FreeCalypso > hg > freecalypso-sw
changeset 282:517e8a428fde
fc-fsio: xlstat operation implemented
author | Michael Spacefalcon <msokolov@ivan.Harhan.ORG> |
---|---|
date | Tue, 25 Feb 2014 07:42:21 +0000 |
parents | 082d12a1651e |
children | 88eed3327682 |
files | rvinterf/etmsync/fsbasics.c rvinterf/etmsync/fscmdtab.c rvinterf/etmsync/localstruct.h rvinterf/include/ffs.h |
diffstat | 4 files changed, 107 insertions(+), 0 deletions(-) [+] |
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--- a/rvinterf/etmsync/fsbasics.c Mon Feb 24 07:44:33 2014 +0000 +++ b/rvinterf/etmsync/fsbasics.c Tue Feb 25 07:42:21 2014 +0000 @@ -11,6 +11,8 @@ #include "ffs.h" #include "tmffs2.h" #include "limits.h" +#include "localtypes.h" +#include "localstruct.h" #include "exitcodes.h" extern u_char rvi_msg[]; @@ -130,3 +132,78 @@ } return(0); } + +do_xlstat(pathname, result) + char *pathname; + struct stat_info *result; +{ + u_char cmdpkt[MAX_PKT_TO_TARGET], *dp; + int rc, slen; + + slen = strlen(pathname); + if (slen >= TMFFS_STRING_SIZE) { + printf("error: pathname arg exceeds string length limit\n"); + return(ERROR_USAGE); + } + dp = cmdpkt + 1; + *dp++ = ETM_FFS2; + *dp++ = TMFFS_XLSTAT; + *dp++ = slen + 1; + strcpy(dp, pathname); + dp += slen + 1; + rc = etm_pkt_exch(cmdpkt, dp - cmdpkt - 1); + if (rc) + return(rc); + if (rvi_msg[3]) { + printf("xlstat: FFS error %d\n", rvi_msg[3]); + return(ERROR_TARGET); + } + if (rvi_msg_len != 30 || rvi_msg[4] != 24) { + printf("error: xlstat response has wrong length\n"); + return(ERROR_TARGET); + } + result->type = rvi_msg[5]; + result->flags = rvi_msg[6]; + result->inode = rvi_msg[7] | rvi_msg[8] << 8; + result->size = rvi_msg[9] | rvi_msg[10] << 8 | rvi_msg[11] << 16 | + rvi_msg[12] << 24; + result->space = rvi_msg[13] | rvi_msg[14] << 8 | rvi_msg[15] << 16 | + rvi_msg[16] << 24; + result->location = rvi_msg[17] | rvi_msg[18] << 8 | rvi_msg[19] << 16 | + rvi_msg[20] << 24; + result->block = rvi_msg[22]; + result->sequence = rvi_msg[23] | rvi_msg[24] << 8; + result->updates = rvi_msg[25] | rvi_msg[26] << 8; + return(0); +} + +cmd_stat(argc, argv) + char **argv; +{ + struct stat_info stat; + int rc; + char *type; + + rc = do_xlstat(argv[1], &stat); + if (rc) + return(rc); + switch (stat.type) { + case OT_FILE: + type = "file"; + break; + case OT_DIR: + type = "directory"; + break; + case OT_LINK: + type = "symlink"; + break; + default: + type = "???"; + } + printf("Type: %s%s\n", type, + stat.flags & OF_READONLY ? ", read-only" : ""); + printf("inode %x\n", stat.inode); + printf("size %u, space %u\n", stat.size, stat.space); + printf("location=%x, block %d\n", stat.location, stat.block); + return(0); +}
--- a/rvinterf/etmsync/fscmdtab.c Mon Feb 24 07:44:33 2014 +0000 +++ b/rvinterf/etmsync/fscmdtab.c Tue Feb 25 07:42:21 2014 +0000 @@ -8,11 +8,13 @@ extern int cmd_exit(); extern int cmd_ffs2ver(); extern int cmd_ls(); +extern int cmd_stat(); struct cmdtab cmdtab[] = { {"exec", 1, 1, cmd_exec}, {"exit", 0, 0, cmd_exit}, {"ffs2ver", 0, 0, cmd_ffs2ver}, {"ls", 1, 1, cmd_ls}, + {"stat", 1, 1, cmd_stat}, {0, 0, 0, 0} };
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/rvinterf/etmsync/localstruct.h Tue Feb 25 07:42:21 2014 +0000 @@ -0,0 +1,17 @@ +/* + * The struct defined below captures the results of a stat (actually xlstat) + * operation on the target; it is a host (aka local) struct, with host byte + * ordering, alignment and data types. + */ + +struct stat_info { + u8 type; + u8 flags; + int inode; + u32 size; // size of data space occupied by object + u32 space; // size of physical data space occupied by object + u32 location; + u8 block; + u16 sequence; + u16 updates; +};
--- a/rvinterf/include/ffs.h Mon Feb 24 07:44:33 2014 +0000 +++ b/rvinterf/include/ffs.h Tue Feb 25 07:42:21 2014 +0000 @@ -2,6 +2,17 @@ * A few generic FFS API definitions which apply to both TMFFS1 and TMFFS2 */ +enum FFS_OBJECT_TYPE { + OT_FILE = 1, + OT_DIR = 2, + OT_LINK = 3, + OT_SEGMENT = 4 +}; + +enum FFS_OBJECT_FLAGS { + OF_READONLY = 1<<4 // object cannot be modified +}; + enum FFS_OPEN { FFS_O_EMPTY = 0x00, // Okay? FFS_O_CREATE = 0x01,