*/ REBINT PD_Time(REBPVS *pvs)
/*
***********************************************************************/
{
REBVAL *val;
REBINT i;
REBINT n;
REBDEC f;
REB_TIMEF tf;
if (IS_WORD(pvs->select)) {
switch (VAL_WORD_CANON(pvs->select)) {
case SYM_HOUR: i = 0; break;
case SYM_MINUTE: i = 1; break;
case SYM_SECOND: i = 2; break;
default: return PE_BAD_SELECT;
}
}
else if (IS_INTEGER(pvs->select))
i = VAL_INT32(pvs->select) - 1;
else
return PE_BAD_SELECT;
Split_Time(VAL_TIME(pvs->value), &tf); // loses sign
if (!(val = pvs->setval)) {
val = pvs->store;
switch(i) {
case 0: // hours
SET_INTEGER(val, tf.h);
break;
case 1:
SET_INTEGER(val, tf.m);
break;
case 2:
if (tf.n == 0)
SET_INTEGER(val, tf.s);
else
SET_DECIMAL(val, (REBDEC)tf.s + (tf.n * NANO));
break;
default:
return PE_NONE;
}
return PE_USE;
} else {
if (IS_INTEGER(val) || IS_DECIMAL(val)) n = Int32s(val, 0);
else if (IS_NONE(val)) n = 0;
else return PE_BAD_SET;
switch(i) {
case 0:
tf.h = n;
break;
case 1:
tf.m = n;
break;
case 2:
if (IS_DECIMAL(val)) {
f = VAL_DECIMAL(val);
if (f < 0.0) Trap_Range_DEAD_END(val);
tf.s = (REBINT)f;
tf.n = (REBINT)((f - tf.s) * SEC_SEC);
}
else {
tf.s = n;
tf.n = 0;
}
break;
default:
return PE_BAD_SELECT;
}
VAL_TIME(pvs->value) = Join_Time(&tf, FALSE);
return PE_OK;
}
}
*/ REBFLG MT_Date(REBVAL *val, REBVAL *arg, REBCNT type)
/*
** Given a block of values, construct a date datatype.
**
***********************************************************************/
{
REBI64 secs = NO_TIME;
REBINT tz = 0;
REBDAT date;
REBCNT year, month, day;
if (IS_DATE(arg)) {
*val = *arg;
return TRUE;
}
if (!IS_INTEGER(arg)) return FALSE;
day = Int32s(arg++, 1);
if (!IS_INTEGER(arg)) return FALSE;
month = Int32s(arg++, 1);
if (!IS_INTEGER(arg)) return FALSE;
if (day > 99) {
year = day;
day = Int32s(arg++, 1);
} else
year = Int32s(arg++, 0);
if (month < 1 || month > 12) return FALSE;
if (year > MAX_YEAR || day < 1 || day > Month_Max_Days[month-1])
return FALSE;
// Check February for leap year or century:
if (month == 2 && day == 29) {
if (((year % 4) != 0) || // not leap year
((year % 100) == 0 && // century?
(year % 400) != 0)) return FALSE; // not leap century
}
day--;
month--;
if (IS_TIME(arg)) {
secs = VAL_TIME(arg);
arg++;
}
if (IS_TIME(arg)) {
tz = (REBINT)(VAL_TIME(arg) / (ZONE_MINS * MIN_SEC));
if (tz < -MAX_ZONE || tz > MAX_ZONE) Trap_Range_DEAD_END(arg);
arg++;
}
if (!IS_END(arg)) return FALSE;
Normalize_Time(&secs, &day);
date = Normalize_Date(day, month, year, tz);
VAL_SET(val, REB_DATE);
VAL_DATE(val) = date;
VAL_TIME(val) = secs;
Adjust_Date_Zone(val, TRUE);
return TRUE;
}
*/ REBI64 Make_Time(REBVAL *val)
/*
** Returns NO_TIME if error.
**
***********************************************************************/
{
REBI64 secs = 0;
if (IS_TIME(val)) {
secs = VAL_TIME(val);
}
else if (IS_STRING(val)) {
REBYTE *bp;
REBCNT len;
bp = Qualify_String(val, 30, &len, FALSE); // can trap, ret diff str
if (!Scan_Time(bp, len, val)) goto no_time;
secs = VAL_TIME(val);
}
else if (IS_INTEGER(val)) {
if (VAL_INT64(val) < -MAX_SECONDS || VAL_INT64(val) > MAX_SECONDS)
Trap_Range_DEAD_END(val);
secs = VAL_INT64(val) * SEC_SEC;
}
else if (IS_DECIMAL(val)) {
if (VAL_DECIMAL(val) < (REBDEC)(-MAX_SECONDS) || VAL_DECIMAL(val) > (REBDEC)MAX_SECONDS)
Trap_Range_DEAD_END(val);
secs = DEC_TO_SECS(VAL_DECIMAL(val));
}
else if (ANY_BLOCK(val) && VAL_BLK_LEN(val) <= 3) {
REBFLG neg = FALSE;
REBI64 i;
val = VAL_BLK_DATA(val);
if (!IS_INTEGER(val)) goto no_time;
i = Int32(val);
if (i < 0) i = -i, neg = TRUE;
secs = i * 3600;
if (secs > MAX_SECONDS) goto no_time;
if (NOT_END(++val)) {
if (!IS_INTEGER(val)) goto no_time;
if ((i = Int32(val)) < 0) goto no_time;
secs += i * 60;
if (secs > MAX_SECONDS) goto no_time;
if (NOT_END(++val)) {
if (IS_INTEGER(val)) {
if ((i = Int32(val)) < 0) goto no_time;
secs += i;
if (secs > MAX_SECONDS) goto no_time;
}
else if (IS_DECIMAL(val)) {
if (secs + (REBI64)VAL_DECIMAL(val) + 1 > MAX_SECONDS) goto no_time;
// added in below
}
else goto no_time;
}
}
secs *= SEC_SEC;
if (IS_DECIMAL(val)) secs += DEC_TO_SECS(VAL_DECIMAL(val));
if (neg) secs = -secs;
}
else
no_time: return NO_TIME;
return secs;
}
*/ static int Transport_Actor(REBVAL *ds, REBSER *port, REBCNT action, enum Transport_Types proto)
/*
***********************************************************************/
{
REBREQ *sock; // IO request
REBVAL *spec; // port spec
REBVAL *arg; // action argument value
REBVAL *val; // e.g. port number value
REBINT result; // IO result
REBCNT refs; // refinement argument flags
REBCNT len; // generic length
REBSER *ser; // simplifier
Validate_Port(port, action);
*D_OUT = *D_ARG(1);
arg = D_ARG(2);
refs = 0;
sock = cast(REBREQ*, Use_Port_State(port, RDI_NET, sizeof(*sock)));
if (proto == TRANSPORT_UDP) {
SET_FLAG(sock->modes, RST_UDP);
}
//Debug_Fmt("Sock: %x", sock);
spec = OFV(port, STD_PORT_SPEC);
if (!IS_OBJECT(spec)) Trap_DEAD_END(RE_INVALID_PORT);
// sock->timeout = 4000; // where does this go? !!!
// HOW TO PREVENT OVERWRITE DURING BUSY OPERATION!!!
// Should it just ignore it or cause an error?
// Actions for an unopened socket:
if (!IS_OPEN(sock)) {
switch (action) { // Ordered by frequency
case A_OPEN:
arg = Obj_Value(spec, STD_PORT_SPEC_NET_HOST);
val = Obj_Value(spec, STD_PORT_SPEC_NET_PORT_ID);
if (OS_DO_DEVICE(sock, RDC_OPEN)) Trap_Port_DEAD_END(RE_CANNOT_OPEN, port, -12);
SET_OPEN(sock);
// Lookup host name (an extra TCP device step):
if (IS_STRING(arg)) {
sock->common.data = VAL_BIN(arg);
sock->special.net.remote_port = IS_INTEGER(val) ? VAL_INT32(val) : 80;
result = OS_DO_DEVICE(sock, RDC_LOOKUP); // sets remote_ip field
if (result < 0) Trap_Port_DEAD_END(RE_NO_CONNECT, port, sock->error);
return R_OUT;
}
// Host IP specified:
else if (IS_TUPLE(arg)) {
sock->special.net.remote_port = IS_INTEGER(val) ? VAL_INT32(val) : 80;
memcpy(&sock->special.net.remote_ip, VAL_TUPLE(arg), 4);
break;
}
// No host, must be a LISTEN socket:
else if (IS_NONE(arg)) {
SET_FLAG(sock->modes, RST_LISTEN);
sock->common.data = 0; // where ACCEPT requests are queued
sock->special.net.local_port = IS_INTEGER(val) ? VAL_INT32(val) : 8000;
break;
}
else Trap_Port_DEAD_END(RE_INVALID_SPEC, port, -10);
case A_CLOSE:
return R_OUT;
case A_OPENQ:
return R_FALSE;
case A_UPDATE: // allowed after a close
break;
default:
Trap_Port_DEAD_END(RE_NOT_OPEN, port, -12);
}
}
// Actions for an open socket:
switch (action) { // Ordered by frequency
case A_UPDATE:
// Update the port object after a READ or WRITE operation.
// This is normally called by the WAKE-UP function.
arg = OFV(port, STD_PORT_DATA);
if (sock->command == RDC_READ) {
if (ANY_BINSTR(arg)) VAL_TAIL(arg) += sock->actual;
}
else if (sock->command == RDC_WRITE) {
SET_NONE(arg); // Write is done.
}
return R_NONE;
case A_READ:
// Read data into a buffer, expanding the buffer if needed.
// If no length is given, program must stop it at some point.
refs = Find_Refines(ds, ALL_READ_REFS);
if (!GET_FLAG(sock->modes, RST_UDP)
&& !GET_FLAG(sock->state, RSM_CONNECT))
Trap_Port_DEAD_END(RE_NOT_CONNECTED, port, -15);
// Setup the read buffer (allocate a buffer if needed):
arg = OFV(port, STD_PORT_DATA);
if (!IS_STRING(arg) && !IS_BINARY(arg)) {
Set_Binary(arg, Make_Binary(NET_BUF_SIZE));
}
ser = VAL_SERIES(arg);
sock->length = SERIES_AVAIL(ser); // space available
if (sock->length < NET_BUF_SIZE/2) Extend_Series(ser, NET_BUF_SIZE);
sock->length = SERIES_AVAIL(ser);
sock->common.data = STR_TAIL(ser); // write at tail
//if (SERIES_TAIL(ser) == 0)
sock->actual = 0; // Actual for THIS read, not for total.
//Print("(max read length %d)", sock->length);
result = OS_DO_DEVICE(sock, RDC_READ); // recv can happen immediately
if (result < 0) Trap_Port_DEAD_END(RE_READ_ERROR, port, sock->error);
break;
case A_WRITE:
// Write the entire argument string to the network.
// The lower level write code continues until done.
refs = Find_Refines(ds, ALL_WRITE_REFS);
if (!GET_FLAG(sock->modes, RST_UDP)
&& !GET_FLAG(sock->state, RSM_CONNECT))
Trap_Port_DEAD_END(RE_NOT_CONNECTED, port, -15);
// Determine length. Clip /PART to size of string if needed.
spec = D_ARG(2);
len = VAL_LEN(spec);
if (refs & AM_WRITE_PART) {
REBCNT n = Int32s(D_ARG(ARG_WRITE_LENGTH), 0);
if (n <= len) len = n;
}
// Setup the write:
*OFV(port, STD_PORT_DATA) = *spec; // keep it GC safe
sock->length = len;
sock->common.data = VAL_BIN_DATA(spec);
sock->actual = 0;
//Print("(write length %d)", len);
result = OS_DO_DEVICE(sock, RDC_WRITE); // send can happen immediately
if (result < 0) Trap_Port_DEAD_END(RE_WRITE_ERROR, port, sock->error);
if (result == DR_DONE) SET_NONE(OFV(port, STD_PORT_DATA));
break;
case A_PICK:
// FIRST server-port returns new port connection.
len = Get_Num_Arg(arg); // Position
if (len == 1 && GET_FLAG(sock->modes, RST_LISTEN) && sock->common.data)
Accept_New_Port(ds, port, sock); // sets D_OUT
else
Trap_Range_DEAD_END(arg);
break;
case A_QUERY:
// Get specific information - the scheme's info object.
// Special notation allows just getting part of the info.
Ret_Query_Net(port, sock, D_OUT);
break;
case A_OPENQ:
// Connect for clients, bind for servers:
if (sock->state & ((1<<RSM_CONNECT) | (1<<RSM_BIND))) return R_TRUE;
return R_FALSE;
case A_CLOSE:
if (IS_OPEN(sock)) {
OS_DO_DEVICE(sock, RDC_CLOSE);
SET_CLOSED(sock);
}
break;
case A_LENGTHQ:
arg = OFV(port, STD_PORT_DATA);
len = ANY_SERIES(arg) ? VAL_TAIL(arg) : 0;
SET_INTEGER(D_OUT, len);
break;
case A_OPEN:
result = OS_DO_DEVICE(sock, RDC_CONNECT);
if (result < 0) Trap_Port_DEAD_END(RE_NO_CONNECT, port, sock->error);
break;
//Trap_Port_DEAD_END(RE_ALREADY_OPEN, port);
case A_DELETE: // Temporary to TEST error handler!
{
REBVAL *event = Append_Event(); // sets signal
VAL_SET(event, REB_EVENT); // (has more space, if we need it)
VAL_EVENT_TYPE(event) = EVT_ERROR;
VAL_EVENT_DATA(event) = 101;
VAL_EVENT_REQ(event) = sock;
}
break;
default:
Trap_Action_DEAD_END(REB_PORT, action);
}
return R_OUT;
}
