X-Git-Url: http://git.vrable.net/?a=blobdiff_plain;f=nfs3%2Frpc.c;h=468c58c2823d44077f59b4cde8ecf88933e3e47b;hb=7bb8900e1209a2abf3d83e7f06e2dfb314cef61e;hp=deabbc1f68736fcc23227f3f4363c7b536c0e1aa;hpb=604e560bdd2475c6e9df1eadd1bf2f85d0b07ef2;p=bluesky.git diff --git a/nfs3/rpc.c b/nfs3/rpc.c index deabbc1..468c58c 100644 --- a/nfs3/rpc.c +++ b/nfs3/rpc.c @@ -121,13 +121,73 @@ struct rpc_fail_reply { uint32_t accept_stat; }; +/* Routines for XDR-encoding to a growable string. */ +static bool_t xdr_string_putlong(XDR *xdrs, const long *lp) +{ + GString *str = (GString *)xdrs->x_private; + uint32_t data = htonl(*lp); + g_string_set_size(str, str->len + 4); + memcpy(str->str + str->len - 4, &data, 4); + return TRUE; +} + +static bool_t xdr_string_putbytes(XDR *xdrs, const char *addr, u_int len) +{ + GString *str = (GString *)xdrs->x_private; + g_string_set_size(str, str->len + len); + memcpy(str->str + str->len - len, addr, len); + return TRUE; +} + +static u_int xdr_string_getpos(const XDR *xdrs) +{ + GString *str = (GString *)xdrs->x_private; + return str->len; +} + +static bool_t xdr_string_putint32(XDR *xdrs, const int32_t *ip) +{ + GString *str = (GString *)xdrs->x_private; + uint32_t data = htonl(*ip); + g_string_set_size(str, str->len + 4); + memcpy(str->str + str->len - 4, &data, 4); + return TRUE; +} + +static int32_t *xdr_string_inline(XDR *xdrs, u_int len) +{ + GString *str = (GString *)xdrs->x_private; + g_string_set_size(str, str->len + len); + return (int32_t *)(str->str + str->len - len); +} + +static void xdr_string_destroy(XDR *xdrs) +{ +} + +static struct xdr_ops xdr_string_ops = { + .x_putlong = xdr_string_putlong, + .x_putbytes = xdr_string_putbytes, + .x_getpostn = xdr_string_getpos, + .x_putint32 = xdr_string_putint32, + .x_inline = xdr_string_inline, + .x_destroy = xdr_string_destroy, +}; + +static void xdr_string_create(XDR *xdrs, GString *string, enum xdr_op op) +{ + xdrs->x_op = op; + xdrs->x_ops = &xdr_string_ops; + xdrs->x_private = (char *)string; + xdrs->x_base = NULL; + xdrs->x_handy = 0; +} + static void async_rpc_send_failure(RPCRequest *req, enum accept_stat stat) { struct rpc_fail_reply header; - fprintf(stderr, "Sending RPC failure status %d\n", stat); - header.xid = htonl(req->xid); header.type = htonl(1); /* REPLY */ header.stat = htonl(MSG_ACCEPTED); @@ -158,11 +218,12 @@ async_rpc_send_failure(RPCRequest *req, enum accept_stat stat) void async_rpc_send_reply(RPCRequest *req, void *result) { - static char reply_buf[MAX_RPC_MSGSIZE]; + GString *str = g_string_new(""); XDR xdr_out; - xdrmem_create(&xdr_out, reply_buf, MAX_RPC_MSGSIZE, XDR_ENCODE); - if (result != NULL && !req->xdr_result(&xdr_out, result)) { + xdr_string_create(&xdr_out, str, XDR_ENCODE); + if (!req->xdr_result(&xdr_out, result)) { async_rpc_send_failure(req, SYSTEM_ERR); + g_string_free(str, TRUE); return; } @@ -174,15 +235,16 @@ async_rpc_send_reply(RPCRequest *req, void *result) header.verf_len = 0; header.accept_stat = 0; - gsize msg_size = xdr_out.x_ops->x_getpostn(&xdr_out); - printf("Have an RPC reply of size %zd bytes\n", msg_size); + gsize msg_size = str->len; uint32_t fragment = htonl((msg_size + sizeof(header)) | 0x80000000); async_rpc_write(req->connection, (const char *)&fragment, sizeof(fragment)); async_rpc_write(req->connection, (const char *)&header, sizeof(header)); - async_rpc_write(req->connection, reply_buf, msg_size); + async_rpc_write(req->connection, str->str, str->len); g_io_channel_flush(req->connection->channel, NULL); /* Clean up. */ + g_string_free(str, TRUE); + if (req->args != NULL) { char buf[4]; XDR xdr; @@ -233,6 +295,8 @@ nfs_program_3(RPCRequest *req) xdrproc_t _xdr_argument, _xdr_result; char *(*local)(char *, RPCRequest *); + printf("Dispatched NFS RPC message type %d\n", req->req_proc); + switch (req->req_proc) { case NFSPROC3_NULL: _xdr_argument = (xdrproc_t) xdr_void; @@ -387,6 +451,7 @@ nfs_program_3(RPCRequest *req) result = (*local)((char *)req->args, req); bluesky_flushd_invoke(fs); + bluesky_debug_dump(fs); return; } @@ -475,8 +540,6 @@ static gboolean async_rpc_dispatch(RPCConnection *rpc) if (buf - msg->str > msg->len) return FALSE; - printf("Dispatching RPC procedure %d...\n", proc); - req->raw_args = msg; req->raw_args_header_bytes = buf - msg->str; req->req_proc = ntohl(header->proc); @@ -572,7 +635,6 @@ static gboolean async_rpc_do_read(GIOChannel *channel, rpc->frag_len = ntohl(rpc->frag_len); g_string_set_size(rpc->msgbuf, rpc->msgbuf->len - 4); rpc->frag_hdr_bytes = 0; - g_print("RPC fragment header: %08x\n", rpc->frag_len); } } else { /* We were reading in the fragment body. */ @@ -581,7 +643,6 @@ static gboolean async_rpc_do_read(GIOChannel *channel, if (rpc->frag_len = 0x80000000) { /* We have a complete message since this was the last fragment and * there are no more bytes in it. Dispatch the message. */ - g_print("Complete RPC message: %zd bytes\n", rpc->msgbuf->len); if (!async_rpc_dispatch(rpc)) { fprintf(stderr, "Invalid RPC message, closing channel\n"); g_io_channel_shutdown(rpc->channel, TRUE, NULL);