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mediator/cdr.c

772 lines
18 KiB

#include <ctype.h>
#include "cdr.h"
#include "medmysql.h"
#include "config.h"
#include "mediator.h"
static int cdr_create_cdrs(med_entry_t *records, u_int64_t count,
cdr_entry_t **cdrs, u_int64_t *cdr_count, u_int8_t *trash);
static const char* cdr_map_status(const char *sip_status)
{
if(strncmp("200", sip_status, 3) == 0)
{
return CDR_STATUS_OK;
}
if(strncmp("480", sip_status, 3) == 0)
{
return CDR_STATUS_NA;
}
if(strncmp("487", sip_status, 3) == 0)
{
return CDR_STATUS_CANCEL;
}
if(strncmp("486", sip_status, 3) == 0)
{
return CDR_STATUS_BUSY;
}
if(strncmp("408", sip_status, 3) == 0)
{
return CDR_STATUS_TIMEOUT;
}
if(strncmp("404", sip_status, 3) == 0)
{
return CDR_STATUS_OFFLINE;
}
return CDR_STATUS_UNKNOWN;
}
int cdr_process_records(med_entry_t *records, u_int64_t count, u_int64_t *ext_count, struct medmysql_batches *batches)
{
int ret = 0;
u_int8_t trash = 0;
u_int64_t i;
u_int16_t msg_invites = 0;
u_int16_t msg_byes = 0;
u_int16_t msg_unknowns = 0;
u_int16_t invite_200 = 0;
char *callid = records[0].callid;
cdr_entry_t *cdrs = NULL;
u_int64_t cdr_count;
*ext_count = 0;
for(i = 0; i < count; ++i)
{
med_entry_t *e = &(records[i]);
if(strcmp(e->sip_method, MSG_INVITE) == 0)
{
++msg_invites;
e->method = MED_INVITE;
if(strncmp("200", e->sip_code, 3) == 0)
{
++invite_200;
}
}
else if(strcmp(e->sip_method, MSG_BYE) == 0)
{
++msg_byes;
e->method = MED_BYE;
}
else
{
++msg_unknowns;
e->method = MED_UNRECOGNIZED;
}
if (check_shutdown())
return -1;
}
/*syslog(LOG_DEBUG, "%d INVITEs, %d BYEs, %d unrecognized", msg_invites, msg_byes, msg_unknowns);*/
if(msg_invites > 0)
{
if(msg_byes > 0 || invite_200 == 0)
{
if(/*msg_byes > 2*/ 0)
{
syslog(LOG_WARNING, "Multiple (%d) BYE messages for callid '%s' found, trashing...",
msg_byes, callid);
trash = 1;
}
else
{
if(cdr_create_cdrs(records, count, &cdrs, &cdr_count, &trash) != 0)
goto error;
else
{
*ext_count = cdr_count;
if(cdr_count > 0)
{
if(config_dumpcdr)
{
/* cdr_log_records(cdrs, cdr_count); */
}
if(medmysql_insert_cdrs(cdrs, cdr_count, batches) != 0)
goto error;
else
{
if(medmysql_backup_entries(callid, batches) != 0)
goto error;
}
}
else
{
/* TODO: no CDRs created? */
}
free(cdrs);
cdrs = NULL;
}
}
}
else
{
/*
syslog(LOG_DEBUG, "No BYE message for callid '%s' found, skipping...",
callid);
*/
}
}
else
{
/*syslog(LOG_WARNING, "No INVITE message for callid '%s' found, trashing...", callid);*/
trash = 1;
}
if(trash)
{
if(medmysql_trash_entries(callid, batches) != 0)
goto error;
}
return ret;
error:
if(cdrs)
free(cdrs);
return -1;
}
static inline int hexval(unsigned char c) {
if (c >= '0' && c <= '9')
return c - '0';
if (c >= 'a' && c <= 'f')
return 10 + c - 'a';
if (c >= 'A' && c <= 'F')
return 10 + c - 'A';
return -1;
}
/* un-uri-escape string in place */
static void uri_unescape(char *str) {
unsigned char *s, *d;
unsigned int c;
int cv;
s = (unsigned char *) str;
d = (unsigned char *) str;
while (*s) {
if (*s != '%') {
copy:
*d = *s;
d++;
s++;
continue;
}
cv = hexval(s[1]);
if (cv == -1)
goto copy;
c = cv << 4;
cv = hexval(s[2]);
if (cv == -1)
goto copy;
c |= cv;
if (!c) /* disallow null bytes */
goto copy;
*d = c;
s += 3;
d++;
}
*d = 0;
}
static int cdr_parse_srcleg(char *srcleg, cdr_entry_t *cdr)
{
char *tmp1, *tmp2;
tmp2 = srcleg;
tmp1 = strchr(tmp2, MED_SEP);
if(tmp1 == NULL)
{
syslog(LOG_WARNING, "Call-Id '%s' has no separated source user id, '%s'", cdr->call_id, tmp2);
return -1;
}
*tmp1 = '\0';
g_strlcpy(cdr->source_user_id, tmp2, sizeof(cdr->source_user_id));
tmp2 = ++tmp1;
tmp1 = strchr(tmp2, MED_SEP);
if(tmp1 == NULL)
{
syslog(LOG_WARNING, "Call-Id '%s' has no separated source user, '%s'", cdr->call_id, tmp2);
return -1;
}
*tmp1 = '\0';
g_strlcpy(cdr->source_user, tmp2, sizeof(cdr->source_user));
tmp2 = ++tmp1;
tmp1 = strchr(tmp2, MED_SEP);
if(tmp1 == NULL)
{
syslog(LOG_WARNING, "Call-Id '%s' has no separated source domain, '%s'", cdr->call_id, tmp2);
return -1;
}
*tmp1 = '\0';
g_strlcpy(cdr->source_domain, tmp2, sizeof(cdr->source_domain));
tmp2 = ++tmp1;
tmp1 = strchr(tmp2, MED_SEP);
if(tmp1 == NULL)
{
syslog(LOG_WARNING, "Call-Id '%s' has no separated source cli, '%s'", cdr->call_id, tmp2);
return -1;
}
*tmp1 = '\0';
g_strlcpy(cdr->source_cli, tmp2, sizeof(cdr->source_cli));
tmp2 = ++tmp1;
tmp1 = strchr(tmp2, MED_SEP);
if(tmp1 == NULL)
{
syslog(LOG_WARNING, "Call-Id '%s' has no separated source external subscriber id, '%s'", cdr->call_id, tmp2);
return -1;
}
*tmp1 = '\0';
g_strlcpy(cdr->source_ext_subscriber_id, tmp2, sizeof(cdr->source_ext_subscriber_id));
uri_unescape(cdr->source_ext_subscriber_id);
tmp2 = ++tmp1;
tmp1 = strchr(tmp2, MED_SEP);
if(tmp1 == NULL)
{
syslog(LOG_WARNING, "Call-Id '%s' has no separated source external contract id, '%s'", cdr->call_id, tmp2);
return -1;
}
*tmp1 = '\0';
g_strlcpy(cdr->source_ext_contract_id, tmp2, sizeof(cdr->source_ext_contract_id));
uri_unescape(cdr->source_ext_contract_id);
tmp2 = ++tmp1;
tmp1 = strchr(tmp2, MED_SEP);
if(tmp1 == NULL)
{
syslog(LOG_WARNING, "Call-Id '%s' has no separated source account id, '%s'", cdr->call_id, tmp2);
return -1;
}
*tmp1 = '\0';
cdr->source_account_id = atoll(tmp2);
tmp2 = ++tmp1;
tmp1 = strchr(tmp2, MED_SEP);
if(tmp1 == NULL)
{
syslog(LOG_WARNING, "Call-Id '%s' has no separated peer auth user, '%s'", cdr->call_id, tmp2);
return -1;
}
*tmp1 = '\0';
g_strlcpy(cdr->peer_auth_user, tmp2, sizeof(cdr->peer_auth_user));
tmp2 = ++tmp1;
tmp1 = strchr(tmp2, MED_SEP);
if(tmp1 == NULL)
{
syslog(LOG_WARNING, "Call-Id '%s' has no separated peer auth realm, '%s'", cdr->call_id, tmp2);
return -1;
}
*tmp1 = '\0';
g_strlcpy(cdr->peer_auth_realm, tmp2, sizeof(cdr->peer_auth_realm));
tmp2 = ++tmp1;
tmp1 = strchr(tmp2, MED_SEP);
if(tmp1 == NULL)
{
syslog(LOG_WARNING, "Call-Id '%s' has no separated source clir status, '%s'", cdr->call_id, tmp2);
return -1;
}
*tmp1 = '\0';
cdr->source_clir = atoi(tmp2);
tmp2 = ++tmp1;
tmp1 = strchr(tmp2, MED_SEP);
if(tmp1 == NULL)
{
syslog(LOG_WARNING, "Call-Id '%s' has no separated call type, '%s'", cdr->call_id, tmp2);
return -1;
}
*tmp1 = '\0';
g_strlcpy(cdr->call_type, tmp2, sizeof(cdr->call_type));
tmp2 = ++tmp1;
tmp1 = strchr(tmp2, MED_SEP);
if(tmp1 == NULL)
{
syslog(LOG_WARNING, "Call-Id '%s' has no separated source ip, '%s'", cdr->call_id, tmp2);
return -1;
}
*tmp1 = '\0';
g_strlcpy(cdr->source_ip, tmp2, sizeof(cdr->source_ip));
tmp2 = ++tmp1;
tmp1 = strchr(tmp2, MED_SEP);
if(tmp1 == NULL)
{
syslog(LOG_WARNING, "Call-Id '%s' has no separated source init time, '%s'", cdr->call_id, tmp2);
return -1;
}
*tmp1 = '\0';
cdr->init_time = g_strtod(tmp2, NULL);
tmp2 = ++tmp1;
int i;
for(i = 0; i < 10; ++i)
{
tmp1 = strchr(tmp2, MED_SEP);
if(tmp1 == NULL)
{
syslog(LOG_WARNING, "Call-Id '%s' has no separated source gpp %d, '%s'", cdr->call_id, i, tmp2);
return -1;
}
*tmp1 = '\0';
g_strlcpy(cdr->source_gpp[i], tmp2, sizeof(cdr->source_gpp[i]));
tmp2 = ++tmp1;
}
tmp1 = strchr(tmp2, MED_SEP);
if(tmp1 == NULL)
{
if (strict_leg_tokens) {
syslog(LOG_WARNING, "Call-Id '%s' has no separated source lnp prefix, '%s'", cdr->call_id, tmp2);
return -1;
} else {
cdr->source_lnp_prefix[0] = '\0';
cdr->source_user_out[0] = '\0';
syslog(LOG_WARNING, "Call-Id '%s' src leg has missing tokens (using empty lnp prefix, user out) '%s'", cdr->call_id, tmp2);
return 0;
}
}
*tmp1 = '\0';
g_strlcpy(cdr->source_lnp_prefix, tmp2, sizeof(cdr->source_lnp_prefix));
tmp2 = ++tmp1;
tmp1 = strchr(tmp2, MED_SEP);
if(tmp1 == NULL)
{
if (strict_leg_tokens) {
syslog(LOG_WARNING, "Call-Id '%s' has no separated source user out, '%s'", cdr->call_id, tmp2);
return -1;
} else {
cdr->source_user_out[0] = '\0';
syslog(LOG_WARNING, "Call-Id '%s' src leg has missing tokens (using empty user out) '%s'", cdr->call_id, tmp2);
return 0;
}
}
*tmp1 = '\0';
g_strlcpy(cdr->source_user_out, tmp2, sizeof(cdr->source_user_out));
tmp2 = ++tmp1;
tmp1 = strchr(tmp2, MED_SEP);
if(tmp1 == NULL)
{
syslog(LOG_WARNING, "Call-Id '%s' has no separated source lnp type, '%s'", cdr->call_id, tmp2);
return -1;
}
*tmp1 = '\0';
g_strlcpy(cdr->source_lnp_type, tmp2, sizeof(cdr->source_lnp_type));
tmp2 = ++tmp1;
return 0;
}
static int cdr_parse_dstleg(char *dstleg, cdr_entry_t *cdr)
{
char *tmp1, *tmp2;
tmp2 = dstleg;
tmp1 = strchr(tmp2, MED_SEP);
if(tmp1 == NULL)
{
syslog(LOG_WARNING, "Call-Id '%s' has no separated split flag, '%s'", cdr->call_id, tmp2);
return -1;
}
*tmp1 = '\0';
cdr->split = atoi(tmp2);
tmp2 = ++tmp1;
tmp1 = strchr(tmp2, MED_SEP);
if(tmp1 == NULL)
{
syslog(LOG_WARNING, "Call-Id '%s' has no separated destination external subscriber id, '%s'", cdr->call_id, tmp2);
return -1;
}
*tmp1 = '\0';
g_strlcpy(cdr->destination_ext_subscriber_id, tmp2, sizeof(cdr->destination_ext_subscriber_id));
uri_unescape(cdr->destination_ext_subscriber_id);
tmp2 = ++tmp1;
tmp1 = strchr(tmp2, MED_SEP);
if(tmp1 == NULL)
{
syslog(LOG_WARNING, "Call-Id '%s' has no separated destination external contract id, '%s'", cdr->call_id, tmp2);
return -1;
}
*tmp1 = '\0';
g_strlcpy(cdr->destination_ext_contract_id, tmp2, sizeof(cdr->destination_ext_contract_id));
uri_unescape(cdr->destination_ext_contract_id);
tmp2 = ++tmp1;
tmp1 = strchr(tmp2, MED_SEP);
if(tmp1 == NULL)
{
syslog(LOG_WARNING, "Call-Id '%s' has no separated destination account id, '%s'", cdr->call_id, tmp2);
return -1;
}
*tmp1 = '\0';
cdr->destination_account_id = atoll(tmp2);
tmp2 = ++tmp1;
tmp1 = strchr(tmp2, MED_SEP);
if(tmp1 == NULL)
{
syslog(LOG_WARNING, "Call-Id '%s' has no separated dialed digits", cdr->call_id);
return -1;
}
*tmp1 = '\0';
g_strlcpy(cdr->destination_dialed, tmp2, sizeof(cdr->destination_dialed));
tmp2 = ++tmp1;
tmp1 = strchr(tmp2, MED_SEP);
if(tmp1 == NULL)
{
syslog(LOG_WARNING, "Call-Id '%s' has no separated destination user id", cdr->call_id);
return -1;
}
*tmp1 = '\0';
g_strlcpy(cdr->destination_user_id, tmp2, sizeof(cdr->destination_user_id));
tmp2 = ++tmp1;
tmp1 = strchr(tmp2, MED_SEP);
if(tmp1 == NULL)
{
syslog(LOG_WARNING, "Call-Id '%s' has no separated destination user", cdr->call_id);
return -1;
}
*tmp1 = '\0';
g_strlcpy(cdr->destination_user, tmp2, sizeof(cdr->destination_user));
tmp2 = ++tmp1;
tmp1 = strchr(tmp2, MED_SEP);
if(tmp1 == NULL)
{
syslog(LOG_WARNING, "Call-Id '%s' has no separated destination domain", cdr->call_id);
return -1;
}
*tmp1 = '\0';
g_strlcpy(cdr->destination_domain, tmp2, sizeof(cdr->destination_domain));
tmp2 = ++tmp1;
tmp1 = strchr(tmp2, MED_SEP);
if(tmp1 == NULL)
{
syslog(LOG_WARNING, "Call-Id '%s' has no separated incoming destination user", cdr->call_id);
return -1;
}
*tmp1 = '\0';
g_strlcpy(cdr->destination_user_in, tmp2, sizeof(cdr->destination_user_in));
tmp2 = ++tmp1;
tmp1 = strchr(tmp2, MED_SEP);
if(tmp1 == NULL)
{
syslog(LOG_WARNING, "Call-Id '%s' has no separated incoming destination domain", cdr->call_id);
return -1;
}
*tmp1 = '\0';
g_strlcpy(cdr->destination_domain_in, tmp2, sizeof(cdr->destination_domain_in));
tmp2 = ++tmp1;
tmp1 = strchr(tmp2, MED_SEP);
if(tmp1 == NULL)
{
syslog(LOG_WARNING, "Call-Id '%s' has no separated destination lcr id, '%s'", cdr->call_id, tmp2);
return -1;
}
*tmp1 = '\0';
cdr->destination_lcr_id = atoll(tmp2);
tmp2 = ++tmp1;
int i;
for(i = 0; i < 10; ++i)
{
tmp1 = strchr(tmp2, MED_SEP);
if(tmp1 == NULL)
{
syslog(LOG_WARNING, "Call-Id '%s' has no separated destination gpp %d, '%s'", cdr->call_id, i, tmp2);
return -1;
}
*tmp1 = '\0';
g_strlcpy(cdr->destination_gpp[i], tmp2, sizeof(cdr->destination_gpp[i]));
tmp2 = ++tmp1;
}
tmp1 = strchr(tmp2, MED_SEP);
if(tmp1 == NULL)
{
if (strict_leg_tokens) {
syslog(LOG_WARNING, "Call-Id '%s' has no separated destination lnp prefix, '%s'", cdr->call_id, tmp2);
return -1;
} else {
cdr->destination_lnp_prefix[0] = '\0';
cdr->destination_user_out[0] = '\0';
syslog(LOG_WARNING, "Call-Id '%s' dst leg has missing tokens (using empty lnp prefix, user out) '%s'", cdr->call_id, tmp2);
return 0;
}
}
*tmp1 = '\0';
g_strlcpy(cdr->destination_lnp_prefix, tmp2, sizeof(cdr->destination_lnp_prefix));
tmp2 = ++tmp1;
tmp1 = strchr(tmp2, MED_SEP);
if(tmp1 == NULL)
{
if (strict_leg_tokens) {
syslog(LOG_WARNING, "Call-Id '%s' has no separated destination user out, '%s'", cdr->call_id, tmp2);
return -1;
} else {
cdr->destination_user_out[0] = '\0';
syslog(LOG_WARNING, "Call-Id '%s' dst leg has missing tokens (using empty user out) '%s'", cdr->call_id, tmp2);
return 0;
}
}
*tmp1 = '\0';
g_strlcpy(cdr->destination_user_out, tmp2, sizeof(cdr->destination_user_out));
tmp2 = ++tmp1;
tmp1 = strchr(tmp2, MED_SEP);
if(tmp1 == NULL)
{
syslog(LOG_WARNING, "Call-Id '%s' has no separated destination lnp type, '%s'", cdr->call_id, tmp2);
return -1;
}
*tmp1 = '\0';
g_strlcpy(cdr->destination_lnp_type, tmp2, sizeof(cdr->destination_lnp_type));
tmp2 = ++tmp1;
return 0;
}
static int cdr_create_cdrs(med_entry_t *records, u_int64_t count,
cdr_entry_t **cdrs, u_int64_t *cdr_count, u_int8_t *trash)
{
u_int64_t i = 0, cdr_index = 0;
u_int32_t invites = 0;
size_t cdr_size;
char *endtime = NULL;
double unix_endtime = 0, tmp_unix_endtime = 0;
const char *call_status;
*cdr_count = 0;
/* get end time from BYE's timestamp */
for(i = 0; i < count; ++i)
{
med_entry_t *e = &(records[i]);
if(e->valid && e->method == MED_INVITE)
{
++invites;
}
else if(e->method == MED_BYE && endtime == NULL)
{
endtime = e->timestamp;
unix_endtime = e->unix_timestamp;
}
if (check_shutdown())
return -1;
}
if(invites == 0)
{
syslog(LOG_CRIT, "No valid INVITEs for creating a cdr, internal error, callid='%s'",
records[0].callid);
return -1;
}
/* each INVITE maps to a CDR */
cdr_size = sizeof(cdr_entry_t) * invites;
*cdrs = (cdr_entry_t*)malloc(cdr_size);
if(*cdrs == NULL)
{
syslog(LOG_ERR, "Error allocating memory for cdrs: %s", strerror(errno));
return -1;
}
memset(*cdrs, 0, cdr_size);
for(i = 0; i < count; ++i)
{
med_entry_t *e = NULL;
cdr_entry_t *cdr = NULL;
cdr = &(*cdrs)[cdr_index];
e = &(records[i]);
call_status = cdr_map_status(e->sip_code);
if(e->valid && e->method == MED_INVITE && call_status != NULL)
{
++cdr_index;
if(strncmp("200", e->sip_code, 3))
{
/* missed calls have duration of 0 */
tmp_unix_endtime = e->unix_timestamp;
}
else
{
tmp_unix_endtime = unix_endtime;
}
g_strlcpy(cdr->call_id, e->callid, sizeof(cdr->call_id));
/* g_strlcpy(cdr->start_time, e->timestamp, sizeof(cdr->start_time)); */
cdr->start_time = e->unix_timestamp;
cdr->duration = (tmp_unix_endtime >= e->unix_timestamp) ? tmp_unix_endtime - e->unix_timestamp : 0;
g_strlcpy(cdr->call_status, call_status, sizeof(cdr->call_status));
g_strlcpy(cdr->call_code, e->sip_code, sizeof(cdr->call_code));
cdr->source_carrier_cost = 0;
cdr->source_reseller_cost = 0;
cdr->source_customer_cost = 0;
cdr->destination_carrier_cost = 0;
cdr->destination_reseller_cost = 0;
cdr->destination_customer_cost = 0;
if(cdr_parse_srcleg(e->src_leg, cdr) < 0)
{
*trash = 1;
return 0;
}
if(cdr_parse_dstleg(e->dst_leg, cdr) < 0)
{
*trash = 1;
return 0;
}
if(cdr_fill_record(cdr) != 0)
{
// TODO: error handling
}
}
if (check_shutdown())
return -1;
}
*cdr_count = cdr_index;
/*syslog(LOG_DEBUG, "Created %llu CDRs:", *cdr_count);*/
return 0;
}
int cdr_fill_record(cdr_entry_t *cdr)
{
cdr_set_provider(cdr);
/*
if(cdr->source_clir)
{
strcpy(cdr->source_cli, "anonymous");
}
*/
return 0;
}
void cdr_set_provider(cdr_entry_t *cdr)
{
char *val;
if(strncmp("0", cdr->source_user_id, sizeof(cdr->source_user_id)) != 0)
{
if((val = g_hash_table_lookup(med_uuid_table, cdr->source_user_id)) != NULL)
{
g_strlcpy(cdr->source_provider_id, val, sizeof(cdr->source_provider_id));
}
else
{
g_strlcpy(cdr->source_provider_id, "0", sizeof(cdr->source_provider_id));
}
}
else if((val = g_hash_table_lookup(med_peer_ip_table, cdr->source_domain)) != NULL)
{
g_strlcpy(cdr->source_provider_id, val, sizeof(cdr->source_provider_id));
}
else if((val = g_hash_table_lookup(med_peer_host_table, cdr->source_domain)) != NULL)
{
g_strlcpy(cdr->source_provider_id, val, sizeof(cdr->source_provider_id));
}
else
{
g_strlcpy(cdr->source_provider_id, "0", sizeof(cdr->source_provider_id));
}
if(strncmp("0", cdr->destination_user_id, sizeof(cdr->destination_user_id)) != 0)
{
if((val = g_hash_table_lookup(med_uuid_table, cdr->destination_user_id)) != NULL)
{
g_strlcpy(cdr->destination_provider_id, val, sizeof(cdr->destination_provider_id));
}
else
{
g_strlcpy(cdr->destination_provider_id, "0", sizeof(cdr->destination_provider_id));
}
}
else if (cdr->destination_lcr_id) {
snprintf(cdr->destination_provider_id, sizeof(cdr->destination_provider_id),
"%llu", (unsigned long long) cdr->destination_lcr_id);
val = g_hash_table_lookup(med_peer_id_table, cdr->destination_provider_id);
g_strlcpy(cdr->destination_provider_id, val ? : "0", sizeof(cdr->destination_provider_id));
}
else if((val = g_hash_table_lookup(med_peer_ip_table, cdr->destination_domain)) != NULL)
{
g_strlcpy(cdr->destination_provider_id, val, sizeof(cdr->destination_provider_id));
}
else if((val = g_hash_table_lookup(med_peer_host_table, cdr->destination_domain)) != NULL)
{
g_strlcpy(cdr->destination_provider_id, val, sizeof(cdr->destination_provider_id));
}
else
{
g_strlcpy(cdr->destination_provider_id, "0", sizeof(cdr->destination_provider_id));
}
}