* Cleanup, BufferManager now aggregates the buffer map as well as its locker
instead of allocating them separately, no functional change. git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@32153 a95241bf-73f2-0310-859d-f6bbb57e9c96
This commit is contained in:
Axel Dörfler
parent
86766d6aca
commit
696b8f43fb
@ -2,166 +2,184 @@
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* Copyright 2002, Marcus Overhagen. All rights reserved.
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* Distributed under the terms of the MIT License.
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*/
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#include <MediaDefs.h>
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#include <Autolock.h>
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#include "BufferManager.h"
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#include "SharedBufferList.h"
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#include <Autolock.h>
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#include "debug.h"
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#include "SharedBufferList.h"
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BufferManager::BufferManager()
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: fSharedBufferList(_shared_buffer_list::Clone()),
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fNextBufferId(1),
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fLocker(new BLocker("buffer manager locker")),
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fBufferInfoMap(new Map<media_buffer_id, buffer_info>)
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:
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fSharedBufferList(_shared_buffer_list::Clone()),
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fNextBufferID(1),
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fLocker("buffer manager locker")
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{
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fSharedBufferListId = area_for(fSharedBufferList);
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ASSERT(fSharedBufferList!=NULL);
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ASSERT(fSharedBufferListId > 0);
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fSharedBufferListID = area_for(fSharedBufferList);
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}
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BufferManager::~BufferManager()
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{
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fSharedBufferList->Unmap();
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delete fLocker;
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delete fBufferInfoMap;
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}
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area_id
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BufferManager::SharedBufferListID()
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{
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return fSharedBufferListId;
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return fSharedBufferListID;
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}
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status_t
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BufferManager::RegisterBuffer(team_id teamid, media_buffer_id bufferid,
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size_t *size, int32 *flags, size_t *offset, area_id *area)
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BufferManager::RegisterBuffer(team_id team, media_buffer_id bufferID,
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size_t* _size, int32* _flags, size_t* _offset, area_id* _area)
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{
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BAutolock lock(fLocker);
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TRACE("RegisterBuffer team = %ld, bufferid = %ld\n", teamid, bufferid);
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TRACE("RegisterBuffer team = %ld, bufferid = %ld\n", team, bufferID);
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buffer_info* info;
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if (!fBufferInfoMap->Get(bufferid, &info)) {
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ERROR("failed to register buffer! team = %ld, bufferid = %ld\n", teamid, bufferid);
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if (!fBufferInfoMap.Get(bufferID, &info)) {
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ERROR("failed to register buffer! team = %ld, bufferid = %ld\n", team,
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bufferID);
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return B_ERROR;
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}
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info->teams.Insert(teamid);
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info->teams.Insert(team);
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*_area = info->area;
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*_offset = info->offset;
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*_size = info->size,
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*_flags = info->flags;
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*area = info->area;
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*offset = info->offset;
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*size = info->size,
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*flags = info->flags;
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return B_OK;
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}
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status_t
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BufferManager::RegisterBuffer(team_id teamid, size_t size, int32 flags, size_t offset, area_id area,
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media_buffer_id *bufferid)
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BufferManager::RegisterBuffer(team_id team, size_t size, int32 flags,
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size_t offset, area_id area, media_buffer_id* _bufferID)
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{
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BAutolock lock(fLocker);
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TRACE("RegisterBuffer team = %ld, areaid = %ld, offset = %ld, size = %ld\n", teamid, area, offset, size);
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TRACE("RegisterBuffer team = %ld, area = %ld, offset = %ld, size = %ld\n",
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team, area, offset, size);
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void *adr;
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area_id newarea;
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newarea = clone_area("media_server cloned buffer", &adr, B_ANY_ADDRESS, B_READ_AREA | B_WRITE_AREA, area);
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if (newarea <= B_OK) {
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ERROR("RegisterBuffer: failed to clone buffer! error = %#lx, team = %ld, areaid = %ld, offset = %ld, size = %ld\n", newarea, teamid, area, offset, size);
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void* address;
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area_id clonedArea = clone_area("media_server cloned buffer", &address,
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B_ANY_ADDRESS, B_READ_AREA | B_WRITE_AREA, area);
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if (clonedArea < 0) {
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ERROR("RegisterBuffer: failed to clone buffer! error = %#lx, team = "
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"%ld, areaid = %ld, offset = %ld, size = %ld\n", clonedArea, team,
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area, offset, size);
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return B_ERROR;
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}
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buffer_info info;
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*bufferid = fNextBufferId;
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info.id = fNextBufferId;
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info.area = newarea;
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info.id = fNextBufferID++;
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info.area = clonedArea;
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info.offset = offset;
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info.size = size;
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info.flags = flags;
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info.teams.Insert(teamid);
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fBufferInfoMap->Insert(fNextBufferId, info);
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info.teams.Insert(team);
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TRACE("RegisterBuffer: done, bufferid = %ld\n", fNextBufferId);
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*_bufferID = info.id;
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fNextBufferId += 1;
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fBufferInfoMap.Insert(info.id, info);
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TRACE("RegisterBuffer: done, bufferID = %ld\n", info.id);
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return B_OK;
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}
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status_t
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BufferManager::UnregisterBuffer(team_id teamid, media_buffer_id bufferid)
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BufferManager::UnregisterBuffer(team_id team, media_buffer_id bufferID)
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{
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BAutolock lock(fLocker);
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TRACE("UnregisterBuffer: team = %ld, bufferid = %ld\n", teamid, bufferid);
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TRACE("UnregisterBuffer: team = %ld, bufferid = %ld\n", team, bufferID);
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buffer_info* info;
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int index;
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if (!fBufferInfoMap->Get(bufferid, &info)) {
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ERROR("UnregisterBuffer: failed to unregister buffer! team = %ld, bufferid = %ld\n", teamid, bufferid);
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if (!fBufferInfoMap.Get(bufferID, &info)) {
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ERROR("UnregisterBuffer: failed to unregister buffer! team = %ld, "
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"bufferid = %ld\n", team, bufferID);
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return B_ERROR;
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}
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index = info->teams.Find(teamid);
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int index = info->teams.Find(team);
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if (index < 0) {
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ERROR("UnregisterBuffer: failed to find team = %ld belonging to bufferid = %ld\n", teamid, bufferid);
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ERROR("UnregisterBuffer: failed to find team = %ld belonging to "
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"bufferID = %ld\n", team, bufferID);
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return B_ERROR;
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}
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if (!info->teams.Remove(index)) {
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ERROR("UnregisterBuffer: failed to remove team = %ld from bufferid = %ld\n", teamid, bufferid);
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ERROR("UnregisterBuffer: failed to remove team = %ld from bufferID "
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"= %ld\n", team, bufferID);
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return B_ERROR;
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}
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TRACE("UnregisterBuffer: team = %ld removed from bufferid = %ld\n", teamid, bufferid);
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TRACE("UnregisterBuffer: team = %ld removed from bufferID = %ld\n", team,
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bufferID);
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if (info->teams.IsEmpty()) {
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if (!fBufferInfoMap->Remove(bufferid)) {
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ERROR("UnregisterBuffer: failed to remove bufferid = %ld\n", bufferid);
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if (!fBufferInfoMap.Remove(bufferID)) {
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ERROR("UnregisterBuffer: failed to remove bufferID = %ld\n",
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bufferID);
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return B_ERROR;
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}
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TRACE("UnregisterBuffer: bufferid = %ld removed\n", bufferid);
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TRACE("UnregisterBuffer: bufferID = %ld removed\n", bufferID);
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}
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return B_OK;
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}
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void
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BufferManager::CleanupTeam(team_id team)
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{
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BAutolock lock(fLocker);
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buffer_info *info;
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TRACE("BufferManager::CleanupTeam: team %ld\n", team);
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for (fBufferInfoMap->Rewind(); fBufferInfoMap->GetNext(&info); ) {
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team_id *otherteam;
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for (info->teams.Rewind(); info->teams.GetNext(&otherteam); ) {
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if (team == *otherteam) {
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PRINT(1, "BufferManager::CleanupTeam: removing team %ld from buffer id %ld\n", team, info->id);
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buffer_info* info;
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for (fBufferInfoMap.Rewind(); fBufferInfoMap.GetNext(&info); ) {
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team_id* currentTeam;
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for (info->teams.Rewind(); info->teams.GetNext(¤tTeam); ) {
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if (team == *currentTeam) {
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PRINT(1, "BufferManager::CleanupTeam: removing team %ld from "
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"buffer id %ld\n", team, info->id);
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info->teams.RemoveCurrent();
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}
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}
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if (info->teams.IsEmpty()) {
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PRINT(1, "BufferManager::CleanupTeam: removing buffer id %ld that has no teams\n", info->id);
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fBufferInfoMap->RemoveCurrent();
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PRINT(1, "BufferManager::CleanupTeam: removing buffer id %ld that "
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"has no teams\n", info->id);
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fBufferInfoMap.RemoveCurrent();
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}
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}
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}
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void
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BufferManager::Dump()
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{
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BAutolock lock(fLocker);
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buffer_info *info;
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printf("\n");
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printf("BufferManager: list of buffers follows:\n");
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for (fBufferInfoMap->Rewind(); fBufferInfoMap->GetNext(&info); ) {
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printf(" buffer-id %ld, area-id %ld, offset %ld, size %ld, flags %#08lx\n",
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info->id, info->area, info->offset, info->size, info->flags);
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buffer_info *info;
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for (fBufferInfoMap.Rewind(); fBufferInfoMap.GetNext(&info); ) {
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printf(" buffer-id %ld, area-id %ld, offset %ld, size %ld, flags "
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"%#08lx\n", info->id, info->area, info->offset, info->size,
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info->flags);
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printf(" assigned teams: ");
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team_id* team;
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for (info->teams.Rewind(); info->teams.GetNext(&team); ) {
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printf("%ld, ", *team);
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@ -2,34 +2,42 @@
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* Copyright 2002, Marcus Overhagen. All rights reserved.
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* Distributed under the terms of the MIT License.
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*/
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struct _shared_buffer_list;
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#include <Locker.h>
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#include <MediaDefs.h>
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#include <TMap.h>
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#include <TList.h>
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class BufferManager
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{
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struct _shared_buffer_list;
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class BufferManager {
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public:
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BufferManager();
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~BufferManager();
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area_id SharedBufferListID();
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status_t RegisterBuffer(team_id teamid, media_buffer_id bufferid,
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size_t *size, int32 *flags, size_t *offset, area_id *area);
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status_t RegisterBuffer(team_id team,
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media_buffer_id bufferID, size_t* _size,
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int32* _flags, size_t* _offset, area_id* _area);
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status_t RegisterBuffer(team_id teamid, size_t size, int32 flags, size_t offset, area_id area,
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media_buffer_id *bufferid);
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status_t RegisterBuffer(team_id team, size_t size,
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int32 flags, size_t offset, area_id area,
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media_buffer_id* _bufferID);
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status_t UnregisterBuffer(team_id teamid, media_buffer_id bufferid);
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status_t UnregisterBuffer(team_id team,
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media_buffer_id bufferID);
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void CleanupTeam(team_id teamid);
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void CleanupTeam(team_id team);
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void Dump();
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private:
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struct buffer_info
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{
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struct buffer_info {
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media_buffer_id id;
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area_id area;
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size_t offset;
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@ -39,9 +47,9 @@ private:
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};
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_shared_buffer_list* fSharedBufferList;
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area_id fSharedBufferListId;
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media_buffer_id fNextBufferId;
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BLocker * fLocker;
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Map<media_buffer_id, buffer_info> *fBufferInfoMap;
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area_id fSharedBufferListID;
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media_buffer_id fNextBufferID;
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BLocker fLocker;
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Map<media_buffer_id, buffer_info> fBufferInfoMap;
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};
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