* Europagate, 1995
*
* $Log: urp.c,v $
- * Revision 1.3 1995/02/16 18:35:09 adam
+ * Revision 1.8 1995/02/21 12:12:00 adam
+ * Diagnostic record with error info. observed.
+ *
+ * Revision 1.7 1995/02/20 21:16:20 adam
+ * FML support. Bug fixes. Profile for drewdb.
+ *
+ * Revision 1.6 1995/02/17 14:41:14 quinn
+ * Added simple display of records.
+ *
+ * Revision 1.5 1995/02/17 14:22:13 adam
+ * First steps of CCL show command. Not finished yet.
+ *
+ * Revision 1.4 1995/02/17 09:08:36 adam
+ * Reply with subject. CCL base command implemented.
+ *
+ * Revision 1.3 1995/02/16 18:35:09 adam
* First use of Zdist library. Search requests are supported.
* Present requests are not supported yet.
*
#include <assert.h>
#include <ctype.h>
#include <string.h>
+#include <unistd.h>
#include "kernel.h"
v = gw_res_get (info.kernel_res, "gw.description", NULL);
if (v)
fprintf (reply_fd, "%s\n", v);
- fprintf (reply_fd, "%s %s:%d\n %s\n",
- gw_res_get (info.kernel_res, "gw.msg.databases",
- "Available databases on"),
- info.hostname, info.port, info.databases);
+ fprintf (reply_fd, "%s %s:%d\n",
+ gw_res_get (info.kernel_res, "gw.msg.connect",
+ "Connection established to"),
+ info.hostname, info.port);
+ if (*info.databases)
+ fprintf (reply_fd, "%s:\n%s\n",
+ gw_res_get (info.kernel_res, "gw.msg.databases",
+ "Available databases"),
+ info.databases);
return 0;
}
return NULL;
}
-static int email_header (FILE *inf, char *from_str)
+static int email_header (FILE *inf, char *from_str, char *subject_str)
{
*from_str = '\0';
+ *subject_str = '\0';
while (fgets (line_buf, LINE_MAX, inf))
{
if (line_buf[0] == '\n')
return 0;
if (strncmp (line_buf, "From ", 5) == 0)
sscanf (line_buf+4, "%s", from_str);
+ if (strncmp (line_buf, "Subject: ", 9) == 0 &&
+ sscanf (line_buf+9, "%s", subject_str+1) == 1)
+ strcpy (subject_str, line_buf+9);
}
return 1;
}
if (!info.zass)
return -2;
+ if (!*info.databases)
+ {
+ fprintf (reply_fd, "%s\n",
+ gw_res_get (info.kernel_res, "gw.err.no.database",
+ "You must select database"));
+ return -3;
+ }
+ gw_log (GW_LOG_DEBUG, "urp", "Searching in database %s",
+ info.databases);
p = zass_search (info.zass, rpn, "Default", info.databases);
if (!p)
return -1;
- fprintf (reply_fd, "%d %s\n", p->num,
- gw_res_get (info.kernel_res, "gw.msg.hits", "hit(s)"));
if (p->errcode != -1)
fprintf (reply_fd, "%s %d: %s\n",
gw_res_get (info.kernel_res, "gw.msg.z39errcode",
"Z39.50 error code"),
p->errcode, p->errstring);
+ else
+ fprintf (reply_fd, "%d %s\n", p->num,
+ gw_res_get (info.kernel_res, "gw.msg.hits", "hit(s)"));
return 0;
}
static int exec_target (struct ccl_token *list)
{
+ int len;
if (list->kind == CCL_TOK_EOL)
return -1;
- memcpy (info.target, list->name, list->len);
- info.target [list->len] = '\0';
+ len = list->len;
+ memcpy (info.target, list->name, len);
+ info.target [len] = '\0';
read_kernel_res ();
return reopen_target ();
}
+static int exec_base (struct ccl_token *list)
+{
+ struct ccl_token *li = list;
+ int len = 0;
+
+ if (list->kind == CCL_TOK_EOL)
+ return -1;
+ free (info.databases);
+ while (li->kind != CCL_TOK_EOL)
+ {
+ len += li->len + 1;
+ li = li->next;
+ if (li->kind == CCL_TOK_COMMA)
+ li = li->next;
+ }
+ info.databases = malloc (len);
+ assert (info.databases);
+ len = 0;
+ li = list;
+ while (li->kind != CCL_TOK_EOL)
+ {
+ memcpy (info.databases+len, li->name, li->len);
+ len += li->len;
+ info.databases[len++] = ',';
+ li = li->next;
+ if (li->kind == CCL_TOK_COMMA)
+ li = li->next;
+ }
+ info.databases[len-1] = '\0';
+ return 0;
+}
+
+struct command_word show_tab [] =
+{
+{ "f", "format"},
+{ "p", "position"},
+{ NULL, NULL }
+};
+
+static int exec_show (struct ccl_token *list)
+{
+ const struct zass_presentent *zp;
+ char num_str[20];
+ struct ccl_token *set_token = NULL;
+ struct ccl_token *format_token = NULL;
+ struct ccl_token *li = list;
+
+ if (list->kind == CCL_TOK_EOL)
+ return -1;
+ if (!info.zass)
+ return -2;
+ while (li->kind != CCL_TOK_EOL)
+ {
+ int modifier_no = 0;
+ if (li->next->kind == CCL_TOK_EQ)
+ {
+ if (li->kind == CCL_TOK_SET) /* set = <name> ? */
+ {
+ li = li->next->next;
+ set_token = li;
+ }
+ else
+ {
+ modifier_no = command_search (show_tab, li, "ccl.token.");
+ if (!modifier_no)
+ {
+ fprintf (reply_fd, "Unknown modifier in show\n");
+ return -1;
+ }
+ li = li->next->next;
+ if (modifier_no == 1) /* f = <name> ? */
+ format_token = li;
+ else if (modifier_no == 2) /* p = <name> ? */
+ {
+ if (li->kind != CCL_TOK_EOL /* p = <name> - <name> ? */
+ && li->next->kind == CCL_TOK_MINUS
+ && li->next->next != CCL_TOK_EOL)
+ li = li->next->next;
+ }
+ }
+ li = li->next;
+ }
+ else
+ li = li->next;
+ }
+ if (set_token)
+ gw_log (GW_LOG_DEBUG, "urp", "Got set=%.*s", set_token->len,
+ set_token->name);
+ if (format_token)
+ gw_log (GW_LOG_DEBUG, "urp", "Got format=%.*s", format_token->len,
+ format_token->name);
+
+ li = list;
+ while (li->kind != CCL_TOK_EOL)
+ {
+ int modifier_no = 0;
+ int offset = 0;
+ int number = 0;
+ int len;
+ if (li->next->kind == CCL_TOK_EQ && li->kind != CCL_TOK_SET)
+ {
+ modifier_no = command_search (show_tab, li, "ccl.token.");
+ li = li->next->next;
+ if (modifier_no == 2) /* p = <name> ? */
+ {
+ if (li->kind != CCL_TOK_EOL /* p = <name> - <name> ? */
+ && li->next->kind == CCL_TOK_MINUS
+ && li->next->next != CCL_TOK_EOL)
+ {
+ len = li->len;
+ memcpy (num_str, li->name, len);
+ num_str [len] = '\0';
+ offset = atoi (num_str);
+ li = li->next->next;
+
+ len = li->len;
+ memcpy (num_str, li->name, len);
+ num_str [len] = '\0';
+ number = atoi (num_str) - offset + 1;
+ }
+ else
+ {
+ len = li->len;
+ memcpy (num_str, li->name, len);
+ num_str [len] = '\0';
+ offset = atoi (num_str);
+ number = 1;
+ }
+ }
+ li = li->next;
+ }
+ else
+ {
+ len = li->len;
+ memcpy (num_str, li->name, len);
+ num_str[len] = '\0';
+ number = atoi (num_str);
+ offset = 1;
+ li = li->next;
+ }
+ if (offset > 0 && number > 0)
+ {
+ if (set_token)
+ {
+ len = set_token->len;
+ memcpy (num_str, set_token->name, len);
+ num_str[len] = '\0';
+ }
+ else
+ strcpy (num_str, "Default");
+ gw_log (GW_LOG_DEBUG, "urp", "zass_present of %d records from"
+ " offset %d in set %s", number, offset, num_str);
+ zp = zass_present(info.zass, num_str, offset, number);
+ if (zp)
+ {
+ int i;
+ zass_record *pp;
+
+ fprintf (reply_fd, gw_res_get (info.kernel_res,
+ "gw.msg.records",
+ "Got %d records"),
+ zp->num);
+ fprintf (reply_fd, "\n");
+ for (i = 0, pp = zp->records; pp; pp = pp->next, i++)
+ {
+ Iso2709Rec rec;
+#if USE_FML
+ const char *arg_ar[5];
+#endif
+ fprintf (reply_fd, "--- %d/%d ---\n",
+ i+offset, offset+zp->num);
+ if (pp->which == ZASS_REC_DIAG)
+ {
+ fprintf (reply_fd, "Record error %d: %s\n",
+ pp->errcode, pp->errstring);
+ continue;
+ }
+ else if (pp->which != ZASS_REC_USMARC)
+ {
+ fprintf (reply_fd, "Unknown record kind %d\n",
+ pp->which);
+ continue;
+ }
+ rec = iso2709_cvt (pp->record);
+#if USE_FML
+ if (format_token)
+ {
+ len = format_token->len;
+ memcpy (num_str, format_token->name, len);
+ num_str[len] = '\0';
+ }
+ if (format_token &&
+ (!strcmp (num_str, "0") || !strcmp (num_str, "1")))
+ {
+ arg_ar[0] = "\\f";
+ arg_ar[1] = num_str;
+ arg_ar[2] = " \\list";
+ arg_ar[3] = marc_to_str (info.fml, rec);
+ arg_ar[4] = NULL;
+ fml_exec_call_argv (info.fml, arg_ar);
+ }
+ else
+ iso2709_display (rec, reply_fd);
+#else
+ iso2709_display (rec, reply_fd);
+#endif
+ iso2709_rm (rec);
+ }
+ }
+ }
+ }
+#if 0
+ len = list->len;
+ memcpy (num_str, list->name, len);
+ num_str[len] = '\0';
+
+ num = atoi (num_str);
+ if (!num)
+ return -3;
+ gw_log (GW_LOG_DEBUG, "urp", "zass_present of %d records", num);
+ zp = zass_present(info.zass, "Default", 1, num);
+ if (zp)
+ {
+ int i;
+ zass_record *pp;
+
+ fprintf (reply_fd, gw_res_get (info.kernel_res,
+ "gw.msg.records", "Got %d records"),
+ zp->num);
+ fprintf (reply_fd, "\n");
+ for (i = 1, pp = zp->records; pp; pp = pp->next, i++)
+ {
+#if USE_FML
+ const char *arg_ar[3];
+#endif
+ Iso2709Rec rec = iso2709_cvt (pp->record);
+
+ fprintf (reply_fd, "--- %d/%d ---\n", i, zp->num);
+#if USE_FML
+ arg_ar[0] = "\\f0 \\list";
+ arg_ar[1] = marc_to_str (info.fml, rec);
+ arg_ar[2] = NULL;
+ fml_exec_call_argv (info.fml, arg_ar);
+#else
+ iso2709_display (rec, reply_fd);
+#endif
+ iso2709_rm (rec);
+ }
+ }
+#endif
+ return 0;
+}
+
static int exec_command (const char *str)
{
struct ccl_token *cmd = ccl_tokenize (str);
{
case 1:
return exec_find (cmd->next);
- break;
+ case 2:
+ return exec_show (cmd->next);
+ case 3:
+ return exec_base (cmd->next);
case 9:
return exec_target (cmd->next);
- break;
default:
fprintf (reply_fd, "%s\n",
gw_res_get (info.kernel_res, "gw.err.unimplemented",
}
else
{
+ fprintf (reply_fd, "\n> %s", str);
fprintf (reply_fd, " ^ %s\n",
gw_res_get (info.kernel_res, "gw.err.unknown.command",
"unknown command"));
int urp (FILE *inf)
{
char from_str[128];
+ char subject_str[128];
int command_no = 0;
char *reply_fname = NULL;
- if (email_header (inf, from_str))
+ if (email_header (inf, from_str, subject_str))
{
gw_log (GW_LOG_WARN, "urp", "No message body");
return -1;
reply_fname);
return -1;
}
+ fprintf (reply_fd, "Subject: ");
+ if (*subject_str)
+ fprintf (reply_fd, "Z39.50 Re: %s", subject_str);
+ else
+ fprintf (reply_fd, "%s\n", gw_res_get (info.kernel_res,
+ "gw.msg.subject",
+ "Your Query"));
+ fprintf (reply_fd, "\n");
}
else
gw_log (GW_LOG_WARN, "urp", "No From in email header");
ccl_token_and = gw_res_get (info.kernel_res, "ccl.token.and", "and");
ccl_token_or = gw_res_get (info.kernel_res, "ccl.token.or", "or");
ccl_token_not = gw_res_get (info.kernel_res, "ccl.token.not", "not");
- ccl_token_set = gw_res_get (info.kernel_res, "ccl.token.set", "set");
+ ccl_token_set = gw_res_get (info.kernel_res, "ccl.token.set", "set");
if (isalpha (line_buf[0]))
exec_command (line_buf);
command_no++;
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