diff options
Diffstat (limited to 'gnuradio-core/src/lib')
| -rw-r--r-- | gnuradio-core/src/lib/general/gr_block_gateway.h | 52 | ||||
| -rw-r--r-- | gnuradio-core/src/lib/general/gr_feval.cc | 16 | ||||
| -rw-r--r-- | gnuradio-core/src/lib/general/gr_feval.h | 29 | ||||
| -rw-r--r-- | gnuradio-core/src/lib/general/gr_feval.i | 29 | ||||
| -rw-r--r-- | gnuradio-core/src/lib/runtime/gr_basic_block.h | 25 |
5 files changed, 139 insertions, 12 deletions
diff --git a/gnuradio-core/src/lib/general/gr_block_gateway.h b/gnuradio-core/src/lib/general/gr_block_gateway.h index ae91d41b5..c876ea8e1 100644 --- a/gnuradio-core/src/lib/general/gr_block_gateway.h +++ b/gnuradio-core/src/lib/general/gr_block_gateway.h @@ -188,6 +188,58 @@ public: gr_block::get_tags_in_range(tags, which_input, abs_start, abs_end, key); return tags; } + + /* Message passing interface */ + void gr_block__message_port_register_in(pmt::pmt_t port_id){ + gr_basic_block::message_port_register_in(port_id); + } + + void gr_block__message_port_register_out(pmt::pmt_t port_id){ + gr_basic_block::message_port_register_out(port_id); + } + + void gr_block__message_port_pub(pmt::pmt_t port_id, pmt::pmt_t msg){ + gr_basic_block::message_port_pub(port_id, msg); + } + + void gr_block__message_port_sub(pmt::pmt_t port_id, pmt::pmt_t target){ + gr_basic_block::message_port_sub(port_id, target); + } + + void gr_block__message_port_unsub(pmt::pmt_t port_id, pmt::pmt_t target){ + gr_basic_block::message_port_unsub(port_id, target); + } + + pmt::pmt_t gr_block__message_ports_in(){ + return gr_basic_block::message_ports_in(); + } + + pmt::pmt_t gr_block__message_ports_out(){ + return gr_basic_block::message_ports_out(); + } + + void set_msg_handler_feval(pmt::pmt_t which_port, gr_feval_p *msg_handler) + { + if(msg_queue.find(which_port) == msg_queue.end()){ + throw std::runtime_error("attempt to set_msg_handler_feval() on bad input message port!"); + } + d_msg_handlers_feval[which_port] = msg_handler; + } + +protected: + typedef std::map<pmt::pmt_t, gr_feval_p *, pmt::pmt_comperator> msg_handlers_feval_t; + msg_handlers_feval_t d_msg_handlers_feval; + + void dispatch_msg(pmt::pmt_t which_port, pmt::pmt_t msg){ + // Is there a handler? + if (d_msg_handlers_feval.find(which_port) != d_msg_handlers_feval.end()){ + d_msg_handlers_feval[which_port]->calleval(msg); // Yes, invoke it. + } + else { + // Pass to generic dispatcher if not found + gr_basic_block::dispatch_msg(which_port, msg); + } + } }; /*! diff --git a/gnuradio-core/src/lib/general/gr_feval.cc b/gnuradio-core/src/lib/general/gr_feval.cc index ca5714a79..89f09984c 100644 --- a/gnuradio-core/src/lib/general/gr_feval.cc +++ b/gnuradio-core/src/lib/general/gr_feval.cc @@ -88,6 +88,22 @@ gr_feval::calleval(void) eval(); } +// ---------------------------------------------------------------- + +gr_feval_p::~gr_feval_p(){} + +void +gr_feval_p::eval(pmt::pmt_t x) +{ + // nop +} + +void +gr_feval_p::calleval(pmt::pmt_t x) +{ + eval(x); +} + /* * Trivial examples showing C++ (transparently) calling Python */ diff --git a/gnuradio-core/src/lib/general/gr_feval.h b/gnuradio-core/src/lib/general/gr_feval.h index 1726a8a7f..a9bccfe51 100644 --- a/gnuradio-core/src/lib/general/gr_feval.h +++ b/gnuradio-core/src/lib/general/gr_feval.h @@ -24,6 +24,7 @@ #include <gr_core_api.h> #include <gr_complex.h> +#include <gruel/pmt.h> /*! * \brief base class for evaluating a function: double -> double @@ -138,6 +139,34 @@ public: }; /*! + * \brief base class for evaluating a function: pmt -> void + * \ingroup misc + * + * This class is designed to be subclassed in Python or C++ + * and is callable from both places. It uses SWIG's + * "director" feature to implement the magic. + * It's slow. Don't use it in a performance critical path. + * + * Override eval to define the behavior. + * Use calleval to invoke eval (this kludge is required to allow a + * python specific "shim" to be inserted. + */ +class GR_CORE_API gr_feval_p +{ +protected: + /*! + * \brief override this to define the function + */ + virtual void eval(pmt::pmt_t x); + +public: + gr_feval_p() {} + virtual ~gr_feval_p(); + + virtual void calleval(pmt::pmt_t x); // invoke "eval" +}; + +/*! * \brief trivial examples / test cases showing C++ calling Python code */ GR_CORE_API double gr_feval_dd_example(gr_feval_dd *f, double x); diff --git a/gnuradio-core/src/lib/general/gr_feval.i b/gnuradio-core/src/lib/general/gr_feval.i index bc219a643..bcf4f1e64 100644 --- a/gnuradio-core/src/lib/general/gr_feval.i +++ b/gnuradio-core/src/lib/general/gr_feval.i @@ -45,23 +45,28 @@ // Directors are only supported in Python, Java and C# #ifdef SWIGPYTHON +%include "pmt_swig.i" +using namespace pmt; // Enable SWIG directors for these classes %feature("director") gr_py_feval_dd; %feature("director") gr_py_feval_cc; %feature("director") gr_py_feval_ll; %feature("director") gr_py_feval; +%feature("director") gr_py_feval_p; %feature("nodirector") gr_py_feval_dd::calleval; %feature("nodirector") gr_py_feval_cc::calleval; %feature("nodirector") gr_py_feval_ll::calleval; %feature("nodirector") gr_py_feval::calleval; +%feature("nodirector") gr_py_feval_p::calleval; %rename(feval_dd) gr_py_feval_dd; %rename(feval_cc) gr_py_feval_cc; %rename(feval_ll) gr_py_feval_ll; %rename(feval) gr_py_feval; +%rename(feval_p) gr_py_feval_p; //%exception { // try { $action } @@ -136,12 +141,26 @@ public: virtual void calleval(); }; +%ignore gr_feval_p; +class gr_feval_p +{ +protected: + virtual void eval(pmt_t x); + +public: + gr_feval_p() {} + virtual ~gr_feval_p(); + + virtual void calleval(pmt_t x); +}; + /* * These are the ones to derive from in Python. They have the magic shim * that ensures that we're holding the Python GIL when we enter Python land... */ %inline %{ +#include <gruel/pmt.h> class gr_py_feval_dd : public gr_feval_dd { @@ -183,6 +202,16 @@ class gr_py_feval : public gr_feval } }; +class gr_py_feval_p : public gr_feval_p +{ + public: + void calleval(pmt::pmt_t x) + { + ensure_py_gil_state _lock; + eval(x); + } +}; + %} diff --git a/gnuradio-core/src/lib/runtime/gr_basic_block.h b/gnuradio-core/src/lib/runtime/gr_basic_block.h index 9cc2ad775..b4935d8ac 100644 --- a/gnuradio-core/src/lib/runtime/gr_basic_block.h +++ b/gnuradio-core/src/lib/runtime/gr_basic_block.h @@ -54,18 +54,6 @@ class GR_CORE_API gr_basic_block : public gr_msg_accepter, public boost::enable_ typedef boost::function<void(pmt::pmt_t)> msg_handler_t; private: - /* - * This function is called by the runtime system to dispatch messages. - * - * The thread-safety guarantees mentioned in set_msg_handler are implemented - * by the callers of this method. - */ - void dispatch_msg(pmt::pmt_t which_port, pmt::pmt_t msg) - { - // AA Update this - if (d_msg_handlers.find(which_port) != d_msg_handlers.end()) // Is there a handler? - d_msg_handlers[which_port](msg); // Yes, invoke it. - }; //msg_handler_t d_msg_handler; typedef std::map<pmt::pmt_t , msg_handler_t, pmt::pmt_comperator> d_msg_handlers_t; @@ -117,6 +105,19 @@ class GR_CORE_API gr_basic_block : public gr_msg_accepter, public boost::enable_ */ void set_color(vcolor color) { d_color = color; } vcolor color() const { return d_color; } + + /* + * This function is called by the runtime system to dispatch messages. + * + * The thread-safety guarantees mentioned in set_msg_handler are implemented + * by the callers of this method. + */ + virtual void dispatch_msg(pmt::pmt_t which_port, pmt::pmt_t msg) + { + // AA Update this + if (d_msg_handlers.find(which_port) != d_msg_handlers.end()) // Is there a handler? + d_msg_handlers[which_port](msg); // Yes, invoke it. + }; // Message passing interface pmt::pmt_t message_subscribers; |