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SOCKETS: Cleanup, simplify and extend the sim_sock API set.

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Cleanup/Simplification by:
	1) removing irrelevant master flag variable from sim_close_sock and thus sim_err_sock
	2) change previous boolean feature arguments (datagram, nodelay, reuseaddr) to flag bits in a single option argument.  This allows for features to be added by new flag bits which don't change the calling signatures.
	3) changed all status returns to be int (vs t_stat) with success being 0 and error being -1
	4) removed unneeded simh specific type references to allow sim_sock to be used by n
Extended API by providing flags to influence socket setup/behavior:
	SIM_SOCK_OPT_REUSEADDR	Retains prior behavior when sim_switches had -U set
	SIM_SOCK_OPT_DATAGRAM	UDP socket setup provided for when prior datagram argument was specified
	SIM_SOCK_OPT_NODELAY		TCP Nagle disable provided for when prior nodelay argument was specified
	SIM_SOCK_OPT_BLOCKING	Blocking socket mode (detault is non blocking)
This commit is contained in:
Mark Pizzolato
2015-02-11 09:41:18 -08:00
parent 5b4e9d5891
commit 1fb209c275
8 changed files with 192 additions and 180 deletions
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8
PDP11/pdp11_dmc.c
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@@ -1258,20 +1258,18 @@ t_stat dmc_setpeer (UNIT* uptr, int32 val, char* cptr, void* desc)
DEVICE *dptr = (UNIBUS) ? ((&dmc_dev == find_dev_from_unit(uptr)) ? &dmc_dev : &dmp_dev) : &dmv_dev;
int32 dmc = (int32)(uptr-dptr->units);
char *peer = ((dptr == &dmc_dev)? &dmc_peer[dmc][0] : &dmp_peer[dmc][0]);
t_stat status = SCPE_OK;
char host[CBUFSIZE], port[CBUFSIZE];
if ((!cptr) || (!*cptr))
return SCPE_ARG;
if (dmc_is_attached(uptr))
return SCPE_ALATT;
status = sim_parse_addr (cptr, host, sizeof(host), NULL, port, sizeof(port), NULL, NULL);
if (status != SCPE_OK)
return status;
if (sim_parse_addr (cptr, host, sizeof(host), NULL, port, sizeof(port), NULL, NULL))
return SCPE_ARG;
if (host[0] == '\0')
return SCPE_ARG;
strncpy(peer, cptr, CBUFSIZE-1);
return status;
return SCPE_OK;
}
t_stat dmc_showspeed (FILE* st, UNIT* uptr, int32 val, void* desc)