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annotate src/client.h @ 165:8ea6b5ddc5a5 noffle

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[svn] * src/lock.h,src/lock.c,src/noffle.c: Add lazy lock release. Only release the lock and close the databases if (a) another process signals us SIGUSR1 indicating it wants the lock, or (b) it is explicitly requested by a call to new function Lock_syncDatabases(). When waiting for the lock, SIGUSR1 the holding process every second. This is all an attempt to minimise the number of times we need to close and open the database. When (ha!) the database is replaced by something that can handle multiple simultaneous writers (with appropriate locking) this won't be necessary.
author bears
date Thu, 25 Jan 2001 13:38:31 +0000
parents 3c71e28c8eef
children 09ca6eb5c7ff
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 /*
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2 client.h
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3
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4 Noffle acting as client to other NNTP-servers
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5
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6 $Id: client.h 183 2000-07-25 12:14:54Z bears $
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7 */
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8
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9 #ifndef CLIENT_H
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10 #define CLIENT_H
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11
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12 #if HAVE_CONFIG_H
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13 #include <config.h>
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14 #endif
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16 #if TIME_WITH_SYS_TIME
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17 #include <sys/time.h>
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18 #include <time.h>
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19 #else
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20 #if HAVE_SYS_TIME_H
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21 #include <sys/time.h>
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22 #else
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23 #include <time.h>
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24 #endif
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25 #endif
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27 #include "common.h"
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28 #include "database.h"
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29 #include "fetchlist.h"
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31 /* Format of server name: <host>[:<port>] */
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32 Bool
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33 Client_connect( const char *serv );
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34
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35 void
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36 Client_disconnect( void );
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37
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38 Bool
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39 Client_getGrps( void );
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41 Bool
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42 Client_getDsc( void );
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44 Bool
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45 Client_getNewgrps( const time_t *lastTime );
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46
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47 /*
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48 Change to group <name> at server if it is also in current local grouplist.
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49 Returns TRUE at success.
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50 */
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51 Bool
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52 Client_changeToGrp( const Str name );
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53
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54 /*
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55 Get overviews <rmtFirst> - <rmtLast> from server and append it
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56 to the current content. For articles that are to be fetched due to FULL
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57 or THREAD mode, store IDs in request database.
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58 */
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59 Bool
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60 Client_getOver( const char *grp, int rmtFirst, int rmtLast, FetchMode mode );
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62 /*
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63 Retrieve full article text and store it into database.
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64 */
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65 void
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66 Client_retrieveArt( const char *msgId );
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67
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68 /*
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69 Same, but for a list of msgId's (new line after each msgId).
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70 All ARTICLE commands are sent and then all answers read.
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71 */
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72 void
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73 Client_retrieveArtList( const char *list, int *artcnt, int artmax );
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75 /*
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76 Store IDs of first and last article of group selected by
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77 Client_changeToGroup at remote server.
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78 */
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79 void
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80 Client_rmtFirstLast( int *first, int *last );
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81
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82 Bool
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83 Client_postArt( const char *msgId, const char *artTxt, Str errStr );
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84
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85 #endif