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- If the name of a CD was changed, return this name instead of the generic

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"Audio CD" or CD Text obtained one.



git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@30732 a95241bf-73f2-0310-859d-f6bbb57e9c96
This commit is contained in:
Bruno G. Albuquerque 2009-05-12 22:47:22 +00:00
parent 277ddffee4
commit 44f7948892
1 changed files with 84 additions and 59 deletions
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143
src/add-ons/kernel/file_systems/cdda/kernel_interface.cpp
View File

@ -102,7 +102,8 @@ class Volume {
size_t BufferSize() const { return 32 * kFrameSize; }
// TODO: for now
static void DetermineName(cdtext& text, char* name, size_t length);
static void DetermineName(uint32 cddbId, int DeviceFD, char* name,
size_t length);
private:
Inode* _CreateNode(Inode* parent, const char* name,
@ -437,6 +438,58 @@ read_attributes(int fd, Inode* inode)
}
static int
open_attributes(uint32 cddbId, int deviceFD, int mode,
enum attr_mode attrMode)
{
char* path = (char*)malloc(B_PATH_NAME_LENGTH);
if (path == NULL)
return -1;
bool create = (mode & O_WRONLY) != 0;
if (find_directory(B_USER_SETTINGS_DIRECTORY, -1, create, path,
B_PATH_NAME_LENGTH) != B_OK) {
free(path);
return -1;
}
strlcat(path, "/cdda", B_PATH_NAME_LENGTH);
if (create)
mkdir(path, 0755);
if (attrMode == kDiscIDAttributes) {
char id[64];
snprintf(id, sizeof(id), "/%08lx", cddbId);
strlcat(path, id, B_PATH_NAME_LENGTH);
} else if (attrMode == kDeviceAttributes) {
uint32 length = strlen(path);
char* device = path + length;
if (ioctl(deviceFD, B_GET_PATH_FOR_DEVICE, device,
B_PATH_NAME_LENGTH - length) < B_OK) {
free(path);
return B_ERROR;
}
device++;
// replace slashes in the device path
while (device[0]) {
if (device[0] == '/')
device[0] = '_';
device++;
}
} else
strlcat(path, "/shared", B_PATH_NAME_LENGTH);
int fd = open(path, mode | (create ? O_CREAT | O_TRUNC : 0), 0644);
free(path);
return fd;
}
static void
fill_stat_buffer(Volume* volume, Inode* inode, Attribute* attribute,
struct stat& stat)
@ -545,15 +598,33 @@ Volume::InitCheck()
/*static*/ void
Volume::DetermineName(cdtext& text, char* name, size_t length)
Volume::DetermineName(uint32 cddbId, int deviceFD, char* name, size_t length)
{
if (text.artist != NULL && text.album != NULL)
snprintf(name, length, "%s - %s", text.artist, text.album);
else if (text.artist != NULL || text.album != NULL) {
snprintf(name, length, "%s", text.artist != NULL
? text.artist : text.album);
} else
strlcpy(name, "Audio CD", length);
int attrFD = open_attributes(cddbId, deviceFD, O_RDONLY,
kDiscIDAttributes);
if (attrFD < 0) {
// We do not have attributes set. Read CD text.
cdtext text;
read_cdtext(deviceFD, text);
if (text.artist != NULL && text.album != NULL)
snprintf(name, length, "%s - %s", text.artist, text.album);
else if (text.artist != NULL || text.album != NULL) {
snprintf(name, length, "%s", text.artist != NULL
? text.artist : text.album);
} else
strlcpy(name, "Audio CD", length);
} else {
// We have an attribute file. Read name from it.
char line[B_FILE_NAME_LENGTH];
if (!read_line(attrFD, line, B_FILE_NAME_LENGTH)) {
// Could not get name from attribute file. use default name.
strlcpy(name, "Audio CD", length);
} else {
// We got a name. Use it.
strlcpy(name, line, length);
}
close(attrFD);
}
}
@ -685,7 +756,7 @@ Volume::Mount(const char* device)
free(toc);
// determine volume title
DetermineName(text, title, sizeof(title));
DetermineName(fDiscID, fDevice, title, sizeof(title));
fName = strdup(title);
if (fName == NULL)
@ -787,51 +858,7 @@ Volume::SetName(const char* name)
int
Volume::_OpenAttributes(int mode, enum attr_mode attrMode)
{
char* path = (char*)malloc(B_PATH_NAME_LENGTH);
if (path == NULL)
return -1;
bool create = (mode & O_WRONLY) != 0;
if (find_directory(B_USER_SETTINGS_DIRECTORY, -1, create, path,
B_PATH_NAME_LENGTH) != B_OK) {
free(path);
return -1;
}
strlcat(path, "/cdda", B_PATH_NAME_LENGTH);
if (create)
mkdir(path, 0755);
if (attrMode == kDiscIDAttributes) {
char id[64];
snprintf(id, sizeof(id), "/%08lx", fDiscID);
strlcat(path, id, B_PATH_NAME_LENGTH);
} else if (attrMode == kDeviceAttributes) {
uint32 length = strlen(path);
char* device = path + length;
if (ioctl(fDevice, B_GET_PATH_FOR_DEVICE, device,
B_PATH_NAME_LENGTH - length) < B_OK) {
free(path);
return B_ERROR;
}
device++;
// replace slashes in the device path
while (device[0]) {
if (device[0] == '/')
device[0] = '_';
device++;
}
} else
strlcat(path, "/shared", B_PATH_NAME_LENGTH);
int fd = open(path, mode | (create ? O_CREAT | O_TRUNC : 0), 0644);
free(path);
return fd;
return open_attributes(fDiscID, fDevice, mode, attrMode);
}
@ -1357,11 +1384,9 @@ cdda_scan_partition(int fd, partition_data* partition, void* _cookie)
// determine volume title
cdtext text;
read_cdtext(fd, text);
uint32 cddbId = compute_cddb_disc_id(*toc);
char name[256];
Volume::DetermineName(text, name, sizeof(name));
Volume::DetermineName(cddbId, fd, name, sizeof(name));
partition->content_name = strdup(name);
if (partition->content_name == NULL)
return B_NO_MEMORY;