void test_bson_cursor_get_int32 (void) { bson *b; bson_cursor *c; gint d = 12345; ok (bson_cursor_get_int32 (NULL, &d) == FALSE, "bson_cursor_get_int32() with a NULL cursor fails"); b = test_bson_generate_full (); c = bson_cursor_new (b); ok (bson_cursor_get_int32 (c, NULL) == FALSE, "bson_cursor_get_int32() with a NULL destination fails"); ok (bson_cursor_get_int32 (c, &d) == FALSE, "bson_cursor_get_int32() at the initial position fails"); cmp_ok (d, "==", 12345, "destination remains unchanged after failed cursor operations"); bson_cursor_free (c); c = bson_find (b, "int32"); ok (bson_cursor_get_int32 (c, &d), "bson_cursor_get_int32() works"); cmp_ok (d, "==", 32, "bson_cursor_get_int32() returns the correct result"); bson_cursor_next (c); ok (bson_cursor_get_int32 (c, &d) == FALSE, "bson_cursor_get_int32() should fail when the cursor points to " "non-int32 data"); bson_cursor_free (c); bson_free (b); }
int ej_bson_parse_int( struct _bson_cursor *bc, const unsigned char *field_name, int *p_value, int check_low, int low_value, int check_high, int high_value) { if (bson_cursor_type(bc) != BSON_TYPE_INT32) { err("parse_bson_int: int32 field type expected for '%s'", field_name); return -1; } int value = 0; if (!bson_cursor_get_int32(bc, &value)) { err("parse_bson_int: failed to fetch int32 value of '%s'", field_name); return -1; } if ((check_low > 0 && value < low_value) || (check_high > 0 && value >= high_value)) { err("parse_bson_int: invalid value of '%s': %d", field_name, value); return -1; } *p_value = value; return 1; }
static void do_query (mongo_sync_connection *conn) { mongo_sync_cursor *c; bson *query; gchar *error = NULL; query = bson_build (BSON_TYPE_TIMESTAMP, "processed", 1294860709000, BSON_TYPE_NONE); bson_finish (query); c = mongo_sync_cursor_new (conn, "blahblah.plurals", mongo_sync_cmd_query (conn, "blahblah.plurals", 0, 0, 10, query, NULL)); if (!c) { fprintf (stderr, "Error creating the query cursor: %s\n", strerror (errno)); exit (1); } bson_free (query); while (mongo_sync_cursor_next (c)) { bson *b = mongo_sync_cursor_get_data (c); bson_cursor *bc; gint32 w_t; gint64 w_i; if (!b) { int e = errno; mongo_sync_cmd_get_last_error (conn, "blahblah.plurals", &error); fprintf (stderr, "Error retrieving cursor data: %s\n", (error) ? error : strerror (e)); exit (1); } bc = bson_find (b, "word_type"); bson_cursor_get_int32 (bc, &w_t); printf ("\rWord type: %d\n", w_t); bc = bson_find (b, "word_id"); bson_cursor_get_int64 (bc, &w_i); printf ("\rWord id: %d\n", (int)w_i); bson_cursor_free (bc); bson_free (b); } printf ("\n"); mongo_sync_cursor_free (c); }
static void do_query (mongo_sync_connection *conn) { mongo_sync_cursor *c; bson *query; gchar *error = NULL; query = bson_build (BSON_TYPE_STRING, "tutorial-program", "tut_hl_client.c", -1, BSON_TYPE_NONE); bson_finish (query); c = mongo_sync_cursor_new (conn, "lmc.tutorial", mongo_sync_cmd_query (conn, "lmc.tutorial", 0, 0, 10, query, NULL)); if (!c) { fprintf (stderr, "Error creating the query cursor: %s\n", strerror (errno)); exit (1); } bson_free (query); while (mongo_sync_cursor_next (c)) { bson *b = mongo_sync_cursor_get_data (c); bson_cursor *bc; gint32 cnt; if (!b) { int e = errno; mongo_sync_cmd_get_last_error (conn, "lmc", &error); fprintf (stderr, "Error retrieving cursor data: %s\n", (error) ? error : strerror (e)); exit (1); } bc = bson_find (b, "counter"); bson_cursor_get_int32 (bc, &cnt); printf ("\rCounter: %d", cnt); bson_cursor_free (bc); bson_free (b); } printf ("\n"); mongo_sync_cursor_free (c); }
void mongo_gridfs_list (config_t *config) { mongo_sync_cursor *cursor; mongo_sync_gridfs *gfs; gfs = mongo_gridfs_connect (config); cursor = mongo_sync_gridfs_list (gfs, NULL); while (mongo_sync_cursor_next (cursor)) { bson *meta = mongo_sync_cursor_get_data (cursor); bson_cursor *c; const guint8 oid[12]; gint32 i32, chunk_size; gint64 length, date; const gchar *md5, *filename = NULL; gchar *oid_s; c = bson_find (meta, "_id"); if (!bson_cursor_get_oid (c, (const guint8 **)&oid)) mongo_gridfs_error (errno); bson_cursor_find (c, "length"); if (!bson_cursor_get_int32 (c, &i32)) { if (!bson_cursor_get_int64 (c, &length)) mongo_gridfs_error (errno); } else length = i32; bson_cursor_find (c, "chunkSize"); if (!bson_cursor_get_int32 (c, &chunk_size)) mongo_gridfs_error (errno); bson_cursor_find (c, "uploadDate"); if (!bson_cursor_get_utc_datetime (c, &date)) mongo_gridfs_error (errno); bson_cursor_find (c, "md5"); if (!bson_cursor_get_string (c, &md5)) mongo_gridfs_error (errno); bson_cursor_find (c, "filename"); bson_cursor_get_string (c, &filename); bson_cursor_free (c); oid_s = mongo_util_oid_as_string (oid); printf ("{ _id: ObjectID(\"%s\"), length: %" G_GINT64_FORMAT ", chunkSize: %i, uploadDate: %" G_GINT64_FORMAT ", md5: \"%s\"", oid_s, length, chunk_size, date, md5); g_free (oid_s); if (filename) printf (", filename: \"%s\"", filename); printf (" }\n"); if (config->verbose) { c = bson_cursor_new (meta); printf ("\tExtra metadata: [ "); while (bson_cursor_next (c)) { if (strcmp (bson_cursor_key (c), "_id") && strcmp (bson_cursor_key (c), "length") && strcmp (bson_cursor_key (c), "chunkSize") && strcmp (bson_cursor_key (c), "uploadDate") && strcmp (bson_cursor_key (c), "md5") && strcmp (bson_cursor_key (c), "filename")) { printf ("%s (%s), ", bson_cursor_key (c), bson_cursor_type_as_string (c)); } } bson_cursor_free (c); printf ("]\n"); } } mongo_sync_gridfs_free (gfs, TRUE); }
void tut_sync_query_complex (void) { mongo_sync_connection *conn; mongo_packet *p; mongo_sync_cursor *cursor; bson *query, *select; gint i = 0; conn = mongo_sync_connect ("localhost", 27017, FALSE); if (!conn) { perror ("mongo_sync_connect()"); exit (1); } query = bson_build_full (BSON_TYPE_DOCUMENT, "$query", TRUE, bson_build (BSON_TYPE_BOOLEAN, "yes?", FALSE, BSON_TYPE_NONE), BSON_TYPE_DOCUMENT, "$orderby", TRUE, bson_build (BSON_TYPE_INT32, "n", 1, BSON_TYPE_NONE), BSON_TYPE_NONE); bson_finish (query); select = bson_build (BSON_TYPE_INT32, "hello", 1, BSON_TYPE_INT32, "n", 1, BSON_TYPE_INT32, "yes?", 1, BSON_TYPE_NONE); bson_finish (select); p = mongo_sync_cmd_query (conn, "tutorial.docs", 0, 0, 10, query, select); if (!p) { perror ("mongo_sync_cmd_query()"); exit (1); } bson_free (query); bson_free (select); cursor = mongo_sync_cursor_new (conn, "tutorial.docs", p); if (!cursor) { perror ("mongo_sync_cursor_new()"); exit (1); } while (mongo_sync_cursor_next (cursor)) { const char *hello; gint32 n; gboolean yes; bson *result; bson_cursor *c; result = mongo_sync_cursor_get_data (cursor); if (!result) { perror ("mongo_sync_cursor_get_data()"); exit (1); } c = bson_find (result, "hello"); if (!bson_cursor_get_string (c, &hello)) { perror ("bson_cursor_get_string()"); exit (1); } bson_cursor_free (c); c = bson_find (result, "n"); if (!bson_cursor_get_int32 (c, &n)) { perror ("bson_cursor_get_int32()"); exit (1); } bson_cursor_free (c); c = bson_find (result, "yes?"); if (!bson_cursor_get_boolean (c, &yes)) { perror ("bson_cursor_get_boolean()"); exit (1); } bson_cursor_free (c); printf ("Document #%d: hello=%s; n=%d; yes?=%s\n", i, hello, n, (yes) ? "TRUE" : "FALSE"); bson_free (result); i++; } mongo_sync_cursor_free (cursor); mongo_sync_disconnect (conn); }
void ej_bson_unparse( FILE *out, const struct _bson *b, int is_array) { if (!b) { fprintf(out, "NULL"); return; } if (is_array) { fprintf(out, "[ "); } else { fprintf(out, "{ "); } bson_cursor *cursor = bson_cursor_new(b); int first = 1; while (bson_cursor_next(cursor)) { if (!first) fprintf(out, ", "); if (!is_array) { fprintf(out, "%s : ", bson_cursor_key(cursor)); } bson_type t = bson_cursor_type(cursor); switch (t) { case BSON_TYPE_DOUBLE: break; case BSON_TYPE_STRING: { const char *value = NULL; if (bson_cursor_get_string(cursor, &value)) { fprintf(out, "\"%s\"", value); } } break; case BSON_TYPE_DOCUMENT: { bson *doc = NULL; if (bson_cursor_get_document(cursor, &doc)) { ej_bson_unparse(out, doc, 0); bson_free(doc); } } break; case BSON_TYPE_ARRAY: { bson *doc = NULL; if (bson_cursor_get_array(cursor, &doc)) { ej_bson_unparse(out, doc, 1); bson_free(doc); } } break; case BSON_TYPE_BINARY: { bson_binary_subtype bt = 0; const unsigned char *bd = NULL; int bz = 0; if (bson_cursor_get_binary(cursor, &bt, &bd, &bz) && bt == BSON_BINARY_SUBTYPE_UUID && bz == sizeof(ej_uuid_t)) { ej_uuid_t value; memcpy(&value, bd, sizeof(value)); fprintf(out, "\"%s\"", ej_uuid_unparse(&value, NULL)); } } break; case BSON_TYPE_OID: case BSON_TYPE_BOOLEAN: break; case BSON_TYPE_UTC_DATETIME: { gint64 ts = 0; if (bson_cursor_get_utc_datetime(cursor, &ts)) { time_t tt = (time_t) (ts / 1000); int ms = (int) (ts % 1000); struct tm *ptm = gmtime(&tt); fprintf(out, "\"%d/%02d/%02d %02d:%02d:%02d.%04d\"", ptm->tm_year + 1900, ptm->tm_mon + 1, ptm->tm_mday, ptm->tm_hour, ptm->tm_min, ptm->tm_sec, ms); } } break; case BSON_TYPE_NULL: break; case BSON_TYPE_INT32: { int value = 0; if (bson_cursor_get_int32(cursor, &value)) { fprintf(out, "%d", value); } } break; case BSON_TYPE_INT64: { gint64 value = 0; if (bson_cursor_get_int64(cursor, &value)) { fprintf(out, "%lld", (long long) value); } } break; default: break; } first = 0; } bson_cursor_free(cursor); cursor = NULL; if (is_array) { fprintf(out, " ]"); } else { fprintf(out, " }"); } }