2 * $Id: http_command.c,v 1.8 2006-12-12 02:36:24 quinn Exp $
14 #include <yaz/yaz-util.h>
21 #include "http_command.h"
23 extern struct parameters global_parameters;
24 extern IOCHAN channel_list;
27 IOCHAN timeout_iochan; // NOTE: This is NOT associated with a socket
28 struct session *psession;
31 struct http_session *next;
34 static struct http_session *session_list = 0;
36 void http_session_destroy(struct http_session *s);
38 static void session_timeout(IOCHAN i, int event)
40 struct http_session *s = iochan_getdata(i);
41 http_session_destroy(s);
44 struct http_session *http_session_create()
46 struct http_session *r = xmalloc(sizeof(*r));
47 r->psession = new_session();
50 r->next = session_list;
52 r->timeout_iochan = iochan_create(-1, session_timeout, 0);
53 iochan_setdata(r->timeout_iochan, r);
54 iochan_settimeout(r->timeout_iochan, global_parameters.session_timeout);
55 r->timeout_iochan->next = channel_list;
56 channel_list = r->timeout_iochan;
60 void http_session_destroy(struct http_session *s)
62 struct http_session **p;
64 for (p = &session_list; *p; p = &(*p)->next)
70 iochan_destroy(s->timeout_iochan);
71 destroy_session(s->psession);
75 static void error(struct http_response *rs, char *code, char *msg, char *txt)
77 struct http_channel *c = rs->channel;
82 rs->msg = nmem_strdup(c->nmem, msg);
83 strcpy(rs->code, code);
84 sprintf(tmp, "<error code=\"general\">%s</error>", txt);
85 rs->payload = nmem_strdup(c->nmem, tmp);
86 http_send_response(c);
96 if (gettimeofday(&t, 0) < 0)
99 res = (res << 8) | (seq & 0xff);
103 static struct http_session *locate_session(struct http_request *rq, struct http_response *rs)
105 struct http_session *p;
106 char *session = http_argbyname(rq, "session");
111 error(rs, "417", "Must supply session", 0);
115 for (p = session_list; p; p = p->next)
116 if (id == p->session_id)
118 iochan_activity(p->timeout_iochan);
121 error(rs, "417", "Session does not exist, or it has expired", 0);
125 static void cmd_exit(struct http_channel *c)
127 yaz_log(YLOG_WARN, "exit");
132 static void cmd_init(struct http_channel *c)
136 struct http_session *s = http_session_create();
137 struct http_response *rs = c->response;
139 // FIXME create a pazpar2 session
140 yaz_log(YLOG_DEBUG, "HTTP Session init");
141 sesid = make_sessionid();
142 s->session_id = sesid;
143 sprintf(buf, "<init><status>OK</status><session>%d</session></init>", sesid);
144 rs->payload = nmem_strdup(c->nmem, buf);
145 http_send_response(c);
148 static void cmd_termlist(struct http_channel *c)
150 struct http_response *rs = c->response;
151 struct http_request *rq = c->request;
152 struct http_session *s = locate_session(rq, rs);
153 struct termlist_score **p;
159 wrbuf_rewind(c->wrbuf);
161 wrbuf_puts(c->wrbuf, "<termlist>");
162 p = termlist(s->psession, &len);
164 for (i = 0; i < len; i++)
166 wrbuf_puts(c->wrbuf, "\n<term>");
167 wrbuf_printf(c->wrbuf, "<name>%s</name>", p[i]->term);
168 wrbuf_printf(c->wrbuf, "<frequency>%d</frequency>", p[i]->frequency);
169 wrbuf_puts(c->wrbuf, "</term>");
171 wrbuf_puts(c->wrbuf, "</termlist>");
172 rs->payload = nmem_strdup(rq->channel->nmem, wrbuf_buf(c->wrbuf));
173 http_send_response(c);
177 static void cmd_bytarget(struct http_channel *c)
179 struct http_response *rs = c->response;
180 struct http_request *rq = c->request;
181 struct http_session *s = locate_session(rq, rs);
182 struct hitsbytarget *ht;
187 if (!(ht = hitsbytarget(s->psession, &count)))
189 error(rs, "500", "Failed to retrieve hitcounts", 0);
192 wrbuf_rewind(c->wrbuf);
193 wrbuf_puts(c->wrbuf, "<bytarget><status>OK</status>");
195 for (i = 0; i < count; i++)
197 wrbuf_puts(c->wrbuf, "\n<target>");
198 wrbuf_printf(c->wrbuf, "<id>%s</id>\n", ht[i].id);
199 wrbuf_printf(c->wrbuf, "<hits>%d</hits>\n", ht[i].hits);
200 wrbuf_printf(c->wrbuf, "<diagnostic>%d</diagnostic>\n", ht[i].diagnostic);
201 wrbuf_printf(c->wrbuf, "<records>%d</records>\n", ht[i].records);
202 wrbuf_printf(c->wrbuf, "<state>%s</state>\n", ht[i].state);
203 wrbuf_puts(c->wrbuf, "</target>");
206 wrbuf_puts(c->wrbuf, "</bytarget>");
207 rs->payload = nmem_strdup(c->nmem, wrbuf_buf(c->wrbuf));
208 http_send_response(c);
211 static void cmd_show(struct http_channel *c)
213 struct http_request *rq = c->request;
214 struct http_response *rs = c->response;
215 struct http_session *s = locate_session(rq, rs);
217 char *start = http_argbyname(rq, "start");
218 char *num = http_argbyname(rq, "num");
229 startn = atoi(start);
233 rl = show(s->psession, startn, &numn, &total, &total_hits);
235 wrbuf_rewind(c->wrbuf);
236 wrbuf_puts(c->wrbuf, "<show>\n<status>OK</status>\n");
237 wrbuf_printf(c->wrbuf, "<merged>%d</merged>\n", total);
238 wrbuf_printf(c->wrbuf, "<total>%d</total>\n", total_hits);
239 wrbuf_printf(c->wrbuf, "<start>%d</start>\n", startn);
240 wrbuf_printf(c->wrbuf, "<num>%d</num>\n", numn);
242 for (i = 0; i < numn; i++)
247 wrbuf_puts(c->wrbuf, "<hit>\n");
248 wrbuf_printf(c->wrbuf, "<title>%s</title>\n", rl[i]->title);
249 for (ccount = 1, p = rl[i]->next_cluster; p; p = p->next_cluster, ccount++)
252 wrbuf_printf(c->wrbuf, "<count>%d</count>\n", ccount);
253 wrbuf_puts(c->wrbuf, "</hit>\n");
256 wrbuf_puts(c->wrbuf, "</show>\n");
257 rs->payload = nmem_strdup(c->nmem, wrbuf_buf(c->wrbuf));
258 http_send_response(c);
261 static void cmd_ping(struct http_channel *c)
263 struct http_request *rq = c->request;
264 struct http_response *rs = c->response;
265 struct http_session *s = locate_session(rq, rs);
268 rs->payload = "<ping><status>OK</status></ping>";
269 http_send_response(c);
272 static void cmd_search(struct http_channel *c)
274 struct http_request *rq = c->request;
275 struct http_response *rs = c->response;
276 struct http_session *s = locate_session(rq, rs);
277 char *query = http_argbyname(rq, "query");
284 error(rs, "417", "Must supply query", 0);
287 res = search(s->psession, query);
290 error(rs, "417", res, res);
293 rs->payload = "<search><status>OK</status></search>";
294 http_send_response(c);
298 static void cmd_stat(struct http_channel *c)
300 struct http_request *rq = c->request;
301 struct http_response *rs = c->response;
302 struct http_session *s = locate_session(rq, rs);
303 struct statistics stat;
308 statistics(s->psession, &stat);
310 wrbuf_rewind(c->wrbuf);
311 wrbuf_puts(c->wrbuf, "<stat>");
312 wrbuf_printf(c->wrbuf, "<hits>%d</hits>\n", stat.num_hits);
313 wrbuf_printf(c->wrbuf, "<records>%d</records>\n", stat.num_records);
314 wrbuf_printf(c->wrbuf, "<clients>%d</clients>\n", stat.num_clients);
315 wrbuf_printf(c->wrbuf, "<unconnected>%d</unconnected>\n", stat.num_no_connection);
316 wrbuf_printf(c->wrbuf, "<connecting>%d</connecting>\n", stat.num_connecting);
317 wrbuf_printf(c->wrbuf, "<initializing>%d</initializing>\n", stat.num_initializing);
318 wrbuf_printf(c->wrbuf, "<searching>%d</searching>\n", stat.num_searching);
319 wrbuf_printf(c->wrbuf, "<presenting>%d</presenting>\n", stat.num_presenting);
320 wrbuf_printf(c->wrbuf, "<idle>%d</idle>\n", stat.num_idle);
321 wrbuf_printf(c->wrbuf, "<failed>%d</failed>\n", stat.num_failed);
322 wrbuf_printf(c->wrbuf, "<error>%d</error>\n", stat.num_error);
323 wrbuf_puts(c->wrbuf, "</stat>");
324 rs->payload = nmem_strdup(c->nmem, wrbuf_buf(c->wrbuf));
325 http_send_response(c);
331 void (*fun)(struct http_channel *c);
333 { "init", cmd_init },
334 { "stat", cmd_stat },
335 { "bytarget", cmd_bytarget },
336 { "show", cmd_show },
337 { "search", cmd_search },
338 { "termlist", cmd_termlist },
339 { "exit", cmd_exit },
340 { "ping", cmd_ping },
344 void http_command(struct http_channel *c)
346 char *command = http_argbyname(c->request, "command");
347 struct http_response *rs = http_create_response(c);
353 error(rs, "417", "Must supply command", 0);
356 for (i = 0; commands[i].name; i++)
357 if (!strcmp(commands[i].name, command))
359 (*commands[i].fun)(c);
362 if (!commands[i].name)
363 error(rs, "417", "Unknown command", 0);
371 * indent-tabs-mode: nil
373 * vim: shiftwidth=4 tabstop=8 expandtab