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|
#include "bandwidthd.h"
#include <setjmp.h>
extern struct config config;
extern unsigned int IpCount;
extern struct Broadcast *Broadcasts;
extern time_t ProgramStart;
jmp_buf pgsqljmp;
#ifdef HAVE_LIBPQ
#include "postgresql/libpq-fe.h"
#define MAX_PARAM_SIZE 200
// Check that tables exist and create them if not
PGconn *pgsqlCheckTables(PGconn *conn)
{
PGresult *res;
res = PQexec(conn, "select tablename from pg_tables where tablename='sensors';");
if (PQresultStatus(res) != PGRES_TUPLES_OK)
{
syslog(LOG_ERR, "Postresql Select failed: %s", PQerrorMessage(conn));
PQclear(res);
PQfinish(conn);
return(NULL);
}
if (PQntuples(res) != 1)
{
PQclear(res);
res = PQexec(conn, "CREATE TABLE bd_rx_log (sensor_id int, ip inet, timestamp timestamp with time zone DEFAULT now(), sample_duration int, packet_count int, total int, icmp int, udp int, tcp int, ftp int, http int, mail int, p2p int); create index bd_rx_log_sensor_id_ip_timestamp_idx on bd_rx_log (sensor_id, ip, timestamp); create index bd_rx_log_sensor_id_timestamp_idx on bd_rx_log(sensor_id, timestamp);");
if (PQresultStatus(res) != PGRES_COMMAND_OK)
{
syslog(LOG_ERR, "Postresql create table bd_rx_log failed: %s", PQerrorMessage(conn));
PQclear(res);
PQfinish(conn);
return(NULL);
}
PQclear(res);
res = PQexec(conn, "CREATE TABLE bd_tx_log (sensor_id int, ip inet, timestamp timestamp with time zone DEFAULT now(), sample_duration int, packet_count int, total int, icmp int, udp int, tcp int, ftp int, http int, mail int, p2p int); create index bd_tx_log_sensor_id_ip_timestamp_idx on bd_tx_log (sensor_id, ip, timestamp); create index bd_tx_log_sensor_id_timestamp_idx on bd_tx_log(sensor_id, timestamp);");
if (PQresultStatus(res) != PGRES_COMMAND_OK)
{
syslog(LOG_ERR, "Postresql create table bd_tx_log failed: %s", PQerrorMessage(conn));
PQclear(res);
PQfinish(conn);
return(NULL);
}
PQclear(res);
res = PQexec(conn, "CREATE TABLE bd_rx_total_log (sensor_id int, ip inet, timestamp timestamp with time zone DEFAULT now(), sample_duration int, packet_count int, total int, icmp int, udp int, tcp int, ftp int, http int, mail int, p2p int); create index bd_rx_total_log_sensor_id_timestamp_ip_idx on bd_rx_total_log (sensor_id, timestamp);");
if (PQresultStatus(res) != PGRES_COMMAND_OK)
{
syslog(LOG_ERR, "Postresql create table bd_rx_total_log failed: %s", PQerrorMessage(conn));
PQclear(res);
PQfinish(conn);
return(NULL);
}
PQclear(res);
res = PQexec(conn, "CREATE TABLE bd_tx_total_log (sensor_id int, ip inet, timestamp timestamp with time zone DEFAULT now(), sample_duration int, packet_count int, total int, icmp int, udp int, tcp int, ftp int, http int, mail int, p2p int); create index bd_tx_total_log_sensor_id_timestamp_ip_idx on bd_tx_total_log (sensor_id, timestamp);");
if (PQresultStatus(res) != PGRES_COMMAND_OK)
{
syslog(LOG_ERR, "Postresql create table bd_tx_total_log failed: %s", PQerrorMessage(conn));
PQclear(res);
PQfinish(conn);
return(NULL);
}
PQclear(res);
res = PQexec(conn, "CREATE TABLE sensors ( sensor_id serial PRIMARY KEY, sensor_name varchar, location int, build int default 0, uptime interval, reboots int default 0, interface varchar, description varchar, management_url varchar, last_connection timestamp with time zone );");
if (PQresultStatus(res) != PGRES_COMMAND_OK)
{
syslog(LOG_ERR, "Postresql create table sensors failed: %s", PQerrorMessage(conn));
PQclear(res);
PQfinish(conn);
return(NULL);
}
PQclear(res);
res = PQexec(conn, "CREATE TABLE links (id1 int, id2 int, plot boolean default TRUE, last_update timestamp with time zone);");
if (PQresultStatus(res) != PGRES_COMMAND_OK)
{
syslog(LOG_ERR, "Postresql create table links failed: %s", PQerrorMessage(conn));
PQclear(res);
PQfinish(conn);
return(NULL);
}
PQclear(res);
return(conn);
}
else
{
PQclear(res);
// Patch database to include mail column if it doesn't alread exist
res = PQexec(conn, "SELECT table_name, column_name from information_schema.columns where table_name = 'bd_rx_log' and column_name = 'mail';");
if (PQresultStatus(res) != PGRES_TUPLES_OK)
{
syslog(LOG_ERR, "Postresql Select failed: %s", PQerrorMessage(conn));
PQclear(res);
PQfinish(conn);
return(NULL);
}
if (PQntuples(res) != 1)
{
PQclear(res);
res = PQexec(conn, "alter table bd_rx_log add column mail int;");
if (PQresultStatus(res) != PGRES_COMMAND_OK)
{
syslog(LOG_ERR, "Add column failed: %s", PQerrorMessage(conn));
PQclear(res);
PQfinish(conn);
return(NULL);
}
PQclear(res);
res = PQexec(conn, "alter table bd_tx_log add column mail int;");
if (PQresultStatus(res) != PGRES_COMMAND_OK)
{
syslog(LOG_ERR, "Add column failed: %s", PQerrorMessage(conn));
PQclear(res);
PQfinish(conn);
return(NULL);
}
PQclear(res);
res = PQexec(conn, "alter table bd_rx_total_log add column mail int;");
if (PQresultStatus(res) != PGRES_COMMAND_OK)
{
syslog(LOG_ERR, "Add column failed: %s", PQerrorMessage(conn));
PQclear(res);
PQfinish(conn);
return(NULL);
}
PQclear(res);
res = PQexec(conn, "alter table bd_tx_total_log add column mail int;");
if (PQresultStatus(res) != PGRES_COMMAND_OK)
{
syslog(LOG_ERR, "Add column failed: %s", PQerrorMessage(conn));
PQclear(res);
PQfinish(conn);
return(NULL);
}
PQclear(res);
}
else
{
PQclear(res);
}
return(conn);
}
}
PGconn *pgsqlInit(void)
{
PGconn *conn = NULL;
conn = PQconnectdb(config.db_connect_string);
/* Check to see that the backend connection was successfully made */
if (PQstatus(conn) != CONNECTION_OK)
{
syslog(LOG_ERR, "Connection to database '%s' failed: %s", config.db_connect_string, PQerrorMessage(conn));
PQfinish(conn);
return(NULL);
}
return(conn);
}
PGconn *pgsqlDetermineSensorID(PGconn *conn, char *sensor_id, char *sensor_name, char *interface)
{
const char *paramValues[3];
char Values[2][MAX_PARAM_SIZE];
PGresult *res;
paramValues[0] = Values[0];
paramValues[1] = Values[1];
strncpy(Values[0], sensor_name, MAX_PARAM_SIZE);
strncpy(Values[1], interface, MAX_PARAM_SIZE);
res = PQexecParams(conn, "select sensor_id from sensors where sensor_name = $1 and interface = $2;",
2, /* number of params */
NULL, /* let the backend deduce param type */
paramValues,
NULL, /* don't need param lengths since text */
NULL, /* default to all text params */
0); /* ask for binary results */
if (PQresultStatus(res) != PGRES_TUPLES_OK)
{
syslog(LOG_ERR, "Postresql SELECT failed: %s", PQerrorMessage(conn));
PQclear(res);
PQfinish(conn);
return(NULL);
}
if (PQntuples(res))
{
strncpy(sensor_id, PQgetvalue(res, 0, 0), MAX_PARAM_SIZE);
PQclear(res);
return(conn);
}
else
{
sensor_id[0] = '\0';
return(conn);
}
}
PGconn *pgsqlCreateSensorID(PGconn *conn, char *sensor_id)
{
const char *paramValues[3];
char Values[3][MAX_PARAM_SIZE];
PGresult *res;
paramValues[0] = Values[0];
paramValues[1] = Values[1];
paramValues[2] = Values[2];
res = PQexec(conn, "select nextval('sensors_sensor_id_seq'::Text);");
if (PQresultStatus(res) != PGRES_TUPLES_OK)
{
syslog(LOG_ERR, "Postresql select failed: %s", PQerrorMessage(conn));
PQclear(res);
PQfinish(conn);
return(NULL);
}
strncpy(sensor_id, PQgetvalue(res, 0, 0), MAX_PARAM_SIZE);
PQclear(res);
strncpy(Values[0], config.sensor_name, MAX_PARAM_SIZE);
strncpy(Values[1], config.dev, MAX_PARAM_SIZE);
strncpy(Values[2], sensor_id, MAX_PARAM_SIZE);
// Insert new sensor id
res = PQexecParams(conn, "insert into sensors (sensor_name, interface, sensor_id) VALUES ($1, $2, $3);",
3, /* number of parameters */
NULL, /* let the backend deduce param type */
paramValues,
NULL, /* don't need param lengths since text */
NULL, /* default to all text params */
0); /* ask for binary results */
if (PQresultStatus(res) != PGRES_COMMAND_OK)
{
syslog(LOG_ERR, "Postresql INSERT failed: %s", PQerrorMessage(conn));
PQclear(res);
PQfinish(conn);
return(NULL);
}
else
{
PQclear(res);
return(conn);
}
}
PGconn *pgsqlUpdateLinkStatus(PGconn *conn, char *sensor_id)
{
struct Broadcast *bc;
unsigned long diff;
const char *paramValues[3];
char Values[3][MAX_PARAM_SIZE];
PGresult *res;
paramValues[0] = Values[0];
paramValues[1] = Values[1];
paramValues[2] = Values[2];
for (bc = Broadcasts; bc; bc = bc->next)
{
strncpy(Values[0], sensor_id, MAX_PARAM_SIZE);
// Determine numeric sensor ID of other sensor
if (!(conn = pgsqlDetermineSensorID(conn, Values[1], bc->sensor_name, bc->interface)))
return(NULL);
if (!Values[1][0])
{
syslog(LOG_ERR, "Sensor '%s - %s' does not exist in database, skiping link update", bc->sensor_name, bc->interface);
continue;
}
diff = time(NULL) - bc->received;
snprintf(Values[2], MAX_PARAM_SIZE, "%lu", diff);
res = PQexecParams(conn, "update links set last_update = now()-($3*interval '1 second') where (id1 = $1 and id2 = $2) or (id1 = $2 and id2 = $1);",
3, /* number of parameters */
NULL, /* let the backend deduce param type */
paramValues,
NULL, /* don't need param lengths since text */
NULL, /* default to all text params */
0); /* ask for binary results */
if (PQresultStatus(res) != PGRES_COMMAND_OK)
{
syslog(LOG_ERR, "Postresql Update of links table failed: %s", PQerrorMessage(conn));
PQclear(res);
PQfinish(conn);
return(NULL);
}
// There may be duplicate rows
if (atol(PQcmdTuples(res)) > 0)
{
PQclear(res); // Sucess, allow loop to fall through
}
else
{
PQclear(res);
// Link doesn't exist so we must add it
diff = time(NULL) - bc->received;
snprintf(Values[2], MAX_PARAM_SIZE, "%lu", diff);
res = PQexecParams(conn, "insert into links (id1, id2, last_update) values ($1, $2, now()-($3*interval '1 second'));",
3, /* number of parameters */
NULL, /* let the backend deduce param type */
paramValues,
NULL, /* don't need param lengths since text */
NULL, /* default to all text params */
0); /* ask for binary results */
if (PQresultStatus(res) != PGRES_COMMAND_OK)
{
syslog(LOG_ERR, "Postresql Insert into links table failed: %s", PQerrorMessage(conn));
PQclear(res);
PQfinish(conn);
return(NULL);
}
PQclear(res);
}
}
return(conn);
}
PGconn *pgsqlUpdateSensorStatus(PGconn *conn, char *sensor_id)
{
const char *paramValues[5];
char Values[5][MAX_PARAM_SIZE];
PGresult *res;
paramValues[0] = Values[0];
paramValues[1] = Values[1];
paramValues[2] = Values[2];
paramValues[3] = Values[3];
paramValues[4] = Values[4];
strncpy(Values[0], sensor_id, MAX_PARAM_SIZE);
strncpy(Values[1], config.description, MAX_PARAM_SIZE);
strncpy(Values[2], config.management_url, MAX_PARAM_SIZE);
snprintf(Values[3], MAX_PARAM_SIZE, "%u", BUILD);
snprintf(Values[4], MAX_PARAM_SIZE, "%lu", time(NULL)-ProgramStart);
res = PQexecParams(conn, "update sensors set description = $2, management_url = $3, last_connection = now(), build = $4, uptime = $5*interval '1 second' where sensor_id = $1;",
5, /* number of parameters */
NULL, /* let the backend deduce param type */
paramValues,
NULL, /* don't need param lengths since text */
NULL, /* default to all text params */
0); /* ask for binary results */
if (PQresultStatus(res) != PGRES_COMMAND_OK)
{
syslog(LOG_ERR, "Postresql UPDATE description and management_url failed: %s", PQerrorMessage(conn));
PQclear(res);
PQfinish(conn);
return(NULL);
}
else
{
PQclear(res);
return(conn);
}
}
PGconn *pgsqlIncReboots(PGconn *conn, char *sensor_id)
{
const char *paramValues[1];
char Values[1][MAX_PARAM_SIZE];
PGresult *res;
paramValues[0] = Values[0];
strncpy(Values[0], sensor_id, MAX_PARAM_SIZE);
res = PQexecParams(conn, "update sensors set reboots = reboots+1 where sensor_id = $1;",
1, /* number of parameters */
NULL, /* let the backend deduce param type */
paramValues,
NULL, /* don't need param lengths since text */
NULL, /* default to all text params */
0); /* ask for binary results */
if (PQresultStatus(res) != PGRES_COMMAND_OK)
{
syslog(LOG_ERR, "Postresql UPDATE reboots failed: %s", PQerrorMessage(conn));
PQclear(res);
PQfinish(conn);
return(NULL);
}
else
{
PQclear(res);
return(conn);
}
}
#endif
static void pgsqllngjmp(int signal)
{
longjmp(pgsqljmp, 1);
}
void pgsqlStoreIPData(struct IPData IncData[], struct extensions *extension_data)
{
#ifdef HAVE_LIBPQ
static char sensor_id[MAX_PARAM_SIZE] = { '\0' };
static pid_t child = 0;
struct IPData *IPData;
unsigned int Counter;
struct Statistics *Stats;
PGresult *res;
PGconn *conn = NULL;
char now[MAX_PARAM_SIZE];
// This is higher than Values below for the extensions code
const char *paramValues[22];
char *sql1;
char *sql2;
char Values[13][MAX_PARAM_SIZE];
if (!config.output_database == DB_PGSQL)
return;
// Start of actual work
paramValues[0] = Values[0];
paramValues[1] = Values[1];
paramValues[2] = Values[2];
paramValues[3] = Values[3];
paramValues[4] = Values[4];
paramValues[5] = Values[5];
paramValues[6] = Values[6];
paramValues[7] = Values[7];
paramValues[8] = Values[8];
paramValues[9] = Values[9];
paramValues[10] = Values[10];
paramValues[11] = Values[11];
paramValues[12] = Values[12];
// ************ Inititialize the db if it's not already
// Do initialization in main thread in order to prevent doing sensor_id work repeatedly
if (!sensor_id[0]) // Determine numeric sensor ID
{
/* I don't know how safe interupting pgsql's calls to the database
are, and since we're working in the main process here I picked a higher interval
soas to interupt less frequently. If I don't do this, the whole process gets locked up
when the database is unreachable so it can only help. */
alarm(config.interval*5);
signal(SIGALRM, pgsqllngjmp);
if (setjmp(pgsqljmp))
{
syslog(LOG_ERR, "Timeout when working with database");
return;
}
syslog(LOG_INFO, "Initializing database info");
conn = pgsqlInit();
if (!conn)
{
syslog(LOG_ERR, "Could not connect to database");
alarm(0);
return;
}
if (!(conn = pgsqlCheckTables(conn))) // Create tables if neccisary
{
syslog(LOG_ERR, "Failed to check or create database tables");
alarm(0);
return;
}
if (!(conn = pgsqlDetermineSensorID(conn, sensor_id, config.sensor_name, config.dev)))
{
syslog(LOG_ERR, "Failed to determine sensor_id");
alarm(0);
return;
}
if (!sensor_id[0]) // Create a new sensor ID
if (!(conn = pgsqlCreateSensorID(conn, sensor_id)))
{
syslog(LOG_ERR, "Failed to create new sensor_id");
alarm(0);
return;
}
pgsqlIncReboots(conn, sensor_id);
PQfinish(conn);
conn = NULL;
syslog(LOG_INFO, "Sensor ID: %s", sensor_id);
alarm(0);
}
// If we have a valid child see if he has exited
if (child > 0)
{
if (waitpid(child, NULL, WNOHANG) == 0)
{
syslog(LOG_ERR, "Logging child still active: No response or slow database? Killing child.");
kill(child, SIGKILL);
waitpid(child, NULL, 0);
}
}
// Fork to allow bandwidthd to operate un-interupted
if ((child = fork()))
return;
conn = pgsqlInit();
if (!conn)
{
syslog(LOG_ERR, "Could not connect to database");
_exit(2);
}
// Update sensor state
if (!(conn = pgsqlUpdateSensorStatus(conn, sensor_id)))
{
syslog(LOG_ERR, "Could not update sensor status");
_exit(2);
}
// Update link state
if (!(conn = pgsqlUpdateLinkStatus(conn, sensor_id)))
{
syslog(LOG_ERR, "Count not update link status");
_exit(2);
}
// Determine Now
res = PQexecParams(conn, "select now();",
0, /* number of params */
NULL, /* let the backend deduce param type */
NULL,
NULL, /* don't need param lengths since text */
NULL, /* default to all text params */
0); /* ask for binary results */
if (PQresultStatus(res) != PGRES_TUPLES_OK)
{
syslog(LOG_ERR, "Postresql SELECT failed: %s", PQerrorMessage(conn));
PQclear(res);
PQfinish(conn);
_exit(2);
}
strncpy(now, PQgetvalue(res, 0, 0), MAX_PARAM_SIZE);
PQclear(res);
// Begin transaction
// **** Perform inserts
strncpy(Values[0], sensor_id, MAX_PARAM_SIZE);
strncpy(Values[1], now, MAX_PARAM_SIZE);
snprintf(Values[2], MAX_PARAM_SIZE, "%llu", config.interval);
for (Counter=0; Counter < IpCount; Counter++)
{
IPData = &IncData[Counter];
if (IPData->ip == 0)
{
// This optimization allows us to quickly draw totals graphs for a sensor
sql1 = "INSERT INTO bd_tx_total_log (sensor_id, timestamp, sample_duration, ip, packet_count,total, icmp, udp, tcp, ftp, http, mail, p2p) VALUES($1, $2, $3, $4, $5, $6, $7, $8, $9, $10, $11, $12, $13);";
sql2 = "INSERT INTO bd_rx_total_log (sensor_id, timestamp, sample_duration, ip, packet_count,total, icmp, udp, tcp, ftp, http, mail, p2p) VALUES($1, $2, $3, $4, $5, $6, $7, $8, $9, $10, $11, $12, $13);";
}
else
{
sql1 = "INSERT INTO bd_tx_log (sensor_id, timestamp, sample_duration, ip, packet_count, total, icmp, udp, tcp, ftp, http, mail, p2p) VALUES($1, $2, $3, $4, $5, $6, $7, $8, $9, $10, $11, $12, $13);";
sql2 = "INSERT INTO bd_rx_log (sensor_id, timestamp, sample_duration, ip, packet_count, total, icmp, udp, tcp, ftp, http, mail, p2p) VALUES($1, $2, $3, $4, $5, $6, $7, $8, $9, $10, $11, $12, $13);";
}
HostIp2CharIp(IPData->ip, Values[3]);
Stats = &(IPData->Send);
if (Stats->total > 512) // Don't log empty sets
{
// Log data in kilobytes
snprintf(Values[4], MAX_PARAM_SIZE, "%llu", Stats->packet_count);
snprintf(Values[5], MAX_PARAM_SIZE, "%llu", (long long unsigned int)((((double)Stats->total)/1024.0) + 0.5));
snprintf(Values[6], MAX_PARAM_SIZE, "%llu", (long long unsigned int)((((double)Stats->icmp)/1024.0) + 0.5));
snprintf(Values[7], MAX_PARAM_SIZE, "%llu", (long long unsigned int)((((double)Stats->udp)/1024.0) + 0.5));
snprintf(Values[8], MAX_PARAM_SIZE, "%llu", (long long unsigned int)((((double)Stats->tcp)/1024.0) + 0.5));
snprintf(Values[9], MAX_PARAM_SIZE, "%llu", (long long unsigned int)((((double)Stats->ftp)/1024.0) + 0.5));
snprintf(Values[10], MAX_PARAM_SIZE, "%llu", (long long unsigned int)((((double)Stats->http)/1024.0) + 0.5));
snprintf(Values[11], MAX_PARAM_SIZE, "%llu", (long long unsigned int)((((double)Stats->mail)/1024.0) + 0.5));
snprintf(Values[12], MAX_PARAM_SIZE, "%llu", (long long unsigned int)((((double)Stats->p2p)/1024.0) + 0.5));
res = PQexecParams(conn, sql1,
13,
NULL, /* let the backend deduce param type */
paramValues,
NULL, /* don't need param lengths since text */
NULL, /* default to all text params */
1); /* ask for binary results */
if (PQresultStatus(res) != PGRES_COMMAND_OK)
{
syslog(LOG_ERR, "Postresql INSERT failed: %s", PQerrorMessage(conn));
PQclear(res);
PQfinish(conn);
conn = NULL;
_exit(2);
}
PQclear(res);
}
Stats = &(IPData->Receive);
if (Stats->total > 512) // Don't log empty sets
{
snprintf(Values[4], MAX_PARAM_SIZE, "%llu", Stats->packet_count);
snprintf(Values[5], MAX_PARAM_SIZE, "%llu", (long long unsigned int)((((double)Stats->total)/1024.0) + 0.5));
snprintf(Values[6], MAX_PARAM_SIZE, "%llu", (long long unsigned int)((((double)Stats->icmp)/1024.0) + 0.5));
snprintf(Values[7], MAX_PARAM_SIZE, "%llu", (long long unsigned int)((((double)Stats->udp)/1024.0) + 0.5));
snprintf(Values[8], MAX_PARAM_SIZE, "%llu", (long long unsigned int)((((double)Stats->tcp)/1024.0) + 0.5));
snprintf(Values[9], MAX_PARAM_SIZE, "%llu", (long long unsigned int)((((double)Stats->ftp)/1024.0) + 0.5));
snprintf(Values[10], MAX_PARAM_SIZE, "%llu", (long long unsigned int)((((double)Stats->http)/1024.0) + 0.5));
snprintf(Values[11], MAX_PARAM_SIZE, "%llu", (long long unsigned int)((((double)Stats->mail)/1024.0) + 0.5));
snprintf(Values[12], MAX_PARAM_SIZE, "%llu", (long long unsigned int)((((double)Stats->p2p)/1024.0) + 0.5));
res = PQexecParams(conn, sql2,
13,
NULL, /* let the backend deduce param type */
paramValues,
NULL, /* don't need param lengths since text */
NULL, /* default to all text params */
1); /* ask for binary results */
if (PQresultStatus(res) != PGRES_COMMAND_OK)
{
syslog(LOG_ERR, "Postresql INSERT failed: %s", PQerrorMessage(conn));
PQclear(res);
PQfinish(conn);
conn = NULL;
_exit(2);
}
PQclear(res);
}
}
// Insert extension data
if (extension_data)
{
char *sql;
char *ptr;
int len, Counter;
int fields;
struct extensions *extptr;
// Allocate SQL buffer;
for(extptr = extension_data, len=200, fields=0; extptr; extptr = extptr->next)
{
len += strlen(extptr->name)+6;
fields++;
}
if (fields > 20)
{
fields = 20;
syslog(LOG_ERR, "pgsql: This module limited to 20 extension fields");
}
sql = malloc(len);
if (!sql)
{
syslog(LOG_ERR, "Could not allocate RAM for extension SQL statement. Size: %d", len);
PQfinish(conn);
conn = NULL;
_exit(2);
}
// Write SQL statement
ptr = sql;
ptr += sprintf(ptr, "INSERT INTO extension_log (sensor_id, timestamp, ");
for(extptr = extension_data, Counter=0; Counter < fields; extptr = extptr->next, Counter++)
{
ptr += sprintf(ptr, "%s, ", extptr->name);
paramValues[Counter+2] = extptr->value;
}
ptr -= 2;
ptr += sprintf(ptr, ") VALUES ($1, $2, ");
for(extptr = extension_data, Counter=0; Counter < fields; extptr = extptr->next, Counter++)
ptr += sprintf(ptr, "$%d, ", Counter+3);
ptr -= 2;
ptr += sprintf(ptr, ");");
res = PQexecParams(conn, sql,
fields+2,
NULL, /* let the backend deduce param type */
paramValues,
NULL, /* don't need param lengths since text */
NULL, /* default to all text params */
1); /* ask for binary results */
if (PQresultStatus(res) != PGRES_COMMAND_OK)
{
syslog(LOG_ERR, "Postresql INSERT failed: %s", PQerrorMessage(conn));
PQclear(res);
PQfinish(conn);
conn = NULL;
_exit(2);
}
PQclear(res);
free(sql);
}
PQfinish(conn);
_exit(0);
#else
syslog(LOG_ERR, "Postgresql logging selected but postgresql support is not compiled into binary. Please check the documentation in README, distributed with this software.");
#endif
}
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