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Big performance wins

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This commit is contained in:
Ron Pedde 2005-03-19 10:02:19 +00:00
parent 95eb9caa99
commit adc26c90b4
8 changed files with 155 additions and 1433 deletions
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17
contrib/sqlite.sql
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@ -1,6 +1,12 @@
/*
* $Id$
*
* SQLite database schema
*/
CREATE TABLE songs (
id INTEGER PRIMARY KEY NOT NULL,
path VARCHAR(4096) NOT NULL,
path VARCHAR(4096) UNIQUE NOT NULL,
fname VARCHAR(255) NOT NULL,
title VARCHAR(1024) DEFAULT NULL,
artist VARCHAR(1024) DEFAULT NULL,
@ -34,12 +40,13 @@ CREATE TABLE songs (
time_played INTEGER DEFAULT 0,
db_timestamp INTEGER DEFAULT 0,
disabled INTEGER DEFAULT 0,
updated INTEGER DEFAULT 0,
sample_count INTEGER DEFAULT 0,
force_update INTEGER DEFAULT 0
);
CREATE TABLE config (
term VARCHAR(255) NOT NULL,
subterm VARCHAR(255) DEFAULT NULL,
value VARCHAR(1024) NOT NULL
);
@ -62,10 +69,10 @@ CREATE TABLE users (
name VARCHAR(255) NOT NULL,
password VARCHAR(255) NOT NULL
);
;CREATE INDEX idx_path on songs(path);
INSERT INTO config VALUES ('version','1');
CREATE INDEX idx_path on songs(path);
INSERT INTO config VALUES ('version','','1');
INSERT INTO users VALUES (1,1,'admin','mt-daapd');
INSERT INTO playlists VALUES (1,'Library',1,0,'1');

53
src/db-generic.c
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@ -52,11 +52,11 @@ typedef struct tag_db_functions {
int(*dbs_enum_fetch)(DBQUERYINFO *, unsigned char **);
int(*dbs_enum_reset)(DBQUERYINFO *);
int(*dbs_enum_end)(void);
int(*dbs_get_id)(char *);
int(*dbs_start_scan)(void);
int(*dbs_end_scan)(void);
int(*dbs_get_count)(CountType_t);
MP3FILE*(*dbs_fetch_item)(int);
MP3FILE*(*dbs_fetch_path)(char *);
void(*dbs_dispose_item)(MP3FILE*);
}DB_FUNCTIONS;
@ -75,11 +75,11 @@ DB_FUNCTIONS db_functions[] = {
db_sqlite_enum_fetch,
db_sqlite_enum_reset,
db_sqlite_enum_end,
db_sqlite_get_id,
db_sqlite_start_scan,
db_sqlite_end_scan,
db_sqlite_get_count,
db_sqlite_fetch_item,
db_sqlite_fetch_path,
db_sqlite_dispose_item
},
#endif
@ -423,19 +423,12 @@ int db_scanning(void) {
*/
int db_add(MP3FILE *pmp3) {
int retval;
int id;
id=db_get_id(pmp3->path);
db_writelock();
if(id) {
retval=db_current->dbs_update(pmp3);
} else {
retval=db_current->dbs_add(pmp3);
db_revision_no++;
}
retval=db_current->dbs_add(pmp3);
db_revision_no++;
db_unlock();
return retval;
}
@ -517,6 +510,16 @@ MP3FILE *db_fetch_item(int id) {
return retval;
}
MP3FILE *db_fetch_path(char *path) {
MP3FILE *retval;
db_readlock();
retval=db_current->dbs_fetch_path(path);
db_unlock();
return retval;
}
int db_start_scan(void) {
int retval;
@ -538,33 +541,7 @@ int db_end_scan(void) {
return retval;
}
int db_last_modified(char *path) {
int id;
MP3FILE *pmp3;
int retval=0;
id=db_get_id(path);
pmp3=db_fetch_item(id);
if(pmp3) {
retval=pmp3->db_timestamp;
db_dispose_item(pmp3);
}
return retval;
}
int db_get_id(char *path) {
int retval;
db_readlock();
retval=db_current->dbs_get_id(path);
db_unlock();
return retval;
}
void db_dispose_item(MP3FILE *pmp3) {
return db_current->dbs_dispose_item(pmp3);
}

8
src/db-generic.h
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@ -138,8 +138,12 @@ extern int db_start_scan(void);
extern int db_end_scan(void);
extern int db_exists(char *path);
extern int db_scanning(void);
extern int db_last_modified(char *path);
extern MP3FILE *db_fetch_item(int id);
extern MP3FILE *db_fetch_path(char *path);
/* metatag parsing */
extern MetaField_t db_encode_meta(char *meta);
extern int db_wantsmeta(MetaField_t meta, MetaFieldName_t fieldNo);
@ -155,8 +159,6 @@ extern int db_dmap_add_container(char *where, char *tag, int size);
*/
extern int db_get_song_count(void);
extern int db_get_playlist_count(void);
extern MP3FILE *db_fetch_item(int id);
extern int db_get_id(char *path);
extern void db_dispose_item(MP3FILE *pmp3);
#endif /* _DB_GENERIC_H_ */

1338
src/db-sqlite.c
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File diff suppressed because it is too large Load Diff

155
src/dbs-sqlite.c
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@ -43,6 +43,7 @@ static sqlite *db_sqlite_songs; /**< Database that holds the mp3 info */
static pthread_mutex_t db_sqlite_mutex = PTHREAD_MUTEX_INITIALIZER; /**< sqlite not reentrant */
static sqlite_vm *db_sqlite_pvm;
static int db_sqlite_in_scan=0;
static int db_sqlite_reload=0;
/* Forwards */
int db_sqlite_get_size(DBQUERYINFO *pinfo, char **valarray);
@ -97,9 +98,14 @@ int db_sqlite_open(char *parameters) {
int db_sqlite_init(int reload) {
int err;
char *perr;
int items;
if(reload) {
items=db_sqlite_get_count(countSongs);
if((reload) || (!items)) {
DPRINTF(E_LOG,L_DB,"Full reload...\n");
/* this may or may not fail, depending if the index is already in place */
db_sqlite_reload=1;
db_sqlite_lock();
sqlite_exec(db_sqlite_songs,"DROP INDEX idx_path",NULL,NULL,&perr);
err=sqlite_exec(db_sqlite_songs,"DELETE FROM songs",NULL,NULL,&perr);
@ -129,15 +135,20 @@ int db_sqlite_deinit(void) {
*/
int db_sqlite_start_scan(void) {
char *perr;
int err;
db_sqlite_lock();
err=sqlite_exec(db_sqlite_songs,"UPDATE songs SET updated=0",NULL,NULL,&perr);
if(db_sqlite_reload) {
sqlite_exec(db_sqlite_songs,"PRAGMA synchronous = OFF;",NULL,NULL,&perr);
sqlite_exec(db_sqlite_songs,"BEGIN TRANSACTION;",NULL,NULL,&perr);
} else {
/* if not a full reload, we'll be doing update checks */
sqlite_exec(db_sqlite_songs,"DROP TABLE updated",NULL,NULL,&perr);
sqlite_exec(db_sqlite_songs,"CREATE TEMP TABLE updated (id int)",NULL,NULL,&perr);
}
db_sqlite_unlock();
if(err != SQLITE_OK)
DPRINTF(E_FATAL,L_DB,"db_sqlite_start_scan: %s\n",perr);
db_sqlite_in_scan=1;
return 0;
@ -148,16 +159,32 @@ int db_sqlite_start_scan(void) {
*/
int db_sqlite_end_scan(void) {
char *perr;
int err;
int err=0;
db_sqlite_lock();
sqlite_exec(db_sqlite_songs,"PRAGMA synchronous=NORMAL",NULL,NULL,&perr);
err=sqlite_exec(db_sqlite_songs,"DELETE FROM songs WHERE updated=0",NULL,NULL,&perr);
if(db_sqlite_reload) {
err=sqlite_exec(db_sqlite_songs,"COMMIT TRANSACTION;",NULL,NULL,&perr);
if(err != SQLITE_OK) {
DPRINTF(E_FATAL,L_DB,"Could not commit insert transactions\n");
}
DPRINTF(E_LOG,L_DB,"Creating path index...\n");
sqlite_exec(db_sqlite_songs,"CREATE INDEX idx_path ON songs(path)",NULL,NULL,&perr);
sqlite_exec(db_sqlite_songs,"PRAGMA synchronous=NORMAL;",NULL,NULL,&perr);
} else {
err=sqlite_exec(db_sqlite_songs,
"DELETE FROM songs WHERE id NOT IN (SELECT id FROM updated)",
NULL,NULL,&perr);
if(err == SQLITE_OK) {
err |= sqlite_exec(db_sqlite_songs,"DROP TABLE updated",NULL,NULL,&perr);
}
}
db_sqlite_unlock();
if(err != SQLITE_OK)
DPRINTF(E_FATAL,L_DB,"db_sqlite_end_scan: %s\n",perr);
db_sqlite_reload=0;
db_sqlite_in_scan=0;
return 0;
}
@ -174,6 +201,7 @@ int db_sqlite_add(MP3FILE *pmp3) {
DPRINTF(E_SPAM,L_DB,"Entering db_sqlite_add\n");
if(!pmp3->time_added)
pmp3->time_added = (int)time(NULL);
@ -221,7 +249,7 @@ int db_sqlite_add(MP3FILE *pmp3) {
"%d," // time_played
"%d," // db_timestamp
"%d," // disabled
"1," // updated
"%d," // sample_count
"0)", // force_update
NULL,NULL,
&perr,
@ -259,10 +287,27 @@ int db_sqlite_add(MP3FILE *pmp3) {
pmp3->db_timestamp,
pmp3->disabled);
db_sqlite_unlock();
if(err == SQLITE_CONSTRAINT) {
/* probably because the path already exists... */
DPRINTF(E_DBG,L_DB,"Could not add mp3 file: %s... updating instead\n",pmp3->path);
return db_sqlite_update(pmp3);
}
if(err != SQLITE_OK)
DPRINTF(E_FATAL,L_DB,"Error inserting file %s in database: %s\n",
pmp3->fname,perr);
if((db_sqlite_in_scan)&&(!db_sqlite_reload)) {
db_sqlite_lock();
err=sqlite_exec(db_sqlite_songs,"INSERT INTO updated VALUES (last_insert_rowid())",
NULL,NULL,&perr);
if(err != SQLITE_OK)
DPRINTF(E_LOG,L_DB,"Error inserting into update table: %s\n",perr);
db_sqlite_unlock();
}
DPRINTF(E_SPAM,L_DB,"Exiting db_sqlite_add\n");
return 0;
}
@ -308,7 +353,7 @@ int db_sqlite_update(MP3FILE *pmp3) {
"bpm=%d," // bpm
"compilation=%d," // compilation
"rating=%d," // rating
"updated=1" // updated
"sample_count=%d,"
" WHERE path='%q'",
NULL,NULL,
&perr,
@ -337,12 +382,24 @@ int db_sqlite_update(MP3FILE *pmp3) {
pmp3->bpm,
pmp3->compilation,
pmp3->rating,
pmp3->sample_count,
pmp3->path);
db_sqlite_unlock();
if(err != SQLITE_OK)
DPRINTF(E_FATAL,L_DB,"Error updating file %s in database: %s\n",
pmp3->fname,perr);
if((db_sqlite_in_scan) && (!db_sqlite_reload)) {
db_sqlite_lock();
err=sqlite_exec_printf(db_sqlite_songs,
"INSERT INTO updated (id) select id from songs where path='%q')",
NULL,NULL,&perr,pmp3->path);
if(err != SQLITE_OK)
DPRINTF(E_LOG,L_DB,"Error inserting into update table: %s\n",perr);
db_sqlite_unlock();
}
return 0;
}
@ -876,33 +933,6 @@ int db_sqlite_build_dmap(DBQUERYINFO *pinfo, char **valarray, char *presult, int
return 0;
}
/**
* return the id for a given path (or 0 if it does not exist)
*
* \param path path of the file we are looking for
*/
int db_sqlite_get_id(char *path) {
int err, rows, cols;
char *perr;
char **resarray;
int retval=0;
db_sqlite_lock();
err=sqlite_get_table_printf(db_sqlite_songs,"SELECT * FROM songs WHERE path='%q'",
&resarray, &rows, &cols, &perr, path);
db_sqlite_unlock();
if(rows != 0) {
retval=atoi(resarray[cols]);
}
db_sqlite_lock();
sqlite_free_table(resarray);
db_sqlite_unlock();
return retval;
}
int db_sqlite_atoi(const char *what) {
return what ? atoi(what) : 0;
}
@ -948,6 +978,8 @@ void db_sqlite_build_mp3file(char **valarray, MP3FILE *pmp3) {
pmp3->time_played=db_sqlite_atoi(valarray[32]);
pmp3->db_timestamp=db_sqlite_atoi(valarray[33]);
pmp3->disabled=db_sqlite_atoi(valarray[34]);
pmp3->sample_count=db_sqlite_atoi(valarray[35]);
pmp3->force_update=db_sqlite_atoi(valarray[36]);
}
/**
@ -976,8 +1008,8 @@ MP3FILE *db_sqlite_fetch_item(int id) {
db_sqlite_lock();
sqlite_free_table(resarray);
if(db_sqlite_in_scan) {
sqlite_exec_printf(db_sqlite_songs,"UPDATE songs SET updated=1 WHERE id=%d",
if((db_sqlite_in_scan) && (!db_sqlite_reload)) {
sqlite_exec_printf(db_sqlite_songs,"insert into updated values (%d)",
NULL,NULL,&perr,id);
}
db_sqlite_unlock();
@ -985,6 +1017,45 @@ MP3FILE *db_sqlite_fetch_item(int id) {
return pmp3;
}
/**
* retrieve a MP3FILE struct for the song with a give path
*
* \param path path of the file to retreive
*/
extern MP3FILE *db_sqlite_fetch_path(char *path) {
int err,rows,cols;
char *perr;
char **resarray;
MP3FILE *pmp3=NULL;
/* here's a bit of a hack */
if(db_sqlite_reload) {
return NULL;
}
db_sqlite_lock();
err=sqlite_get_table_printf(db_sqlite_songs,"SELECT * FROM songs WHERE path=%q",
&resarray, &rows, &cols, &perr, path);
db_sqlite_unlock();
if(rows != 0) {
pmp3=(MP3FILE*)malloc(sizeof(MP3FILE));
if(!pmp3)
DPRINTF(E_FATAL,L_MISC,"Malloc error in db_sqlite_fetch_item\n");
db_sqlite_build_mp3file((char **)&resarray[cols],pmp3);
}
db_sqlite_lock();
sqlite_free_table(resarray);
if((db_sqlite_in_scan)&&(!db_sqlite_reload)) {
sqlite_exec_printf(db_sqlite_songs,"INSERT INTO updated VALUES (%d)",
NULL,NULL,&perr,pmp3->id);
}
db_sqlite_unlock();
return pmp3;
}
/**
* dispose of a MP3FILE struct that was obtained
@ -993,7 +1064,7 @@ MP3FILE *db_sqlite_fetch_item(int id) {
* \param pmp3 item obtained from db_sqlite_fetch_item
*/
void db_sqlite_dispose_item(MP3FILE *pmp3) {
if(pmp3)
if(!pmp3)
return;
MAYBEFREE(pmp3->path);

2
src/dbs-sqlite.h
View File

@ -32,11 +32,11 @@ extern int db_sqlite_enum_size(DBQUERYINFO *pinfo, int *count);
extern int db_sqlite_enum_fetch(DBQUERYINFO *pinfo, unsigned char **pdmap);
extern int db_sqlite_enum_reset(DBQUERYINFO *pinfo);
extern int db_sqlite_enum_end(void);
extern int db_sqlite_get_id(char *path);
extern int db_sqlite_start_scan(void);
extern int db_sqlite_end_scan(void);
extern int db_sqlite_get_count(CountType_t type);
extern MP3FILE *db_sqlite_fetch_item(int id);
extern MP3FILE *db_sqlite_fetch_path(char *path);
extern void db_sqlite_dispose_item(MP3FILE *pmp3);
#endif /* _DBS_SQLITE_H_ */

12
src/mp3-scanner.c
View File

@ -383,6 +383,7 @@ int scan_path(char *path) {
struct stat sb;
int modified_time;
char *ext;
MP3FILE *pmp3;
if((current_dir=opendir(path)) == NULL) {
DPRINTF(E_WARN,L_SCAN,"opendir: %s\n",strerror(errno));
@ -427,18 +428,19 @@ int scan_path(char *path) {
if((strcasecmp(".m3u",(char*)&pde->d_name[strlen(pde->d_name) - 4]) == 0) &&
config.process_m3u){
/* we found an m3u file */
DPRINTF(E_LOG,L_SCAN,"Oops... we aren't doing playlists.. Sorry: %s\n",
DPRINTF(E_LOG,L_SCAN,"Oops... no playlists.. Sorry: %s\n",
mp3_path);
// scan_static_playlist(path, pde, &sb);
} else if (((ext = strrchr(pde->d_name, '.')) != NULL) &&
(strcasestr(config.extensions, ext))) {
/* only scan if it's been changed, or empty db */
modified_time=sb.st_mtime;
DPRINTF(E_DBG,L_SCAN,"FS Mod time: %d\n",modified_time);
DPRINTF(E_DBG,L_SCAN,"DB Mod time: %d\n",db_last_modified(mp3_path));
if(!db_get_id(mp3_path) ||
db_last_modified(mp3_path) < modified_time) {
pmp3=db_fetch_path(mp3_path);
if((!pmp3) || (pmp3->db_timestamp < modified_time) ||
(pmp3->force_update)) {
scan_music_file(path,pde,&sb);
db_dispose_item(pmp3);
} else {
DPRINTF(E_DBG,L_SCAN,"Skipping file... not modified\n");
}

3
src/mp3-scanner.h
View File

@ -66,7 +66,8 @@ typedef struct tag_mp3file {
char* description; /* long file type */
int item_kind; /* song or movie */
int data_kind; /* dmap.datakind (asdk) */
int force_update;
int sample_count;
char compilation;
} MP3FILE;