+/*
+ * Copyright (c) 1995, Index Data.
+ * See the file LICENSE for details.
+ * Sebastian Hammer, Adam Dickmeiss
+ *
+ * $Log: client.c,v $
+ * Revision 1.1 1995-05-22 11:30:31 quinn
+ * Added prettier client.
+ *
+ *
+ */
+
+/*
+ * This is the obligatory little toy client, whose primary purpose is
+ * to illustrate the use of the YAZ service-level API.
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <sys/time.h>
+#include <assert.h>
+
+#include <comstack.h>
+#include <tcpip.h>
+#ifdef USE_XTIMOSI
+#include <xmosi.h>
+#endif
+
+#include <proto.h>
+#include <oid.h>
+
+#include <marcdisp.h>
+#include <yaz-ccl.h>
+#include "../version.h"
+
+#define C_PROMPT "Z> "
+
+static ODR out, in, print; /* encoding and decoding streams */
+static COMSTACK conn = 0; /* our z-association */
+static Z_IdAuthentication *auth = 0; /* our current auth definition */
+static char database[512] = "Default"; /* Database name */
+static int setnumber = 0; /* current result set number */
+static int smallSetUpperBound = 0;
+static int largeSetLowerBound = 1;
+static int mediumSetPresentNumber = 0;
+static int setno = 1; /* current set offset */
+static int protocol = PROTO_Z3950; /* current app protocol */
+static CCL_bibset bibset; /* CCL bibset handle */
+
+static void send_apdu(Z_APDU *a)
+{
+ char *buf;
+ int len;
+
+ if (!z_APDU(out, &a, 0))
+ {
+ odr_perror(out, "Encoding APDU");
+ exit(1);
+ }
+ buf = odr_getbuf(out, &len, 0);
+ odr_reset(out); /* release the APDU */
+ if (cs_put(conn, buf, len) < 0)
+ {
+ fprintf(stderr, "cs_put: %s", cs_errlist[cs_errno(conn)]);
+ exit(1);
+ }
+}
+
+/* INIT SERVICE ------------------------------- */
+
+static void send_initRequest()
+{
+ Z_APDU *apdu = zget_APDU(out, Z_APDU_initRequest);
+ Z_InitRequest *req = apdu->u.initRequest;
+
+ ODR_MASK_SET(req->options, Z_Options_search);
+ ODR_MASK_SET(req->options, Z_Options_present);
+
+ ODR_MASK_SET(req->protocolVersion, 0);
+ ODR_MASK_SET(req->protocolVersion, 1);
+ ODR_MASK_SET(req->protocolVersion, 2);
+
+ req->idAuthentication = auth;
+
+ send_apdu(apdu);
+ printf("Sent initrequest.\n");
+}
+
+static int process_initResponse(Z_InitResponse *res)
+{
+ if (!*res->result)
+ printf("Connection rejected by target.\n");
+ else
+ printf("Connection accepted by target.\n");
+ if (res->implementationId)
+ printf("ID : %s\n", res->implementationId);
+ if (res->implementationName)
+ printf("Name : %s\n", res->implementationName);
+ if (res->implementationVersion)
+ printf("Version: %s\n", res->implementationVersion);
+ if (res->userInformationField)
+ {
+ printf("UserInformationfield:\n");
+ if (!odr_external(print, (Odr_external**)&res-> userInformationField,
+ 0))
+ {
+ odr_perror(print, "Printing userinfo\n");
+ odr_reset(print);
+ }
+ if (res->userInformationField->which == ODR_EXTERNAL_octet)
+ {
+ printf("Guessing visiblestring:\n");
+ printf("'%s'\n", res->userInformationField->u. octet_aligned->buf);
+ }
+ }
+ return 0;
+}
+
+int cmd_open(char *arg)
+{
+ void *add;
+ char type[100], addr[100];
+ CS_TYPE t;
+
+ if (conn)
+ {
+ printf("Already connected.\n");
+ return 0;
+ }
+ if (!*arg || sscanf(arg, "%[^:]:%s", type, addr) < 2)
+ {
+ fprintf(stderr, "Usage: open (osi|tcp) ':' [tsel '/']host[':'port]\n");
+ return 0;
+ }
+#ifdef USE_XTIMOSI
+ if (!strcmp(type, "osi"))
+ {
+ if (!(add = mosi_strtoaddr(addr)))
+ {
+ perror(arg);
+ return 0;
+ }
+ t = mosi_type;
+ protocol = PROTO_SR;
+ }
+ else
+#endif
+ if (!strcmp(type, "tcp"))
+ {
+ if (!(add = tcpip_strtoaddr(addr)))
+ {
+ perror(arg);
+ return 0;
+ }
+ t = tcpip_type;
+ protocol = PROTO_Z3950;
+ }
+ else
+ {
+ fprintf(stderr, "Bad type: %s\n", type);
+ return 0;
+ }
+ if (!(conn = cs_create(t, 1, CS_Z3950)))
+ {
+ perror("cs_create");
+ return 0;
+ }
+ printf("Connecting...");
+ fflush(stdout);
+ if (cs_connect(conn, add) < 0)
+ {
+ perror("connect");
+ cs_close(conn);
+ conn = 0;
+ return 0;
+ }
+ printf("Ok!\n");
+ send_initRequest();
+ return 2;
+}
+
+int cmd_authentication(char *arg)
+{
+ static Z_IdAuthentication au;
+ static char open[256];
+
+ if (!*arg)
+ {
+ printf("Auth field set to null\n");
+ auth = 0;
+ return 1;
+ }
+ auth = &au;
+ au.which = Z_IdAuthentication_open;
+ au.u.open = open;
+ strcpy(open, arg);
+ return 1;
+}
+
+/* SEARCH SERVICE ------------------------------ */
+
+void display_record(Z_DatabaseRecord *p)
+{
+ Odr_external *r = (Odr_external*) p;
+
+ if (r->direct_reference)
+ {
+ oident *ent = oid_getentbyoid(r->direct_reference);
+
+ printf("Record type: ");
+ if (ent)
+ printf("%s\n", ent->desc);
+ else if (!odr_oid(print, &r->direct_reference, 0))
+ {
+ odr_perror(print, "print oid");
+ odr_reset(print);
+ }
+ }
+#if 1
+ if (r->which == ODR_EXTERNAL_octet && p->u.octet_aligned->len)
+ {
+#if 1
+ marc_display ((char*)p->u.octet_aligned->buf, stdout);
+#else
+ FILE *ofi = fopen("dump", "a");
+ assert(ofi);
+ fwrite(p->u.octet_aligned->buf, 1, p->u.octet_aligned->len, ofi);
+ fclose(ofi);
+ printf("dumped record\n");
+#endif
+ }
+ else
+ {
+ printf("Unknown record representation.\n");
+ if (!odr_external(print, &r, 0))
+ {
+ odr_perror(print, "Printing external");
+ odr_reset(print);
+ }
+ }
+#endif
+}
+
+static void display_diagrec(Z_DiagRec *p)
+{
+ oident *ent;
+
+ printf("Diagnostic message from database.\n");
+ if (!(ent = oid_getentbyoid(p->diagnosticSetId)) ||
+ ent->class != CLASS_DIAGSET || ent->value != VAL_BIB1)
+ printf("Missing or unknown diagset\n");
+ printf("Error condition: %d", *p->condition);
+ printf(" -- %s\n", p->addinfo ? p->addinfo : "");
+}
+
+static void display_nameplusrecord(Z_NamePlusRecord *p)
+{
+ if (p->databaseName)
+ printf("[%s]", p->databaseName);
+ if (p->which == Z_NamePlusRecord_surrogateDiagnostic)
+ display_diagrec(p->u.surrogateDiagnostic);
+ else
+ display_record(p->u.databaseRecord);
+}
+
+static void display_records(Z_Records *p)
+{
+ int i;
+
+ if (p->which == Z_Records_NSD)
+ display_diagrec(p->u.nonSurrogateDiagnostic);
+ else
+ {
+ printf("Records: %d\n", p->u.databaseOrSurDiagnostics->num_records);
+ for (i = 0; i < p->u.databaseOrSurDiagnostics->num_records; i++)
+ display_nameplusrecord(p->u.databaseOrSurDiagnostics->records[i]);
+ }
+}
+
+static int send_searchRequest(char *arg)
+{
+ Z_APDU *apdu = zget_APDU(out, Z_APDU_searchRequest);
+ Z_SearchRequest *req = apdu->u.searchRequest;
+ char *databaseNames = database;
+ Z_Query query;
+ int error, pos;
+ char setstring[100];
+ Z_RPNQuery *RPNquery;
+ oident bib1;
+ struct ccl_rpn_node *rpn;
+#ifndef RPN_QUERY
+ Odr_oct ccl_query;
+#endif
+
+#ifdef RPN_QUERY
+ rpn = ccl_find_str(bibset, arg, &error, &pos);
+ if (error)
+ {
+ printf("CCL ERROR: %s\n", ccl_err_msg(error));
+ return 0;
+ }
+#endif
+
+ if (!strcmp(arg, "@big")) /* strictly for troublemaking */
+ {
+ static unsigned char big[2100];
+ static Odr_oct bigo;
+
+ /* send a very big referenceid to test transport stack etc. */
+ memset(big, 'A', 2100);
+ bigo.len = bigo.size = 2100;
+ bigo.buf = big;
+ req->referenceId = &bigo;
+ }
+
+ if (setnumber >= 0)
+ {
+ sprintf(setstring, "%d", ++setnumber);
+ req->resultSetName = setstring;
+ }
+ *req->smallSetUpperBound = smallSetUpperBound;
+ *req->largeSetLowerBound = largeSetLowerBound;
+ *req->mediumSetPresentNumber = mediumSetPresentNumber;
+ req->num_databaseNames = 1;
+ req->databaseNames = &databaseNames;
+
+ req->query = &query;
+
+#ifdef RPN_QUERY
+ query.which = Z_Query_type_1;
+ assert((RPNquery = ccl_rpn_query(rpn)));
+ bib1.proto = protocol;
+ bib1.class = CLASS_ATTSET;
+ bib1.value = VAL_BIB1;
+ RPNquery->attributeSetId = oid_getoidbyent(&bib1);
+ query.u.type_1 = RPNquery;
+#else
+ query.which = Z_Query_type_2;
+ query.u.type_2 = &ccl_query;
+ ccl_query.buf = (unsigned char*) arg;
+ ccl_query.len = strlen(arg);
+#endif
+
+ send_apdu(apdu);
+ setno = 1;
+ printf("Sent searchRequest.\n");
+ return 2;
+}
+
+static int process_searchResponse(Z_SearchResponse *res)
+{
+ if (res->searchStatus)
+ printf("Search was a success.\n");
+ else
+ printf("Search was a bloomin' failure.\n");
+ printf("Number of hits: %d, setno %d\n",
+ *res->resultCount, setnumber);
+ printf("records returned: %d\n",
+ *res->numberOfRecordsReturned);
+ setno += *res->numberOfRecordsReturned;
+ if (res->records)
+ display_records(res->records);
+ return 0;
+}
+
+static int cmd_find(char *arg)
+{
+ if (!*arg)
+ {
+ printf("Find what?\n");
+ return 0;
+ }
+ if (!conn)
+ {
+ printf("Not connected yet\n");
+ return 0;
+ }
+ if (!send_searchRequest(arg))
+ return 0;
+ return 2;
+}
+
+static int cmd_ssub(char *arg)
+{
+ if (!(smallSetUpperBound = atoi(arg)))
+ return 0;
+ return 1;
+}
+
+static int cmd_lslb(char *arg)
+{
+ if (!(largeSetLowerBound = atoi(arg)))
+ return 0;
+ return 1;
+}
+
+static int cmd_mspn(char *arg)
+{
+ if (!(mediumSetPresentNumber = atoi(arg)))
+ return 0;
+ return 1;
+}
+
+static int cmd_status(char *arg)
+{
+ printf("smallSetUpperBound: %d\n", smallSetUpperBound);
+ printf("largeSetLowerBound: %d\n", largeSetLowerBound);
+ printf("mediumSetPresentNumber: %d\n", mediumSetPresentNumber);
+ return 1;
+}
+
+static int cmd_base(char *arg)
+{
+ if (!*arg)
+ {
+ printf("Usage: base <database>\n");
+ return 0;
+ }
+ strcpy(database, arg);
+ return 1;
+}
+
+static int cmd_setnames(char *arg)
+{
+ if (setnumber < 0)
+ {
+ printf("Set numbering enabled.\n");
+ setnumber = 0;
+ }
+ else
+ {
+ printf("Set numbering disabled.\n");
+ setnumber = -1;
+ }
+ return 2;
+}
+
+/* PRESENT SERVICE ----------------------------- */
+
+static int send_presentRequest(char *arg)
+{
+ Z_APDU *apdu = zget_APDU(out, Z_APDU_presentRequest);
+ Z_PresentRequest *req = apdu->u.presentRequest;
+ int nos = 1;
+ char *p;
+ char setstring[100];
+
+ if ((p = strchr(arg, '+')))
+ {
+ nos = atoi(p + 1);
+ *p = 0;
+ }
+ if (*arg)
+ setno = atoi(arg);
+
+ if (setnumber >= 0)
+ {
+ sprintf(setstring, "%d", setnumber);
+ req->resultSetId = setstring;
+ }
+ req->resultSetStartPoint = &setno;
+ req->numberOfRecordsRequested = &nos;
+ send_apdu(apdu);
+ printf("Sent presentRequest (%d+%d).\n", setno, nos);
+ return 2;
+}
+
+static int cmd_show(char *arg)
+{
+ if (!send_presentRequest(arg))
+ return 0;
+ return 2;
+}
+
+int cmd_quit(char *arg)
+{
+ printf("See you later, alligator.\n");
+ exit(0);
+}
+
+static void initialize(void)
+{
+ FILE *inf;
+
+ if (!(out = odr_createmem(ODR_ENCODE)) ||
+ !(in = odr_createmem(ODR_DECODE)) ||
+ !(print = odr_createmem(ODR_PRINT)))
+ {
+ fprintf(stderr, "failed to allocate ODR streams\n");
+ exit(1);
+ }
+ setvbuf(stdout, 0, _IONBF, 0);
+
+ bibset = ccl_qual_mk ();
+ inf = fopen ("default.bib", "r");
+ if (inf)
+ {
+ ccl_qual_file (bibset, inf);
+ fclose (inf);
+ }
+}
+
+static int client(void)
+{
+ static struct {
+ char *cmd;
+ int (*fun)(char *arg);
+ char *ad;
+ } cmd[] = {
+ {"open", cmd_open, "('tcp'|'osi')':'[<TSEL>'/']<HOST>[':'<PORT>]"},
+ {"quit", cmd_quit, ""},
+ {"find", cmd_find, "<CCL-QUERY>"},
+ {"base", cmd_base, "<BASE-NAME>"},
+ {"show", cmd_show, "<REC#>['+'<#RECS>]"},
+ {"authentication", cmd_authentication, "<ACCTSTRING>"},
+ {"lslb", cmd_lslb, "<largeSetLowerBound>"},
+ {"ssub", cmd_ssub, "<smallSetUpperBound>"},
+ {"mspn", cmd_mspn, "<mediumSetPresentNumber>"},
+ {"status", cmd_status, ""},
+ {"setnames", cmd_setnames, ""},
+ {0,0}
+ };
+ char *netbuffer= 0;
+ int netbufferlen = 0;
+ int i;
+ Z_APDU *apdu;
+
+ printf(C_PROMPT);
+ while (1)
+ {
+ int res;
+ fd_set input;
+ char line[1024], word[1024], arg[1024];
+
+ FD_ZERO(&input);
+ FD_SET(0, &input);
+ if (conn)
+ FD_SET(cs_fileno(conn), &input);
+ if ((res = select(20, &input, 0, 0, 0)) < 0)
+ {
+ perror("select");
+ exit(1);
+ }
+ if (!res)
+ continue;
+ if (FD_ISSET(0, &input))
+ {
+ /* quick & dirty way to get a command line. */
+ if (!gets(line))
+ break;
+ if ((res = sscanf(line, "%s %[^;]", word, arg)) <= 0)
+ {
+ printf(C_PROMPT);
+ continue;
+ }
+ if (res == 1)
+ *arg = 0;
+ for (i = 0; cmd[i].cmd; i++)
+ if (!strncmp(cmd[i].cmd, word, strlen(word)))
+ {
+ res = (*cmd[i].fun)(arg);
+ break;
+ }
+ if (!cmd[i].cmd) /* dump our help-screen */
+ {
+ printf("Unknown command: %s.\n", word);
+ printf("Currently recognized commands:\n");
+ for (i = 0; cmd[i].cmd; i++)
+ printf(" %s %s\n", cmd[i].cmd, cmd[i].ad);
+ res = 1;
+ }
+ if (res < 2)
+ printf(C_PROMPT);
+ }
+ if (conn && FD_ISSET(cs_fileno(conn), &input))
+ {
+ do
+ {
+ if ((res = cs_get(conn, &netbuffer, &netbufferlen)) < 0)
+ {
+ perror("cs_get");
+ exit(1);
+ }
+ if (!res)
+ {
+ printf("Target closed connection.\n");
+ exit(1);
+ }
+ odr_reset(in); /* release APDU from last round */
+ odr_setbuf(in, netbuffer, res, 0);
+ if (!z_APDU(in, &apdu, 0))
+ {
+ odr_perror(in, "Decoding incoming APDU");
+ exit(1);
+ }
+#if 0
+ if (!z_APDU(print, &apdu, 0))
+ {
+ odr_perror(print, "Failed to print incoming APDU");
+ odr_reset(print);
+ continue;
+ }
+#endif
+ switch(apdu->which)
+ {
+ case Z_APDU_initResponse:
+ process_initResponse(apdu->u.initResponse);
+ break;
+ case Z_APDU_searchResponse:
+ process_searchResponse(apdu->u.searchResponse);
+ break;
+ case Z_APDU_presentResponse:
+ printf("Received presentResponse.\n");
+ setno +=
+ *apdu->u.presentResponse->numberOfRecordsReturned;
+ if (apdu->u.presentResponse->records)
+ display_records(apdu->u.presentResponse->records);
+ else
+ printf("No records.\n");
+ break;
+ default:
+ printf("Received unknown APDU type (%d).\n",
+ apdu->which);
+ exit(1);
+ }
+ printf("Z> ");
+ fflush(stdout);
+ }
+ while (cs_more(conn));
+ }
+ }
+ return 0;
+}
+
+int main(int argc, char **argv)
+{
+ initialize();
+ if (argc > 1)
+ cmd_open(argv[1]);
+ return client();
+}
projects / yaz-moved-to-github.git / commitdiff