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+ Mon, 03 Feb 2014 11:52:18 -0800 (PST)\r
+From: Jani Nikula <jani@nikula.org>\r
+To: notmuch@notmuchmail.org\r
+Subject: [PATCH v3 6/6] lib: parse messages only once\r
+Date: Mon, 3 Feb 2014 21:51:46 +0200\r
+Message-Id:\r
+ <31d785c4a3e4b90862a0fdc545d4e900a4c898e2.1391456555.git.jani@nikula.org>\r
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+References: <cover.1391456555.git.jani@nikula.org>\r
+In-Reply-To: <cover.1391456555.git.jani@nikula.org>\r
+References: <cover.1391456555.git.jani@nikula.org>\r
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+\r
+Use the previously parsed gmime message for indexing instead of\r
+running an extra parsing pass.\r
+\r
+After this change, we'll only do unnecessary parsing of the message\r
+body for duplicates and non-messages. For regular non-duplicate\r
+messages, we have now shaved off an extra header parsing round during\r
+indexing.\r
+---\r
+ lib/database.cc | 2 +-\r
+ lib/index.cc | 59 ++++++---------------------------------------------\r
+ lib/message-file.c | 9 ++++++++\r
+ lib/notmuch-private.h | 16 ++++++++++++--\r
+ 4 files changed, 30 insertions(+), 56 deletions(-)\r
+\r
+diff --git a/lib/database.cc b/lib/database.cc\r
+index d1bea88..3a29fe7 100644\r
+--- a/lib/database.cc\r
++++ b/lib/database.cc\r
+@@ -2029,7 +2029,7 @@ notmuch_database_add_message (notmuch_database_t *notmuch,\r
+ date = notmuch_message_file_get_header (message_file, "date");\r
+ _notmuch_message_set_header_values (message, date, from, subject);\r
+ \r
+- ret = _notmuch_message_index_file (message, filename);\r
++ ret = _notmuch_message_index_file (message, message_file);\r
+ if (ret)\r
+ goto DONE;\r
+ } else {\r
+diff --git a/lib/index.cc b/lib/index.cc\r
+index 976e49f..71397da 100644\r
+--- a/lib/index.cc\r
++++ b/lib/index.cc\r
+@@ -425,52 +425,15 @@ _index_mime_part (notmuch_message_t *message,\r
+ \r
+ notmuch_status_t\r
+ _notmuch_message_index_file (notmuch_message_t *message,\r
+- const char *filename)\r
++ notmuch_message_file_t *message_file)\r
+ {\r
+- GMimeStream *stream = NULL;\r
+- GMimeParser *parser = NULL;\r
+- GMimeMessage *mime_message = NULL;\r
++ GMimeMessage *mime_message;\r
+ InternetAddressList *addresses;\r
+- FILE *file = NULL;\r
+ const char *from, *subject;\r
+- notmuch_status_t ret = NOTMUCH_STATUS_SUCCESS;\r
+- static int initialized = 0;\r
+- char from_buf[5];\r
+- bool is_mbox = false;\r
+-\r
+- if (! initialized) {\r
+- g_mime_init (GMIME_ENABLE_RFC2047_WORKAROUNDS);\r
+- initialized = 1;\r
+- }\r
+-\r
+- file = fopen (filename, "r");\r
+- if (! file) {\r
+- fprintf (stderr, "Error opening %s: %s\n", filename, strerror (errno));\r
+- ret = NOTMUCH_STATUS_FILE_ERROR;\r
+- goto DONE;\r
+- }\r
+-\r
+- /* Is this mbox? */\r
+- if (fread (from_buf, sizeof (from_buf), 1, file) == 1 &&\r
+- strncmp (from_buf, "From ", 5) == 0)\r
+- is_mbox = true;\r
+- rewind (file);\r
+-\r
+- /* Evil GMime steals my FILE* here so I won't fclose it. */\r
+- stream = g_mime_stream_file_new (file);\r
+-\r
+- parser = g_mime_parser_new_with_stream (stream);\r
+- g_mime_parser_set_scan_from (parser, is_mbox);\r
+ \r
+- mime_message = g_mime_parser_construct_message (parser);\r
+-\r
+- if (is_mbox) {\r
+- if (!g_mime_parser_eos (parser)) {\r
+- /* This is a multi-message mbox. */\r
+- ret = NOTMUCH_STATUS_FILE_NOT_EMAIL;\r
+- goto DONE;\r
+- }\r
+- }\r
++ mime_message = notmuch_message_file_get_mime_message (message_file);\r
++ if (! mime_message)\r
++ return NOTMUCH_STATUS_FILE_NOT_EMAIL; /* more like internal error */\r
+ \r
+ from = g_mime_message_get_sender (mime_message);\r
+ \r
+@@ -491,15 +454,5 @@ _notmuch_message_index_file (notmuch_message_t *message,\r
+ \r
+ _index_mime_part (message, g_mime_message_get_mime_part (mime_message));\r
+ \r
+- DONE:\r
+- if (mime_message)\r
+- g_object_unref (mime_message);\r
+-\r
+- if (parser)\r
+- g_object_unref (parser);\r
+-\r
+- if (stream)\r
+- g_object_unref (stream);\r
+-\r
+- return ret;\r
++ return NOTMUCH_STATUS_SUCCESS;\r
+ }\r
+diff --git a/lib/message-file.c b/lib/message-file.c\r
+index 33f6468..99e1dc8 100644\r
+--- a/lib/message-file.c\r
++++ b/lib/message-file.c\r
+@@ -250,6 +250,15 @@ mboxes is deprecated and may be removed in the future.\n", message->filename);\r
+ return NOTMUCH_STATUS_SUCCESS;\r
+ }\r
+ \r
++GMimeMessage *\r
++notmuch_message_file_get_mime_message (notmuch_message_file_t *message)\r
++{\r
++ if (! message->parsed)\r
++ return NULL;\r
++\r
++ return message->message;\r
++}\r
++\r
+ /* return NULL on errors, empty string for non-existing headers */\r
+ const char *\r
+ notmuch_message_file_get_header (notmuch_message_file_t *message,\r
+diff --git a/lib/notmuch-private.h b/lib/notmuch-private.h\r
+index 7277df1..7559521 100644\r
+--- a/lib/notmuch-private.h\r
++++ b/lib/notmuch-private.h\r
+@@ -46,6 +46,8 @@ NOTMUCH_BEGIN_DECLS\r
+ \r
+ #include <talloc.h>\r
+ \r
++#include <gmime/gmime.h>\r
++\r
+ #include "xutil.h"\r
+ #include "error_util.h"\r
+ \r
+@@ -320,9 +322,11 @@ notmuch_message_get_author (notmuch_message_t *message);\r
+ \r
+ /* index.cc */\r
+ \r
++typedef struct _notmuch_message_file notmuch_message_file_t;\r
++\r
+ notmuch_status_t\r
+ _notmuch_message_index_file (notmuch_message_t *message,\r
+- const char *filename);\r
++ notmuch_message_file_t *message_file);\r
+ \r
+ /* message-file.c */\r
+ \r
+@@ -330,7 +334,6 @@ _notmuch_message_index_file (notmuch_message_t *message,\r
+ * into the public interface in notmuch.h\r
+ */\r
+ \r
+-typedef struct _notmuch_message_file notmuch_message_file_t;\r
+ \r
+ /* Open a file containing a single email message.\r
+ *\r
+@@ -377,6 +380,15 @@ void\r
+ notmuch_message_file_restrict_headersv (notmuch_message_file_t *message,\r
+ va_list va_headers);\r
+ \r
++/* Get the gmime message of a parsed message file.\r
++ *\r
++ * Returns NULL if the message file has not been parsed.\r
++ *\r
++ * XXX: Would be nice to not have to expose GMimeMessage here.\r
++ */\r
++GMimeMessage *\r
++notmuch_message_file_get_mime_message (notmuch_message_file_t *message);\r
++\r
+ /* Get the value of the specified header from the message as a UTF-8 string.\r
+ *\r
+ * The header name is case insensitive.\r
+-- \r
+1.8.5.2\r
+\r
projects / notmuch-archives.git / commitdiff