* Sebastian Hammer, Adam Dickmeiss
*
* $Log: yaz-client.cpp,v $
- * Revision 1.3 1999-02-02 14:01:18 adam
+ * Revision 1.5 1999-04-09 11:46:57 adam
+ * Added object Yaz_Z_Assoc. Much more functional client.
+ *
+ * Revision 1.4 1999/03/23 14:17:57 adam
+ * More work on timeout handling. Work on yaz-client.
+ *
+ * Revision 1.3 1999/02/02 14:01:18 adam
* First WIN32 port of YAZ++.
*
* Revision 1.2 1999/01/28 13:08:42 adam
*/
#include <log.h>
+#include <options.h>
#include <yaz-ir-assoc.h>
#include <yaz-pdu-assoc.h>
#include <yaz-socket-manager.h>
+extern "C" {
+#if HAVE_READLINE_READLINE_H
+#include <readline/readline.h>
+#endif
+#if HAVE_READLINE_HISTORY_H
+#include <readline/history.h>
+#endif
+}
+
class YAZ_EXPORT MyClient : public Yaz_IR_Assoc {
+private:
+ int m_interactive_flag;
+ char m_thisCommand[1024];
+ char m_lastCommand[1024];
+ Yaz_SocketManager *m_socketManager;
public:
- MyClient(IYaz_PDU_Observable *the_PDU_Observable);
- void recv_Z_PDU(Z_APDU *apdu);
+ MyClient(IYaz_PDU_Observable *the_PDU_Observable,
+ Yaz_SocketManager *the_SocketManager);
IYaz_PDU_Observer *clone(IYaz_PDU_Observable *the_PDU_Observable);
- void init();
+ int args(Yaz_SocketManager *socketManager, int argc, char **argv);
+ int interactive(Yaz_SocketManager *socketManager);
+ int wait();
+ void recv_initResponse(Z_InitResponse *initResponse);
+ void recv_searchResponse(Z_SearchResponse *searchResponse);
+ int processCommand(const char *cmd);
+ const char *MyClient::getCommand();
+ int cmd_open(char *host);
+ int cmd_quit(char *args);
+ int cmd_close(char *args);
+ int cmd_find(char *args);
};
-void MyClient::recv_Z_PDU(Z_APDU *apdu)
+IYaz_PDU_Observer *MyClient::clone(IYaz_PDU_Observable *the_PDU_Observable)
+{
+ return new MyClient(the_PDU_Observable, m_socketManager);
+}
+
+MyClient::MyClient(IYaz_PDU_Observable *the_PDU_Observable,
+ Yaz_SocketManager *the_socketManager) :
+ Yaz_IR_Assoc (the_PDU_Observable)
+{
+ m_interactive_flag = 1;
+ m_thisCommand[0] = '\0';
+ m_lastCommand[0] = '\0';
+ m_socketManager = the_socketManager;
+}
+
+void usage(char *prog)
+{
+ fprintf (stderr, "%s: [-v log] [-p proxy] [zurl]\n", prog);
+ exit (1);
+}
+
+void MyClient::recv_initResponse(Z_InitResponse *initResponse)
{
- logf (LOG_LOG, "recv_APDU");
- switch (apdu->which)
+ printf ("Got InitResponse. Status ");
+ if (*initResponse->result)
+ printf ("Ok\n");
+ else
+ printf ("Fail\n");
+}
+
+void MyClient::recv_searchResponse(Z_SearchResponse *searchResponse)
+{
+ printf ("Got SearchResponse. Status ");
+ if (!*searchResponse->searchStatus)
{
- case Z_APDU_initResponse:
- logf (LOG_LOG, "got InitResponse");
- break;
- case Z_APDU_searchResponse:
- logf (LOG_LOG, "got searchResponse");
- break;
+ printf ("Fail\n");
+ return;
}
+ printf ("Ok\n");
+ printf ("Hits: %d\n", *searchResponse->resultCount);
}
-IYaz_PDU_Observer *MyClient::clone(IYaz_PDU_Observable *the_PDU_Observable)
+int MyClient::wait()
+{
+ set_lastReceived(0);
+ while (m_socketManager->processEvent() > 0)
+ {
+ if (get_lastReceived())
+ return 1;
+ }
+ return 0;
+}
+
+#define C_PROMPT "Z>"
+
+int MyClient::cmd_open(char *host)
{
- return new MyClient(the_PDU_Observable);
+ client (host);
+ if (send_initRequest() >= 0)
+ wait();
+ else
+ close();
+ return 1;
}
-MyClient::MyClient(IYaz_PDU_Observable *the_PDU_Observable) :
- Yaz_IR_Assoc (the_PDU_Observable)
+int MyClient::cmd_quit(char *args)
{
+ return 0;
}
-void MyClient::init()
+int MyClient::cmd_close(char *args)
{
- Z_APDU *apdu = create_Z_PDU(Z_APDU_initRequest);
- Z_InitRequest *req = apdu->u.initRequest;
+ close();
+ return 1;
+}
+
+int MyClient::cmd_find(char *args)
+{
+ Yaz_Z_Query query;
+
+ if (query.set_rpn(args) <= 0)
+ {
+ printf ("Bad RPN query\n");
+ return 1;
+ }
+ if (send_searchRequest(&query) >= 0)
+ wait();
+ return 1;
+}
+
+int MyClient::processCommand(const char *commandLine)
+{
+ char cmdStr[1024], cmdArgs[1024];
+ cmdArgs[0] = '\0';
+ cmdStr[0] = '\0';
+ static struct {
+ char *cmd;
+ int (MyClient::*fun)(char *arg);
+ char *ad;
+ } cmd[] = {
+ {"open", &cmd_open, "('tcp'|'osi')':'[<tsel>'/']<host>[':'<port>]"},
+ {"quit", &cmd_quit, ""},
+ {"close", &cmd_close, ""},
+ {"find", &cmd_find, ""},
+ {0,0,0}
+ };
+
+ if (sscanf(commandLine, "%s %[^;]", cmdStr, cmdArgs) < 1)
+ return 1;
+ int i;
+ for (i = 0; cmd[i].cmd; i++)
+ if (!strncmp(cmd[i].cmd, cmdStr, strlen(cmdStr)))
+ break;
- ODR_MASK_SET(req->options, Z_Options_search);
- ODR_MASK_SET(req->options, Z_Options_present);
- ODR_MASK_SET(req->options, Z_Options_namedResultSets);
- ODR_MASK_SET(req->options, Z_Options_triggerResourceCtrl);
- ODR_MASK_SET(req->options, Z_Options_scan);
- ODR_MASK_SET(req->options, Z_Options_sort);
- ODR_MASK_SET(req->options, Z_Options_extendedServices);
- ODR_MASK_SET(req->options, Z_Options_delSet);
+ int res = 1;
+ if (cmd[i].cmd) // Invoke command handler
+ res = (this->*cmd[i].fun)(cmdArgs);
+ else // Dump help screen
+ {
+ printf("Unknown command: %s.\n", cmdStr);
+ printf("Currently recognized commands:\n");
+ for (i = 0; cmd[i].cmd; i++)
+ printf(" %s %s\n", cmd[i].cmd, cmd[i].ad);
+ }
+ return res;
+}
+
+const char *MyClient::getCommand()
+{
+#if HAVE_READLINE_READLINE_H
+ // Read using GNU readline
+ char *line_in;
+ line_in=readline(C_PROMPT);
+ if (!line_in)
+ return 0;
+#if HAVE_READLINE_HISTORY_H
+ if (*line_in)
+ add_history(line_in);
+#endif
+ strncpy(m_thisCommand,line_in, 1023);
+ m_thisCommand[1023] = '\0';
+ free (line_in);
+#else
+ // Read using fgets(3)
+ printf (C_PROMPT);
+ fflush(stdout);
+ if (!fgets(m_thisCommand, 1023, stdin))
+ return 0;
+#endif
+ // Remove trailing whitespace
+ char *cp = m_thisCommand + strlen(m_thisCommand);
+ while (cp != m_thisCommand && strchr("\t \n", cp[-1]))
+ cp--;
+ *cp = '\0';
+ cp = m_thisCommand;
+ // Remove leading spaces...
+ while (strchr ("\t \n", *cp))
+ cp++;
+ // Save command if non-empty
+ if (*cp != '\0')
+ strcpy (m_lastCommand, cp);
+ return m_lastCommand;
+}
+
+int MyClient::interactive(Yaz_SocketManager *socketManager)
+{
+ const char *cmd;
+ if (!m_interactive_flag)
+ return 0;
+ while ((cmd = getCommand()))
+ {
+ if (!processCommand(cmd))
+ break;
+ }
+ return 0;
+}
- ODR_MASK_SET(req->protocolVersion, Z_ProtocolVersion_1);
- ODR_MASK_SET(req->protocolVersion, Z_ProtocolVersion_2);
- ODR_MASK_SET(req->protocolVersion, Z_ProtocolVersion_3);
+int MyClient::args(Yaz_SocketManager *socketManager, int argc, char **argv)
+{
+ char *host = 0;
+ char *proxy = 0;
+ char *arg;
+ char *prog = argv[0];
+ int ret;
- send_Z_PDU(apdu);
+ while ((ret = options("p:v:q", argv, argc, &arg)) != -2)
+ {
+ switch (ret)
+ {
+ case 0:
+ if (host)
+ {
+ usage(prog);
+ return 1;
+ }
+ host = arg;
+ break;
+ case 'p':
+ if (proxy)
+ {
+ usage(prog);
+ return 1;
+ }
+ set_proxy(arg);
+ break;
+ case 'v':
+ log_init_level (log_mask_str(arg));
+ break;
+ case 'q':
+ m_interactive_flag = 0;
+ break;
+ default:
+ usage(prog);
+ return 1;
+ }
+ }
+ if (host)
+ {
+ client (host);
+ send_initRequest();
+ wait ();
+ }
+ return 0;
}
int main(int argc, char **argv)
Yaz_SocketManager mySocketManager;
Yaz_PDU_Assoc *some = new Yaz_PDU_Assoc(&mySocketManager, 0);
- MyClient z(some);
+ MyClient z(some, &mySocketManager);
- z.client(argc < 2 ? "localhost:9999" : argv[1]);
- z.init();
- while (mySocketManager.processEvent() > 0)
- ;
- return 0;
+ if (z.args(&mySocketManager, argc, argv))
+ exit (1);
+ if (z.interactive(&mySocketManager))
+ exit (1);
}