Implement the calling of user defined callback.
Basically, the callback is called from target_redirected() to get
redirect address, redirect port and redirect reason in
"string_addr:string_port:string_reason" syntax.
Signed-Off-By: Chandra Seetharaman <sekharan@xxxxxxxxxx>
---
usr/iscsi/target.c | 32 ++++++++++++++++++++++++++++++++
1 file changed, 32 insertions(+)
Index: tgt-1.0.8/usr/iscsi/target.c
===================================================================
--- tgt-1.0.8.orig/usr/iscsi/target.c
+++ tgt-1.0.8/usr/iscsi/target.c
@@ -197,7 +197,38 @@ int target_redirected(struct iscsi_targe
socklen_t len;
int ret, rsn;
char *p, *q, *str, *port, *addr;
+ char buffer[NI_MAXHOST + NI_MAXSERV + 4];
+ if (target->redirect_info.callback) {
+ bzero(buffer, NI_MAXHOST + NI_MAXSERV + 4);
+ ret = call_program(target->redirect_info.callback,
+ buffer, NI_MAXHOST + NI_MAXSERV + 4);
+ if (ret)
+ goto predefined;
+
+ /* syntax is string_addr:string_port:string_reason */
+ addr = p = buffer;
+ while (*p != ':' && *p != '\0')
+ p++;
+ if (!*p)
+ goto predefined;
+ *p = '\0';
+ port = ++p;
+ while (*p != ':' && *p != '\0')
+ p++;
+ if (!*p)
+ goto predefined;
+ *p = '\0';
+ p++;
+ if (!strncmp(p, "Temporary", 9))
+ rsn = ISCSI_LOGIN_STATUS_TGT_MOVED_TEMP;
+ else if (!strncmp(p, "Permanent", 9))
+ rsn = ISCSI_LOGIN_STATUS_TGT_MOVED_PERM;
+ else
+ goto predefined;
+ goto process;
+ }
+predefined:
if (!strlen(target->redirect_info.addr))
return 0;
@@ -205,6 +236,7 @@ int target_redirected(struct iscsi_targe
port = target->redirect_info.port;
rsn = target->redirect_info.reason;
+process:
if (rsn != ISCSI_LOGIN_STATUS_TGT_MOVED_TEMP &&
rsn != ISCSI_LOGIN_STATUS_TGT_MOVED_PERM)
return 0;
--
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