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-rw-r--r--src/directory.c116
1 files changed, 88 insertions, 28 deletions
diff --git a/src/directory.c b/src/directory.c
index 34efa27dd..2954e054e 100644
--- a/src/directory.c
+++ b/src/directory.c
@@ -69,10 +69,17 @@
typedef List DirectoryList;
+typedef struct _DirectoryStat {
+ ino_t inode;
+ dev_t device;
+} DirectoryStat;
+
typedef struct _Directory {
char * utf8name;
DirectoryList * subDirectories;
SongList * songs;
+ struct _Directory * parent;
+ DirectoryStat * stat;
} Directory;
Directory * mp3rootDirectory = NULL;
@@ -104,10 +111,9 @@ void deleteEmptyDirectoriesInDirectory(Directory * directory);
void removeSongFromDirectory(Directory * directory, char * shortname);
int addSubDirectoryToDirectory(Directory * directory, char * shortname,
- char * name);
+ char * name, struct stat * st);
-Directory * getDirectoryDetails(char * name, char ** shortname,
- Directory ** parentDirectory);
+Directory * getDirectoryDetails(char * name, char ** shortname);
Directory * getDirectory(char * name);
@@ -118,6 +124,8 @@ int updatePath(char * utf8path);
void sortDirectory(Directory * directory);
+int inodeFoundInParent(Directory * parent, ino_t inode, dev_t device);
+
void clearUpdatePid() {
directory_updatePid = 0;
}
@@ -240,7 +248,19 @@ int updateInit(FILE * fp, List * pathList) {
return 0;
}
-Directory * newDirectory(char * dirname) {
+DirectoryStat * newDirectoryStat(struct stat * st) {
+ DirectoryStat * ret = malloc(sizeof(DirectoryStat));
+ ret->inode = st->st_ino;
+ ret->device = st->st_dev;
+ return ret;
+}
+
+void freeDirectoryStatFromDirectory(Directory * dir) {
+ if(dir->stat) free(dir->stat);
+ dir->stat = NULL;
+}
+
+Directory * newDirectory(char * dirname, Directory * parent) {
Directory * directory;
directory = malloc(sizeof(Directory));
@@ -249,6 +269,8 @@ Directory * newDirectory(char * dirname) {
else directory->utf8name = NULL;
directory->subDirectories = newDirectoryList();
directory->songs = newSongList();
+ directory->stat = NULL;
+ directory->parent = parent;
return directory;
}
@@ -257,6 +279,7 @@ void freeDirectory(Directory * directory) {
freeDirectoryList(directory->subDirectories);
freeSongList(directory->songs);
if(directory->utf8name) free(directory->utf8name);
+ freeDirectoryStatFromDirectory(directory);
free(directory);
}
@@ -326,7 +349,7 @@ int updateInDirectory(Directory * directory, char * shortname, char * name) {
}
else {
return addSubDirectoryToDirectory(directory,shortname,
- name);
+ name, &st);
}
}
@@ -427,7 +450,7 @@ Directory * addDirectoryPathToDB(char * utf8path, char ** shortname) {
if(!findInList(parentDirectory->subDirectories,*shortname, &directory))
{
- directory = newDirectory(utf8path);
+ directory = newDirectory(utf8path, parentDirectory);
insertInList(parentDirectory->subDirectories,*shortname,
directory);
}
@@ -475,9 +498,9 @@ int updatePath(char * utf8path) {
if(NULL==path) return -1;
/* if path is in the DB try to update it, or else delete it */
- if((directory = getDirectoryDetails(path,&shortname,
- &parentDirectory)))
- {
+ if((directory = getDirectoryDetails(path,&shortname))) {
+ parentDirectory = directory->parent;
+
/* if this update directory is successfull, we are done */
if((ret = updateDirectory(directory))>=0)
{
@@ -631,10 +654,41 @@ int exploreDirectory(Directory * directory) {
return ret;
}
+int statDirectory(Directory * dir) {
+ struct stat st;
+
+ if(myStat(dir->utf8name ? dir->utf8name : "", &st) < 0) return -1;
+
+ dir->stat = newDirectoryStat(&st);
+
+ return 0;
+}
+
+int inodeFoundInParent(Directory * parent, ino_t inode, dev_t device) {
+ while(parent) {
+ if(!parent->stat) {
+ if(statDirectory(parent) < 0) return -1;
+ }
+ if(parent->stat->inode == inode &&
+ parent->stat->device == device)
+ {
+ return 1;
+ }
+ parent = parent->parent;
+ }
+
+ return 0;
+}
+
int addSubDirectoryToDirectory(Directory * directory, char * shortname,
- char * name)
+ char * name, struct stat * st)
{
- Directory * subDirectory = newDirectory(name);
+ Directory * subDirectory;
+
+ if(inodeFoundInParent(directory, st->st_ino, st->st_dev)) return 0;
+
+ subDirectory = newDirectory(name, directory);
+ subDirectory->stat = newDirectoryStat(st);
if(exploreDirectory(subDirectory)<1) {
freeDirectory(subDirectory);
@@ -660,7 +714,8 @@ int addToDirectory(Directory * directory, char * shortname, char * name) {
return 1;
}
else if(S_ISDIR(st.st_mode)) {
- return addSubDirectoryToDirectory(directory,shortname,name);
+ return addSubDirectoryToDirectory(directory, shortname, name,
+ &st);
}
DEBUG("addToDirectory: %s is not a directory or music\n",name);
@@ -693,7 +748,7 @@ Directory * findSubDirectory(Directory * directory,char * name) {
}
Directory * getSubDirectory(Directory * directory, char * name,
- char ** shortname, Directory ** parentDirectory)
+ char ** shortname)
{
Directory * subDirectory;
int len;
@@ -705,31 +760,24 @@ Directory * getSubDirectory(Directory * directory, char * name,
if((subDirectory = findSubDirectory(directory,name))==NULL) return NULL;
*shortname = name;
- *parentDirectory = directory;
len = 0;
while(name[len]!='/' && name[len]!='\0') len++;
while(name[len]=='/') len++;
- return getSubDirectory(subDirectory,&(name[len]),shortname,
- parentDirectory);
+ return getSubDirectory(subDirectory,&(name[len]),shortname);
}
-Directory * getDirectoryDetails(char * name, char ** shortname,
- Directory ** parentDirectory)
-{
+Directory * getDirectoryDetails(char * name, char ** shortname) {
*shortname = NULL;
- *parentDirectory = NULL;
- return getSubDirectory(mp3rootDirectory,name,shortname,parentDirectory);
+ return getSubDirectory(mp3rootDirectory,name,shortname);
}
Directory * getDirectory(char * name) {
char * shortname;
- Directory * parentDirectory;
- return getSubDirectory(mp3rootDirectory,name,&shortname,
- &parentDirectory);
+ return getSubDirectory(mp3rootDirectory,name,&shortname);
}
int printDirectoryList(FILE * fp, DirectoryList * directoryList) {
@@ -823,7 +871,7 @@ void readDirectoryInfo(FILE * fp,Directory * directory) {
}
if(NULL==nextDirNode) {
- subDirectory = newDirectory(name);
+ subDirectory = newDirectory(name, directory);
insertInList(directory->subDirectories,key,
(void *)subDirectory);
}
@@ -832,7 +880,7 @@ void readDirectoryInfo(FILE * fp,Directory * directory) {
nextDirNode = nextDirNode->nextNode;
}
else {
- subDirectory = newDirectory(name);
+ subDirectory = newDirectory(name, directory);
insertInListBeforeNode(
directory->subDirectories,
nextDirNode,
@@ -900,7 +948,7 @@ int readDirectoryDB() {
FILE * fp;
struct stat st;
- if(!mp3rootDirectory) mp3rootDirectory = newDirectory(NULL);
+ if(!mp3rootDirectory) mp3rootDirectory = newDirectory(NULL, NULL);
while(!(fp=fopen(directory_db,"r")) && errno==EINTR);
if(!fp) return -1;
@@ -1213,6 +1261,17 @@ int countSongsIn(FILE * fp, char * name) {
return count;
}
+void freeAllDirectoryStats(Directory * directory) {
+ ListNode * node = directory->subDirectories->firstNode;
+
+ while(node != NULL) {
+ freeAllDirectoryStats(directory);
+ node = node->nextNode;
+ }
+
+ freeDirectoryStatFromDirectory(directory);
+}
+
unsigned long sumSongTimesIn(FILE * fp, char * name) {
unsigned long dbPlayTime = 0;
void * ptr = (void *)&dbPlayTime;
@@ -1225,8 +1284,9 @@ unsigned long sumSongTimesIn(FILE * fp, char * name) {
void initMp3Directory() {
struct stat st;
- mp3rootDirectory = newDirectory(NULL);
+ mp3rootDirectory = newDirectory(NULL, NULL);
exploreDirectory(mp3rootDirectory);
+ freeAllDirectoryStats(mp3rootDirectory);
stats.numberOfSongs = countSongsIn(stderr,NULL);
stats.dbPlayTime = sumSongTimesIn(stderr,NULL);
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-31 01:43:32 +0000