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Add docs, fix Makefile and fix some bugs and typos

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This commit is contained in:
postgres
2010-09-17 07:14:52 -05:00
parent 707c501b24
commit 93417715d4
7 changed files with 392 additions and 139 deletions
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48
repmgrd.c
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@@ -26,7 +26,6 @@ char primaryConninfo[MAXLEN];
PGconn *primaryConn;
void setMyLocalMode(void);
void checkClusterConfiguration(void);
void checkNodeConfiguration(char *conninfo);
void getPrimaryConnection(void);
@@ -49,7 +48,7 @@ main(int argc, char **argv)
if (myLocalId == -1)
{
fprintf(stderr, "Node information is missing. "
"Check the configuration file.");
"Check the configuration file.\n");
exit(1);
}
@@ -59,7 +58,7 @@ main(int argc, char **argv)
* Set my server mode, establish a connection to primary
* and start monitor
*/
setMyLocalMode();
myLocalMode = is_standby(myLocalConn) ? STANDBY_MODE : PRIMARY_MODE;
checkClusterConfiguration();
checkNodeConfiguration(conninfo);
if (myLocalMode == STANDBY_MODE)
@@ -81,27 +80,6 @@ main(int argc, char **argv)
* This function ask if we are in recovery, if false we are the primary else
* we are a standby
*/
void
setMyLocalMode(void)
{
PGresult *res;
res = PQexec(myLocalConn, "SELECT pg_is_in_recovery()");
if (PQresultStatus(res) != PGRES_TUPLES_OK)
{
fprintf(stderr, "Can't query server mode: %s", PQerrorMessage(myLocalConn));
PQclear(res);
PQfinish(myLocalConn);
exit(1);
}
if (strcmp(PQgetvalue(res, 0, 0), "f") == 0)
myLocalMode = PRIMARY_MODE;
else
myLocalMode = STANDBY_MODE;
PQclear(res);
}
void
@@ -114,7 +92,7 @@ getPrimaryConnection(void)
res1 = PQexec(myLocalConn, "SELECT * FROM repl_nodes");
if (PQresultStatus(res1) != PGRES_TUPLES_OK)
{
fprintf(stderr, "Can't get nodes info: %s", PQerrorMessage(myLocalConn));
fprintf(stderr, "Can't get nodes info: %s\n", PQerrorMessage(myLocalConn));
PQclear(res1);
PQfinish(myLocalConn);
exit(1);
@@ -129,7 +107,7 @@ getPrimaryConnection(void)
res2 = PQexec(primaryConn, "SELECT pg_is_in_recovery()");
if (PQresultStatus(res2) != PGRES_TUPLES_OK)
{
fprintf(stderr, "Can't get nodes info: %s", PQerrorMessage(primaryConn));
fprintf(stderr, "Can't get nodes info: %s\n", PQerrorMessage(primaryConn));
PQclear(res1);
PQclear(res2);
PQfinish(primaryConn);
@@ -162,7 +140,7 @@ getPrimaryConnection(void)
* to start failover procedure o just fix some situation on the
* standby.
*/
fprintf(stderr, "There isn't a primary node");
fprintf(stderr, "There isn't a primary node\n");
PQclear(res1);
PQfinish(myLocalConn);
exit(1);
@@ -208,7 +186,7 @@ MonitorExecute(void)
res = PQexec(myLocalConn, sqlquery);
if (PQresultStatus(res) != PGRES_TUPLES_OK)
{
fprintf(stderr, "PQexec failed: %s", PQerrorMessage(myLocalConn));
fprintf(stderr, "PQexec failed: %s\n", PQerrorMessage(myLocalConn));
PQclear(res);
return;
}
@@ -224,7 +202,7 @@ MonitorExecute(void)
res = PQexec(primaryConn, sqlquery);
if (PQresultStatus(res) != PGRES_TUPLES_OK)
{
fprintf(stderr, "PQexec failed: %s", PQerrorMessage(primaryConn));
fprintf(stderr, "PQexec failed: %s\n", PQerrorMessage(primaryConn));
PQclear(res);
return;
}
@@ -256,7 +234,7 @@ MonitorExecute(void)
* will check the result next time we pause for a monitor step.
*/
if (!PQexec(primaryConn, sqlquery))
fprintf(stderr, "replication monitor insert failed: %s",
fprintf(stderr, "replication monitor insert failed: %s\n",
PQerrorMessage(primaryConn));
}
@@ -270,7 +248,7 @@ checkClusterConfiguration(void)
" WHERE relname = 'repl_nodes'");
if (PQresultStatus(res) != PGRES_TUPLES_OK)
{
fprintf(stderr, "PQexec failed: %s", PQerrorMessage(myLocalConn));
fprintf(stderr, "PQexec failed: %s\n", PQerrorMessage(myLocalConn));
PQclear(res);
PQfinish(myLocalConn);
PQfinish(primaryConn);
@@ -284,7 +262,7 @@ checkClusterConfiguration(void)
*/
if (PQntuples(res) == 0)
{
fprintf(stderr, "The replication cluster is not configured");
fprintf(stderr, "The replication cluster is not configured\n");
PQclear(res);
PQfinish(myLocalConn);
PQfinish(primaryConn);
@@ -310,7 +288,7 @@ checkNodeConfiguration(char *conninfo)
res = PQexec(myLocalConn, sqlquery);
if (PQresultStatus(res) != PGRES_TUPLES_OK)
{
fprintf(stderr, "PQexec failed: %s", PQerrorMessage(myLocalConn));
fprintf(stderr, "PQexec failed: %s\n", PQerrorMessage(myLocalConn));
PQclear(res);
PQfinish(myLocalConn);
PQfinish(primaryConn);
@@ -331,7 +309,7 @@ checkNodeConfiguration(char *conninfo)
if (!PQexec(primaryConn, sqlquery))
{
fprintf(stderr, "Cannot insert node details, %s",
fprintf(stderr, "Cannot insert node details, %s\n",
PQerrorMessage(primaryConn));
PQfinish(myLocalConn);
PQfinish(primaryConn);
@@ -350,7 +328,7 @@ walLocationToBytes(char *wal_location)
if (sscanf(wal_location, "%X/%X", &xlogid, &xrecoff) != 2)
{
fprintf(stderr, "wrong log location format: %s", wal_location);
fprintf(stderr, "wrong log location format: %s\n", wal_location);
return 0;
}
return ((xlogid * 16 * 1024 * 1024 * 255) + xrecoff);