Makefiles and placeholder code

.gitignore

@@ -31,7 +31,7 @@ lib*.pc
 
 # configure output
 /Makefile
-/run_tests
+/Makefile.global
 /config.log
 /config.status
 

Makefile.global.in

@@ -0,0 +1,27 @@
+# -*-makefile-*-
+# Makefile.global.in
+# @configure_input@
+
+# Can only be built using pgxs
+USE_PGXS=1
+
+repmgr_abs_srcdir := @abs_srcdir@
+PG_CONFIG :=@PG_CONFIG@
+PGXS := $(shell $(PG_CONFIG) --pgxs)
+
+vpath_build=@vpath_build@
+ifeq ($(vpath_build),yes)
+	VPATH := $(repmgr_abs_srcdir)/$(repmgr_subdir)
+	USE_VPATH :=$(VPATH)
+endif
+GIT_WORK_TREE=${repmgr_abs_srcdir}
+GIT_DIR=${repmgr_abs_srcdir}/.git
+export GIT_DIR
+export GIT_WORK_TREE
+
+include $(PGXS)
+
+-include ${repmgr_abs_srcdir}/Makefile.custom
+
+REPMGR_VERSION=$(shell awk '/^\#define REPMGR_VERSION / { print $3; }' ${repmgr_abs_srcdir}/repmgr_version.h.in | cut -d '"' -f 2)
+

Makefile.in

@@ -0,0 +1,51 @@
+# -*-makefile-*-
+# Makefile.in
+# @configure_input@
+
+repmgr_subdir = .
+repmgr_top_builddir = .
+
+MODULE_big = repmgr
+
+EXTENSION = repmgr
+
+# Hacky workaround to install the binaries
+SCRIPTS_built = repmgr
+
+
+# When in development add -Werror
+PG_CPPFLAGS = -std=gnu89 -I$(libpq_srcdir) -Wall -Wmissing-prototypes -Wmissing-declarations $(EXTRA_CFLAGS)
+SHLIB_LINK = $(libpq)
+
+OBJS = \
+	repmgr.o
+
+include Makefile.global
+
+$(info Building against PostgreSQL $(MAJORVERSION))
+
+REPMGR_CLIENT_OBJS = repmgr-client.o
+
+repmgr: $(REPMGR_CLIENT_OBJS)
+	$(CC) $(CFLAGS) $(REPMGR_CLIENT_OBJS) $(libpq_pgport) $(LDFLAGS) $(LDFLAGS_EX) $(LIBS) -o $@$(X)
+
+
+# Ensure Makefiles are up-to-date (should we move this to Makefile.global?)
+Makefile: Makefile.in config.status configure
+	./config.status $@
+
+Makefile.global: Makefile.global.in config.status configure
+	./config.status $@
+
+clean: additional-clean
+
+maintainer-clean: additional-maintainer-clean
+
+additional-clean:
+	rm -f repmgr-client.o
+
+maintainer-additional-clean: clean
+	rm -f configure
+	rm -f config.status config.log
+	rm -f Makefile
+	@rm -rf autom4te.cache/

configure.in

@@ -23,7 +23,7 @@ if test -z "$version_num"; then
 fi
 
 version_num_int=$(echo "$version_num"|
-              $SED -e 's/^\([[0-9]]*\)\([[0-9]]*\)$/\1\2/')
+              $SED -e 's/^\([[0-9]]*\)\.\([[0-9]]*\)$/\1\2/')
 
 if test "$version_num_int" -lt '93'; then
    AC_MSG_ERROR([repmgr is not compatible with detected PostgreSQL version: $version_num])
@@ -41,3 +41,8 @@ else
   vpath_build=yes
 fi
 AC_SUBST(vpath_build)
+
+AC_CONFIG_FILES([Makefile])
+AC_CONFIG_FILES([Makefile.global])
+AC_OUTPUT
+

repmgr-client.c

@@ -0,0 +1,21 @@
+/*
+ * repmgr.c - Command interpreter for the repmgr package
+ *
+ * Copyright (c) 2ndQuadrant, 2010-2017
+ *
+ * This module is a command-line utility to easily setup a cluster of
+ * hot standby servers for an HA environment
+ *
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+
+#include "repmgr.h"
+
+int
+main(int argc, char **argv)
+{
+	puts("repmgr");
+	return 0;
+}

repmgr.c

@@ -0,0 +1,46 @@
+/*
+ * repmgr.c - repmgr extension
+ *
+ * Copyright (c) 2ndQuadrant, 2010-2017
+ *
+ * This is the actual extension code; see repmgr-client.c for the code which
+ * generates the repmgr binary
+ */
+
+#include "postgres.h"
+#include "fmgr.h"
+#include "access/xlog.h"
+#include "miscadmin.h"
+#include "replication/walreceiver.h"
+#include "storage/ipc.h"
+#include "storage/lwlock.h"
+#include "storage/procarray.h"
+#include "storage/shmem.h"
+#include "storage/spin.h"
+#include "utils/builtins.h"
+#include "utils/timestamp.h"
+
+#define MAXFNAMELEN		64
+
+PG_MODULE_MAGIC;
+
+
+void		_PG_init(void);
+void		_PG_fini(void);
+
+/*
+ * Module load callback
+ */
+void
+_PG_init(void)
+{
+	elog(INFO, "repmgr init");
+}
+/*
+ * Module unload callback
+ */
+void
+_PG_fini(void)
+{
+	elog(INFO, "repmgr fini");
+}

repmgr.control

@@ -0,0 +1,7 @@
+# repmgr extension
+comment = 'Replication manager for PostgreSQL'
+default_version = '4.0.0.0'
+module_pathname = '$libdir/repmgr'
+relocatable = false
+schema = pg_catalog
+

repmgr.h

@@ -0,0 +1,16 @@
+/*
+ * repmgr.h
+ * Copyright (c) 2ndQuadrant, 2010-2017
+ */
+#ifndef _REPMGR_H_
+#define _REPMGR_H_
+
+#include <libpq-fe.h>
+#include <postgres_fe.h>
+#include <getopt_long.h>
+#include <pqexpbuffer.h>
+
+#define MIN_SUPPORTED_VERSION		"9.3"
+#define MIN_SUPPORTED_VERSION_NUM	90300
+
+#endif

repmgr_version.h

@@ -0,0 +1,6 @@
+#ifndef _VERSION_H_
+#define _VERSION_H_
+
+#define REPMGR_VERSION "4.0dev"
+
+#endif

repmgrd.c

@@ -0,0 +1,16 @@
+/*
+ * repmgrd.c - Replication manager daemon
+ *
+ * Copyright (c) 2ndQuadrant, 2010-2017
+ */
+
+#include "repmgr.h"
+
+#include <stdio.h>
+
+int
+main(int argc, char **argv)
+{
+	puts("repmgr");
+	return 0;
+}