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enhanced stio_dev_sck_to support a stream operations

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This commit is contained in:
hyung-hwan 2016-03-30 07:06:54 +00:00
parent 46d7bc216a
commit f0320a2ab7
11 changed files with 674 additions and 144 deletions
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38
stio/lib/main.c
View File

@ -97,23 +97,23 @@ static void tcp_on_disconnect (stio_dev_tcp_t* tcp)
{
if (tcp->state & STIO_DEV_TCP_CONNECTING)
{
printf ("TCP DISCONNECTED - FAILED TO CONNECT (%d) TO REMOTE SERVER\n", tcp->sck);
printf ("TCP DISCONNECTED - FAILED TO CONNECT (%d) TO REMOTE SERVER\n", (int)tcp->sck);
}
else if (tcp->state & STIO_DEV_TCP_LISTENING)
{
printf ("SHUTTING DOWN THE SERVER SOCKET(%d)...\n", tcp->sck);
printf ("SHUTTING DOWN THE SERVER SOCKET(%d)...\n", (int)tcp->sck);
}
else if (tcp->state & STIO_DEV_TCP_CONNECTED)
{
printf ("CLIENT ORIGINATING FROM HERE GOT DISCONNECTED(%d).......\n", tcp->sck);
printf ("CLIENT ORIGINATING FROM HERE GOT DISCONNECTED(%d).......\n", (int)tcp->sck);
}
else if (tcp->state & STIO_DEV_TCP_ACCEPTED)
{
printf ("CLIENT BEING SERVED GOT DISCONNECTED(%d).......\n", tcp->sck);
printf ("CLIENT BEING SERVED GOT DISCONNECTED(%d).......\n", (int)tcp->sck);
}
else
{
printf ("TCP DISCONNECTED - THIS MUST NOT HAPPEN (%d)\n", tcp->sck);
printf ("TCP DISCONNECTED - THIS MUST NOT HAPPEN (%d - %x)\n", (int)tcp->sck, (unsigned int)tcp->state);
}
}
static int tcp_on_connect (stio_dev_tcp_t* tcp)
@ -143,8 +143,6 @@ printf ("SEDING TIMED OUT...........\n");
}
else
{
ts = (tcp_server_t*)(tcp + 1);
printf (">>> SENT MESSAGE %d of length %ld\n", ts->tally, (long int)wrlen);
@ -194,12 +192,23 @@ printf ("DISABLING READING..............................\n");
/* ========================================================================= */
static int sck_on_read (stio_dev_sck_t* dev, const void* buf, stio_len_t len, const stio_sckadr_t* srcadr)
static int arp_sck_on_read (stio_dev_sck_t* dev, const void* data, stio_len_t dlen, const stio_adr_t* srcadr)
{
stio_etharp_pkt_t* eap;
if (dlen < STIO_SIZEOF(*eap)) return 0; /* drop */
eap = (stio_etharp_pkt_t*)data;
printf ("ARP OPCODE: %d", ntohs(eap->arphdr.opcode));
printf (" SHA: %02X:%02X:%02X:%02X:%02X:%02X", eap->arppld.sha[0], eap->arppld.sha[1], eap->arppld.sha[2], eap->arppld.sha[3], eap->arppld.sha[4], eap->arppld.sha[5]);
printf (" SPA: %d.%d.%d.%d", eap->arppld.spa[0], eap->arppld.spa[1], eap->arppld.spa[2], eap->arppld.spa[3]);
printf (" THA: %02X:%02X:%02X:%02X:%02X:%02X", eap->arppld.tha[0], eap->arppld.tha[1], eap->arppld.tha[2], eap->arppld.tha[3], eap->arppld.tha[4], eap->arppld.tha[5]);
printf (" TPA: %d.%d.%d.%d", eap->arppld.tpa[0], eap->arppld.tpa[1], eap->arppld.tpa[2], eap->arppld.tpa[3]);
printf ("\n");
return 0;
}
static int sck_on_write (stio_dev_sck_t* dev, stio_len_t wrlen, void* wrctx)
static int arp_sck_on_write (stio_dev_sck_t* dev, stio_len_t wrlen, void* wrctx)
{
return 0;
}
@ -322,8 +331,8 @@ int main ()
memset (&sck_make, 0, STIO_SIZEOF(sck_make));
sck_make.type = STIO_DEV_SCK_ARP;
//sck_make.type = STIO_DEV_SCK_ARP_DGRAM;
sck_make.on_write = sck_on_write;
sck_make.on_read = sck_on_read;
sck_make.on_write = arp_sck_on_write;
sck_make.on_read = arp_sck_on_read;
sck = stio_dev_sck_make (stio, 0, &sck_make);
if (!sck)
{
@ -341,16 +350,15 @@ int main ()
adr.ptr = &sll;
adr.len = sizeof(sll);
sll.sll_family = AF_PACKET;
//sll.sll_protocol = STIO_CONST_HTON16(0x0003); /* P_ALL */
sll.sll_protocol = STIO_CONST_HTON16(STIO_ETHHDR_PROTO_ARP);
sll.sll_hatype = STIO_CONST_HTON16(STIO_ARPHDR_HTYPE_ETH);
// sll.sll_protocol = STIO_CONST_HTON16(STIO_ETHHDR_PROTO_ARP);
// sll.sll_hatype = STIO_CONST_HTON16(STIO_ARPHDR_HTYPE_ETH);
sll.sll_halen = STIO_ETHADR_LEN;
memcpy (sll.sll_addr, "\xFF\xFF\xFF\xFF\xFF\xFF", sll.sll_halen);
sll.sll_ifindex = if_nametoindex ("enp0s25.3");
/* if unicast ... */
//sll.sll_pkttype = PACKET_OTHERHOST;
sll.sll_pkttype = PACKET_BROADCAST;
// sll.sll_pkttype = PACKET_BROADCAST;
memset (&etharp, 0, sizeof(etharp));

1
stio/lib/stio-arp.c
View File

@ -158,7 +158,6 @@ 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)

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

@ -30,7 +30,6 @@
#include <stio.h>
#include <stio-sck.h>
typedef struct stio_dev_arp_t stio_dev_arp_t;
#define STIO_ETHHDR_PROTO_IP4 0x0800
#define STIO_ETHHDR_PROTO_ARP 0x0806
@ -80,8 +79,8 @@ struct stio_etharp_pkt_t
stio_etharp_t arppld;
};
typedef struct stio_etharp_pkt_t stio_etharp_pkt_t;
#pragma pack(pop)
#pragma pack(pop)
#if 0
typedef int (*stio_dev_arp_on_read_t) (stio_dev_arp_t* dev, stio_pkt_arp_t* pkt, stio_len_t len);

6
stio/lib/stio-prv.h
View File

@ -42,18 +42,12 @@
#define STIO_ASSERT assert
#define STIO_USE_TMRJOB_IDXPTR
struct stio_tmrjob_t
{
void* ctx;
stio_ntime_t when;
stio_tmrjob_handler_t handler;
#if defined(STIO_USE_TMRJOB_IDXPTR)
stio_tmridx_t* idxptr; /* pointer to the index holder */
#else
stio_tmrjob_updater_t updater;
#endif
};
#define STIO_TMRIDX_INVALID ((stio_tmridx_t)-1)

557
stio/lib/stio-sck.c
View File

@ -111,40 +111,66 @@ int stio_getsckadrinfo (stio_t* stio, const stio_sckadr_t* addr, stio_scklen_t*
/* ========================================================================= */
#define IS_STATEFUL(sck) ((sck)->dev_capa & STIO_DEV_CAPA_STREAM)
struct sck_type_map_t
{
int domain;
int type;
int proto;
} sck_type_map[] =
{
{ AF_INET, SOCK_STREAM, 0 },
{ AF_INET6, SOCK_STREAM, 0 },
{ AF_INET, SOCK_DGRAM, 0 },
{ AF_INET6, SOCK_DGRAM, 0 },
{ AF_PACKET, SOCK_RAW, STIO_CONST_HTON16(0x0806) },
{ AF_PACKET, SOCK_DGRAM, STIO_CONST_HTON16(0x0806) }
int extra_dev_capa;
int sck_capa;
};
static struct sck_type_map_t sck_type_map[] =
{
{ AF_INET, SOCK_STREAM, 0, STIO_DEV_CAPA_STREAM | STIO_DEV_CAPA_OUT_QUEUED },
{ AF_INET6, SOCK_STREAM, 0, STIO_DEV_CAPA_STREAM | STIO_DEV_CAPA_OUT_QUEUED },
{ AF_INET, SOCK_DGRAM, 0, 0 },
{ AF_INET6, SOCK_DGRAM, 0, 0 },
{ AF_PACKET, SOCK_RAW, STIO_CONST_HTON16(0x0806), 0 },
{ AF_PACKET, SOCK_DGRAM, STIO_CONST_HTON16(0x0806), 0 }
};
/* ======================================================================== */
static void tmr_connect_handle (stio_t* stio, const stio_ntime_t* now, stio_tmrjob_t* job)
{
stio_dev_sck_t* rdev = (stio_dev_sck_t*)job->ctx;
STIO_ASSERT (IS_STATEFUL(rdev));
if (rdev->state & STIO_DEV_SCK_CONNECTING)
{
/* the state check for STIO_DEV_TCP_CONNECTING is actually redundant
* as it must not be fired after it gets connected. the timer job
* doesn't need to be deleted when it gets connected for this check
* here. this libarary, however, deletes the job when it gets
* connected. */
stio_dev_sck_halt (rdev);
}
}
/* ======================================================================== */
static int dev_sck_make (stio_dev_t* dev, void* ctx)
{
stio_dev_sck_t* rdev = (stio_dev_sck_t*)dev;
stio_dev_sck_make_t* arg = (stio_dev_sck_make_t*)ctx;
if (arg->type < 0 && arg->type >= STIO_COUNTOF(sck_type_map))
{
dev->stio->errnum = STIO_EINVAL;
return -1;
}
STIO_ASSERT (arg->type >= 0 && arg->type < STIO_COUNTOF(sck_type_map));
rdev->sck = stio_openasyncsck (dev->stio, sck_type_map[arg->type].domain, sck_type_map[arg->type].type, sck_type_map[arg->type].proto);
if (rdev->sck == STIO_SCKHND_INVALID) goto oops;
rdev->dev_capa = STIO_DEV_CAPA_IN | STIO_DEV_CAPA_OUT;
rdev->dev_capa = STIO_DEV_CAPA_IN | STIO_DEV_CAPA_OUT | sck_type_map[arg->type].extra_dev_capa;
rdev->on_write = arg->on_write;
rdev->on_read = arg->on_read;
rdev->type = arg->type;
rdev->tmridx_connect = STIO_TMRIDX_INVALID;
return 0;
oops:
@ -156,9 +182,40 @@ oops:
return -1;
}
static int dev_sck_make_client (stio_dev_t* dev, void* ctx)
{
stio_dev_sck_t* rdev = (stio_dev_sck_t*)dev;
stio_syshnd_t* sck = (stio_syshnd_t*)ctx;
rdev->sck = *sck;
if (stio_makesckasync (rdev->stio, rdev->sck) <= -1) return -1;
return 0;
}
static void dev_sck_kill (stio_dev_t* dev)
{
stio_dev_sck_t* rdev = (stio_dev_sck_t*)dev;
if (IS_STATEFUL(rdev))
{
if (rdev->state & (STIO_DEV_SCK_ACCEPTED | STIO_DEV_SCK_CONNECTED | STIO_DEV_SCK_CONNECTING | STIO_DEV_SCK_LISTENING))
{
if (rdev->on_disconnect) rdev->on_disconnect (rdev);
}
if (rdev->tmridx_connect != STIO_TMRIDX_INVALID)
{
stio_deltmrjob (dev->stio, rdev->tmridx_connect);
STIO_ASSERT (rdev->tmridx_connect == STIO_TMRIDX_INVALID);
}
}
else
{
STIO_ASSERT (rdev->state == 0);
STIO_ASSERT (rdev->tmridx_connect == STIO_TMRIDX_INVALID);
}
if (rdev->sck != STIO_SCKHND_INVALID)
{
stio_closeasyncsck (rdev->stio, rdev->sck);
@ -172,11 +229,29 @@ static stio_syshnd_t dev_sck_getsyshnd (stio_dev_t* dev)
return (stio_syshnd_t)rdev->sck;
}
static int dev_sck_read (stio_dev_t* dev, void* buf, stio_len_t* len, stio_adr_t* srcadr)
static int dev_sck_read_stateful (stio_dev_t* dev, void* buf, stio_len_t* len, stio_adr_t* srcadr)
{
stio_dev_sck_t* tcp = (stio_dev_sck_t*)dev;
ssize_t x;
x = recv (tcp->sck, buf, *len, 0);
if (x == -1)
{
if (errno == EINPROGRESS || errno == EWOULDBLOCK) return 0; /* no data available */
if (errno == EINTR) return 0;
tcp->stio->errnum = stio_syserrtoerrnum(errno);
return -1;
}
*len = x;
return 1;
}
static int dev_sck_read_stateless (stio_dev_t* dev, void* buf, stio_len_t* len, stio_adr_t* srcadr)
{
stio_dev_sck_t* rdev = (stio_dev_sck_t*)dev;
stio_scklen_t srcadrlen;
int x;
ssize_t x;
srcadrlen = srcadr->len;
x = recvfrom (rdev->sck, buf, *len, 0, srcadr->ptr, &srcadrlen);
@ -193,7 +268,44 @@ static int dev_sck_read (stio_dev_t* dev, void* buf, stio_len_t* len, stio_adr_t
return 1;
}
static int dev_sck_write (stio_dev_t* dev, const void* data, stio_len_t* len, const stio_adr_t* dstadr)
static int dev_sck_write_stateful (stio_dev_t* dev, const void* data, stio_len_t* len, const stio_adr_t* dstadr)
{
stio_dev_sck_t* rdev = (stio_dev_sck_t*)dev;
ssize_t x;
int flags = 0;
if (*len <= 0)
{
/* it's a writing finish indicator. close the writing end of
* the socket, probably leaving it in the half-closed state */
if (shutdown (rdev->sck, SHUT_WR) == -1)
{
rdev->stio->errnum = stio_syserrtoerrnum(errno);
return -1;
}
return 1;
}
/* TODO: flags MSG_DONTROUTE, MSG_DONTWAIT, MSG_MORE, MSG_OOB, MSG_NOSIGNAL */
#if defined(MSG_NOSIGNAL)
flags |= MSG_NOSIGNAL;
#endif
x = send (rdev->sck, data, *len, flags);
if (x == -1)
{
if (errno == EINPROGRESS || errno == EWOULDBLOCK) return 0; /* no data can be written */
if (errno == EINTR) return 0;
rdev->stio->errnum = stio_syserrtoerrnum(errno);
return -1;
}
*len = x;
return 1;
}
static int dev_sck_write_stateless (stio_dev_t* dev, const void* data, stio_len_t* len, const stio_adr_t* dstadr)
{
stio_dev_sck_t* rdev = (stio_dev_sck_t*)dev;
ssize_t x;
@ -211,64 +323,427 @@ static int dev_sck_write (stio_dev_t* dev, const void* data, stio_len_t* len, co
return 1;
}
static int dev_sck_ioctl (stio_dev_t* dev, int cmd, void* arg)
{
stio_dev_sck_t* rdev = (stio_dev_sck_t*)dev;
switch (cmd)
{
case STIO_DEV_SCK_BIND:
{
stio_dev_sck_bind_t* bnd = (stio_dev_sck_bind_t*)arg;
struct sockaddr* sa = (struct sockaddr*)&bnd->addr;
stio_scklen_t sl;
stio_sckfam_t fam;
int x;
if (stio_getsckadrinfo (dev->stio, &bnd->addr, &sl, &fam) <= -1) return -1;
/* the socket is already non-blocking */
x = bind (rdev->sck, sa, sl);
if (x == -1)
{
rdev->stio->errnum = stio_syserrtoerrnum(errno);
return -1;
}
return 0;
}
case STIO_DEV_SCK_CONNECT:
{
stio_dev_sck_connect_t* conn = (stio_dev_sck_connect_t*)arg;
struct sockaddr* sa = (struct sockaddr*)&conn->addr;
stio_scklen_t sl;
int x;
if (!IS_STATEFUL(rdev))
{
dev->stio->errnum = STIO_ENOCAPA;
return -1;
}
if (sa->sa_family == AF_INET) sl = STIO_SIZEOF(struct sockaddr_in);
else if (sa->sa_family == AF_INET6) sl = STIO_SIZEOF(struct sockaddr_in6);
else
{
dev->stio->errnum = STIO_EINVAL;
return -1;
}
/* the socket is already non-blocking */
x = connect (rdev->sck, sa, sl);
if (x == -1)
{
if (errno == EINPROGRESS || errno == EWOULDBLOCK)
{
if (stio_dev_watch ((stio_dev_t*)rdev, STIO_DEV_WATCH_UPDATE, STIO_DEV_EVENT_IN | STIO_DEV_EVENT_OUT) >= 0)
{
stio_tmrjob_t tmrjob;
if (!stio_isnegtime(&conn->tmout))
{
STIO_MEMSET (&tmrjob, 0, STIO_SIZEOF(tmrjob));
tmrjob.ctx = rdev;
stio_gettime (&tmrjob.when);
stio_addtime (&tmrjob.when, &conn->tmout, &tmrjob.when);
tmrjob.handler = tmr_connect_handle;
tmrjob.idxptr = &rdev->tmridx_connect;
STIO_ASSERT (rdev->tmridx_connect == STIO_TMRIDX_INVALID);
rdev->tmridx_connect = stio_instmrjob (rdev->stio, &tmrjob);
if (rdev->tmridx_connect == STIO_TMRIDX_INVALID)
{
stio_dev_watch ((stio_dev_t*)rdev, STIO_DEV_WATCH_UPDATE, STIO_DEV_EVENT_IN);
/* event manipulation failure can't be handled properly. so ignore it.
* anyway, it's already in a failure condition */
return -1;
}
}
rdev->state |= STIO_DEV_SCK_CONNECTING;
rdev->peer = conn->addr;
rdev->on_connect = conn->on_connect;
rdev->on_disconnect = conn->on_disconnect;
return 0;
}
}
rdev->stio->errnum = stio_syserrtoerrnum(errno);
return -1;
}
/* connected immediately */
rdev->state |= STIO_DEV_SCK_CONNECTED;
rdev->peer = conn->addr;
rdev->on_connect = conn->on_connect;
rdev->on_disconnect = conn->on_disconnect;
return 0;
}
case STIO_DEV_SCK_LISTEN:
{
stio_dev_sck_listen_t* lstn = (stio_dev_sck_listen_t*)arg;
int x;
if (!IS_STATEFUL(rdev))
{
dev->stio->errnum = STIO_ENOCAPA;
return -1;
}
x = listen (rdev->sck, lstn->backlogs);
if (x == -1)
{
rdev->stio->errnum = stio_syserrtoerrnum(errno);
return -1;
}
rdev->state |= STIO_DEV_SCK_LISTENING;
rdev->on_connect = lstn->on_connect;
rdev->on_disconnect = lstn->on_disconnect;
return 0;
}
}
return 0;
}
static stio_dev_mth_t dev_mth_sck =
static stio_dev_mth_t dev_mth_sck_stateless =
{
dev_sck_make,
dev_sck_kill,
dev_sck_getsyshnd,
dev_sck_read,
dev_sck_write,
dev_sck_read_stateless,
dev_sck_write_stateless,
dev_sck_ioctl, /* ioctl */
};
static stio_dev_mth_t dev_mth_sck_stateful =
{
dev_sck_make,
dev_sck_kill,
dev_sck_getsyshnd,
dev_sck_read_stateful,
dev_sck_write_stateful,
dev_sck_ioctl, /* ioctl */
};
static stio_dev_mth_t dev_mth_clisck =
{
dev_sck_make_client,
dev_sck_kill,
dev_sck_getsyshnd,
dev_sck_read_stateful,
dev_sck_write_stateful,
dev_sck_ioctl
};
/* ========================================================================= */
static int dev_evcb_sck_ready (stio_dev_t* dev, int events)
static int dev_evcb_sck_ready_stateful (stio_dev_t* dev, int events)
{
/* TODO: ... */
if (events & STIO_DEV_EVENT_ERR) printf ("SCK READY ERROR.....\n");
if (events & STIO_DEV_EVENT_HUP) printf ("SCK READY HANGUP.....\n");
if (events & STIO_DEV_EVENT_PRI) printf ("SCK READY PRI.....\n");
if (events & STIO_DEV_EVENT_IN) printf ("SCK READY IN.....\n");
if (events & STIO_DEV_EVENT_OUT) printf ("SCK READY OUT.....\n");
stio_dev_sck_t* rdev = (stio_dev_sck_t*)dev;
if (events & STIO_DEV_EVENT_ERR)
{
int errcode;
stio_scklen_t len;
len = STIO_SIZEOF(errcode);
if (getsockopt (rdev->sck, SOL_SOCKET, SO_ERROR, (char*)&errcode, &len) == -1)
{
/* the error number is set to the socket error code.
* errno resulting from getsockopt() doesn't reflect the actual
* socket error. so errno is not used to set the error number.
* instead, the generic device error STIO_EDEVERRR is used */
rdev->stio->errnum = STIO_EDEVERR;
}
else
{
rdev->stio->errnum = stio_syserrtoerrnum (errcode);
}
return -1;
}
/* this socket can connect */
if (rdev->state & STIO_DEV_SCK_CONNECTING)
{
if (events & STIO_DEV_EVENT_HUP)
{
/* device hang-up */
rdev->stio->errnum = STIO_EDEVHUP;
return -1;
}
else if (events & (STIO_DEV_EVENT_PRI | STIO_DEV_EVENT_IN))
{
/* invalid event masks. generic device error */
rdev->stio->errnum = STIO_EDEVERR;
return -1;
}
else if (events & STIO_DEV_EVENT_OUT)
{
int errcode;
stio_scklen_t len;
STIO_ASSERT (!(rdev->state & STIO_DEV_SCK_CONNECTED));
len = STIO_SIZEOF(errcode);
if (getsockopt (rdev->sck, SOL_SOCKET, SO_ERROR, (char*)&errcode, &len) == -1)
{
rdev->stio->errnum = stio_syserrtoerrnum(errno);
return -1;
}
else if (errcode == 0)
{
rdev->state &= ~STIO_DEV_SCK_CONNECTING;
rdev->state |= STIO_DEV_SCK_CONNECTED;
if (stio_dev_watch ((stio_dev_t*)rdev, STIO_DEV_WATCH_RENEW, 0) <= -1) return -1;
if (rdev->tmridx_connect != STIO_TMRIDX_INVALID)
{
stio_deltmrjob (rdev->stio, rdev->tmridx_connect);
STIO_ASSERT (rdev->tmridx_connect == STIO_TMRIDX_INVALID);
}
if (rdev->on_connect (rdev) <= -1)
{
printf ("ON_CONNECTE HANDLER RETURNEF FAILURE...\n");
return -1;
}
}
else if (errcode == EINPROGRESS || errcode == EWOULDBLOCK)
{
/* still in progress */
}
else
{
rdev->stio->errnum = stio_syserrtoerrnum(errcode);
return -1;
}
}
return 0; /* success but don't invoke on_read() */
}
else if (rdev->state & STIO_DEV_SCK_LISTENING)
{
if (events & STIO_DEV_EVENT_HUP)
{
/* device hang-up */
rdev->stio->errnum = STIO_EDEVHUP;
return -1;
}
else if (events & (STIO_DEV_EVENT_PRI | STIO_DEV_EVENT_OUT))
{
rdev->stio->errnum = STIO_EDEVERR;
return -1;
}
else if (events & STIO_DEV_EVENT_IN)
{
stio_sckhnd_t clisck;
stio_sckadr_t peer;
stio_scklen_t addrlen;
stio_dev_sck_t* clidev;
/* this is a server(lisening) socket */
addrlen = STIO_SIZEOF(peer);
clisck = accept (rdev->sck, (struct sockaddr*)&peer, &addrlen);
if (clisck == STIO_SCKHND_INVALID)
{
if (errno == EINPROGRESS || errno == EWOULDBLOCK) return 0;
if (errno == EINTR) return 0; /* if interrupted by a signal, treat it as if it's EINPROGRESS */
rdev->stio->errnum = stio_syserrtoerrnum(errno);
return -1;
}
/* use rdev->dev_size when instantiating a client sck device
* instead of STIO_SIZEOF(stio_dev_sck_t). therefore, the
* extension area as big as that of the master sck device
* is created in the client sck device */
clidev = (stio_dev_sck_t*)stio_makedev (rdev->stio, rdev->dev_size, &dev_mth_clisck, rdev->dev_evcb, &clisck);
if (!clidev)
{
close (clisck);
return -1;
}
clidev->dev_capa |= STIO_DEV_CAPA_IN | STIO_DEV_CAPA_OUT | STIO_DEV_CAPA_STREAM;
clidev->state |= STIO_DEV_SCK_ACCEPTED;
clidev->peer = peer;
/*clidev->parent = sck;*/
/* inherit some event handlers from the parent.
* you can still change them inside the on_connect handler */
clidev->on_connect = rdev->on_connect;
clidev->on_disconnect = rdev->on_disconnect;
clidev->on_write = rdev->on_write;
clidev->on_read = rdev->on_read;
clidev->tmridx_connect = STIO_TMRIDX_INVALID;
if (clidev->on_connect(clidev) <= -1) stio_dev_sck_halt (clidev);
return 0; /* success but don't invoke on_read() */
}
}
else if (events & STIO_DEV_EVENT_HUP)
{
if (events & (STIO_DEV_EVENT_PRI | STIO_DEV_EVENT_IN | STIO_DEV_EVENT_OUT))
{
/* probably half-open? */
return 1;
}
rdev->stio->errnum = STIO_EDEVHUP;
return -1;
}
return 1; /* the device is ok. carry on reading or writing */
}
static int dev_evcb_sck_ready_stateless (stio_dev_t* dev, int events)
{
stio_dev_sck_t* rdev = (stio_dev_sck_t*)dev;
if (events & STIO_DEV_EVENT_ERR)
{
int errcode;
stio_scklen_t len;
len = STIO_SIZEOF(errcode);
if (getsockopt (rdev->sck, SOL_SOCKET, SO_ERROR, (char*)&errcode, &len) == -1)
{
/* the error number is set to the socket error code.
* errno resulting from getsockopt() doesn't reflect the actual
* socket error. so errno is not used to set the error number.
* instead, the generic device error STIO_EDEVERRR is used */
rdev->stio->errnum = STIO_EDEVERR;
}
else
{
rdev->stio->errnum = stio_syserrtoerrnum (errcode);
}
return -1;
}
else if (events & STIO_DEV_EVENT_HUP)
{
rdev->stio->errnum = STIO_EDEVHUP;
return -1;
}
return 1; /* the device is ok. carry on reading or writing */
}
static int dev_evcb_sck_on_read (stio_dev_t* dev, const void* data, stio_len_t dlen, const stio_adr_t* adr)
{
printf ("dATA received %d bytes\n", (int)dlen);
return 0;
stio_dev_sck_t* rdev = (stio_dev_sck_t*)dev;
return rdev->on_read (rdev, data, dlen, adr);
}
static int dev_evcb_sck_on_write (stio_dev_t* dev, stio_len_t wrlen, void* wrctx, const stio_adr_t* adr)
{
return 0;
stio_dev_sck_t* rdev = (stio_dev_sck_t*)dev;
return rdev->on_write (rdev, wrlen, wrctx);
}
static stio_dev_evcb_t dev_evcb_sck =
static stio_dev_evcb_t dev_evcb_sck_stateful =
{
dev_evcb_sck_ready,
dev_evcb_sck_ready_stateful,
dev_evcb_sck_on_read,
dev_evcb_sck_on_write
};
/* ======================================================================== */
stio_dev_sck_t* stio_dev_sck_make (stio_t* stio, stio_size_t xtnsize, const stio_dev_sck_make_t* data)
static stio_dev_evcb_t dev_evcb_sck_stateless =
{
return (stio_dev_sck_t*)stio_makedev (stio, STIO_SIZEOF(stio_dev_sck_t) + xtnsize, &dev_mth_sck, &dev_evcb_sck, (void*)data);
dev_evcb_sck_ready_stateless,
dev_evcb_sck_on_read,
dev_evcb_sck_on_write
};
/* ========================================================================= */
stio_dev_sck_t* stio_dev_sck_make (stio_t* stio, stio_size_t xtnsize, const stio_dev_sck_make_t* mkinf)
{
stio_dev_sck_t* rdev;
if (mkinf->type < 0 && mkinf->type >= STIO_COUNTOF(sck_type_map))
{
stio->errnum = STIO_EINVAL;
return STIO_NULL;
}
if (sck_type_map[mkinf->type].extra_dev_capa & STIO_DEV_CAPA_STREAM) /* can't use the IS_STATEFUL() macro yet */
{
rdev = (stio_dev_sck_t*)stio_makedev (stio, STIO_SIZEOF(stio_dev_sck_t) + xtnsize, &dev_mth_sck_stateful, &dev_evcb_sck_stateful, (void*)mkinf);
}
else
{
rdev = (stio_dev_sck_t*)stio_makedev (stio, STIO_SIZEOF(stio_dev_sck_t) + xtnsize, &dev_mth_sck_stateless, &dev_evcb_sck_stateless, (void*)mkinf);
}
return rdev;
}
int stio_dev_sck_bind (stio_dev_sck_t* dev, stio_dev_sck_bind_t* info)
{
return stio_dev_ioctl ((stio_dev_t*)dev, STIO_DEV_SCK_BIND, info);
}
int stio_dev_sck_connect (stio_dev_sck_t* dev, stio_dev_sck_connect_t* info)
{
return stio_dev_ioctl ((stio_dev_t*)dev, STIO_DEV_SCK_CONNECT, info);
}
int stio_dev_sck_listen (stio_dev_sck_t* dev, stio_dev_sck_listen_t* info)
{
return stio_dev_ioctl ((stio_dev_t*)dev, STIO_DEV_SCK_LISTEN, info);
}
int stio_dev_sck_write (stio_dev_sck_t* dev, const void* data, stio_len_t dlen, void* wrctx, const stio_adr_t* dstadr)

137
stio/lib/stio-sck.h
View File

@ -80,11 +80,40 @@ typedef int stio_sckfam_t;
/* ========================================================================= */
enum stio_dev_sck_ioctl_cmd_t
{
STIO_DEV_SCK_BIND,
STIO_DEV_SCK_CONNECT,
STIO_DEV_SCK_LISTEN
};
typedef enum stio_dev_sck_ioctl_cmd_t stio_dev_sck_ioctl_cmd_t;
enum stio_dev_sck_state_t
{
STIO_DEV_SCK_CONNECTING = (1 << 0),
STIO_DEV_SCK_CONNECTED = (1 << 1),
STIO_DEV_SCK_LISTENING = (1 << 2),
STIO_DEV_SCK_ACCEPTED = (1 << 3)
};
typedef enum stio_dev_sck_state_t stio_dev_sck_state_t;
typedef struct stio_dev_sck_t stio_dev_sck_t;
typedef int (*stio_dev_sck_on_read_t) (stio_dev_sck_t* dev, const void* data, stio_len_t dlen, const stio_sckadr_t* srcadr);
typedef int (*stio_dev_sck_on_write_t) (stio_dev_sck_t* dev, stio_len_t wrlen, void* wrctx);
typedef int (*stio_dev_sck_on_read_t) (
stio_dev_sck_t* dev,
const void* data,
stio_len_t dlen,
const stio_adr_t* srcadr
);
typedef int (*stio_dev_sck_on_write_t) (
stio_dev_sck_t* dev,
stio_len_t wrlen,
void* wrctx
);
typedef int (*stio_dev_sck_on_connect_t) (stio_dev_sck_t* dev);
typedef void (*stio_dev_sck_on_disconnect_t) (stio_dev_sck_t* dev);
enum stio_dev_sck_type_t
{
@ -106,20 +135,64 @@ struct stio_dev_sck_make_t
stio_dev_sck_on_read_t on_read;
};
typedef struct stio_dev_sck_bind_t stio_dev_sck_bind_t;
struct stio_dev_sck_bind_t
{
int opts; /* TODO: REUSEADDR , TRANSPARENT, etc or someting?? */
stio_sckadr_t addr;
/* TODO: add device name for BIND_TO_DEVICE */
};
typedef struct stio_dev_sck_connect_t stio_dev_sck_connect_t;
struct stio_dev_sck_connect_t
{
stio_sckadr_t addr;
stio_ntime_t tmout; /* connect timeout */
stio_dev_sck_on_connect_t on_connect;
stio_dev_sck_on_disconnect_t on_disconnect;
};
typedef struct stio_dev_sck_listen_t stio_dev_sck_listen_t;
struct stio_dev_sck_listen_t
{
int backlogs;
stio_dev_sck_on_connect_t on_connect; /* optional, but new connections are dropped immediately without this */
stio_dev_sck_on_disconnect_t on_disconnect; /* should on_discconneted be part of on_accept_t??? */
};
typedef struct stio_dev_sck_accept_t stio_dev_sck_accept_t;
struct stio_dev_sck_accept_t
{
stio_syshnd_t sck;
/* TODO: add timeout */
stio_sckadr_t peer;
};
struct stio_dev_sck_t
{
STIO_DEV_HEADERS;
stio_dev_sck_type_t type;
stio_sckhnd_t sck;
stio_dev_sck_on_write_t on_write;
stio_dev_sck_on_read_t on_read;
};
int state;
/** return 0 on succes, -1 on failure/
* called on a new tcp device for an accepted client or
* on a tcp device conntected to a remote server */
stio_dev_sck_on_connect_t on_connect;
stio_dev_sck_on_disconnect_t on_disconnect;
stio_tmridx_t tmridx_connect;
stio_sckadr_t peer;
};
#ifdef __cplusplus
extern "C" {
#endif
STIO_EXPORT stio_sckhnd_t stio_openasyncsck (
stio_t* stio,
int domain,
@ -149,7 +222,22 @@ STIO_EXPORT int stio_getsckadrinfo (
STIO_EXPORT stio_dev_sck_t* stio_dev_sck_make (
stio_t* stio,
stio_size_t xtnsize,
const stio_dev_sck_make_t* data
const stio_dev_sck_make_t* info
);
STIO_EXPORT int stio_dev_sck_bind (
stio_dev_sck_t* dev,
stio_dev_sck_bind_t* info
);
STIO_EXPORT int stio_dev_sck_connect (
stio_dev_sck_t* dev,
stio_dev_sck_connect_t* info
);
STIO_EXPORT int stio_dev_sck_listen (
stio_dev_sck_t* dev,
stio_dev_sck_listen_t* info
);
STIO_EXPORT int stio_dev_sck_write (
@ -169,6 +257,45 @@ STIO_EXPORT int stio_dev_sck_timedwrite (
const stio_adr_t* dstadr
);
#if defined(STIO_HAVE_INLINE)
static STIO_INLINE void stio_dev_sck_halt (stio_dev_sck_t* sck)
{
stio_dev_halt ((stio_dev_t*)sck);
}
static STIO_INLINE int stio_dev_sck_read (stio_dev_sck_t* sck, int enabled)
{
return stio_dev_read ((stio_dev_t*)sck, enabled);
}
/*
static STIO_INLINE int stio_dev_sck_write (stio_dev_sck_t* sck, const void* data, stio_len_t len, void* wrctx, const stio_adr_t* dstadr)
{
return stio_dev_write ((stio_dev_t*)sck, data, len, wrctx, STIO_NULL);
}
static STIO_INLINE int stio_dev_sck_timedwrite (stio_dev_sck_t* sck, const void* data, stio_len_t len, const stio_ntime_t* tmout, void* wrctx)
{
return stio_dev_timedwrite ((stio_dev_t*)sck, data, len, tmout, wrctx, STIO_NULL);
}
*/
#else
#define stio_dev_sck_halt(sck) stio_dev_halt((stio_dev_t*)sck)
#define stio_dev_sck_read(sck,enabled) stio_dev_read((stio_dev_t*)sck, enabled)
/*
#define stio_dev_sck_write(sck,data,len,wrctx) stio_dev_write((stio_dev_t*)sck, data, len, wrctx, STIO_NULL)
#define stio_dev_sck_timedwrite(sck,data,len,tmout,wrctx) stio_dev_timedwrite((stio_dev_t*)sck, data, len, tmout, wrctx, STIO_NULL)
*/
#endif
#ifdef __cplusplus
}

15
stio/lib/stio-tcp.c
View File

@ -182,17 +182,6 @@ static void tmr_connect_handle (stio_t* stio, const stio_ntime_t* now, stio_tmrj
}
}
#if defined(STIO_USE_TMRJOB_IDXPTR)
/* nothing to define */
#else
static void tmr_connect_update (stio_t* stio, stio_tmridx_t old_index, stio_tmridx_t new_index, stio_tmrjob_t* job)
{
stio_dev_tcp_t* tcp = (stio_dev_tcp_t*)job->ctx;
tcp->tmridx_connect = new_index;
}
#endif
static int tcp_ioctl (stio_dev_t* dev, int cmd, void* arg)
{
stio_dev_tcp_t* tcp = (stio_dev_tcp_t*)dev;
@ -261,11 +250,7 @@ static int tcp_ioctl (stio_dev_t* dev, int cmd, void* arg)
stio_gettime (&tmrjob.when);
stio_addtime (&tmrjob.when, &conn->tmout, &tmrjob.when);
tmrjob.handler = tmr_connect_handle;
#if defined(STIO_USE_TMRJOB_IDXPTR)
tmrjob.idxptr = &tcp->tmridx_connect;
#else
tmrjob.updater = tmr_connect_update;
#endif
STIO_ASSERT (tcp->tmridx_connect == STIO_TMRIDX_INVALID);
tcp->tmridx_connect = stio_instmrjob (tcp->stio, &tmrjob);

1
stio/lib/stio-tcp.h
View File

@ -50,7 +50,6 @@ typedef enum stio_dev_tcp_state_t stio_dev_tcp_state_t;
typedef struct stio_dev_tcp_t stio_dev_tcp_t;
typedef int (*stio_dev_tcp_on_connect_t) (stio_dev_tcp_t* dev);
typedef void (*stio_dev_tcp_on_accepted_t) (stio_dev_tcp_t* dev, stio_dev_tcp_t* clidev);
typedef void (*stio_dev_tcp_on_disconnect_t) (stio_dev_tcp_t* dev);
typedef int (*stio_dev_tcp_on_read_t) (stio_dev_tcp_t* dev, const void* data, stio_len_t len);

54
stio/lib/stio-tmr.c
View File

@ -46,28 +46,14 @@ static stio_tmridx_t sift_up (stio_t* stio, stio_tmridx_t index, int notify)
if (index > 0 && YOUNGER_THAN(&stio->tmr.jobs[index], &stio->tmr.jobs[parent]))
{
stio_tmrjob_t item;
#if defined(STIO_USE_TMRJOB_IDXPTR)
/* nothing */
#else
stio_tmridx_t old_index;
#endif
item = stio->tmr.jobs[index];
#if defined(STIO_USE_TMRJOB_IDXPTR)
/* nothing */
#else
old_index = index;
#endif
do
{
/* move down the parent to my current position */
stio->tmr.jobs[index] = stio->tmr.jobs[parent];
#if defined(STIO_USE_TMRJOB_IDXPTR)
if (stio->tmr.jobs[index].idxptr) *stio->tmr.jobs[index].idxptr = index;
#else
stio->tmr.jobs[index].updater (stio, parent, index, &stio->tmr.jobs[index]);
#endif
/* traverse up */
index = parent;
@ -76,15 +62,7 @@ static stio_tmridx_t sift_up (stio_t* stio, stio_tmridx_t index, int notify)
while (index > 0 && YOUNGER_THAN(&item, &stio->tmr.jobs[parent]));
stio->tmr.jobs[index] = item;
#if defined(STIO_USE_TMRJOB_IDXPTR)
if (stio->tmr.jobs[index].idxptr) *stio->tmr.jobs[index].idxptr = index;
#else
/* we send no notification if the item is added with stio_instmrjob()
* or updated with stio_updtmrjob(). the caller of these functions
* must rely on the return value. */
if (notify && index != old_index)
stio->tmr.jobs[index].updater (stio, old_index, index, &stio->tmr.jobs[index]);
#endif
}
return index;
@ -97,20 +75,9 @@ static stio_tmridx_t sift_down (stio_t* stio, stio_tmridx_t index, int notify)
if (index < base) /* at least 1 child is under the 'index' position */
{
stio_tmrjob_t item;
#if defined(STIO_USE_TMRJOB_IDXPTR)
/* nothing */
#else
stio_tmridx_t old_index;
#endif
item = stio->tmr.jobs[index];
#if defined(STIO_USE_TMRJOB_IDXPTR)
/* nothing */
#else
old_index = index;
#endif
do
{
stio_tmridx_t left, right, younger;
@ -130,23 +97,14 @@ static stio_tmridx_t sift_down (stio_t* stio, stio_tmridx_t index, int notify)
if (YOUNGER_THAN(&item, &stio->tmr.jobs[younger])) break;
stio->tmr.jobs[index] = stio->tmr.jobs[younger];
#if defined(STIO_USE_TMRJOB_IDXPTR)
if (stio->tmr.jobs[index].idxptr) *stio->tmr.jobs[index].idxptr = index;
#else
stio->tmr.jobs[index].updater (stio, younger, index, &stio->tmr.jobs[index]);
#endif
index = younger;
}
while (index < base);
stio->tmr.jobs[index] = item;
#if defined(STIO_USE_TMRJOB_IDXPTR)
if (stio->tmr.jobs[index].idxptr) *stio->tmr.jobs[index].idxptr = index;
#else
if (notify && index != old_index)
stio->tmr.jobs[index].updater (stio, old_index, index, &stio->tmr.jobs[index]);
#endif
}
return index;
@ -159,21 +117,13 @@ void stio_deltmrjob (stio_t* stio, stio_tmridx_t index)
STIO_ASSERT (index < stio->tmr.size);
item = stio->tmr.jobs[index];
#if defined(STIO_USE_TMRJOB_IDXPTR)
if (stio->tmr.jobs[index].idxptr) *stio->tmr.jobs[index].idxptr = STIO_TMRIDX_INVALID;
#else
stio->tmr.jobs[index].updater (stio, index, STIO_TMRIDX_INVALID, &stio->tmr.jobs[index]);
#endif
stio->tmr.size = stio->tmr.size - 1;
if (stio->tmr.size > 0 && index != stio->tmr.size)
{
stio->tmr.jobs[index] = stio->tmr.jobs[stio->tmr.size];
#if defined(STIO_USE_TMRJOB_IDXPTR)
if (stio->tmr.jobs[index].idxptr) *stio->tmr.jobs[index].idxptr = index;
#else
stio->tmr.jobs[index].updater (stio, stio->tmr.size, index, &stio->tmr.jobs[index]);
#endif
YOUNGER_THAN(&stio->tmr.jobs[index], &item)? sift_up(stio, index, 1): sift_down(stio, index, 1);
}
}
@ -202,9 +152,7 @@ stio_tmridx_t stio_instmrjob (stio_t* stio, const stio_tmrjob_t* job)
stio->tmr.size = stio->tmr.size + 1;
stio->tmr.jobs[index] = *job;
#if defined(STIO_USE_TMRJOB_IDXPTR)
if (stio->tmr.jobs[index].idxptr) *stio->tmr.jobs[index].idxptr = index;
#endif
return sift_up (stio, index, 0);
}
@ -213,9 +161,7 @@ stio_tmridx_t stio_updtmrjob (stio_t* stio, stio_tmridx_t index, const stio_tmrj
stio_tmrjob_t item;
item = stio->tmr.jobs[index];
stio->tmr.jobs[index] = *job;
#if defined(STIO_USE_TMRJOB_IDXPTR)
if (stio->tmr.jobs[index].idxptr) *stio->tmr.jobs[index].idxptr = index;
#endif
return YOUNGER_THAN(job, &item)? sift_up (stio, index, 0): sift_down (stio, index, 0);
}

1
stio/lib/stio.c
View File

@ -847,7 +847,6 @@ enqueue_data:
}
else
{
q->dstadr.ptr = STIO_NULL;
q->dstadr.len = 0;
}

5
stio/lib/stio.h
View File

@ -48,12 +48,11 @@ struct stio_ntime_t
#define STIO_SYSHND_INVALID (-1)
#endif
typedef struct stio_adr_t stio_adr_t;
struct stio_adr_t
{
int len;
void* ptr;
int len;
};
#define STIO_CONST_SWAP16(x) \
@ -101,7 +100,7 @@ enum stio_errnum_t
STIO_ECONRF, /* connection refused */
STIO_ECONRS, /* connection reset */
STIO_ENOCAPA, /* no capability */
STIO_ETMOUT, /* timed out */
STIO_ETMOUT, /* timed out */
STIO_EDEVMAKE,
STIO_EDEVERR,