FreeCalypso > hg > freecalypso-sw
annotate rvinterf/etmsync/fsbasics.c @ 352:39b5b18e26b2
os_com_fl.c: os_CreateQueue() done
author | Michael Spacefalcon <msokolov@ivan.Harhan.ORG> |
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date | Mon, 12 May 2014 00:04:13 +0000 |
parents | 3dd74b16df82 |
children | d1333db6385f |
rev | line source |
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1 /* |
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2 * Basic FFS2 operations |
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3 */ |
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4 |
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5 #include <sys/types.h> |
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6 #include <stdio.h> |
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7 #include <stdlib.h> |
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8 #include <string.h> |
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9 #include <strings.h> |
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10 #include "etm.h" |
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11 #include "ffs.h" |
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12 #include "tmffs2.h" |
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13 #include "limits.h" |
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14 #include "ffslimits.h" |
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15 #include "localtypes.h" |
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16 #include "localstruct.h" |
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17 #include "exitcodes.h" |
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18 |
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19 extern u_char rvi_msg[]; |
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20 extern int rvi_msg_len; |
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21 |
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22 cmd_ffs2ver() |
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23 { |
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24 u_char cmdpkt[4]; |
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25 int rc; |
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26 |
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27 cmdpkt[1] = ETM_FFS2; |
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28 cmdpkt[2] = TMFFS_VERSION; |
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29 rc = etm_pkt_exch(cmdpkt, 2); |
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30 if (rc) |
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31 return(rc); |
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32 if (rvi_msg[3]) { |
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33 printf("FFS2 error %d\n", rvi_msg[3]); |
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34 return(ERROR_TARGET); |
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35 } |
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36 if (rvi_msg_len != 7) { |
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37 printf("error: FFS2 version response has wrong length\n"); |
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38 return(ERROR_TARGET); |
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39 } |
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40 printf("FFS2 version: %02X.%02X\n", rvi_msg[5], rvi_msg[4]); |
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41 return(0); |
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42 } |
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43 |
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44 do_opendir(pathname, statertn, countrtn) |
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45 char *pathname; |
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46 u_char *statertn; |
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47 int *countrtn; |
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48 { |
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49 u_char cmdpkt[MAX_PKT_TO_TARGET], *dp; |
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50 int rc, slen; |
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51 |
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52 slen = strlen(pathname); |
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53 if (slen >= TMFFS_STRING_SIZE) { |
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54 printf("error: pathname arg exceeds string length limit\n"); |
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55 return(ERROR_USAGE); |
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56 } |
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57 dp = cmdpkt + 1; |
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58 *dp++ = ETM_FFS2; |
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59 *dp++ = TMFFS_OPENDIR; |
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60 *dp++ = slen + 1; |
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61 strcpy(dp, pathname); |
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62 dp += slen + 1; |
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63 rc = etm_pkt_exch(cmdpkt, dp - cmdpkt - 1); |
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64 if (rc) |
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65 return(rc); |
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66 if (rvi_msg[3]) { |
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67 report_ffs_err("opendir", rvi_msg[3]); |
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68 return(ERROR_TARGET); |
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69 } |
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70 if (rvi_msg_len != 11 || rvi_msg[5] != 4) { |
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71 printf("error: opendir response has wrong length\n"); |
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72 return(ERROR_TARGET); |
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73 } |
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74 *countrtn = rvi_msg[4]; |
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75 bcopy(rvi_msg + 6, statertn, 4); |
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76 return(0); |
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77 } |
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78 |
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79 do_readdir(state, namebuf, namebuflen) |
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80 u_char *state; |
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81 char *namebuf; |
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82 { |
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83 u_char cmdpkt[10]; |
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84 int rc, slen; |
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85 |
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86 cmdpkt[1] = ETM_FFS2; |
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87 cmdpkt[2] = TMFFS_READDIR; |
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88 cmdpkt[3] = 4; |
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89 bcopy(state, cmdpkt+4, 4); |
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90 cmdpkt[8] = TMFFS_STRING_SIZE; |
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91 rc = etm_pkt_exch(cmdpkt, 8); |
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92 if (rc) |
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93 return(rc); |
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94 if (rvi_msg[3]) { |
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95 report_ffs_err("readdir", rvi_msg[3]); |
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96 return(ERROR_TARGET); |
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97 } |
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98 if (rvi_msg_len < 14) { |
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99 malformed: printf("error: readdir response is malformed\n"); |
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100 return(ERROR_TARGET); |
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101 } |
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102 if (rvi_msg[5] != 4) |
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103 goto malformed; |
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104 slen = rvi_msg[10]; |
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105 if (slen < 2 || rvi_msg_len != slen + 12) |
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106 goto malformed; |
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107 if (slen > namebuflen) { |
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108 printf("error: readdir response exceeds provided buffer\n"); |
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109 return(ERROR_TARGET); |
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110 } |
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111 if (rvi_msg[11 + slen - 1]) /* must be terminating NUL */ |
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112 goto malformed; |
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113 bcopy(rvi_msg + 6, state, 4); |
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114 strcpy(namebuf, rvi_msg + 11); |
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115 return(0); |
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116 } |
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117 |
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118 cmd_ls(argc, argv) |
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119 char **argv; |
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120 { |
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121 u_char state[4]; |
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122 char namebuf[256]; |
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123 int nument, i, rc; |
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124 |
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125 rc = do_opendir(argv[1], state, &nument); |
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126 if (rc) |
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127 return(rc); |
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128 if (!nument) { |
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129 printf("<empty dir>\n"); |
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130 return(0); |
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131 } |
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132 for (i = 0; i < nument; i++) { |
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133 rc = do_readdir(state, namebuf, sizeof namebuf); |
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134 if (rc) |
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135 return(rc); |
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136 printf("%s\n", namebuf); |
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137 } |
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138 return(0); |
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139 } |
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140 |
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141 do_xlstat(pathname, result) |
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142 char *pathname; |
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143 struct stat_info *result; |
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144 { |
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145 u_char cmdpkt[MAX_PKT_TO_TARGET], *dp; |
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146 int rc, slen; |
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147 |
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148 slen = strlen(pathname); |
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149 if (slen >= TMFFS_STRING_SIZE) { |
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150 printf("error: pathname arg exceeds string length limit\n"); |
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151 return(ERROR_USAGE); |
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152 } |
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153 dp = cmdpkt + 1; |
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154 *dp++ = ETM_FFS2; |
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155 *dp++ = TMFFS_XLSTAT; |
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156 *dp++ = slen + 1; |
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157 strcpy(dp, pathname); |
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158 dp += slen + 1; |
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159 rc = etm_pkt_exch(cmdpkt, dp - cmdpkt - 1); |
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160 if (rc) |
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161 return(rc); |
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162 if (rvi_msg[3]) { |
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163 report_ffs_err("xlstat", rvi_msg[3]); |
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164 return(ERROR_TARGET); |
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165 } |
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166 if (rvi_msg_len != 30 || rvi_msg[4] != 24) { |
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167 printf("error: xlstat response has wrong length\n"); |
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168 return(ERROR_TARGET); |
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169 } |
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170 result->type = rvi_msg[5]; |
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171 result->flags = rvi_msg[6]; |
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172 result->inode = rvi_msg[7] | rvi_msg[8] << 8; |
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173 result->size = rvi_msg[9] | rvi_msg[10] << 8 | rvi_msg[11] << 16 | |
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174 rvi_msg[12] << 24; |
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175 result->space = rvi_msg[13] | rvi_msg[14] << 8 | rvi_msg[15] << 16 | |
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176 rvi_msg[16] << 24; |
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177 result->location = rvi_msg[17] | rvi_msg[18] << 8 | rvi_msg[19] << 16 | |
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178 rvi_msg[20] << 24; |
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179 result->block = rvi_msg[22]; |
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180 result->sequence = rvi_msg[23] | rvi_msg[24] << 8; |
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181 result->updates = rvi_msg[25] | rvi_msg[26] << 8; |
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182 return(0); |
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183 } |
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184 |
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185 cmd_stat(argc, argv) |
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186 char **argv; |
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187 { |
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188 struct stat_info stat; |
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189 int rc; |
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190 char *type; |
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191 |
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192 rc = do_xlstat(argv[1], &stat); |
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193 if (rc) |
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194 return(rc); |
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195 switch (stat.type) { |
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196 case OT_FILE: |
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197 type = "file"; |
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198 break; |
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199 case OT_DIR: |
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200 type = "directory"; |
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201 break; |
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202 case OT_LINK: |
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203 type = "symlink"; |
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204 break; |
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205 default: |
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206 type = "???"; |
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207 } |
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208 printf("Type: %s%s\n", type, |
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209 stat.flags & OF_READONLY ? ", read-only" : ""); |
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210 printf("inode %x\n", stat.inode); |
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211 printf("size %u, space %u\n", stat.size, stat.space); |
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212 printf("location=%x, block %d\n", stat.location, stat.block); |
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213 return(0); |
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214 } |