status_t
Job::_CreateAndTransferPorts()
{
// TODO: prefix system ports with "system:"
bool defaultPort = false;
for (PortMap::iterator iterator = fPortMap.begin();
iterator != fPortMap.end(); iterator++) {
BString name(Name());
const char* suffix = iterator->second.GetString("name");
if (suffix != NULL)
name << ':' << suffix;
else
defaultPort = true;
const int32 capacity = iterator->second.GetInt32("capacity",
B_LOOPER_PORT_DEFAULT_CAPACITY);
port_id port = create_port(capacity, name.String());
if (port < 0)
return port;
status_t result = set_port_owner(port, fTeam);
if (result != B_OK)
return result;
iterator->second.SetInt32("port", port);
if (name == "x-vnd.haiku-registrar:auth") {
// Allow the launch_daemon to access the registrar authentication
BPrivate::set_registrar_authentication_port(port);
}
}
if (fCreateDefaultPort && !defaultPort) {
BMessage data;
data.AddInt32("capacity", B_LOOPER_PORT_DEFAULT_CAPACITY);
port_id port = create_port(B_LOOPER_PORT_DEFAULT_CAPACITY, Name());
if (port < 0)
return port;
status_t result = set_port_owner(port, fTeam);
if (result != B_OK)
return result;
data.SetInt32("port", port);
AddPort(data);
}
return B_OK;
}
port_id
_user_create_port(int32 queueLength, const char *userName)
{
char name[B_OS_NAME_LENGTH];
if (userName == NULL)
return create_port(queueLength, NULL);
if (!IS_USER_ADDRESS(userName)
|| user_strlcpy(name, userName, B_OS_NAME_LENGTH) < B_OK)
return B_BAD_ADDRESS;
return create_port(queueLength, name);
}
DView::DView(BRect bounds)
:
BView(bounds, "graphics card view", B_FOLLOW_ALL, 0)
{
SetViewColor(B_TRANSPARENT_COLOR);
#ifndef INPUTSERVER_TEST_MODE
fInputPort = create_port(200, SERVER_INPUT_PORT);
#else
fInputPort = create_port(100, "ViewInputDevice");
#endif
#ifdef ENABLE_INPUT_SERVER_EMULATION
AddFilter(new DirectMessageFilter(this));
#endif
}
/*
* register client and create ports
*/
static int __init
register_client(void)
{
snd_seq_client_callback_t cb;
snd_seq_client_info_t cinfo;
snd_seq_dummy_port_t *rec1, *rec2;
int i;
if (ports < 1) {
snd_printk(KERN_ERR "invalid number of ports %d\n", ports);
return -EINVAL;
}
/* create client */
memset(&cb, 0, sizeof(cb));
cb.allow_input = 1;
cb.allow_output = 1;
my_client = snd_seq_create_kernel_client(NULL, SNDRV_SEQ_CLIENT_DUMMY, &cb);
if (my_client < 0)
return my_client;
/* set client name */
memset(&cinfo, 0, sizeof(cinfo));
cinfo.client = my_client;
cinfo.type = KERNEL_CLIENT;
strcpy(cinfo.name, "Midi Through");
snd_seq_kernel_client_ctl(my_client, SNDRV_SEQ_IOCTL_SET_CLIENT_INFO, &cinfo);
/* create ports */
for (i = 0; i < ports; i++) {
rec1 = create_port(i, 0);
if (rec1 == NULL) {
snd_seq_delete_kernel_client(my_client);
return -ENOMEM;
}
if (duplex) {
rec2 = create_port(i, 1);
if (rec2 == NULL) {
snd_seq_delete_kernel_client(my_client);
return -ENOMEM;
}
rec1->connect = rec2->port;
rec2->connect = rec1->port;
}
}
return 0;
}
/*! \brief Constructor
This loads the default fonts, allocates all the major global variables,
spawns the main housekeeping threads, loads user preferences for the UI
and decorator, and allocates various locks.
*/
AppServer::AppServer()
:
MessageLooper("app_server"),
fMessagePort(-1),
fDesktops(),
fDesktopLock("AppServerDesktopLock")
{
openlog("app_server", 0, LOG_DAEMON);
fMessagePort = create_port(DEFAULT_MONITOR_PORT_SIZE, SERVER_PORT_NAME);
if (fMessagePort < B_OK)
debugger("app_server could not create message port");
fLink.SetReceiverPort(fMessagePort);
sAppServer = this;
gInputManager = new InputManager();
// Create the font server and scan the proper directories.
gFontManager = new FontManager;
if (gFontManager->InitCheck() != B_OK)
debugger("font manager could not be initialized!");
gFontManager->Run();
gScreenManager = new ScreenManager();
gScreenManager->Run();
// Create the bitmap allocator. Object declared in BitmapManager.cpp
gBitmapManager = new BitmapManager();
}
void nsToolkit::RunPump(void* arg)
{
int32 code;
char portname[64];
ThreadInterfaceData id;
#ifdef DEBUG
printf("TK-RunPump\n");
#endif
ThreadInitInfo *info = (ThreadInitInfo*)arg;
PR_EnterMonitor(info->monitor);
gThreadState = PR_TRUE;
PR_Notify(info->monitor);
PR_ExitMonitor(info->monitor);
delete info;
// system wide unique names
PR_snprintf(portname, sizeof(portname), "event%lx",
(long unsigned) PR_GetCurrentThread());
port_id event = create_port(200, portname);
while(read_port_etc(event, &code, &id, sizeof(id), B_TIMEOUT, 1000) >= 0)
{
MethodInfo *mInfo = (MethodInfo *)id.data;
mInfo->Invoke();
if(id.waitingThread != 0)
resume_thread(id.waitingThread);
delete mInfo;
}
}
int
main()
{
port_id port = create_port(1, "test port");
printf("created port %ld\n", port);
thread_id threads[THREAD_COUNT];
for (int32 i = 0; i < THREAD_COUNT; i++) {
threads[i] = spawn_thread(read_thread, "read thread", B_NORMAL_PRIORITY,
(void*)port);
resume_thread(threads[i]);
}
printf("snooze for a bit, all threads should be waiting now.\n");
snooze(100000);
for (int32 i = 0; i < THREAD_COUNT; i++) {
size_t bytes = 20 + i;
char buffer[bytes];
memset(buffer, 0x55, bytes);
printf("send %ld bytes\n", bytes);
write_port(port, 0x42, buffer, bytes);
snooze(10000);
}
printf("waiting for threads to terminate\n");
for (int32 i = 0; i < THREAD_COUNT; i++) {
wait_for_thread(threads[i], NULL);
}
return 0;
}
TEST_F(UtilsTest, create_port_test)
{
std::string id("12");
unsigned short port = create_port(id);
ASSERT_EQ(port, 0x3231);
}
int
main()
{
status_t s;
ssize_t size;
int32 code;
id = create_port(1, "test port");
printf("created port %ld\n", id);
s = write_port(id, 0x1234, data, 10);
printf("write port result 0x%08lx (%s)\n", s, strerror(s));
size = read_port(id, &code, data, sizeof(data));
printf("read port code %lx, size %ld (0x%08lx) (%s)\n", code, size, size, strerror(size));
printf("port_buffer_size should block for 5 seconds now, as port is empty\n");
thread_id thread = spawn_thread(test_thread, "test thread", B_NORMAL_PRIORITY, NULL);
resume_thread(thread);
snooze(5000000);
printf("write port...\n");
s = write_port(id, 0x5678, data, 20);
printf("write port result 0x%08lx (%s)\n", s, strerror(s));
printf("waiting for thread to terminate\n");
wait_for_thread(thread, &s);
return 0;
}
// init_connection
status_t
init_connection()
{
status_t error = B_OK;
// create a port
outputPort = create_port(10, "common test app port");
if (outputPort < 0)
error = outputPort;
// find the remote port
port_id port = -1;
if (error == B_OK) {
port = find_port(kAppRunnerTeamPort);
if (port < 0)
error = port;
}
// send the port ID
if (error == B_OK) {
ssize_t written = write_port(port, outputPort, &be_app_messenger,
sizeof(BMessenger));
if (written < 0)
error = written;
}
connectionEstablished = (error == B_OK);
return error;
}
ColorField::ColorField(color_mode mode, float fixed_value)
:
BControl("color field", "", new BMessage(MSG_COLOR_FIELD),
B_WILL_DRAW | B_FRAME_EVENTS),
fColorMode(mode),
fFixedValue(fixed_value),
fMarkerPosition(BPoint(0.0, 0.0)),
fLastMarkerPosition(BPoint(-1.0, -1.0)),
fMouseDown(false),
fUpdateThread(0),
fUpdatePort(0)
{
SetViewColor(B_TRANSPARENT_32_BIT);
SetExplicitMinSize(BSize(COLOR_FIELD_WIDTH, COLOR_FIELD_HEIGHT));
SetExplicitMaxSize(BSize(COLOR_FIELD_WIDTH, COLOR_FIELD_HEIGHT));
for (int i = 0; i < 2; ++i) {
fBgBitmap[i] = new BBitmap(COLOR_FIELD_RECT, B_RGB32, true, true);
fBgBitmap[i]->Lock();
fBgView[i] = new BView(COLOR_FIELD_RECT, "", B_FOLLOW_NONE, B_WILL_DRAW);
fBgBitmap[i]->AddChild(fBgView[i]);
fBgView[i]->SetOrigin(2.0, 2.0);
fBgBitmap[i]->Unlock();
}
_DrawBorder();
fUpdatePort = create_port(100, "color field update port");
fUpdateThread = spawn_thread(&ColorField::_UpdateThread,
"color field update thread", 10, this);
resume_thread(fUpdateThread);
}
extern "C" int32
tracker_loop(void *data)
{
// create global messaging port
gTrackerPort = create_port(128, "fsh tracker port");
if (gTrackerPort < FS_OK)
return gTrackerPort;
while (true) {
update_message message;
int32 code;
status_t status = read_port(gTrackerPort, &code, &message, sizeof(message));
if (status < FS_OK)
continue;
if (code == FSH_KILL_TRACKER)
break;
if (code == FSH_NOTIFY_LISTENER) {
printf("tracker: notify listener received\n");
if (message.op != B_ATTR_CHANGED && message.op != B_DEVICE_UNMOUNTED)
tracker_query_file(message.device, message.parentNode, message.name);
} else if (code == B_QUERY_UPDATE) {
printf("tracker: query update received\n");
tracker_query_file(message.device, message.parentNode, message.name);
} else {
printf("tracker: unknown code received: 0x%lx\n", code);
}
}
delete_port(gTrackerPort);
return FS_OK;
}
/*! Creates a connection with the desktop.
*/
status_t
create_desktop_connection(ServerLink* link, const char* name, int32 capacity)
{
port_id serverPort = get_app_server_port();
if (serverPort < 0)
return serverPort;
// Create the port so that the app_server knows where to send messages
port_id clientPort = create_port(capacity, name);
if (clientPort < 0)
return clientPort;
link->SetTo(serverPort, clientPort);
link->StartMessage(AS_GET_DESKTOP);
link->Attach<port_id>(clientPort);
link->Attach<int32>(getuid());
link->AttachString(getenv("TARGET_SCREEN"));
link->Attach<int32>(AS_PROTOCOL_VERSION);
int32 code;
if (link->FlushWithReply(code) != B_OK || code != B_OK) {
link->SetSenderPort(-1);
return B_ERROR;
}
link->Read<port_id>(&serverPort);
link->SetSenderPort(serverPort);
return B_OK;
}
/* init_channel:
* This function will be called when a channel is created, before any
* data is sent. It should at least set the channel's return address to
* something meaningful or at least to a valid string if the driver can't
* supply a return address. It can allocate memory, pointed to by the
* `data' field of the channel struct. Return zero if successful, non-zero
* otherwise.
*/
static int local_init_channel(NET_CHANNEL *chan, const char *addr)
{
channel_data_t *data;
port_t *port;
int num;
MUTEX_LOCK(port_list);
num = parse_address(addr);
if (num < 0) {
MUTEX_UNLOCK(port_list);
return -1;
}
port = create_port(num);
/* We don't need the lock any more because `create_port' incremented
* the usage counter on the port, so it won't vanish, and we're not
* dereferencing the pointer any more. */
MUTEX_UNLOCK(port_list);
if (!port)
return -1;
sprintf(chan->local_addr, "%d", num);
chan->data = data = malloc(sizeof *data);
data->port = port;
data->target = -1;
return 0;
}
/*! Creates a connection with the desktop.
*/
status_t
create_desktop_connection(ServerLink* link, const char* name, int32 capacity)
{
// Create the port so that the app_server knows where to send messages
port_id clientPort = create_port(capacity, name);
if (clientPort < 0)
return clientPort;
link->SetReceiverPort(clientPort);
BMessage request(AS_GET_DESKTOP);
request.AddInt32("user", getuid());
request.AddInt32("version", AS_PROTOCOL_VERSION);
request.AddString("target", getenv("TARGET_SCREEN"));
BMessenger server("application/x-vnd.Haiku-app_server");
BMessage reply;
status_t status = server.SendMessage(&request, &reply);
if (status != B_OK)
return status;
port_id desktopPort = reply.GetInt32("port", B_ERROR);
if (desktopPort < 0)
return desktopPort;
link->SetSenderPort(desktopPort);
return B_OK;
}
status_t
BTeamDebugger::Install(team_id team)
{
Uninstall();
// create a debugger port
char name[B_OS_NAME_LENGTH];
snprintf(name, sizeof(name), "debugger for team %" B_PRId32, team);
fDebuggerPort = create_port(100, name);
if (fDebuggerPort < 0)
return fDebuggerPort;
port_id nubPort = install_team_debugger(team, fDebuggerPort);
if (nubPort < 0) {
delete_port(fDebuggerPort);
fDebuggerPort = -1;
return nubPort;
}
status_t error = BDebugContext::Init(team, nubPort);
if (error != B_OK) {
remove_team_debugger(team);
delete_port(fDebuggerPort);
fDebuggerPort = -1;
return error;
}
return B_OK;
}
//////////// ==
// Function to find a remote BLooper
BMessenger *SLooper::FindOtherEnd(char *unique_name) {
BMessenger *rc = new BMessenger();
int32 ignored;
FORMULATE_UNIQUE(unique_name);
// find port by name
port_id port = find_port(unique);
if (port < 0) {
return NULL;
}
// create a port for the reply
port_id myPort = create_port(1, "temporary port for answer");
// send the request to the other end with the port of our end
write_port(port, 0xdeadbeef, &myPort, sizeof(myPort));
// wait for an answer
ssize_t messageSize = port_buffer_size(myPort);
char *message = new char[messageSize];
read_port(myPort, &ignored, message, messageSize);
// get the BMessenger out of it
BMessage msg;
msg.Unflatten(message);
msg.FindMessenger("messageTarget", rc);
return rc;
}
static struct snobj *handle_create_port(struct snobj *arg)
{
const char *driver_name;
const struct driver *driver;
struct port *port;
struct snobj *r;
struct snobj *err;
driver_name = snobj_eval_str(arg, "driver");
if (!driver_name)
return snobj_err(EINVAL, "Missing 'driver' field in arg");
driver = find_driver(driver_name);
if (!driver)
return snobj_err(ENOENT, "No port driver '%s' found",
driver_name);
port = create_port(snobj_eval_str(arg, "name"), driver,
snobj_eval(arg, "arg"), &err);
if (!port)
return err;
printf("Port %s created at %p\n", port->name, port);
r = snobj_map();
snobj_map_set(r, "name", snobj_str(port->name));
return r;
}
/** CONSTRUCTOR */
SerialPort::SerialPort(int connect) {
_connection = (!connect);
if(_connection) {
_port_fd = create_port();
configure_port();
}
}
// get_reply_port
static
port_id
get_reply_port()
{
static port_id id = -1;
if (id < 0)
id = create_port(1, "stat cache reply port");
return id;
}
/*** MAIN LOOP ***/
int main(int argc, char *argv[])
{
#if DEBUG
bmem = AvailMem( MEMF_PUBLIC );
#endif
ParseArgs(&args, argc, argv);
/* Look first if Jano isn't already running */
if( find_janoed( &args ) ) cleanup(0, RETURN_OK);
/* Some global initialization */
init_searchtable();
/* Optionnal libraries */
AslBase = (struct Library *) OpenLibrary("asl.library", 36);
LocaleBase = (struct LocaleBase *) OpenLibrary("locale.library", 38);
DiskfontBase = (struct Library *) OpenLibrary("diskfont.library", 0);
IFFParseBase = (struct Library *) OpenLibrary("iffparse.library",36);
if(LocaleBase) InitLocale(); /* Localize the prog */
/* Open the required ROM libraries */
if( (IntuitionBase = (struct IntuitionBase *) OpenLibrary("intuition.library", 36)) &&
(GfxBase = (struct GfxBase *) OpenLibrary("graphics.library", 36)) &&
(GadToolsBase = (struct Library *) OpenLibrary("gadtools.library", 36)) &&
(KeymapBase = (struct Library *) OpenLibrary("keymap.library", 36)) &&
(UtilityBase = (struct UtilityBase *) OpenLibrary("utility.library", 36)) )
{
init_macros();
set_default_prefs(&prefs, IntuitionBase->ActiveScreen);
load_prefs(&prefs, NULL); /* See if it exists a config file */
sigport = create_port();
/* Create whether an empty project or an existing one */
if( ( edit = create_projects(NULL, args.sa_ArgLst, args.sa_NbArgs) ) )
{
/* Open the main interface */
if(setup() == 0)
{
/* Makes edit project visible */
reshape_panel(edit);
active_project(edit,TRUE);
clear_brcorner();
dispatch_events();
} else cleanup(ErrMsg(ERR_NOGUI), RETURN_FAIL);
}
} else cleanup(ErrMsg(ERR_BADOS), RETURN_FAIL);
/* Hope that all were well... */
cleanup(0, RETURN_OK);
return 0;
}
/* Design:
- bind to a port, listening for a message to come in. Put that port on a unique name so it can be found.
- the message ID is ignored
- the message payload is a port_id
- send back to that port_id a flattened BMessenger
*/
SLooper::SLooper(char *unique_name, int32 prio, int32 cap)
: BLooper(unique_name, prio, cap) {
// make a port with a unique name
FORMULATE_UNIQUE(unique_name);
finder = create_port(10, unique);
// spawn a thread to answer requests to find ourselves
finderThread = spawn_thread(RunFinderThread, "message loop finder thread", B_DISPLAY_PRIORITY, this);
resume_thread(finderThread);
}
void Chat::join(const std::string& peer_id, const std::string& peer_ip)
{
std::string peer_ep;
unsigned short peer_port = create_port(peer_id);
peer_ep = (boost::format("tcp://%s:%d") % peer_ip % peer_port).str();
if(zmq_connect(subscriber_, peer_ep.c_str()) < 0)
{
zmq_strerror(errno);
}
}
void HighScores::Go(void)
{
long foo;
Port = create_port(1, "BShisen Port #2");
Show();
// block until the some action occurs
read_port(Port, &foo, NULL, 0);
}
BAppServerLink::BAppServerLink(void)
: BPortLink()
{
if (be_app)
{
be_app->Lock();
SetSendPort(be_app->fServerFrom);
}
receiver=create_port(100,"AppServerLink reply port");
SetReplyPort(receiver);
}
void Chat::leave(const std::string& peer_id, const std::string& peer_ip)
{
std::string peer_ep;
unsigned short peer_port = create_port(peer_id);
// peer_ep = std::string("tcp://*:") + boost::lexical_cast<std::string>(peer_port);
peer_ep = (boost::format("tcp://%s:%d") % peer_ip % peer_port).str();
if (zmq_disconnect(subscriber_, peer_ep.c_str()) < 0)
{
zmq_strerror(errno);
}
}
static port_id
get_command_port()
{
static port_id port = -1;
static bool initialized = false;
if (!initialized) {
port = create_port(10, kFSShellCommandPort);
initialized = true;
}
return port;
}
MediaAddonServer::MediaAddonServer(const char* signature)
:
BApplication(signature),
fStartup(true),
fStartupSound(true)
{
CALLED();
fMediaRoster = BMediaRoster::Roster();
fControlPort = create_port(64, MEDIA_ADDON_SERVER_PORT_NAME);
fControlThread = spawn_thread(_ControlThread, "media_addon_server control",
B_NORMAL_PRIORITY + 2, this);
resume_thread(fControlThread);
}
void
SyslogDaemon::ReadyToRun()
{
fPort = create_port(256, SYSLOG_PORT_NAME);
fDaemon = spawn_thread(daemon_thread, "daemon", B_NORMAL_PRIORITY, this);
if (fPort >= B_OK && fDaemon >= B_OK) {
init_syslog_output(this);
init_listener_output(this);
resume_thread(fDaemon);
} else
Quit();
}
int main()
{
Q = InitQ(Q); //Modification to initialize the run queue
int i;
for(i = 0; i < 100; i++)
create_port(10, i); // Initializes all the ports
start_thread(serverport0); // Only argument passed to thead_start is function name
start_thread(serverport1);
start_thread(client);
start_thread(client);
start_thread(client);
start_thread(client);
run(); //Since run function is non-terminating we do not require an infinite loop in main
}
