Add a helper function iscsi_parse_redirect_addr() to validate the
passed IP address-port pair.
iSCSI login redirection will support only numeric IP address and
TCP port, and add AI_NUMERICSERV and AI_NUMERICHOST.
This function is almost same as nvme_tcp_parse_addr() and
nvme_rdma_parse_addr().
Besides, update error log in posix_sock_create() to use
gai_strerror(). gai_strerror() will provide more accurate
information as done by nvme_tcp_parse_addr() and nvme_rdma_parse_addr().
Signed-off-by: Shuhei Matsumoto <shuhei.matsumoto.xt@hitachi.com>
Change-Id: I65c6de81a64dcb26551ce796172d0458e1c298a7
Reviewed-on: https://review.spdk.io/gerrit/c/spdk/spdk/+/3357
Community-CI: Mellanox Build Bot
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Reviewed-by: Changpeng Liu <changpeng.liu@intel.com>
Reviewed-by: Paul Luse <paul.e.luse@intel.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>
0f22282fc3