Mercurial > noffle

annotate src/request.c @ 58:b4e6f7f96135 noffle

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[svn] Add some intermediate variables for easier debugging in needsMark(). It seems that thread mode is sometimes not working. Changed some variable types and used some casts to avoid compiler warnings about signedness. In general, int should be used for parameters for allowing a signedness assertion in the function.
author enz
date Fri, 12 May 2000 17:52:07 +0100
parents 125d79c9e586
children cfad9678e286
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
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 60 2000-05-09 22:28:38Z uh1763 $
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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 "request.h"
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15 #include <dirent.h>
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16 #include <errno.h>
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17 #include <fcntl.h>
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18 #include <sys/types.h>
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19 #include <sys/stat.h>
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20 #include <unistd.h>
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21 #include <assert.h>
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22 #include "configfile.h"
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23 #include "log.h"
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24 #include "util.h"
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25 #include "portable.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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68 static void 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));
43
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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
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122 rs = reqserv;
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123 prev = NULL;
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
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diff changeset
124 while ( rs != NULL )
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
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parents:
diff changeset
125 {
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
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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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diff changeset
127 next = rs->next;
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
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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,
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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,
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parents:
diff changeset
131 prev->next = next;
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
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parents:
diff changeset
132 else
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
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diff changeset
133 reqserv = next;
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
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diff changeset
134 free( rs->serv );
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
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diff changeset
135 rs->serv = NULL;
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
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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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diff changeset
137 rs->reql = NULL;
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
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diff changeset
138 free( rs );
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
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diff changeset
139 }
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
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diff changeset
140 prev = rs;
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
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diff changeset
141 rs = next;
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
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parents:
diff changeset
142 }
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
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diff changeset
143 }
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
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diff changeset
144
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
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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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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,
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diff changeset
147 {
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
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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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diff changeset
149 }
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
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diff changeset
150
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
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diff changeset
151
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
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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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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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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,
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diff changeset
155 {
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
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diff changeset
156 char** rz;
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
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diff changeset
157 ASSERT(rs != 0);
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
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diff changeset
158
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
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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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diff changeset
160 return 0;
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
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diff changeset
161
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
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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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diff changeset
164 return rz;
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
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diff changeset
165
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
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diff changeset
166 return 0;
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
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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,
uh1763
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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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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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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
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diff changeset
174 ASSERT( is_open );
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
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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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diff changeset
179
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
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diff changeset
180
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
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diff changeset
181 static void storeMsgId(Reqserv* rs, const char* msgId)
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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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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diff changeset
184
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
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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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diff changeset
186 /* already recorded */
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
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diff changeset
187 return;
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,
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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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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,
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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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diff changeset
195 }
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
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diff changeset
196
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
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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,
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diff changeset
198 rs->dirty = TRUE;
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
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diff changeset
199 }
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
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diff changeset
200
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
201
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
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parents:
diff changeset
202 /* 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,
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diff changeset
203 successful.
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
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diff changeset
204 */
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
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diff changeset
205 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,
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diff changeset
206 {
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
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diff changeset
207 Reqserv* rs;
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
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diff changeset
208 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
209 Log_dbg( "Marking %s on %s for download", msgId, serv );
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
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diff changeset
210
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
211 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
212 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
213 storeMsgId(rs, msgId);
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
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diff changeset
214 return TRUE;
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
215 }
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
216
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
217 static Bool
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
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parents:
diff changeset
218 readLn( Str line, FILE* f )
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
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diff changeset
219 {
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
220 size_t len;
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
221
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
222 if ( ! fgets( line, MAXCHAR, f ) )
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
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diff changeset
223 return FALSE;
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
224 len = strlen( line );
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
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parents:
diff changeset
225 if ( line[ len - 1 ] == '\n' )
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
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diff changeset
226 line[ len - 1 ] = '\0';
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
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parents:
diff changeset
227 return TRUE;
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 /* 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,
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parents:
diff changeset
231 "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,
uh1763
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diff changeset
232 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,
uh1763
parents:
diff changeset
233 */
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
234 static Bool readRequestfile(const char* serv, Reqserv** rsz)
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
235 {
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
236 Str filename;
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
237 Str line;
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
238 FILE* file;
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
239 Reqserv* rs;
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
240
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
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parents:
diff changeset
241 fileRequest(filename, serv);
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
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diff changeset
242 Log_dbg("reading request file %s", filename);
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
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diff changeset
243
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
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diff changeset
244 file = fopen(filename, "r");
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
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diff changeset
245 if (!file && (errno == ENOENT)) {
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
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parents:
diff changeset
246 *rsz = newReqserv(serv);
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
247 (*rsz)->mtime = get_mtime(serv);
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
248 return TRUE;
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
249 }
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
250 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
251 "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
252 filename, strerror(errno)))
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
253 return FALSE;
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
254
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
255 rs = *rsz = newReqserv(serv);
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
256
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
257 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
258 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
259 if (*line1)
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
260 storeMsgId(rs, line1);
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
261 }
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
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 rs->dirty = FALSE;
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
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 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
266 "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
267 filename, strerror(errno)))
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
268 return FALSE;
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
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 return TRUE;
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
271 }
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
272
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
273
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
274 /* 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,
uh1763
parents:
diff changeset
275 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,
uh1763
parents:
diff changeset
276 */
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
277 static Bool writeRequestfile(Reqserv* rs)
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 Str filename;
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
280 FILE* file;
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
281 char** z;
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
282
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
283 fileRequest(filename, rs->serv);
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
284 Log_dbg("writing request file %s", filename);
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
285
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
286 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
287 "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
288 filename, strerror(errno)))
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
289 return FALSE;
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
290
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
291 if (rs->reql)
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
292 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
293 if (*z) {
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
294 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
295 && fputs("\n", file) != EOF,
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
296 "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
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
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
300 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
301 "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
302 filename, strerror(errno)))
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
303 return FALSE;
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
304
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
305 rs->dirty = FALSE;
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
306 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
307
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
308 return TRUE;
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
309 }
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
310
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
311
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
312 void
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
313 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
parents:
diff changeset
314 {
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
315 Reqserv* rs;
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
316 char** z;
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
317
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
318 ASSERT( is_open );
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
319 Log_dbg("Req_remove(\"%s\", \"%s\")", serv, msgId);
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
320
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
321 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
322 return;
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
323
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
324 z = searchMsgId(rs, msgId);
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
325 if ( ! z )
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
326 return;
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 free(*z);
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
329 *z = 0;
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
330 rs->dirty = TRUE;
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
331 }
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
332
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 Bool
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
335 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
336 {
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
337 Reqserv* rs;
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 ASSERT( is_open );
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
340 ASSERT( !iterator && !iterator_end );
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
341
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
342 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
343 return FALSE;
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
344
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
345 if (!rs->reql)
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
346 return FALSE;
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
347
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
348 iterator = rs->reql - 1;
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
349 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
350
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
351 return Req_next(msgId);
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
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
354
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
355 Bool
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
356 Req_next( Str msgId )
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
357 {
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
358 ASSERT( is_open );
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
359 ASSERT(iterator && iterator_end);
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 if (iterator >= iterator_end)
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
362 return FALSE;
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
363 iterator++;
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
364
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
365 while (iterator < iterator_end) {
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
366 if (!*iterator)
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
367 iterator++;
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
368 else {
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
369 Utl_cpyStr(msgId, *iterator);
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
370 return TRUE;
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
371 }
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
372 }
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 iterator = iterator_end = 0;
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
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
378
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
379 /* Get exclusive access to all request files. Maybe we already have had it,
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380 and the cache is outdated. So we delete request files, which have
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381 changed recently, from cache. These files will be reread on demand.
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382 */
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383 Bool
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384 Req_open(void)
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385 {
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386 Log_dbg("opening request database");
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387 ASSERT(is_open == FALSE);
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388 cleanupReqserv();
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389 is_open = TRUE;
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390 return TRUE;
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391 }
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392
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393
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394 /* Do not occupy the request files any longer. Write any changes to disk.
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395 Return TRUE on success, FALSE if an IO error occurs. */
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396 void Req_close(void)
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397 {
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398 Bool ret = TRUE;
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399 Reqserv* rs;
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400 Log_dbg("closing request database, writing changes to disk");
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401 ASSERT(is_open == TRUE);
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402
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403 for (rs = reqserv; rs; rs = rs->next) {
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404 if (rs->dirty == TRUE) {
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405 if (!writeRequestfile(rs))
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406 ret = FALSE;
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407 }
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408 }
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409
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410 is_open = FALSE;
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411 }