Enlightenment CVS committal Author : raster Project : e17 Module : libs/ecore
Dir : e17/libs/ecore/src/lib/ecore_ipc Modified Files: Ecore_Ipc.h ecore_ipc.c Log Message: patches - shorne =================================================================== RCS file: /cvsroot/enlightenment/e17/libs/ecore/src/lib/ecore_ipc/Ecore_Ipc.h,v retrieving revision 1.6 retrieving revision 1.7 diff -u -3 -r1.6 -r1.7 --- Ecore_Ipc.h 4 Mar 2005 19:29:39 -0000 1.6 +++ Ecore_Ipc.h 9 Apr 2005 00:07:32 -0000 1.7 @@ -26,12 +26,187 @@ #ifdef __cplusplus extern "C" { #endif - + #ifndef _ECORE_IPC_PRIVATE_H typedef void Ecore_Ipc_Server; /**< An IPC connection handle */ typedef void Ecore_Ipc_Client; /**< An IPC connection handle */ #endif +/** + * Macros used for generic data packing + */ +#ifdef WORDS_BIGENDIAN +#define ECORE_IPC_SWAP2NET64(x) _ecore_ipc_swap_64(x) +#define ECORE_IPC_SWAP2CPU64(x) _ecore_ipc_swap_64(x) +#define ECORE_IPC_SWAP2NET32(x) _ecore_ipc_swap_32(x) +#define ECORE_IPC_SWAP2CPU32(x) _ecore_ipc_swap_32(x) +#define ECORE_IPC_SWAP2NET16(x) _ecore_ipc_swap_16(x) +#define ECORE_IPC_SWAP2CPU16(x) _ecore_ipc_swap_16(x) +#define ECORE_IPC_SWAP2NET8(x) (x) +#define ECORE_IPC_SWAP2CPU8(x) (x) +#else +#define ECORE_IPC_SWAP2NET64(x) (x) +#define ECORE_IPC_SWAP2CPU64(x) (x) +#define ECORE_IPC_SWAP2NET32(x) (x) +#define ECORE_IPC_SWAP2CPU32(x) (x) +#define ECORE_IPC_SWAP2NET16(x) (x) +#define ECORE_IPC_SWAP2CPU16(x) (x) +#define ECORE_IPC_SWAP2NET8(x) (x) +#define ECORE_IPC_SWAP2CPU8(x) (x) +#endif + +/* 1, 2, 4 and 8 byte datatypes */ +/* unpacking */ +#define ECORE_IPC_GET64(v)\ + { \ + p->v = ECORE_IPC_SWAP2CPU64(*(long long *)(ptr)); \ + ptr += 8; \ + } +#define ECORE_IPC_GET32(v)\ + { \ + p->v = ECORE_IPC_SWAP2CPU32(*(int *)(ptr)); \ + ptr += 4; \ + } +#define ECORE_IPC_GET16(v)\ + { \ + p->v = ECORE_IPC_SWAP2CPU16(*(short *)(ptr)); \ + ptr += 2; \ + } +#define ECORE_IPC_GET8(v) \ + { \ + p->v = ECORE_IPC_SWAP2CPU8(*(char *)(ptr)); \ + ptr += 1; \ + } +/* packing */ +#define ECORE_IPC_PUT64(v)\ + { \ + *(long long *)(ptr) = ECORE_IPC_SWAP2NET64(p->v); \ + ptr += 8; \ + } +#define ECORE_IPC_PUT32(v)\ + { \ + *(int *)(ptr) = ECORE_IPC_SWAP2NET32(p->v); \ + ptr += 4; \ + } +#define ECORE_IPC_PUT16(v)\ + { \ + *(short *)(ptr) = ECORE_IPC_SWAP2NET16(p->v); \ + ptr += 2; \ + } +#define ECORE_IPC_PUT8(v) \ + { \ + *(char *)(ptr) = ECORE_IPC_SWAP2NET8(p->v); \ + ptr += 1; \ + } +/* padding data */ +#define ECORE_IPC_PAD8() ptr += 1 +#define ECORE_IPC_PAD16() ptr += 2 +#define ECORE_IPC_PAD32() ptr += 4 +#define ECORE_IPC_PAD64() ptr += 8 + +/* counting data when encoding lists */ +#define ECORE_IPC_CNT8() len += 1 +#define ECORE_IPC_CNT16() len += 2 +#define ECORE_IPC_CNT32() len += 4 +#define ECORE_IPC_CNT64() len += 8 + +/* strings */ +#define ECORE_IPC_CHEKS() if (*((unsigned char *)d + s - 1) != 0) return 0; +#define ECORE_IPC_GETS(v) \ + { \ + if (ptr < ((unsigned char *)d + s)) \ + { \ + p->v = ptr; \ + ptr += strlen(p->v) + 1; \ + } \ + } +#define ECORE_IPC_PUTS(v, l)\ + { \ + strcpy(ptr, p->v); \ + ptr += l + 1; \ + } + +/* handy to calculate what sized block we need to alloc */ +#define ECORE_IPC_SLEN(l, v) ((l = strlen(p->v)) + 1) +#define ECORE_IPC_CNTS(v) len += strlen(p->v) + 1 + +/* saves typing function headers */ +#define ECORE_IPC_DEC_STRUCT_PROTO(x) static int x(void *d, int s, void *pp) +#define ECORE_IPC_ENC_STRUCT_PROTO(x) static void *x(void *pp, int *s) +#define ECORE_IPC_DEC_EVAS_LIST_PROTO(x) static Evas_List *x(void *d, int s) +#define ECORE_IPC_ENC_EVAS_LIST_PROTO(x) static void *x(Evas_List *lp, int *s) + +/* decoder setup - saves typing. requires data packet of exact size, or fail */ +#define ECORE_IPC_DEC_STRUCT_HEAD_EXACT(typ, x) \ + typ *p; \ + unsigned char *ptr; \ + p = (typ *)pp; \ + if (!d) return 0; \ + if (s != (x)) return 0; \ + ptr = d; +/* decoder setup - saves typing. requires data packet of a minimum size */ +#define ECORE_IPC_DEC_STRUCT_HEAD_MIN(typ, x) \ + typ *p; \ + unsigned char *ptr; \ + p = (typ *)pp; \ + if (!d) return 0; \ + if (s < (x)) return 0; \ + ptr = d; +/* footer for the hell of it */ +#define ECORE_IPC_DEC_STRUCT_FOOT() return 1 +/* header for encoder - gives native strct type and size of flattened packet */ +#define ECORE_IPC_ENC_STRUCT_HEAD(typ, sz) \ + typ *p; \ + unsigned char *d, *ptr; \ + int len; \ + p = (typ *)pp; \ + *s = 0; \ + len = sz; \ + d = malloc(len); \ + if (!d) return NULL; \ + *s = len; \ + ptr = d; +/* footer for the hell of it */ +#define ECORE_IPC_ENC_STRUCT_FOOT() return d + +#define ECORE_IPC_DEC_EVAS_LIST_HEAD(typ) \ + unsigned char *ptr; \ + Evas_List *l; \ + typ *p; \ + l = NULL; \ + ptr = d; \ + while(ptr < (unsigned char *)(d + s)) \ + { \ + p = malloc(sizeof(typ)); + +#define ECORE_IPC_DEC_EVAS_LIST_FOOT() \ + l = evas_list_append(l, p); \ + } \ + return l +#define ECORE_IPC_ENC_EVAS_LIST_HEAD_START(typ) \ + Evas_List *l; \ + typ *p; \ + unsigned char *d, *ptr; \ + int len; \ + *s = 0; \ + len = 0; \ + for (l = lp; l; l = l->next) \ + { \ + p = l->data; +#define ECORE_IPC_ENC_EVAS_LIST_HEAD_FINISH() \ + } \ + d = malloc(len); \ + if(!d) return NULL; \ + *s = len; \ + ptr = d; \ + for (l = lp; l; l = l->next) \ + { \ + p = l->data; + +#define ECORE_IPC_ENC_EVAS_LIST_FOOT() \ + } \ + return d + typedef enum _Ecore_Ipc_Type { ECORE_IPC_LOCAL_USER, =================================================================== RCS file: /cvsroot/enlightenment/e17/libs/ecore/src/lib/ecore_ipc/ecore_ipc.c,v retrieving revision 1.17 retrieving revision 1.18 diff -u -3 -r1.17 -r1.18 --- ecore_ipc.c 4 Mar 2005 19:29:39 -0000 1.17 +++ ecore_ipc.c 9 Apr 2005 00:07:32 -0000 1.18 @@ -28,6 +28,41 @@ #define DLT_R1 14 #define DLT_R2 15 +/* byte swappers - for dealing with big vs little endian machines */ +static unsigned short +_ecore_ipc_swap_16(unsigned short v) +{ + unsigned char *s, t; + + s = (unsigned char *)(&v); + t = s[0]; s[0] = s[1]; s[1] = t; + return v; +} + +static unsigned int +_ecore_ipc_swap_32(unsigned int v) +{ + unsigned char *s, t; + + s = (unsigned char *)(&v); + t = s[0]; s[0] = s[3]; s[3] = t; + t = s[1]; s[1] = s[2]; s[2] = t; + return v; +} + +static unsigned long long +_ecore_ipc_swap_64(unsigned long long v) +{ + unsigned char *s, t; + + s = (unsigned char *)(&v); + t = s[0]; s[0] = s[7]; s[7] = t; + t = s[1]; s[1] = s[6]; s[6] = t; + t = s[2]; s[2] = s[5]; s[5] = t; + t = s[3]; s[3] = s[4]; s[4] = t; + return v; +} + static int _ecore_ipc_dlt_int(int out, int prev, int *mode); static int _ecore_ipc_ddlt_int(int in, int prev, int mode); ------------------------------------------------------- SF email is sponsored by - The IT Product Guide Read honest & candid reviews on hundreds of IT Products from real users. 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