125 lines
2.3 KiB
C
125 lines
2.3 KiB
C
#include <unistd.h>
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#include "ecpgtype.h"
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#include "ecpglib.h"
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#include "ecpgerrno.h"
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#include "extern.h"
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#include "sqlca.h"
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static struct sqlca sqlca_init =
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{
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{'S', 'Q', 'L', 'C', 'A', ' ', ' ', ' '},
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sizeof(struct sqlca),
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0,
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{0, {0}},
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{'N', 'O', 'T', ' ', 'S', 'E', 'T', ' '},
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{0, 0, 0, 0, 0, 0},
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{0, 0, 0, 0, 0, 0, 0, 0},
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{0, 0, 0, 0, 0, 0, 0, 0}
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};
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static int simple_debug = 0;
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static FILE *debugstream = NULL;
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void
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init_sqlca(void)
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{
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memcpy((char *) &sqlca, (char *) &sqlca_init, sizeof(sqlca));
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}
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bool
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ecpg_init(const struct connection * con, const char *connection_name, const int lineno)
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{
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init_sqlca();
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if (con == NULL)
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{
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ECPGraise(lineno, ECPG_NO_CONN, connection_name ? connection_name : "NULL");
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return (false);
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}
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return (true);
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}
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bool
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ECPGstatus(int lineno, const char *connection_name)
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{
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struct connection *con = get_connection(connection_name);
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if (!ecpg_init(con, connection_name, lineno))
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return (false);
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/* are we connected? */
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if (con->connection == NULL)
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{
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ECPGlog("ECPGdo: not connected to %s\n", con->name);
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ECPGraise(lineno, ECPG_NOT_CONN, NULL);
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return false;
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}
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return (true);
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}
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bool
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ECPGtrans(int lineno, const char *connection_name, const char *transaction)
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{
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PGresult *res;
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struct connection *con = get_connection(connection_name);
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if (!ecpg_init(con, connection_name, lineno))
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return (false);
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ECPGlog("ECPGtrans line %d action = %s connection = %s\n", lineno, transaction, con->name);
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/* if we have no connection we just simulate the command */
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if (con && con->connection)
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{
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if ((res = PQexec(con->connection, transaction)) == NULL)
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{
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ECPGraise(lineno, ECPG_TRANS, NULL);
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return FALSE;
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}
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PQclear(res);
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}
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if (strcmp(transaction, "commit") == 0 || strcmp(transaction, "rollback") == 0)
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{
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con->committed = true;
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/* deallocate all prepared statements */
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if (!ECPGdeallocate_all(lineno))
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return false;
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}
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return true;
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}
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void
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ECPGdebug(int n, FILE *dbgs)
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{
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simple_debug = n;
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debugstream = dbgs;
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ECPGlog("ECPGdebug: set to %d\n", simple_debug);
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}
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void
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ECPGlog(const char *format,...)
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{
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va_list ap;
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if (simple_debug)
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{
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char *f = (char *) malloc(strlen(format) + 100);
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if (!f)
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return;
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sprintf(f, "[%d]: %s", (int) getpid(), format);
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va_start(ap, format);
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vfprintf(debugstream, f, ap);
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va_end(ap);
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free(f);
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}
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}
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