X-Git-Url: http://git.ozlabs.org/?a=blobdiff_plain;f=ccan%2Fnfs%2Fnfsclient-raw.c;fp=ccan%2Fnfs%2Fnfsclient-raw.c;h=4738bdf9999f14ab34db2bbdca0efa5dfffc48c8;hb=f91748e6a99dfd3b6565aed4e98e84b4365eb9c2;hp=0000000000000000000000000000000000000000;hpb=b581c2380721e6bd2079a80adcb28b0ed0f3552c;p=ccan diff --git a/ccan/nfs/nfsclient-raw.c b/ccan/nfs/nfsclient-raw.c new file mode 100644 index 00000000..4738bdf9 --- /dev/null +++ b/ccan/nfs/nfsclient-raw.c @@ -0,0 +1,220 @@ +/* + Copyright (C) by Ronnie Sahlberg 2010 + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 3 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program; if not, see . +*/ + +/* Example program using the lowlevel raw interface. + * This allow accurate control of the exact commands that are being used. + */ + +#define SERVER "10.1.1.27" +#define EXPORT "/VIRTUAL" + +#include +#include +#include +#include "libnfs.h" +#include "libnfs-raw.h" +#include "libnfs-raw-mount.h" + +struct client { + char *server; + char *export; + uint32_t mount_port; + int is_finished; +}; + +void mount_mnt_cb(struct rpc_context *rpc, int status, void *data, void *private_data) +{ + mountres3 *res; + struct client *client = private_data; + + if (status == RPC_STATUS_ERROR) { + printf("mount/mnt call failed with \"%s\"\n", (char *)data); + exit(10); + } + if (status != RPC_STATUS_SUCCESS) { + printf("mount/mnt call to server %s failed, status:%d\n", client->server, status); + exit(10); + } + + res = data; + if (res->fhs_status != MNT3_OK) { + printf("RPC error: Mount failed with error %s(%d) %s(%d)", mountstat3_to_str(res->fhs_status), res->fhs_status, strerror(-mountstat3_to_errno(res->fhs_status)), -mountstat3_to_errno(res->fhs_status)); + exit(10); + } + + printf("Got reply from server for MOUNT/MNT procedure.\n"); + client->is_finished = 1; +} + + +void mount_null_cb(struct rpc_context *rpc, int status, void *data, void *private_data) +{ + struct client *client = private_data; + + if (status == RPC_STATUS_ERROR) { + printf("mount null call failed with \"%s\"\n", (char *)data); + exit(10); + } + if (status != RPC_STATUS_SUCCESS) { + printf("mount null call to server %s failed, status:%d\n", client->server, status); + exit(10); + } + + printf("Got reply from server for MOUNT/NULL procedure.\n"); + printf("Send MOUNT/MNT command for %s\n", client->export); + if (rpc_mount_mnt_async(rpc, mount_mnt_cb, client->export, client) != 0) { + printf("Failed to send mnt request\n"); + exit(10); + } + +} + +void mount_connect_cb(struct rpc_context *rpc, int status, void *data, void *private_data) +{ + struct client *client = private_data; + + if (status != RPC_STATUS_SUCCESS) { + printf("connection to RPC.MOUNTD on server %s failed\n", client->server); + exit(10); + } + + printf("Connected to RPC.MOUNTD on %s:%d\n", client->server, client->mount_port); + printf("Send NULL request to check if RPC.MOUNTD is actually running\n"); + if (rpc_mount_null_async(rpc, mount_null_cb, client) != 0) { + printf("Failed to send null request\n"); + exit(10); + } +} + + +void pmap_getport_cb(struct rpc_context *rpc, int status, void *data, void *private_data) +{ + struct client *client = private_data; + uint32_t port; + + if (status == RPC_STATUS_ERROR) { + printf("portmapper getport call failed with \"%s\"\n", (char *)data); + exit(10); + } + if (status != RPC_STATUS_SUCCESS) { + printf("portmapper getport call to server %s failed, status:%d\n", client->server, status); + exit(10); + } + + client->mount_port = *(uint32_t *)data; + printf("GETPORT returned Port:%d\n", client->mount_port); + if (client->mount_port == 0) { + printf("RPC.MOUNTD is not available on server : %s\n", client->server, client->mount_port); + exit(10); + } + + printf("Disconnect socket from portmap server\n"); + if (rpc_disconnect(rpc, "normal disconnect") != 0) { + printf("Failed to disconnect socket to portmapper\n"); + exit(10); + } + + printf("Connect to RPC.MOUNTD on %s:%d\n", client->server, client->mount_port); + if (rpc_connect_async(rpc, client->server, client->mount_port, 1, mount_connect_cb, client) != 0) { + printf("Failed to start connection\n"); + exit(10); + } +} + + +void pmap_null_cb(struct rpc_context *rpc, int status, void *data, void *private_data) +{ + struct client *client = private_data; + + if (status == RPC_STATUS_ERROR) { + printf("portmapper null call failed with \"%s\"\n", (char *)data); + exit(10); + } + if (status != RPC_STATUS_SUCCESS) { + printf("portmapper null call to server %s failed, status:%d\n", client->server, status); + exit(10); + } + + printf("Got reply from server for PORTMAP/NULL procedure.\n"); + printf("Send getport request asking for MOUNT port\n"); + if (rpc_pmap_getport_async(rpc, MOUNT_PROGRAM, MOUNT_V3, pmap_getport_cb, client) != 0) { + printf("Failed to send getport request\n"); + exit(10); + } +} + +void pmap_connect_cb(struct rpc_context *rpc, int status, void *data, void *private_data) +{ + struct client *client = private_data; + + printf("pmap_connect_cb status:%d.\n", status); + if (status != RPC_STATUS_SUCCESS) { + printf("connection to portmapper on server %s failed\n", client->server); + exit(10); + } + + printf("Send NULL request to check if portmapper is actually running\n"); + if (rpc_pmap_null_async(rpc, pmap_null_cb, client) != 0) { + printf("Failed to send null request\n"); + exit(10); + } +} + + +int main(int argc, char *argv[]) +{ + struct rpc_context *rpc; + struct pollfd pfd; + int ret; + struct client client; + + rpc = rpc_init_context(); + if (rpc == NULL) { + printf("failed to init context\n"); + exit(10); + } + + client.server = SERVER; + client.export = EXPORT; + client.is_finished = 0; + if (rpc_connect_async(rpc, client.server, 111, 0, pmap_connect_cb, &client) != 0) { + printf("Failed to start connection\n"); + exit(10); + } + + for (;;) { + pfd.fd = rpc_get_fd(rpc); + pfd.events = rpc_which_events(rpc); + + if (poll(&pfd, 1, -1) < 0) { + printf("Poll failed"); + exit(10); + } + if (rpc_service(rpc, pfd.revents) < 0) { + printf("rpc_service failed\n"); + break; + } + if (client.is_finished) { + break; + } + } + + rpc_destroy_context(rpc); + rpc=NULL; + printf("nfsclient finished\n"); + return 0; +}