From: Ronnie Sahlberg Date: Sun, 16 Mar 2014 22:00:19 +0000 (-0700) Subject: RPC_CONNECT: Use the rpc_connect_program_async() flow during nfs_mount() X-Git-Tag: upstream/1.9.6^2~71 X-Git-Url: https://git.piment-noir.org/?a=commitdiff_plain;h=f694a287ae3de83e32f07771bd6257779494ecaa;p=deb_libnfs.git RPC_CONNECT: Use the rpc_connect_program_async() flow during nfs_mount() --- diff --git a/include/nfsc/libnfs-raw.h b/include/nfsc/libnfs-raw.h index 28a786f..ccbb1f8 100644 --- a/include/nfsc/libnfs-raw.h +++ b/include/nfsc/libnfs-raw.h @@ -110,7 +110,7 @@ int rpc_connect_async(struct rpc_context *rpc, const char *server, int port, rpc * RPC_STATUS_CANCEL : The connection attempt was aborted before it could complete. * : data is NULL. */ -int rpc_connect_program_async(struct rpc_context *rpc, char *server, int program, int version, rpc_cb cb, void *private_data); +int rpc_connect_program_async(struct rpc_context *rpc, const char *server, int program, int version, rpc_cb cb, void *private_data); /* * When disconnecting a connection in flight. All commands in flight will be called with the callback * and status RPC_STATUS_ERROR. Data will be the error string for the disconnection. diff --git a/lib/libnfs.c b/lib/libnfs.c index 36a05a8..d4a3f6c 100644 --- a/lib/libnfs.c +++ b/lib/libnfs.c @@ -394,6 +394,30 @@ void free_rpc_cb_data(struct rpc_cb_data *data) free(data); } +static void rpc_connect_program_5_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data) +{ + struct rpc_cb_data *data = private_data; + + assert(rpc->magic == RPC_CONTEXT_MAGIC); + + /* Dont want any more callbacks even if the socket is closed */ + rpc->connect_cb = NULL; + + if (status == RPC_STATUS_ERROR) { + data->cb(rpc, status, command_data, data->private_data); + free_rpc_cb_data(data); + return; + } + if (status == RPC_STATUS_CANCEL) { + data->cb(rpc, status, "Command was cancelled", data->private_data); + free_rpc_cb_data(data); + return; + } + + data->cb(rpc, status, NULL, data->private_data); + free_rpc_cb_data(data); +} + static void rpc_connect_program_4_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data) { struct rpc_cb_data *data = private_data; @@ -414,6 +438,25 @@ static void rpc_connect_program_4_cb(struct rpc_context *rpc, int status, void * return; } + switch (data->program) { + case MOUNT_PROGRAM: + if (rpc_mount3_null_async(rpc, rpc_connect_program_5_cb, + data) != 0) { + data->cb(rpc, status, command_data, data->private_data); + free_rpc_cb_data(data); + return; + } + return; + case NFS_PROGRAM: + if (rpc_nfs3_null_async(rpc, rpc_connect_program_5_cb, + data) != 0) { + data->cb(rpc, status, command_data, data->private_data); + free_rpc_cb_data(data); + return; + } + return; + } + data->cb(rpc, status, NULL, data->private_data); free_rpc_cb_data(data); } @@ -503,7 +546,7 @@ static void rpc_connect_program_1_cb(struct rpc_context *rpc, int status, void * } } -int rpc_connect_program_async(struct rpc_context *rpc, char *server, int program, int version, rpc_cb cb, void *private_data) +int rpc_connect_program_async(struct rpc_context *rpc, const char *server, int program, int version, rpc_cb cb, void *private_data) { struct rpc_cb_data *data; @@ -627,36 +670,6 @@ static void nfs_mount_8_cb(struct rpc_context *rpc, int status, void *command_da } } - -static void nfs_mount_7_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data) -{ - struct nfs_cb_data *data = private_data; - struct nfs_context *nfs = data->nfs; - - assert(rpc->magic == RPC_CONTEXT_MAGIC); - - /* Dont want any more callbacks even if the socket is closed */ - rpc->connect_cb = NULL; - - if (status == RPC_STATUS_ERROR) { - data->cb(-EFAULT, nfs, command_data, data->private_data); - free_nfs_cb_data(data); - return; - } - if (status == RPC_STATUS_CANCEL) { - data->cb(-EINTR, nfs, "Command was cancelled", data->private_data); - free_nfs_cb_data(data); - return; - } - - if (rpc_nfs3_null_async(rpc, nfs_mount_8_cb, data) != 0) { - data->cb(-ENOMEM, nfs, command_data, data->private_data); - free_nfs_cb_data(data); - return; - } -} - - static void nfs_mount_6_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data) { struct nfs_cb_data *data = private_data; @@ -695,11 +708,13 @@ static void nfs_mount_6_cb(struct rpc_context *rpc, int status, void *command_da memcpy(nfs->rootfh.data.data_val, res->mountres3_u.mountinfo.fhandle.fhandle3_val, nfs->rootfh.data.data_len); rpc_disconnect(rpc, "normal disconnect"); - if (rpc_connect_async(rpc, nfs->server, 2049, nfs_mount_7_cb, data) != 0) { + + if (rpc_connect_program_async(nfs->rpc, nfs->server, NFS_PROGRAM, NFS_V3, nfs_mount_8_cb, data) != 0) { data->cb(-ENOMEM, nfs, command_data, data->private_data); free_nfs_cb_data(data); return; } + /* NFS TCP connections we want to autoreconnect after sessions are torn down (due to inactivity or error) */ rpc_set_autoreconnect(rpc); } @@ -730,123 +745,6 @@ static void nfs_mount_5_cb(struct rpc_context *rpc, int status, void *command_da } } -static void nfs_mount_4_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data) -{ - struct nfs_cb_data *data = private_data; - struct nfs_context *nfs = data->nfs; - - assert(rpc->magic == RPC_CONTEXT_MAGIC); - - /* Dont want any more callbacks even if the socket is closed */ - rpc->connect_cb = NULL; - - if (status == RPC_STATUS_ERROR) { - data->cb(-EFAULT, nfs, command_data, data->private_data); - free_nfs_cb_data(data); - return; - } - if (status == RPC_STATUS_CANCEL) { - data->cb(-EINTR, nfs, "Command was cancelled", data->private_data); - free_nfs_cb_data(data); - return; - } - - if (rpc_mount3_null_async(rpc, nfs_mount_5_cb, data) != 0) { - data->cb(-ENOMEM, nfs, command_data, data->private_data); - free_nfs_cb_data(data); - return; - } -} - -static void nfs_mount_3_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data) -{ - struct nfs_cb_data *data = private_data; - struct nfs_context *nfs = data->nfs; - uint32_t mount_port; - - assert(rpc->magic == RPC_CONTEXT_MAGIC); - - if (status == RPC_STATUS_ERROR) { - data->cb(-EFAULT, nfs, command_data, data->private_data); - free_nfs_cb_data(data); - return; - } - if (status == RPC_STATUS_CANCEL) { - data->cb(-EINTR, nfs, "Command was cancelled", data->private_data); - free_nfs_cb_data(data); - return; - } - - mount_port = *(uint32_t *)command_data; - if (mount_port == 0) { - rpc_set_error(rpc, "RPC error. Mount program is not available on %s", nfs->server); - data->cb(-ENOENT, nfs, command_data, data->private_data); - free_nfs_cb_data(data); - return; - } - - rpc_disconnect(rpc, "normal disconnect"); - if (rpc_connect_async(rpc, nfs->server, mount_port, nfs_mount_4_cb, data) != 0) { - data->cb(-ENOMEM, nfs, command_data, data->private_data); - free_nfs_cb_data(data); - return; - } -} - - -static void nfs_mount_2_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data) -{ - struct nfs_cb_data *data = private_data; - struct nfs_context *nfs = data->nfs; - - assert(rpc->magic == RPC_CONTEXT_MAGIC); - - if (status == RPC_STATUS_ERROR) { - data->cb(-EFAULT, nfs, command_data, data->private_data); - free_nfs_cb_data(data); - return; - } - if (status == RPC_STATUS_CANCEL) { - data->cb(-EINTR, nfs, "Command was cancelled", data->private_data); - free_nfs_cb_data(data); - return; - } - - if (rpc_pmap2_getport_async(rpc, MOUNT_PROGRAM, MOUNT_V3, IPPROTO_TCP, nfs_mount_3_cb, private_data) != 0) { - data->cb(-ENOMEM, nfs, command_data, data->private_data); - free_nfs_cb_data(data); - return; - } -} - -static void nfs_mount_1_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data) -{ - struct nfs_cb_data *data = private_data; - struct nfs_context *nfs = data->nfs; - - assert(rpc->magic == RPC_CONTEXT_MAGIC); - - /* Dont want any more callbacks even if the socket is closed */ - rpc->connect_cb = NULL; - - if (status == RPC_STATUS_ERROR) { - data->cb(-EFAULT, nfs, command_data, data->private_data); - free_nfs_cb_data(data); - return; - } - if (status == RPC_STATUS_CANCEL) { - data->cb(-EINTR, nfs, "Command was cancelled", data->private_data); - free_nfs_cb_data(data); - return; - } - - if (rpc_pmap2_null_async(rpc, nfs_mount_2_cb, data) != 0) { - data->cb(-ENOMEM, nfs, command_data, data->private_data); - free_nfs_cb_data(data); - return; - } -} - /* * Async call for mounting an nfs share and geting the root filehandle */ @@ -875,7 +773,7 @@ int nfs_mount_async(struct nfs_context *nfs, const char *server, const char *exp data->cb = cb; data->private_data = private_data; - if (rpc_connect_async(nfs->rpc, server, 111, nfs_mount_1_cb, data) != 0) { + if (rpc_connect_program_async(nfs->rpc, server, MOUNT_PROGRAM, MOUNT_V3, nfs_mount_5_cb, data) != 0) { rpc_set_error(nfs->rpc, "Failed to start connection"); free_nfs_cb_data(data); return -1;