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annotate src/request.c @ 223:ffb1848a39db noffle

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[svn] * src/util.c: Improve (correct) error detection when updating timestamp file. * src/content.h, src/content.c: Return Boolean success/fail from Cont_write. Also ensure cont.first isn't polluted in the event of a failed update. * src/client.c,src/control.c,src/fetch.c,src/noffle.c,src/post.c, src/pseudo.c: If Cont_write fails, don't do actions that need it to have worked. Typically, don't update first and last article numbers in group database. * src/server.c: If groupinfo.lastupdate is unreadable or corrupt, spot this and report it and give an explicit error when processing NNTP NEWGROUPS command.
author bears
date Sun, 09 Dec 2001 12:31:57 +0000
parents 24d4cd032da5
children 0340b9c17edc
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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43
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1 /*
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2 request.c
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3
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4 Collection of articles that are marked for download.
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5
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6 $Id: request.c 316 2001-10-31 11:44:53Z bears $
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7 */
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8
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9 #if HAVE_CONFIG_H
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10 #include <config.h>
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11 #endif
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12
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13 #include <stdio.h>
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14 #include <dirent.h>
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15 #include <errno.h>
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16 #include <fcntl.h>
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17 #include <sys/types.h>
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18 #include <sys/stat.h>
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19 #include <unistd.h>
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20 #include <assert.h>
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21 #include "configfile.h"
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22 #include "log.h"
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23 #include "portable.h"
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24 #include "request.h"
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25 #include "util.h"
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28 /* This struct keeps record of the message IDs that are to be fetched from
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29 one particular host. Several of these are chained together via the
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30 "next" pointer, if we have several servers.
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31 */
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32
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33 struct Reqserv;
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34 typedef struct Reqserv Reqserv;
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35
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36 struct Reqserv {
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37 char* serv; /* Server the messages are to be requested
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38 from */
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39 char** reql; /* List of message IDs of requested
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40 messages. Some entries (that have been
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41 deleted) may be NULL */
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42 int reql_length; /* Number of string pointers in reql,
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43 including NULL entries */
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44 int reql_capacity; /* maximum number of string pointers reql
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45 can hold */
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46 Bool dirty; /* whether the request list needs to be
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47 rewritten to disk */
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48 Reqserv* next; /* next Reqserv in list */
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49 time_t mtime; /* last modification time of request file */
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50 };
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51
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52 /* List of servers */
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53 static Reqserv* reqserv = 0;
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54
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55 /* sanity check */
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56 static Bool is_open = FALSE;
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57
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58 /* for Req_first/Req_next */
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59 static char** iterator = 0;
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60 static char** iterator_end = 0;
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61
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62
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63 /* local functions */
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64 static Reqserv* newReqserv (const char* serv);
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65 static Bool getReqserv (const char* serv, Reqserv** rsz);
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66 static void fileRequest (Str file, const char *serv);
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67 static char** searchMsgId (const Reqserv * rs, const char *msgId);
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cfad9678e286 [svn] Applied patch from M.Nalis:
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68 static Bool storeMsgId (Reqserv* rs, const char* msgId);
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69 static Bool readRequestfile (const char* serv, Reqserv** rsz);
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70 static time_t get_mtime (const char* serv);
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71
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72 /* read modification time of request file */
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73 static time_t get_mtime(const char* serv)
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74 {
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75 Str filename;
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76 struct stat stat1;
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77
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78 fileRequest(filename, serv);
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79 stat(filename, &stat1);
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80 return stat1.st_mtime;
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81 }
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82
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83
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84 /* create new Reqserv and queue it */
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85 static Reqserv* newReqserv(const char* serv)
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86 {
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87 Reqserv* rs = malloc(sizeof(Reqserv));
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88 rs->serv = strcpy(malloc(strlen(serv)+1), serv);
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89 rs->reql = 0;
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90 rs->reql_length = 0;
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91 rs->reql_capacity = 0;
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92 rs->next = reqserv;
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93 rs->dirty = FALSE;
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94 rs->mtime = 0;
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95 reqserv = rs;
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96 return rs;
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97 }
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98
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99
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100 /* get Reqserv for given server, and save it in "rsz". Load from file as
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101 necessary. Return TRUE on success. Otherwise log errors and return
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102 FALSE. (details in errno)
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103 */
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104 static Bool getReqserv(const char* serv, Reqserv** rsz)
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105 {
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106 Reqserv* rs;
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107 for (rs = reqserv; rs; rs = rs->next)
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108 if (!strcmp(serv, rs->serv)) {
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109 *rsz = rs;
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110 return TRUE;
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111 }
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112 return readRequestfile(serv, rsz);
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113 }
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114
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115
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116 /* Delete Reqserv from cache, if not up-to-date */
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117 static void
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118 cleanupReqserv( void )
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119 {
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120 Reqserv *rs, *prev, *next;
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121
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
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parents:
diff changeset
122 rs = reqserv;
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
123 prev = NULL;
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
124 while ( rs != NULL )
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
125 {
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
126 ASSERT( ! rs->dirty );
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
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parents:
diff changeset
127 next = rs->next;
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
128 if ( get_mtime( rs->serv ) != rs->mtime )
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
129 {
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
130 if ( prev != NULL )
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
131 prev->next = next;
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
132 else
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
133 reqserv = next;
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
134 free( rs->serv );
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
135 rs->serv = NULL;
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
136 free( rs->reql );
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
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parents:
diff changeset
137 rs->reql = NULL;
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
138 free( rs );
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
139 }
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
140 prev = rs;
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
141 rs = next;
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
142 }
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
143 }
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
144
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
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parents:
diff changeset
145 /* Save name of file storing requests from server "serv" in "file" */
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
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parents:
diff changeset
146 static void fileRequest( Str file, const char *serv)
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
147 {
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
148 snprintf( file, MAXCHAR, "%s/requested/%s", Cfg_spoolDir(), serv);
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
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parents:
diff changeset
149 }
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
150
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
151
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
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parents:
diff changeset
152 /* Search for msgid in Reqserv. Return pointer to list entry. Return 0 if
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
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parents:
diff changeset
153 list does not contain msgid. */
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
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parents:
diff changeset
154 static char** searchMsgId(const Reqserv * rs, const char *msgId )
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
155 {
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
156 char** rz;
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
157 ASSERT(rs != 0);
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
158
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
159 if (!rs->reql)
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
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parents:
diff changeset
160 return 0;
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
161
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
162 for (rz = rs->reql; rz < rs->reql + rs->reql_length; rz++)
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
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diff changeset
163 if (*rz && !strcmp(*rz, msgId))
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
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parents:
diff changeset
164 return rz;
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
165
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
166 return 0;
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
167 }
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
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diff changeset
168
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
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parents:
diff changeset
169
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
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diff changeset
170 Bool
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
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parents:
diff changeset
171 Req_contains(const char *serv, const char *msgId)
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
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parents:
diff changeset
172 {
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
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diff changeset
173 Reqserv* rs;
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
174 ASSERT( is_open );
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
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diff changeset
175 if (getReqserv(serv, &rs) == FALSE)
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
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diff changeset
176 return FALSE;
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
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parents:
diff changeset
177 return searchMsgId(rs, msgId) ? TRUE : FALSE;
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
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diff changeset
178 }
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
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parents:
diff changeset
179
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
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parents:
diff changeset
180
124
cfad9678e286 [svn] Applied patch from M.Nalis:
enz
parents: 54
diff changeset
181 static Bool storeMsgId(Reqserv* rs, const char* msgId)
43
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
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diff changeset
182 {
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
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parents:
diff changeset
183 char* msgid;
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
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parents:
diff changeset
184
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
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parents:
diff changeset
185 if (searchMsgId(rs, msgId))
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
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parents:
diff changeset
186 /* already recorded */
124
cfad9678e286 [svn] Applied patch from M.Nalis:
enz
parents: 54
diff changeset
187 return FALSE;
43
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
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diff changeset
188
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
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diff changeset
189 msgid = strcpy(malloc(strlen(msgId)+1), msgId);
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
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diff changeset
190
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
191 if (rs->reql_length >= rs->reql_capacity) {
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
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parents:
diff changeset
192 int c1 = rs->reql_capacity*2 + 10;
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
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diff changeset
193 rs->reql = (char**) realloc(rs->reql, c1*sizeof(char*));
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
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diff changeset
194 rs->reql_capacity = c1;
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
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parents:
diff changeset
195 }
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
196
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
197 *(rs->reql + rs->reql_length++) = msgid;
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
198 rs->dirty = TRUE;
124
cfad9678e286 [svn] Applied patch from M.Nalis:
enz
parents: 54
diff changeset
199 return TRUE;
cfad9678e286 [svn] Applied patch from M.Nalis:
enz
parents: 54
diff changeset
200 }
cfad9678e286 [svn] Applied patch from M.Nalis:
enz
parents: 54
diff changeset
201
cfad9678e286 [svn] Applied patch from M.Nalis:
enz
parents: 54
diff changeset
202 static Bool
cfad9678e286 [svn] Applied patch from M.Nalis:
enz
parents: 54
diff changeset
203 appRequest (Reqserv* rs, const char *msgId)
cfad9678e286 [svn] Applied patch from M.Nalis:
enz
parents: 54
diff changeset
204 {
cfad9678e286 [svn] Applied patch from M.Nalis:
enz
parents: 54
diff changeset
205 Str filename;
cfad9678e286 [svn] Applied patch from M.Nalis:
enz
parents: 54
diff changeset
206 FILE* file;
cfad9678e286 [svn] Applied patch from M.Nalis:
enz
parents: 54
diff changeset
207
cfad9678e286 [svn] Applied patch from M.Nalis:
enz
parents: 54
diff changeset
208 fileRequest(filename, rs->serv);
185
fed1334d766b [svn] * src/client.c: Change variable only used on constant to 'const'.
bears
parents: 124
diff changeset
209 Log_dbg( LOG_DBG_REQUESTS, "appending to request file %s", filename );
124
cfad9678e286 [svn] Applied patch from M.Nalis:
enz
parents: 54
diff changeset
210
cfad9678e286 [svn] Applied patch from M.Nalis:
enz
parents: 54
diff changeset
211 if (Log_check((file = fopen(filename, "a")) != 0,
cfad9678e286 [svn] Applied patch from M.Nalis:
enz
parents: 54
diff changeset
212 "could not open %s for appending: %s",
cfad9678e286 [svn] Applied patch from M.Nalis:
enz
parents: 54
diff changeset
213 filename, strerror(errno)))
cfad9678e286 [svn] Applied patch from M.Nalis:
enz
parents: 54
diff changeset
214 return FALSE;
cfad9678e286 [svn] Applied patch from M.Nalis:
enz
parents: 54
diff changeset
215
cfad9678e286 [svn] Applied patch from M.Nalis:
enz
parents: 54
diff changeset
216 if (Log_check( fputs(msgId, file) != EOF
cfad9678e286 [svn] Applied patch from M.Nalis:
enz
parents: 54
diff changeset
217 && fputs("\n", file) != EOF,
cfad9678e286 [svn] Applied patch from M.Nalis:
enz
parents: 54
diff changeset
218 "write error: %s", strerror(errno)))
cfad9678e286 [svn] Applied patch from M.Nalis:
enz
parents: 54
diff changeset
219 return FALSE;
cfad9678e286 [svn] Applied patch from M.Nalis:
enz
parents: 54
diff changeset
220
cfad9678e286 [svn] Applied patch from M.Nalis:
enz
parents: 54
diff changeset
221 if (Log_check(fclose(file) != EOF,
cfad9678e286 [svn] Applied patch from M.Nalis:
enz
parents: 54
diff changeset
222 "could not close %s properly: %s\n",
cfad9678e286 [svn] Applied patch from M.Nalis:
enz
parents: 54
diff changeset
223 filename, strerror(errno)))
cfad9678e286 [svn] Applied patch from M.Nalis:
enz
parents: 54
diff changeset
224 return FALSE;
cfad9678e286 [svn] Applied patch from M.Nalis:
enz
parents: 54
diff changeset
225
cfad9678e286 [svn] Applied patch from M.Nalis:
enz
parents: 54
diff changeset
226 return TRUE;
43
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
227 }
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
228
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
229
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
230 /* Add request for message "msgIg" from server "serv". Return TRUE iff
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
231 successful.
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
232 */
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
233 Bool Req_add(const char *serv, const char *msgId)
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
234 {
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
235 Reqserv* rs;
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
236 ASSERT( is_open );
185
fed1334d766b [svn] * src/client.c: Change variable only used on constant to 'const'.
bears
parents: 124
diff changeset
237 Log_dbg( LOG_DBG_REQUESTS, "Marking %s on %s for download", msgId, serv );
43
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
238
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
239 if (getReqserv(serv, &rs) == FALSE)
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
240 return FALSE;
124
cfad9678e286 [svn] Applied patch from M.Nalis:
enz
parents: 54
diff changeset
241 if (storeMsgId(rs, msgId) == FALSE) /* already recorded */
43
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
242 return TRUE;
124
cfad9678e286 [svn] Applied patch from M.Nalis:
enz
parents: 54
diff changeset
243 return appRequest(rs, msgId);
43
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
244 }
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
245
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
246 static Bool
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
247 readLn( Str line, FILE* f )
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
248 {
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
249 size_t len;
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
250
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
251 if ( ! fgets( line, MAXCHAR, f ) )
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
252 return FALSE;
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
253 len = strlen( line );
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
254 if ( line[ len - 1 ] == '\n' )
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
255 line[ len - 1 ] = '\0';
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
256 return TRUE;
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
257 }
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
258
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
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diff changeset
259 /* Read request file into new, non-queued Reqserv. Save new Reqserv in
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
260 "rsz" and return TRUE on success. Returns FALSE on failure, see errno.
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
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parents:
diff changeset
261 If the file doesn't exist, an empty Reqserv is returned.
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
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parents:
diff changeset
262 */
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
263 static Bool readRequestfile(const char* serv, Reqserv** rsz)
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
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parents:
diff changeset
264 {
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
265 Str filename;
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
266 Str line;
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
267 FILE* file;
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
268 Reqserv* rs;
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
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parents:
diff changeset
269
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
270 fileRequest(filename, serv);
185
fed1334d766b [svn] * src/client.c: Change variable only used on constant to 'const'.
bears
parents: 124
diff changeset
271 Log_dbg( LOG_DBG_REQUESTS, "reading request file %s", filename );
43
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
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diff changeset
272
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
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parents:
diff changeset
273 file = fopen(filename, "r");
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
274 if (!file && (errno == ENOENT)) {
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
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diff changeset
275 *rsz = newReqserv(serv);
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
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diff changeset
276 (*rsz)->mtime = get_mtime(serv);
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
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diff changeset
277 return TRUE;
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
278 }
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
279 if (Log_check(file != 0,
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
280 "could not open %s for reading: %s",
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
281 filename, strerror(errno)))
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
282 return FALSE;
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
283
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
284 rs = *rsz = newReqserv(serv);
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
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diff changeset
285
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
286 while( readLn(line, file) == TRUE) {
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
287 char* line1 = Utl_stripWhiteSpace(line);
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
288 if (*line1)
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
289 storeMsgId(rs, line1);
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
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diff changeset
290 }
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
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diff changeset
291
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
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diff changeset
292 rs->dirty = FALSE;
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
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diff changeset
293
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
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diff changeset
294 if (Log_check(fclose(file) != EOF,
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
295 "could not close %s properly: %s\n",
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
296 filename, strerror(errno)))
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
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diff changeset
297 return FALSE;
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
298
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
299 return TRUE;
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
300 }
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
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diff changeset
301
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
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diff changeset
302
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
303 /* Write out request file for given Reqserv. Return TRUE on success. If an
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
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diff changeset
304 I/O error occurs, it is logged, and FALSE is returned.
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
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diff changeset
305 */
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
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diff changeset
306 static Bool writeRequestfile(Reqserv* rs)
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
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diff changeset
307 {
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
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diff changeset
308 Str filename;
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
309 FILE* file;
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
310 char** z;
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
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diff changeset
311
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
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diff changeset
312 fileRequest(filename, rs->serv);
185
fed1334d766b [svn] * src/client.c: Change variable only used on constant to 'const'.
bears
parents: 124
diff changeset
313 Log_dbg( LOG_DBG_REQUESTS, "writing request file %s", filename );
43
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
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diff changeset
314
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
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diff changeset
315 if (Log_check((file = fopen(filename, "w")) != 0,
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
316 "could not open %s for writing: %s",
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
317 filename, strerror(errno)))
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
318 return FALSE;
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
319
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
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diff changeset
320 if (rs->reql)
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
321 for (z = rs->reql; z < rs->reql+rs->reql_length; z++)
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
322 if (*z) {
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
323 if (Log_check( fputs(*z, file) != EOF
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
324 && fputs("\n", file) != EOF,
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
325 "write error: %s", strerror(errno)))
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
326 return FALSE;
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
327 }
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
328
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
329 if (Log_check(fclose(file) != EOF,
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
330 "could not close %s properly: %s\n",
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
331 filename, strerror(errno)))
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
332 return FALSE;
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
333
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
334 rs->dirty = FALSE;
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
335 rs->mtime = get_mtime(rs->serv);
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
336
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
337 return TRUE;
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
338 }
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
339
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
340
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
341 void
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
342 Req_remove( const char *serv, const char *msgId )
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
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diff changeset
343 {
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
344 Reqserv* rs;
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
345 char** z;
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
346
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
347 ASSERT( is_open );
185
fed1334d766b [svn] * src/client.c: Change variable only used on constant to 'const'.
bears
parents: 124
diff changeset
348 Log_dbg( LOG_DBG_REQUESTS, "Req_remove(\"%s\", \"%s\")", serv, msgId );
43
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
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diff changeset
349
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
350 if (getReqserv(serv, &rs) == FALSE)
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
351 return;
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
352
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
353 z = searchMsgId(rs, msgId);
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
354 if ( ! z )
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
355 return;
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
356
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
357 free(*z);
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
358 *z = 0;
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
359 rs->dirty = TRUE;
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
360 }
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
361
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
362
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
363 Bool
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
364 Req_first( const char *serv, Str msgId )
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
365 {
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
366 Reqserv* rs;
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
367
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
368 ASSERT( is_open );
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
369 ASSERT( !iterator && !iterator_end );
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
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diff changeset
370
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
371 if (getReqserv(serv, &rs) == FALSE)
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
372 return FALSE;
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
373
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
374 if (!rs->reql)
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
375 return FALSE;
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
376
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
377 iterator = rs->reql - 1;
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
378 iterator_end = rs->reql + rs->reql_length;
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
379
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
380 return Req_next(msgId);
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
381 }
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
382
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
383
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
384 Bool
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
385 Req_next( Str msgId )
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386 {
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387 ASSERT( is_open );
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388 ASSERT(iterator && iterator_end);
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389
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390 if (iterator >= iterator_end)
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391 return FALSE;
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392 iterator++;
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393
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394 while (iterator < iterator_end) {
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395 if (!*iterator)
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396 iterator++;
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397 else {
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398 Utl_cpyStr(msgId, *iterator);
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399 return TRUE;
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400 }
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401 }
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402
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403 iterator = iterator_end = 0;
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404 return FALSE;
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405 }
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406
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407
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408 /* Get exclusive access to all request files. Maybe we already have had it,
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409 and the cache is outdated. So we delete request files, which have
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410 changed recently, from cache. These files will be reread on demand.
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411 */
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412 Bool
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413 Req_open(void)
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414 {
185
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415 Log_dbg( LOG_DBG_REQUESTS, "opening request database" );
43
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416 ASSERT(is_open == FALSE);
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417 cleanupReqserv();
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418 is_open = TRUE;
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419 return TRUE;
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420 }
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421
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422
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423 /* Do not occupy the request files any longer. Write any changes to disk.
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424 Return TRUE on success, FALSE if an IO error occurs. */
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425 void Req_close(void)
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426 {
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427 Bool ret = TRUE;
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428 Reqserv* rs;
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429 Log_dbg( LOG_DBG_REQUESTS,
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430 "closing request database, writing changes to disk" );
43
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431 ASSERT(is_open == TRUE);
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432
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433 for (rs = reqserv; rs; rs = rs->next) {
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434 if (rs->dirty == TRUE) {
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435 if (!writeRequestfile(rs))
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436 ret = FALSE;
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437 }
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438 }
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439
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440 is_open = FALSE;
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441 }