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mostly complete implementation of channel list via SNMP

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This commit is contained in:
Daniel Swarbrick 2011-01-31 15:41:58 +01:00
parent 2ad81ac82f
commit c8f5c66c35
3 changed files with 289 additions and 42 deletions
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175
src/mod/event_handlers/mod_snmp/FREESWITCH-MIB
View File

@ -3,11 +3,14 @@ FREESWITCH-MIB DEFINITIONS ::= BEGIN
IMPORTS IMPORTS
OBJECT-TYPE, MODULE-IDENTITY, OBJECT-TYPE, MODULE-IDENTITY,
Integer32, Gauge32, Counter32, Counter64, TimeTicks, Integer32, Gauge32, Counter32, Counter64, TimeTicks,
enterprises, enterprises
FROM SNMPv2-SMI FROM SNMPv2-SMI
DisplayString DisplayString, DateAndTime
FROM SNMPv2-TC FROM SNMPv2-TC
InetAddressType, InetAddress
FROM INET-ADDRESS-MIB
; ;
@ -109,13 +112,27 @@ maxSessionsPerSecond OBJECT-TYPE
ChannelEntry ::= SEQUENCE { ChannelEntry ::= SEQUENCE {
chanUUID DisplayString, chanIndex Integer32,
chanDirection DisplayString, chanUUID DisplayString,
chanCreated DisplayString, chanDirection DisplayString,
chanName DisplayString, chanCreated DateAndTime,
chanState DisplayString, chanName DisplayString,
chanCIDName DisplayString, chanState DisplayString,
chanCIDNum DisplayString chanCIDName DisplayString,
chanCIDNum DisplayString,
chanInetAddressType InetAddressType,
chanInetAddress InetAddress,
chanDest DisplayString,
chanApplication DisplayString,
chanAppData DisplayString,
chanDialplan DisplayString,
chanContext DisplayString,
chanReadCodec DisplayString,
chanReadRate Gauge32,
chanReadBitRate Gauge32,
chanWriteCodec DisplayString,
chanWriteRate Gauge32,
chanWriteBitRate Gauge32
} }
channelList OBJECT-TYPE channelList OBJECT-TYPE
@ -135,60 +152,172 @@ channelEntry OBJECT-TYPE
INDEX { chanIndex } INDEX { chanIndex }
::= { channelList 1 } ::= { channelList 1 }
chanIndex OBJECT-TYPE
SYNTAX Integer32
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"Channel SNMP index."
::= { channelEntry 1 }
chanUUID OBJECT-TYPE chanUUID OBJECT-TYPE
SYNTAX DisplayString SYNTAX DisplayString
MAX-ACCESS read-only MAX-ACCESS read-only
STATUS current STATUS current
DESCRIPTION DESCRIPTION
"The channel UUID." "Channel UUID."
::= { channelEntry 1 } ::= { channelEntry 2 }
chanDirection OBJECT-TYPE chanDirection OBJECT-TYPE
SYNTAX DisplayString SYNTAX DisplayString
MAX-ACCESS read-only MAX-ACCESS read-only
STATUS current STATUS current
DESCRIPTION DESCRIPTION
"The channel direction." "Channel direction."
::= { channelEntry 2 } ::= { channelEntry 3 }
chanCreated OBJECT-TYPE chanCreated OBJECT-TYPE
SYNTAX DisplayString SYNTAX DateAndTime
MAX-ACCESS read-only MAX-ACCESS read-only
STATUS current STATUS current
DESCRIPTION DESCRIPTION
"Channel creation timestamp." "Channel creation timestamp."
::= { channelEntry 3 } ::= { channelEntry 4 }
chanName OBJECT-TYPE chanName OBJECT-TYPE
SYNTAX DisplayString SYNTAX DisplayString
MAX-ACCESS read-only MAX-ACCESS read-only
STATUS current STATUS current
DESCRIPTION DESCRIPTION
"The channel name." "Channel name."
::= { channelEntry 4 } ::= { channelEntry 5 }
chanState OBJECT-TYPE chanState OBJECT-TYPE
SYNTAX DisplayString SYNTAX DisplayString
MAX-ACCESS read-only MAX-ACCESS read-only
STATUS current STATUS current
DESCRIPTION DESCRIPTION
"The channel state." "Channel state."
::= { channelEntry 5 } ::= { channelEntry 6 }
chanCIDName OBJECT-TYPE chanCIDName OBJECT-TYPE
SYNTAX DisplayString SYNTAX DisplayString
MAX-ACCESS read-only MAX-ACCESS read-only
STATUS current STATUS current
DESCRIPTION DESCRIPTION
"The channel caller ID name." "Channel caller ID name."
::= { channelEntry 6 } ::= { channelEntry 7 }
chanCIDNum OBJECT-TYPE chanCIDNum OBJECT-TYPE
SYNTAX DisplayString SYNTAX DisplayString
MAX-ACCESS read-only MAX-ACCESS read-only
STATUS current STATUS current
DESCRIPTION DESCRIPTION
"The channel caller ID number." "Channel caller ID number."
::= { channelEntry 7 } ::= { channelEntry 8 }
chanInetAddressType OBJECT-TYPE
SYNTAX InetAddressType
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"Channel originator's IP address type (IPv4 or IPv6)."
::= { channelEntry 9 }
chanInetAddress OBJECT-TYPE
SYNTAX InetAddress
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"Channel originator's IP address."
::= { channelEntry 10 }
chanDest OBJECT-TYPE
SYNTAX DisplayString
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"Channel destination."
::= { channelEntry 11 }
chanApplication OBJECT-TYPE
SYNTAX DisplayString
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"Channel application."
::= { channelEntry 12 }
chanAppData OBJECT-TYPE
SYNTAX DisplayString
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"Channel application data."
::= { channelEntry 13 }
chanDialplan OBJECT-TYPE
SYNTAX DisplayString
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"Channel dialplan."
::= { channelEntry 14 }
chanContext OBJECT-TYPE
SYNTAX DisplayString
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"Channel dialplan context."
::= { channelEntry 15 }
chanReadCodec OBJECT-TYPE
SYNTAX DisplayString
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"Channel read codec."
::= { channelEntry 16 }
chanReadRate OBJECT-TYPE
SYNTAX Gauge32
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"Channel read samples per second."
::= { channelEntry 17 }
chanReadBitRate OBJECT-TYPE
SYNTAX Gauge32
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"Channel read bits per second."
::= { channelEntry 18 }
chanWriteCodec OBJECT-TYPE
SYNTAX DisplayString
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"Channel write codec."
::= { channelEntry 19 }
chanWriteRate OBJECT-TYPE
SYNTAX Gauge32
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"Channel write samples per second."
::= { channelEntry 20 }
chanWriteBitRate OBJECT-TYPE
SYNTAX Gauge32
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"Channel write bits per second."
::= { channelEntry 21 }
END END

105
src/mod/event_handlers/mod_snmp/subagent.c
View File

@ -42,6 +42,17 @@ netsnmp_handler_registration *ch_reginfo;
uint32_t idx; uint32_t idx;
static void time_t_to_datetime(time_t epoch, char *buf, switch_size_t buflen)
{
struct tm *dt;
uint16_t year;
dt = gmtime(&epoch);
year = dt->tm_year + 1900;
switch_snprintf(buf, buflen, "%c%c%c%c%c%c%c%c+%c%c", year >> 8, year & 0xff, dt->tm_mon + 1, dt->tm_mday, dt->tm_hour, dt->tm_min, dt->tm_sec, 0, 0, 0);
}
static int sql_count_callback(void *pArg, int argc, char **argv, char **columnNames) static int sql_count_callback(void *pArg, int argc, char **argv, char **columnNames)
{ {
uint32_t *count = (uint32_t *) pArg; uint32_t *count = (uint32_t *) pArg;
@ -69,11 +80,31 @@ static int channelList_callback(void *pArg, int argc, char **argv, char **column
entry->idx = idx++; entry->idx = idx++;
strncpy(entry->uuid, argv[0], sizeof(entry->uuid)); strncpy(entry->uuid, argv[0], sizeof(entry->uuid));
strncpy(entry->direction, argv[1], sizeof(entry->direction)); strncpy(entry->direction, argv[1], sizeof(entry->direction));
strncpy(entry->created, argv[2], sizeof(entry->created)); entry->created_epoch = atoi(argv[3]);
strncpy(entry->name, argv[4], sizeof(entry->name)); strncpy(entry->name, argv[4], sizeof(entry->name));
strncpy(entry->state, argv[5], sizeof(entry->state)); strncpy(entry->state, argv[5], sizeof(entry->state));
strncpy(entry->cid_name, argv[6], sizeof(entry->cid_name)); strncpy(entry->cid_name, argv[6], sizeof(entry->cid_name));
strncpy(entry->cid_num, argv[7], sizeof(entry->cid_num)); strncpy(entry->cid_num, argv[7], sizeof(entry->cid_num));
strncpy(entry->dest, argv[9], sizeof(entry->dest));
strncpy(entry->application, argv[10], sizeof(entry->application));
strncpy(entry->application_data, argv[11], sizeof(entry->application_data));
strncpy(entry->dialplan, argv[12], sizeof(entry->dialplan));
strncpy(entry->context, argv[13], sizeof(entry->context));
strncpy(entry->read_codec, argv[14], sizeof(entry->read_codec));
entry->read_rate = atoi(argv[15]);
entry->read_bitrate = atoi(argv[16]);
strncpy(entry->write_codec, argv[17], sizeof(entry->write_codec));
entry->write_rate = atoi(argv[18]);
entry->write_bitrate = atoi(argv[19]);
memset(&entry->ip_addr, 0, sizeof(entry->ip_addr));
if (strchr(argv[8], ':')) {
switch_inet_pton(AF_INET6, argv[8], &entry->ip_addr);
entry->addr_family = AF_INET6;
} else {
switch_inet_pton(AF_INET, argv[8], &entry->ip_addr);
entry->addr_family = AF_INET;
}
netsnmp_tdata_row_add_index(row, ASN_INTEGER, &entry->idx, sizeof(entry->idx)); netsnmp_tdata_row_add_index(row, ASN_INTEGER, &entry->idx, sizeof(entry->idx));
netsnmp_tdata_add_row(ch_table, row); netsnmp_tdata_add_row(ch_table, row);
@ -128,9 +159,9 @@ void init_subagent(switch_memory_pool_t *pool)
netsnmp_register_scalar_group(netsnmp_create_handler_registration("systemStats", handle_systemStats, systemStats_oid, OID_LENGTH(systemStats_oid), HANDLER_CAN_RONLY), 1, 7); netsnmp_register_scalar_group(netsnmp_create_handler_registration("systemStats", handle_systemStats, systemStats_oid, OID_LENGTH(systemStats_oid), HANDLER_CAN_RONLY), 1, 7);
ch_table_info = switch_core_alloc(pool, sizeof(netsnmp_table_registration_info)); ch_table_info = switch_core_alloc(pool, sizeof(netsnmp_table_registration_info));
netsnmp_table_helper_add_index(ch_table_info, ASN_INTEGER); netsnmp_table_helper_add_indexes(ch_table_info, ASN_INTEGER, 0);
ch_table_info->min_column = 1; ch_table_info->min_column = CH_INDEX;
ch_table_info->max_column = 7; ch_table_info->max_column = CH_WRITE_BITRATE;
ch_table = netsnmp_tdata_create_table("channelList", 0); ch_table = netsnmp_tdata_create_table("channelList", 0);
ch_reginfo = netsnmp_create_handler_registration("channelList", handle_channelList, channelList_oid, OID_LENGTH(channelList_oid), HANDLER_CAN_RONLY); ch_reginfo = netsnmp_create_handler_registration("channelList", handle_channelList, channelList_oid, OID_LENGTH(channelList_oid), HANDLER_CAN_RONLY);
netsnmp_tdata_register(ch_reginfo, ch_table, ch_table_info); netsnmp_tdata_register(ch_reginfo, ch_table, ch_table_info);
@ -191,15 +222,15 @@ int handle_systemStats(netsnmp_mib_handler *handler, netsnmp_handler_registratio
break; break;
case SS_SESSIONS_SINCE_STARTUP: case SS_SESSIONS_SINCE_STARTUP:
int_val = switch_core_session_id() - 1; int_val = switch_core_session_id() - 1;
snmp_set_var_typed_value(requests->requestvb, ASN_COUNTER, (u_char *) &int_val, sizeof(int_val)); snmp_set_var_typed_integer(requests->requestvb, ASN_COUNTER, int_val);
break; break;
case SS_CURRENT_SESSIONS: case SS_CURRENT_SESSIONS:
int_val = switch_core_session_count(); int_val = switch_core_session_count();
snmp_set_var_typed_value(requests->requestvb, ASN_GAUGE, (u_char *) &int_val, sizeof(int_val)); snmp_set_var_typed_integer(requests->requestvb, ASN_GAUGE, int_val);
break; break;
case SS_MAX_SESSIONS: case SS_MAX_SESSIONS:
switch_core_session_ctl(SCSC_MAX_SESSIONS, &int_val); switch_core_session_ctl(SCSC_MAX_SESSIONS, &int_val);
snmp_set_var_typed_value(requests->requestvb, ASN_GAUGE, (u_char *) &int_val, sizeof(int_val)); snmp_set_var_typed_integer(requests->requestvb, ASN_GAUGE, int_val);
break; break;
case SS_CURRENT_CALLS: case SS_CURRENT_CALLS:
{ {
@ -213,17 +244,17 @@ int handle_systemStats(netsnmp_mib_handler *handler, netsnmp_handler_registratio
gethostname(hostname, sizeof(hostname)); gethostname(hostname, sizeof(hostname));
sprintf(sql, "SELECT COUNT(*) FROM calls WHERE hostname='%s'", hostname); sprintf(sql, "SELECT COUNT(*) FROM calls WHERE hostname='%s'", hostname);
switch_cache_db_execute_sql_callback(dbh, sql, sql_count_callback, &int_val, NULL); switch_cache_db_execute_sql_callback(dbh, sql, sql_count_callback, &int_val, NULL);
snmp_set_var_typed_value(requests->requestvb, ASN_GAUGE, (u_char *) &int_val, sizeof(int_val)); snmp_set_var_typed_integer(requests->requestvb, ASN_GAUGE, int_val);
switch_cache_db_release_db_handle(&dbh); switch_cache_db_release_db_handle(&dbh);
} }
break; break;
case SS_SESSIONS_PER_SECOND: case SS_SESSIONS_PER_SECOND:
switch_core_session_ctl(SCSC_LAST_SPS, &int_val); switch_core_session_ctl(SCSC_LAST_SPS, &int_val);
snmp_set_var_typed_value(requests->requestvb, ASN_GAUGE, (u_char *) &int_val, sizeof(int_val)); snmp_set_var_typed_integer(requests->requestvb, ASN_GAUGE, int_val);
break; break;
case SS_MAX_SESSIONS_PER_SECOND: case SS_MAX_SESSIONS_PER_SECOND:
switch_core_session_ctl(SCSC_SPS, &int_val); switch_core_session_ctl(SCSC_SPS, &int_val);
snmp_set_var_typed_value(requests->requestvb, ASN_GAUGE, (u_char *) &int_val, sizeof(int_val)); snmp_set_var_typed_integer(requests->requestvb, ASN_GAUGE, int_val);
break; break;
default: default:
snmp_log(LOG_WARNING, "Unregistered OID-suffix requested (%d)\n", (int) subid); snmp_log(LOG_WARNING, "Unregistered OID-suffix requested (%d)\n", (int) subid);
@ -246,6 +277,7 @@ int handle_channelList(netsnmp_mib_handler *handler, netsnmp_handler_registratio
netsnmp_request_info *request; netsnmp_request_info *request;
netsnmp_table_request_info *table_info; netsnmp_table_request_info *table_info;
chan_entry_t *entry; chan_entry_t *entry;
char dt_str[12];
switch (reqinfo->mode) { switch (reqinfo->mode) {
case MODE_GET: case MODE_GET:
@ -254,6 +286,9 @@ int handle_channelList(netsnmp_mib_handler *handler, netsnmp_handler_registratio
entry = (chan_entry_t *) netsnmp_tdata_extract_entry(request); entry = (chan_entry_t *) netsnmp_tdata_extract_entry(request);
switch (table_info->colnum) { switch (table_info->colnum) {
case CH_INDEX:
snmp_set_var_typed_integer(request->requestvb, ASN_INTEGER, entry->idx);
break;
case CH_UUID: case CH_UUID:
snmp_set_var_typed_value(request->requestvb, ASN_OCTET_STR, (u_char *) entry->uuid, strlen(entry->uuid)); snmp_set_var_typed_value(request->requestvb, ASN_OCTET_STR, (u_char *) entry->uuid, strlen(entry->uuid));
break; break;
@ -261,7 +296,8 @@ int handle_channelList(netsnmp_mib_handler *handler, netsnmp_handler_registratio
snmp_set_var_typed_value(request->requestvb, ASN_OCTET_STR, (u_char *) entry->direction, strlen(entry->direction)); snmp_set_var_typed_value(request->requestvb, ASN_OCTET_STR, (u_char *) entry->direction, strlen(entry->direction));
break; break;
case CH_CREATED: case CH_CREATED:
snmp_set_var_typed_value(request->requestvb, ASN_OCTET_STR, (u_char *) entry->created, strlen(entry->created)); time_t_to_datetime(entry->created_epoch, (char *) &dt_str, sizeof(dt_str));
snmp_set_var_typed_value(request->requestvb, ASN_OCTET_STR, (u_char *) &dt_str, sizeof(dt_str));
break; break;
case CH_NAME: case CH_NAME:
snmp_set_var_typed_value(request->requestvb, ASN_OCTET_STR, (u_char *) entry->name, strlen(entry->name)); snmp_set_var_typed_value(request->requestvb, ASN_OCTET_STR, (u_char *) entry->name, strlen(entry->name));
@ -275,6 +311,53 @@ int handle_channelList(netsnmp_mib_handler *handler, netsnmp_handler_registratio
case CH_CID_NUM: case CH_CID_NUM:
snmp_set_var_typed_value(request->requestvb, ASN_OCTET_STR, (u_char *) entry->cid_num, strlen(entry->cid_num)); snmp_set_var_typed_value(request->requestvb, ASN_OCTET_STR, (u_char *) entry->cid_num, strlen(entry->cid_num));
break; break;
case CH_IP_ADDR_TYPE:
if (entry->addr_family == AF_INET6) {
snmp_set_var_typed_integer(request->requestvb, ASN_INTEGER, INETADDRESSTYPE_IPV6);
} else {
snmp_set_var_typed_integer(request->requestvb, ASN_INTEGER, INETADDRESSTYPE_IPV4);
}
break;
case CH_IP_ADDR:
if (entry->addr_family == AF_INET6) {
snmp_set_var_typed_value(request->requestvb, ASN_OCTET_STR, (u_char *) &entry->ip_addr.v6, sizeof(entry->ip_addr.v6));
} else {
snmp_set_var_typed_value(request->requestvb, ASN_OCTET_STR, (u_char *) &entry->ip_addr.v4, sizeof(entry->ip_addr.v4));
}
break;
case CH_DEST:
snmp_set_var_typed_value(request->requestvb, ASN_OCTET_STR, (u_char *) entry->dest, strlen(entry->dest));
break;
case CH_APPLICATION:
snmp_set_var_typed_value(request->requestvb, ASN_OCTET_STR, (u_char *) entry->application, strlen(entry->application));
break;
case CH_APPLICATION_DATA:
snmp_set_var_typed_value(request->requestvb, ASN_OCTET_STR, (u_char *) entry->application_data, strlen(entry->application_data));
break;
case CH_DIALPLAN:
snmp_set_var_typed_value(request->requestvb, ASN_OCTET_STR, (u_char *) entry->dialplan, strlen(entry->dialplan));
break;
case CH_CONTEXT:
snmp_set_var_typed_value(request->requestvb, ASN_OCTET_STR, (u_char *) entry->context, strlen(entry->context));
break;
case CH_READ_CODEC:
snmp_set_var_typed_value(request->requestvb, ASN_OCTET_STR, (u_char *) entry->read_codec, strlen(entry->read_codec));
break;
case CH_READ_RATE:
snmp_set_var_typed_value(request->requestvb, ASN_GAUGE, (u_char *) &entry->read_rate, sizeof(entry->read_rate));
break;
case CH_READ_BITRATE:
snmp_set_var_typed_value(request->requestvb, ASN_GAUGE, (u_char *) &entry->read_bitrate, sizeof(entry->read_bitrate));
break;
case CH_WRITE_CODEC:
snmp_set_var_typed_value(request->requestvb, ASN_OCTET_STR, (u_char *) entry->write_codec, strlen(entry->write_codec));
break;
case CH_WRITE_RATE:
snmp_set_var_typed_value(request->requestvb, ASN_GAUGE, (u_char *) &entry->write_rate, sizeof(entry->write_rate));
break;
case CH_WRITE_BITRATE:
snmp_set_var_typed_value(request->requestvb, ASN_GAUGE, (u_char *) &entry->write_bitrate, sizeof(entry->write_bitrate));
break;
default: default:
snmp_log(LOG_WARNING, "Unregistered OID-suffix requested (%d)\n", table_info->colnum); snmp_log(LOG_WARNING, "Unregistered OID-suffix requested (%d)\n", table_info->colnum);
netsnmp_set_request_error(reqinfo, request, SNMP_NOSUCHOBJECT); netsnmp_set_request_error(reqinfo, request, SNMP_NOSUCHOBJECT);

51
src/mod/event_handlers/mod_snmp/subagent.h
View File

@ -15,23 +15,58 @@
#define SS_MAX_SESSIONS_PER_SECOND 7 #define SS_MAX_SESSIONS_PER_SECOND 7
/* .1.3.6.1.4.1.27880.1.9 */ /* .1.3.6.1.4.1.27880.1.9 */
#define CH_UUID 1 #define CH_INDEX 1
#define CH_DIRECTION 2 #define CH_UUID 2
#define CH_CREATED 3 #define CH_DIRECTION 3
#define CH_NAME 4 #define CH_CREATED 4
#define CH_STATE 5 #define CH_NAME 5
#define CH_CID_NAME 6 #define CH_STATE 6
#define CH_CID_NUM 7 #define CH_CID_NAME 7
#define CH_CID_NUM 8
#define CH_IP_ADDR_TYPE 9
#define CH_IP_ADDR 10
#define CH_DEST 11
#define CH_APPLICATION 12
#define CH_APPLICATION_DATA 13
#define CH_DIALPLAN 14
#define CH_CONTEXT 15
#define CH_READ_CODEC 16
#define CH_READ_RATE 17
#define CH_READ_BITRATE 18
#define CH_WRITE_CODEC 19
#define CH_WRITE_RATE 20
#define CH_WRITE_BITRATE 21
/* Why aren't these in net-snmp-includes.h ? */
#define INETADDRESSTYPE_UNKNOWN 0
#define INETADDRESSTYPE_IPV4 1
#define INETADDRESSTYPE_IPV6 2
#define INETADDRESSTYPE_IPV4Z 3
#define INETADDRESSTYPE_IPV6Z 4
#define INETADDRESSTYPE_DNS 16
typedef struct { typedef struct {
uint32_t idx; uint32_t idx;
char uuid[38]; char uuid[38];
char direction[32]; char direction[32];
char created[128]; time_t created_epoch;
char name[1024]; char name[1024];
char state[64]; char state[64];
char cid_name[1024]; char cid_name[1024];
char cid_num[256]; char cid_num[256];
ip_t ip_addr;
uint8_t addr_family;
char dest[1024];
char application[128];
char application_data[4096];
char dialplan[128];
char context[128];
char read_codec[128];
uint32_t read_rate;
uint32_t read_bitrate;
char write_codec[128];
uint32_t write_rate;
uint32_t write_bitrate;
} chan_entry_t; } chan_entry_t;
void init_subagent(switch_memory_pool_t *pool); void init_subagent(switch_memory_pool_t *pool);