EIF_INTEGER en_socket_datagram_rcv_from (EIF_INTEGER fd, EIF_INTEGER fd1, EIF_INTEGER *a_last_fd, EIF_POINTER buf, EIF_INTEGER len, EIF_INTEGER flags, EIF_INTEGER timeout, SOCKETADDRESS *him) {
int nsockets = 0;
int fduse = 0;
int result;
int lenn = sizeof(SOCKETADDRESS);
int ipv6_supported = en_ipv6_available();
if (fd > 0) {
nsockets++;
}
if (fd1 > 0) {
nsockets++;
}
if (nsockets == 2) { /* need to choose one of them */
int ret, t = (timeout == 0) ? -1: timeout;
ret = net_timeout2 (fd, fd1, t, &fduse);
if (ret == 2) {
fduse = check_last_fd (a_last_fd, fd, fd1);
} else if (ret == 0) {
if (ret == 0) {
eraise("Receive timed out", EN_PROG);
} else {
eraise("Receive error", EN_PROG);
}
return -1;
}
} else if (!ipv6_supported) {
fduse = fd;
} else if (fd >= 0) {
/* ipv6 supported: and this socket bound to an IPV6 only address */
fduse = fd1;
} else {
/* ipv6 supported: and this socket bound to an IPV4 only address */
fduse = fd;
}
if (timeout && nsockets == 1) {
int ret;
ret = net_timeout(fduse, timeout);
if (ret <= 0) {
if (ret == 0) {
eraise("Receive timed out", EN_PROG);
} else {
eraise("Receive error", EN_PROG);
}
return -1;
}
}
result = recvfrom ((SOCKET) fduse, (char *) buf, (int) len, (int) flags, (struct sockaddr *) him, &lenn);
eif_net_check (result);
return (EIF_INTEGER) result;
}
/*
* send a message
* return non-zero if message not sent successful with completed
* queue info for status and transport
*/
int ebxml_send (XML*xml, QUEUEROW *r, MIME *msg)
{
DBUF *b;
NETCON *conn;
char host[MAX_PATH]; /* need buffers for redirect */
char path[MAX_PATH];
int port, route, timeout, delay, retry;
SSL_CTX *ctx;
char *rname, /* route name */
*content, /* message content */
buf[MAX_PATH];
/* format up the message */
if ((content = mime_format (msg)) == NULL)
{
queue_field_set (r, "PROCESSINGSTATUS", "done");
queue_field_set (r, "TRANSPORTSTATUS", "failed");
queue_field_set (r, "TRANSPORTERRORCODE", "failed formatting message");
return (-1);
}
debug ("Send content:\n%s\n", content);
/*
* get connection info from the record route
*/
if ((route =
cfg_route_index (xml, queue_field_get (r, "ROUTEINFO"))) < 0)
{
queue_field_set (r, "PROCESSINGSTATUS", "done");
queue_field_set (r, "TRANSPORTSTATUS", "failed");
queue_field_set (r, "TRANSPORTERRORCODE", "bad route");
return (-1);
}
rname = cfg_route (xml, route, "Name");
ctx = ebxml_route_ctx (xml, route);
strcpy (host, cfg_route (xml, route, "Host"));
port = atoi (cfg_route (xml, route, "Port"));
if ((retry = atoi (cfg_route (xml, route, "Retry"))) == 0)
retry = cfg_retries (xml);
timeout = atoi (cfg_route (xml, route, "Timeout"));
delay = cfg_delay (xml);
strcpy (path, cfg_route (xml, route, "Path"));
sendmsg:
info ("Sending ebXML %s:%d to %s\n",
r->queue->name, r->rowid, rname);
debug ("opening connection socket on port=%d retrys=%d timeout=%d\n",
port, retry, timeout);
if ((conn = net_open (host, port, 0, ctx)) == NULL)
{
error ("failed opening connection to %s:%d\n", host, port);
goto retrysend;
}
/* set read timeout if given */
if (timeout)
{
net_timeout (conn, timeout * 1000);
timeout <<= 1; /* bump each try */
}
delay = 0; /* connection OK, don't delay */
queue_field_set (r, "MESSAGESENTTIME", ptime (NULL, buf));
sprintf (buf, "POST %s HTTP/1.1\r\n", path);
// ch = ebxml_beautify (ch);
/* all set... send the message */
debug ("sending message...\n");
net_write (conn, buf, strlen (buf));
net_write (conn, content, strlen (content));
debug ("reading response...\n");
b = ebxml_receive (conn);
debug ("closing socket...\n");
net_close (conn);
/* no reply? */
if (b == NULL)
{
warn ("Send response timed out or closed for %s\n", rname);
retrysend: /* retry with a wait, or.. */
if (retry-- && phineas_running ())
{
if (delay)
{
info ("Retrying send to %s in %d seconds\n", rname, delay);
sleep (delay * 1000);
delay <<= 1;
}
else /* reset connection delay */
delay = cfg_delay (xml);
goto sendmsg;
}
if (ctx != NULL) /* give up! */
SSL_CTX_free (ctx);
free (content);
queue_field_set (r, "PROCESSINGSTATUS", "done");
queue_field_set (r, "TRANSPORTSTATUS", "failed");
queue_field_set (r, "TRANSPORTERRORCODE", "retries exhausted");
return (-1);
}
debug ("reply was %d bytes\n%.*s\n", dbuf_size (b),
dbuf_size (b), dbuf_getbuf (b));
/*
* handle redirects...
* note this assumes the same SSL context should be used
*/
if (ebxml_redirect (dbuf_getbuf (b), host, &port, path))
{
dbuf_free (b);
goto sendmsg;
}
if (ctx != NULL)
SSL_CTX_free (ctx);
if (ebxml_parse_reply (dbuf_getbuf (b), r))
{
queue_field_set (r, "PROCESSINGSTATUS", "done");
queue_field_set (r, "TRANSPORTSTATUS", "failed");
queue_field_set (r, "TRANSPORTERRORCODE", "garbled reply");
}
debug ("send completed\n");
dbuf_free (b);
free (content);
return (0);
}
EIF_INTEGER en_socket_stream_accept (EIF_INTEGER fd, EIF_INTEGER fd1, EIF_INTEGER *a_last_fd, SOCKETADDRESS *him, EIF_INTEGER timeout) {
int len;
SOCKET accepted;
EIF_NET_INITIALIZE;
if (fd != -1 && fd1 != -1) {
fd_set rfds;
struct timeval t, *tP=&t;
int res, fd2;
FD_ZERO(&rfds);
FD_SET((SOCKET) fd,&rfds);
FD_SET((SOCKET) fd1,&rfds);
if (timeout) {
t.tv_sec = timeout/1000;
t.tv_usec = (timeout%1000)*1000;
} else {
tP = NULL;
}
res = select (fd, &rfds, NULL, NULL, tP);
if (res == 0) {
eraise("Accept timed out", EN_PROG);
return -1;
} else if (res == 1) {
fd2 = FD_ISSET(fd, &rfds)? fd: fd1;
} else if (res == 2) {
/* avoid starvation */
if (*a_last_fd != -1) {
fd2 = *a_last_fd==fd? fd1: fd;
} else {
fd2 = fd;
}
*a_last_fd = fd2;
} else {
eraise("select failed", EN_PROG);
return -1;
}
if (fd2 == fd) { /* v4 */
len = sizeof (struct sockaddr_in);
} else {
len = sizeof (struct sockaddr_in6);
}
fd = fd2;
} else {
int ret;
if (fd1 != -1) {
fd = fd1;
len = sizeof (struct sockaddr_in6);
} else {
len = sizeof (struct sockaddr_in);
}
if (timeout) {
ret = net_timeout(fd, timeout);
if (ret == 0) {
eraise("Accept timed out", EN_PROG);
return -1;
} else if (ret == -1) {
eraise("Socket closed", EN_PROG);
return -1;
} else if (ret == -2) {
eraise("operation interrupted", EN_PROG);
return -1;
}
}
}
accepted = check_socket_bounds(accept(fd, (struct sockaddr *)him, &len));
if (accepted == INVALID_SOCKET) {
eif_net_check ((int)accepted);
return -1;
} else {
return (int)accepted;
}
}
