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-rw-r--r--gluster-blockd.c133
1 files changed, 127 insertions, 6 deletions
diff --git a/gluster-blockd.c b/gluster-blockd.c
index 18506ac..6b73c8b 100644
--- a/gluster-blockd.c
+++ b/gluster-blockd.c
@@ -1,15 +1,135 @@
#define _GNU_SOURCE /* See feature_test_macros(7) */
-#include <stdio.h>
+#include <stdio.h>
+#include <netdb.h>
+#include <sys/socket.h>
+# include <uuid/uuid.h>
#include "rpc/block.h"
#include "utils.h"
+#include "glfs-operations.h"
+# define UUID_BUF_SIZE 256
+# define CFG_STRING_SIZE 256
-blockTrans *
-block_exec_1_svc(char **cmd, struct svc_req *rqstp)
+# define LIST "list"
+# define CREATE "create"
+# define DELETE "delete"
+# define INFO "info"
+# define MODIFY "modify"
+# define BLOCKHOST "block-host"
+# define HELP "help"
+
+# define GLFS_PATH "/backstores/user:glfs"
+# define TARGETCLI_GLFS "targetcli "GLFS_PATH
+# define TARGETCLI_ISCSI "targetcli /iscsi"
+# define TARGETCLI_SAVE "targetcli / saveconfig"
+# define ATTRIBUTES "generate_node_acls=1 demo_mode_write_protect=0"
+# define BACKEND_CFGSTR "ls | grep ' %s ' | cut -d'[' -f2 | cut -d']' -f1"
+# define LUNS_LIST "ls | grep -v user:glfs | cut -d'-' -f2 | cut -d' ' -f2"
+
+# define IQN_PREFIX "iqn.2016-12.org.gluster-block:"
+
+# define MSERVER_DELIMITER ","
+
+blockResponse *
+block_create_cli_1_svc(blockCreateCli *blk, struct svc_req *rqstp)
+{
+ //FILE *fp;
+ CLIENT *clnt;
+ int sockfd;
+ struct hostent *server;
+ struct sockaddr_in sain;
+ int ret;
+ uuid_t out;
+ static blockCreate *cobj;
+ static blockResponse *reply;
+ char *gbid = CALLOC(UUID_BUF_SIZE);
+
+ uuid_generate(out);
+ uuid_unparse(out,gbid);
+
+ ret = glusterBlockCreateEntry(blk, gbid);
+ if (ret) {
+ ERROR("%s volume: %s host: %s",
+ FAILED_CREATING_FILE, blk->volume, blk->volfileserver);
+ goto out;
+ }
+
+ if(GB_ALLOC(cobj) < 0)
+ goto out;
+
+ strcpy(cobj->volume, blk->volume);
+ strcpy(cobj->volfileserver, blk->volfileserver);
+ strcpy(cobj->block_name, blk->block_name);
+ cobj->size = blk->size;
+ strcpy(cobj->gbid, gbid);
+
+ //for
+
+ if ((sockfd = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP)) < 0) {
+ perror("gluster-blockd: socket");
+ exit(1);
+ }
+ server = gethostbyname(blk->block_hosts);
+ if (server == NULL) {
+ fprintf(stderr,"ERROR, no such host\n");
+ exit(0);
+ }
+
+ bzero((char *) &sain, sizeof(sain));
+ sain.sin_family = AF_INET;
+ bcopy((char *)server->h_addr, (char *)&sain.sin_addr.s_addr, server->h_length);
+ sain.sin_port = htons(24006);
+
+ if (connect(sockfd, (struct sockaddr *) &sain, sizeof(sain)) < 0) {
+ perror("gluster-blockd: connect");
+ exit(1);
+ }
+
+ clnt = clnttcp_create ((struct sockaddr_in *) &sain, GLUSTER_BLOCK, GLUSTER_BLOCK_VERS, &sockfd, 0, 0);
+ if (clnt == NULL) {
+ clnt_pcreateerror ("localhost");
+ exit (1);
+ }
+
+ reply = block_create_1(cobj, clnt);
+ if (reply == NULL) {
+ clnt_perror (clnt, "call failed gluster-blockd");
+ }
+
+ clnt_destroy (clnt);
+
+out:
+ return reply;
+}
+
+
+blockResponse *
+block_create_1_svc(blockCreate *blk, struct svc_req *rqstp)
{
FILE *fp;
- static blockTrans *obj;
+ char *backstore = NULL;
+ char *iqn = NULL;
+ char *lun = NULL;
+ char *attr = NULL;
+ char *exec = NULL;
+ blockResponse *obj = NULL;
+
+ asprintf(&backstore, "%s %s %s %zu %s@%s/%s %s", TARGETCLI_GLFS,
+ CREATE, blk->block_name, blk->size, blk->volume, blk->volfileserver,
+ blk->gbid, blk->gbid);
+
+ asprintf(&iqn, "%s %s %s%s", TARGETCLI_ISCSI, CREATE, IQN_PREFIX, blk->gbid);
+
+
+ asprintf(&lun, "%s/%s%s/tpg1/luns %s %s/%s",
+ TARGETCLI_ISCSI, IQN_PREFIX, blk->gbid, CREATE, GLFS_PATH, blk->block_name);
+
+ asprintf(&attr, "%s/%s%s/tpg1 set attribute %s",
+ TARGETCLI_ISCSI, IQN_PREFIX, blk->gbid, ATTRIBUTES);
+
+
+ asprintf(&exec, "%s && %s && %s && %s && %s", backstore, iqn, lun, attr, TARGETCLI_SAVE);
if(GB_ALLOC(obj) < 0)
return NULL;
@@ -19,9 +139,9 @@ block_exec_1_svc(char **cmd, struct svc_req *rqstp)
return NULL;
}
- fp = popen(*cmd, "r");
+ fp = popen(exec, "r");
if (fp != NULL) {
- size_t newLen = fread(obj->out, sizeof(char), 4996, fp);
+ size_t newLen = fread(obj->out, sizeof(char), 4096, fp);
if (ferror( fp ) != 0) {
ERROR("%s", "Error reading command output\n");
} else {
@@ -32,3 +152,4 @@ block_exec_1_svc(char **cmd, struct svc_req *rqstp)
return obj;
}
+