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Last updated Tue Mar 27 23:03:52 2007 |
ra_pl_comm.h
Go to the documentation of this file.00001 00010 /*---------------------------------------------------------------------------- 00011 * 00012 * Copyright (C) 2002-2004, Raphael Schneider 00013 * See the file COPYING for information on usage and redistribution. 00014 * 00015 * $Header: /home/cvs_repos.bak/librasch/include/ra_pl_comm.h,v 1.5 2004/06/02 13:36:35 rasch Exp $ 00016 * 00017 *--------------------------------------------------------------------------*/ 00018 00019 #ifndef _RA_PL_COMM_H 00020 #define _RA_PL_COMM_H 00021 00022 #ifdef __cplusplus 00023 extern "C" { 00024 #endif 00025 00026 #include <ra.h> 00027 00028 00029 #define MAX_SIGNAL_NAME 250 00030 typedef void *dest_handle; 00031 00038 struct slot_info 00039 { 00040 plugin_handle plugin; 00041 dest_handle dest; 00042 }; /* struct slot_info */ 00043 00044 00045 /* FIXME: use hash to find signal */ 00053 struct signal 00054 { 00055 char name[MAX_SIGNAL_NAME]; 00056 00057 int num_slots; 00058 struct slot_info *slot; /* variable-name 'slots' doesn't work with Qt */ 00059 }; /* struct signal */ 00060 00061 00068 struct plugin_comm 00069 { 00070 int num_signals; 00071 struct signal *sig; 00072 }; /* struct plugin_comm */ 00073 00074 00075 #define PARA_CHAR 0 00076 #define PARA_BYTE 1 00077 #define PARA_SHORT 2 00078 #define PARA_UNSIGNED_SHORT 3 00079 #define PARA_INT 4 00080 #define PARA_UNSIGNED_INT 5 00081 #define PARA_LONG 6 00082 #define PARA_UNSIGNED_LONG 7 00083 #define PARA_FLOAT 8 00084 #define PARA_DOUBLE 9 00085 #define PARA_CHAR_POINTER 10 00086 #define PARA_BYTE_POINTER 11 00087 #define PARA_SHORT_POINTER 12 00088 #define PARA_UNSIGNED_SHORT_POINTER 13 00089 #define PARA_INT_POINTER 14 00090 #define PARA_UNSIGNED_INT_POINTER 15 00091 #define PARA_LONG_POINTER 16 00092 #define PARA_UNSIGNED_LONG_POINTER 17 00093 #define PARA_FLOAT_POINTER 18 00094 #define PARA_DOUBLE_POINTER 19 00095 #define PARA_VOID_POINTER 20 00096 00097 /* TODO: think if struct comm_para can be combined with struct ra_info or struct ra_info use 00098 this struct and if it's useful to add parameter description */ 00099 struct comm_para 00100 { 00101 int type; /* see defines PARA_* above */ 00102 union 00103 { 00104 char c; 00105 unsigned char b; 00106 short int sn; 00107 unsigned short int usn; 00108 int n; 00109 unsigned int un; 00110 long l; 00111 unsigned long ul; 00112 float f; 00113 double d; 00114 00115 char *pc; 00116 unsigned char *pb; 00117 short int *psn; 00118 unsigned short int *pusn; 00119 int *pn; 00120 unsigned int *pun; 00121 long *pl; 00122 unsigned long *pul; 00123 float *pf; 00124 double *pd; 00125 void *pv; 00126 } 00127 v; 00128 }; /* struct comm_para */ 00129 00130 00131 /* interface used by plugins */ 00132 /* TODO: think about if these protoypes should be moved to ra.h */ 00133 LIBRAAPI int ra_comm_add(meas_handle mh, plugin_handle p, dest_handle dh, const char *sig_name); 00134 LIBRAAPI void ra_comm_del(meas_handle mh, dest_handle dh, const char *sig_name); 00135 LIBRAAPI void ra_comm_emit(meas_handle mh, const char *sender, const char *sig_name, int num_para, struct comm_para *p); 00136 00137 /* internal functions */ 00138 struct signal *find_signal(struct plugin_comm *plc, const char *sig_name); 00139 struct signal *add_signal(struct plugin_comm *plc, const char *sig_name); 00140 int find_slot(struct signal *sig, dest_handle dh); 00141 00142 #ifdef __cplusplus 00143 } 00144 #endif 00145 00146 #endif /* _RA_PL_COMM_H */
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