forked from enlightenment/efl
329 lines
9.7 KiB
C
329 lines
9.7 KiB
C
#ifndef _ECORE_IPC_H
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#define _ECORE_IPC_H
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#include <Eina.h>
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#ifdef EAPI
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# undef EAPI
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#endif
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#ifdef _WIN32
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# ifdef EFL_ECORE_IPC_BUILD
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# ifdef DLL_EXPORT
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# define EAPI __declspec(dllexport)
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# else
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# define EAPI
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# endif
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# else
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# define EAPI __declspec(dllimport)
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# endif
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#else
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# ifdef __GNUC__
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# if __GNUC__ >= 4
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# define EAPI __attribute__ ((visibility("default")))
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# else
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# define EAPI
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# endif
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# else
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# define EAPI
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# endif
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#endif
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/**
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* @file Ecore_Ipc.h
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* @brief Ecore inter-process communication functions.
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*/
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#ifdef __cplusplus
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extern "C" {
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#endif
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typedef struct _Ecore_Ipc_Server Ecore_Ipc_Server; /**< An IPC connection handle */
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typedef struct _Ecore_Ipc_Client Ecore_Ipc_Client; /**< An IPC connection handle */
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EAPI unsigned short _ecore_ipc_swap_16(unsigned short v);
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EAPI unsigned int _ecore_ipc_swap_32(unsigned int v);
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EAPI unsigned long long _ecore_ipc_swap_64(unsigned long long v);
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#ifdef WORDS_BIGENDIAN
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#define ECORE_IPC_SWAP2NET64(x) _ecore_ipc_swap_64(x)
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#define ECORE_IPC_SWAP2CPU64(x) _ecore_ipc_swap_64(x)
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#define ECORE_IPC_SWAP2NET32(x) _ecore_ipc_swap_32(x)
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#define ECORE_IPC_SWAP2CPU32(x) _ecore_ipc_swap_32(x)
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#define ECORE_IPC_SWAP2NET16(x) _ecore_ipc_swap_16(x)
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#define ECORE_IPC_SWAP2CPU16(x) _ecore_ipc_swap_16(x)
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#define ECORE_IPC_SWAP2NET8(x) (x)
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#define ECORE_IPC_SWAP2CPU8(x) (x)
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#else
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#define ECORE_IPC_SWAP2NET64(x) (x)
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#define ECORE_IPC_SWAP2CPU64(x) (x)
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#define ECORE_IPC_SWAP2NET32(x) (x)
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#define ECORE_IPC_SWAP2CPU32(x) (x)
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#define ECORE_IPC_SWAP2NET16(x) (x)
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#define ECORE_IPC_SWAP2CPU16(x) (x)
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#define ECORE_IPC_SWAP2NET8(x) (x)
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#define ECORE_IPC_SWAP2CPU8(x) (x)
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#endif
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/* 1, 2, 4 and 8 byte datatypes */
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/* unpacking */
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#define ECORE_IPC_GET64(v)\
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{ \
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p->v = ECORE_IPC_SWAP2CPU64(*(long long *)(ptr)); \
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ptr += 8; \
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}
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#define ECORE_IPC_GET32(v)\
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{ \
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p->v = ECORE_IPC_SWAP2CPU32(*(int *)(ptr)); \
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ptr += 4; \
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}
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#define ECORE_IPC_GET16(v)\
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{ \
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p->v = ECORE_IPC_SWAP2CPU16(*(short *)(ptr)); \
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ptr += 2; \
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}
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#define ECORE_IPC_GET8(v) \
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{ \
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p->v = ECORE_IPC_SWAP2CPU8(*(char *)(ptr)); \
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ptr += 1; \
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}
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/* packing */
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#define ECORE_IPC_PUT64(v)\
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{ \
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*(long long *)(ptr) = ECORE_IPC_SWAP2NET64(p->v); \
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ptr += 8; \
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}
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#define ECORE_IPC_PUT32(v)\
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{ \
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*(int *)(ptr) = ECORE_IPC_SWAP2NET32(p->v); \
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ptr += 4; \
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}
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#define ECORE_IPC_PUT16(v)\
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{ \
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*(short *)(ptr) = ECORE_IPC_SWAP2NET16(p->v); \
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ptr += 2; \
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}
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#define ECORE_IPC_PUT8(v) \
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{ \
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*(char *)(ptr) = ECORE_IPC_SWAP2NET8(p->v); \
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ptr += 1; \
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}
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/* padding data */
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#define ECORE_IPC_PAD8() ptr += 1
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#define ECORE_IPC_PAD16() ptr += 2
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#define ECORE_IPC_PAD32() ptr += 4
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#define ECORE_IPC_PAD64() ptr += 8
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/* counting data when encoding lists */
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#define ECORE_IPC_CNT8() len += 1
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#define ECORE_IPC_CNT16() len += 2
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#define ECORE_IPC_CNT32() len += 4
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#define ECORE_IPC_CNT64() len += 8
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/* strings */
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#define ECORE_IPC_CHEKS() if (*((unsigned char *)d + s - 1) != 0) return 0;
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#define ECORE_IPC_GETS(v) \
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{ \
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if (ptr < ((unsigned char *)d + s)) \
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{ \
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p->v = (char *)ptr; \
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ptr += strlen(p->v) + 1; \
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} \
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}
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#define ECORE_IPC_PUTS(v, l)\
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{ \
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strcpy((char *)ptr, p->v); \
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ptr += l + 1; \
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}
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/* handy to calculate what sized block we need to alloc */
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#define ECORE_IPC_SLEN(l, v) ((l = strlen(p->v)) + 1)
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#define ECORE_IPC_CNTS(v) len += strlen(p->v) + 1
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/* saves typing function headers */
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#define ECORE_IPC_DEC_STRUCT_PROTO(x) static int x(void *d, int s, void *pp)
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#define ECORE_IPC_ENC_STRUCT_PROTO(x) static void *x(void *pp, int *s)
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#define ECORE_IPC_DEC_EINA_LIST_PROTO(x) static Eina_List *x(void *d, int s)
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#define ECORE_IPC_ENC_EINA_LIST_PROTO(x) static void *x(Eina_List *lp, int *s)
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/* decoder setup - saves typing. requires data packet of exact size, or fail */
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#define ECORE_IPC_DEC_STRUCT_HEAD_EXACT(typ, x) \
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typ *p; \
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unsigned char *ptr; \
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p = (typ *)pp; \
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if (!d) return 0; if (s != (x)) return 0; \
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ptr = d;
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/* decoder setup - saves typing. requires data packet of a minimum size */
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#define ECORE_IPC_DEC_STRUCT_HEAD_MIN(typ, x) \
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typ *p; \
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unsigned char *ptr; \
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p = (typ *)pp; \
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if (!d) return 0; if (s < (x)) return 0; \
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ptr = d;
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/* footer for the hell of it */
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#define ECORE_IPC_DEC_STRUCT_FOOT() return 1
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/* header for encoder - gives native strct type and size of flattened packet */
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#define ECORE_IPC_ENC_STRUCT_HEAD(typ, sz) \
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typ *p; \
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unsigned char *d, *ptr; \
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int len; \
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*s = 0; \
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if(!pp) return NULL; \
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p = (typ *)pp; \
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len = sz; \
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d = malloc(len); \
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if (!d) return NULL; \
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*s = len; \
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ptr = d;
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/* footer for the hell of it */
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#define ECORE_IPC_ENC_STRUCT_FOOT() return d
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#define ECORE_IPC_DEC_EINA_LIST_HEAD(typ) \
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unsigned char *ptr; \
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Eina_List *l; \
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typ *p; \
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l = NULL; \
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ptr = d; \
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while(ptr < (unsigned char *)(d + s)) \
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{ \
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p = malloc(sizeof(typ));
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#define ECORE_IPC_DEC_EINA_LIST_FOOT() \
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l = eina_list_append(l, p); \
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} \
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return l
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#define ECORE_IPC_ENC_EINA_LIST_HEAD_START(typ) \
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Eina_List *l; \
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typ *p; \
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unsigned char *d, *ptr; \
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int len; \
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*s = 0; \
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len = 0; \
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for (l = lp; l; l = l->next) \
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{ \
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p = l->data;
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#define ECORE_IPC_ENC_EINA_LIST_HEAD_FINISH() \
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} \
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d = malloc(len); \
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if(!d) return NULL; \
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*s = len; \
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ptr = d; \
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for (l = lp; l; l = l->next) \
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{ \
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p = l->data;
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#define ECORE_IPC_ENC_EINA_LIST_FOOT() \
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} \
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return d
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typedef enum _Ecore_Ipc_Type
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{
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ECORE_IPC_LOCAL_USER,
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ECORE_IPC_LOCAL_SYSTEM,
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ECORE_IPC_REMOTE_SYSTEM,
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ECORE_IPC_USE_SSL = (1 << 4),
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ECORE_IPC_NO_PROXY = (1 << 5)
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} Ecore_Ipc_Type;
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typedef struct _Ecore_Ipc_Event_Client_Add Ecore_Ipc_Event_Client_Add;
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typedef struct _Ecore_Ipc_Event_Client_Del Ecore_Ipc_Event_Client_Del;
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typedef struct _Ecore_Ipc_Event_Server_Add Ecore_Ipc_Event_Server_Add;
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typedef struct _Ecore_Ipc_Event_Server_Del Ecore_Ipc_Event_Server_Del;
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typedef struct _Ecore_Ipc_Event_Client_Data Ecore_Ipc_Event_Client_Data;
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typedef struct _Ecore_Ipc_Event_Server_Data Ecore_Ipc_Event_Server_Data;
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struct _Ecore_Ipc_Event_Client_Add
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{
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Ecore_Ipc_Client *client;
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};
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struct _Ecore_Ipc_Event_Client_Del
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{
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Ecore_Ipc_Client *client;
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};
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struct _Ecore_Ipc_Event_Server_Add
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{
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Ecore_Ipc_Server *server;
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};
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struct _Ecore_Ipc_Event_Server_Del
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{
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Ecore_Ipc_Server *server;
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};
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struct _Ecore_Ipc_Event_Client_Data
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{
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Ecore_Ipc_Client *client;
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/* FIXME: this needs to become an ipc message */
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int major;
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int minor;
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int ref;
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int ref_to;
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int response;
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void *data;
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int size;
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};
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struct _Ecore_Ipc_Event_Server_Data
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{
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Ecore_Ipc_Server *server;
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/* FIXME: this needs to become an ipc message */
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int major;
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int minor;
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int ref;
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int ref_to;
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int response;
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void *data;
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int size;
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};
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EAPI extern int ECORE_IPC_EVENT_CLIENT_ADD;
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EAPI extern int ECORE_IPC_EVENT_CLIENT_DEL;
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EAPI extern int ECORE_IPC_EVENT_SERVER_ADD;
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EAPI extern int ECORE_IPC_EVENT_SERVER_DEL;
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EAPI extern int ECORE_IPC_EVENT_CLIENT_DATA;
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EAPI extern int ECORE_IPC_EVENT_SERVER_DATA;
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EAPI int ecore_ipc_init(void);
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EAPI int ecore_ipc_shutdown(void);
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/* FIXME: need to add protocol type parameter */
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EAPI Ecore_Ipc_Server *ecore_ipc_server_add(Ecore_Ipc_Type type, const char *name, int port, const void *data);
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/* FIXME: need to add protocol type parameter */
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EAPI Ecore_Ipc_Server *ecore_ipc_server_connect(Ecore_Ipc_Type type, char *name, int port, const void *data);
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EAPI void *ecore_ipc_server_del(Ecore_Ipc_Server *svr);
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EAPI void *ecore_ipc_server_data_get(Ecore_Ipc_Server *svr);
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EAPI Eina_Bool ecore_ipc_server_connected_get(Ecore_Ipc_Server *svr);
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EAPI Eina_List *ecore_ipc_server_clients_get(Ecore_Ipc_Server *svr);
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/* FIXME: this needs to become an ipc message */
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EAPI int ecore_ipc_server_send(Ecore_Ipc_Server *svr, int major, int minor, int ref, int ref_to, int response, const void *data, int size);
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EAPI void ecore_ipc_server_client_limit_set(Ecore_Ipc_Server *svr, int client_limit, char reject_excess_clients);
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EAPI void ecore_ipc_server_data_size_max_set(Ecore_Ipc_Server *srv, int size);
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EAPI int ecore_ipc_server_data_size_max_get(Ecore_Ipc_Server *srv);
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EAPI const char *ecore_ipc_server_ip_get(Ecore_Ipc_Server *svr);
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EAPI void ecore_ipc_server_flush(Ecore_Ipc_Server *svr);
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/* FIXME: this needs to become an ipc message */
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EAPI int ecore_ipc_client_send(Ecore_Ipc_Client *cl, int major, int minor, int ref, int ref_to, int response, const void *data, int size);
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EAPI Ecore_Ipc_Server *ecore_ipc_client_server_get(Ecore_Ipc_Client *cl);
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EAPI void *ecore_ipc_client_del(Ecore_Ipc_Client *cl);
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EAPI void ecore_ipc_client_data_set(Ecore_Ipc_Client *cl, const void *data);
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EAPI void *ecore_ipc_client_data_get(Ecore_Ipc_Client *cl);
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EAPI void ecore_ipc_client_data_size_max_set(Ecore_Ipc_Client *cl, int size);
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EAPI int ecore_ipc_client_data_size_max_get(Ecore_Ipc_Client *cl);
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EAPI const char *ecore_ipc_client_ip_get(Ecore_Ipc_Client *cl);
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EAPI void ecore_ipc_client_flush(Ecore_Ipc_Client *cl);
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EAPI int ecore_ipc_ssl_available_get(void);
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/* FIXME: need to add a callback to "ok" large ipc messages greater than */
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/* a certain size (seurity/DOS attack safety) */
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#ifdef __cplusplus
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}
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#endif
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#endif
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