Line data    Source code

       1             : /*
       2             :   Copyright (C) 2018 Red Hat, Inc.
       3             : 
       4             :   This library is free software; you can redistribute it and/or
       5             :   modify it under the terms of the GNU Lesser General Public
       6             :   License as published by the Free Software Foundation; either
       7             :   version 2.1 of the License, or (at your option) any later version.
       8             : 
       9             :   This library is distributed in the hope that it will be useful,
      10             :   but WITHOUT ANY WARRANTY; without even the implied warranty of
      11             :   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
      12             :   Lesser General Public License for more details.
      13             : 
      14             :   You should have received a copy of the GNU Lesser General Public
      15             :   License along with this library; if not, see <http://www.gnu.org/licenses/>.
      16             : */
      17             : /* This file include recorder library headers or if disabled provide
      18             :  * replacement declarations */
      19             : 
      20             : #ifdef ENABLE_RECORDER
      21             : #include <common/recorder/recorder.h>
      22             : 
      23             : #elif defined(ENABLE_AGENT_INTERFACE)
      24             : #include <common/agent_interface.h>
      25             : 
      26             : #else
      27             : 
      28             : #include <stdio.h>
      29             : #include <stdint.h>
      30             : #include <spice/macros.h>
      31             : 
      32             : /* Replacement declarations.
      33             :  * There declarations should generate no code (beside when no optimization are
      34             :  * selected) but catch some possible programming warnings/errors at
      35             :  * compile/link time like:
      36             :  * - usage of undeclared recorders;
      37             :  * - recording formats and arguments;
      38             :  * - matching RECORD_TIMING_BEGIN and RECORD_TIMING_END.
      39             :  * The only exceptions are tweaks which just generate a variable to hold the
      40             :  * value.
      41             :  */
      42             : 
      43             : typedef struct SpiceEmptyStruct {
      44             :     char dummy[0];
      45             : } SpiceEmptyStruct;
      46             : 
      47             : typedef struct SpiceDummyTweak {
      48             :     intptr_t tweak_value;
      49             : } SpiceDummyTweak;
      50             : 
      51             : #define RECORDER_DECLARE(rec) \
      52             :     extern const SpiceEmptyStruct spice_recorder_ ## rec
      53             : #define RECORDER(rec, num_rings, comment) \
      54             :     RECORDER_DEFINE(rec, num_rings, comment)
      55             : #define RECORDER_DEFINE(rec, num_rings, comment) \
      56             :     const SpiceEmptyStruct SPICE_GNUC_UNUSED spice_recorder_ ## rec = {}
      57             : #define RECORDER_TRACE(rec) \
      58             :     (sizeof(spice_recorder_ ## rec) != sizeof(SpiceEmptyStruct))
      59             : #define RECORDER_TWEAK_DECLARE(rec) \
      60             :     extern const SpiceDummyTweak spice_recorder_tweak_ ## rec
      61             : #define RECORDER_TWEAK_DEFINE(rec, value, comment) \
      62             :     const SpiceDummyTweak spice_recorder_tweak_ ## rec = { (value) }
      63             : #define RECORDER_TWEAK(rec) \
      64             :     ((spice_recorder_tweak_ ## rec).tweak_value)
      65             : #define RECORD(rec, ...) do { \
      66             :         if (sizeof((spice_recorder_ ## rec).dummy)) printf(__VA_ARGS__); \
      67             :     } while(0)
      68             : #define RECORD_TIMING_BEGIN(rec) \
      69             :     do { RECORD(rec, "begin");
      70             : #define RECORD_TIMING_END(rec, op, name, value) \
      71             :         RECORD(rec, "end" op name); \
      72             :     } while(0)
      73             : #define record(...) \
      74             :     RECORD(__VA_ARGS__)
      75             : static inline void
      76          10 : recorder_dump_on_common_signals(unsigned add, unsigned remove)
      77             : {
      78          10 : }
      79             : #endif
      80             : 
      81             : #if !defined(ENABLE_AGENT_INTERFACE)
      82             : #ifdef __cplusplus
      83             : extern "C" {
      84             : #endif // __cplusplus
      85             : 
      86             : /* Stubs for Agent-Interface specific definitions */
      87             : static inline void
      88             : agent_interface_start(unsigned int port)
      89             : {
      90             : }
      91             : 
      92             : typedef void (*forward_quality_cb_t)(void *, const char *);
      93             : static inline void
      94             : agent_interface_set_forward_quality_cb(forward_quality_cb_t cb, void *data)
      95             : {
      96             : }
      97             : 
      98             : typedef int (*on_connect_cb_t)(void *);
      99             : static inline void
     100             : agent_interface_set_on_connect_cb(on_connect_cb_t cb, void *data)
     101             : {
     102             : }
     103             : #ifdef __cplusplus
     104             : }
     105             : #endif // __cplusplus
     106             : #endif