FreeCalypso > hg > freecalypso-tools

annotate rvinterf/etmsync/fsupload.c @ 407:19e5a3e2f9c0

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fcup-settime: moved time() retrieval a little closer to the output A fundamental problem with all simple time transfer tools is that there is always some delay between the time retrieval on the source system and that transmitted time being set on the destination, and the resulting time on the destination system is off by that delay amount. This delay cannot be fully eliminated when working in a simple environment like ours, but we should make our best effort to minimize it. In the present case, moving the atinterf_init() call before the time() retrieval should make a teensy-tiny improvement.
author Mychaela Falconia <falcon@freecalypso.org>
date Sat, 11 Aug 2018 21:52:17 +0000
parents e7502631a0f9
children
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0
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1 /*
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2 * upload-fs implementation
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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 <sys/param.h>
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7 #include <sys/stat.h>
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8 #include <dirent.h>
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9 #include <ctype.h>
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10 #include <stdio.h>
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11 #include <stdlib.h>
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12 #include <string.h>
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13 #include <strings.h>
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14 #include "etm.h"
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Mychaela Falconia <falcon@freecalypso.org>
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15 #include "ffs.h"
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Mychaela Falconia <falcon@freecalypso.org>
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16 #include "ffserr.h"
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Mychaela Falconia <falcon@freecalypso.org>
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17 #include "tmffs2.h"
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18 #include "limits.h"
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19 #include "ffslimits.h"
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20 #include "localtypes.h"
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21 #include "localstruct.h"
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22 #include "exitcodes.h"
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23
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24 uploadfs_level(srcpath, depth, prefix)
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Mychaela Falconia <falcon@freecalypso.org>
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25 char *srcpath, *prefix;
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26 {
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27 char ffs_childpath[MAX_FULL_PATHNAME+1], *ffs_childp;
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Mychaela Falconia <falcon@freecalypso.org>
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28 DIR *rdd;
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29 struct dirent *dirent;
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30 char hostpath_child[MAXPATHLEN];
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31 struct stat hst;
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32 int rc;
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33
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34 strcpy(ffs_childpath, prefix);
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35 ffs_childp = index(ffs_childpath, '\0');
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36 *ffs_childp++ = '/';
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37 rdd = opendir(srcpath);
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38 if (!rdd) {
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39 perror(srcpath);
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40 return(ERROR_UNIX);
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41 }
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42 while (dirent = readdir(rdd)) {
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43 if (dirent->d_name[0] == '.')
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44 continue;
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45 if (strlen(dirent->d_name) > MAX_FN_COMPONENT) {
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46 fprintf(stderr,
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47 "error: \"%s\" in %s exceeds the FFS component name limit\n",
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48 dirent->d_name, srcpath);
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49 closedir(rdd);
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50 return(ERROR_USAGE);
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51 }
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52 if (strlen(srcpath) + strlen(dirent->d_name) + 2 >
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53 sizeof hostpath_child) {
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54 fprintf(stderr,
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55 "error: host side pathname buffer overflow\n");
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56 closedir(rdd);
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57 return(ERROR_UNIX);
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58 }
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59 sprintf(hostpath_child, "%s/%s", srcpath, dirent->d_name);
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60 if (lstat(hostpath_child, &hst) < 0) {
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61 perror(hostpath_child);
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62 closedir(rdd);
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63 return(ERROR_UNIX);
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64 }
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65 strcpy(ffs_childp, dirent->d_name);
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66 switch (hst.st_mode & S_IFMT) {
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67 case S_IFREG:
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68 printf("uploading %s\n", ffs_childpath);
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69 rc = fwrite_from_file(ffs_childpath, hostpath_child);
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70 if (rc) {
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71 closedir(rdd);
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72 return(rc);
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73 }
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74 break;
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75 case S_IFDIR:
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76 if (depth >= MAX_NAME_DEPTH-1) {
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77 fprintf(stderr,
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78 "error: directory nesting too deep at %s\n",
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79 hostpath_child);
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80 closedir(rdd);
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81 return(ERROR_USAGE);
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82 }
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83 printf("mkdir %s\n", ffs_childpath);
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84 rc = do_mkdir_existok(ffs_childpath);
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85 if (rc) {
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86 closedir(rdd);
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87 return(rc);
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88 }
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89 rc = uploadfs_level(hostpath_child, depth + 1,
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90 ffs_childpath);
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91 if (rc) {
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92 closedir(rdd);
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93 return(rc);
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94 }
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95 break;
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96 default:
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97 fprintf(stderr,
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98 "error: %s is neither a regular file nor a directory\n",
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99 hostpath_child);
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100 closedir(rdd);
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101 return(ERROR_USAGE);
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102 }
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103 }
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104 closedir(rdd);
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Mychaela Falconia <falcon@freecalypso.org>
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105 return(0);
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parents:
diff changeset
106 }
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parents:
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107
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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108 cmd_uploadfs(argc, argv)
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109 char **argv;
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parents:
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110 {
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parents:
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111 return uploadfs_level(argv[1], 0, "");
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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112 }
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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113
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114 cmd_upload_file(argc, argv)
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115 char **argv;
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parents:
diff changeset
116 {
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
117 if (strlen(argv[2]) >= TMFFS_STRING_SIZE) {
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
118 fprintf(stderr,
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
119 "error: pathname arg exceeds string length limit\n");
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
120 return(ERROR_USAGE);
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
121 }
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
122 return fwrite_from_file(argv[2], argv[1]);
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
123 }
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
124
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
125 cmd_upload_subtree(argc, argv)
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
126 char **argv;
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
127 {
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
128 int rc, depth;
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
129
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
130 depth = validate_ffs_pathname(argv[2]);
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
131 if (depth < 0)
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
132 return(ERROR_USAGE); /* error msg already printed */
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
133 if (depth == 0) {
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
134 fprintf(stderr, "please use upload-fs command instead\n");
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
135 return(ERROR_USAGE);
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
136 }
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
137 if (depth >= MAX_NAME_DEPTH) {
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
138 fprintf(stderr, "cannot upload into max-depth directory\n");
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
139 return(ERROR_USAGE);
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
140 }
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
141 printf("mkdir %s\n", argv[2]);
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
142 rc = do_mkdir_existok(argv[2]);
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
143 if (rc)
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
144 return(rc);
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
145 return uploadfs_level(argv[1], depth, argv[2]);
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
146 }