[asterisk-commits] trunk - r7734 /trunk/channels/chan_sip.c
asterisk-commits at lists.digium.com
asterisk-commits at lists.digium.com
Tue Jan 3 06:25:34 CST 2006
Author: oej
Date: Tue Jan 3 06:25:32 2006
New Revision: 7734
URL: http://svn.digium.com/view/asterisk?rev=7734&view=rev
Log:
Issue #5954: Implement printf-like append_history and implement AST_LIST for SIP history (rizzo)
Modified:
trunk/channels/chan_sip.c
Modified: trunk/channels/chan_sip.c
URL: http://svn.digium.com/view/asterisk/trunk/channels/chan_sip.c?rev=7734&r1=7733&r2=7734&view=diff
==============================================================================
--- trunk/channels/chan_sip.c (original)
+++ trunk/channels/chan_sip.c Tue Jan 3 06:25:32 2006
@@ -500,9 +500,11 @@
/*! \brief sip_history: Structure for saving transactions within a SIP dialog */
struct sip_history {
- char event[80];
- struct sip_history *next;
+ AST_LIST_ENTRY(sip_history) list;
+ char event[0]; /* actually more, depending on needs */
};
+
+AST_LIST_HEAD_NOLOCK(sip_history_head, sip_history); /*!< history list, entry in sip_pvt */
/*! \brief sip_auth: Creadentials for authentication to other SIP services */
struct sip_auth {
@@ -695,7 +697,7 @@
struct ast_rtp *rtp; /*!< RTP Session */
struct ast_rtp *vrtp; /*!< Video RTP session */
struct sip_pkt *packets; /*!< Packets scheduled for re-transmission */
- struct sip_history *history; /*!< History of this SIP dialog */
+ struct sip_history_head *history; /*!< History of this SIP dialog */
struct ast_variable *chanvars; /*!< Channel variables to set for call */
struct sip_pvt *next; /*!< Next call in chain */
struct sip_invite_param *options; /*!< Options for INVITE */
@@ -1128,40 +1130,51 @@
return 0;
}
-/*! \brief append_history: Append to SIP dialog history */
-/* Always returns 0 */
-static int append_history(struct sip_pvt *p, const char *event, const char *data)
-{
- struct sip_history *hist, *prev;
- char *c;
+/*! \brief append_history: Append to SIP dialog history
+ \return Always returns 0 */
+#define append_history(p, event, fmt , args... ) append_history_full(p, "%-15s " fmt, event, ## args)
+
+static int append_history_full(struct sip_pvt *p, const char *fmt, ...)
+ __attribute__ ((format (printf, 2, 3)));
+
+/*! \brief Append to SIP dialog history with arg list */
+static void append_history_va(struct sip_pvt *p, const char *fmt, va_list ap)
+{
+ char buf[80], *c = buf; /* max history length */
+ struct sip_history *hist;
+ int l;
+
+ vsnprintf(buf, sizeof(buf), fmt, ap);
+ strsep(&c, "\r\n"); /* Trim up everything after \r or \n */
+ l = strlen(buf) + 1;
+ hist = calloc(1, sizeof(*hist) + l);
+ if (!hist) {
+ ast_log(LOG_WARNING, "Can't allocate memory for history");
+ return;
+ }
+ if (p->history == NULL)
+ p->history = calloc(1, sizeof(struct sip_history_head));
+ if (p->history == NULL) {
+ ast_log(LOG_WARNING, "Can't allocate memory for history head");
+ free(hist);
+ return;
+ }
+ memcpy(hist->event, buf, l);
+ AST_LIST_INSERT_TAIL(p->history, hist, list);
+}
+
+/*! \brief Append to SIP dialog history with arg list */
+static int append_history_full(struct sip_pvt *p, const char *fmt, ...)
+{
+ va_list ap;
if (!recordhistory || !p)
return 0;
- if(!(hist = malloc(sizeof(struct sip_history)))) {
- ast_log(LOG_WARNING, "Can't allocate memory for history");
- return 0;
- }
- memset(hist, 0, sizeof(struct sip_history));
- snprintf(hist->event, sizeof(hist->event), "%-15s %s", event, data);
- /* Trim up nicely */
- c = hist->event;
- while(*c) {
- if ((*c == '\r') || (*c == '\n')) {
- *c = '\0';
- break;
- }
- c++;
- }
- /* Enqueue into history */
- prev = p->history;
- if (prev) {
- while(prev->next)
- prev = prev->next;
- prev->next = hist;
- } else {
- p->history = hist;
- }
- return 0;
+ va_start(ap, fmt);
+ append_history_va(p, fmt, ap);
+ va_end(ap);
+
+ return 0;
}
/*! \brief retrans_pkt: Retransmit SIP message if no answer ---*/
@@ -1175,8 +1188,6 @@
ast_mutex_lock(&pkt->owner->lock);
if (pkt->retrans < MAX_RETRANS) {
- char buf[80];
-
pkt->retrans++;
if (!pkt->timer_t1) { /* Re-schedule using timer_a and timer_t1 */
if (sipdebug && option_debug > 3)
@@ -1208,9 +1219,8 @@
else
ast_verbose("Retransmitting #%d (no NAT) to %s:%d:\n%s\n---\n", pkt->retrans, ast_inet_ntoa(iabuf, sizeof(iabuf), pkt->owner->sa.sin_addr), ntohs(pkt->owner->sa.sin_port), pkt->data);
}
- snprintf(buf, sizeof(buf), "ReTx %d", reschedule);
-
- append_history(pkt->owner, buf, pkt->data);
+
+ append_history(pkt->owner, "ReTx", "%d %s", reschedule, pkt->data);
__sip_xmit(pkt->owner, pkt->data, pkt->packetlen);
ast_mutex_unlock(&pkt->owner->lock);
return reschedule;
@@ -1221,7 +1231,7 @@
if ((pkt->method == SIP_OPTIONS) && sipdebug)
ast_log(LOG_WARNING, "Cancelling retransmit of OPTIONs (call id %s) \n", pkt->owner->callid);
}
- append_history(pkt->owner, "MaxRetries", (ast_test_flag(pkt, FLAG_FATAL)) ? "(Critical)" : "(Non-critical)");
+ append_history(pkt->owner, "MaxRetries", "%s", (ast_test_flag(pkt, FLAG_FATAL)) ? "(Critical)" : "(Non-critical)");
pkt->retransid = -1;
@@ -1333,13 +1343,10 @@
/*! \brief sip_scheddestroy: Schedule destruction of SIP call ---*/
static int sip_scheddestroy(struct sip_pvt *p, int ms)
{
- char tmp[80];
if (sip_debug_test_pvt(p))
ast_verbose("Scheduling destruction of call '%s' in %d ms\n", p->callid, ms);
- if (recordhistory) {
- snprintf(tmp, sizeof(tmp), "%d ms", ms);
- append_history(p, "SchedDestroy", tmp);
- }
+ if (recordhistory)
+ append_history(p, "SchedDestroy", "%d ms", ms);
if (p->autokillid > -1)
ast_sched_del(sched, p->autokillid);
@@ -1471,31 +1478,22 @@
static int send_response(struct sip_pvt *p, struct sip_request *req, int reliable, int seqno)
{
int res;
- char iabuf[INET_ADDRSTRLEN];
- struct sip_request tmp;
- char tmpmsg[80];
if (sip_debug_test_pvt(p)) {
+ char iabuf[INET_ADDRSTRLEN];
if (ast_test_flag(p, SIP_NAT) & SIP_NAT_ROUTE)
ast_verbose("%sTransmitting (NAT) to %s:%d:\n%s\n---\n", reliable ? "Reliably " : "", ast_inet_ntoa(iabuf, sizeof(iabuf), p->recv.sin_addr), ntohs(p->recv.sin_port), req->data);
else
ast_verbose("%sTransmitting (no NAT) to %s:%d:\n%s\n---\n", reliable ? "Reliably " : "", ast_inet_ntoa(iabuf, sizeof(iabuf), p->sa.sin_addr), ntohs(p->sa.sin_port), req->data);
}
- if (reliable) {
- if (recordhistory) {
- parse_copy(&tmp, req);
- snprintf(tmpmsg, sizeof(tmpmsg), "%s / %s", tmp.data, get_header(&tmp, "CSeq"));
- append_history(p, "TxRespRel", tmpmsg);
- }
- res = __sip_reliable_xmit(p, seqno, 1, req->data, req->len, (reliable > 1), req->method);
- } else {
- if (recordhistory) {
- parse_copy(&tmp, req);
- snprintf(tmpmsg, sizeof(tmpmsg), "%s / %s", tmp.data, get_header(&tmp, "CSeq"));
- append_history(p, "TxResp", tmpmsg);
- }
- res = __sip_xmit(p, req->data, req->len);
- }
+ if (recordhistory) {
+ struct sip_request tmp;
+ parse_copy(&tmp, req);
+ append_history(p, reliable ? "TxRespRel" : "TxResp", "%s / %s", tmp.data, get_header(&tmp, "CSeq"));
+ }
+ res = (reliable) ?
+ __sip_reliable_xmit(p, seqno, 1, req->data, req->len, (reliable > 1), req->method) :
+ __sip_xmit(p, req->data, req->len);
if (res > 0)
return 0;
return res;
@@ -1505,31 +1503,22 @@
static int send_request(struct sip_pvt *p, struct sip_request *req, int reliable, int seqno)
{
int res;
- char iabuf[INET_ADDRSTRLEN];
- struct sip_request tmp;
- char tmpmsg[80];
if (sip_debug_test_pvt(p)) {
+ char iabuf[INET_ADDRSTRLEN];
if (ast_test_flag(p, SIP_NAT) & SIP_NAT_ROUTE)
ast_verbose("%sTransmitting (NAT) to %s:%d:\n%s\n---\n", reliable ? "Reliably " : "", ast_inet_ntoa(iabuf, sizeof(iabuf), p->recv.sin_addr), ntohs(p->recv.sin_port), req->data);
else
ast_verbose("%sTransmitting (no NAT) to %s:%d:\n%s\n---\n", reliable ? "Reliably " : "", ast_inet_ntoa(iabuf, sizeof(iabuf), p->sa.sin_addr), ntohs(p->sa.sin_port), req->data);
}
- if (reliable) {
- if (recordhistory) {
- parse_copy(&tmp, req);
- snprintf(tmpmsg, sizeof(tmpmsg), "%s / %s", tmp.data, get_header(&tmp, "CSeq"));
- append_history(p, "TxReqRel", tmpmsg);
- }
- res = __sip_reliable_xmit(p, seqno, 0, req->data, req->len, (reliable > 1), req->method);
- } else {
- if (recordhistory) {
- parse_copy(&tmp, req);
- snprintf(tmpmsg, sizeof(tmpmsg), "%s / %s", tmp.data, get_header(&tmp, "CSeq"));
- append_history(p, "TxReq", tmpmsg);
- }
- res = __sip_xmit(p, req->data, req->len);
- }
+ if (recordhistory) {
+ struct sip_request tmp;
+ parse_copy(&tmp, req);
+ append_history(p, reliable ? "TxReqRel" : "TxReq", "%s / %s", tmp.data, get_header(&tmp, "CSeq"));
+ }
+ res = (reliable) ?
+ __sip_reliable_xmit(p, seqno, 0, req->data, req->len, (reliable > 1), req->method) :
+ __sip_xmit(p, req->data, req->len);
return res;
}
@@ -2094,7 +2083,6 @@
{
struct sip_pvt *cur, *prev = NULL;
struct sip_pkt *cp;
- struct sip_history *hist;
if (sip_debug_test_pvt(p))
ast_verbose("Destroying call '%s'\n", p->callid);
@@ -2144,10 +2132,14 @@
ast_mutex_unlock(&p->owner->lock);
}
/* Clear history */
- while(p->history) {
- hist = p->history;
- p->history = p->history->next;
- free(hist);
+ if (p->history) {
+ while(!AST_LIST_EMPTY(p->history)) {
+ struct sip_history *hist = AST_LIST_FIRST(p->history);
+ AST_LIST_REMOVE_HEAD(p->history, list);
+ free(hist);
+ }
+ free(p->history);
+ p->history = NULL;
}
cur = iflist;
@@ -3629,7 +3621,7 @@
/* Manager Hold and Unhold events must be generated, if necessary */
if (sin.sin_addr.s_addr && !sendonly) {
- append_history(p, "Unhold", req->data);
+ append_history(p, "Unhold", "%s", req->data);
if (callevents && ast_test_flag(p, SIP_CALL_ONHOLD)) {
manager_event(EVENT_FLAG_CALL, "Unhold",
@@ -3642,7 +3634,7 @@
ast_clear_flag(p, SIP_CALL_ONHOLD);
} else {
/* No address for RTP, we're on hold */
- append_history(p, "Hold", req->data);
+ append_history(p, "Hold", "%s", req->data);
if (callevents && !ast_test_flag(p, SIP_CALL_ONHOLD)) {
manager_event(EVENT_FLAG_CALL, "Hold",
@@ -5223,11 +5215,8 @@
if (!r)
return 0;
- if (r->call && recordhistory) {
- char tmp[80];
- snprintf(tmp, sizeof(tmp), "Account: %s@%s", r->username, r->hostname);
- append_history(r->call, "RegistryRenew", tmp);
- }
+ if (r->call && recordhistory)
+ append_history(r->call, "RegistryRenew", "Account: %s@%s", r->username, r->hostname);
/* Since registry's are only added/removed by the the monitor thread, this
may be overkill to reference/dereference at all here */
if (sipdebug)
@@ -5328,11 +5317,8 @@
ast_log(LOG_WARNING, "Unable to allocate registration call\n");
return 0;
}
- if (recordhistory) {
- char tmp[80];
- snprintf(tmp, sizeof(tmp), "Account: %s@%s", r->username, r->hostname);
- append_history(p, "RegistryInit", tmp);
- }
+ if (recordhistory)
+ append_history(p, "RegistryInit", "Account: %s@%s", r->username, r->hostname);
/* Find address to hostname */
if (create_addr(p, r->hostname)) {
/* we have what we hope is a temporary network error,
@@ -6311,7 +6297,7 @@
ast_verbose(VERBOSE_PREFIX_2 "Extension state: Watcher for hint %s %s. Notify User %s\n", exten, state == AST_EXTENSION_DEACTIVATED ? "deactivated" : "removed", p->username);
p->stateid = -1;
p->subscribed = NONE;
- append_history(p, "Subscribestatus", state == AST_EXTENSION_REMOVED ? "HintRemoved" : "Deactivated");
+ append_history(p, "Subscribestatus", "%s", state == AST_EXTENSION_REMOVED ? "HintRemoved" : "Deactivated");
break;
default: /* Tell user */
p->laststate = state;
@@ -8506,9 +8492,7 @@
static int sip_show_history(int fd, int argc, char *argv[])
{
struct sip_pvt *cur;
- struct sip_history *hist;
size_t len;
- int x;
int found = 0;
if (argc != 4)
@@ -8519,19 +8503,18 @@
ast_mutex_lock(&iflock);
for (cur = iflist; cur; cur = cur->next) {
if (!strncasecmp(cur->callid, argv[3], len)) {
+ struct sip_history *hist;
+ int x = 0;
+
ast_cli(fd,"\n");
if (cur->subscribed != NONE)
ast_cli(fd, " * Subscription\n");
else
ast_cli(fd, " * SIP Call\n");
- x = 0;
- hist = cur->history;
- while(hist) {
- x++;
- ast_cli(fd, "%d. %s\n", x, hist->event);
- hist = hist->next;
- }
- if (!x)
+ if (cur->history)
+ AST_LIST_TRAVERSE(cur->history, hist, list)
+ ast_cli(fd, "%d. %s\n", x++, hist->event);
+ if (x == 0)
ast_cli(fd, "Call '%s' has no history\n", cur->callid);
found++;
}
@@ -8546,7 +8529,7 @@
lifespan for SIP dialog */
void sip_dump_history(struct sip_pvt *dialog)
{
- int x;
+ int x = 0;
struct sip_history *hist;
if (!dialog)
@@ -8557,11 +8540,9 @@
ast_log(LOG_DEBUG, " * Subscription\n");
else
ast_log(LOG_DEBUG, " * SIP Call\n");
- x = 0;
- for (hist = dialog->history; hist; hist = hist->next) {
- x++;
- ast_log(LOG_DEBUG, " %d. %s\n", x, hist->event);
- }
+ if (dialog->history)
+ AST_LIST_TRAVERSE(dialog->history, hist, list)
+ ast_log(LOG_DEBUG, " %d. %s\n", x++, hist->event);
if (!x)
ast_log(LOG_DEBUG, "Call '%s' has no history\n", dialog->callid);
ast_log(LOG_DEBUG, "\n---------- END SIP HISTORY for '%s' \n", dialog->callid);
@@ -8844,11 +8825,8 @@
/* No old challenge */
return -1;
}
- if (recordhistory) {
- char tmp[80];
- snprintf(tmp, sizeof(tmp), "Try: %d", p->authtries);
- append_history(p, "RegistryAuth", tmp);
- }
+ if (recordhistory)
+ append_history(p, "RegistryAuth", "Try: %d", p->authtries);
if (sip_debug_test_pvt(p) && p->registry)
ast_verbose("Responding to challenge, registration to domain/host name %s\n", p->registry->hostname);
return transmit_register(p->registry, SIP_REGISTER, digest, respheader);
@@ -8989,6 +8967,8 @@
/* Check if we have separate auth credentials */
if ((auth = find_realm_authentication(authl, p->realm))) {
+ ast_log(LOG_WARNING, "use realm [%s] from peer [%s][%s]\n",
+ auth->username, p->peername, p->username);
username = auth->username;
secret = auth->secret;
md5secret = auth->md5secret;
@@ -10795,7 +10775,7 @@
transmit_response(p, "200 OK", req);
transmit_state_notify(p, firststate, 1, 1); /* Send first notification */
- append_history(p, "Subscribestatus", ast_extension_state2str(firststate));
+ append_history(p, "Subscribestatus", "%s", ast_extension_state2str(firststate));
/* remove any old subscription from this peer for the same exten/context,
as the peer has obviously forgotten about it and it's wasteful to wait
@@ -11116,12 +11096,8 @@
goto retrylock;
}
memcpy(&p->recv, &sin, sizeof(p->recv));
- if (recordhistory) {
- char tmp[80];
- /* This is a response, note what it was for */
- snprintf(tmp, sizeof(tmp), "%s / %s", req.data, get_header(&req, "CSeq"));
- append_history(p, "Rx", tmp);
- }
+ if (recordhistory) /* This is a response, note what it was for */
+ append_history(p, "Rx", "%s / %s", req.data, get_header(&req, "CSeq"));
nounlock = 0;
if (handle_request(p, &req, &sin, &recount, &nounlock) == -1) {
/* Request failed */
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