int done;
};
+struct tag_state {
+ yajl_gen g;
+ unsigned int yoff;
+ struct tag *results;
+ uint64_t i;
+ int done;
+};
+
int parse_url_info(const char *url, struct url_info *info) {
const char *c;
int len;
return list;
}
+void json_generate_one_record(yajl_gen g, const char *author, struct blerg *b, uint64_t record) {
+ char *data;
+ char number[21];
+ int len;
+
+ if (!blerg_fetch(b, record, &data, &len)) {
+ fprintf(stderr, "Could not fetch record\n");
+ return;
+ }
+
+ yajl_gen_map_open(g);
+ if (author != NULL) {
+ yajl_gen_string(g, "author", 6);
+ yajl_gen_string(g, author, strlen(author));
+ }
+ yajl_gen_string(g, "record", 6);
+ snprintf(number, 21, "%llu", record);
+ yajl_gen_string(g, number, strlen(number));
+ yajl_gen_string(g, "timestamp", 9);
+ yajl_gen_integer(g, blerg_get_timestamp(b, record));
+ yajl_gen_string(g, "data", 4);
+ yajl_gen_string(g, data, len);
+ yajl_gen_map_close(g);
+
+ free(data);
+}
+
ssize_t GET_generate_list(void *cls, uint64_t pos, char *buf, size_t max) {
struct get_state *gs = cls;
const unsigned char *ybuf;
}
/* Snarf one record */
- blerg_fetch(gs->b, gs->entries[gs->i], &data, &len);
-
- yajl_gen_map_open(gs->g);
- yajl_gen_string(gs->g, "record", 6);
- snprintf(number, 21, "%llu", gs->entries[gs->i]);
- yajl_gen_string(gs->g, number, strlen(number));
- yajl_gen_string(gs->g, "timestamp", 9);
- yajl_gen_integer(gs->g, blerg_get_timestamp(gs->b, gs->entries[gs->i]));
- yajl_gen_string(gs->g, "data", 4);
- yajl_gen_string(gs->g, data, len);
- yajl_gen_map_close(gs->g);
+ json_generate_one_record(gs->g, NULL, gs->b, gs->entries[gs->i]);
- free(data);
if (gs->i == 0) {
yajl_gen_array_close(gs->g);
gs->done = 1;
free(gs);
}
+ssize_t GET_generate_taglist(void *cls, uint64_t pos, char *buf, size_t max) {
+ struct tag_state *ts = cls;
+ struct blerg *b;
+ const unsigned char *ybuf;
+ unsigned int len;
+
+ if (ts->yoff > 0) {
+ yajl_gen_get_buf(ts->g, &ybuf, &len);
+ size_t bytes_remaining = len - ts->yoff;
+ if (bytes_remaining > max) {
+ memcpy(buf, ybuf + ts->yoff, max);
+ ts->yoff += max;
+ return max;
+ } else {
+ memcpy(buf, ybuf + ts->yoff, bytes_remaining);
+ ts->yoff = 0;
+ yajl_gen_clear(ts->g);
+ return bytes_remaining;
+ }
+ }
+
+ if (ts->done)
+ return -1;
+
+ if (pos == 0) { /* Start iterating */
+ yajl_gen_array_open(ts->g);
+ }
+
+ /* Snarf one record */
+ b = blerg_open(ts->results[ts->i].author);
+ if (b == NULL)
+ goto skip_bad_blerg;
+
+ json_generate_one_record(ts->g, ts->results[ts->i].author, b, ts->results[ts->i].record);
+
+ blerg_close(b);
+
+skip_bad_blerg:
+ if (ts->i == 0) {
+ yajl_gen_array_close(ts->g);
+ ts->done = 1;
+ }
+
+ ts->i--;
+
+ yajl_gen_get_buf(ts->g, &ybuf, &len);
+ if (len > max) {
+ memcpy(buf, ybuf, max);
+ ts->yoff = max;
+ return max;
+ } else {
+ memcpy(buf, ybuf, len);
+ yajl_gen_clear(ts->g);
+ return len;
+ }
+}
+
+void GET_generate_taglist_free(void *cls) {
+ struct tag_state *ts = cls;
+
+ yajl_gen_free(ts->g);
+ free(ts->results);
+ free(ts);
+}
+
int POST_create_iterator(void *cls, enum MHD_ValueKind kind, const char *key, const char *filename, const char *content_type, const char *transfer_encoding, const char *data, uint64_t off, size_t size) {
struct create_state *cs = cls;
return response;
}
+struct MHD_Response *create_tag_response(struct tag *results, uint64_t len) {
+ struct tag_state *ts = malloc(sizeof(struct tag_state));
+ ts->g = yajl_gen_alloc(&yajl_c, NULL);
+ ts->results = results;
+ ts->i = len - 1;
+ ts->yoff = ts->done = 0;
+
+ return MHD_create_response_from_callback(-1, 262144, &GET_generate_taglist, ts, &GET_generate_taglist_free);
+}
+
static int
ahc_derp (void *cls, struct MHD_Connection *connection, const char *url, const char *method,
const char *version, const char *upload_data, size_t *upload_data_size, void **ptr) {
ret = MHD_queue_response(connection, MHD_HTTP_OK, response);
MHD_destroy_response(response);
+ return ret;
+ } else if (strncmp(url, "/tag", 4) == 0 && strlen(url) > 4) {
+ if (*ptr == NULL) {
+ if (strcmp(method, MHD_HTTP_METHOD_GET) != 0)
+ return respond_405(connection);
+
+ *ptr = (void *) 1;
+ return MHD_YES;
+ }
+
+ if (url[4] != '/')
+ return respond_404(connection);
+
+ ret = parse_url_info(url + 5, &info);
+ if ((ret & URL_INFO_AUTHOR) == 0)
+ return respond_404(connection);
+
+ if (!tag_exists(info.author))
+ return respond_404(connection);
+
+ uint64_t recs = 50;
+ struct tag *taglist = tag_list(info.author, 0, &recs, -1);
+
+ if (recs == 0) {
+ response = MHD_create_response_from_data(2, "[]", MHD_NO, MHD_NO);
+ } else {
+ response = create_tag_response(taglist, recs);
+ }
+
+ if (response == NULL)
+ return respond_JSON_Failure(connection);
+
+ ret = MHD_queue_response(connection, MHD_HTTP_OK, response);
+ MHD_destroy_response(response);
+
return ret;
} else if (strncmp(url, "/put", 4) == 0) {
struct put_state *ps = (struct put_state *) *ptr;