1 files changed, 205 insertions, 0 deletions
diff --git a/netsock.c b/netsock.c
new file mode 100755
index 000000000..0219427cf
--- /dev/null
+++ b/netsock.c
@@ -0,0 +1,205 @@
+/*
+ * Asterisk -- A telephony toolkit for Linux.
+ *
+ * Network socket handling
+ * 
+ * Copyright (C) 2004-2005, Digium, Inc.
+ *
+ * Mark Spencer <markster@digium.com>
+ * Kevin P. Fleming <kpfleming@digium.com>
+ *
+ * This program is free software, distributed under the terms of
+ * the GNU General Public License
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <sys/time.h>
+#include <signal.h>
+#include <errno.h>
+#include <unistd.h>
+#include <netinet/in.h>
+#include <arpa/inet.h>
+#include <sys/socket.h>
+#include <netdb.h>
+#include <net/if.h>
+#include <netinet/in_systm.h>
+#include <netinet/ip.h>
+#include <sys/ioctl.h>
+
+#if defined(__OpenBSD__) || defined(__NetBSD__) || defined(__FreeBSD__)
+#include <fcntl.h>
+#include <net/route.h>
+#endif
+
+#if defined (SOLARIS)
+#include <sys/sockio.h>
+#endif
+
+#include "asterisk.h"
+
+ASTERISK_FILE_VERSION(__FILE__, "$Revision$")
+
+#include "asterisk/netsock.h"
+#include "asterisk/logger.h"
+#include "asterisk/channel.h"
+#include "asterisk/options.h"
+#include "asterisk/utils.h"
+#include "asterisk/lock.h"
+#include "asterisk/srv.h"
+
+struct ast_netsock {
+	ASTOBJ_COMPONENTS(struct ast_netsock);
+	struct sockaddr_in bindaddr;
+	int sockfd;
+	int *ioref;
+	struct io_context *ioc;
+	void *data;
+};
+
+struct ast_netsock_list {
+	ASTOBJ_CONTAINER_COMPONENTS(struct ast_netsock);
+	struct io_context *ioc;
+};
+
+static void ast_netsock_destroy(struct ast_netsock *netsock)
+{
+	ast_io_remove(netsock->ioc, netsock->ioref);
+	close(netsock->sockfd);
+	free(netsock);
+}
+
+struct ast_netsock_list *ast_netsock_list_alloc(void)
+{
+	struct ast_netsock_list *res;
+
+	res = calloc(1, sizeof(*res));
+
+	return res;
+}
+
+int ast_netsock_init(struct ast_netsock_list *list)
+{
+	memset(list, 0, sizeof(*list));
+	ASTOBJ_CONTAINER_INIT(list);
+
+	return 0;
+}
+
+int ast_netsock_release(struct ast_netsock_list *list)
+{
+	ASTOBJ_CONTAINER_DESTROYALL(list, ast_netsock_destroy);
+	ASTOBJ_CONTAINER_DESTROY(list);
+
+	return 0;
+}
+
+struct ast_netsock *ast_netsock_find(struct ast_netsock_list *list,
+				     struct sockaddr_in *sa)
+{
+	struct ast_netsock *sock = NULL;
+
+	ASTOBJ_CONTAINER_TRAVERSE(list, !sock, {
+		ASTOBJ_RDLOCK(iterator);
+		if (!inaddrcmp(&iterator->bindaddr, sa))
+			sock = iterator;
+		ASTOBJ_UNLOCK(iterator);
+	});
+
+	return sock;
+}
+
+struct ast_netsock *ast_netsock_bindaddr(struct ast_netsock_list *list, struct io_context *ioc, struct sockaddr_in *bindaddr, int tos, ast_io_cb callback, void *data)
+{
+	int netsocket = -1;
+	int *ioref;
+	char iabuf[INET_ADDRSTRLEN];
+	
+	struct ast_netsock *ns;
+	
+	/* Make a UDP socket */
+	netsocket = socket(AF_INET, SOCK_DGRAM, IPPROTO_IP);
+	
+	if (netsocket < 0) {
+		ast_log(LOG_ERROR, "Unable to create network socket: %s\n", strerror(errno));
+		return NULL;
+	}
+	if (bind(netsocket,(struct sockaddr *)bindaddr, sizeof(struct sockaddr_in))) {
+		ast_log(LOG_ERROR, "Unable to bind to %s port %d: %s\n", ast_inet_ntoa(iabuf, sizeof(iabuf), bindaddr->sin_addr), ntohs(bindaddr->sin_port), strerror(errno));
+		close(netsocket);
+		return NULL;
+	}
+	if (option_verbose > 1)
+		ast_verbose(VERBOSE_PREFIX_2 "Using TOS bits %d\n", tos);
+
+	if (setsockopt(netsocket, IPPROTO_IP, IP_TOS, &tos, sizeof(tos))) 
+		ast_log(LOG_WARNING, "Unable to set TOS to %d\n", tos);
+
+	ns = malloc(sizeof(struct ast_netsock));
+	if (ns) {
+		/* Establish I/O callback for socket read */
+		ioref = ast_io_add(ioc, netsocket, callback, AST_IO_IN, ns);
+		if (!ioref) {
+			ast_log(LOG_WARNING, "Out of memory!\n");
+			close(netsocket);
+			free(ns);
+			return NULL;
+		}	
+		ASTOBJ_INIT(ns);
+		ns->ioref = ioref;
+		ns->ioc = ioc;
+		ns->sockfd = netsocket;
+		ns->data = data;
+		memcpy(&ns->bindaddr, bindaddr, sizeof(ns->bindaddr));
+		ASTOBJ_CONTAINER_LINK(list, ns);
+	} else {
+		ast_log(LOG_WARNING, "Out of memory!\n");
+		close(netsocket);
+	}
+
+	return ns;
+}
+
+struct ast_netsock *ast_netsock_bind(struct ast_netsock_list *list, struct io_context *ioc, const char *bindinfo, int defaultport, int tos, ast_io_cb callback, void *data)
+{
+	struct sockaddr_in sin;
+	char *tmp;
+	char *host;
+	char *port;
+	int portno;
+
+	memset(&sin, 0, sizeof(sin));
+	sin.sin_family = AF_INET;
+	sin.sin_port = htons(defaultport);
+	tmp = ast_strdupa(bindinfo);
+	if (!tmp) {
+		ast_log(LOG_WARNING, "Out of memory!\n");
+		return NULL;
+	}
+
+	host = strsep(&tmp, ":");
+	port = tmp;
+
+	if (port && ((portno = atoi(port)) > 0))
+		sin.sin_port = htons(portno);
+
+	inet_aton(host, &sin.sin_addr);
+
+	return ast_netsock_bindaddr(list, ioc, &sin, tos, callback, data);
+}
+
+int ast_netsock_sockfd(const struct ast_netsock *ns)
+{
+	return ns ? ns-> sockfd : -1;
+}
+
+const struct sockaddr_in *ast_netsock_boundaddr(const struct ast_netsock *ns)
+{
+	return &(ns->bindaddr);
+}
+
+void *ast_netsock_data(const struct ast_netsock *ns)
+{
+	return ns->data;
+}