int zmq::ctx_t::get (int option_)
{
int rc = 0;
if (option_ == ZMQ_MAX_SOCKETS)
rc = max_sockets;
else
if (option_ == ZMQ_SOCKET_LIMIT)
rc = clipped_maxsocket (65535);
else
if (option_ == ZMQ_IO_THREADS)
rc = io_thread_count;
else
if (option_ == ZMQ_IPV6)
rc = ipv6;
else
if (option_ == ZMQ_BLOCKY)
rc = blocky;
else
if (option_ == ZMQ_MAX_MSGSZ)
rc = max_msgsz;
else {
errno = EINVAL;
rc = -1;
}
return rc;
}
zmq::ctx_t::ctx_t () :
tag (ZMQ_CTX_TAG_VALUE_GOOD),
starting (true),
terminating (false),
reaper (NULL),
slot_count (0),
slots (NULL),
max_sockets (clipped_maxsocket (ZMQ_MAX_SOCKETS_DFLT)),
max_msgsz (INT_MAX),
io_thread_count (ZMQ_IO_THREADS_DFLT),
blocky (true),
ipv6 (false),
thread_priority (ZMQ_THREAD_PRIORITY_DFLT),
thread_sched_policy (ZMQ_THREAD_SCHED_POLICY_DFLT)
{
#ifdef HAVE_FORK
pid = getpid();
#endif
#ifdef ZMQ_HAVE_VMCI
vmci_fd = -1;
vmci_family = -1;
#endif
crypto_sync.lock ();
#if defined (ZMQ_USE_TWEETNACL)
// allow opening of /dev/urandom
unsigned char tmpbytes[4];
randombytes(tmpbytes, 4);
#elif defined (ZMQ_USE_LIBSODIUM)
int rc = sodium_init ();
zmq_assert (rc != -1);
#endif
crypto_sync.unlock ();
}
int zmq::ctx_t::set (int option_, int optval_)
{
int rc = 0;
if (option_ == ZMQ_MAX_SOCKETS && optval_ >= 1 && optval_ == clipped_maxsocket (optval_)) {
opt_sync.lock ();
max_sockets = optval_;
opt_sync.unlock ();
}
else
if (option_ == ZMQ_IO_THREADS && optval_ >= 0) {
opt_sync.lock ();
io_thread_count = optval_;
opt_sync.unlock ();
}
else
if (option_ == ZMQ_IPV6 && optval_ >= 0) {
opt_sync.lock ();
ipv6 = (optval_ != 0);
opt_sync.unlock ();
}
else {
errno = EINVAL;
rc = -1;
}
return rc;
}
int zmq::ctx_t::get (int option_)
{
int rc = 0;
if (option_ == ZMQ_MAX_SOCKETS)
rc = _max_sockets;
else if (option_ == ZMQ_SOCKET_LIMIT)
rc = clipped_maxsocket (65535);
else if (option_ == ZMQ_IO_THREADS)
rc = _io_thread_count;
else if (option_ == ZMQ_IPV6)
rc = _ipv6;
else if (option_ == ZMQ_BLOCKY)
rc = _blocky;
else if (option_ == ZMQ_MAX_MSGSZ)
rc = _max_msgsz;
else if (option_ == ZMQ_MSG_T_SIZE)
rc = sizeof (zmq_msg_t);
else if (option_ == ZMQ_ZERO_COPY_RECV) {
rc = _zero_copy;
} else {
errno = EINVAL;
rc = -1;
}
return rc;
}
int zmq::ctx_t::set (int option_, int optval_)
{
int rc = 0;
if (option_ == ZMQ_MAX_SOCKETS && optval_ >= 1
&& optval_ == clipped_maxsocket (optval_)) {
scoped_lock_t locker (_opt_sync);
_max_sockets = optval_;
} else if (option_ == ZMQ_IO_THREADS && optval_ >= 0) {
scoped_lock_t locker (_opt_sync);
_io_thread_count = optval_;
} else if (option_ == ZMQ_IPV6 && optval_ >= 0) {
scoped_lock_t locker (_opt_sync);
_ipv6 = (optval_ != 0);
} else if (option_ == ZMQ_BLOCKY && optval_ >= 0) {
scoped_lock_t locker (_opt_sync);
_blocky = (optval_ != 0);
} else if (option_ == ZMQ_MAX_MSGSZ && optval_ >= 0) {
scoped_lock_t locker (_opt_sync);
_max_msgsz = optval_ < INT_MAX ? optval_ : INT_MAX;
} else if (option_ == ZMQ_ZERO_COPY_RECV && optval_ >= 0) {
scoped_lock_t locker (_opt_sync);
_zero_copy = (optval_ != 0);
} else {
rc = thread_ctx_t::set (option_, optval_);
}
return rc;
}
int zmq::ctx_t::set (int option_, int optval_)
{
int rc = 0;
if (option_ == ZMQ_MAX_SOCKETS
&& optval_ >= 1 && optval_ == clipped_maxsocket (optval_)) {
opt_sync.lock ();
max_sockets = optval_;
opt_sync.unlock ();
}
else
if (option_ == ZMQ_IO_THREADS && optval_ >= 0) {
opt_sync.lock ();
io_thread_count = optval_;
opt_sync.unlock ();
}
else
if (option_ == ZMQ_IPV6 && optval_ >= 0) {
opt_sync.lock ();
ipv6 = (optval_ != 0);
opt_sync.unlock ();
}
else
if (option_ == ZMQ_THREAD_PRIORITY && optval_ >= 0) {
opt_sync.lock();
thread_priority = optval_;
opt_sync.unlock ();
}
else
if (option_ == ZMQ_THREAD_SCHED_POLICY && optval_ >= 0) {
opt_sync.lock();
thread_sched_policy = optval_;
opt_sync.unlock ();
}
else
if (option_ == ZMQ_BLOCKY && optval_ >= 0) {
opt_sync.lock ();
blocky = (optval_ != 0);
opt_sync.unlock ();
}
else
if (option_ == ZMQ_MAX_MSGSZ && optval_ >= 0) {
opt_sync.lock ();
max_msgsz = optval_ < INT_MAX? optval_: INT_MAX;
opt_sync.unlock ();
}
else {
errno = EINVAL;
rc = -1;
}
return rc;
}
zmq::ctx_t::ctx_t () :
tag (ZMQ_CTX_TAG_VALUE_GOOD),
starting (true),
terminating (false),
reaper (NULL),
slot_count (0),
slots (NULL),
max_sockets (clipped_maxsocket (ZMQ_MAX_SOCKETS_DFLT)),
io_thread_count (ZMQ_IO_THREADS_DFLT),
ipv6 (false)
{
#ifdef HAVE_FORK
pid = getpid();
#endif
}
zmq::ctx_t::ctx_t () :
tag (ZMQ_CTX_TAG_VALUE_GOOD),
starting (true),
terminating (false),
reaper (NULL),
slot_count (0),
slots (NULL),
max_sockets (clipped_maxsocket (ZMQ_MAX_SOCKETS_DFLT)),
io_thread_count (ZMQ_IO_THREADS_DFLT),
blocky (true),
ipv6 (false),
thread_priority (ZMQ_THREAD_PRIORITY_DFLT),
thread_sched_policy (ZMQ_THREAD_SCHED_POLICY_DFLT)
{
#ifdef HAVE_FORK
pid = getpid();
#endif
}
zmq::ctx_t::ctx_t () :
_tag (ZMQ_CTX_TAG_VALUE_GOOD),
_starting (true),
_terminating (false),
_reaper (NULL),
_max_sockets (clipped_maxsocket (ZMQ_MAX_SOCKETS_DFLT)),
_max_msgsz (INT_MAX),
_io_thread_count (ZMQ_IO_THREADS_DFLT),
_blocky (true),
_ipv6 (false),
_zero_copy (true)
{
#ifdef HAVE_FORK
_pid = getpid ();
#endif
#ifdef ZMQ_HAVE_VMCI
_vmci_fd = -1;
_vmci_family = -1;
#endif
// Initialise crypto library, if needed.
zmq::random_open ();
}
