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added MIO_DEV_SCK_LENIENT to set on the state field of a socket device

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added MIO_DEV_SCK_BIND_LENIENT to use to set MIO_DEV_SCK_LENIENT on a listening socket.
fixed some minor bugs here and there
This commit is contained in:
hyung-hwan 2020-05-07 04:32:32 +00:00
parent b9a47faff6
commit 0baa0820ae
7 changed files with 59 additions and 30 deletions
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19
mio/bin/t01.c
View File

@ -76,18 +76,31 @@ printf ("CRITICAL ERROR ---> too many heap chunks...\n");
}
x = malloc (size);
if (x) ((mmgr_stat_t*)mmgr->ctx)->total_count++;
if (x)
{
((mmgr_stat_t*)mmgr->ctx)->total_count++;
/*printf ("MMGR total_count INCed to %d => %p\n", ((mmgr_stat_t*)mmgr->ctx)->total_count, x);*/
}
return x;
}
static void* mmgr_realloc (mio_mmgr_t* mmgr, void* ptr, mio_oow_t size)
{
return realloc (ptr, size);
void* x;
x = realloc (ptr, size);
if (x && !ptr)
{
((mmgr_stat_t*)mmgr->ctx)->total_count++;
/*printf ("MMGR total_count INCed to %d => %p\n", ((mmgr_stat_t*)mmgr->ctx)->total_count, x);*/
}
return x;
}
static void mmgr_free (mio_mmgr_t* mmgr, void* ptr)
{
((mmgr_stat_t*)mmgr->ctx)->total_count--;
/*printf ("MMGR total_count DECed to %d => %p\n", ((mmgr_stat_t*)mmgr->ctx)->total_count, ptr);*/
return free (ptr);
}
@ -889,8 +902,8 @@ int main (int argc, char* argv[])
tcp_bind.options |= MIO_DEV_SCK_BIND_SSL;
tcp_bind.ssl_certfile = "localhost.crt";
tcp_bind.ssl_keyfile = "localhost.key";
MIO_INIT_NTIME (&tcp_bind.ssl_accept_tmout, 5, 1);
#endif
MIO_INIT_NTIME (&tcp_bind.accept_tmout, 5, 1);
if (mio_dev_sck_bind(tcp[2], &tcp_bind) <= -1)
{

2
mio/lib/dns-cli.c
View File

@ -297,7 +297,7 @@ static int on_tcp_read (mio_dev_sck_t* dev, const void* data, mio_iolen_t dlen,
return 0;
oops:
mio_dev_sck_halt(dev);
mio_dev_sck_halt (dev);
return 0;
}

14
mio/lib/http-svr.c
View File

@ -344,6 +344,8 @@ static void client_on_disconnect (mio_dev_sck_t* sck)
sck_xtn_t* sckxtn = mio_dev_sck_getxtn(sck);
printf ("** HTTS - client disconnect %p\n", sck);
fini_client (sck->mio, &sckxtn->c);
/* TODO: remove it from the list of clients */
}
/* ------------------------------------------------------------------------ */
@ -410,15 +412,15 @@ static void listener_on_disconnect (mio_dev_sck_t* sck)
break;
case MIO_DEV_SCK_ACCEPTING_SSL:
MIO_INFO1 (sck->mio, "INCOMING SSL-ACCEPT GOT DISCONNECTED(%d) ....\n", (int)sck->sck);
MIO_INFO1 (sck->mio, "LISTENER INCOMING SSL-ACCEPT GOT DISCONNECTED(%d) ....\n", (int)sck->sck);
break;
case MIO_DEV_SCK_ACCEPTED:
MIO_INFO1 (sck->mio, "INCOMING CLIENT BEING SERVED GOT DISCONNECTED(%d).......\n", (int)sck->sck);
MIO_INFO1 (sck->mio, "LISTENER INCOMING CLIENT BEING SERVED GOT DISCONNECTED(%d).......\n", (int)sck->sck);
break;
default:
MIO_INFO1 (sck->mio, "DISCONNECTED AFTER ALL(%d).......\n", (int)sck->sck);
MIO_INFO1 (sck->mio, "LISTENER DISCONNECTED AFTER ALL(%d).......\n", (int)sck->sck);
break;
}
@ -427,6 +429,8 @@ static void listener_on_disconnect (mio_dev_sck_t* sck)
* for a listener socket, these fields must be NULL */
MIO_ASSERT (sck->mio, sckxtn->c.htrd == MIO_NULL);
MIO_ASSERT (sck->mio, sckxtn->c.sbuf == MIO_NULL);
sckxtn->htts->lsck = MIO_NULL; /* let the htts service forget about this listening socket */
}
@ -478,8 +482,8 @@ mio_svc_htts_t* mio_svc_htts_start (mio_t* mio, const mio_skad_t* bind_addr)
MIO_MEMSET (&info, 0, MIO_SIZEOF(info));
info.b.localaddr = *bind_addr;
info.b.options = MIO_DEV_SCK_BIND_REUSEADDR | MIO_DEV_SCK_BIND_REUSEPORT;
MIO_INIT_NTIME (&info.b.accept_tmout, 5, 1);
info.b.options = MIO_DEV_SCK_BIND_REUSEADDR | MIO_DEV_SCK_BIND_REUSEPORT | MIO_DEV_SCK_BIND_LENIENT;
/*MIO_INIT_NTIME (&info.b.ssl_accept_tmout, 5, 1);*/
if (mio_dev_sck_bind(htts->lsck, &info.b) <= -1) goto oops;
info.l.backlogs = 255;

19
mio/lib/mio-sck.h
View File

@ -221,6 +221,8 @@ typedef enum mio_dev_sck_ioctl_cmd_t mio_dev_sck_ioctl_cmd_t;
} while(0)
#define MIO_DEV_SCK_GET_PROGRESS(dev) ((dev)->state & MIO_DEV_SCK_ALL_PROGRESS_BITS)
#define MIO_DEV_SCK_GET_TOLERANT(dev) ((dev)->state & MIO_DEV_SCK_
enum mio_dev_sck_state_t
{
@ -233,9 +235,9 @@ enum mio_dev_sck_state_t
MIO_DEV_SCK_ACCEPTED = (1 << 5),
/* the following items can be bitwise-ORed with an exclusive item above */
MIO_DEV_SCK_LENIENT = (1 << 14),
MIO_DEV_SCK_INTERCEPTED = (1 << 15),
/* convenience bit masks */
MIO_DEV_SCK_ALL_PROGRESS_BITS = (MIO_DEV_SCK_CONNECTING |
MIO_DEV_SCK_CONNECTING_SSL |
@ -313,6 +315,7 @@ enum mio_dev_sck_bind_option_t
/* TODO: more options --- SO_RCVBUF, SO_SNDBUF, SO_RCVTIMEO, SO_SNDTIMEO, SO_KEEPALIVE */
/* BINDTODEVICE??? */
MIO_DEV_SCK_BIND_LENIENT = (1 << 14), /* for now, accept failure doesn't affect the listing socket if this is set */
MIO_DEV_SCK_BIND_SSL = (1 << 15)
};
typedef enum mio_dev_sck_bind_option_t mio_dev_sck_bind_option_t;
@ -320,18 +323,18 @@ typedef enum mio_dev_sck_bind_option_t mio_dev_sck_bind_option_t;
typedef struct mio_dev_sck_bind_t mio_dev_sck_bind_t;
struct mio_dev_sck_bind_t
{
int options;
int options; /** 0 or bitwise-OR'ed of mio_dev_sck_bind_option_t enumerators */
mio_skad_t localaddr;
/* TODO: add device name for BIND_TO_DEVICE */
const mio_bch_t* ssl_certfile;
const mio_bch_t* ssl_keyfile;
mio_ntime_t accept_tmout;
mio_ntime_t ssl_accept_tmout;
};
enum mio_dev_sck_connect_option_t
{
MIO_DEV_SCK_CONNECT_SSL = (1 << 15)
MIO_DEV_SCK_CONNECT_SSL = (1 << 15)
};
typedef enum mio_dev_sck_connect_option_t mio_dev_sck_connect_option_t;
@ -349,14 +352,6 @@ struct mio_dev_sck_listen_t
int backlogs;
};
typedef struct mio_dev_sck_accept_t mio_dev_sck_accept_t;
struct mio_dev_sck_accept_t
{
mio_syshnd_t sck;
/* TODO: add timeout */
mio_skad_t remoteaddr;
};
struct mio_dev_sck_t
{
MIO_DEV_HEADER;

9
mio/lib/mio.c
View File

@ -179,6 +179,7 @@ void mio_fini (mio_t* mio)
}
}
/* kill services before killing devices */
while (!MIO_SVCL_IS_EMPTY(&mio->actsvc))
{
mio_svc_t* svc;
@ -751,7 +752,6 @@ static int kill_and_free_device (mio_dev_t* dev, int force)
MIO_ASSERT (mio, !(dev->dev_cap & MIO_DEV_CAP_ACTIVE));
MIO_ASSERT (mio, !(dev->dev_cap & MIO_DEV_CAP_HALTED));
if (dev->dev_mth->kill(dev, force) <= -1)
{
if (force >= 2) goto free_device;
@ -909,6 +909,8 @@ void mio_dev_halt (mio_dev_t* dev)
if (dev->dev_cap & MIO_DEV_CAP_ACTIVE)
{
MIO_DEBUG1 (mio, "HALTING DEVICE %p\n", dev);
/* delink the device object from the active device list */
MIO_DEVL_UNLINK_DEV (dev);
dev->dev_cap &= ~MIO_DEV_CAP_ACTIVE;
@ -1160,6 +1162,11 @@ static int __dev_write (mio_dev_t* dev, const void* data, mio_iolen_t len, const
}
else
{
/* the write callback should return at most the number of requested
* bytes. but returning more is harmless as urem is of a signed type.
* for a zero-length request, it's necessary to return at least 1
* to indicate successful acknowlegement. otherwise, it gets enqueued
* as shown in the 'if' block right above. */
urem -= ulen;
uptr += ulen;
}

1
mio/lib/mio.h
View File

@ -360,7 +360,6 @@ struct mio_dev_t
(dev)->dev_next->dev_prev = (dev)->dev_prev; \
} while (0)
#define MIO_DEVL_INIT(lh) ((lh)->dev_next = (lh)->dev_prev = lh)
#define MIO_DEVL_FIRST_DEV(lh) ((lh)->dev_next)
#define MIO_DEVL_LAST_DEV(lh) ((lh)->dev_prev)

23
mio/lib/sck.c
View File

@ -517,14 +517,17 @@ static int dev_sck_write_stateful (mio_dev_t* dev, const void* data, mio_iolen_t
if (*len <= 0)
{
/* it's a writing finish indicator. close the writing end of
* the socket, probably leaving it in the half-closed state */
/* the write handler for a stream device must handle a zero-length
* writing request specially. 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)
{
mio_seterrwithsyserr (mio, 0, errno);
return -1;
}
/* it must return a non-zero positive value. if it returns 0, this request
* gets enqueued by the core. we must aovid it */
return 1;
}
@ -658,7 +661,6 @@ static int dev_sck_write_stateless (mio_dev_t* dev, const void* data, mio_iolen_
return 1;
}
static int dev_sck_writev_stateless (mio_dev_t* dev, const mio_iovec_t* iov, mio_iolen_t* iovcnt, const mio_devaddr_t* dstaddr)
{
mio_t* mio = dev->mio;
@ -900,7 +902,7 @@ static int dev_sck_ioctl (mio_dev_t* dev, int cmd, void* arg)
SSL_CTX_set_options(ssl_ctx, SSL_OP_NO_SSLv2); /* no outdated SSLv2 by default */
rdev->tmout = bnd->accept_tmout;
rdev->tmout = bnd->ssl_accept_tmout;
#else
mio_seterrnum (mio, MIO_ENOIMPL);
return -1;
@ -923,6 +925,7 @@ static int dev_sck_ioctl (mio_dev_t* dev, int cmd, void* arg)
rdev->ssl_ctx = ssl_ctx;
#endif
if (bnd->options & MIO_DEV_SCK_BIND_LENIENT) rdev->state |= MIO_DEV_SCK_LENIENT;
return 0;
}
@ -931,7 +934,6 @@ static int dev_sck_ioctl (mio_dev_t* dev, int cmd, void* arg)
mio_dev_sck_connect_t* conn = (mio_dev_sck_connect_t*)arg;
struct sockaddr* sa = (struct sockaddr*)&conn->remoteaddr;
mio_scklen_t sl;
mio_skad_t localaddr;
int x;
#if defined(USE_SSL)
SSL_CTX* ssl_ctx = MIO_NULL;
@ -1488,7 +1490,16 @@ static int dev_evcb_sck_ready_stateful (mio_dev_t* dev, int events)
}
else if (events & MIO_DEV_EVENT_IN)
{
return accept_incoming_connection(rdev);
if (rdev->state & MIO_DEV_SCK_LENIENT)
{
accept_incoming_connection(rdev);
return 0; /* return ok to the core regardless of accept()'s result */
}
else
{
/* [NOTE] if the accept operation fails, the core also kills this listening device. */
return accept_incoming_connection(rdev);
}
}
else
{