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DS-3651 configurable buffer

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This commit is contained in:
frederic
2017-11-06 15:31:46 +01:00
committed by Tom Desair
parent db54bc12f2
commit 34e6676129
2 changed files with 27 additions and 18 deletions
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43
dspace-spring-rest/src/main/java/org/dspace/app/rest/utils/MultipartFileSender.java
View File

@@ -56,8 +56,8 @@ public class MultipartFileSender {
private static final String CONTENT_DISPOSITION_FORMAT = "%s;filename=\"%s\"";
private static final String BYTES_DINVALID_BYTE_RANGE_FORMAT = "bytes */%d";
private static final String CACHE_CONTROL = "Cache-Control";
private static int DEFAULT_BUFFER_SIZE = 1000000; // ..bytes = 20KB.
private static final long DEFAULT_EXPIRE_TIME = 60L * 60L * 1000L; // ..ms = 1 week.
private static int DEFAULT_BUFFER_SIZE = 1000000;
private static final long DEFAULT_EXPIRE_TIME = 60L * 60L * 1000L;
//no-cache so request is always performed for logging
private static final String CACHE_CONTROL_SETTING = "private, no-cache";
@@ -74,7 +74,16 @@ public class MultipartFileSender {
ConfigurationService configurationService = DSpaceServicesFactory.getInstance().getConfigurationService();
String bufferSize = configurationService.getProperty("bitstream-download.buffer.size");
if (StringUtils.isNotEmpty(bufferSize)) {
DEFAULT_BUFFER_SIZE = Integer.parseInt(bufferSize);
try {
int configuredBufferSize = Integer.parseInt(bufferSize);
if (configuredBufferSize > 0) {
DEFAULT_BUFFER_SIZE = configuredBufferSize;
} else {
log.debug("bitstream buffer size configured as < 0, using default");
}
} catch (NumberFormatException e) {
log.error("bitstream-download.buffer.size property wrongly configured, this should be a positive integer");
}
}
}
@@ -119,11 +128,11 @@ public class MultipartFileSender {
return;
}
// if (!Files.exists(filepath)) {
// logger.error("File doesn't exist at URI : {}", filepath.toAbsolutePath().toString());
// response.sendError(HttpServletResponse.SC_NOT_FOUND);
// return;
// }
if (inputStream == null) {
log.error("Bitstream has no content");
response.sendError(HttpServletResponse.SC_NOT_FOUND);
return;
}
Long length = bitstream.getSizeBytes();
String fileName = bitstream.getName();
@@ -136,12 +145,12 @@ public class MultipartFileSender {
// Validate request headers for caching ---------------------------------------------------
// If-None-Match header should contain "*" or ETag. If so, then return 304.
String ifNoneMatch = request.getHeader(IF_NONE_MATCH);
// if (nonNull(ifNoneMatch) && matches(ifNoneMatch, bitstream.getCheckSum().getValue())) {
// log.error("If-None-Match header should contain \"*\" or ETag. If so, then return 304.");
// response.setHeader(ETAG, bitstream.getCheckSum().getValue()); // Required in 304.
// response.sendError(HttpServletResponse.SC_NOT_MODIFIED);
// return;
// }
if (nonNull(ifNoneMatch) && matches(ifNoneMatch, bitstream.getCheckSum().getValue())) {
log.error("If-None-Match header should contain \"*\" or ETag. If so, then return 304.");
response.setHeader(ETAG, bitstream.getCheckSum().getValue()); // Required in 304.
response.sendError(HttpServletResponse.SC_NOT_MODIFIED);
return;
}
// If-Modified-Since header should be greater than LastModified. If so, then return 304.
// This header is ignored if any If-None-Match header is specified.
@@ -241,8 +250,8 @@ public class MultipartFileSender {
response.setDateHeader(LAST_MODIFIED, lastModified);
response.setDateHeader(EXPIRES, System.currentTimeMillis() + DEFAULT_EXPIRE_TIME);
//TODO what does this mean
response.setHeader(CACHE_CONTROL, "private, no-cache");
//No-cache so that we can log every download
response.setHeader(CACHE_CONTROL, CACHE_CONTROL_SETTING);
if (isNullOrEmpty(disposition)) {
@@ -344,7 +353,7 @@ public class MultipartFileSender {
public Range(long start, long end, long total) {
this.start = start;
// if (end <= start + DEFAULT_BUFFER_SIZE) {
this.end = end;
this.end = end;
// } else {
// this.end = Math.min(start + DEFAULT_BUFFER_SIZE, total - 1);
// }

2
dspace/config/dspace.cfg
View File

@@ -1962,7 +1962,7 @@ mail.helpdesk = ${mail.admin}
# Should all Request Copy emails go to the helpdesk instead of the item submitter?
request.item.helpdesk.override = false
#bitstream-download.buffer.size = 1000000
bitstream-download.buffer.size = 1000