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Commit | Line | Data |
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92eb0760 | 1 | /* |
2 | * $Source$ | |
3 | * $Author$ | |
4 | * $Header$ | |
5 | * | |
6 | * Copyright (C) 1987 by the Massachusetts Institute of Technology | |
babbc197 | 7 | * For copying and distribution information, please see the file |
8 | * <mit-copyright.h>. | |
83e80378 | 9 | * |
92eb0760 | 10 | */ |
11 | ||
12 | #ifndef lint | |
13 | static char *rcsid_sms_query_c = "$Header$"; | |
14 | #endif lint | |
15 | ||
babbc197 | 16 | #include <mit-copyright.h> |
92eb0760 | 17 | #include "sms_private.h" |
18 | ||
83e80378 | 19 | /* |
20 | * This routine is the primary external interface to the sms library. | |
21 | * | |
22 | * It builds a new argument vector with the query handle prepended, | |
23 | * and calls sms_query_internal. | |
24 | */ | |
4bff4d9d | 25 | int level = 0; |
83e80378 | 26 | |
92eb0760 | 27 | int sms_query(name, argc, argv, callproc, callarg) |
83e80378 | 28 | char *name; /* Query name */ |
29 | int argc; /* Arg count */ | |
30 | char **argv; /* Args */ | |
31 | int (*callproc)(); /* Callback procedure */ | |
32 | char *callarg; /* Callback argument */ | |
92eb0760 | 33 | { |
83e80378 | 34 | register char **nargv = (char **)malloc(sizeof(char *) * (argc+1)); |
35 | register int status = 0; | |
36 | nargv[0] = name; | |
37 | bcopy((char *)argv, (char *)(nargv+1), sizeof(char *) * argc); | |
38 | status = sms_query_internal(argc+1, nargv, callproc, callarg); | |
39 | free(nargv); | |
40 | return status; | |
41 | } | |
42 | /* | |
43 | * This routine makes an SMS query. | |
44 | * | |
45 | * argv[0] is the query name. | |
46 | * argv[1..argc-1] are the query arguments. | |
47 | * | |
48 | * callproc is called once for each returned value, with arguments | |
49 | * argc, argv, and callarg. | |
50 | * If it returns a non-zero value, further calls to it are not done, and | |
51 | * all future data from the server is ignored (there should be some | |
52 | * way to send it a quench..) | |
53 | */ | |
92eb0760 | 54 | |
83e80378 | 55 | int sms_query_internal(argc, argv, callproc, callarg) |
56 | int argc; /* Arg count */ | |
57 | char **argv; /* Args */ | |
58 | int (*callproc)(); /* Callback procedure */ | |
59 | char *callarg; /* Callback argument */ | |
60 | { | |
61 | int status; | |
62 | sms_params params_st; | |
63 | register sms_params *params = NULL; | |
64 | sms_params *reply = NULL; | |
65 | int stopcallbacks = 0; | |
4bff4d9d | 66 | |
67 | if (level) return SMS_QUERY_NOT_REENTRANT; | |
83e80378 | 68 | |
69 | CHECK_CONNECTED; | |
d0dbd4ea | 70 | level++; |
92eb0760 | 71 | |
89371417 | 72 | params = ¶ms_st; |
73 | params->sms_version_no = sending_version_no; | |
83e80378 | 74 | params->sms_procno = SMS_QUERY; |
75 | params->sms_argc = argc; | |
76 | params->sms_argl = NULL; | |
77 | params->sms_argv = argv; | |
92eb0760 | 78 | |
83e80378 | 79 | if ((status = sms_do_call(params, &reply))) |
80 | goto punt; | |
92eb0760 | 81 | |
83e80378 | 82 | while ((status = reply->sms_status) == SMS_MORE_DATA) { |
83 | if (!stopcallbacks) | |
84 | stopcallbacks = | |
92eb0760 | 85 | (*callproc)(reply->sms_argc, reply->sms_argv, callarg); |
92eb0760 | 86 | sms_destroy_reply(reply); |
83e80378 | 87 | reply = NULL; |
88 | ||
89 | initialize_operation(_sms_recv_op, sms_start_recv, &reply, | |
90 | (int (*)())NULL); | |
91 | queue_operation(_sms_conn, CON_INPUT, _sms_recv_op); | |
92 | ||
93 | complete_operation(_sms_recv_op); | |
94 | if (OP_STATUS(_sms_recv_op) != OP_COMPLETE) { | |
95 | sms_disconnect(); | |
4bff4d9d | 96 | status = SMS_ABORTED; |
97 | goto punt_1; | |
92eb0760 | 98 | } |
83e80378 | 99 | } |
100 | punt: | |
101 | sms_destroy_reply(reply); | |
4bff4d9d | 102 | punt_1: |
103 | level--; | |
83e80378 | 104 | return status; |
92eb0760 | 105 | } |
83e80378 | 106 | /* |
107 | * Local Variables: | |
108 | * mode: c | |
109 | * c-indent-level: 4 | |
110 | * c-continued-statement-offset: 4 | |
111 | * c-brace-offset: -4 | |
112 | * c-argdecl-indent: 4 | |
113 | * c-label-offset: -4 | |
114 | * End: | |
115 | */ |