--- mqtt/src/utils.c	2011/11/29 23:31:57	1.1.2.1
+++ mqtt/src/utils.c	2012/04/15 21:44:33	1.2.2.2
@@ -1,3 +1,72 @@
 #include "global.h"
 
 
+int
+srv_Socket(cfg_root_t * __restrict cfg)
+{
+	int s = -1, n = 1;
+	struct hostent *host;
+	ait_val_t v;
+	u_short port;
+	io_sockaddr_t sa;
+
+	ioTRACE(2);
+
+	cfg_loadAttribute(cfg, "mqttd", "port", &v, MQTT_PORT);
+	port = strtol(AIT_GET_STR(&v), NULL, 0);
+	AIT_FREE_VAL(&v);
+	cfg_loadAttribute(cfg, "mqttd", "listen", &v, MQTT_HOST);
+
+	host = gethostbyname(AIT_GET_STR(&v));
+	AIT_FREE_VAL(&v);
+	if (!host) {
+		ioERROR(h_errno, "%s", hstrerror(h_errno));
+		return -1;
+	}
+	switch (host->h_addrtype) {
+		case AF_INET:
+			sa.sin.sin_len = sizeof(struct sockaddr_in);
+			sa.sin.sin_family = AF_INET;
+			sa.sin.sin_port = htons(port);
+			memcpy(&sa.sin.sin_addr, host->h_addr, sizeof sa.sin.sin_addr);
+			break;
+		case AF_INET6:
+			sa.sin6.sin6_len = sizeof(struct sockaddr_in6);
+			sa.sin6.sin6_family = AF_INET6;
+			sa.sin6.sin6_port = htons(port);
+			memcpy(&sa.sin6.sin6_addr, host->h_addr, sizeof sa.sin6.sin6_addr);
+			break;
+		default:
+			ioERROR(host->h_addrtype, "unsupported socket type");
+			return -1;
+	}
+
+	s = socket(sa.ss.ss_family, SOCK_STREAM, 0);
+	if (s == -1) {
+		ioSYSERR(0);
+		return -1;
+	}
+	if (setsockopt(s, SOL_SOCKET, SO_REUSEADDR, &n, sizeof n) == -1) {
+		ioSYSERR(0);
+		close(s);
+		return -1;
+	}
+	if (bind(s, (struct sockaddr*) &sa.ss, sa.ss.ss_len) == -1) {
+		ioSYSERR(0);
+		close(s);
+		return -1;
+	}
+
+	return s;
+}
+
+int
+srv_Close(int s)
+{
+	ioTRACE(2);
+
+	if (s > STDERR_FILENO)
+		shutdown(s, SHUT_RDWR);
+
+	return close(s);
+}