/* * Copyright 2002, Marcus Overhagen. All rights reserved. * Distributed under the terms of the MIT License. */ #include #include #include #include #include #include #include #include #include #include "debug.h" #include "NodeManager.h" const char *get_node_type(node_type t); NodeManager::NodeManager() : nextaddonid(1), nextnodeid(1) { fLocker = new BLocker("node manager locker"); fDormantFlavorList = new List; fAddonPathMap = new Map; fRegisteredNodeMap = new Map; fDefaultManager = new DefaultManager; } NodeManager::~NodeManager() { delete fLocker; delete fDormantFlavorList; delete fAddonPathMap; delete fRegisteredNodeMap; delete fDefaultManager; } status_t NodeManager::RegisterNode(media_node_id *nodeid, media_addon_id addon_id, int32 addon_flavor_id, const char *name, uint64 kinds, port_id port, team_id team) { BAutolock lock(fLocker); bool b; registered_node rn; rn.nodeid = nextnodeid; rn.addon_id = addon_id; rn.addon_flavor_id = addon_flavor_id; strcpy(rn.name, name); rn.kinds = kinds; rn.port = port; rn.team = team; rn.globalrefcount = 1; rn.teamrefcount.Insert(team, 1); b = fRegisteredNodeMap->Insert(nextnodeid, rn); ASSERT(b); *nodeid = nextnodeid; nextnodeid += 1; TRACE("NodeManager::RegisterNode: node %ld, addon_id %ld, flavor_id %ld, name \"%s\", kinds %#Lx, port %ld, team %ld\n", *nodeid, addon_id, addon_flavor_id, name, kinds, port, team); return B_OK; } status_t NodeManager::UnregisterNode(media_addon_id *addon_id, media_node_id nodeid, team_id team) { BAutolock lock(fLocker); bool b; registered_node *rn; TRACE("NodeManager::UnregisterNode enter: node %ld, team %ld\n", nodeid, team); b = fRegisteredNodeMap->Get(nodeid, &rn); if (!b) { FATAL("!!! NodeManager::UnregisterNode: Error: couldn't finde node %ld (team %ld)\n", nodeid, team); return B_ERROR; } if (rn->team != team) { FATAL("!!! NodeManager::UnregisterNode: Error: team %ld tried to unregister node %ld, but it was instantiated by team %ld\n", team, nodeid, rn->team); return B_ERROR; } if (rn->globalrefcount != 1) { FATAL("!!! NodeManager::UnregisterNode: Error: node %ld, team %ld, globalrefcount %ld\n", nodeid, team, rn->globalrefcount); //return B_ERROR; } *addon_id = rn->addon_id; b = fRegisteredNodeMap->Remove(nodeid); ASSERT(b); TRACE("NodeManager::UnregisterNode leave: node %ld, addon_id %ld, team %ld\n", nodeid, *addon_id, team); return B_OK; } status_t NodeManager::IncrementGlobalRefCount(media_node_id nodeid, team_id team) { BAutolock lock(fLocker); registered_node *rn; bool b; TRACE("NodeManager::IncrementGlobalRefCount enter: node %ld, team %ld\n", nodeid, team); b = fRegisteredNodeMap->Get(nodeid, &rn); if (!b) { FATAL("!!! NodeManager::IncrementGlobalRefCount: Error: node %ld not found\n", nodeid); return B_ERROR; } int32 *count; int32 debug_count; b = rn->teamrefcount.Get(team, &count); if (b) { *count += 1; debug_count = *count; } else { b = rn->teamrefcount.Insert(team, 1); ASSERT(b); debug_count = 1; } rn->globalrefcount += 1; TRACE("NodeManager::IncrementGlobalRefCount leave: node %ld, team %ld, count %ld, globalcount %ld\n", nodeid, team, debug_count, rn->globalrefcount); return B_OK; } status_t NodeManager::DecrementGlobalRefCount(media_node_id nodeid, team_id team) { BAutolock lock(fLocker); registered_node *rn; bool b; TRACE("NodeManager::DecrementGlobalRefCount enter: node %ld, team %ld\n", nodeid, team); b = fRegisteredNodeMap->Get(nodeid, &rn); if (!b) { FATAL("!!! NodeManager::DecrementGlobalRefCount: Error: node %ld not found\n", nodeid); return B_ERROR; } int32 *count; b = rn->teamrefcount.Get(team, &count); if (!b) { FATAL("!!! NodeManager::DecrementGlobalRefCount: Error: node %ld has no team %ld references\n", nodeid, team); return B_ERROR; } *count -= 1; int32 debug_count = *count; if (*count == 0) { b = rn->teamrefcount.Remove(team); ASSERT(b); } rn->globalrefcount -= 1; TRACE("NodeManager::DecrementGlobalRefCount leave: node %ld, team %ld, count %ld, globalcount %ld\n", nodeid, team, debug_count, rn->globalrefcount); return B_OK; } status_t NodeManager::GetCloneForId(media_node *node, media_node_id nodeid, team_id team) { BAutolock lock(fLocker); registered_node *rn; bool b; TRACE("NodeManager::GetCloneForId enter: node %ld team %ld\n", nodeid, team); if (B_OK != IncrementGlobalRefCount(nodeid, team)) { FATAL("!!! NodeManager::GetCloneForId: Error: couldn't increment ref count, node %ld team %ld\n", nodeid, team); return B_ERROR; } b = fRegisteredNodeMap->Get(nodeid, &rn); if (!b) { FATAL("!!! NodeManager::GetCloneForId: Error: node %ld not found\n", nodeid); DecrementGlobalRefCount(nodeid, team); return B_ERROR; } node->node = rn->nodeid; node->port = rn->port; node->kind = rn->kinds; TRACE("NodeManager::GetCloneForId leave: node %ld team %ld\n", nodeid, team); return B_OK; } /* This function locates the default "node" for the requested "type" and returnes a clone. * If the requested type is AUDIO_OUTPUT_EX, also "input_name" and "input_id" need to be set and returned, * as this is required by BMediaRoster::GetAudioOutput(media_node *out_node, int32 *out_input_id, BString *out_input_name) */ status_t NodeManager::GetClone(media_node *node, char *input_name, int32 *input_id, node_type type, team_id team) { BAutolock lock(fLocker); status_t status; media_node_id id; FATAL("NodeManager::GetClone enter: team %ld, type %d (%s)\n", team, type, get_node_type(type)); status = GetDefaultNode(&id, input_name, input_id, type); if (status != B_OK) { FATAL("NodeManager::GetClone Error: couldn't GetDefaultNode, team %ld, type %d (%s)\n", team, type, get_node_type(type)); *node = media_node::null; return status; } ASSERT(id > 0); status = GetCloneForId(node, id, team); if (status != B_OK) { FATAL("NodeManager::GetClone Error: couldn't GetCloneForId, id %ld, team %ld, type %d (%s)\n", id, team, type, get_node_type(type)); *node = media_node::null; return status; } ASSERT(id == node->node); FATAL("NodeManager::GetClone leave: node id %ld, node port %ld, node kind %#lx\n", node->node, node->port, node->kind); return B_OK; } status_t NodeManager::ReleaseNode(const media_node &node, team_id team) { BAutolock lock(fLocker); TRACE("NodeManager::ReleaseNode enter: node %ld team %ld\n", node.node, team); if (B_OK != DecrementGlobalRefCount(node.node, team)) { FATAL("!!! NodeManager::ReleaseNode: Error: couldn't decrement node %ld team %ld ref count\n", node.node, team); } TRACE("NodeManager::ReleaseNode leave: node %ld team %ld\n", node.node, team); return B_OK; } status_t NodeManager::PublishInputs(const media_node &node, const media_input *inputs, int32 count) { BAutolock lock(fLocker); registered_node *rn; bool b; b = fRegisteredNodeMap->Get(node.node, &rn); if (!b) { FATAL("!!! NodeManager::PublishInputs: Error: node %ld not found\n", node.node); return B_ERROR; } rn->inputlist.MakeEmpty(); for (int32 i = 0; i < count; i++) rn->inputlist.Insert(inputs[i]); return B_OK; } status_t NodeManager::PublishOutputs(const media_node &node, const media_output *outputs, int32 count) { BAutolock lock(fLocker); registered_node *rn; bool b; b = fRegisteredNodeMap->Get(node.node, &rn); if (!b) { FATAL("!!! NodeManager::PublishOutputs: Error: node %ld not found\n", node.node); return B_ERROR; } rn->outputlist.MakeEmpty(); for (int32 i = 0; i < count; i++) rn->outputlist.Insert(outputs[i]); return B_OK; } status_t NodeManager::FindNodeId(media_node_id *nodeid, port_id port) { BAutolock lock(fLocker); registered_node *rn; for (fRegisteredNodeMap->Rewind(); fRegisteredNodeMap->GetNext(&rn); ) { if (rn->port == port) { *nodeid = rn->nodeid; TRACE("NodeManager::FindNodeId found port %ld, node %ld\n", port, *nodeid); return B_OK; } media_output *output; for (rn->outputlist.Rewind(); rn->outputlist.GetNext(&output); ) { if (output->source.port == port || output->destination.port == port) { *nodeid = rn->nodeid; TRACE("NodeManager::FindNodeId found output port %ld, node %ld\n", port, *nodeid); return B_OK; } } media_input *input; for (rn->inputlist.Rewind(); rn->inputlist.GetNext(&input); ) { if (input->source.port == port || input->destination.port == port) { *nodeid = rn->nodeid; TRACE("NodeManager::FindNodeId found input port %ld, node %ld\n", port, *nodeid); return B_OK; } } } FATAL("!!! NodeManager::FindNodeId failed, port %ld\n", port); return B_ERROR; } status_t NodeManager::GetLiveNodeInfo(live_node_info *live_info, const media_node &node) { BAutolock lock(fLocker); registered_node *rn; for (fRegisteredNodeMap->Rewind(); fRegisteredNodeMap->GetNext(&rn); ) { if (rn->nodeid == node.node) { ASSERT(node.port == rn->port); ASSERT(node.kind == rn->kinds); live_info->node = node; live_info->hint_point = BPoint(0, 0); strcpy(live_info->name, rn->name); TRACE("NodeManager::GetLiveNodeInfo node %ld, name = \"%s\"\n", node.node, rn->name); return B_OK; } } FATAL("!!! NodeManager::GetLiveNodeInfo failed, node %ld\n", node.node); return B_ERROR; } status_t NodeManager::GetInstances(media_node_id *node_ids, int32* count, int32 maxcount, media_addon_id addon_id, int32 addon_flavor_id) { BAutolock lock(fLocker); registered_node *rn; *count = 0; for (fRegisteredNodeMap->Rewind(); (maxcount > 0) && fRegisteredNodeMap->GetNext(&rn); ) { if (rn->addon_id == addon_id && rn->addon_flavor_id == addon_flavor_id) { node_ids[*count] = rn->nodeid; *count += 1; maxcount -= 1; } } TRACE("NodeManager::GetInstances found %ld instances for addon_id %ld, addon_flavor_id %ld\n", *count, addon_id, addon_flavor_id); return B_OK; } status_t NodeManager::GetLiveNodes(Stack *livenodes, int32 maxcount, const media_format *inputformat /* = NULL */, const media_format *outputformat /* = NULL */, const char* name /* = NULL */, uint64 require_kinds /* = 0 */) { BAutolock lock(fLocker); registered_node *rn; int namelen; // determine the count of byte to compare when checking for a name with(out) wildcard if (name) { namelen = strlen(name); if (name[namelen] == '*') namelen--; // compares without the '*' else namelen++; // also compares the terminating NULL } else namelen = 0; for (fRegisteredNodeMap->Rewind(); (maxcount > 0) && fRegisteredNodeMap->GetNext(&rn); ) { if ((rn->kinds & require_kinds) != require_kinds) continue; if (namelen) { if (0 != memcmp(name, rn->name, namelen)) continue; } if (inputformat) { bool hasit = false; media_input *input; for (rn->inputlist.Rewind(); rn->inputlist.GetNext(&input); ) { if (format_is_compatible(*inputformat, input->format)) { hasit = true; break; } } if (!hasit) continue; } if (outputformat) { bool hasit = false; media_output *output; for (rn->outputlist.Rewind(); rn->outputlist.GetNext(&output); ) { if (format_is_compatible(*outputformat, output->format)) { hasit = true; break; } } if (!hasit) continue; } live_node_info lni; lni.node.node = rn->nodeid; lni.node.port = rn->port; lni.node.kind = rn->kinds; lni.hint_point = BPoint(0, 0); strcpy(lni.name, rn->name); livenodes->Push(lni); maxcount -= 1; } TRACE("NodeManager::GetLiveNodes found %ld\n", livenodes->CountItems()); return B_OK; } status_t NodeManager::GetDormantNodeInfo(dormant_node_info *node_info, const media_node &node) { BAutolock lock(fLocker); // XXX not sure if this is correct registered_node *rn; for (fRegisteredNodeMap->Rewind(); fRegisteredNodeMap->GetNext(&rn); ) { if (rn->nodeid == node.node) { if (rn->addon_id == -1) { // This function must return an error if the node is application owned TRACE("NodeManager::GetDormantNodeInfo NODE IS APPLICATION OWNED! node %ld, addon_id %ld, addon_flavor_id %ld, name \"%s\"\n", node.node, rn->addon_id, rn->addon_flavor_id, rn->name); return B_ERROR; } ASSERT(node.port == rn->port); ASSERT(node.kind == rn->kinds); node_info->addon = rn->addon_id; node_info->flavor_id = rn->addon_flavor_id; strcpy(node_info->name, rn->name); TRACE("NodeManager::GetDormantNodeInfo node %ld, addon_id %ld, addon_flavor_id %ld, name \"%s\"\n", node.node, rn->addon_id, rn->addon_flavor_id, rn->name); return B_OK; } } FATAL("!!! NodeManager::GetDormantNodeInfo failed, node %ld\n", node.node); return B_ERROR; } /* Add media_node_id of all live nodes to the message * int32 "media_node_id" (multiple items) */ status_t NodeManager::GetLiveNodes(BMessage *msg) { BAutolock lock(fLocker); registered_node *rn; for (fRegisteredNodeMap->Rewind(); fRegisteredNodeMap->GetNext(&rn); ) { msg->AddInt32("media_node_id", rn->nodeid); } return B_OK; } void NodeManager::RegisterAddon(const entry_ref &ref, media_addon_id *newid) { BAutolock lock(fLocker); media_addon_id id; id = nextaddonid; nextaddonid += 1; printf("NodeManager::RegisterAddon: ref-name \"%s\", assigning id %ld\n", ref.name, id); fAddonPathMap->Insert(id, ref); *newid = id; } void NodeManager::UnregisterAddon(media_addon_id id) { BAutolock lock(fLocker); printf("NodeManager::UnregisterAddon: id %ld\n", id); RemoveDormantFlavorInfo(id); fAddonPathMap->Remove(id); } // this function is only called (indirectly) by the media_addon_server void NodeManager::AddDormantFlavorInfo(const dormant_flavor_info &dfi) { BAutolock lock(fLocker); printf("NodeManager::AddDormantFlavorInfo, addon-id %ld, flavor-id %ld, name \"%s\", flavor-name \"%s\", flavor-info \"%s\"\n", dfi.node_info.addon, dfi.node_info.flavor_id, dfi.node_info.name, dfi.name, dfi.info); fDormantFlavorList->Insert(dfi); } // this function is only called (indirectly) by the media_addon_server void NodeManager::RemoveDormantFlavorInfo(media_addon_id id) { BAutolock lock(fLocker); dormant_flavor_info *flavor; for (fDormantFlavorList->Rewind(); fDormantFlavorList->GetNext(&flavor); ) { if (flavor->node_info.addon == id) { printf("NodeManager::RemoveDormantFlavorInfo, addon-id %ld, flavor-id %ld, name \"%s\", flavor-name \"%s\", flavor-info \"%s\"\n", flavor->node_info.addon, flavor->node_info.flavor_id, flavor->node_info.name, flavor->name, flavor->info); fDormantFlavorList->RemoveCurrent(); } } } // this function is called when the media_addon_server has crashed void NodeManager::CleanupDormantFlavorInfos() { BAutolock lock(fLocker); printf("NodeManager::CleanupDormantFlavorInfos\n"); fDormantFlavorList->MakeEmpty(); printf("NodeManager::CleanupDormantFlavorInfos done\n"); // XXX FlavorsChanged(media_addon_id addonid, int32 newcount, int32 gonecount) } status_t NodeManager::GetAddonRef(entry_ref *ref, media_addon_id id) { BAutolock lock(fLocker); entry_ref *tempref; if (fAddonPathMap->Get(id, &tempref)) { *ref = *tempref; return B_OK; } return B_ERROR; } status_t NodeManager::GetDormantNodes(dormant_node_info * out_info, int32 * io_count, const media_format * has_input /* = NULL */, const media_format * has_output /* = NULL */, const char * name /* = NULL */, uint64 require_kinds /* = NULL */, uint64 deny_kinds /* = NULL */) { BAutolock lock(fLocker); int32 maxcount; dormant_flavor_info *dfi; int namelen; // determine the count of byte to compare when checking for a name with(out) wildcard if (name) { namelen = strlen(name); if (name[namelen] == '*') namelen--; // compares without the '*' else namelen++; // also compares the terminating NULL } else namelen = 0; maxcount = *io_count; *io_count = 0; for (fDormantFlavorList->Rewind(); (*io_count < maxcount) && fDormantFlavorList->GetNext(&dfi); ) { if ((dfi->kinds & require_kinds) != require_kinds) continue; if ((dfi->kinds & deny_kinds) != 0) continue; if (namelen) { if (0 != memcmp(name, dfi->name, namelen)) continue; } if (has_input) { bool hasit = false; for (int32 i = 0; i < dfi->in_format_count; i++) if (format_is_compatible(*has_input, dfi->in_formats[i])) { hasit = true; break; } if (!hasit) continue; } if (has_output) { bool hasit = false; for (int32 i = 0; i < dfi->out_format_count; i++) if (format_is_compatible(*has_output, dfi->out_formats[i])) { hasit = true; break; } if (!hasit) continue; } out_info[*io_count] = dfi->node_info; *io_count += 1; } return B_OK; } status_t NodeManager::GetDormantFlavorInfoFor(media_addon_id addon, int32 flavor_id, dormant_flavor_info *outFlavor) { BAutolock lock(fLocker); dormant_flavor_info *flavor; for (fDormantFlavorList->Rewind(); fDormantFlavorList->GetNext(&flavor); ) { if (flavor->node_info.addon == addon && flavor->node_info.flavor_id == flavor_id) { *outFlavor = *flavor; return B_OK; } } return B_ERROR; } status_t NodeManager::SetDefaultNode(node_type type, const media_node *node, const dormant_node_info *info, const media_input *input) { BAutolock lock(fLocker); return fDefaultManager->Set(type, node, info, input); } status_t NodeManager::GetDefaultNode(media_node_id *nodeid, char *input_name, int32 *input_id, node_type type) { BAutolock lock(fLocker); return fDefaultManager->Get(nodeid, input_name, input_id, type); } status_t NodeManager::RescanDefaultNodes() { BAutolock lock(fLocker); return fDefaultManager->Rescan(); } void NodeManager::CleanupTeam(team_id team) { BAutolock lock(fLocker); fDefaultManager->CleanupTeam(team); FATAL("NodeManager::CleanupTeam: team %ld\n", team); // XXX send notifications after removing nodes registered_node *rn; for (fRegisteredNodeMap->Rewind(); fRegisteredNodeMap->GetNext(&rn); ) { // if the team hosting this node is gone, remove node from database if (rn->team == team) { FATAL("NodeManager::CleanupTeam: removing node id %ld, team %ld\n", rn->nodeid, team); fRegisteredNodeMap->RemoveCurrent(); continue; } // check the list of teams that have references to this node, and remove the team team_id *pteam; int32 *prefcount; for (rn->teamrefcount.Rewind(); rn->teamrefcount.GetNext(&prefcount); ) { rn->teamrefcount.GetCurrentKey(&pteam); if (*pteam == team) { FATAL("NodeManager::CleanupTeam: removing %ld refs from node id %ld, team %ld\n", *prefcount, rn->nodeid, team); rn->teamrefcount.RemoveCurrent(); break; } } // if the team refcount is now empty, also remove the node if (rn->teamrefcount.IsEmpty()) { FATAL("NodeManager::CleanupTeam: removing node id %ld that has no teams\n", rn->nodeid); fRegisteredNodeMap->RemoveCurrent(); } } } status_t NodeManager::LoadState() { BAutolock lock(fLocker); return fDefaultManager->LoadState(); } status_t NodeManager::SaveState() { BAutolock lock(fLocker); return fDefaultManager->SaveState(); } void NodeManager::Dump() { BAutolock lock(fLocker); printf("\n"); printf("NodeManager: addon path map follows:\n"); entry_ref *ref; media_addon_id *id; for (fAddonPathMap->Rewind(); fAddonPathMap->GetNext(&ref); ) { fAddonPathMap->GetCurrentKey(&id); BPath path(ref); printf(" addon-id %ld, ref-name \"%s\", path \"%s\"\n", *id, ref->name, (path.InitCheck() == B_OK) ? path.Path() : "INVALID"); } printf("NodeManager: list end\n"); printf("\n"); printf("NodeManager: registered nodes map follows:\n"); registered_node *rn; for (fRegisteredNodeMap->Rewind(); fRegisteredNodeMap->GetNext(&rn); ) { printf(" node-id %ld, addon-id %ld, addon-flavor-id %ld, port %ld, team %ld, kinds %#08Lx, name \"%s\"\n", rn->nodeid, rn->addon_id, rn->addon_flavor_id, rn->port, rn->team, rn->kinds, rn->name); printf(" teams (refcount): "); team_id *team; int32 *refcount; for (rn->teamrefcount.Rewind(); rn->teamrefcount.GetNext(&refcount); ) { rn->teamrefcount.GetCurrentKey(&team); printf("%ld (%ld), ", *team, *refcount); } printf("\n"); media_input *input; for (rn->inputlist.Rewind(); rn->inputlist.GetNext(&input); ) { printf(" media_input: node-id %ld, node-port %ld, source-port %ld, source-id %ld, dest-port %ld, dest-id %ld, name \"%s\"\n", input->node.node, input->node.port, input->source.port, input->source.id, input->destination.port, input->destination.id, input->name); } media_output *output; for (rn->outputlist.Rewind(); rn->outputlist.GetNext(&output); ) { printf(" media_output: node-id %ld, node-port %ld, source-port %ld, source-id %ld, dest-port %ld, dest-id %ld, name \"%s\"\n", output->node.node, output->node.port, output->source.port, output->source.id, output->destination.port, output->destination.id, output->name); } } printf("NodeManager: list end\n"); printf("\n"); printf("NodeManager: dormant flavor list follows:\n"); dormant_flavor_info *dfi; for (fDormantFlavorList->Rewind(); fDormantFlavorList->GetNext(&dfi); ) { printf(" addon-id %ld, addon-flavor-id %ld, addon-name \"%s\"\n", dfi->node_info.addon, dfi->node_info.flavor_id, dfi->node_info.name); printf(" flavor-kinds %#08Lx, flavor_flags %#08lx, internal_id %ld, possible_count %ld, in_format_count %ld, out_format_count %ld\n", dfi->kinds, dfi->flavor_flags, dfi->internal_id, dfi->possible_count, dfi->in_format_count, dfi->out_format_count); printf(" flavor-name \"%s\"\n", dfi->name); printf(" flavor-info \"%s\"\n", dfi->info); } printf("NodeManager: list end\n"); fDefaultManager->Dump(); } const char * get_node_type(node_type t) { switch (t) { #define CASE(c) case c: return #c; CASE(VIDEO_INPUT) CASE(AUDIO_INPUT) CASE(VIDEO_OUTPUT) CASE(AUDIO_MIXER) CASE(AUDIO_OUTPUT) CASE(AUDIO_OUTPUT_EX) CASE(TIME_SOURCE) CASE(SYSTEM_TIME_SOURCE) default: return "unknown"; } };