92 lines
2.5 KiB
C
92 lines
2.5 KiB
C
/*to use malloc*/
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#include <stdlib.h>
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/*to use libconfig*/
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#include <libconfig.h>
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/*to use struct pq_confo*/
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#include "pqconfo.h"
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/*get Postgresql connection information*/
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int get_pq_confo(const char * file,const struct pq_confo ** confo){
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/*declaration*/
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config_t cfg;
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const char * db, * host, * secret, * user;
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int port;
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fprintf(stdout,"get_pq_confo() Started...\n");
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/*initialise new and EMPTY config*/
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config_init(&cfg);
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/* Read the file. If there is an error, report it and exit. */
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/*TODO Validate config file name!*/
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if(! config_read_file(&cfg, file))
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{
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fprintf(stderr, "get_pq_confo() %s:%d - %s\n", config_error_file(&cfg),
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config_error_line(&cfg), config_error_text(&cfg));
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/*destroy config, BUT NOT the structure*/
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config_destroy(&cfg);
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return 2;
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}
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fprintf(stdout,"get_pq_confo() Parsing config file done\n");
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/*lookup db string*/
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if(config_lookup_string(&cfg, "pq.db", &db)){
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printf("get_pq_confo() db: %s\n", db);
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}else{
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fprintf(stderr, "get_pq_confo() NO 'db' setting in config file found.\n");
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return 3;
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}
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/*lookup host string*/
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if(config_lookup_string(&cfg, "pq.host", &host)){
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printf("get_pq_confo() host: %s\n", host);
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}else{
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fprintf(stderr, "get_pq_confo() NO 'host' setting in config file found.\n");
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return 4;
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}
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/*lookup secret string*/
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if(config_lookup_string(&cfg, "pq.secret", &secret)){
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printf("get_pq_confo() secret: %s\n", secret);
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}else{
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fprintf(stderr, "get_pq_confo() NO 'secret' setting in config file found.\n");
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return 5;
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}
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/*lookup user string*/
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if(config_lookup_string(&cfg, "pq.user", &user)){
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printf("get_pq_confo() user: %s\n", user);
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}else{
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fprintf(stderr, "get_pq_confo() NO 'user' setting in config file found.\n");
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return 6;
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}
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/*lookup port int*/
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if(config_lookup_int(&cfg, "pq.port", &port)){
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printf("get_pq_confo() port: %d\n", port);
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}else{
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fprintf(stderr, "get_pq_confo() NO 'port' setting in config file found.\n");
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return 7;
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}
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/*create struct*/
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struct pq_confo * pqConfo = (struct pq_confo *)malloc( sizeof(struct pq_confo));
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sprintf(pqConfo->db,"%s",db);
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sprintf(pqConfo->host,"%s",host);
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pqConfo->port=port;
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sprintf(pqConfo->secret,"%s",secret);
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sprintf(pqConfo->user,"%s",user);
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*confo = pqConfo;
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/*destroy config, BUT NOT the structure*/
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config_destroy(&cfg);
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/*return success*/
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return 0;
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}
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/*free Postgresql connection information*/
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int free_pq_confo(const struct pq_confo ** confo){
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free((struct pq_confo *)*confo);
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return 0;
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}
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