moved all files to the top-level

2022-10-02 19:30:14 +09:00
parent e03b9bd9a9
commit 384925992c
140 changed files with 0 additions and 0 deletions
--- a/lib/dhcp-svr.c
+++ b/lib/dhcp-svr.c
@@ -0,0 +1,153 @@
+/*
+    Copyright (c) 2016-2020 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 WARRANTIES
+    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 <hio-dhcp.h>
+#include <hio-sck.h>
+#include "hio-prv.h"
+
+struct hio_svc_dhcs_t
+{
+	HIO_SVC_HEADER;
+
+	hio_dev_sck_t* sck;
+};
+
+
+/*                         
+                   binding address         link address for relay.
+lo                 ip address of lo        unspec
+lo/::1,            [::1]:547               
+lo/[::1]:544       [::1]:544                           
+lo/[::1]:544/xxx   [::1]:544               xxx
+
+join multicast group??
+*/
+
+struct hio_svc_dhcs_cfg_t
+{
+	hio_skad_t bind_addr; /* if this is link local? */
+	hio_skad_t link_addr; /* want to use a different link address for relay? << if the peer address is link local, need to set this*/
+	const hio_bch_t* ifce_id; /* want to set Interface-ID? */
+};
+
+typedef struct hio_svc_dhcs_cfg_t hio_svc_dhcs_cfg_t;
+
+static hio_dev_sck_t* open_socket (hio_t* hio, hio_svc_dhcs_cfg_t* cfg)
+{
+	hio_dev_sck_make_t m;
+	hio_dev_sck_t* sck = HIO_NULL;
+	int f;
+
+	f = hio_skad_get_family(&cfg->bind_addr);
+	if (f != HIO_AF_INET && f != HIO_AF_INET6) 
+	{
+		hio_seterrbfmt (hio, HIO_EINVAL, "invalid bind address family");
+		goto oops;
+	}
+
+	HIO_MEMSET (&m, 0, HIO_SIZEOF(m));
+	m.type = (f == HIO_AF_INET? HIO_DEV_SCK_UDP4: HIO_DEV_SCK_UDP6);
+	//m.options = HIO_DEV_SCK_MAKE_LENIENT;
+	//m.on_write = 
+	//m.on_read = ...
+	//m.on_connect = ...
+	//m.on_disconnect = ...
+	sck = hio_dev_sck_make(hio, 0, &m);
+	if (HIO_UNLIKELY(!sck)) goto oops;
+
+/*
+	#if defined(IPV6_RECVPKTINFO)
+		hio_dev_sck_setsockopt (dhcs->sck, IPPROTO_IPV6, IPV6_RECVPKTINFO, &v);
+	#elif defined(IPV6_PKTINFO)
+		hio_dev_sck_setsockopt (dhcs->sck, IPPROTO_IPV6, IPV6_PKTINFO, &v);
+	#else
+	//#	error no ipv6 pktinfo
+	#endif
+*/
+
+{
+/* TODO: accept hio_dev_sck_bind_t instead of hio_skad_t? */
+	hio_dev_sck_bind_t b;
+	HIO_MEMSET (&b, 0, HIO_SIZEOF(b));
+	b.localaddr = cfg->bind_addr;
+	if (hio_dev_sck_bind(sck, &b) <= -1) goto oops;
+}
+
+{
+	hio_skad_t mcast_addr;
+	hio_bcstrtoskad(hio, "[ff02::1:2]:0", &mcast_addr);
+	if (hio_dev_sck_joinmcastgroup(sck, &mcast_addr, 2) <= -1) goto oops;
+}
+
+	return sck;
+
+oops:
+	if (sck) hio_dev_sck_kill (sck);
+	return HIO_NULL;
+}
+
+hio_svc_dhcs_t* hio_svc_dhcs_start (hio_t* hio, const hio_skad_t* local_binds, hio_oow_t local_nbinds)
+{
+	hio_svc_dhcs_t* dhcs;
+	union
+	{
+		hio_dev_sck_make_t m;
+		hio_dev_sck_listen_t l;
+	} info;
+	hio_oow_t i;
+	hio_dev_sck_t* sck;
+
+	dhcs = (hio_svc_dhcs_t*)hio_callocmem(hio, HIO_SIZEOF(*dhcs));
+	if (HIO_UNLIKELY(!dhcs)) goto oops;
+
+	dhcs->hio = hio;
+
+	for (i = 0; i < local_nbinds; i++)
+	{
+		hio_svc_dhcs_cfg_t cfg;
+
+		HIO_MEMSET (&cfg, 0, HIO_SIZEOF(cfg));
+		cfg.bind_addr = local_binds[i];
+
+		sck = open_socket(hio, &cfg);
+		if (HIO_UNLIKELY(!sck)) goto oops;
+/* TODO: remember this in dhcs... */
+	}
+
+	HIO_SVCL_APPEND_SVC (&hio->actsvc, (hio_svc_t*)dhcs);
+	return dhcs;
+
+oops:
+	if (dhcs)
+	{
+		if (sck) hio_dev_sck_kill (sck);
+/*TODO: 
+		for (i = 0; i < local_nbinds; i++) 
+		{
+			if (dhcs->sck[i]) hio_dev_sck_kill(dhcs->sck[i])
+		}*/
+		hio_freemem (hio, dhcs);
+	}
+	return HIO_NULL;
+}