[Asterisk-cvs] asterisk netsock.c, NONE, 1.1 Makefile, 1.184, 1.185 acl.c, 1.49, 1.50

kpfleming at lists.digium.com kpfleming at lists.digium.com
Tue Jul 19 19:09:42 CDT 2005


Update of /usr/cvsroot/asterisk
In directory mongoose.digium.com:/tmp/cvs-serv19368

Modified Files:
	Makefile acl.c 
Added Files:
	netsock.c 
Log Message:
split acl and netsock code into separate files, in preparation for new netsock implementation
various minor cleanups


--- NEW FILE: netsock.c ---
/*
 * Asterisk -- A telephony toolkit for Linux.
 *
 * Network socket handling
 * 
 * Copyright (C) 2004-2005, Digium, Inc.
 *
 * Mark Spencer <markster at digium.com>
 * Kevin P. Fleming <kpfleming at 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: 1.1 $")

#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;
}

Index: Makefile
===================================================================
RCS file: /usr/cvsroot/asterisk/Makefile,v
retrieving revision 1.184
retrieving revision 1.185
diff -u -d -r1.184 -r1.185
--- Makefile	18 Jul 2005 20:09:09 -0000	1.184
+++ Makefile	19 Jul 2005 23:17:02 -0000	1.185
@@ -275,7 +275,8 @@
 	cdr.o tdd.o acl.o rtp.o manager.o asterisk.o \
 	dsp.o chanvars.o indications.o autoservice.o db.o privacy.o \
 	astmm.o enum.o srv.o dns.o aescrypt.o aestab.o aeskey.o \
-	utils.o config_old.o plc.o jitterbuf.o dnsmgr.o devicestate.o
+	utils.o config_old.o plc.o jitterbuf.o dnsmgr.o devicestate.o \
+	netsock.o
 ifeq (${OSARCH},Darwin)
 OBJS+=poll.o dlfcn.o
 ASTLINK=-Wl,-dynamic

Index: acl.c
===================================================================
RCS file: /usr/cvsroot/asterisk/acl.c,v
retrieving revision 1.49
retrieving revision 1.50
diff -u -d -r1.49 -r1.50
--- acl.c	12 Jul 2005 02:19:41 -0000	1.49
+++ acl.c	19 Jul 2005 23:17:02 -0000	1.50
@@ -3,9 +3,9 @@
  *
  * Various sorts of access control
  * 
- * Copyright (C) 1999, Mark Spencer
+ * Copyright (C) 1999-2005, Digium, Inc.
  *
- * Mark Spencer <markster at linux-support.net>
+ * Mark Spencer <markster at digium.com>
  *
  * This program is free software, distributed under the terms of
  * the GNU General Public License
@@ -52,16 +52,6 @@
 AST_MUTEX_DEFINE_STATIC(routeseq_lock);
 #endif
 
-struct ast_netsock {
-	ASTOBJ_COMPONENTS(struct ast_netsock);
-	struct sockaddr_in bindaddr;
-	int sockfd;
-	int *ioref;
-	struct io_context *ioc;
-	void *data;
-};
-
-
 struct ast_ha {
 	/* Host access rule */
 	struct in_addr netaddr;
@@ -294,135 +284,6 @@
 	return 0;
 }
 
-int ast_netsock_sockfd(struct ast_netsock *ns)
-{
-	if (ns)
-		return ns->sockfd;
-	return -1;
-}
-
-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;
-}
-
-static void ast_netsock_destroy(struct ast_netsock *netsock)
-{
-	ast_io_remove(netsock->ioc, netsock->ioref);
-	close(netsock->sockfd);
-	free(netsock);
-}
-
-int ast_netsock_init(struct ast_netsock_list *list)
-{
-	memset(list, 0, sizeof(struct ast_netsock_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;
-}
-
-
-const struct sockaddr_in *ast_netsock_boundaddr(struct ast_netsock *ns)
-{
-	return &(ns->bindaddr);
-}
-
-void *ast_netsock_data(struct ast_netsock *ns)
-{
-	return ns->data;
-}
-
-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 *port;
-	int portno;
-	memset(&sin, 0, sizeof(sin));
-	sin.sin_family = AF_INET;
-	sin.sin_port = htons(defaultport);
-	tmp = ast_strdupa(bindinfo);
-	if (tmp) {
-		port = strchr(tmp, ':');
-		if (port) {
-			*port = '\0';
-			port++;
-			if ((portno = atoi(port)) > 0) 
-				sin.sin_port = htons(portno);
-		}
-		inet_aton(tmp, &sin.sin_addr);
-		return ast_netsock_bindaddr(list, ioc, &sin, tos, callback, data);
-	} else
-		ast_log(LOG_WARNING, "Out of memory!\n");
-	return NULL;
-}
-
 int ast_find_ourip(struct in_addr *ourip, struct sockaddr_in bindaddr)
 {
 	char ourhost[MAXHOSTNAMELEN]="";




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