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barrier
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Fixed bug in stream buffer that could cause data to be 

inserted out of order.  Also removed unnecessary limit
on writes to the TCP socket.
This commit is contained in:
crs 2002-05-02 11:43:52 +00:00
parent 76269a48c1
commit 5132161e30
2 changed files with 3 additions and 19 deletions
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16
io/CStreamBuffer.cpp
View File

@ -56,13 +56,13 @@ void CStreamBuffer::pop(UInt32 n)
scan = m_chunks.erase(scan);
assert(scan != m_chunks.end());
}
assert(n > 0);
// remove left over bytes from the head chunk
if (n > 0) {
scan->erase(scan->begin(), scan->begin() + n);
}
}
#include "CLog.h"
void CStreamBuffer::write(
const void* vdata, UInt32 n)
{
@ -72,28 +72,19 @@ void CStreamBuffer::write(
if (n == 0) {
return;
}
log((CLOG_DEBUG "### %p buffering %d bytes onto %d bytes", this, n, m_size));
m_size += n;
// cast data to bytes
const UInt8* data = reinterpret_cast<const UInt8*>(vdata);
if (n > 1000)
log((CLOG_DEBUG "### %p src: %u %u %u %u %u %u %u %u", this,
data[0], data[1], data[2], data[3], data[4], data[5], data[6], data[7]));
// point to last chunk if it has space, otherwise append an empty chunk
ChunkList::iterator scan = m_chunks.end();
if (scan != m_chunks.begin()) {
log((CLOG_DEBUG "### %p at least one chunk", this));
--scan;
if (scan->size() >= kChunkSize)
{
log((CLOG_DEBUG "### %p last chunk full", this));
++scan;
}
}
if (scan == m_chunks.end()) {
log((CLOG_DEBUG "### %p append chunk", this));
scan = m_chunks.insert(scan, Chunk());
}
@ -106,7 +97,6 @@ log((CLOG_DEBUG "### %p append chunk", this));
count = n;
// transfer data
log((CLOG_DEBUG "### %p append %d bytes onto last chunk", this, count));
scan->insert(scan->end(), data, data + count);
n -= count;
data += count;
@ -115,7 +105,6 @@ log((CLOG_DEBUG "### %p append %d bytes onto last chunk", this, count));
if (n > 0) {
++scan;
scan = m_chunks.insert(scan, Chunk());
log((CLOG_DEBUG "### %p append chunk2", this));
}
}
}
@ -124,4 +113,3 @@ UInt32 CStreamBuffer::getSize() const
{
return m_size;
}

4
net/CTCPSocket.cpp
View File

@ -211,10 +211,6 @@ void CTCPSocket::ioService()
// get amount of data to write
UInt32 n = m_output->getSize();
if (n > 4096) {
// limit write size
n = 4096;
}
// write data
const void* buffer = m_output->peek(n);