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authorRafael H. Schloming <rhs@apache.org>2006-09-19 22:06:50 +0000
committerRafael H. Schloming <rhs@apache.org>2006-09-19 22:06:50 +0000
commit913489deb2ee9dbf44455de5f407ddaf4bd8c540 (patch)
tree7ea442d6867d0076f1c9ea4f4265664059e7aff5 /cpp/common/framing/src/Buffer.cpp
downloadqpid-python-913489deb2ee9dbf44455de5f407ddaf4bd8c540.tar.gz
Import of qpid from etp:
URL: https://etp.108.redhat.com/svn/etp/trunk/blaze Repository Root: https://etp.108.redhat.com/svn/etp Repository UUID: 06e15bec-b515-0410-bef0-cc27a458cf48 Revision: 608 git-svn-id: https://svn.apache.org/repos/asf/incubator/qpid/trunk/qpid@447994 13f79535-47bb-0310-9956-ffa450edef68
Diffstat (limited to 'cpp/common/framing/src/Buffer.cpp')
-rw-r--r--cpp/common/framing/src/Buffer.cpp167
1 files changed, 167 insertions, 0 deletions
diff --git a/cpp/common/framing/src/Buffer.cpp b/cpp/common/framing/src/Buffer.cpp
new file mode 100644
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+++ b/cpp/common/framing/src/Buffer.cpp
@@ -0,0 +1,167 @@
+/*
+ *
+ * Copyright (c) 2006 The Apache Software Foundation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ */
+#include "Buffer.h"
+
+qpid::framing::Buffer::Buffer(int _size) : size(_size), position(0), limit(_size){
+ data = new char[size];
+}
+
+qpid::framing::Buffer::~Buffer(){
+ delete[] data;
+}
+
+void qpid::framing::Buffer::flip(){
+ limit = position;
+ position = 0;
+}
+
+void qpid::framing::Buffer::clear(){
+ limit = size;
+ position = 0;
+}
+
+void qpid::framing::Buffer::compact(){
+ int p = limit - position;
+ //copy p chars from position to 0
+ memmove(data, data + position, p);
+ limit = size;
+ position = p;
+}
+
+void qpid::framing::Buffer::record(){
+ r_position = position;
+ r_limit = limit;
+}
+
+void qpid::framing::Buffer::restore(){
+ position = r_position;
+ limit = r_limit;
+}
+
+int qpid::framing::Buffer::available(){
+ return limit - position;
+}
+
+char* qpid::framing::Buffer::start(){
+ return data + position;
+}
+
+void qpid::framing::Buffer::move(int bytes){
+ position += bytes;
+}
+
+void qpid::framing::Buffer::putOctet(u_int8_t i){
+ data[position++] = i;
+}
+
+void qpid::framing::Buffer::putShort(u_int16_t i){
+ u_int16_t b = i;
+ data[position++] = (u_int8_t) (0xFF & (b >> 8));
+ data[position++] = (u_int8_t) (0xFF & b);
+}
+
+void qpid::framing::Buffer::putLong(u_int32_t i){
+ u_int32_t b = i;
+ data[position++] = (u_int8_t) (0xFF & (b >> 24));
+ data[position++] = (u_int8_t) (0xFF & (b >> 16));
+ data[position++] = (u_int8_t) (0xFF & (b >> 8));
+ data[position++] = (u_int8_t) (0xFF & b);
+}
+
+void qpid::framing::Buffer::putLongLong(u_int64_t i){
+ u_int32_t hi = i >> 32;
+ u_int32_t lo = i;
+ putLong(hi);
+ putLong(lo);
+}
+
+u_int8_t qpid::framing::Buffer::getOctet(){
+ return (u_int8_t) data[position++];
+}
+
+u_int16_t qpid::framing::Buffer::getShort(){
+ u_int16_t hi = (unsigned char) data[position++];
+ hi = hi << 8;
+ hi |= (unsigned char) data[position++];
+ return hi;
+}
+
+u_int32_t qpid::framing::Buffer::getLong(){
+ u_int32_t a = (unsigned char) data[position++];
+ u_int32_t b = (unsigned char) data[position++];
+ u_int32_t c = (unsigned char) data[position++];
+ u_int32_t d = (unsigned char) data[position++];
+ a = a << 24;
+ a |= b << 16;
+ a |= c << 8;
+ a |= d;
+ return a;
+}
+
+u_int64_t qpid::framing::Buffer::getLongLong(){
+ u_int64_t hi = getLong();
+ u_int64_t lo = getLong();
+ hi = hi << 32;
+ return hi | lo;
+}
+
+
+void qpid::framing::Buffer::putShortString(const string& s){
+ u_int8_t size = s.length();
+ putOctet(size);
+ s.copy(data + position, size);
+ position += size;
+}
+
+void qpid::framing::Buffer::putLongString(const string& s){
+ u_int32_t size = s.length();
+ putLong(size);
+ s.copy(data + position, size);
+ position += size;
+}
+
+void qpid::framing::Buffer::getShortString(string& s){
+ u_int8_t size = getOctet();
+ s.assign(data + position, size);
+ position += size;
+}
+
+void qpid::framing::Buffer::getLongString(string& s){
+ u_int32_t size = getLong();
+ s.assign(data + position, size);
+ position += size;
+}
+
+void qpid::framing::Buffer::putFieldTable(const FieldTable& t){
+ t.encode(*this);
+}
+
+void qpid::framing::Buffer::getFieldTable(FieldTable& t){
+ t.decode(*this);
+}
+
+void qpid::framing::Buffer::putRawData(const string& s){
+ u_int32_t size = s.length();
+ s.copy(data + position, size);
+ position += size;
+}
+
+void qpid::framing::Buffer::getRawData(string& s, u_int32_t size){
+ s.assign(data + position, size);
+ position += size;
+}