Socket

An object that encapsulates a $(ZMQ) socket.

A default-initialized Socket is not a valid $(ZMQ) socket; it must always be explicitly initialized with a constructor (see $(FREF _Socket.this)):

Socket s;                     // Not a valid socket yet
s = Socket(SocketType.push);  // ...but now it is.

This struct is noncopyable, which means that a socket is always uniquely managed by a single Socket object. Functions that will inspect or use the socket, but not take ownership of it, should take a ref Socket parameter. Use $(STDREF algorithm,move) to move a Socket to a different location (e.g. into a sink function that takes it by value, or into a new variable).

The socket is automatically closed when the Socket object goes out of scope.

@safe

struct Socket {

this(SocketType type);

this(Context context, SocketType type);

void close();

void bind(char[] endpoint);

void unbind(char[] endpoint);

void connect(char[] endpoint);

void disconnect(char[] endpoint);

void send(ubyte[] data, bool more);

void send(char[] data, bool more);

bool trySend(ubyte[] data, bool more);

bool trySend(char[] data, bool more);

void send(Frame msg, bool more);

bool trySend(Frame msg, bool more);

void sendConst(ubyte[] data, bool more);

void sendConst(string data, bool more);

bool trySendConst(ubyte[] data, bool more);

bool trySendConst(string data, bool more);

size_t receive(ubyte[] data);

Tuple!(size_t, bool) tryReceive(ubyte[] data);

size_t receive(Frame msg);

Tuple!(size_t, bool) tryReceive(Frame msg);

SocketType type [@property getter];

bool more [@property getter];

int sendHWM [@property getter];

int sendHWM [@property setter];

int receiveHWM [@property getter];

int receiveHWM [@property setter];

ulong threadAffinity [@property getter];

ulong threadAffinity [@property setter];

ubyte[] identity [@property getter];

ubyte[] getIdentity(ubyte[] dest);

ubyte[] identity [@property setter];

char[] identity [@property setter];

int rate [@property getter];

int rate [@property setter];

Duration recoveryInterval [@property getter];

Duration recoveryInterval [@property setter];

int sendBufferSize [@property getter];

int sendBufferSize [@property setter];

int receiveBufferSize [@property getter];

int receiveBufferSize [@property setter];

Duration linger [@property getter];

Duration linger [@property setter];

Duration reconnectionInterval [@property getter];

Duration reconnectionInterval [@property setter];

Duration maxReconnectionInterval [@property getter];

Duration maxReconnectionInterval [@property setter];

int backlog [@property getter];

int backlog [@property setter];

long maxMsgSize [@property getter];

long maxMsgSize [@property setter];

int multicastHops [@property getter];

int multicastHops [@property setter];

Duration receiveTimeout [@property getter];

Duration receiveTimeout [@property setter];

Duration sendTimeout [@property getter];

Duration sendTimeout [@property setter];

bool ipv6 [@property getter];

bool ipv6 [@property setter];

bool ipv4Only [@property getter];

bool ipv4Only [@property setter];

bool immediate [@property getter];

bool immediate [@property setter];

bool delayAttachOnConnect [@property getter];

bool delayAttachOnConnect [@property setter];

FD fd [@property getter];

PollFlags events [@property getter];

char[] lastEndpoint [@property getter];

bool routerMandatory [@property setter];

bool probeRouter [@property setter];

bool xpubVerbose [@property setter];

bool reqCorrelate [@property setter];

bool reqRelaxed [@property setter];

int tcpKeepalive [@property getter];

int tcpKeepalive [@property setter];

int tcpKeepaliveIdle [@property getter];

int tcpKeepaliveIdle [@property setter];

int tcpKeepaliveCnt [@property getter];

int tcpKeepaliveCnt [@property setter];

int tcpKeepaliveIntvl [@property getter];

int tcpKeepaliveIntvl [@property setter];

Security mechanism [@property getter];

bool plainServer [@property getter];

bool plainServer [@property setter];

char[] getPlainUsername(char[] dest);

const(char)[] plainUsername [@property setter];

char[] getPlainPassword(char[] dest);

const(char)[] plainPassword [@property setter];

version(WithLibsodium)

bool curveServer [@property getter];

version(WithLibsodium)

bool curveServer [@property setter];

version(WithLibsodium)

ubyte[] curvePublicKey [@property getter];

version(WithLibsodium)

ubyte[] getCurvePublicKey(ubyte[] dest);

version(WithLibsodium)

char[] curvePublicKeyZ85 [@property getter];

version(WithLibsodium)

char[] getCurvePublicKeyZ85(char[] dest);

version(WithLibsodium)

const(ubyte)[] curvePublicKey [@property setter];

version(WithLibsodium)

const(char)[] curvePublicKeyZ85 [@property setter];

version(WithLibsodium)

ubyte[] curveSecretKey [@property getter];

version(WithLibsodium)

ubyte[] getCurveSecretKey(ubyte[] dest);

version(WithLibsodium)

char[] curveSecretKeyZ85 [@property getter];

version(WithLibsodium)

char[] getCurveSecretKeyZ85(char[] dest);

version(WithLibsodium)

const(ubyte)[] curveSecretKey [@property setter];

version(WithLibsodium)

const(char)[] curveSecretKeyZ85 [@property setter];

version(WithLibsodium)

ubyte[] curveServerKey [@property getter];

version(WithLibsodium)

ubyte[] getCurveServerKey(ubyte[] dest);

version(WithLibsodium)

char[] curveServerKeyZ85 [@property getter];

version(WithLibsodium)

char[] getCurveServerKeyZ85(char[] dest);

version(WithLibsodium)

const(ubyte)[] curveServerKey [@property setter];

version(WithLibsodium)

const(char)[] curveServerKeyZ85 [@property setter];

char[] zapDomain [@property getter];

char[] getZapDomain(char[] dest);

char[] zapDomain [@property setter];

bool conflate [@property setter];

void subscribe(ubyte[] filterPrefix);

void subscribe(char[] filterPrefix);

void unsubscribe(ubyte[] filterPrefix);

void unsubscribe(char[] filterPrefix);

void monitor(char[] endpoint, EventType events);

inout(void)* handle [@property getter];

bool initialized [@property getter];

}

Constructors

this this(SocketType type)
this(Context context, SocketType type): Creates a new $(ZMQ) socket.

Destructor

~this ~this(): Undocumented in source.

Postblit

this(this) this(this): Undocumented in source.

Members

Functions

bind void bind(char[] endpoint): Starts accepting incoming connections on endpoint.
close void close(): Closes the $(ZMQ) socket.
connect void connect(char[] endpoint): Creates an outgoing connection to endpoint.
disconnect void disconnect(char[] endpoint): Disconnects the socket from endpoint.
getCurvePublicKey ubyte[] getCurvePublicKey(ubyte[] dest)
getCurvePublicKeyZ85 char[] getCurvePublicKeyZ85(char[] dest)
getCurveSecretKey ubyte[] getCurveSecretKey(ubyte[] dest)
getCurveSecretKeyZ85 char[] getCurveSecretKeyZ85(char[] dest)
getCurveServerKey ubyte[] getCurveServerKey(ubyte[] dest)
getCurveServerKeyZ85 char[] getCurveServerKeyZ85(char[] dest)
getIdentity ubyte[] getIdentity(ubyte[] dest)
getPlainPassword char[] getPlainPassword(char[] dest)
getPlainUsername char[] getPlainUsername(char[] dest)
getZapDomain char[] getZapDomain(char[] dest): Misc. socket options.
monitor void monitor(char[] endpoint, EventType events): Spawns a PAIR socket that publishes socket state changes (events) over the INPROC transport to the given endpoint.
receive size_t receive(ubyte[] data): Receives a message frame.
receive size_t receive(Frame msg): Receives a message frame.
send void send(ubyte[] data, bool more)
void send(char[] data, bool more): Sends a message frame.
send void send(Frame msg, bool more): Sends a message frame.
sendConst void sendConst(ubyte[] data, bool more)
void sendConst(string data, bool more): Sends a constant-memory message frame.
subscribe void subscribe(ubyte[] filterPrefix)
void subscribe(char[] filterPrefix): Establishes a message filter.
tryReceive Tuple!(size_t, bool) tryReceive(ubyte[] data): Receives a message frame.
tryReceive Tuple!(size_t, bool) tryReceive(Frame msg): Receives a message frame.
trySend bool trySend(ubyte[] data, bool more)
bool trySend(char[] data, bool more): Sends a message frame.
trySend bool trySend(Frame msg, bool more): Sends a message frame.
trySendConst bool trySendConst(ubyte[] data, bool more)
bool trySendConst(string data, bool more): Sends a constant-memory message frame.
unbind void unbind(char[] endpoint): Stops accepting incoming connections on endpoint.
unsubscribe void unsubscribe(ubyte[] filterPrefix)
void unsubscribe(char[] filterPrefix): Removes a message filter.

Properties

backlog int backlog [@property getter]
int backlog [@property setter]
conflate bool conflate [@property setter]
curvePublicKey ubyte[] curvePublicKey [@property getter]
const(ubyte)[] curvePublicKey [@property setter]
curvePublicKeyZ85 char[] curvePublicKeyZ85 [@property getter]
const(char)[] curvePublicKeyZ85 [@property setter]
curveSecretKey ubyte[] curveSecretKey [@property getter]
const(ubyte)[] curveSecretKey [@property setter]
curveSecretKeyZ85 char[] curveSecretKeyZ85 [@property getter]
const(char)[] curveSecretKeyZ85 [@property setter]
curveServer bool curveServer [@property getter]
bool curveServer [@property setter]
curveServerKey ubyte[] curveServerKey [@property getter]
const(ubyte)[] curveServerKey [@property setter]
curveServerKeyZ85 char[] curveServerKeyZ85 [@property getter]
const(char)[] curveServerKeyZ85 [@property setter]
delayAttachOnConnect deprecated bool delayAttachOnConnect [@property getter]
deprecated bool delayAttachOnConnect [@property setter]
events PollFlags events [@property getter]
fd FD fd [@property getter]: Misc. socket options.
handle inout(void)* handle [@property getter]: The void* pointer used by the underlying C API to refer to the socket.
identity ubyte[] identity [@property getter]
ubyte[] identity [@property setter]
char[] identity [@property setter]
immediate bool immediate [@property getter]
bool immediate [@property setter]: Misc. socket options.
initialized bool initialized [@property getter]: Whether this Socket object has been initialized, i.e. whether it refers to a valid $(ZMQ) socket.
ipv4Only deprecated bool ipv4Only [@property getter]
deprecated bool ipv4Only [@property setter]
ipv6 bool ipv6 [@property getter]
bool ipv6 [@property setter]
lastEndpoint char[] lastEndpoint [@property getter]
linger Duration linger [@property getter]
Duration linger [@property setter]
maxMsgSize long maxMsgSize [@property getter]
long maxMsgSize [@property setter]
maxReconnectionInterval Duration maxReconnectionInterval [@property getter]
Duration maxReconnectionInterval [@property setter]
mechanism Security mechanism [@property getter]: Misc. socket options.
more bool more [@property getter]: Whether there are more message frames to follow.
multicastHops int multicastHops [@property getter]
int multicastHops [@property setter]
plainPassword const(char)[] plainPassword [@property setter]
plainServer bool plainServer [@property getter]
bool plainServer [@property setter]
plainUsername const(char)[] plainUsername [@property setter]
probeRouter bool probeRouter [@property setter]
rate int rate [@property getter]
int rate [@property setter]
receiveBufferSize int receiveBufferSize [@property getter]
int receiveBufferSize [@property setter]
receiveHWM int receiveHWM [@property getter]
int receiveHWM [@property setter]
receiveTimeout Duration receiveTimeout [@property getter]
Duration receiveTimeout [@property setter]
reconnectionInterval Duration reconnectionInterval [@property getter]
Duration reconnectionInterval [@property setter]
recoveryInterval Duration recoveryInterval [@property getter]
Duration recoveryInterval [@property setter]
reqCorrelate bool reqCorrelate [@property setter]
reqRelaxed bool reqRelaxed [@property setter]
routerMandatory bool routerMandatory [@property setter]
sendBufferSize int sendBufferSize [@property getter]
int sendBufferSize [@property setter]: Misc. socket options.
sendHWM int sendHWM [@property getter]
int sendHWM [@property setter]
sendTimeout Duration sendTimeout [@property getter]
Duration sendTimeout [@property setter]
tcpKeepalive int tcpKeepalive [@property getter]
int tcpKeepalive [@property setter]
tcpKeepaliveCnt int tcpKeepaliveCnt [@property getter]
int tcpKeepaliveCnt [@property setter]
tcpKeepaliveIdle int tcpKeepaliveIdle [@property getter]
int tcpKeepaliveIdle [@property setter]
tcpKeepaliveIntvl int tcpKeepaliveIntvl [@property getter]
int tcpKeepaliveIntvl [@property setter]
threadAffinity ulong threadAffinity [@property getter]
ulong threadAffinity [@property setter]: Misc. socket options.
type SocketType type [@property getter]: The socket type.
xpubVerbose bool xpubVerbose [@property setter]
zapDomain char[] zapDomain [@property getter]
char[] zapDomain [@property setter]: Misc. socket options.

Detailed Description

Linger period

Note that Socket by default sets the socket's linger period to zero. This deviates from the $(ZMQ) default (which is an infinite linger period).

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