ipc header compression as part of the protocol. this relies on previosu
header states and does delta's. it seems to give me about 50-70% compression for the headers - not bad. also solved aligned memory access problem waiting to happen... :) SVN revision: 9870
This commit is contained in:
parent
61bb6beaba
commit
4b2111867f
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@ -507,7 +507,7 @@ ecore_con_server_send(Ecore_Con_Server *svr, void *data, int size)
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"ecore_con_server_send");
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return 0;
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}
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if (svr->dead) return 1;
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if (svr->dead) return 0;
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if (!data) return 0;
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if (size < 1) return 0;
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ecore_main_fd_handler_active_set(svr->fd_handler, ECORE_FD_READ | ECORE_FD_WRITE);
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@ -529,7 +529,7 @@ ecore_con_server_send(Ecore_Con_Server *svr, void *data, int size)
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memcpy(svr->write_buf, data, size);
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}
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_ecore_con_server_flush(svr);
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return 1;
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return size;
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}
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/**
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@ -568,7 +568,7 @@ ecore_con_client_send(Ecore_Con_Client *cl, void *data, int size)
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memcpy(cl->buf, data, size);
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}
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_ecore_con_client_flush(cl);
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return 1;
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return size;
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}
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/**
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@ -7,17 +7,170 @@
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#include <netinet/in.h>
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typedef struct _Ecore_Ipc_Msg_Head Ecore_Ipc_Msg_Head;
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#define DLT_ZERO 0
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#define DLT_ONE 1
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#define DLT_SAME 2
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#define DLT_SHL 3
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#define DLT_SHR 4
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#define DLT_ADD8 5
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#define DLT_DEL8 6
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#define DLT_ADDU8 7
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#define DLT_DELU8 8
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#define DLT_ADD16 9
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#define DLT_DEL16 10
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#define DLT_ADDU16 11
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#define DLT_DELU16 12
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#define DLT_SET 13
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#define DLT_R1 14
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#define DLT_R2 15
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struct _Ecore_Ipc_Msg_Head
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static int _ecore_ipc_dlt_int(int out, int prev, int *mode);
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static int _ecore_ipc_ddlt_int(int in, int prev, int mode);
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static int
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_ecore_ipc_dlt_int(int out, int prev, int *mode)
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{
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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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int size;
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} __attribute__ ((packed));
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int dlt;
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/* 0 byte */
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if (out == 0)
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{
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*mode = DLT_ZERO;
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return 0;
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}
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if (out == 0xffffffff)
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{
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*mode = DLT_ONE;
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return 0;
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}
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if (out == prev)
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{
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*mode = DLT_SAME;
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return 0;
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}
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if (out == prev << 1)
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{
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*mode = DLT_SHL;
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return 0;
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}
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if (out == prev >> 1)
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{
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*mode = DLT_SHR;
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return 0;
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}
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/* 1 byte */
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dlt = out - prev;
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if (!(dlt & 0xffffff00))
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{
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*mode = DLT_ADD8;
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return dlt & 0xff;
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}
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dlt = prev - out;
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if (!(dlt & 0xffffff00))
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{
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*mode = DLT_DEL8;
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return dlt & 0xff;
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}
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dlt = out - prev;
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if (!(dlt & 0x00ffffff))
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{
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*mode = DLT_ADDU8;
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return (dlt >> 24) & 0xff;
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}
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dlt = prev - out;
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if (!(dlt & 0x00ffffff))
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{
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*mode = DLT_DELU8;
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return (dlt >> 24) & 0xff;
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}
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/* 2 byte */
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dlt = out - prev;
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if (!(dlt & 0xffff0000))
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{
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*mode = DLT_ADD8;
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return dlt & 0xfffff;
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}
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dlt = prev - out;
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if (!(dlt & 0xffff0000))
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{
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*mode = DLT_DEL8;
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return dlt & 0xffff;
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}
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dlt = out - prev;
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if (!(dlt & 0x0000ffff))
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{
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*mode = DLT_ADDU8;
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return (dlt >> 16) & 0xffff;
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}
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dlt = prev - out;
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if (!(dlt & 0x0000ffff))
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{
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*mode = DLT_DELU8;
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return (dlt >> 16) & 0xffff;
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}
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/* 4 byte */
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*mode = DLT_SET;
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return out;
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}
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static int
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_ecore_ipc_ddlt_int(int in, int prev, int mode)
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{
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switch (mode)
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{
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case DLT_ZERO:
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return 0;
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break;
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case DLT_ONE:
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return 0xffffffff;
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break;
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case DLT_SAME:
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return prev;
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break;
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case DLT_SHL:
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return prev << 1;
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break;
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case DLT_SHR:
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return prev >> 1;
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break;
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case DLT_ADD8:
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return prev + in;
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break;
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case DLT_DEL8:
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return prev - in;
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break;
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case DLT_ADDU8:
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return prev + (in << 24);
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break;
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case DLT_DELU8:
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return prev - (in << 24);
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break;
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case DLT_ADD16:
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return prev + in;
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break;
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case DLT_DEL16:
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return prev - in;
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break;
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case DLT_ADDU16:
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return prev + (in << 16);
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break;
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case DLT_DELU16:
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return prev - (in << 16);
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break;
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case DLT_SET:
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return in;
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break;
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case DLT_R1:
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return 0;
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break;
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case DLT_R2:
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return 0;
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break;
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default:
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break;
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}
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return 0;
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}
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static int _ecore_ipc_event_client_add(void *data, int ev_type, void *ev);
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static int _ecore_ipc_event_client_del(void *data, int ev_type, void *ev);
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@ -238,6 +391,38 @@ ecore_ipc_server_connected_get(Ecore_Ipc_Server *svr)
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return ecore_con_server_connected_get(svr->server);
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}
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#define SVENC(_member) \
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d = _ecore_ipc_dlt_int(msg._member, svr->prev.o._member, &md); \
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if (md >= DLT_SET) \
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{ \
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unsigned int v; \
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unsigned char *dd; \
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dd = (unsigned char *)&v; \
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v = d; \
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v = htonl(v); \
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*(dat + s + 0) = dd[0]; \
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*(dat + s + 1) = dd[1]; \
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*(dat + s + 2) = dd[2]; \
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*(dat + s + 3) = dd[3]; \
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s += 4; \
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} \
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else if (md >= DLT_ADD16) \
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{ \
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unsigned short v; \
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unsigned char *dd; \
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dd = (unsigned char *)&v; \
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v = d; \
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v = htons(v); \
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*(dat + s + 0) = dd[0]; \
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*(dat + s + 1) = dd[1]; \
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s += 2; \
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} \
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else if (md >= DLT_ADD8) \
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{ \
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*(dat + s + 0) = (unsigned char)d; \
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s += 1; \
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}
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/**
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* To be documented.
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*
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{
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Ecore_Ipc_Msg_Head msg;
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int ret;
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int *head, md = 0, d, s;
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unsigned char dat[sizeof(Ecore_Ipc_Msg_Head)];
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if (!ECORE_MAGIC_CHECK(svr, ECORE_MAGIC_IPC_SERVER))
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{
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return 0;
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}
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if (size < 0) size = 0;
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msg.major = htonl(major);
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msg.minor = htonl(minor);
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msg.ref = htonl(ref);
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msg.ref_to = htonl(ref_to);
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msg.response = htonl(response);
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msg.size = htonl(size);
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ret = ecore_con_server_send(svr->server, &msg, sizeof(Ecore_Ipc_Msg_Head));
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if (size > 0) ret |= ecore_con_server_send(svr->server, data, size);
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msg.major = major;
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msg.minor = minor;
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msg.ref = ref;
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msg.ref_to = ref_to;
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msg.response = response;
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msg.size = size;
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head = (int *)dat;
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s = 4;
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SVENC(major);
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*head = md;
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SVENC(minor);
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*head |= md << (4 * 1);
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SVENC(ref);
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*head |= md << (4 * 2);
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SVENC(ref_to);
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*head |= md << (4 * 3);
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SVENC(response);
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*head |= md << (4 * 4);
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SVENC(size);
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*head |= md << (4 * 5);
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*head = htonl(*head);
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svr->prev.o = msg;
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ret = ecore_con_server_send(svr->server, dat, s);
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if (size > 0) ret += ecore_con_server_send(svr->server, data, size);
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return ret;
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}
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#define CLENC(_member) \
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d = _ecore_ipc_dlt_int(msg._member, cl->prev.o._member, &md); \
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if (md >= DLT_SET) \
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{ \
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unsigned int v; \
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unsigned char *dd; \
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dd = (unsigned char *)&v; \
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v = d; \
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v = htonl(v); \
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*(dat + s + 0) = dd[0]; \
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*(dat + s + 1) = dd[1]; \
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*(dat + s + 2) = dd[2]; \
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*(dat + s + 3) = dd[3]; \
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s += 4; \
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} \
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else if (md >= DLT_ADD16) \
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{ \
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unsigned short v; \
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unsigned char *dd; \
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dd = (unsigned char *)&v; \
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v = d; \
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v = htons(v); \
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*(dat + s + 0) = dd[0]; \
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*(dat + s + 1) = dd[1]; \
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s += 2; \
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} \
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else if (md >= DLT_ADD8) \
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{ \
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*(dat + s) = (unsigned char)d; \
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s += 1; \
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}
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/**
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* To be documented.
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*
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@ -277,6 +512,8 @@ ecore_ipc_client_send(Ecore_Ipc_Client *cl, int major, int minor, int ref, int r
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{
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Ecore_Ipc_Msg_Head msg;
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int ret;
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int *head, md = 0, d, s;
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unsigned char dat[sizeof(Ecore_Ipc_Msg_Head)];
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if (!ECORE_MAGIC_CHECK(cl, ECORE_MAGIC_IPC_CLIENT))
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{
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@ -285,14 +522,30 @@ ecore_ipc_client_send(Ecore_Ipc_Client *cl, int major, int minor, int ref, int r
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return 0;
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}
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if (size < 0) size = 0;
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msg.major = htonl(major);
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msg.minor = htonl(minor);
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msg.ref = htonl(ref);
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msg.ref_to = htonl(ref_to);
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msg.response = htonl(response);
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msg.size = htonl(size);
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ret = ecore_con_client_send(cl->client, &msg, sizeof(Ecore_Ipc_Msg_Head));
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if (size > 0) ret |= ecore_con_client_send(cl->client, data, size);
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msg.major = major;
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msg.minor = minor;
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msg.ref = ref;
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msg.ref_to = ref_to;
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msg.response = response;
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msg.size = size;
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head = (int *)dat;
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s = 4;
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CLENC(major);
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*head = md;
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CLENC(minor);
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*head |= md << (4 * 1);
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CLENC(ref);
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*head |= md << (4 * 2);
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CLENC(ref_to);
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*head |= md << (4 * 3);
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CLENC(response);
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*head |= md << (4 * 4);
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CLENC(size);
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*head |= md << (4 * 5);
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*head = htonl(*head);
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cl->prev.o = msg;
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ret = ecore_con_client_send(cl->client, dat, s);
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if (size > 0) ret += ecore_con_client_send(cl->client, data, size);
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return ret;
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}
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@ -491,6 +744,37 @@ _ecore_ipc_event_server_del(void *data, int ev_type, void *ev)
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return 0;
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}
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#define CLSZ(_n) \
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md = ((head >> (4 * _n)) & 0xf); \
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if (md >= DLT_SET) s += 4; \
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else if (md >= DLT_ADD16) s += 2; \
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else if (md >= DLT_ADD8) s += 1;
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#define CLDEC(_n, _member) \
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md = ((head >> (4 * _n)) & 0xf); \
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if (md >= DLT_SET) \
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{ \
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dd[0] = *(cl->buf + offset + s + 0); \
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dd[1] = *(cl->buf + offset + s + 1); \
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dd[2] = *(cl->buf + offset + s + 2); \
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dd[3] = *(cl->buf + offset + s + 3); \
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d = ntohl(d); \
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s += 4; \
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} \
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else if (md >= DLT_ADD16) \
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{ \
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dd[0] = *(cl->buf + offset + s + 0); \
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dd[1] = *(cl->buf + offset + s + 1); \
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d = ntohs(d); \
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s += 2; \
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} \
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else if (md >= DLT_ADD8) \
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{ \
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d = *(cl->buf + offset + s + 0); \
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s += 1; \
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} \
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msg._member = _ecore_ipc_ddlt_int(d, cl->prev.i._member, md);
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static int
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_ecore_ipc_event_client_data(void *data, int ev_type, void *ev)
|
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{
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|
@ -501,7 +785,9 @@ _ecore_ipc_event_client_data(void *data, int ev_type, void *ev)
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/* handling code here */
|
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{
|
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Ecore_Ipc_Client *cl;
|
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Ecore_Ipc_Msg_Head *msg;
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Ecore_Ipc_Msg_Head msg;
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int offset = 0;
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unsigned char *buf;
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cl = ecore_con_client_data_get(e->client);
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|
@ -528,102 +814,143 @@ _ecore_ipc_event_client_data(void *data, int ev_type, void *ev)
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cl->buf_size += e->size;
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}
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/* examine header */
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if (cl->buf_size >= sizeof(Ecore_Ipc_Msg_Head))
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redo:
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if ((cl->buf_size - offset) >= sizeof(int))
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{
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int major, minor, ref, ref_to, response, size;
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int offset = 0;
|
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msg = (Ecore_Ipc_Msg_Head *)(cl->buf + offset);
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major = ntohl(msg->major);
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minor = ntohl(msg->minor);
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ref = ntohl(msg->ref);
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ref_to = ntohl(msg->ref_to);
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response = ntohl(msg->response);
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size = ntohl(msg->size);
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if (size < 0) size = 0;
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/* there is enough data in the buffer for a full message */
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if (cl->buf_size >= (sizeof(Ecore_Ipc_Msg_Head) + size))
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int s, md, d, head;
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unsigned char *dd;
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dd = (unsigned char *)&head;
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dd[0] = *(cl->buf + offset + 0);
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dd[1] = *(cl->buf + offset + 1);
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dd[2] = *(cl->buf + offset + 2);
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dd[3] = *(cl->buf + offset + 3);
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head = ntohl(head);
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dd = (unsigned char *)&d;
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s = 4;
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CLSZ(0);
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||||
CLSZ(1);
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CLSZ(2);
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||||
CLSZ(3);
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||||
CLSZ(4);
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||||
CLSZ(5);
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if ((cl->buf_size - offset) < s)
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||||
{
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||||
if (offset > 0) goto scroll;
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return 0;
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}
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||||
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s = 4;
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CLDEC(0, major);
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||||
CLDEC(1, minor);
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||||
CLDEC(2, ref);
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||||
CLDEC(3, ref_to);
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||||
CLDEC(4, response);
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||||
CLDEC(5, size);
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||||
if (msg.size < 0) msg.size = 0;
|
||||
/* there is enough data in the buffer for a full message */
|
||||
if ((cl->buf_size - offset) >= (s + msg.size))
|
||||
{
|
||||
unsigned char *buf;
|
||||
Ecore_Ipc_Event_Client_Data *e2;
|
||||
|
||||
redo:
|
||||
buf = NULL;
|
||||
if (size > 0)
|
||||
if (msg.size > 0)
|
||||
{
|
||||
buf = malloc(size);
|
||||
buf = malloc(msg.size);
|
||||
if (!buf) return 0;
|
||||
memcpy(buf, cl->buf + offset + sizeof(Ecore_Ipc_Msg_Head), size);
|
||||
memcpy(buf, cl->buf + offset + s, msg.size);
|
||||
}
|
||||
e2 = calloc(1, sizeof(Ecore_Ipc_Event_Client_Data));
|
||||
if (e2)
|
||||
{
|
||||
e2->client = cl;
|
||||
e2->major = major;
|
||||
e2->minor = minor;
|
||||
e2->ref = ref;
|
||||
e2->ref_to = ref_to;
|
||||
e2->response = response;
|
||||
e2->size = size;
|
||||
e2->major = msg.major;
|
||||
e2->minor = msg.minor;
|
||||
e2->ref = msg.ref;
|
||||
e2->ref_to = msg.ref_to;
|
||||
e2->response = msg.response;
|
||||
e2->size = msg.size;
|
||||
e2->data = buf;
|
||||
ecore_event_add(ECORE_IPC_EVENT_CLIENT_DATA, e2,
|
||||
_ecore_ipc_event_client_data_free, NULL);
|
||||
}
|
||||
offset += (sizeof(Ecore_Ipc_Msg_Head) + size);
|
||||
if ((cl->buf_size - offset) >= sizeof(Ecore_Ipc_Msg_Head))
|
||||
{
|
||||
msg = (Ecore_Ipc_Msg_Head *)(cl->buf + offset);
|
||||
major = ntohl(msg->major);
|
||||
minor = ntohl(msg->minor);
|
||||
ref = ntohl(msg->ref);
|
||||
ref_to = ntohl(msg->ref_to);
|
||||
response = ntohl(msg->response);
|
||||
size = ntohl(msg->size);
|
||||
if (size < 0) size = 0;
|
||||
if ((cl->buf_size - offset) >= (sizeof(Ecore_Ipc_Msg_Head) + size))
|
||||
goto redo;
|
||||
}
|
||||
/* remove data from our buffer and "scoll" the rest down */
|
||||
size = cl->buf_size - offset;
|
||||
/* if amount left after scroll is > 0 */
|
||||
if (size > 0)
|
||||
{
|
||||
buf = malloc(size);
|
||||
if (!buf)
|
||||
{
|
||||
free(cl->buf);
|
||||
cl->buf = NULL;
|
||||
cl->buf_size = 0;
|
||||
return 0;
|
||||
}
|
||||
memcpy(buf, cl->buf + offset, size);
|
||||
free(cl->buf);
|
||||
cl->buf = buf;
|
||||
cl->buf_size = size;
|
||||
}
|
||||
else
|
||||
cl->prev.i = msg;
|
||||
offset += (s + msg.size);
|
||||
if (cl->buf_size == offset)
|
||||
{
|
||||
free(cl->buf);
|
||||
cl->buf = NULL;
|
||||
cl->buf_size = 0;
|
||||
return 0;
|
||||
}
|
||||
goto redo;
|
||||
}
|
||||
else goto scroll;
|
||||
}
|
||||
else
|
||||
{
|
||||
scroll:
|
||||
buf = malloc(cl->buf_size - offset);
|
||||
if (!buf)
|
||||
{
|
||||
free(cl->buf);
|
||||
cl->buf = NULL;
|
||||
cl->buf_size = 0;
|
||||
return 0;
|
||||
}
|
||||
memcpy(buf, cl->buf + offset, cl->buf_size - offset);
|
||||
free(cl->buf);
|
||||
cl->buf = buf;
|
||||
cl->buf_size -= offset;
|
||||
}
|
||||
}
|
||||
return 0;
|
||||
}
|
||||
|
||||
#define SVSZ(_n) \
|
||||
md = ((head >> (4 * _n)) & 0xf); \
|
||||
if (md >= DLT_SET) s += 4; \
|
||||
else if (md >= DLT_ADD16) s += 2; \
|
||||
else if (md >= DLT_ADD8) s += 1;
|
||||
|
||||
#define SVDEC(_n, _member) \
|
||||
md = ((head >> (4 * _n)) & 0xf); \
|
||||
if (md >= DLT_SET) \
|
||||
{ \
|
||||
dd[0] = *(svr->buf + offset + s + 0); \
|
||||
dd[1] = *(svr->buf + offset + s + 1); \
|
||||
dd[2] = *(svr->buf + offset + s + 2); \
|
||||
dd[3] = *(svr->buf + offset + s + 3); \
|
||||
d = ntohl(d); \
|
||||
s += 4; \
|
||||
} \
|
||||
else if (md >= DLT_ADD16) \
|
||||
{ \
|
||||
dd[0] = *(svr->buf + offset + s + 0); \
|
||||
dd[1] = *(svr->buf + offset + s + 1); \
|
||||
d = ntohs(d); \
|
||||
s += 2; \
|
||||
} \
|
||||
else if (md >= DLT_ADD8) \
|
||||
{ \
|
||||
d = *(svr->buf + offset + s + 0); \
|
||||
s += 1; \
|
||||
} \
|
||||
msg._member = _ecore_ipc_ddlt_int(d, svr->prev.i._member, md);
|
||||
|
||||
static int
|
||||
_ecore_ipc_event_server_data(void *data, int ev_type, void *ev)
|
||||
{
|
||||
Ecore_Con_Event_Server_Data *e;
|
||||
|
||||
|
||||
e = ev;
|
||||
if (!_ecore_list_find(servers, ecore_con_server_data_get(e->server))) return 1;
|
||||
/* handling code here */
|
||||
{
|
||||
Ecore_Ipc_Server *svr;
|
||||
Ecore_Ipc_Msg_Head *msg;
|
||||
Ecore_Ipc_Server *svr;
|
||||
Ecore_Ipc_Msg_Head msg;
|
||||
int offset = 0;
|
||||
unsigned char *buf;
|
||||
|
||||
svr = ecore_con_server_data_get(e->server);
|
||||
|
||||
|
@ -650,86 +977,94 @@ _ecore_ipc_event_server_data(void *data, int ev_type, void *ev)
|
|||
svr->buf_size += e->size;
|
||||
}
|
||||
/* examine header */
|
||||
if (svr->buf_size >= sizeof(Ecore_Ipc_Msg_Head))
|
||||
redo:
|
||||
if ((svr->buf_size - offset) >= sizeof(int))
|
||||
{
|
||||
int major, minor, ref, ref_to, response, size;
|
||||
int offset = 0;
|
||||
|
||||
msg = (Ecore_Ipc_Msg_Head *)(svr->buf + offset);
|
||||
major = ntohl(msg->major);
|
||||
minor = ntohl(msg->minor);
|
||||
ref = ntohl(msg->ref);
|
||||
ref_to = ntohl(msg->ref_to);
|
||||
response = ntohl(msg->response);
|
||||
size = ntohl(msg->size);
|
||||
if (size < 0) size = 0;
|
||||
/* there is enough data in the buffer for a full message */
|
||||
if (svr->buf_size >= (sizeof(Ecore_Ipc_Msg_Head) + size))
|
||||
int s, md, d, head;
|
||||
unsigned char *dd;
|
||||
|
||||
dd = (unsigned char *)&head;
|
||||
dd[0] = *(svr->buf + offset + 0);
|
||||
dd[1] = *(svr->buf + offset + 1);
|
||||
dd[2] = *(svr->buf + offset + 2);
|
||||
dd[3] = *(svr->buf + offset + 3);
|
||||
head = ntohl(head);
|
||||
dd = (unsigned char *)&d;
|
||||
s = 4;
|
||||
SVSZ(0);
|
||||
SVSZ(1);
|
||||
SVSZ(2);
|
||||
SVSZ(3);
|
||||
SVSZ(4);
|
||||
SVSZ(5);
|
||||
if ((svr->buf_size - offset) < s)
|
||||
{
|
||||
if (offset > 0) goto scroll;
|
||||
return 0;
|
||||
}
|
||||
|
||||
s = 4;
|
||||
SVDEC(0, major);
|
||||
SVDEC(1, minor);
|
||||
SVDEC(2, ref);
|
||||
SVDEC(3, ref_to);
|
||||
SVDEC(4, response);
|
||||
SVDEC(5, size);
|
||||
if (msg.size < 0) msg.size = 0;
|
||||
/* there is enough data in the buffer for a full message */
|
||||
if ((svr->buf_size - offset) >= (s + msg.size))
|
||||
{
|
||||
unsigned char *buf;
|
||||
Ecore_Ipc_Event_Server_Data *e2;
|
||||
|
||||
redo:
|
||||
buf = NULL;
|
||||
if (size > 0)
|
||||
if (msg.size > 0)
|
||||
{
|
||||
buf = malloc(size);
|
||||
buf = malloc(msg.size);
|
||||
if (!buf) return 0;
|
||||
memcpy(buf, svr->buf + offset + sizeof(Ecore_Ipc_Msg_Head), size);
|
||||
memcpy(buf, svr->buf + offset + s, msg.size);
|
||||
}
|
||||
e2 = calloc(1, sizeof(Ecore_Ipc_Event_Server_Data));
|
||||
if (e2)
|
||||
{
|
||||
e2->server = svr;
|
||||
e2->major = major;
|
||||
e2->minor = minor;
|
||||
e2->ref = ref;
|
||||
e2->ref_to = ref_to;
|
||||
e2->response = response;
|
||||
e2->size = size;
|
||||
e2->major = msg.major;
|
||||
e2->minor = msg.minor;
|
||||
e2->ref = msg.ref;
|
||||
e2->ref_to = msg.ref_to;
|
||||
e2->response = msg.response;
|
||||
e2->size = msg.size;
|
||||
e2->data = buf;
|
||||
ecore_event_add(ECORE_IPC_EVENT_SERVER_DATA, e2,
|
||||
_ecore_ipc_event_server_data_free, NULL);
|
||||
}
|
||||
offset += (sizeof(Ecore_Ipc_Msg_Head) + size);
|
||||
if (svr->buf_size - offset >= sizeof(Ecore_Ipc_Msg_Head))
|
||||
{
|
||||
msg = (Ecore_Ipc_Msg_Head *)(svr->buf + offset);
|
||||
major = ntohl(msg->major);
|
||||
minor = ntohl(msg->minor);
|
||||
ref = ntohl(msg->ref);
|
||||
ref_to = ntohl(msg->ref_to);
|
||||
response = ntohl(msg->response);
|
||||
size = ntohl(msg->size);
|
||||
if (size < 0) size = 0;
|
||||
if (svr->buf_size - offset >= (sizeof(Ecore_Ipc_Msg_Head) + size))
|
||||
goto redo;
|
||||
}
|
||||
/* remove data from our buffer and "scoll" the rest down */
|
||||
size = svr->buf_size - offset;
|
||||
/* if amount left after scroll is > 0 */
|
||||
if (size > 0)
|
||||
{
|
||||
buf = malloc(size);
|
||||
if (!buf)
|
||||
{
|
||||
free(svr->buf);
|
||||
svr->buf = NULL;
|
||||
svr->buf_size = 0;
|
||||
return 0;
|
||||
}
|
||||
memcpy(buf, svr->buf + offset, size);
|
||||
free(svr->buf);
|
||||
svr->buf = buf;
|
||||
svr->buf_size = size;
|
||||
}
|
||||
else
|
||||
svr->prev.i = msg;
|
||||
offset += (s + msg.size);
|
||||
if (svr->buf_size == offset)
|
||||
{
|
||||
free(svr->buf);
|
||||
svr->buf = NULL;
|
||||
svr->buf_size = 0;
|
||||
return 0;
|
||||
}
|
||||
goto redo;
|
||||
}
|
||||
else goto scroll;
|
||||
}
|
||||
else
|
||||
{
|
||||
scroll:
|
||||
buf = malloc(svr->buf_size - offset);
|
||||
if (!buf)
|
||||
{
|
||||
free(svr->buf);
|
||||
svr->buf = NULL;
|
||||
svr->buf_size = 0;
|
||||
return 0;
|
||||
}
|
||||
memcpy(buf, svr->buf + offset, svr->buf_size - offset);
|
||||
free(svr->buf);
|
||||
svr->buf = buf;
|
||||
svr->buf_size -= offset;
|
||||
}
|
||||
}
|
||||
return 0;
|
||||
|
|
|
@ -6,7 +6,19 @@
|
|||
|
||||
typedef struct _Ecore_Ipc_Client Ecore_Ipc_Client;
|
||||
typedef struct _Ecore_Ipc_Server Ecore_Ipc_Server;
|
||||
|
||||
typedef struct _Ecore_Ipc_Msg_Head Ecore_Ipc_Msg_Head;
|
||||
|
||||
struct _Ecore_Ipc_Msg_Head
|
||||
{
|
||||
int head;
|
||||
int major;
|
||||
int minor;
|
||||
int ref;
|
||||
int ref_to;
|
||||
int response;
|
||||
int size;
|
||||
} __attribute__ ((packed));
|
||||
|
||||
struct _Ecore_Ipc_Client
|
||||
{
|
||||
Ecore_List __list_data;
|
||||
|
@ -15,6 +27,10 @@ struct _Ecore_Ipc_Client
|
|||
void *data;
|
||||
unsigned char *buf;
|
||||
int buf_size;
|
||||
|
||||
struct {
|
||||
Ecore_Ipc_Msg_Head i, o;
|
||||
} prev;
|
||||
};
|
||||
|
||||
struct _Ecore_Ipc_Server
|
||||
|
@ -26,6 +42,10 @@ struct _Ecore_Ipc_Server
|
|||
void *data;
|
||||
unsigned char *buf;
|
||||
int buf_size;
|
||||
|
||||
struct {
|
||||
Ecore_Ipc_Msg_Head i, o;
|
||||
} prev;
|
||||
};
|
||||
|
||||
#endif
|
||||
|
|
Loading…
Reference in New Issue