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added skeleton to support arp

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This commit is contained in:
hyung-hwan 2016-03-23 13:54:15 +00:00
parent c5ac9c723b
commit e2b99ed2a3
10 changed files with 309 additions and 12 deletions
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4
stio/lib/Makefile.am
View File

@ -26,6 +26,7 @@ pkginclude_HEADERS = \
stio-sck.h \
stio-tcp.h \
stio-udp.h \
stio-arp.h \
stio.h
pkglib_LTLIBRARIES = libstio.la
@ -37,7 +38,8 @@ libstio_la_SOURCES = \
stio-tcp.c \
stio-tim.c \
stio-tmr.c \
stio-udp.c
stio-udp.c \
stio-arp.c
libstio_la_CPPFLAGS = $(CPPFLAGS_LIB_COMMON)
libstio_la_LDFLAGS = $(LDFLAGS_LIB_COMMON)
libstio_la_LIBADD = $(LIBADD_LIB_COMMON)

14
stio/lib/Makefile.in
View File

@ -132,7 +132,7 @@ libstio_la_DEPENDENCIES = $(am__DEPENDENCIES_2)
am_libstio_la_OBJECTS = libstio_la-stio.lo libstio_la-stio-pro.lo \
libstio_la-stio-sck.lo libstio_la-stio-tcp.lo \
libstio_la-stio-tim.lo libstio_la-stio-tmr.lo \
libstio_la-stio-udp.lo
libstio_la-stio-udp.lo libstio_la-stio-arp.lo
libstio_la_OBJECTS = $(am_libstio_la_OBJECTS)
AM_V_lt = $(am__v_lt_@AM_V@)
am__v_lt_ = $(am__v_lt_@AM_DEFAULT_V@)
@ -384,6 +384,7 @@ pkginclude_HEADERS = \
stio-sck.h \
stio-tcp.h \
stio-udp.h \
stio-arp.h \
stio.h
pkglib_LTLIBRARIES = libstio.la
@ -395,7 +396,8 @@ libstio_la_SOURCES = \
stio-tcp.c \
stio-tim.c \
stio-tmr.c \
stio-udp.c
stio-udp.c \
stio-arp.c
libstio_la_CPPFLAGS = $(CPPFLAGS_LIB_COMMON)
libstio_la_LDFLAGS = $(LDFLAGS_LIB_COMMON)
@ -552,6 +554,7 @@ mostlyclean-compile:
distclean-compile:
-rm -f *.tab.c
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libstio_la-stio-arp.Plo@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libstio_la-stio-pro.Plo@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libstio_la-stio-sck.Plo@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libstio_la-stio-tcp.Plo@am__quote@
@ -631,6 +634,13 @@ libstio_la-stio-udp.lo: stio-udp.c
@AMDEP_TRUE@@am__fastdepCC_FALSE@ DEPDIR=$(DEPDIR) $(CCDEPMODE) $(depcomp) @AMDEPBACKSLASH@
@am__fastdepCC_FALSE@ $(AM_V_CC@am__nodep@)$(LIBTOOL) $(AM_V_lt) --tag=CC $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) --mode=compile $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(libstio_la_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS) -c -o libstio_la-stio-udp.lo `test -f 'stio-udp.c' || echo '$(srcdir)/'`stio-udp.c
libstio_la-stio-arp.lo: stio-arp.c
@am__fastdepCC_TRUE@ $(AM_V_CC)$(LIBTOOL) $(AM_V_lt) --tag=CC $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) --mode=compile $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(libstio_la_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS) -MT libstio_la-stio-arp.lo -MD -MP -MF $(DEPDIR)/libstio_la-stio-arp.Tpo -c -o libstio_la-stio-arp.lo `test -f 'stio-arp.c' || echo '$(srcdir)/'`stio-arp.c
@am__fastdepCC_TRUE@ $(AM_V_at)$(am__mv) $(DEPDIR)/libstio_la-stio-arp.Tpo $(DEPDIR)/libstio_la-stio-arp.Plo
@AMDEP_TRUE@@am__fastdepCC_FALSE@ $(AM_V_CC)source='stio-arp.c' object='libstio_la-stio-arp.lo' libtool=yes @AMDEPBACKSLASH@
@AMDEP_TRUE@@am__fastdepCC_FALSE@ DEPDIR=$(DEPDIR) $(CCDEPMODE) $(depcomp) @AMDEPBACKSLASH@
@am__fastdepCC_FALSE@ $(AM_V_CC@am__nodep@)$(LIBTOOL) $(AM_V_lt) --tag=CC $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) --mode=compile $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(libstio_la_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS) -c -o libstio_la-stio-arp.lo `test -f 'stio-arp.c' || echo '$(srcdir)/'`stio-arp.c
stio-main.o: main.c
@am__fastdepCC_TRUE@ $(AM_V_CC)$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(stio_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS) -MT stio-main.o -MD -MP -MF $(DEPDIR)/stio-main.Tpo -c -o stio-main.o `test -f 'main.c' || echo '$(srcdir)/'`main.c
@am__fastdepCC_TRUE@ $(AM_V_at)$(am__mv) $(DEPDIR)/stio-main.Tpo $(DEPDIR)/stio-main.Po

34
stio/lib/main.c
View File

@ -28,6 +28,7 @@
#include <stio.h>
#include <stio-tcp.h>
#include <stio-udp.h>
#include <stio-arp.h>
#include <stdlib.h>
#include <string.h>
@ -37,6 +38,8 @@
#include <arpa/inet.h>
#include <signal.h>
/* ========================================================================= */
struct mmgr_stat_t
{
stio_size_t total_count;
@ -79,6 +82,8 @@ static stio_mmgr_t mmgr =
&mmgr_stat
};
/* ========================================================================= */
struct tcp_server_t
{
int tally;
@ -181,9 +186,24 @@ printf ("DISABLING READING..............................\n");
stio_dev_tcp_read (tcp, 0);
return 0;
/* return 1; let the main loop to read more greedily without consulint the multiplexer */
/* return 1; let the main loop to read more greedily without consulting the multiplexer */
}
/* ========================================================================= */
static int arp_on_read (stio_dev_arp_t* arp, const void* buf, stio_len_t len, stio_sckadr_t* )
{
return 0;
}
static int arp_on_write (stio_dev_arp_t* arp, stio_len_t wrlen, void* wrctx)
{
return 0;
}
/* ========================================================================= */
static stio_t* g_stio;
static void handle_signal (int sig)
@ -196,12 +216,14 @@ int main ()
stio_t* stio;
stio_dev_udp_t* udp;
stio_dev_arp_t* arp;
stio_dev_tcp_t* tcp[2];
struct sockaddr_in sin;
struct sigaction sigact;
stio_dev_tcp_connect_t tcp_conn;
stio_dev_tcp_listen_t tcp_lstn;
stio_dev_tcp_make_t tcp_make;
stio_dev_arp_make_t arp_make;
tcp_server_t* ts;
stio = stio_open (&mmgr, 0, 512, STIO_NULL);
@ -294,6 +316,16 @@ int main ()
}
memset (&arp_make, 0, STIO_SIZEOF(arp_make));
arp_make.on_write = arp_on_write;
arp_make.on_read = arp_on_read;
arp = stio_dev_arp_make (stio, 0, &arp_make);
if (!arp)
{
printf ("Cannot make arp\n");
goto oops;
}
stio_loop (stio);
g_stio = STIO_NULL;

181
stio/lib/stio-arp.c Normal file
View File

@ -0,0 +1,181 @@
/*
* $Id$
*
Copyright (c) 2015-2016 Chung, Hyung-Hwan. All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions
are met:
1. Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in the
documentation and/or other materials provided with the distribution.
THIS SOFTWARE IS PROVIDED BY THE AUTHOR "AS IS" AND ANY EXPRESS OR
IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WAfRRANTIES
OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "stio-arp.h"
#include "stio-prv.h"
#include <sys/socket.h>
#include <netinet/if_ether.h>
#include <netpacket/packet.h>
#include <arpa/inet.h>
#include <errno.h>
/* ======================================================================== */
static int arp_make (stio_dev_t* dev, void* ctx)
{
stio_dev_arp_t* arp = (stio_dev_arp_t*)dev;
stio_dev_arp_make_t* arg = (stio_dev_arp_make_t*)ctx;
arp->sck = stio_openasyncsck (dev->stio, PF_PACKET, SOCK_RAW, htons(ETH_P_ARP));
if (arp->sck == STIO_SCKHND_INVALID) goto oops;
arp->on_write = arg->on_write;
arp->on_read = arg->on_read;
return 0;
oops:
if (arp->sck != STIO_SCKHND_INVALID)
{
stio_closeasyncsck (arp->stio, arp->sck);
arp->sck = STIO_SCKHND_INVALID;
}
return -1;
}
static void arp_kill (stio_dev_t* dev)
{
stio_dev_arp_t* arp = (stio_dev_arp_t*)dev;
if (arp->sck != STIO_SCKHND_INVALID)
{
stio_closeasyncsck (arp->stio, arp->sck);
arp->sck = STIO_SCKHND_INVALID;
}
}
static stio_syshnd_t arp_getsyshnd (stio_dev_t* dev)
{
stio_dev_arp_t* arp = (stio_dev_arp_t*)dev;
return (stio_syshnd_t)arp->sck;
}
static int arp_read (stio_dev_t* dev, void* buf, stio_len_t* len)
{
stio_dev_arp_t* arp = (stio_dev_arp_t*)dev;
stio_scklen_t addrlen;
int x;
struct sockaddr_ll from;
/* TODO: arp_read need source address ... have to extend the send callback to accept the source address */
printf ("ARP RECVFROM...\n");
addrlen = STIO_SIZEOF(from);
x = recvfrom (arp->sck, buf, *len, 0, (struct sockaddr*)&from, &addrlen);
if (x <= -1)
{
if (errno == EINPROGRESS || errno == EWOULDBLOCK) return 0; /* no data available */
if (errno == EINTR) return 0;
arp->stio->errnum = stio_syserrtoerrnum(errno);
return -1;
}
*len = x;
return 1;
}
static int arp_write (stio_dev_t* dev, const void* data, stio_len_t* len)
{
stio_dev_arp_t* arp = (stio_dev_arp_t*)arp;
ssize_t x;
#if 0
/* TODO: arp_write need target address ... have to extend the send callback to accept the target address */
x = sendto (arp->sck, data, *len, skad, stio_getskadlen(skad));
if (x <= -1)
{
if (errno == EINPROGRESS || errno == EWOULDBLOCK) return 0; /* no data can be written */
if (errno == EINTR) return 0;
arp->stio->errnum = stio_syserrtoerrnum(errno);
return -1;
}
/* for UDP, if the data chunk can't be written at one go, it's actually a failure */
if (x != *len) return -1; /* TODO: can i hava an indicator for this in stio? */
*len = x;
#endif
return 1;
}
static int arp_ioctl (stio_dev_t* dev, int cmd, void* arg)
{
return 0;
}
static stio_dev_mth_t arp_mth =
{
arp_make,
arp_kill,
arp_getsyshnd,
arp_read,
arp_write,
arp_ioctl, /* ioctl */
};
/* ======================================================================== */
static int arp_ready (stio_dev_t* dev, int events)
{
/* TODO: ... */
if (events & STIO_DEV_EVENT_ERR) printf ("UDP READY ERROR.....\n");
if (events & STIO_DEV_EVENT_HUP) printf ("UDP READY HANGUP.....\n");
if (events & STIO_DEV_EVENT_PRI) printf ("UDP READY PRI.....\n");
if (events & STIO_DEV_EVENT_IN) printf ("UDP READY IN.....\n");
if (events & STIO_DEV_EVENT_OUT) printf ("UDP READY OUT.....\n");
return 0;
}
static int arp_on_read (stio_dev_t* dev, const void* data, stio_len_t len)
{
printf ("dATA received %d bytes\n", (int)len);
return 0;
}
static int arp_on_write (stio_dev_t* dev, stio_len_t wrlen, void* wrctx)
{
return 0;
}
static stio_dev_evcb_t arp_evcb =
{
arp_ready,
arp_on_read,
arp_on_write
};
/* ======================================================================== */
stio_dev_arp_t* stio_dev_arp_make (stio_t* stio, stio_size_t xtnsize, const stio_dev_arp_make_t* data)
{
return (stio_dev_arp_t*)stio_makedev (stio, STIO_SIZEOF(stio_dev_arp_t) + xtnsize, &arp_mth, &arp_evcb, (void*)data);
}

69
stio/lib/stio-arp.h Normal file
View File

@ -0,0 +1,69 @@
/*
* $Id$
*
Copyright (c) 2015-2016 Chung, Hyung-Hwan. All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions
are met:
1. Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in the
documentation and/or other materials provided with the distribution.
THIS SOFTWARE IS PROVIDED BY THE AUTHOR "AS IS" AND ANY EXPRESS OR
IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WAfRRANTIES
OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef _STIO_ARP_H_
#define _STIO_ARP_H_
#include <stio.h>
#include <stio-sck.h>
typedef struct stio_dev_arp_t stio_dev_arp_t;
typedef int (*stio_dev_arp_on_read_t) (stio_dev_arp_t* dev, const void* data, stio_len_t len);
typedef int (*stio_dev_arp_on_write_t) (stio_dev_arp_t* dev, void* wrctx);
typedef struct stio_dev_arp_make_t stio_dev_arp_make_t;
struct stio_dev_arp_make_t
{
stio_dev_arp_on_write_t on_write;
stio_dev_arp_on_read_t on_read;
};
struct stio_dev_arp_t
{
STIO_DEV_HEADERS;
stio_sckhnd_t sck;
stio_dev_arp_on_write_t on_write;
stio_dev_arp_on_read_t on_read;
};
#ifdef __cplusplus
extern "C" {
#endif
STIO_EXPORT stio_dev_arp_t* stio_dev_arp_make (
stio_t* stio,
stio_size_t xtnsize,
const stio_dev_arp_make_t* data
);
#ifdef __cplusplus
extern "C" {
#endif
#endif

10
stio/lib/stio-sck.c
View File

@ -57,22 +57,22 @@ int stio_makesckasync (stio_t* stio, stio_sckhnd_t sck)
return stio_makesyshndasync (stio, (stio_syshnd_t)sck);
}
stio_sckhnd_t stio_openasyncsck (stio_t* stio, int domain, int type)
stio_sckhnd_t stio_openasyncsck (stio_t* stio, int domain, int type, int proto)
{
stio_sckhnd_t sck;
#if defined(_WIN32)
sck = WSASocket (domain, type, 0, NULL, 0, WSA_FLAG_OVERLAPPED /*| WSA_FLAG_NO_HANDLE_INHERIT*/);
sck = WSASocket (domain, type, proto, NULL, 0, WSA_FLAG_OVERLAPPED /*| WSA_FLAG_NO_HANDLE_INHERIT*/);
if (sck == STIO_SCKHND_INVALID)
{
/* stio_seterrnum (dev->stio, STIO_ESYSERR); or translate errno to stio errnum */
return STIO_SCKHND_INVALID;
}
#else
sck = socket (domain, type, 0); /* NO CLOEXEC or somethign */
sck = socket (domain, type, proto);
if (sck == STIO_SCKHND_INVALID)
{
/* stio_seterrnum (dev->stio, STIO_ESYSERR); or translate errno to stio errnum */
stio->errnum = stio_syserrtoerrnum(errno);
return STIO_SCKHND_INVALID;
}
@ -81,6 +81,8 @@ stio_sckhnd_t stio_openasyncsck (stio_t* stio, int domain, int type)
close (sck);
return STIO_SCKHND_INVALID;
}
/* TODO: set CLOEXEC if it's defined */
#endif
return sck;

3
stio/lib/stio-sck.h
View File

@ -80,7 +80,8 @@ extern "C" {
STIO_EXPORT stio_sckhnd_t stio_openasyncsck (
stio_t* stio,
int domain,
int type
int type,
int proto
);
STIO_EXPORT void stio_closeasyncsck (

2
stio/lib/stio-tcp.c
View File

@ -44,7 +44,7 @@ static int tcp_make (stio_dev_t* dev, void* ctx)
if (stio_getsckadrinfo(dev->stio, &arg->addr, &len, &family) <= -1) return -1;
tcp->sck = stio_openasyncsck (dev->stio, family, SOCK_STREAM);
tcp->sck = stio_openasyncsck (dev->stio, family, SOCK_STREAM, 0);
if (tcp->sck == STIO_SCKHND_INVALID) goto oops;
/* TODO:

2
stio/lib/stio-tmr.c
View File

@ -94,7 +94,7 @@ static stio_tmridx_t sift_down (stio_t* stio, stio_tmridx_t index, int notify)
{
stio_size_t base = stio->tmr.size / 2;
if (index < base) /* at least 1 child is under the 'index' positmrn */
if (index < base) /* at least 1 child is under the 'index' position */
{
stio_tmrjob_t item;
#if defined(STIO_USE_TMRJOB_IDXPTR)

2
stio/lib/stio-udp.c
View File

@ -43,7 +43,7 @@ static int udp_make (stio_dev_t* dev, void* ctx)
if (stio_getsckadrinfo(dev->stio, &arg->addr, &len, &family) <= -1) return -1;
udp->sck = stio_openasyncsck (dev->stio, family, SOCK_DGRAM);
udp->sck = stio_openasyncsck (dev->stio, family, SOCK_DGRAM, 0);
if (udp->sck == STIO_SCKHND_INVALID) goto oops;
/* some socket options? */