From 1d650934e477be32db9a3c64de077deed0416689 Mon Sep 17 00:00:00 2001 From: tamara Date: Sat, 29 Aug 2009 11:31:32 +0200 Subject: Ruby bidning added --- ruby/zmq.cpp | 460 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 460 insertions(+) create mode 100644 ruby/zmq.cpp (limited to 'ruby/zmq.cpp') diff --git a/ruby/zmq.cpp b/ruby/zmq.cpp new file mode 100644 index 0000000..7ab6143 --- /dev/null +++ b/ruby/zmq.cpp @@ -0,0 +1,460 @@ +/* + Copyright (c) 2007-2009 FastMQ Inc. + + This file is part of 0MQ. + + 0MQ is free software; you can redistribute it and/or modify it under + the terms of the Lesser GNU General Public License as published by + the Free Software Foundation; either version 3 of the License, or + (at your option) any later version. + + 0MQ is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + Lesser GNU General Public License for more details. + + You should have received a copy of the Lesser GNU General Public License + along with this program. If not, see . +*/ + +#include +#include +#include + +// Class rb_zmq. +static VALUE rb_zmq; + +// Structure to return received data. +static VALUE rb_data; + +static void rb_free (void *p) +{ + +} + +static VALUE rb_alloc (VALUE self_) +{ + VALUE obj; + obj = Data_Wrap_Struct (self_, 0, rb_free, NULL); + + return obj; +} + +static VALUE rb_msg_init (VALUE self_) +{ + zmq_msg_t *msg; + msg = new zmq_msg_t; + VALUE obj; + + int rc = zmq_msg_init (msg); + if (rc == -1) { + assert (errno == ENOMEM); + rb_raise(rb_eRuntimeError, "Out of memory"); + } + + obj = Data_Wrap_Struct (rb_zmq, 0, rb_free, msg); + return obj; +} + +static VALUE rb_msg_init_size (VALUE self_, VALUE size_) +{ + zmq_msg_t *msg; + msg = new zmq_msg_t; + VALUE obj; + + // Forward the code to zmq library. + int rc = zmq_msg_init_size (msg, NUM2INT (size_)); + if (rc == -1) { + assert (errno == ENOMEM); + rb_raise(rb_eRuntimeError, "Out of memory"); + } + + obj = Data_Wrap_Struct (rb_zmq, 0, rb_free, msg); + return obj; +} + +static VALUE rb_msg_init_data (VALUE self_, VALUE data_, VALUE size_) +{ + // Get the message. + zmq_msg_t *msg; + VALUE obj; + msg = new zmq_msg_t; + + // Forward the code to zmq library. + int rc = zmq_msg_init_data (msg, StringValueCStr (data_), + NUM2INT (size_), rb_free); + assert (rc == 0); + + obj = Data_Wrap_Struct (rb_zmq, 0, rb_free, msg); + return obj; +} + +static VALUE rb_msg_close (VALUE self_, VALUE msg_) +{ + // Get the message. + zmq_msg_t* msg; + Data_Get_Struct (msg_, zmq_msg_t, msg); + + // Forward the code to zmq library. + int rc = zmq_close (msg); + assert (rc == 0); + + return self_; +} + +static VALUE rb_msg_move (VALUE self_, VALUE src_) +{ + // Get the message. + zmq_msg_t* src; + Data_Get_Struct (src_, zmq_msg_t, src); + + zmq_msg_t *dest; + dest = new zmq_msg_t; + VALUE obj; + + // Forward the code to zmq library. + int rc = zmq_msg_move (dest, src); + assert (rc == 0); + + obj = Data_Wrap_Struct (rb_zmq, 0, rb_free, dest); + return obj; +} + + +static VALUE rb_msg_copy (VALUE self_, VALUE src_) +{ + // Get the message. + zmq_msg_t* src; + Data_Get_Struct (src_, zmq_msg_t, src); + + zmq_msg_t *dest; + dest = new zmq_msg_t; + VALUE obj; + + // Forward the code to zmq library. + int rc = zmq_msg_copy (dest, src); + assert (rc == 0); + + obj = Data_Wrap_Struct (rb_zmq, 0, rb_free, dest); + return obj; +} + +static VALUE rb_msg_data (VALUE self_, VALUE msg_) +{ + // Get the message. + zmq_msg_t* msg; + Data_Get_Struct (msg_, zmq_msg_t, msg); + + const char* data; + + // Forward the code to zmq library. + data = (const char*) zmq_msg_data (msg); + + return rb_str_new (data, zmq_msg_size (msg)); +} + +static VALUE rb_msg_size (VALUE self_, VALUE msg_) +{ + // Get the message. + zmq_msg_t* msg; + Data_Get_Struct (msg_, zmq_msg_t, msg); + + // Forward the code to zmq library. + return INT2NUM (zmq_msg_size (msg)); +} + +static VALUE rb_msg_type (VALUE self_, VALUE msg_) +{ + // Get the message. + zmq_msg_t* msg; + Data_Get_Struct (msg_, zmq_msg_t, msg); + + // Forward the code to zmq library. + return INT2NUM (zmq_msg_type (msg)); +} + +static VALUE rb_init (VALUE self_) +{ + return self_; +} + +static VALUE rb_context (VALUE self_, VALUE app_threads_, VALUE io_threads_) +{ + void *context; + VALUE obj; + + // Forward the code to zmq library. + context = zmq_init (NUM2INT (app_threads_), NUM2INT (io_threads_)); + if (context == NULL) { + assert (errno == EINVAL); + rb_raise(rb_eRuntimeError, "Invalid argument"); + } + + obj = Data_Wrap_Struct (rb_zmq, 0, free, context); + return self_; +} + +static VALUE rb_term (VALUE self_, VALUE context_) +{ + // Get the context. + void* context; + Data_Get_Struct (context_, void*, context); + + // Forward the code to zmq library. + int rc = zmq_term ((void*) context); + assert (rc == 0); + + return self_; +} + +static VALUE rb_socket (VALUE self_, VALUE context_, VALUE type_) +{ + // Get the context. + void* context; + Data_Get_Struct (context_, void*, context); + + void* socket = NULL; + VALUE obj; + + // Forward the call to native 0MQ library. + socket = zmq_socket(context, NUM2INT (type_)); + if (socket == NULL) { + assert (errno == EMFILE || errno == EINVAL); + if (errno == EMFILE) + rb_raise(rb_eRuntimeError, "Too many threads"); + else + rb_raise(rb_eRuntimeError, "Invalid argument"); + } + + obj = Data_Wrap_Struct(rb_zmq, 0, free, socket); + return obj; +} + +static VALUE rb_close (VALUE self_, VALUE socket_) +{ + // Get the message. + void* socket; + Data_Get_Struct (socket_, void*, socket); + + // Forward the call to native 0MQ library. + int rc = zmq_close (socket); + assert (rc == 0); + return self_; +} + +static VALUE rb_setsockopt (VALUE self_, VALUE socket_, VALUE option_, + VALUE optval_) +{ + // Get the socket. + void* socket; + Data_Get_Struct (socket_, void*, socket); + + int rc = 0; + + if (TYPE (optval_) == T_STRING) { + + // Forward the code to native 0MQ library. + rc = zmq_setsockopt (socket, NUM2INT (option_), + (void *) StringValueCStr (optval_), RSTRING_LEN (optval_)); + + } + else if (TYPE (optval_) == T_FLOAT) { + + double optval = NUM2DBL (optval_); + + // Forward the code to native 0MQ library. + rc = zmq_setsockopt (socket, NUM2INT (option_), + (void*) &optval, 8); + } + + else if (TYPE (optval_) == T_FIXNUM) { + + long optval = FIX2LONG (optval_); + + // Forward the code to native 0MQ library. + rc = zmq_setsockopt (socket, NUM2INT (option_), + (void *) &optval, 4); + + } + + else if (TYPE (optval_) == T_BIGNUM) { + + long optval = NUM2LONG (optval_); + + // Forward the code to native 0MQ library. + rc = zmq_setsockopt (socket, NUM2INT (option_), + (void *) &optval, 4); + + } + else if (TYPE (optval_) == T_ARRAY) { + + // Forward the code to native 0MQ library. + rc = zmq_setsockopt (socket, NUM2INT (option_), + (void *) RARRAY_PTR (optval_), RARRAY_LEN (optval_)); + + } + + else if (TYPE (optval_) == T_STRUCT) { + + // Forward the code to native 0MQ library. + rc = zmq_setsockopt (socket, NUM2INT (option_), + (void *) RSTRUCT_PTR (optval_), RSTRUCT_LEN (optval_)); + + } + else + rb_raise(rb_eRuntimeError, "Unknown type"); + + assert (rc == 0); + + return self_; +} + +static VALUE rb_bind (VALUE self_, VALUE socket_, VALUE addr_) +{ + // Get the socket. + void* socket; + Data_Get_Struct (socket_, void*, socket); + + // Forward the code to native 0MQ library. + int rc = zmq_bind (socket, StringValueCStr (addr_)); + if (rc == -1) { + assert (errno == EINVAL || errno == EADDRINUSE); + if (errno == EINVAL) + rb_raise(rb_eRuntimeError, "Invalid argument"); + else + rb_raise(rb_eRuntimeError, "Address in use"); + } + + return self_; +} + +static VALUE rb_connect (VALUE self_, VALUE socket_, VALUE addr_) +{ + // Get the socket. + void* socket; + Data_Get_Struct (socket_, void*, socket); + + // Forward the code to native 0MQ library. + int rc = zmq_connect (socket, StringValueCStr (addr_)); + if (rc == -1) { + assert (errno == EINVAL || errno == EADDRINUSE); + if (errno == EINVAL) + rb_raise(rb_eRuntimeError, "Invalid argument"); + else + rb_raise(rb_eRuntimeError, "Address in use"); + } + return self_; +} + +static VALUE rb_send (VALUE self_, VALUE socket_, VALUE msg_, VALUE flags_) +{ + // Get the socket. + void* socket; + Data_Get_Struct (socket_, void*, socket); + + // Get the message. + zmq_msg_t *msg; + Data_Get_Struct (msg_, zmq_msg_t, msg); + + // Forward the code to native 0MQ library. + int rc = zmq_send (socket, msg, NUM2INT (flags_)); + assert (rc == 0 || (rc == -1 && errno == EAGAIN)); + + return INT2NUM (rc); +} + +static VALUE rb_flush (VALUE self_, VALUE socket_) +{ + // Get the socket. + void* socket; + Data_Get_Struct (socket_, void*, socket); + + // Forward the code to native 0MQ library. + int rc = zmq_flush (socket); + assert (rc == 0); + + return self_; +} + +static VALUE rb_recv (VALUE self_, VALUE socket_, VALUE flags_) +{ + // Get the socket. + void* socket; + Data_Get_Struct (socket_, void*, socket); + + // Get the message. + zmq_msg_t* msg; + msg = new zmq_msg_t; + VALUE obj; + + // Forward the code to native 0MQ library. + int rc = zmq_recv (socket, msg, NUM2INT (flags_)); + assert (rc == 0 || (rc == -1 && errno == EAGAIN)); + + obj = Data_Wrap_Struct(rb_data, 0, rb_free, msg); + + return rb_struct_new (obj, rc, NULL); +} + +extern "C" +void Init_librbzmq() { + + // Define the rb_zmq class. + rb_zmq = rb_define_class ("Zmq", rb_cObject); + + // Define allocation function for rb_zmq class. + rb_define_alloc_func (rb_zmq, rb_alloc); + + // Parameters: + // + // number of arguments is alqays except for the 'VALUE self_' argument + // (this pointer). + rb_define_method (rb_zmq, "msg_init", (VALUE(*)(...)) rb_msg_init, 0); + rb_define_method (rb_zmq, "msg_init_size", (VALUE(*)(...)) + rb_msg_init_size, 1); + rb_define_method (rb_zmq, "msg_init_data", (VALUE(*)(...)) + rb_msg_init_data, 3); + rb_define_method (rb_zmq, "msg_close", (VALUE(*)(...)) rb_msg_close, 1); + rb_define_method (rb_zmq, "msg_move", (VALUE(*)(...)) rb_msg_move, 1); + rb_define_method (rb_zmq, "msg_copy", (VALUE(*)(...)) rb_msg_copy, 1); + rb_define_method (rb_zmq, "msg_data", (VALUE(*)(...)) rb_msg_data, 1); + rb_define_method (rb_zmq, "msg_size", (VALUE(*)(...)) rb_msg_size, 1); + rb_define_method (rb_zmq, "msg_type", (VALUE(*)(...)) rb_msg_type, 1); + + rb_define_method (rb_zmq, "initialize", (VALUE(*)(...)) rb_init, 0); + rb_define_method (rb_zmq, "term", (VALUE(*)(...)) rb_term, 1); + rb_define_method (rb_zmq, "free", (VALUE(*)(...)) rb_free, 0); + + rb_define_method (rb_zmq, "context", (VALUE(*)(...)) rb_context, 2); + rb_define_method (rb_zmq, "socket", (VALUE(*)(...)) rb_socket, 2); + rb_define_method (rb_zmq, "close", (VALUE(*)(...)) rb_close, 1); + rb_define_method (rb_zmq, "setsockopt", (VALUE(*)(...)) rb_setsockopt, 3); + rb_define_method (rb_zmq, "bind", (VALUE(*)(...)) rb_bind, 2); + rb_define_method (rb_zmq, "connect", (VALUE(*)(...)) rb_connect, 2); + rb_define_method (rb_zmq, "send", (VALUE(*)(...)) rb_send, 3); + rb_define_method (rb_zmq, "flush", (VALUE(*)(...)) rb_flush, 1); + rb_define_method (rb_zmq, "recv", (VALUE(*)(...)) rb_recv, 2); + + // Define structure to hold data that are returned from receive function. + rb_data = rb_struct_define (NULL, "msg", "rc", NULL); + rb_define_const (rb_zmq, "DATA", rb_data); + + // Define global constants. + rb_define_global_const ("ZMQ_MAX_VSM_SIZE", INT2NUM (ZMQ_MAX_VSM_SIZE)); + rb_define_global_const ("ZMQ_GAP", INT2NUM (ZMQ_GAP)); + rb_define_global_const ("ZMQ_DELIMITER", INT2NUM (ZMQ_DELIMITER)); + rb_define_global_const ("ZMQ_VSM", INT2NUM (ZMQ_VSM)); + rb_define_global_const ("ZMQ_HWM", INT2NUM (ZMQ_HWM)); + rb_define_global_const ("ZMQ_SWAP", INT2NUM (ZMQ_SWAP)); + rb_define_global_const ("ZMQ_MASK", INT2NUM (ZMQ_MASK)); + rb_define_global_const ("ZMQ_AFFINITY", INT2NUM (ZMQ_AFFINITY)); + rb_define_global_const ("ZMQ_IDENTITY", INT2NUM (ZMQ_IDENTITY)); + rb_define_global_const ("ZMQ_NOBLOCK", INT2NUM (ZMQ_NOBLOCK)); + rb_define_global_const ("ZMQ_NOFLUSH", INT2NUM (ZMQ_NOFLUSH)); + rb_define_global_const ("ZMQ_P2P", INT2NUM (ZMQ_P2P)); + rb_define_global_const ("ZMQ_SUB", INT2NUM (ZMQ_SUB)); + rb_define_global_const ("ZMQ_PUB", INT2NUM (ZMQ_PUB)); + rb_define_global_const ("ZMQ_REQ", INT2NUM (ZMQ_REQ)); + rb_define_global_const ("ZMQ_REP", INT2NUM (ZMQ_REP)); + +} -- cgit v1.2.3