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bwauth: check and use compression serving bw file
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@ -1449,14 +1449,28 @@ handle_get_next_bandwidth(dir_connection_t *conn,
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(void)args;
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log_debug(LD_DIR, "Getting next bandwidth.");
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const or_options_t *options = get_options();
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const compress_method_t compress_method =
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find_best_compression_method(args->compression_supported, 1);
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if (options->V3BandwidthsFile) {
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int lifetime = 60;
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char *bandwidth = read_file_to_str(options->V3BandwidthsFile,
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RFTS_IGNORE_MISSING, NULL);
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if (bandwidth != NULL) {
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site_t len = strlen(bandwidth);
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write_http_response_header(conn, len, NO_METHOD, lifetime);
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connection_buf_add(bandwidth, len, TO_CONN(conn));
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ssize_t len = strlen(bandwidth);
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write_http_response_header(conn, compress_method != NO_METHOD ? -1 : len,
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compress_method, BANDWIDTH_CACHE_LIFETIME);
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if (compress_method != NO_METHOD) {
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conn->compress_state = tor_compress_new(1, compress_method,
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choose_compression_level(len/2));
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log_debug(LD_DIR, "Compressing bandwidth file.");
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connection_buf_add_compress(bandwidth, len, conn, 0);
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/* Flush the compression state. */
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connection_buf_add_compress("", 0, conn, 1);
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} else {
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log_debug(LD_DIR, "Not compressing bandwidth file.");
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connection_buf_add(bandwidth, len, TO_CONN(conn));
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}
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tor_free(bandwidth);
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return 0;
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}
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