From a4d729c7dccd5cdf72f640e39564103412d867ec Mon Sep 17 00:00:00 2001 From: Vikas Gorur Date: Thu, 17 Sep 2009 05:56:28 +0000 Subject: protocol/server: Implement rchecksum. Signed-off-by: Anand V. Avati --- xlators/protocol/server/src/server-protocol.c | 81 ++++++++++++++++++++++++++- 1 file changed, 80 insertions(+), 1 deletion(-) (limited to 'xlators/protocol/server/src/server-protocol.c') diff --git a/xlators/protocol/server/src/server-protocol.c b/xlators/protocol/server/src/server-protocol.c index e7660d24..fe8e8352 100644 --- a/xlators/protocol/server/src/server-protocol.c +++ b/xlators/protocol/server/src/server-protocol.c @@ -41,7 +41,7 @@ #include "compat.h" #include "compat-errno.h" #include "statedump.h" - +#include "md5.h" static void protocol_server_reply (call_frame_t *frame, int type, int op, @@ -6779,6 +6779,84 @@ server_checksum (call_frame_t *frame, xlator_t *bound_xl, } +int +server_rchecksum_cbk (call_frame_t *frame, void *cookie, xlator_t *this, + int32_t op_ret, int32_t op_errno, + uint32_t weak_checksum, uint8_t *strong_checksum) +{ + gf_hdr_common_t *hdr = NULL; + gf_fop_rchecksum_rsp_t *rsp = NULL; + size_t hdrlen = 0; + int32_t gf_errno = 0; + + hdrlen = gf_hdr_len (rsp, MD5_DIGEST_LEN + 1); + hdr = gf_hdr_new (rsp, MD5_DIGEST_LEN + 1); + rsp = gf_param (hdr); + + hdr->rsp.op_ret = hton32 (op_ret); + gf_errno = gf_errno_to_error (op_errno); + hdr->rsp.op_errno = hton32 (gf_errno); + + if (op_ret >= 0) { + rsp->weak_checksum = weak_checksum; + + memcpy (rsp->strong_checksum, + strong_checksum, MD5_DIGEST_LEN); + + rsp->strong_checksum[MD5_DIGEST_LEN] = '\0'; + } + + protocol_server_reply (frame, GF_OP_TYPE_FOP_REPLY, GF_FOP_RCHECKSUM, + hdr, hdrlen, NULL, 0, NULL); + + return 0; +} + + +int +server_rchecksum (call_frame_t *frame, xlator_t *bound_xl, + gf_hdr_common_t *hdr, size_t hdrlen, + struct iobuf *iobuf) +{ + gf_fop_rchecksum_req_t *req = NULL; + server_state_t *state = NULL; + server_connection_t *conn = NULL; + + conn = SERVER_CONNECTION(frame); + + req = gf_param (hdr); + + state = CALL_STATE(frame); + { + state->fd_no = ntoh64 (req->fd); + if (state->fd_no >= 0) + state->fd = gf_fd_fdptr_get (conn->fdtable, + state->fd_no); + + state->offset = ntoh64 (req->offset); + state->size = ntoh32 (req->len); + } + + GF_VALIDATE_OR_GOTO(bound_xl->name, state->fd, fail); + + gf_log (bound_xl->name, GF_LOG_TRACE, + "%"PRId64": RCHECKSUM \'fd=%"PRId64" (%"PRId64"); " + "offset=%"PRId64"\'", + frame->root->unique, state->fd_no, state->fd->inode->ino, + state->offset); + + STACK_WIND (frame, server_rchecksum_cbk, + bound_xl, + bound_xl->fops->rchecksum, + state->fd, state->offset, state->size); + return 0; +fail: + server_rchecksum_cbk (frame, NULL, frame->this, -1, EINVAL, 0, NULL); + + return 0; +} + + /* * mop_unlock - unlock management function for server protocol * @frame: call frame @@ -7397,6 +7475,7 @@ static gf_op_t gf_fops[] = { [GF_FOP_ENTRYLK] = server_entrylk, [GF_FOP_FENTRYLK] = server_fentrylk, [GF_FOP_CHECKSUM] = server_checksum, + [GF_FOP_RCHECKSUM] = server_rchecksum, [GF_FOP_XATTROP] = server_xattrop, [GF_FOP_FXATTROP] = server_fxattrop, }; -- cgit