From 11a6cb925f7ff3d17f48edccc886839b4d49ef0b Mon Sep 17 00:00:00 2001 From: Martin Sustrik Date: Mon, 7 Sep 2009 11:00:20 +0200 Subject: Ruby binding functional --- ruby/rbzmq.cpp | 292 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 292 insertions(+) create mode 100644 ruby/rbzmq.cpp (limited to 'ruby/rbzmq.cpp') diff --git a/ruby/rbzmq.cpp b/ruby/rbzmq.cpp new file mode 100644 index 0000000..5cb7f61 --- /dev/null +++ b/ruby/rbzmq.cpp @@ -0,0 +1,292 @@ +/* + 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 +#include +#include + +static void context_free (void *ctx) +{ + if (ctx) { + int rc = zmq_term (ctx); + assert (rc == 0); + } +} + +static VALUE context_alloc (VALUE class_) +{ + return rb_data_object_alloc (class_, NULL, 0, context_free); +} + +static VALUE context_initialize (VALUE self_, VALUE app_threads_, + VALUE io_threads_) +{ + assert (!DATA_PTR (self_)); + void *ctx = zmq_init (NUM2INT (app_threads_), NUM2INT (io_threads_)); + if (!ctx) { + rb_raise (rb_eRuntimeError, strerror (errno)); + return Qnil; + } + + DATA_PTR (self_) = (void*) ctx; + return self_; +} + +static void socket_free (void *s) +{ + if (s) { + int rc = zmq_close (s); + assert (rc == 0); + } +} + +static VALUE socket_alloc (VALUE class_) +{ + return rb_data_object_alloc (class_, NULL, 0, socket_free); +} + +static VALUE socket_initialize (VALUE self_, VALUE context_, VALUE type_) +{ + assert (!DATA_PTR (self_)); + + if (strcmp (rb_obj_classname (context_), "Context") != 0) { + rb_raise (rb_eArgError, "expected Context object"); + return Qnil; + } + + void *s = zmq_socket (DATA_PTR (context_), NUM2INT (type_)); + if (!s) { + rb_raise (rb_eRuntimeError, strerror (errno)); + return Qnil; + } + + DATA_PTR (self_) = (void*) s; + 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 socket_bind (VALUE self_, VALUE addr_) +{ + assert (DATA_PTR (self_)); + + int rc = zmq_bind (DATA_PTR (self_), rb_string_value_cstr (&addr_)); + if (rc != 0) { + rb_raise (rb_eRuntimeError, strerror (errno)); + return Qnil; + } + + return Qnil; +} + +static VALUE socket_connect (VALUE self_, VALUE addr_) +{ + assert (DATA_PTR (self_)); + + int rc = zmq_connect (DATA_PTR (self_), rb_string_value_cstr (&addr_)); + if (rc != 0) { + rb_raise (rb_eRuntimeError, strerror (errno)); + return Qnil; + } + + return Qnil; +} + +static VALUE socket_send (VALUE self_, VALUE msg_, VALUE flags_) +{ + assert (DATA_PTR (self_)); + + Check_Type (msg_, T_STRING); + + zmq_msg_t msg; + int rc = zmq_msg_init_size (&msg, RSTRING_LEN (msg_)); + if (rc != 0) { + rb_raise (rb_eRuntimeError, strerror (errno)); + return Qnil; + } + memcpy (zmq_msg_data (&msg), RSTRING_PTR (msg_), RSTRING_LEN (msg_)); + + rc = zmq_send (DATA_PTR (self_), &msg, NUM2INT (flags_)); + if (rc != 0 && errno == EAGAIN) { + rc = zmq_msg_close (&msg); + assert (rc == 0); + return Qfalse; + } + + if (rc != 0) { + rb_raise (rb_eRuntimeError, strerror (errno)); + rc = zmq_msg_close (&msg); + assert (rc == 0); + return Qnil; + } + + rc = zmq_msg_close (&msg); + assert (rc == 0); + return Qtrue; +} + +static VALUE socket_flush (VALUE self_) +{ + assert (DATA_PTR (self_)); + + int rc = zmq_flush (DATA_PTR (self_)); + if (rc != 0) { + rb_raise (rb_eRuntimeError, strerror (errno)); + return Qnil; + } + + return Qnil; +} + +static VALUE socket_recv (VALUE self_, VALUE flags_) +{ + assert (DATA_PTR (self_)); + + zmq_msg_t msg; + int rc = zmq_msg_init (&msg); + assert (rc == 0); + + rc = zmq_recv (DATA_PTR (self_), &msg, NUM2INT (flags_)); + if (rc != 0 && errno == EAGAIN) { + rc = zmq_msg_close (&msg); + assert (rc == 0); + return Qnil; + } + + if (rc != 0) { + rb_raise (rb_eRuntimeError, strerror (errno)); + rc = zmq_msg_close (&msg); + assert (rc == 0); + return Qnil; + } + + VALUE message = rb_str_new ((char*) zmq_msg_data (&msg), + zmq_msg_size (&msg)); + rc = zmq_msg_close (&msg); + assert (rc == 0); + return message; +} + +extern "C" void Init_librbzmq () +{ + VALUE context_type = rb_define_class ("Context", rb_cObject); + rb_define_alloc_func (context_type, context_alloc); + rb_define_method (context_type, "initialize", + (VALUE(*)(...)) context_initialize, 2); + + VALUE socket_type = rb_define_class ("Socket", rb_cObject); + rb_define_alloc_func (socket_type, socket_alloc); + rb_define_method (socket_type, "initialize", + (VALUE(*)(...)) socket_initialize, 2); +// rb_define_method (socket_type, "setsockopt", +// (VALUE(*)(...)) socket_setsockopt, 2); + rb_define_method (socket_type, "bind", + (VALUE(*)(...)) socket_bind, 1); + rb_define_method (socket_type, "connect", + (VALUE(*)(...)) socket_connect, 1); + rb_define_method (socket_type, "send", + (VALUE(*)(...)) socket_send, 2); + rb_define_method (socket_type, "flush", + (VALUE(*)(...)) socket_flush, 0); + rb_define_method (socket_type, "recv", + (VALUE(*)(...)) socket_recv, 1); + + rb_define_global_const ("HWM", INT2NUM (ZMQ_HWM)); + rb_define_global_const ("LWM", INT2NUM (ZMQ_LWM)); + rb_define_global_const ("SWAP", INT2NUM (ZMQ_SWAP)); + rb_define_global_const ("MASK", INT2NUM (ZMQ_MASK)); + rb_define_global_const ("AFFINITY", INT2NUM (ZMQ_AFFINITY)); + rb_define_global_const ("IDENTITY", INT2NUM (ZMQ_IDENTITY)); + rb_define_global_const ("NOBLOCK", INT2NUM (ZMQ_NOBLOCK)); + rb_define_global_const ("NOFLUSH", INT2NUM (ZMQ_NOFLUSH)); + rb_define_global_const ("P2P", INT2NUM (ZMQ_P2P)); + rb_define_global_const ("SUB", INT2NUM (ZMQ_SUB)); + rb_define_global_const ("PUB", INT2NUM (ZMQ_PUB)); + rb_define_global_const ("REQ", INT2NUM (ZMQ_REQ)); + rb_define_global_const ("REP", INT2NUM (ZMQ_REP)); +} -- cgit v1.2.3