "subject"); info->from = camel_summary_format_address (h, "from"); info->to = camel_summary_format_address (h, "to"); @@ -1080,8 +1168,6 @@ imap_get_summary (CamelFolder *folder, CamelException *ex) if (info->references == NULL) info->references = header_references_decode (header_raw_find (&h, "in-reply-to", NULL)); - g_free (result); - while (h->next) { struct _header_raw *next = h->next; @@ -1091,154 +1177,12 @@ imap_get_summary (CamelFolder *folder, CamelException *ex) h = next; } - /* now to get the UID */ - status = camel_imap_command_extended (CAMEL_IMAP_STORE (folder->parent_store), folder, - &result, "FETCH %d UID", i); - - if (status != CAMEL_IMAP_OK) { - CamelService *service = CAMEL_SERVICE (folder->parent_store); - - camel_exception_setv (ex, CAMEL_EXCEPTION_SERVICE_UNAVAILABLE, - "Could not get summary for %s on IMAP server %s: %s", - folder->full_name, service->url->host, - status == CAMEL_IMAP_ERR ? result : - "Unknown error"); - g_free (result); - - g_free (info->subject); - g_free (info->from); - g_free (info->to); - g_free (info->cc); - g_free (info->message_id); - header_references_list_clear (&info->references); - g_free (info); - info = NULL; - - break; - } - - if (!result || *result != '*') { - g_free (result); - d(fprintf (stderr, "Warning: UID for message %d not found\n", i)); - - g_free (info->subject); - g_free (info->from); - g_free (info->to); - g_free (info->cc); - g_free (info->message_id); - header_references_list_clear (&info->references); - g_free (info); - info = NULL; - - break; - } - - p = strchr (result, '('); - if (!p || strncasecmp (p + 1, "UID", 3)) { - g_free (result); - d(fprintf (stderr, "Warning: UID for message %d not found\n", i)); - - g_free (info->subject); - g_free (info->from); - g_free (info->to); - g_free (info->cc); - g_free (info->message_id); - header_references_list_clear (&info->references); - g_free (info); - info = NULL; - - break; - } - - for (p += 4; *p && (*p < '0' || *p > '9'); p++); /* advance to */ - for (q = p; *q && *q != ')' && *q != ' '; q++); /* find the end of the */ - info->uid = g_strndup (p, (gint)(q - p)); - d(fprintf (stderr, "*** info->uid = %s\n", info->uid)); - g_free (result); - - /* now to get the flags */ - status = camel_imap_command_extended (CAMEL_IMAP_STORE (folder->parent_store), folder, - &result, "FETCH %d FLAGS", i); - - if (status != CAMEL_IMAP_OK) { - CamelService *service = CAMEL_SERVICE (folder->parent_store); - - camel_exception_setv (ex, CAMEL_EXCEPTION_SERVICE_UNAVAILABLE, - "Could not get summary for %s on IMAP server %s: %s", - folder->full_name, service->url->host, - status == CAMEL_IMAP_ERR ? result : - "Unknown error"); - g_free (result); - - g_free (info->subject); - g_free (info->from); - g_free (info->to); - g_free (info->cc); - g_free (info->message_id); - g_free (info->uid); - header_references_list_clear (&info->references); - g_free (info); - info = NULL; - - break; - } - - if (!result || *result != '*') { - g_free (result); - d(fprintf (stderr, "Warning: FLAGS for message %d not found\n", i)); - - g_free (info->subject); - g_free (info->from); - g_free (info->to); - g_free (info->cc); - g_free (info->message_id); - g_free (info->uid); - header_references_list_clear (&info->references); - g_free (info); - info = NULL; - - break; - } - - p = strchr (result, '(') + 1; - if (strncasecmp (p, "FLAGS", 5)) { - g_free (result); - d(fprintf (stderr, "Warning: FLAGS for message %d not found\n", i)); - - g_free (info->subject); - g_free (info->from); - g_free (info->to); - g_free (info->cc); - g_free (info->message_id); - g_free (info->uid); - header_references_list_clear (&info->references); - g_free (info); - info = NULL; - - break; - } - - /* now we gotta parse for the flags */ - info->flags = 0; - if (strstr (p, "\\Seen")) - info->flags |= CAMEL_MESSAGE_SEEN; - if (strstr (p, "\\Answered")) - info->flags |= CAMEL_MESSAGE_ANSWERED; - if (strstr (p, "\\Flagged")) - info->flags |= CAMEL_MESSAGE_FLAGGED; - if (strstr (p, "\\Deleted")) - info->flags |= CAMEL_MESSAGE_DELETED; - if (strstr (p, "\\Draft")) - info->flags |= CAMEL_MESSAGE_DRAFT; - - g_free (result); - - g_ptr_array_add (array, info); + g_ptr_array_add (summary, info); } - imap_folder->summary = array; + imap_folder->summary = summary; - return array; + return summary; } /* get a single message info, by uid */ -- cgit v1.2.3