pv(k): added new PV class to get timeval attributes

- $TV(s) - struct timeval tv_sec (cached per sip message)
- $TV(u) - struct timeval tv_usec (cached per sip message)
- $TV(sn) - struct timeval tv_sec (not cached)
- $TV(un) - struct timeval tv_usec (not cached)

modules_k/pv/pv.c

@@ -364,6 +364,8 @@ static pv_export_t mod_pvs[] = {
 		pv_set_shvar, pv_parse_shvar_name, 0, 0, 0},
 	{ {"time", (sizeof("time")-1)}, PVT_CONTEXT, pv_get_time,
 		0, pv_parse_time_name, 0, 0, 0},
+	{ {"TV", (sizeof("TV")-1)}, PVT_OTHER, pv_get_timeval,
+		0, pv_parse_timeval_name, 0, 0, 0},
 
 	{ {0, 0}, 0, 0, 0, 0, 0, 0, 0 }
 };

modules_k/pv/pv_time.c

@@ -26,6 +26,7 @@
 #include <string.h>
 #include <stdlib.h>
 #include <time.h>
+#include <sys/time.h>
 
 #include "../../dprint.h"
 #include "../../pvar.h"
@@ -197,3 +198,90 @@ int pv_get_timef(struct sip_msg *msg, pv_param_t *param,
 	return pv_get_strintval(msg, param, res, &s, (int)t);
 }
 
+static struct timeval _timeval_ts;
+static unsigned int _timeval_msg_id = 0;
+
+int pv_get_timeval(struct sip_msg *msg, pv_param_t *param,
+		pv_value_t *res)
+{
+	struct timeval tv;
+
+	if(msg==NULL || param==NULL)
+		return -1;
+
+	switch(param->pvn.u.isname.name.n)
+	{
+		case 1:
+			if(_timeval_msg_id != msg->id)
+			{
+				if(gettimeofday(&_timeval_ts, NULL)!=0)
+				{
+					LM_ERR("unable to get time val attributes\n");
+					return -1;
+				}
+				_timeval_msg_id = msg->id;
+			}
+			return pv_get_uintval(msg, param, res, (unsigned int)_timeval_ts.tv_usec);
+		case 2:
+			if(gettimeofday(&tv, NULL)!=0)
+			{
+				LM_ERR("unable to get time val attributes\n");
+				return pv_get_null(msg, param, res);
+			}
+			return pv_get_uintval(msg, param, res, (unsigned int)tv.tv_sec);
+		case 3:
+			if(gettimeofday(&tv, NULL)!=0)
+			{
+				LM_ERR("unable to get time val attributes\n");
+				return pv_get_null(msg, param, res);
+			}
+			return pv_get_uintval(msg, param, res, (unsigned int)tv.tv_usec);
+		default:
+			if(_timeval_msg_id != msg->id)
+			{
+				if(gettimeofday(&_timeval_ts, NULL)!=0)
+				{
+					LM_ERR("unable to get time val attributes\n");
+					return -1;
+				}
+				_timeval_msg_id = msg->id;
+			}
+			return pv_get_uintval(msg, param, res, (unsigned int)_timeval_ts.tv_sec);
+	}
+}
+
+int pv_parse_timeval_name(pv_spec_p sp, str *in)
+{
+	if(sp==NULL || in==NULL || in->len<=0)
+		return -1;
+
+	switch(in->len)
+	{
+		case 1:
+			if(strncmp(in->s, "s", 1)==0)
+				sp->pvp.pvn.u.isname.name.n = 0;
+			else if(strncmp(in->s, "u", 1)==0)
+				sp->pvp.pvn.u.isname.name.n = 1;
+			else goto error;
+		break;
+		case 2:
+			if(strncmp(in->s, "sn", 2)==0)
+				sp->pvp.pvn.u.isname.name.n = 2;
+			else if(strncmp(in->s, "un", 2)==0)
+				sp->pvp.pvn.u.isname.name.n = 3;
+			else goto error;
+		break;
+		default:
+			goto error;
+	}
+	sp->pvp.pvn.type = PV_NAME_INTSTR;
+	sp->pvp.pvn.u.isname.type = 0;
+
+	return 0;
+
+error:
+	LM_ERR("unknown PV timeval name %.*s\n", in->len, in->s);
+	return -1;
+}
+
+

modules_k/pv/pv_time.h

@@ -38,5 +38,8 @@ int pv_get_times(struct sip_msg *msg, pv_param_t *param,
 int pv_get_timef(struct sip_msg *msg, pv_param_t *param,
 		pv_value_t *res);
 
+int pv_parse_timeval_name(pv_spec_p sp, str *in);
+int pv_get_timeval(struct sip_msg *msg, pv_param_t *param,
+        pv_value_t *res);
 #endif