static status_t
InitCommon(int fileDesc)
{
// Initialization function used by primary and cloned accelerants.
gInfo.deviceFileDesc = fileDesc;
// Get area ID of shared data from driver.
area_id sharedArea;
status_t result = ioctl(gInfo.deviceFileDesc, TDFX_GET_SHARED_DATA,
&sharedArea, sizeof(sharedArea));
if (result != B_OK)
return result;
gInfo.sharedInfoArea = clone_area("3DFX shared info",
(void**)&(gInfo.sharedInfo), B_ANY_ADDRESS, B_READ_AREA | B_WRITE_AREA,
sharedArea);
if (gInfo.sharedInfoArea < 0)
return gInfo.sharedInfoArea; // sharedInfoArea has error code
gInfo.regsArea = clone_area("3DFX regs area", (void**)&(gInfo.regs),
B_ANY_ADDRESS, B_READ_AREA | B_WRITE_AREA, gInfo.sharedInfo->regsArea);
if (gInfo.regsArea < 0) {
delete_area(gInfo.sharedInfoArea);
return gInfo.regsArea; // regsArea has error code
}
return B_OK;
}
/* Initialization code shared between primary and cloned accelerants */
static status_t init_common(int the_fd)
{
status_t result;
gx00_get_private_data gpd;
// LOG not available from here to next LOG: NULL si
/* memorize the file descriptor */
fd = the_fd;
/* set the magic number so the driver knows we're for real */
gpd.magic = GX00_PRIVATE_DATA_MAGIC;
/* contact driver and get a pointer to the registers and shared data */
result = ioctl(fd, GX00_GET_PRIVATE_DATA, &gpd, sizeof(gpd));
if (result != B_OK) goto error0;
/* clone the shared area for our use */
shared_info_area = clone_area(DRIVER_PREFIX " shared", (void **)&si, B_ANY_ADDRESS,
B_READ_AREA | B_WRITE_AREA, gpd.shared_info_area);
if (shared_info_area < 0) {
result = shared_info_area;
goto error0;
}
// LOG is now available, si !NULL
LOG(4,("init_common: logmask 0x%08x, memory %dMB, hardcursor %d, usebios %d, greensync %d\n",
si->settings.logmask, si->settings.memory, si->settings.hardcursor, si->settings.usebios, si->settings.greensync));
/*Check for R4.5.0 and if it is running, use work around*/
{
if (si->use_clone_bugfix)
{
/*check for R4.5.0 bug and attempt to work around*/
LOG(2,("InitACC: Found R4.5.0 bug - attempting to work around\n"));
regs = si->clone_bugfix_regs;
}
else
{
/* clone the memory mapped registers for our use - does not work on <4.5.2 (but is better this way)*/
regs_area = clone_area(DRIVER_PREFIX " regs", (void **)®s, B_ANY_ADDRESS,
B_READ_AREA | B_WRITE_AREA, si->regs_area);
if (regs_area < 0) {
result = regs_area;
goto error1;
}
}
}
/*FIXME - print dma addresses*/
//LOG(4,("DMA_virtual:%x\tDMA_physical:%x\tDMA_area:%x\n",si->dma_buffer,si->dma_buffer_pci,si->dma_buffer_area));
/* all done */
goto error0;
error1:
delete_area(shared_info_area);
error0:
return result;
}
status_t
vesa_clone_accelerant(void *info)
{
TRACE(("vesa_clone_accelerant()\n"));
// create full device name
char path[MAXPATHLEN];
strcpy(path, "/dev/");
strcat(path, (const char *)info);
int fd = open(path, B_READ_WRITE);
if (fd < 0)
return errno;
status_t status = init_common(fd, true);
if (status != B_OK)
goto err1;
// get read-only clone of supported display modes
status = gInfo->mode_list_area = clone_area(
"vesa cloned modes", (void **)&gInfo->mode_list,
B_ANY_ADDRESS, B_READ_AREA, gInfo->shared_info->mode_list_area);
if (status < B_OK)
goto err2;
return B_OK;
err2:
uninit_common();
err1:
close(fd);
return status;
}
status_t
BufferManager::RegisterBuffer(team_id teamid, size_t size, int32 flags, size_t offset, area_id area,
media_buffer_id *bufferid)
{
BAutolock lock(fLocker);
TRACE("RegisterBuffer team = %ld, areaid = %ld, offset = %ld, size = %ld\n", teamid, area, offset, size);
void *adr;
area_id newarea;
newarea = clone_area("media_server cloned buffer", &adr, B_ANY_ADDRESS, B_READ_AREA | B_WRITE_AREA, area);
if (newarea <= B_OK) {
ERROR("RegisterBuffer: failed to clone buffer! error = %#lx, team = %ld, areaid = %ld, offset = %ld, size = %ld\n", newarea, teamid, area, offset, size);
return B_ERROR;
}
buffer_info info;
*bufferid = fNextBufferId;
info.id = fNextBufferId;
info.area = newarea;
info.offset = offset;
info.size = size;
info.flags = flags;
info.teams.Insert(teamid);
fBufferInfoMap->Insert(fNextBufferId, info);
TRACE("RegisterBuffer: done, bufferid = %ld\n", fNextBufferId);
fNextBufferId += 1;
return B_OK;
}
area_id
AreaCloner::Clone(const char* name, void** _address, uint32 spec,
uint32 protection, area_id sourceArea)
{
fArea = clone_area(name, _address, spec, protection, sourceArea);
return fArea;
}
status_t
CloneAccelerant(void* data)
{
// Initialize a copy of the accelerant as a clone. Argument data points to
// a copy of the data which was returned by GetAccelerantCloneInfo().
TRACE("Enter CloneAccelerant()\n");
char path[MAXPATHLEN] = "/dev/";
strcat(path, (const char*)data);
gInfo.deviceFileDesc = open(path, B_READ_WRITE); // open the device
if (gInfo.deviceFileDesc < 0)
return errno;
gInfo.bAccelerantIsClone = true;
status_t result = InitCommon(gInfo.deviceFileDesc);
if (result != B_OK) {
close(gInfo.deviceFileDesc);
return result;
}
result = gInfo.modeListArea = clone_area("ATI cloned display_modes",
(void**) &gInfo.modeList, B_ANY_ADDRESS, B_READ_AREA,
gInfo.sharedInfo->modeArea);
if (result < 0) {
UninitCommon();
close(gInfo.deviceFileDesc);
return result;
}
TRACE("Leave CloneAccelerant()\n");
return B_OK;
}
/* explicit */
BTimeSource::BTimeSource(media_node_id id) :
BMediaNode("This one is never called"),
fStarted(false),
fArea(-1),
fBuf(NULL),
fSlaveNodes(NULL),
fIsRealtime(false)
{
CALLED();
AddNodeKind(B_TIME_SOURCE);
ASSERT(id > 0);
// printf("###### explicit BTimeSource::BTimeSource() id %ld, name %s\n", id, Name());
// This constructor is only called by the derived BPrivate::media::TimeSourceObject objects
// We create a clone of the communication area
char name[32];
area_id area;
sprintf(name, "__timesource_buf_%" B_PRId32, id);
area = find_area(name);
if (area <= 0) {
ERROR("BTimeSource::BTimeSource couldn't find area, node %" B_PRId32
"\n", id);
return;
}
sprintf(name, "__cloned_timesource_buf_%" B_PRId32, id);
fArea = clone_area(name, reinterpret_cast<void **>(const_cast<BPrivate::media::TimeSourceTransmit **>(&fBuf)), B_ANY_ADDRESS, B_READ_AREA | B_WRITE_AREA, area);
if (fArea <= 0) {
ERROR("BTimeSource::BTimeSource couldn't clone area, node %" B_PRId32
"\n", id);
return;
}
}
void*
ClonedAreaMemory::Clone(area_id area, uint32 offset)
{
fClonedArea = clone_area("server_memory", (void**)&fBase, B_ANY_ADDRESS,
B_READ_AREA | B_WRITE_AREA, area);
if (fBase == NULL)
return NULL;
fOffset = offset;
return Address();
}
static status_t
InitCommon(int fileDesc)
{
// Initialization function used by primary and cloned accelerants.
gInfo.deviceFileDesc = fileDesc;
// Get pointer to registers and shared data from driver.
S3GetPrivateData gpd;
gpd.magic = S3_PRIVATE_DATA_MAGIC;
status_t result = ioctl(gInfo.deviceFileDesc, S3_GET_PRIVATE_DATA, &gpd, sizeof(gpd));
if (result != B_OK)
return result;
gInfo.sharedInfoArea = clone_area("S3 shared info", (void**)&(gInfo.sharedInfo),
B_ANY_ADDRESS, B_READ_AREA | B_WRITE_AREA, gpd.sharedInfoArea);
if (gInfo.sharedInfoArea < 0)
return gInfo.sharedInfoArea; // sharedInfoArea has error code
gInfo.regsArea = clone_area("S3 regs area", (void**)&(gInfo.regs),
B_ANY_ADDRESS, B_READ_AREA | B_WRITE_AREA, gInfo.sharedInfo->regsArea);
if (gInfo.regsArea < 0) {
delete_area(gInfo.sharedInfoArea);
return gInfo.regsArea; // regsArea has error code
}
// Set pointers to various device specific functions.
if (S3_SAVAGE_FAMILY(gInfo.sharedInfo->chipType))
Savage_SetFunctionPointers();
else if (S3_TRIO64_FAMILY(gInfo.sharedInfo->chipType))
Trio64_SetFunctionPointers();
else if (S3_VIRGE_FAMILY(gInfo.sharedInfo->chipType))
Virge_SetFunctionPointers();
else
return B_ERROR; // undefined chip type code
return B_OK;
}
void
BDirectWindow::_InitData()
{
fConnectionEnable = false;
fIsFullScreen = false;
fInDirectConnect = false;
fInitStatus = 0;
status_t status = B_ERROR;
struct direct_window_sync_data syncData;
fLink->StartMessage(AS_DIRECT_WINDOW_GET_SYNC_DATA);
if (fLink->FlushWithReply(status) == B_OK && status == B_OK)
fLink->Read<direct_window_sync_data>(&syncData);
if (status != B_OK)
return;
#if DW_NEEDS_LOCKING
fDirectLock = 0;
fDirectLockCount = 0;
fDirectLockOwner = -1;
fDirectLockStack = NULL;
fDirectSem = create_sem(0, "direct sem");
if (fDirectSem > 0)
fInitStatus |= DW_STATUS_SEM_CREATED;
#endif
fSourceClippingArea = syncData.area;
fDisableSem = syncData.disable_sem;
fDisableSemAck = syncData.disable_sem_ack;
fClonedClippingArea = clone_area("cloned direct area", (void**)&fBufferDesc,
B_ANY_ADDRESS, B_READ_AREA, fSourceClippingArea);
if (fClonedClippingArea > 0) {
fInitStatus |= DW_STATUS_AREA_CLONED;
fDirectDaemonId = spawn_thread(_daemon_thread, "direct daemon",
B_DISPLAY_PRIORITY, this);
if (fDirectDaemonId > 0) {
fDaemonKiller = false;
if (resume_thread(fDirectDaemonId) == B_OK)
fInitStatus |= DW_STATUS_THREAD_STARTED;
else
kill_thread(fDirectDaemonId);
}
}
}
static status_t
InitCommon(int fileDesc)
{
// Initialization function used by primary and cloned accelerants.
gInfo.deviceFileDesc = fileDesc;
// Get area ID of shared data from driver.
area_id sharedArea;
status_t result = ioctl(gInfo.deviceFileDesc, ATI_GET_SHARED_DATA,
&sharedArea, sizeof(sharedArea));
if (result != B_OK)
return result;
gInfo.sharedInfoArea = clone_area("ATI shared info", (void**)&(gInfo.sharedInfo),
B_ANY_ADDRESS, B_READ_AREA | B_WRITE_AREA, sharedArea);
if (gInfo.sharedInfoArea < 0)
return gInfo.sharedInfoArea; // sharedInfoArea has error code
gInfo.regsArea = clone_area("ATI regs area", (void**)&(gInfo.regs),
B_ANY_ADDRESS, B_READ_AREA | B_WRITE_AREA, gInfo.sharedInfo->regsArea);
if (gInfo.regsArea < 0) {
delete_area(gInfo.sharedInfoArea);
return gInfo.regsArea; // regsArea has error code
}
// Set pointers to various device specific functions.
if (RAGE128_FAMILY(gInfo.sharedInfo->chipType))
Rage128_SetFunctionPointers();
else if (MACH64_FAMILY(gInfo.sharedInfo->chipType))
Mach64_SetFunctionPointers();
else
return B_ERROR; // undefined chip type code
return B_OK;
}
status_t
arch_int_init_post_vm(kernel_args *args)
{
// create a read/write kernel area
sVectorPageArea = create_area("vectorpage", (void **)&sVectorPageAddress,
B_ANY_ADDRESS, VECTORPAGE_SIZE, B_FULL_LOCK,
B_KERNEL_WRITE_AREA | B_KERNEL_READ_AREA);
if (sVectorPageArea < 0)
panic("vector page could not be created!");
// clone it at a fixed address with user read/only permissions
sUserVectorPageAddress = (addr_t*)USER_VECTOR_ADDR_HIGH;
sUserVectorPageArea = clone_area("user_vectorpage",
(void **)&sUserVectorPageAddress, B_EXACT_ADDRESS,
B_READ_AREA | B_EXECUTE_AREA, sVectorPageArea);
if (sUserVectorPageArea < 0)
panic("user vector page @ %p could not be created (%lx)!", sVectorPageAddress, sUserVectorPageArea);
// copy vectors into the newly created area
memcpy(sVectorPageAddress, &_vectors_start, VECTORPAGE_SIZE);
arm_vector_init();
// see if high vectors are enabled
if ((mmu_read_c1() & (1 << 13)) != 0)
dprintf("High vectors already enabled\n");
else {
mmu_write_c1(mmu_read_c1() | (1 << 13));
if ((mmu_read_c1() & (1 << 13)) == 0)
dprintf("Unable to enable high vectors!\n");
else
dprintf("Enabled high vectors\n");
}
sPxaInterruptArea = map_physical_memory("pxa_intc", PXA_INTERRUPT_PHYS_BASE,
PXA_INTERRUPT_SIZE, 0, B_KERNEL_READ_AREA | B_KERNEL_WRITE_AREA, (void**)&sPxaInterruptBase);
if (sPxaInterruptArea < 0)
return sPxaInterruptArea;
sPxaInterruptBase[PXA_ICMR] = 0;
sPxaInterruptBase[PXA_ICMR2] = 0;
return B_OK;
}
static int vm_bang(void *str)
{
for (int i = 0; i < 10; i++) {
uint *addr;
int area = create_area("original area", (void**) &addr, 0, 0x2000,
AREA_NOT_WIRED, USER_READ | USER_WRITE);
if (area < 0) {
_serial_print("error creating original area\n");
return 0;
}
unsigned var = rand();
*addr = var;
uint *clone_addr;
int clone = clone_area("clone area", (void**) &clone_addr, 0,
USER_WRITE | USER_READ, area);
if (clone < 0) {
_serial_print("error creating clone area\n");
return 0;
}
if (*clone_addr != var) {
_serial_print("clone failed to copy pages\n");
return 0;
}
addr += 1024;
clone_addr += 1024;
*clone_addr = var;
if (*addr != var) {
_serial_print("page failed failed to be propigated\n");
return 0;
}
for (int i = 0; i < 10; i++)
resize_area(area, (i % 4) * PAGE_SIZE + PAGE_SIZE);
delete_area(area);
delete_area(clone);
}
printf("%s", (char*) str);
atomic_add(&thread_count, -1);
return 0;
}
static status_t
clone_command_areas(net_area_info *localArea,net_command *command)
{
int32 i;
memset(localArea,0,sizeof(net_area_info) * MAX_NET_AREAS);
for (i = 0;i < MAX_NET_AREAS;i++) {
if (command->area[i].id <= 0)
continue;
localArea[i].id = clone_area("net connection",(void **)&localArea[i].offset,B_ANY_ADDRESS,
B_READ_AREA | B_WRITE_AREA,command->area[i].id);
if (localArea[i].id < B_OK)
return localArea[i].id;
}
return B_OK;
}
APR_DECLARE(apr_status_t) apr_shm_attach(apr_shm_t **m,
const char *filename,
apr_pool_t *pool)
{
area_info ai;
thread_info ti;
apr_shm_t *new_m;
area_id deleteme = find_area(filename);
if (deleteme == B_NAME_NOT_FOUND)
return APR_EINVAL;
new_m = (apr_shm_t*)apr_palloc(pool, sizeof(apr_shm_t*));
if (new_m == NULL)
return APR_ENOMEM;
new_m->pool = pool;
get_area_info(deleteme, &ai);
get_thread_info(find_thread(NULL), &ti);
if (ti.team != ai.team) {
area_id narea;
narea = clone_area(ai.name, &(ai.address), B_CLONE_ADDRESS,
B_READ_AREA|B_WRITE_AREA, ai.area);
if (narea < B_OK)
return narea;
get_area_info(narea, &ai);
new_m->aid = narea;
new_m->memblock = ai.address;
new_m->ptr = (void*)ai.address;
new_m->avail = ai.size;
new_m->reqsize = ai.size;
}
(*m) = new_m;
return APR_SUCCESS;
}
void
beos_backend_startup(void)
{
char nom[50];
char nvnom[50];
area_info inf;
int32 cook = 0;
/* Perform the remapping process */
/* Loop in all our team areas */
while (get_next_area_info(0, &cook, &inf) == B_OK)
{
strcpy(nom, inf.name);
strcpy(nvnom, inf.name);
nom[9] = 0;
nvnom[5] = 'i';
/* Is it a SYS V area ? */
if (!strcmp(nom, "SYSV_IPC_"))
{
void *area_address;
area_id area_postmaster;
/* Get the area address */
area_address = inf.address;
/* Destroy the bad area */
delete_area(inf.area);
/* Find the postmaster area */
area_postmaster = find_area(inf.name);
/* Compute new area name */
sprintf(nvnom, "SYSV_IPC %d", area_postmaster);
/* Clone it at the exact same address */
clone_area(nvnom, &area_address, B_CLONE_ADDRESS, B_READ_AREA | B_WRITE_AREA, area_postmaster);
}
}
/* remapping done release semaphore to allow other backend to startup */
release_sem(beos_shm_sem);
}
int main(void)
{
area_id handler_buffer;
if ((handler_buffer = find_area("packet buffer")) < B_NO_ERROR) {
printf("Can't find packet buffer\n");
return 10;
}
if ((buffer_area = clone_area("local packet buffer", &net_buffer_ptr, B_ANY_ADDRESS, B_READ_AREA | B_WRITE_AREA, handler_buffer)) < B_NO_ERROR) {
printf("Can't clone packet buffer\n");
return 10;
}
uint8 *p = net_buffer_ptr->ether_addr;
printf("Ethernet address : %02x %02x %02x %02x %02x %02x\n", p[0], p[1], p[2], p[3], p[4], p[5]);
printf("read_sem : %d\n", net_buffer_ptr->read_sem);
printf("read_ofs : %d\n", net_buffer_ptr->read_ofs);
printf("read_packet_size : %d\n", net_buffer_ptr->read_packet_size);
printf("read_packet_count : %d\n", net_buffer_ptr->read_packet_count);
printf("write_sem : %d\n", net_buffer_ptr->write_sem);
printf("write_ofs : %d\n", net_buffer_ptr->write_ofs);
printf("write_packet_size : %d\n", net_buffer_ptr->write_packet_size);
printf("write_packet_count: %d\n", net_buffer_ptr->write_packet_count);
printf("\nRead packets:\n");
for (int i=0; i<READ_PACKET_COUNT; i++) {
net_packet *p = &net_buffer_ptr->read[i];
printf("cmd : %08lx\n", p->cmd);
printf("length: %d\n", p->length);
}
printf("\nWrite packets:\n");
for (int i=0; i<WRITE_PACKET_COUNT; i++) {
net_packet *p = &net_buffer_ptr->write[i];
printf("cmd : %08lx\n", p->cmd);
printf("length: %d\n", p->length);
}
return 0;
}
status_t
intel_clone_accelerant(void* info)
{
CALLED();
// create full device name
char path[B_PATH_NAME_LENGTH];
strcpy(path, "/dev/");
#ifdef __HAIKU__
strlcat(path, (const char*)info, sizeof(path));
#else
strcat(path, (const char*)info);
#endif
int fd = open(path, B_READ_WRITE);
if (fd < 0)
return errno;
status_t status = init_common(fd, true);
if (status != B_OK)
goto err1;
// get read-only clone of supported display modes
status = gInfo->mode_list_area = clone_area(
"intel extreme cloned modes", (void**)&gInfo->mode_list,
B_ANY_ADDRESS, B_READ_AREA, gInfo->shared_info->mode_list_area);
if (status < B_OK)
goto err2;
return B_OK;
err2:
uninit_common();
err1:
close(fd);
return status;
}
/*! This is the common accelerant_info initializer. It is called by
both, the first accelerant and all clones.
*/
static status_t
init_common(int device, bool isClone)
{
// initialize global accelerant info structure
gInfo = (accelerant_info*)malloc(sizeof(accelerant_info));
if (gInfo == NULL)
return B_NO_MEMORY;
memset(gInfo, 0, sizeof(accelerant_info));
// malloc memory for active display information
for (uint32 id = 0; id < MAX_DISPLAY; id++) {
gDisplay[id] = (display_info*)malloc(sizeof(display_info));
if (gDisplay[id] == NULL)
return B_NO_MEMORY;
memset(gDisplay[id], 0, sizeof(display_info));
gDisplay[id]->regs = (register_info*)malloc(sizeof(register_info));
if (gDisplay[id]->regs == NULL)
return B_NO_MEMORY;
memset(gDisplay[id]->regs, 0, sizeof(register_info));
}
// malloc for possible physical card connectors
for (uint32 id = 0; id < ATOM_MAX_SUPPORTED_DEVICE; id++) {
gConnector[id] = (connector_info*)malloc(sizeof(connector_info));
if (gConnector[id] == NULL)
return B_NO_MEMORY;
memset(gConnector[id], 0, sizeof(connector_info));
}
// malloc for card gpio pin information
for (uint32 id = 0; id < ATOM_MAX_SUPPORTED_DEVICE; id++) {
gGPIOInfo[id] = (gpio_info*)malloc(sizeof(gpio_info));
if (gGPIOInfo[id] == NULL)
return B_NO_MEMORY;
memset(gGPIOInfo[id], 0, sizeof(gpio_info));
}
gInfo->is_clone = isClone;
gInfo->device = device;
gInfo->dpms_mode = B_DPMS_ON;
// initial state
// get basic info from driver
radeon_get_private_data data;
data.magic = RADEON_PRIVATE_DATA_MAGIC;
if (ioctl(device, RADEON_GET_PRIVATE_DATA, &data,
sizeof(radeon_get_private_data)) != 0) {
free(gInfo);
return B_ERROR;
}
AreaCloner sharedCloner;
gInfo->shared_info_area = sharedCloner.Clone("radeon hd shared info",
(void**)&gInfo->shared_info, B_ANY_ADDRESS, B_READ_AREA | B_WRITE_AREA,
data.shared_info_area);
status_t status = sharedCloner.InitCheck();
if (status < B_OK) {
free(gInfo);
TRACE("%s, failed to create shared area\n", __func__);
return status;
}
AreaCloner regsCloner;
gInfo->regs_area = regsCloner.Clone("radeon hd regs",
(void**)&gInfo->regs, B_ANY_ADDRESS, B_READ_AREA | B_WRITE_AREA,
gInfo->shared_info->registers_area);
status = regsCloner.InitCheck();
if (status < B_OK) {
free(gInfo);
TRACE("%s, failed to create mmio area\n", __func__);
return status;
}
gInfo->rom_area = clone_area("radeon hd AtomBIOS",
(void**)&gInfo->rom, B_ANY_ADDRESS, B_READ_AREA | B_WRITE_AREA,
gInfo->shared_info->rom_area);
if (gInfo->rom_area < 0) {
TRACE("%s: Clone of AtomBIOS failed!\n", __func__);
gInfo->shared_info->has_rom = false;
}
if (gInfo->rom[0] != 0x55 || gInfo->rom[1] != 0xAA)
TRACE("%s: didn't find a VGA bios in cloned region!\n", __func__);
sharedCloner.Keep();
regsCloner.Keep();
return B_OK;
}
status_t
SystemProfiler::Init()
{
// clone the user area
void* areaBase;
fKernelArea = clone_area("profiling samples", &areaBase,
B_ANY_KERNEL_ADDRESS, B_READ_AREA | B_WRITE_AREA,
fUserArea);
if (fKernelArea < 0)
return fKernelArea;
// we need the memory locked
status_t error = lock_memory(areaBase, fAreaSize, B_READ_DEVICE);
if (error != B_OK) {
delete_area(fKernelArea);
fKernelArea = -1;
return error;
}
// the buffer is ready for use
fHeader = (system_profiler_buffer_header*)areaBase;
fBufferBase = (uint8*)(fHeader + 1);
fBufferCapacity = fAreaSize - (fBufferBase - (uint8*)areaBase);
fHeader->start = 0;
fHeader->size = 0;
// allocate the wait object buffer and init the hash table
if (fWaitObjectCount > 0) {
fWaitObjectBuffer = new(std::nothrow) WaitObject[fWaitObjectCount];
if (fWaitObjectBuffer == NULL)
return B_NO_MEMORY;
for (int32 i = 0; i < fWaitObjectCount; i++)
fFreeWaitObjects.Add(fWaitObjectBuffer + i);
error = fWaitObjectTable.Init(fWaitObjectCount * 3 / 2);
if (error != B_OK)
return error;
}
// start listening for notifications
// teams
NotificationManager& notificationManager
= NotificationManager::Manager();
if ((fFlags & B_SYSTEM_PROFILER_TEAM_EVENTS) != 0) {
error = notificationManager.AddListener("teams",
TEAM_ADDED | TEAM_REMOVED | TEAM_EXEC, *this);
if (error != B_OK)
return error;
fTeamNotificationsRequested = true;
}
// threads
if ((fFlags & B_SYSTEM_PROFILER_THREAD_EVENTS) != 0) {
error = notificationManager.AddListener("threads",
THREAD_ADDED | THREAD_REMOVED, *this);
if (error != B_OK)
return error;
fThreadNotificationsRequested = true;
}
// images
if ((fFlags & B_SYSTEM_PROFILER_IMAGE_EVENTS) != 0) {
error = notificationManager.AddListener("images",
IMAGE_ADDED | IMAGE_REMOVED, *this);
if (error != B_OK)
return error;
fImageNotificationsRequested = true;
}
// I/O events
if ((fFlags & B_SYSTEM_PROFILER_IO_SCHEDULING_EVENTS) != 0) {
error = notificationManager.AddListener("I/O",
IO_SCHEDULER_ADDED | IO_SCHEDULER_REMOVED
| IO_SCHEDULER_REQUEST_SCHEDULED | IO_SCHEDULER_REQUEST_FINISHED
| IO_SCHEDULER_OPERATION_STARTED
| IO_SCHEDULER_OPERATION_FINISHED,
*this);
if (error != B_OK)
return error;
fIONotificationsRequested = true;
}
// We need to fill the buffer with the initial state of teams, threads,
// and images.
// teams
if ((fFlags & B_SYSTEM_PROFILER_TEAM_EVENTS) != 0) {
InterruptsSpinLocker locker(fLock);
TeamListIterator iterator;
while (Team* team = iterator.Next()) {
locker.Unlock();
bool added = _TeamAdded(team);
// release the reference returned by the iterator
team->ReleaseReference();
if (!added)
return B_BUFFER_OVERFLOW;
locker.Lock();
}
fTeamNotificationsEnabled = true;
}
// images
if ((fFlags & B_SYSTEM_PROFILER_IMAGE_EVENTS) != 0) {
if (image_iterate_through_images(&_InitialImageIterator, this) != NULL)
return B_BUFFER_OVERFLOW;
}
// threads
if ((fFlags & B_SYSTEM_PROFILER_THREAD_EVENTS) != 0) {
InterruptsSpinLocker locker(fLock);
ThreadListIterator iterator;
while (Thread* thread = iterator.Next()) {
locker.Unlock();
bool added = _ThreadAdded(thread);
// release the reference returned by the iterator
thread->ReleaseReference();
if (!added)
return B_BUFFER_OVERFLOW;
locker.Lock();
}
fThreadNotificationsEnabled = true;
}
fProfilingActive = true;
// start scheduler and wait object listening
if ((fFlags & B_SYSTEM_PROFILER_SCHEDULING_EVENTS) != 0) {
scheduler_add_listener(this);
fSchedulerNotificationsRequested = true;
InterruptsSpinLocker waitObjectLocker(gWaitObjectListenerLock);
add_wait_object_listener(this);
fWaitObjectNotificationsRequested = true;
waitObjectLocker.Unlock();
// fake schedule events for the initially running threads
int32 cpuCount = smp_get_num_cpus();
for (int32 i = 0; i < cpuCount; i++) {
Thread* thread = gCPU[i].running_thread;
if (thread != NULL)
ThreadScheduled(thread, thread);
}
}
// I/O scheduling
if ((fFlags & B_SYSTEM_PROFILER_IO_SCHEDULING_EVENTS) != 0) {
IOSchedulerRoster* roster = IOSchedulerRoster::Default();
AutoLocker<IOSchedulerRoster> rosterLocker(roster);
for (IOSchedulerList::ConstIterator it
= roster->SchedulerList().GetIterator();
IOScheduler* scheduler = it.Next();) {
_IOSchedulerAdded(scheduler);
}
fIONotificationsEnabled = true;
}
// activate the profiling timers on all CPUs
if ((fFlags & B_SYSTEM_PROFILER_SAMPLING_EVENTS) != 0)
call_all_cpus(_InitTimers, this);
return B_OK;
}
image_id
beos_dl_open(char *filename)
{
image_id im;
/* If a port doesn't exist, lauch support server */
if ((beos_dl_port_in <= 0) || (beos_dl_port_out <= 0))
{
/* Create communication port */
beos_dl_port_in = create_port(50, "beos_support_in");
beos_dl_port_out = create_port(50, "beos_support_in");
if ((beos_dl_port_in <= 0) || (beos_dl_port_out <= 0))
{
elog(WARNING, "error loading BeOS support server: could not create communication ports");
return B_ERROR;
}
else
{
char Cmd[4000];
/* Build arg list */
sprintf(Cmd, "%s -beossupportserver %d %d &", my_exec_path, (int) beos_dl_port_in, (int) beos_dl_port_out);
/* Lauch process */
system(Cmd);
}
}
/* Add-on loading */
/* Send command '1' (load) to the support server */
write_port(beos_dl_port_in, 1, filename, strlen(filename) + 1);
/* Read Object Id */
read_port(beos_dl_port_out, &im, NULL, 0);
/* Checking integrity */
if (im < 0)
{
elog(WARNING, "could not load this add-on");
return B_ERROR;
}
else
{
/* Map text and data segment in our address space */
char datas[4000];
int32 area;
int32 resu;
void *add;
/* read text segment id and address */
read_port(beos_dl_port_out, &area, datas, 4000);
read_port(beos_dl_port_out, (void *) &add, datas, 4000);
/* map text segment in our address space */
resu = clone_area(datas, &add, B_EXACT_ADDRESS, B_READ_AREA | B_WRITE_AREA, area);
if (resu < 0)
{
/* If we can't map, we are in reload case */
/* delete the mapping */
resu = delete_area(area_for(add));
/* Remap */
resu = clone_area(datas, &add, B_EXACT_ADDRESS, B_READ_AREA | B_WRITE_AREA, area);
if (resu < 0)
elog(WARNING, "could not load this add-on: map text error");
}
/* read text segment id and address */
read_port(beos_dl_port_out, &area, datas, 4000);
read_port(beos_dl_port_out, (void *) &add, datas, 4000);
/* map text segment in our address space */
resu = clone_area(datas, &add, B_EXACT_ADDRESS, B_READ_AREA | B_WRITE_AREA, area);
if (resu < 0)
{
/* If we can't map, we are in reload case */
/* delete the mapping */
resu = delete_area(area_for(add));
/* Remap */
resu = clone_area(datas, &add, B_EXACT_ADDRESS, B_READ_AREA | B_WRITE_AREA, area);
if (resu < 0)
elog(WARNING, "could not load this add-on: map data error");
}
return im;
}
}
/*
Initialize a copy of the accelerant as a clone. void *data points to
a copy of the data returned by GET_ACCELERANT_CLONE_INFO().
*/
status_t CLONE_ACCELERANT(void *data) {
status_t result;
char path[MAXPATHLEN];
/* the data is the device name */
/* Note: the R4 graphics driver kit is in error here (missing trailing '/') */
strcpy(path, "/dev/");
strcat(path, (const char *)data);
/* open the device, the permissions aren't important */
fd = open(path, B_READ_WRITE);
if (fd < 0)
{
/* we can't use LOG because we didn't get the shared_info struct.. */
char fname[64];
FILE *myhand = NULL;
sprintf (fname, "/boot/home/" DRIVER_PREFIX ".accelerant.0.log");
myhand=fopen(fname,"a+");
fprintf(myhand, "CLONE_ACCELERANT: couldn't open kerneldriver %s! Aborting.\n", path);
fclose(myhand);
/* abort with resultcode from open attempt on kerneldriver */
result = errno;
goto error0;
}
/* note that we're a clone accelerant */
accelerantIsClone = 1;
/* call the shared initialization code */
result = init_common(fd);
/* bail out if the common initialization failed */
if (result != B_OK) goto error1;
/* ensure that INIT_ACCELERANT is executed first (i.e. primary accelerant exists) */
if (!(si->accelerant_in_use))
{
result = B_NOT_ALLOWED;
goto error2;
}
/* get shared area for display modes */
result = my_mode_list_area = clone_area(
DRIVER_PREFIX " cloned display_modes",
(void **)&my_mode_list,
B_ANY_ADDRESS,
B_READ_AREA,
si->mode_area
);
if (result < B_OK) goto error2;
/* all done */
LOG(4,("CLONE_ACCELERANT: cloning was succesfull.\n"));
result = B_OK;
goto error0;
error2:
/* free up the areas we cloned */
uninit_common();
error1:
/* close the device we opened */
close(fd);
error0:
return result;
}
void
ServerApp::_HandleMessage(int32 code, const void* data, size_t size)
{
TRACE("ServerApp::HandleMessage %#lx enter\n", code);
switch (code) {
case SERVER_CHANGE_FLAVOR_INSTANCES_COUNT:
{
const server_change_flavor_instances_count_request& request
= *static_cast<
const server_change_flavor_instances_count_request*>(data);
server_change_flavor_instances_count_reply reply;
status_t status = B_BAD_VALUE;
if (request.delta == 1) {
status = gNodeManager->IncrementFlavorInstancesCount(
request.add_on_id, request.flavor_id, request.team);
} else if (request.delta == -1) {
status = gNodeManager->DecrementFlavorInstancesCount(
request.add_on_id, request.flavor_id, request.team);
}
request.SendReply(status, &reply, sizeof(reply));
break;
}
case SERVER_RESCAN_DEFAULTS:
{
gNodeManager->RescanDefaultNodes();
break;
}
case SERVER_REGISTER_APP:
{
const server_register_app_request& request = *static_cast<
const server_register_app_request*>(data);
server_register_app_reply reply;
status_t status = gAppManager->RegisterTeam(request.team,
request.messenger);
request.SendReply(status, &reply, sizeof(reply));
break;
}
case SERVER_UNREGISTER_APP:
{
const server_unregister_app_request& request = *static_cast<
const server_unregister_app_request*>(data);
server_unregister_app_reply reply;
status_t status = gAppManager->UnregisterTeam(request.team);
request.SendReply(status, &reply, sizeof(reply));
break;
}
case SERVER_GET_ADD_ON_REF:
{
const server_get_add_on_ref_request& request = *static_cast<
const server_get_add_on_ref_request*>(data);
server_get_add_on_ref_reply reply;
entry_ref ref;
reply.result = gNodeManager->GetAddOnRef(request.add_on_id, &ref);
reply.ref = ref;
request.SendReply(reply.result, &reply, sizeof(reply));
break;
}
case SERVER_NODE_ID_FOR:
{
const server_node_id_for_request& request
= *static_cast<const server_node_id_for_request*>(data);
server_node_id_for_reply reply;
status_t status = gNodeManager->FindNodeID(request.port,
&reply.node_id);
request.SendReply(status, &reply, sizeof(reply));
break;
}
case SERVER_GET_LIVE_NODE_INFO:
{
const server_get_live_node_info_request& request = *static_cast<
const server_get_live_node_info_request*>(data);
server_get_live_node_info_reply reply;
status_t status = gNodeManager->GetLiveNodeInfo(request.node,
&reply.live_info);
request.SendReply(status, &reply, sizeof(reply));
break;
}
case SERVER_GET_LIVE_NODES:
{
const server_get_live_nodes_request& request
= *static_cast<const server_get_live_nodes_request*>(data);
server_get_live_nodes_reply reply;
LiveNodeList nodes;
status_t status = gNodeManager->GetLiveNodes(nodes,
request.max_count,
request.has_input ? &request.input_format : NULL,
request.has_output ? &request.output_format : NULL,
request.has_name ? request.name : NULL, request.require_kinds);
reply.count = nodes.size();
reply.area = -1;
live_node_info* infos = reply.live_info;
area_id area = -1;
if (reply.count > MAX_LIVE_INFO) {
// We create an area here, and transfer it to the client
size_t size = (reply.count * sizeof(live_node_info)
+ B_PAGE_SIZE - 1) & ~(B_PAGE_SIZE - 1);
area = create_area("get live nodes", (void**)&infos,
B_ANY_ADDRESS, size, B_NO_LOCK, B_READ_AREA | B_WRITE_AREA);
if (area < 0) {
reply.area = area;
reply.count = 0;
}
}
for (int32 index = 0; index < reply.count; index++)
infos[index] = nodes[index];
if (area >= 0) {
// transfer the area to the target team
reply.area = _kern_transfer_area(area, &reply.address,
B_ANY_ADDRESS, request.team);
if (reply.area < 0) {
delete_area(area);
reply.count = 0;
}
}
status = request.SendReply(status, &reply, sizeof(reply));
if (status != B_OK && reply.area >= 0) {
// if we couldn't send the message, delete the area
delete_area(reply.area);
}
break;
}
case SERVER_GET_NODE_FOR:
{
const server_get_node_for_request& request
= *static_cast<const server_get_node_for_request*>(data);
server_get_node_for_reply reply;
status_t status = gNodeManager->GetCloneForID(request.node_id,
request.team, &reply.clone);
request.SendReply(status, &reply, sizeof(reply));
break;
}
case SERVER_RELEASE_NODE:
{
const server_release_node_request& request
= *static_cast<const server_release_node_request*>(data);
server_release_node_reply reply;
status_t status = gNodeManager->ReleaseNode(request.node,
request.team);
request.SendReply(status, &reply, sizeof(reply));
break;
}
case SERVER_RELEASE_NODE_ALL:
{
const server_release_node_request& request
= *static_cast<const server_release_node_request*>(data);
server_release_node_reply reply;
status_t status = gNodeManager->ReleaseNodeAll(request.node.node);
request.SendReply(status, &reply, sizeof(reply));
break;
}
case SERVER_REGISTER_NODE:
{
const server_register_node_request& request
= *static_cast<const server_register_node_request*>(data);
server_register_node_reply reply;
status_t status = gNodeManager->RegisterNode(request.add_on_id,
request.flavor_id, request.name, request.kinds, request.port,
request.team, &reply.node_id);
request.SendReply(status, &reply, sizeof(reply));
break;
}
case SERVER_UNREGISTER_NODE:
{
const server_unregister_node_request& request
= *static_cast<const server_unregister_node_request*>(data);
server_unregister_node_reply reply;
status_t status = gNodeManager->UnregisterNode(request.node_id,
request.team, &reply.add_on_id, &reply.flavor_id);
request.SendReply(status, &reply, sizeof(reply));
break;
}
case SERVER_PUBLISH_INPUTS:
{
const server_publish_inputs_request& request
= *static_cast<const server_publish_inputs_request*>(data);
server_publish_inputs_reply reply;
status_t status;
if (request.count <= MAX_INPUTS) {
status = gNodeManager->PublishInputs(request.node,
request.inputs, request.count);
} else {
media_input* inputs;
area_id clone;
clone = clone_area("media_inputs clone", (void**)&inputs,
B_ANY_ADDRESS, B_READ_AREA | B_WRITE_AREA, request.area);
if (clone < B_OK) {
ERROR("SERVER_PUBLISH_INPUTS: failed to clone area, "
"error %#lx\n", clone);
status = clone;
} else {
status = gNodeManager->PublishInputs(request.node, inputs,
request.count);
delete_area(clone);
}
}
request.SendReply(status, &reply, sizeof(reply));
break;
}
case SERVER_PUBLISH_OUTPUTS:
{
const server_publish_outputs_request& request
= *static_cast<const server_publish_outputs_request*>(data);
server_publish_outputs_reply reply;
status_t status;
if (request.count <= MAX_OUTPUTS) {
status = gNodeManager->PublishOutputs(request.node,
request.outputs, request.count);
} else {
media_output* outputs;
area_id clone;
clone = clone_area("media_outputs clone", (void**)&outputs,
B_ANY_ADDRESS, B_READ_AREA | B_WRITE_AREA, request.area);
if (clone < B_OK) {
ERROR("SERVER_PUBLISH_OUTPUTS: failed to clone area, "
"error %#lx\n", clone);
status = clone;
} else {
status = gNodeManager->PublishOutputs(request.node, outputs,
request.count);
delete_area(clone);
}
}
request.SendReply(status, &reply, sizeof(reply));
break;
}
case SERVER_GET_NODE:
{
const server_get_node_request& request
= *static_cast<const server_get_node_request*>(data);
server_get_node_reply reply;
status_t status = gNodeManager->GetClone(request.type, request.team,
&reply.node, reply.input_name, &reply.input_id);
request.SendReply(status, &reply, sizeof(reply));
break;
}
case SERVER_SET_NODE:
{
const server_set_node_request& request
= *static_cast<const server_set_node_request*>(data);
server_set_node_reply reply;
status_t status = gNodeManager->SetDefaultNode(request.type,
request.use_node ? &request.node : NULL,
request.use_dni ? &request.dni : NULL,
request.use_input ? &request.input : NULL);
request.SendReply(status, &reply, sizeof(reply));
break;
}
case SERVER_GET_DORMANT_NODE_FOR:
{
const server_get_dormant_node_for_request& request
= *static_cast<const server_get_dormant_node_for_request*>(
data);
server_get_dormant_node_for_reply reply;
status_t status = gNodeManager->GetDormantNodeInfo(request.node,
&reply.node_info);
request.SendReply(status, &reply, sizeof(reply));
break;
}
case SERVER_GET_INSTANCES_FOR:
{
const server_get_instances_for_request& request
= *static_cast<const server_get_instances_for_request*>(data);
server_get_instances_for_reply reply;
status_t status = gNodeManager->GetInstances(request.add_on_id,
request.flavor_id, reply.node_id, &reply.count,
min_c(request.max_count, MAX_NODE_ID));
if (reply.count == MAX_NODE_ID
&& request.max_count > MAX_NODE_ID) {
// TODO: might be fixed by using an area
PRINT(1, "Warning: SERVER_GET_INSTANCES_FOR: returning "
"possibly truncated list of node id's\n");
}
request.SendReply(status, &reply, sizeof(reply));
break;
}
case SERVER_REGISTER_ADD_ON:
{
const server_register_add_on_request& request = *static_cast<
const server_register_add_on_request*>(data);
server_register_add_on_reply reply;
gNodeManager->RegisterAddOn(request.ref, &reply.add_on_id);
request.SendReply(B_OK, &reply, sizeof(reply));
break;
}
case SERVER_UNREGISTER_ADD_ON:
{
const server_unregister_add_on_command& request = *static_cast<
const server_unregister_add_on_command*>(data);
gNodeManager->UnregisterAddOn(request.add_on_id);
break;
}
case SERVER_REGISTER_DORMANT_NODE:
{
const server_register_dormant_node_command& command
= *static_cast<const server_register_dormant_node_command*>(
data);
if (command.purge_id > 0)
gNodeManager->InvalidateDormantFlavorInfo(command.purge_id);
dormant_flavor_info dormantFlavorInfo;
status_t status = dormantFlavorInfo.Unflatten(command.type,
command.flattened_data, command.flattened_size);
if (status == B_OK)
gNodeManager->AddDormantFlavorInfo(dormantFlavorInfo);
break;
}
case SERVER_GET_DORMANT_NODES:
{
const server_get_dormant_nodes_request& request
= *static_cast<const server_get_dormant_nodes_request*>(data);
server_get_dormant_nodes_reply reply;
reply.count = request.max_count;
dormant_node_info* infos
= new(std::nothrow) dormant_node_info[reply.count];
if (infos != NULL) {
reply.result = gNodeManager->GetDormantNodes(infos,
&reply.count,
request.has_input ? &request.input_format : NULL,
request.has_output ? &request.output_format : NULL,
request.has_name ? request.name : NULL,
request.require_kinds, request.deny_kinds);
} else
reply.result = B_NO_MEMORY;
if (reply.result != B_OK)
reply.count = 0;
request.SendReply(reply.result, &reply, sizeof(reply));
if (reply.count > 0) {
write_port(request.reply_port, 0, infos,
reply.count * sizeof(dormant_node_info));
}
delete[] infos;
break;
}
case SERVER_GET_DORMANT_FLAVOR_INFO:
{
const server_get_dormant_flavor_info_request& request
= *static_cast<const server_get_dormant_flavor_info_request*>(
data);
dormant_flavor_info dormantFlavorInfo;
status_t status = gNodeManager->GetDormantFlavorInfoFor(
request.add_on_id, request.flavor_id, &dormantFlavorInfo);
if (status != B_OK) {
server_get_dormant_flavor_info_reply reply;
reply.result = status;
request.SendReply(reply.result, &reply, sizeof(reply));
} else {
size_t replySize
= sizeof(server_get_dormant_flavor_info_reply)
+ dormantFlavorInfo.FlattenedSize();
server_get_dormant_flavor_info_reply* reply
= (server_get_dormant_flavor_info_reply*)malloc(
replySize);
if (reply != NULL) {
reply->type = dormantFlavorInfo.TypeCode();
reply->flattened_size = dormantFlavorInfo.FlattenedSize();
reply->result = dormantFlavorInfo.Flatten(
reply->flattened_data, reply->flattened_size);
request.SendReply(reply->result, reply, replySize);
free(reply);
} else {
server_get_dormant_flavor_info_reply reply;
reply.result = B_NO_MEMORY;
request.SendReply(reply.result, &reply, sizeof(reply));
}
}
break;
}
case SERVER_SET_NODE_CREATOR:
{
const server_set_node_creator_request& request
= *static_cast<const server_set_node_creator_request*>(data);
server_set_node_creator_reply reply;
status_t status = gNodeManager->SetNodeCreator(request.node,
request.creator);
request.SendReply(status, &reply, sizeof(reply));
break;
}
case SERVER_GET_SHARED_BUFFER_AREA:
{
const server_get_shared_buffer_area_request& request
= *static_cast<const server_get_shared_buffer_area_request*>(
data);
server_get_shared_buffer_area_reply reply;
reply.area = gBufferManager->SharedBufferListArea();
request.SendReply(reply.area >= 0 ? B_OK : reply.area, &reply,
sizeof(reply));
break;
}
case SERVER_REGISTER_BUFFER:
{
const server_register_buffer_request& request
= *static_cast<const server_register_buffer_request*>(data);
server_register_buffer_reply reply;
status_t status;
if (request.info.buffer == 0) {
reply.info = request.info;
// size, offset, flags, area is kept
// get a new beuffer id into reply.info.buffer
status = gBufferManager->RegisterBuffer(request.team,
request.info.size, request.info.flags,
request.info.offset, request.info.area,
&reply.info.buffer);
} else {
reply.info = request.info; // buffer id is kept
status = gBufferManager->RegisterBuffer(request.team,
request.info.buffer, &reply.info.size, &reply.info.flags,
&reply.info.offset, &reply.info.area);
}
request.SendReply(status, &reply, sizeof(reply));
break;
}
case SERVER_UNREGISTER_BUFFER:
{
const server_unregister_buffer_command& request = *static_cast<
const server_unregister_buffer_command*>(data);
gBufferManager->UnregisterBuffer(request.team, request.buffer_id);
break;
}
case SERVER_GET_MEDIA_FILE_TYPES:
{
const server_get_media_types_request& request
= *static_cast<const server_get_media_types_request*>(data);
server_get_media_types_reply reply;
area_id area = gMediaFilesManager->GetTypesArea(reply.count);
if (area >= 0) {
// transfer the area to the target team
reply.area = _kern_transfer_area(area, &reply.address,
B_ANY_ADDRESS, request.team);
if (reply.area < 0) {
delete_area(area);
reply.area = B_ERROR;
reply.count = 0;
}
}
status_t status = request.SendReply(
reply.area < 0 ? reply.area : B_OK, &reply, sizeof(reply));
if (status != B_OK) {
// if we couldn't send the message, delete the area
delete_area(reply.area);
}
break;
}
case SERVER_GET_MEDIA_FILE_ITEMS:
{
const server_get_media_items_request& request
= *static_cast<const server_get_media_items_request*>(data);
server_get_media_items_reply reply;
area_id area = gMediaFilesManager->GetItemsArea(request.type,
reply.count);
if (area >= 0) {
// transfer the area to the target team
reply.area = _kern_transfer_area(area, &reply.address,
B_ANY_ADDRESS, request.team);
if (reply.area < 0) {
delete_area(area);
reply.area = B_ERROR;
reply.count = 0;
}
} else
reply.area = area;
status_t status = request.SendReply(
reply.area < 0 ? reply.area : B_OK, &reply, sizeof(reply));
if (status != B_OK) {
// if we couldn't send the message, delete the area
delete_area(reply.area);
}
break;
}
case SERVER_GET_REF_FOR:
{
const server_get_ref_for_request& request
= *static_cast<const server_get_ref_for_request*>(data);
server_get_ref_for_reply reply;
entry_ref* ref;
status_t status = gMediaFilesManager->GetRefFor(request.type,
request.item, &ref);
if (status == B_OK)
reply.ref = *ref;
request.SendReply(status, &reply, sizeof(reply));
break;
}
case SERVER_SET_REF_FOR:
{
const server_set_ref_for_request& request
= *static_cast<const server_set_ref_for_request*>(data);
server_set_ref_for_reply reply;
entry_ref ref = request.ref;
status_t status = gMediaFilesManager->SetRefFor(request.type,
request.item, ref);
request.SendReply(status, &reply, sizeof(reply));
break;
}
case SERVER_INVALIDATE_MEDIA_ITEM:
{
const server_invalidate_item_request& request
= *static_cast<const server_invalidate_item_request*>(data);
server_invalidate_item_reply reply;
status_t status = gMediaFilesManager->InvalidateItem(request.type,
request.item);
request.SendReply(status, &reply, sizeof(reply));
break;
}
case SERVER_REMOVE_MEDIA_ITEM:
{
const server_remove_media_item_request& request
= *static_cast<const server_remove_media_item_request*>(data);
server_remove_media_item_reply reply;
status_t status = gMediaFilesManager->RemoveItem(request.type,
request.item);
request.SendReply(status, &reply, sizeof(reply));
break;
}
case SERVER_GET_ITEM_AUDIO_GAIN:
{
const server_get_item_audio_gain_request& request
= *static_cast<const server_get_item_audio_gain_request*>(data);
server_get_item_audio_gain_reply reply;
status_t status = gMediaFilesManager->GetAudioGainFor(request.type,
request.item, &reply.gain);
request.SendReply(status, &reply, sizeof(reply));
break;
}
case SERVER_SET_ITEM_AUDIO_GAIN:
{
const server_set_item_audio_gain_request& request
= *static_cast<const server_set_item_audio_gain_request*>(data);
server_set_ref_for_reply reply;
status_t status = gMediaFilesManager->SetAudioGainFor(request.type,
request.item, request.gain);
request.SendReply(status, &reply, sizeof(reply));
break;
}
case SERVER_GET_READERS:
{
const server_get_readers_request& request
= *static_cast<const server_get_readers_request*>(data);
server_get_readers_reply reply;
status_t status = gAddOnManager->GetReaders(reply.ref, &reply.count,
MAX_READERS);
request.SendReply(status, &reply, sizeof(reply));
break;
}
case SERVER_GET_DECODER_FOR_FORMAT:
{
const server_get_decoder_for_format_request& request
= *static_cast<
const server_get_decoder_for_format_request*>(data);
server_get_decoder_for_format_reply reply;
status_t status = gAddOnManager->GetDecoderForFormat(&reply.ref,
request.format);
request.SendReply(status, &reply, sizeof(reply));
break;
}
case SERVER_GET_WRITER_FOR_FORMAT_FAMILY:
{
const server_get_writer_request& request
= *static_cast<const server_get_writer_request*>(data);
server_get_writer_reply reply;
status_t status = gAddOnManager->GetWriter(&reply.ref,
request.internal_id);
request.SendReply(status, &reply, sizeof(reply));
break;
}
case SERVER_GET_FILE_FORMAT_FOR_COOKIE:
{
const server_get_file_format_request& request
= *static_cast<const server_get_file_format_request*>(data);
server_get_file_format_reply reply;
status_t status = gAddOnManager->GetFileFormat(&reply.file_format,
request.cookie);
request.SendReply(status, &reply, sizeof(reply));
break;
}
case SERVER_GET_CODEC_INFO_FOR_COOKIE:
{
const server_get_codec_info_request& request
= *static_cast<const server_get_codec_info_request*>(data);
server_get_codec_info_reply reply;
status_t status = gAddOnManager->GetCodecInfo(&reply.codec_info,
&reply.format_family, &reply.input_format,
&reply.output_format, request.cookie);
request.SendReply(status, &reply, sizeof(reply));
break;
}
case SERVER_GET_ENCODER_FOR_CODEC_INFO:
{
const server_get_encoder_for_codec_info_request& request
= *static_cast<
const server_get_encoder_for_codec_info_request*>(data);
server_get_encoder_for_codec_info_reply reply;
status_t status = gAddOnManager->GetEncoder(&reply.ref, request.id);
request.SendReply(status, &reply, sizeof(reply));
break;
}
default:
printf("media_server: received unknown message code %#08lx\n",
code);
}
TRACE("ServerApp::HandleMessage %#lx leave\n", code);
}
template<typename R> status_t operator()(R* request)
{
// check the request buffer size
if (fRequestBufferSize < (int32)sizeof(R))
RETURN_ERROR(B_BAD_DATA);
// no need to relocate the addresses of a reply that indicates an error
if (is_error_reply(request)) {
fSuccess = true;
return B_OK;
}
// get the address infos
AddressInfo infos[MAX_REQUEST_ADDRESS_COUNT];
int32 count = 0;
status_t error = request->GetAddressInfos(infos, &count);
if (error != B_OK)
RETURN_ERROR(error);
// check and relocate the addresses
for (int32 i = 0; i < count; i++) {
// check
Address* address = infos[i].address;
int32 size = address->GetSize();
int32 offset = address->GetOffset();
//PRINT((" relocating address: area: %ld, offset: %ld, size: %ld...\n",
//address->GetArea(), offset, size));
if (offset < 0 || size < 0 || size > infos[i].max_size)
RETURN_ERROR(B_BAD_DATA);
if ((infos[i].flags & ADDRESS_NOT_NULL) && size == 0)
RETURN_ERROR(B_BAD_DATA);
// relocate
area_id area = address->GetArea();
if (area < 0) {
// data in the buffer itself
if (offset == 0 && size == 0) {
//PRINT((" -> relocated address: NULL\n"));
address->SetRelocatedAddress(NULL);
} else {
if (offset < (int32)sizeof(R)
|| offset + size > fRequestBufferSize) {
RETURN_ERROR(B_BAD_DATA);
}
//PRINT((" -> relocated address: %p\n", (uint8*)request + offset));
address->SetRelocatedAddress((uint8*)request + offset);
}
} else {
// clone the area
void* data;
area = clone_area("cloned request data", &data,
#ifdef _KERNEL_MODE
B_ANY_KERNEL_ADDRESS,
#else
B_ANY_ADDRESS,
#endif
B_READ_AREA, area);
if (area < 0)
RETURN_ERROR(area);
fAreas[(*fAreaCount)++] = area;
// check offset and size
area_info areaInfo;
error = get_area_info(area, &areaInfo);
if (error != B_OK)
RETURN_ERROR(error);
if (offset + size > (int32)areaInfo.size)
RETURN_ERROR(B_BAD_DATA);
//PRINT((" -> relocated address: %p\n", (uint8*)data + offset));
address->SetRelocatedAddress((uint8*)data + offset);
}
}
// finally let the request check its integrity
error = request->Check();
if (error != B_OK)
RETURN_ERROR(error);
fSuccess = true;
//PRINT(("RequestRelocator done: success\n"));
return B_OK;
}
static int32
bus_std_ops(int32 op, ...)
{
switch (op) {
case B_MODULE_INIT: {
TRACE_MODULE("init\n");
if (gUSBStack)
return B_OK;
#ifdef HAIKU_TARGET_PLATFORM_BEOS
// This code is to handle plain R5 (non-BONE) where the same module
// gets loaded multiple times (once for each exported module
// interface, the USB v2 and v3 API in our case). We don't want to
// ever create multiple stacks however, so we "share" the same stack
// for both modules by storing it's address in a shared area.
void *address = NULL;
area_id shared = find_area("shared usb stack");
if (shared >= B_OK && clone_area("usb stack clone", &address,
B_ANY_KERNEL_ADDRESS, B_KERNEL_READ_AREA, shared) >= B_OK) {
gUSBStack = *((Stack **)address);
TRACE_MODULE("found shared stack at %p\n", gUSBStack);
return B_OK;
}
#endif
#ifdef TRACE_USB
set_dprintf_enabled(true);
#ifndef HAIKU_TARGET_PLATFORM_HAIKU
load_driver_symbols("usb");
#endif
#endif
Stack *stack = new(std::nothrow) Stack();
TRACE_MODULE("usb_module: stack created %p\n", stack);
if (!stack)
return B_NO_MEMORY;
if (stack->InitCheck() != B_OK) {
delete stack;
return ENODEV;
}
gUSBStack = stack;
#ifdef HAIKU_TARGET_PLATFORM_HAIKU
add_debugger_command("get_usb_pipe_for_id",
&debug_get_pipe_for_id,
"Gets the config for a USB pipe");
#elif HAIKU_TARGET_PLATFORM_BEOS
// Plain R5 workaround, see comment above.
shared = create_area("shared usb stack", &address,
B_ANY_KERNEL_ADDRESS, B_PAGE_SIZE, B_NO_LOCK,
B_KERNEL_WRITE_AREA);
if (shared >= B_OK)
*((Stack **)address) = gUSBStack;
#endif
break;
}
case B_MODULE_UNINIT:
TRACE_MODULE("uninit\n");
delete gUSBStack;
gUSBStack = NULL;
#ifdef HAIKU_TARGET_PLATFORM_HAIKU
remove_debugger_command("get_usb_pipe_for_id",
&debug_get_pipe_for_id);
#endif
break;
default:
return EINVAL;
}
return B_OK;
}
void
ServerApp::HandleMessage(int32 code, void *data, size_t size)
{
status_t rv;
TRACE("ServerApp::HandleMessage %#lx enter\n", code);
switch (code) {
case SERVER_CHANGE_ADDON_FLAVOR_INSTANCES_COUNT:
{
const server_change_addon_flavor_instances_count_request *request = reinterpret_cast<const server_change_addon_flavor_instances_count_request *>(data);
server_change_addon_flavor_instances_count_reply reply;
ASSERT(request->delta == 1 || request->delta == -1);
if (request->delta == 1)
rv = gNodeManager->IncrementAddonFlavorInstancesCount(request->addonid, request->flavorid, request->team);
else
rv = gNodeManager->DecrementAddonFlavorInstancesCount(request->addonid, request->flavorid, request->team);
request->SendReply(rv, &reply, sizeof(reply));
break;
}
case SERVER_RESCAN_DEFAULTS:
{
gNodeManager->RescanDefaultNodes();
break;
}
case SERVER_REGISTER_ADDONSERVER:
{
const server_register_addonserver_request *request = reinterpret_cast<const server_register_addonserver_request *>(data);
server_register_addonserver_reply reply;
rv = gAppManager->RegisterAddonServer(request->team);
request->SendReply(rv, &reply, sizeof(reply));
break;
}
case SERVER_REGISTER_APP:
{
const server_register_app_request *request = reinterpret_cast<const server_register_app_request *>(data);
server_register_app_reply reply;
rv = gAppManager->RegisterTeam(request->team, request->messenger);
request->SendReply(rv, &reply, sizeof(reply));
break;
}
case SERVER_UNREGISTER_APP:
{
const server_unregister_app_request *request = reinterpret_cast<const server_unregister_app_request *>(data);
server_unregister_app_reply reply;
rv = gAppManager->UnregisterTeam(request->team);
request->SendReply(rv, &reply, sizeof(reply));
break;
}
case SERVER_GET_MEDIAADDON_REF:
{
server_get_mediaaddon_ref_request *msg = (server_get_mediaaddon_ref_request *)data;
server_get_mediaaddon_ref_reply reply;
entry_ref tempref;
reply.result = gNodeManager->GetAddonRef(&tempref, msg->addonid);
reply.ref = tempref;
write_port(msg->reply_port, 0, &reply, sizeof(reply));
break;
}
case SERVER_NODE_ID_FOR:
{
const server_node_id_for_request *request = reinterpret_cast<const server_node_id_for_request *>(data);
server_node_id_for_reply reply;
rv = gNodeManager->FindNodeId(&reply.nodeid, request->port);
request->SendReply(rv, &reply, sizeof(reply));
break;
}
case SERVER_GET_LIVE_NODE_INFO:
{
const server_get_live_node_info_request *request = reinterpret_cast<const server_get_live_node_info_request *>(data);
server_get_live_node_info_reply reply;
rv = gNodeManager->GetLiveNodeInfo(&reply.live_info, request->node);
request->SendReply(rv, &reply, sizeof(reply));
break;
}
case SERVER_GET_LIVE_NODES:
{
const server_get_live_nodes_request *request = reinterpret_cast<const server_get_live_nodes_request *>(data);
server_get_live_nodes_reply reply;
Stack<live_node_info> livenodes;
rv = gNodeManager->GetLiveNodes(
&livenodes,
request->maxcount,
request->has_input ? &request->inputformat : NULL,
request->has_output ? &request->outputformat : NULL,
request->has_name ? request->name : NULL,
request->require_kinds);
reply.count = livenodes.CountItems();
if (reply.count <= MAX_LIVE_INFO) {
for (int32 index = 0; index < reply.count; index++)
livenodes.Pop(&reply.live_info[index]);
reply.area = -1;
} else {
// we create an area here, and pass it to the library, where it will be deleted.
live_node_info *start_addr;
size_t size;
size = ((reply.count * sizeof(live_node_info)) + B_PAGE_SIZE - 1) & ~(B_PAGE_SIZE - 1);
reply.area = create_area("get live nodes", reinterpret_cast<void **>(&start_addr), B_ANY_ADDRESS, size, B_NO_LOCK, B_READ_AREA | B_WRITE_AREA);
if (reply.area < B_OK) {
ERROR("SERVER_GET_LIVE_NODES: failed to create area, error %#lx\n", reply.area);
reply.count = 0;
rv = B_ERROR;
} else {
for (int32 index = 0; index < reply.count; index++)
livenodes.Pop(&start_addr[index]);
}
}
rv = request->SendReply(rv, &reply, sizeof(reply));
if (rv != B_OK)
delete_area(reply.area); // if we couldn't send the message, delete the area
break;
}
case SERVER_GET_NODE_FOR:
{
const server_get_node_for_request *request = reinterpret_cast<const server_get_node_for_request *>(data);
server_get_node_for_reply reply;
rv = gNodeManager->GetCloneForId(&reply.clone, request->nodeid, request->team);
request->SendReply(rv, &reply, sizeof(reply));
break;
}
case SERVER_RELEASE_NODE:
{
const server_release_node_request *request = reinterpret_cast<const server_release_node_request *>(data);
server_release_node_reply reply;
rv = gNodeManager->ReleaseNode(request->node, request->team);
request->SendReply(rv, &reply, sizeof(reply));
break;
}
case SERVER_REGISTER_NODE:
{
const server_register_node_request *request = reinterpret_cast<const server_register_node_request *>(data);
server_register_node_reply reply;
rv = gNodeManager->RegisterNode(&reply.nodeid, request->addon_id, request->addon_flavor_id, request->name, request->kinds, request->port, request->team);
request->SendReply(rv, &reply, sizeof(reply));
break;
}
case SERVER_UNREGISTER_NODE:
{
const server_unregister_node_request *request = reinterpret_cast<const server_unregister_node_request *>(data);
server_unregister_node_reply reply;
rv = gNodeManager->UnregisterNode(&reply.addonid, &reply.flavorid, request->nodeid, request->team);
request->SendReply(rv, &reply, sizeof(reply));
break;
}
case SERVER_PUBLISH_INPUTS:
{
const server_publish_inputs_request *request = reinterpret_cast<const server_publish_inputs_request *>(data);
server_publish_inputs_reply reply;
if (request->count <= MAX_INPUTS) {
rv = gNodeManager->PublishInputs(request->node, request->inputs, request->count);
} else {
media_input *inputs;
area_id clone;
clone = clone_area("media_inputs clone", reinterpret_cast<void **>(&inputs), B_ANY_ADDRESS, B_READ_AREA | B_WRITE_AREA, request->area);
if (clone < B_OK) {
ERROR("SERVER_PUBLISH_INPUTS: failed to clone area, error %#lx\n", clone);
rv = B_ERROR;
} else {
rv = gNodeManager->PublishInputs(request->node, inputs, request->count);
delete_area(clone);
}
}
request->SendReply(rv, &reply, sizeof(reply));
break;
}
case SERVER_PUBLISH_OUTPUTS:
{
const server_publish_outputs_request *request = reinterpret_cast<const server_publish_outputs_request *>(data);
server_publish_outputs_reply reply;
if (request->count <= MAX_OUTPUTS) {
rv = gNodeManager->PublishOutputs(request->node, request->outputs, request->count);
} else {
media_output *outputs;
area_id clone;
clone = clone_area("media_outputs clone", reinterpret_cast<void **>(&outputs), B_ANY_ADDRESS, B_READ_AREA | B_WRITE_AREA, request->area);
if (clone < B_OK) {
ERROR("SERVER_PUBLISH_OUTPUTS: failed to clone area, error %#lx\n", clone);
rv = B_ERROR;
} else {
rv = gNodeManager->PublishOutputs(request->node, outputs, request->count);
delete_area(clone);
}
}
request->SendReply(rv, &reply, sizeof(reply));
break;
}
case SERVER_GET_NODE:
{
const server_get_node_request *request = reinterpret_cast<const server_get_node_request *>(data);
server_get_node_reply reply;
rv = gNodeManager->GetClone(&reply.node, reply.input_name, &reply.input_id, request->type, request->team);
request->SendReply(rv, &reply, sizeof(reply));
break;
}
case SERVER_SET_NODE:
{
const server_set_node_request *request = reinterpret_cast<const server_set_node_request *>(data);
server_set_node_reply reply;
rv = gNodeManager->SetDefaultNode(request->type, request->use_node ? &request->node : NULL, request->use_dni ? &request->dni : NULL, request->use_input ? &request->input : NULL);
request->SendReply(rv, &reply, sizeof(reply));
break;
}
case SERVER_GET_DORMANT_NODE_FOR:
{
const server_get_dormant_node_for_request *request = reinterpret_cast<const server_get_dormant_node_for_request *>(data);
server_get_dormant_node_for_reply reply;
rv = gNodeManager->GetDormantNodeInfo(&reply.node_info, request->node);
request->SendReply(rv, &reply, sizeof(reply));
break;
}
case SERVER_GET_INSTANCES_FOR:
{
const server_get_instances_for_request *request = reinterpret_cast<const server_get_instances_for_request *>(data);
server_get_instances_for_reply reply;
rv = gNodeManager->GetInstances(reply.node_id, &reply.count, min_c(request->maxcount, MAX_NODE_ID), request->addon_id, request->addon_flavor_id);
if (reply.count == MAX_NODE_ID && request->maxcount > MAX_NODE_ID) { // XXX might be fixed by using an area
PRINT(1, "Warning: SERVER_GET_INSTANCES_FOR: returning possibly truncated list of node id's\n");
}
request->SendReply(rv, &reply, sizeof(reply));
break;
}
case SERVER_REGISTER_MEDIAADDON:
{
server_register_mediaaddon_request *msg = (server_register_mediaaddon_request *)data;
server_register_mediaaddon_reply reply;
gNodeManager->RegisterAddon(msg->ref, &reply.addonid);
write_port(msg->reply_port, 0, &reply, sizeof(reply));
break;
}
case SERVER_UNREGISTER_MEDIAADDON:
{
server_unregister_mediaaddon_command *msg = (server_unregister_mediaaddon_command *)data;
gNodeManager->UnregisterAddon(msg->addonid);
break;
}
case SERVER_REGISTER_DORMANT_NODE:
{
xfer_server_register_dormant_node *msg = (xfer_server_register_dormant_node *)data;
dormant_flavor_info dfi;
if (msg->purge_id > 0)
gNodeManager->InvalidateDormantFlavorInfo(msg->purge_id);
rv = dfi.Unflatten(msg->dfi_type, &(msg->dfi), msg->dfi_size);
ASSERT(rv == B_OK);
gNodeManager->AddDormantFlavorInfo(dfi);
break;
}
case SERVER_GET_DORMANT_NODES:
{
xfer_server_get_dormant_nodes *msg = (xfer_server_get_dormant_nodes *)data;
xfer_server_get_dormant_nodes_reply reply;
dormant_node_info * infos = new dormant_node_info[msg->maxcount];
reply.count = msg->maxcount;
reply.result = gNodeManager->GetDormantNodes(
infos,
&reply.count,
msg->has_input ? &msg->inputformat : NULL,
msg->has_output ? &msg->outputformat : NULL,
msg->has_name ? msg->name : NULL,
msg->require_kinds,
msg->deny_kinds);
if (reply.result != B_OK)
reply.count = 0;
write_port(msg->reply_port, 0, &reply, sizeof(reply));
if (reply.count > 0)
write_port(msg->reply_port, 0, infos, reply.count * sizeof(dormant_node_info));
delete [] infos;
break;
}
case SERVER_GET_DORMANT_FLAVOR_INFO:
{
xfer_server_get_dormant_flavor_info *msg = (xfer_server_get_dormant_flavor_info *)data;
dormant_flavor_info dfi;
status_t rv;
rv = gNodeManager->GetDormantFlavorInfoFor(msg->addon, msg->flavor_id, &dfi);
if (rv != B_OK) {
xfer_server_get_dormant_flavor_info_reply reply;
reply.result = rv;
write_port(msg->reply_port, 0, &reply, sizeof(reply));
} else {
xfer_server_get_dormant_flavor_info_reply *reply;
int replysize;
replysize = sizeof(xfer_server_get_dormant_flavor_info_reply) + dfi.FlattenedSize();
reply = (xfer_server_get_dormant_flavor_info_reply *)malloc(replysize);
reply->dfi_size = dfi.FlattenedSize();
reply->dfi_type = dfi.TypeCode();
reply->result = dfi.Flatten(reply->dfi, reply->dfi_size);
write_port(msg->reply_port, 0, reply, replysize);
free(reply);
}
break;
}
case SERVER_SET_NODE_CREATOR:
{
const server_set_node_creator_request *request = reinterpret_cast<const server_set_node_creator_request *>(data);
server_set_node_creator_reply reply;
rv = gNodeManager->SetNodeCreator(request->node, request->creator);
request->SendReply(rv, &reply, sizeof(reply));
break;
}
case SERVER_GET_SHARED_BUFFER_AREA:
{
const server_get_shared_buffer_area_request *request = reinterpret_cast<const server_get_shared_buffer_area_request *>(data);
server_get_shared_buffer_area_reply reply;
reply.area = gBufferManager->SharedBufferListID();
request->SendReply(B_OK, &reply, sizeof(reply));
break;
}
case SERVER_REGISTER_BUFFER:
{
const server_register_buffer_request *request = reinterpret_cast<const server_register_buffer_request *>(data);
server_register_buffer_reply reply;
status_t status;
if (request->info.buffer == 0) {
reply.info = request->info; //size, offset, flags, area is kept
// get a new beuffer id into reply.info.buffer
status = gBufferManager->RegisterBuffer(request->team, request->info.size, request->info.flags, request->info.offset, request->info.area, &reply.info.buffer);
} else {
reply.info = request->info; //buffer id is kept
status = gBufferManager->RegisterBuffer(request->team, request->info.buffer, &reply.info.size, &reply.info.flags, &reply.info.offset, &reply.info.area);
}
request->SendReply(status, &reply, sizeof(reply));
break;
}
case SERVER_UNREGISTER_BUFFER:
{
const server_unregister_buffer_command *cmd = reinterpret_cast<const server_unregister_buffer_command *>(data);
gBufferManager->UnregisterBuffer(cmd->team, cmd->bufferid);
break;
}
case SERVER_REWINDTYPES:
{
const server_rewindtypes_request *request = reinterpret_cast<const server_rewindtypes_request *>(data);
server_rewindtypes_reply reply;
BString **types = NULL;
rv = gMMediaFilesManager->RewindTypes(
&types, &reply.count);
if(reply.count>0) {
// we create an area here, and pass it to the library, where it will be deleted.
char *start_addr;
size_t size = ((reply.count * B_MEDIA_NAME_LENGTH) + B_PAGE_SIZE - 1) & ~(B_PAGE_SIZE - 1);
reply.area = create_area("rewind types", reinterpret_cast<void **>(&start_addr), B_ANY_ADDRESS, size, B_NO_LOCK, B_READ_AREA | B_WRITE_AREA);
if (reply.area < B_OK) {
ERROR("SERVER_REWINDTYPES: failed to create area, error %s\n", strerror(reply.area));
reply.count = 0;
rv = B_ERROR;
} else {
for (int32 index = 0; index < reply.count; index++)
strncpy(start_addr + B_MEDIA_NAME_LENGTH * index, types[index]->String(), B_MEDIA_NAME_LENGTH);
}
}
delete types;
rv = request->SendReply(rv, &reply, sizeof(reply));
if (rv != B_OK)
delete_area(reply.area); // if we couldn't send the message, delete the area
break;
}
case SERVER_REWINDREFS:
{
const server_rewindrefs_request *request = reinterpret_cast<const server_rewindrefs_request *>(data);
server_rewindrefs_reply reply;
BString **items = NULL;
rv = gMMediaFilesManager->RewindRefs(request->type,
&items, &reply.count);
// we create an area here, and pass it to the library, where it will be deleted.
if(reply.count>0) {
char *start_addr;
size_t size = ((reply.count * B_MEDIA_NAME_LENGTH) + B_PAGE_SIZE - 1) & ~(B_PAGE_SIZE - 1);
reply.area = create_area("rewind refs", reinterpret_cast<void **>(&start_addr), B_ANY_ADDRESS, size, B_NO_LOCK, B_READ_AREA | B_WRITE_AREA);
if (reply.area < B_OK) {
ERROR("SERVER_REWINDREFS: failed to create area, error %s\n", strerror(reply.area));
reply.count = 0;
rv = B_ERROR;
} else {
for (int32 index = 0; index < reply.count; index++)
strncpy(start_addr + B_MEDIA_NAME_LENGTH * index, items[index]->String(), B_MEDIA_NAME_LENGTH);
}
}
delete items;
rv = request->SendReply(rv, &reply, sizeof(reply));
if (rv != B_OK)
delete_area(reply.area); // if we couldn't send the message, delete the area
break;
}
case SERVER_GETREFFOR:
{
const server_getreffor_request *request = reinterpret_cast<const server_getreffor_request *>(data);
server_getreffor_reply reply;
entry_ref *ref;
rv = gMMediaFilesManager->GetRefFor(request->type, request->item, &ref);
if(rv==B_OK) {
reply.ref = *ref;
}
request->SendReply(rv, &reply, sizeof(reply));
break;
}
case SERVER_SETREFFOR:
{
const server_setreffor_request *request = reinterpret_cast<const server_setreffor_request *>(data);
server_setreffor_reply reply;
entry_ref ref = request->ref;
rv = gMMediaFilesManager->SetRefFor(request->type, request->item, ref);
request->SendReply(rv, &reply, sizeof(reply));
break;
}
case SERVER_REMOVEREFFOR:
{
const server_removereffor_request *request = reinterpret_cast<const server_removereffor_request *>(data);
server_removereffor_reply reply;
entry_ref ref = request->ref;
rv = gMMediaFilesManager->RemoveRefFor(request->type, request->item, ref);
request->SendReply(rv, &reply, sizeof(reply));
break;
}
case SERVER_REMOVEITEM:
{
const server_removeitem_request *request = reinterpret_cast<const server_removeitem_request *>(data);
server_removeitem_reply reply;
rv = gMMediaFilesManager->RemoveItem(request->type, request->item);
request->SendReply(rv, &reply, sizeof(reply));
break;
}
case SERVER_GET_READERS:
{
const server_get_readers_request *request = reinterpret_cast<const server_get_readers_request *>(data);
server_get_readers_reply reply;
rv = gAddOnManager->GetReaders(reply.ref, &reply.count, MAX_READERS);
request->SendReply(rv, &reply, sizeof(reply));
break;
}
case SERVER_GET_DECODER_FOR_FORMAT:
{
const server_get_decoder_for_format_request *request = reinterpret_cast<const server_get_decoder_for_format_request *>(data);
server_get_decoder_for_format_reply reply;
rv = gAddOnManager->GetDecoderForFormat(&reply.ref, request->format);
request->SendReply(rv, &reply, sizeof(reply));
break;
}
default:
printf("media_server: received unknown message code %#08lx\n",code);
}
TRACE("ServerApp::HandleMessage %#lx leave\n", code);
}
int rtR0MemObjNativeMapKernel(PPRTR0MEMOBJINTERNAL ppMem, RTR0MEMOBJ pMemToMap, void *pvFixed, size_t uAlignment,
unsigned fProt, size_t offSub, size_t cbSub)
{
PRTR0MEMOBJHAIKU pMemToMapHaiku = (PRTR0MEMOBJHAIKU)pMemToMap;
PRTR0MEMOBJHAIKU pMemHaiku;
area_id area = -1;
void *pvMap = pvFixed;
uint32 uAddrSpec = B_EXACT_ADDRESS;
uint32 fProtect = 0;
int rc = VERR_MAP_FAILED;
AssertMsgReturn(!offSub && !cbSub, ("%#x %#x\n", offSub, cbSub), VERR_NOT_SUPPORTED);
AssertMsgReturn(pvFixed == (void *)-1, ("%p\n", pvFixed), VERR_NOT_SUPPORTED);
#if 0
/** @todo r=ramshankar: Wrong format specifiers, fix later! */
dprintf("%s(%p, %p, %p, %d, %x, %u, %u)\n", __FUNCTION__, ppMem, pMemToMap, pvFixed, uAlignment,
fProt, offSub, cbSub);
#endif
/* Check that the specified alignment is supported. */
if (uAlignment > PAGE_SIZE)
return VERR_NOT_SUPPORTED;
/* We can't map anything to the first page, sorry. */
if (pvFixed == 0)
return VERR_NOT_SUPPORTED;
if (fProt & RTMEM_PROT_READ)
fProtect |= B_KERNEL_READ_AREA;
if (fProt & RTMEM_PROT_WRITE)
fProtect |= B_KERNEL_WRITE_AREA;
/*
* Either the object we map has an area associated with, which we can clone,
* or it's a physical address range which we must map.
*/
if (pMemToMapHaiku->AreaId > -1)
{
if (pvFixed == (void *)-1)
uAddrSpec = B_ANY_KERNEL_ADDRESS;
rc = area = clone_area("IPRT R0MemObj MapKernel", &pvMap, uAddrSpec, fProtect, pMemToMapHaiku->AreaId);
LogFlow(("rtR0MemObjNativeMapKernel: clone_area uAddrSpec=%d fProtect=%x AreaId=%d rc=%d\n", uAddrSpec, fProtect,
pMemToMapHaiku->AreaId, rc));
}
else if (pMemToMapHaiku->Core.enmType == RTR0MEMOBJTYPE_PHYS)
{
/* map_physical_memory() won't let you choose where. */
if (pvFixed != (void *)-1)
return VERR_NOT_SUPPORTED;
uAddrSpec = B_ANY_KERNEL_ADDRESS;
rc = area = map_physical_memory("IPRT R0MemObj MapKernelPhys", (phys_addr_t)pMemToMapHaiku->Core.u.Phys.PhysBase,
pMemToMapHaiku->Core.cb, uAddrSpec, fProtect, &pvMap);
}
else
return VERR_NOT_SUPPORTED;
if (rc >= B_OK)
{
/* Create the object. */
pMemHaiku = (PRTR0MEMOBJHAIKU)rtR0MemObjNew(sizeof(RTR0MEMOBJHAIKU), RTR0MEMOBJTYPE_MAPPING, pvMap,
pMemToMapHaiku->Core.cb);
if (RT_UNLIKELY(!pMemHaiku))
return VERR_NO_MEMORY;
pMemHaiku->Core.u.Mapping.R0Process = NIL_RTR0PROCESS;
pMemHaiku->Core.pv = pvMap;
pMemHaiku->AreaId = area;
*ppMem = &pMemHaiku->Core;
return VINF_SUCCESS;
}
rc = VERR_MAP_FAILED;
/** @todo finish the implementation. */
rtR0MemObjDelete(&pMemHaiku->Core);
return rc;
}
