[svn-commits] trunk r32327 - in /trunk: ./ channels/
include/asterisk/
svn-commits at lists.digium.com
svn-commits at lists.digium.com
Mon Jun 5 09:17:32 MST 2006
Author: russell
Date: Mon Jun 5 11:17:31 2006
New Revision: 32327
URL: http://svn.digium.com/view/asterisk?rev=32327&view=rev
Log:
revert the changes to allow chan_iax2 to use dnsmgr for registrations.
my concerns are listed in issue #6305
Modified:
trunk/channels/chan_iax2.c
trunk/dnsmgr.c
trunk/include/asterisk/dnsmgr.h
Modified: trunk/channels/chan_iax2.c
URL: http://svn.digium.com/view/asterisk/trunk/channels/chan_iax2.c?rev=32327&r1=32326&r2=32327&view=diff
==============================================================================
--- trunk/channels/chan_iax2.c (original)
+++ trunk/channels/chan_iax2.c Mon Jun 5 11:17:31 2006
@@ -416,7 +416,6 @@
int callno; /*!< Associated call number if applicable */
struct sockaddr_in us; /*!< Who the server thinks we are */
struct iax2_registry *next;
- struct ast_dnsmgr_entry *dnsmgr; /*!< DNS refresh manager */
};
static struct iax2_registry *registrations;
@@ -1895,7 +1894,7 @@
} else if ((peer = find_peer(argv[3], 0))) {
if(ast_test_flag(peer, IAX_RTCACHEFRIENDS)) {
ast_set_flag(peer, IAX_RTAUTOCLEAR);
- expire_registry(peer);
+ expire_registry(peer->name);
ast_cli(fd, "OK peer %s was removed from the cache.\n", argv[3]);
} else {
ast_cli(fd, "SORRY peer %s is not eligible for this operation.\n", argv[3]);
@@ -2533,7 +2532,7 @@
if (ast_test_flag(peer, IAX_RTAUTOCLEAR)) {
if (peer->expire > -1)
ast_sched_del(sched, peer->expire);
- peer->expire = ast_sched_add(sched, (global_rtautoclear) * 1000, expire_registry, (void*)peer);
+ peer->expire = ast_sched_add(sched, (global_rtautoclear) * 1000, expire_registry, (void*)peer->name);
}
AST_LIST_LOCK(&peers);
AST_LIST_INSERT_HEAD(&peers, peer, entry);
@@ -4305,8 +4304,8 @@
static int iax2_show_registry(int fd, int argc, char *argv[])
{
-#define FORMAT2 "%-20.20s %-6.6s %-10.10s %-20.20s %8.8s %s\n"
-#define FORMAT "%-20.20s %-6.6s %-10.10s %-20.20s %8d %s\n"
+#define FORMAT2 "%-20.20s %-10.10s %-20.20s %8.8s %s\n"
+#define FORMAT "%-20.20s %-10.10s %-20.20s %8d %s\n"
struct iax2_registry *reg = NULL;
char host[80];
@@ -4315,7 +4314,7 @@
if (argc != 3)
return RESULT_SHOWUSAGE;
AST_LIST_LOCK(&peers);
- ast_cli(fd, FORMAT2, "Host", "dnsmgr", "Username", "Perceived", "Refresh", "State");
+ ast_cli(fd, FORMAT2, "Host", "Username", "Perceived", "Refresh", "State");
for (reg = registrations;reg;reg = reg->next) {
snprintf(host, sizeof(host), "%s:%d", ast_inet_ntoa(iabuf, sizeof(iabuf), reg->addr.sin_addr), ntohs(reg->addr.sin_port));
if (reg->us.sin_addr.s_addr)
@@ -4323,7 +4322,6 @@
else
ast_copy_string(perceived, "<Unregistered>", sizeof(perceived));
ast_cli(fd, FORMAT, host,
- (reg->dnsmgr) ? "Y" : "N",
reg->username, perceived, reg->refresh, regstate2str(reg->regstate));
}
AST_LIST_UNLOCK(&peers);
@@ -5449,6 +5447,7 @@
char *porta;
char *stringp=NULL;
+ struct ast_hostent ahp; struct hostent *hp;
if (!value)
return -1;
ast_copy_string(copy, value, sizeof(copy));
@@ -5470,18 +5469,20 @@
ast_log(LOG_WARNING, "%s is not a valid port number at line %d\n", porta, lineno);
return -1;
}
+ hp = ast_gethostbyname(hostname, &ahp);
+ if (!hp) {
+ ast_log(LOG_WARNING, "Host '%s' not found at line %d\n", hostname, lineno);
+ return -1;
+ }
if (!(reg = ast_calloc(1, sizeof(*reg))))
return -1;
- if (ast_dnsmgr_lookup(hostname, ®->addr.sin_addr, ®->dnsmgr) < 0) {
- free(reg);
- return -1;
- }
ast_copy_string(reg->username, username, sizeof(reg->username));
if (secret)
ast_copy_string(reg->secret, secret, sizeof(reg->secret));
reg->expire = -1;
reg->refresh = IAX_DEFAULT_REG_EXPIRE;
reg->addr.sin_family = AF_INET;
+ memcpy(®->addr.sin_addr, hp->h_addr, sizeof(®->addr.sin_addr));
reg->addr.sin_port = porta ? htons(atoi(porta)) : htons(IAX_DEFAULT_PORTNO);
reg->next = registrations;
reg->callno = 0;
@@ -5511,7 +5512,26 @@
static void __expire_registry(void *data)
{
- struct iax2_peer *p = data;
+ char *name = data;
+ struct iax2_peer *p = NULL;
+
+ /* Go through and grab this peer... and if it needs to be removed... then do it */
+ AST_LIST_LOCK(&peers);
+ AST_LIST_TRAVERSE_SAFE_BEGIN(&peers, p, entry) {
+ if (!strcasecmp(p->name, name)) {
+ /* If we are set to auto clear then remove ourselves */
+ if (ast_test_flag(p, IAX_RTAUTOCLEAR))
+ AST_LIST_REMOVE_CURRENT(&peers, entry);
+ p->expire = -1;
+ break;
+ }
+ }
+ AST_LIST_TRAVERSE_SAFE_END
+ AST_LIST_UNLOCK(&peers);
+
+ /* Peer is already gone for whatever reason */
+ if (!p)
+ return;
ast_log(LOG_DEBUG, "Expiring registration for peer '%s'\n", p->name);
manager_event(EVENT_FLAG_SYSTEM, "PeerStatus", "Peer: IAX2/%s\r\nPeerStatus: Unregistered\r\nCause: Expired\r\n", p->name);
@@ -5528,18 +5548,16 @@
if (ast_test_flag(p, IAX_RTAUTOCLEAR)) {
/* We are already gone from the list, so we can just destroy ourselves */
- AST_LIST_LOCK(&peers);
- AST_LIST_REMOVE(&peers, p, entry);
- AST_LIST_UNLOCK(&peers);
destroy_peer(p);
}
}
static int expire_registry(void *data)
{
- struct iax2_peer *p = data;
- p->expire = -1;
- __expire_registry(p);
+#ifdef SCHED_MULTITHREADED
+ if (schedule_action(__expire_registry, data))
+#endif
+ __expire_registry(data);
return 0;
}
@@ -5573,7 +5591,7 @@
if (p->expire > -1)
ast_sched_del(sched, p->expire);
ast_device_state_changed("IAX2/%s", p->name); /* Activate notification */
- p->expire = ast_sched_add(sched, (p->expiry + 10) * 1000, expire_registry, (void *)p);
+ p->expire = ast_sched_add(sched, (p->expiry + 10) * 1000, expire_registry, (void *)p->name);
if (iax2_regfunk)
iax2_regfunk(p->name, 1);
register_peer_exten(p, 1);
@@ -5651,7 +5669,7 @@
p->expiry = refresh;
}
if (p->expiry && sin->sin_addr.s_addr)
- p->expire = ast_sched_add(sched, (p->expiry + 10) * 1000, expire_registry, (void *)p);
+ p->expire = ast_sched_add(sched, (p->expiry + 10) * 1000, expire_registry, (void *)p->name);
iax_ie_append_str(&ied, IAX_IE_USERNAME, p->name);
iax_ie_append_int(&ied, IAX_IE_DATETIME, iax2_datetime(p->zonetag));
if (sin->sin_addr.s_addr) {
@@ -7723,31 +7741,6 @@
struct iax_ie_data ied;
if (option_debug && iaxdebug)
ast_log(LOG_DEBUG, "Sending registration request for '%s'\n", reg->username);
-
- if (reg->dnsmgr &&
- ((reg->regstate == REG_STATE_TIMEOUT) || !reg->addr.sin_addr.s_addr)) {
- /* Maybe the IP has changed, force DNS refresh */
- ast_dnsmgr_refresh(reg->dnsmgr, 1);
- }
-
- /*
- * if IP has Changed, free allocated call to create a new one with new IP
- * call has the pointer to IP and must be updated to the new one
- */
- if (reg->dnsmgr && ast_dnsmgr_changed(reg->dnsmgr) && (reg->callno > 0)) {
- iax2_destroy(reg->callno);
- reg->callno = 0;
- }
- if (!reg->addr.sin_addr.s_addr) {
- if (option_debug && iaxdebug)
- ast_log(LOG_DEBUG, "Unable to send registration request for '%s' without IP address\n", reg->username);
- /* Setup the next registration attempt */
- if (reg->expire > -1)
- ast_sched_del(sched, reg->expire);
- reg->expire = ast_sched_add(sched, (5 * reg->refresh / 6) * 1000, iax2_do_register_s, reg);
- return -1;
- }
-
if (!reg->callno) {
if (option_debug)
ast_log(LOG_DEBUG, "Allocate call number\n");
@@ -8640,8 +8633,6 @@
}
ast_mutex_unlock(&iaxsl[regl->callno]);
}
- if (regl->dnsmgr)
- ast_dnsmgr_release(regl->dnsmgr);
free(regl);
}
registrations = NULL;
Modified: trunk/dnsmgr.c
URL: http://svn.digium.com/view/asterisk/trunk/dnsmgr.c?rev=32327&r1=32326&r2=32327&view=diff
==============================================================================
--- trunk/dnsmgr.c (original)
+++ trunk/dnsmgr.c Mon Jun 5 11:17:31 2006
@@ -53,11 +53,9 @@
static pthread_t refresh_thread = AST_PTHREADT_NULL;
struct ast_dnsmgr_entry {
- struct in_addr *result; /* where we will store the resulting address */
- struct in_addr last; /* the last result, used to check if address has changed */
- int changed;
+ struct in_addr *result;
AST_LIST_ENTRY(ast_dnsmgr_entry) list;
- char name[1]; /* just 1 here, but we use calloc to allocate the correct size */
+ char name[1];
};
static AST_LIST_HEAD_STATIC(entry_list, ast_dnsmgr_entry);
@@ -106,8 +104,6 @@
AST_LIST_LOCK(&entry_list);
AST_LIST_REMOVE(&entry_list, entry, list);
AST_LIST_UNLOCK(&entry_list);
- if (option_verbose > 4)
- ast_verbose(VERBOSE_PREFIX_4 "removing dns manager for '%s'\n", entry->name);
free(entry);
}
@@ -120,7 +116,7 @@
return 0;
if (option_verbose > 3)
- ast_verbose(VERBOSE_PREFIX_3 "doing dnsmgr_lookup for '%s'\n", name);
+ ast_verbose(VERBOSE_PREFIX_3 "doing lookup for '%s'\n", name);
/* if it's actually an IP address and not a name,
there's no need for a managed lookup */
@@ -138,56 +134,10 @@
return 0;
} else {
if (option_verbose > 2)
- ast_verbose(VERBOSE_PREFIX_2 "adding dns manager for '%s'\n", name);
+ ast_verbose(VERBOSE_PREFIX_2 "adding manager for '%s'\n", name);
*dnsmgr = ast_dnsmgr_get(name, result);
return !*dnsmgr;
}
-}
-
-/*
- * Refresh a dnsmgr entry
- *
- * XXX maybe we must lock the entry to make safer
- */
-int ast_dnsmgr_refresh(struct ast_dnsmgr_entry *entry, int verbose)
-{
- struct ast_hostent ahp;
- struct hostent *hp;
- char iabuf[INET_ADDRSTRLEN];
- char iabuf2[INET_ADDRSTRLEN];
- struct in_addr tmp;
-
- if (verbose && (option_verbose > 2))
- ast_verbose(VERBOSE_PREFIX_2 "refreshing '%s'\n", entry->name);
-
- if ((hp = ast_gethostbyname(entry->name, &ahp))) {
- /* check to see if it has changed, do callback if requested (where de callback is defined ????) */
- memcpy(&tmp, hp->h_addr, sizeof(tmp));
- if (tmp.s_addr != entry->last.s_addr) {
- ast_log(LOG_NOTICE, "host '%s' changed from %s to %s\n",
- entry->name,
- ast_inet_ntoa(iabuf, sizeof(iabuf), entry->last),
- ast_inet_ntoa(iabuf2, sizeof(iabuf2), tmp));
-
- memcpy(entry->result, hp->h_addr, sizeof(entry->result));
- memcpy(&entry->last, hp->h_addr, sizeof(entry->last));
- entry->changed = 1;
- return 1;
- }
-
- }
- return 0;
-}
-
-/*
- * Check if dnsmgr entry has changed from since last call to this function
- */
-int ast_dnsmgr_changed(struct ast_dnsmgr_entry *entry)
-{
- int ret = entry->changed;
- entry->changed = 0;
-
- return ret;
}
static void *do_refresh(void *data)
@@ -205,6 +155,8 @@
{
struct refresh_info *info = data;
struct ast_dnsmgr_entry *entry;
+ struct ast_hostent ahp;
+ struct hostent *hp;
/* if a refresh or reload is already in progress, exit now */
if (ast_mutex_trylock(&refresh_lock)) {
@@ -220,7 +172,13 @@
if (info->regex_present && regexec(&info->filter, entry->name, 0, NULL, 0))
continue;
- ast_dnsmgr_refresh(entry, info->verbose);
+ if (info->verbose && (option_verbose > 2))
+ ast_verbose(VERBOSE_PREFIX_2 "refreshing '%s'\n", entry->name);
+
+ if ((hp = ast_gethostbyname(entry->name, &ahp))) {
+ /* check to see if it has changed, do callback if requested */
+ memcpy(entry->result, hp->h_addr, sizeof(entry->result));
+ }
}
AST_LIST_UNLOCK(info->entries);
Modified: trunk/include/asterisk/dnsmgr.h
URL: http://svn.digium.com/view/asterisk/trunk/include/asterisk/dnsmgr.h?rev=32327&r1=32326&r2=32327&view=diff
==============================================================================
--- trunk/include/asterisk/dnsmgr.h (original)
+++ trunk/include/asterisk/dnsmgr.h Mon Jun 5 11:17:31 2006
@@ -37,10 +37,6 @@
int ast_dnsmgr_lookup(const char *name, struct in_addr *result, struct ast_dnsmgr_entry **dnsmgr);
-int ast_dnsmgr_refresh(struct ast_dnsmgr_entry *entry, int verbose);
-
-int ast_dnsmgr_changed(struct ast_dnsmgr_entry *entry);
-
#if defined(__cplusplus) || defined(c_plusplus)
}
#endif /* c_plusplus */
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