ZMQ::SOCKET_PAIR
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Exclusive pair pattern
ZMQ::SOCKET_PUB
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Publisher socket
ZMQ::SOCKET_SUB
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Subscriber socket
ZMQ::SOCKET_REQ
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Request socket
ZMQ::SOCKET_REP
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Reply socket
ZMQ::SOCKET_XREQ
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Alias for SOCKET_DEALER
ZMQ::SOCKET_XREP
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Alias for SOCKET_ROUTER
ZMQ::SOCKET_PUSH
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Pipeline upstream push socket
ZMQ::SOCKET_PULL
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Pipeline downstream pull socket
ZMQ::SOCKET_ROUTER
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Extended REP socket that can route replies to requesters
ZMQ::SOCKET_DEALER
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Extended REQ socket that load balances to all connected peers
ZMQ::SOCKET_XPUB
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Similar to SOCKET_PUB, except you can receive subscriptions as messages.
The subscription message is 0 (unsubscribe) or 1 (subscribe) followed by the topic.
ZMQ::SOCKET_XSUB
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Similar to SOCKET_SUB, except you can send subscriptions as messages. See SOCKET_XPUB for format.
ZMQ::SOCKET_STREAM
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Used to send and receive TCP data from a non-ØMQ peer. Available if compiled against ZeroMQ 4.x or higher (Value: integer).
ZMQ::SOCKOPT_HWM
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The high water mark for inbound and outbound messages is a hard limit on the maximum number of outstanding messages ØMQ shall queue in memory for any single peer that the specified socket is communicating with. Setting this option on a socket will only affect connections made after the option has been set. On ZeroMQ 3.x this is a wrapper for setting both SNDHWM and RCVHWM. (Value: integer).
ZMQ::SOCKOPT_SNDHWM
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The ZMQ_SNDHWM option shall set the high water mark for outbound messages on the specified socket. Available if compiled against ZeroMQ 3.x or higher (Value: integer).
ZMQ::SOCKOPT_RCVHWM
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The ZMQ_SNDHWM option shall set the high water mark for inbound messages on the specified socket. Available if compiled against ZeroMQ 3.x or higher (Value: integer).
ZMQ::SOCKOPT_AFFINITY
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Set I/O thread affinity (Value: integer)
ZMQ::SOCKOPT_IDENTITY
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Set socket identity (Value: string)
ZMQ::SOCKOPT_SUBSCRIBE
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Establish message filter. Valid for subscriber socket (Value: string)
ZMQ::SOCKOPT_UNSUBSCRIBE
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Remove message filter. Valid for subscriber socket (Value: string)
ZMQ::SOCKOPT_RATE
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Set rate for multicast sockets (pgm) (Value: integer >= 0)
ZMQ::SOCKOPT_RECOVERY_IVL
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Set multicast recovery interval (Value: integer >= 0)
ZMQ::SOCKOPT_RECONNECT_IVL
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Set the initial reconnection interval (Value: integer >= 0)
ZMQ::SOCKOPT_RECONNECT_IVL_MAX
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Set the max reconnection interval (Value: integer >= 0)
ZMQ::SOCKOPT_MCAST_LOOP
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Control multicast loopback (Value: integer >= 0)
ZMQ::SOCKOPT_SNDBUF
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Set kernel transmit buffer size (Value: integer >= 0)
ZMQ::SOCKOPT_RCVBUF
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Set kernel receive buffer size (Value: integer >= 0)
ZMQ::SOCKOPT_RCVMORE
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Receive multi-part messages (Value: integer)
ZMQ::SOCKOPT_TYPE
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Get the socket type. Valid for getSockOpt (Value: integer)
ZMQ::SOCKOPT_LINGER
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The linger value of the socket. Specifies how long the socket blocks
trying flush messages after it has been closed (Value: integer)
ZMQ::SOCKOPT_BACKLOG
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The SOCKOPT_BACKLOG option shall set the maximum length of the queue of outstanding peer connections for the specified socket; this only applies to connection-oriented transports. (Value: integer)
ZMQ::SOCKOPT_MAXMSGSIZE
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Limits the maximum size of the inbound message. Value -1 means no limit. Available if compiled against ZeroMQ 3.x or higher (Value: integer)
ZMQ::SOCKOPT_SNDTIMEO
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Sets the timeout for send operation on the socket. Value -1 means no limit. Available if compiled against ZeroMQ 3.x or higher (Value: integer)
ZMQ::SOCKOPT_RCVTIMEO
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Sets the timeout for receive operation on the socket. Value -1 means no limit. Available if compiled against ZeroMQ 3.x or higher (Value: integer)
ZMQ::SOCKOPT_IPV4ONLY
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Disable IPV6 support if 1. Available if compiled against ZeroMQ 3.x (Value: integer)
ZMQ::SOCKOPT_LAST_ENDPOINT
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Retrieve the last connected endpoint - for use with * wildcard ports. Available if compiled against ZeroMQ 3.x or higher (Value: string)
ZMQ::SOCKOPT_TCP_KEEPALIVE_IDLE
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Idle time for TCP keepalive. Available if compiled against ZeroMQ 3.x or higher (Value: integer)
ZMQ::SOCKOPT_TCP_KEEPALIVE_CNT
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Count time for TCP keepalive. Available if compiled against ZeroMQ 3.x or higher (Value: integer)
ZMQ::SOCKOPT_TCP_KEEPALIVE_INTVL
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Interval for TCP keepalive. Available if compiled against ZeroMQ 3.x or higher (Value: integer)
ZMQ::SOCKOPT_DELAY_ATTACH_ON_CONNECT
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Set a CIDR string to match against incoming TCP connections. Available if compiled against ZeroMQ 3.x or higher (Value: string)
ZMQ::SOCKOPT_TCP_ACCEPT_FILTER
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Set a CIDR string to match against incoming TCP connections. Available if compiled against ZeroMQ 3.x or higher (Value: string)
ZMQ::SOCKOPT_XPUB_VERBOSE
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Set the XPUB to receive an application message on each instance of a subscription. Available if compiled against ZeroMQ 3.x or higher (Value: string)
ZMQ::SOCKOPT_ROUTER_RAW
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Sets the raw mode on the ROUTER, when set to 1. In raw mode when using tcp:// transport the socket will read and write without ZeroMQ framing.
Available if compiled against ZeroMQ 4.0 or higher (Value: string)
ZMQ::SOCKOPT_IPV6
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Enable IPV6. Available if compiled against ZeroMQ 4.0 or higher (Value: string)
ZMQ::CTXOPT_MAX_SOCKETS
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The socket limit for this context. Available if compiled against ZeroMQ 3.x or higher (Value: integer)
ZMQ::POLL_IN
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Poll for incoming data
ZMQ::POLL_OUT
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Poll for outgoing data
ZMQ::MODE_NOBLOCK
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Non-blocking operation. Deprecated, use ZMQ::MODE_DONTWAIT instead
ZMQ::MODE_DONTWAIT
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Non-blocking operation
ZMQ::MODE_SNDMORE
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Send multi-part message
ZMQ::DEVICE_FORWARDER
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Forwarder device
ZMQ::DEVICE_QUEUE
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Queue device
ZMQ::DEVICE_STREAMER
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Streamer device
ZMQ::ERR_INTERNAL
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ZMQ extension internal error
ZMQ::ERR_EAGAIN
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Implies that the operation would block when ZMQ::MODE_DONTWAIT is used
ZMQ::ERR_ENOTSUP
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The operation is not supported by the socket type
ZMQ::ERR_EFSM
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The operation can not be executed because the socket is not in correct state
ZMQ::ERR_ETERM
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The context has been terminated