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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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4
H316/h316_udp.c
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@@ -235,8 +235,8 @@ t_stat udp_parse_remote (int32 link, char *premote)
premote = end+1;
}
ret = sim_parse_addr (premote, host, sizeof(host), "localhost", port, sizeof(port), NULL, NULL);
if (ret != SCPE_OK) return SCPE_ARG;
if (sim_parse_addr (premote, host, sizeof(host), "localhost", port, sizeof(port), NULL, NULL))
return SCPE_ARG;
sprintf (udp_links[link].rhostport, "%s:%s", host, port);
if (udp_links[link].lport[0] == '\0')
strcpy (udp_links[link].lport, port);