# HG changeset patch
# User Olaf Wintermann <olaf.wintermann@gmail.com>
# Date 1650393165 -7200
# Node ID ad9ba51c8634110f419e4e9cc05f04730874a260
# Parent  dfbd3a535eac403ee6ad01cd432ae1a3b16be103
add pg webdav backend initialization

diff -r dfbd3a535eac -r ad9ba51c8634 src/server/plugins/postgresql/init.c
--- a/src/server/plugins/postgresql/init.c	Tue Apr 19 19:15:23 2022 +0200
+++ b/src/server/plugins/postgresql/init.c	Tue Apr 19 20:32:45 2022 +0200
@@ -30,8 +30,9 @@
 
 #include "resource.h"
 #include "vfs.h"
+#include "webdav.h"
 
-int pg_init(pblock *pb, Session *sn, Request *Rq) {
+int pg_init(pblock *pb, Session *sn, Request *rq) {
     if(resourcepool_register_type("postgresql", pg_get_resource_type())) {
         log_ereport(LOG_FAILURE, "pg-init: Cannot register resourcepool type");
         return REQ_ABORTED;
@@ -48,3 +49,11 @@
 int pg_register_vfs(pblock *pb) {
     return vfs_register_type("postgresql", pg_vfs_create);
 }
+
+int pg_register_webdav_backend(pblock *pb) {
+    if(webdav_register_backend("postgresql", pg_webdav_create)) {
+        return 1;
+    }
+    return 0;
+}
+
diff -r dfbd3a535eac -r ad9ba51c8634 src/server/plugins/postgresql/webdav.c
--- a/src/server/plugins/postgresql/webdav.c	Tue Apr 19 19:15:23 2022 +0200
+++ b/src/server/plugins/postgresql/webdav.c	Tue Apr 19 20:32:45 2022 +0200
@@ -39,9 +39,53 @@
     NULL, // opt_delete
     NULL, // opt_delete_finish
     0,
+    NULL,
     NULL
 };
 
+WebdavBackend* pg_webdav_create(Session *sn, Request *rq, pblock *pb) {
+    // resourcepool is required
+    char *resource_pool = pblock_findval("resourcepool", pb);
+    if(!resource_pool) {
+        log_ereport(LOG_MISCONFIG, "pg_webdav_create: missing resourcepool parameter");
+        return NULL;
+    }
+    
+    // get the resource first (should only fail in case of misconfig)
+    ResourceData *resdata = resourcepool_lookup(sn, rq, resource_pool, 0);
+    if(!resdata) {
+        log_ereport(LOG_MISCONFIG, "postgresql webdav: resource pool %s not found", resource_pool);
+        return NULL;
+    }
+    
+    return pg_webdav_create_from_resdata(sn, rq, resdata);
+}
+
+WebdavBackend* pg_webdav_create_from_resdata(Session *sn, Request *rq, ResourceData *resdata) {
+    WebdavBackend *webdav = pool_malloc(sn->pool, sizeof(WebdavBackend));
+    if(!webdav) {
+        return NULL;
+    }
+    *webdav = pg_webdav_backend;
+    
+    PgWebdavBackend *instance = pool_malloc(sn->pool, sizeof(PgWebdavBackend));
+    if(instance) {
+        pool_free(sn->pool, webdav);
+        return NULL;
+    }
+    webdav->instance = instance;
+    
+    instance->pg_resource = resdata;
+    instance->connection = resdata->data;
+    
+    return webdav;
+}
+
+WebdavBackend* pg_webdav_prop_create(Session *sn, Request *rq, pblock *pb) {
+    return NULL;
+}
+
+
 int pg_dav_propfind_init(
         WebdavPropfindRequest *rq,
         const char *path,
diff -r dfbd3a535eac -r ad9ba51c8634 src/server/plugins/postgresql/webdav.h
--- a/src/server/plugins/postgresql/webdav.h	Tue Apr 19 19:15:23 2022 +0200
+++ b/src/server/plugins/postgresql/webdav.h	Tue Apr 19 20:32:45 2022 +0200
@@ -38,12 +38,20 @@
 extern "C" {
 #endif
 
+typedef struct PgWebdavBackend {
+    ResourceData *pg_resource;
+    PGconn *connection;
+} PgWebdavBackend;
     
 typedef struct PgPropfind {
     ResourceData *pg_resource;
     PGconn *connection;
 } PgPropfind;
 
+WebdavBackend* pg_webdav_create(Session *sn, Request *rq, pblock *pb);
+WebdavBackend* pg_webdav_create_from_resdata(Session *sn, Request *rq, ResourceData *resdata);
+
+WebdavBackend* pg_webdav_prop_create(Session *sn, Request *rq, pblock *pb);
 
 /* ----------------- webdav backend functions ----------------- */
 int pg_dav_propfind_init(