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Fix: assertion failed: tws-api/cpp/suppl/EPosixClientSocket.cpp:412:virtual int EPosixClientSocket::receive(char*, size_t): sz > 0 #12

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Fix: assertion failed: tws-api/cpp/suppl/EPosixClientSocket.cpp:412:virtual int EPosixClientSocket::receive(char*, size_t): sz > 0 #12

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24 changes: 16 additions & 8 deletions cpp/suppl/EReaderST.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -128,15 +128,23 @@ void EReaderST::select_timeout( int msec )
void EReaderST::onReceive()
{
const char * errmsg;
size_t sz = m_buf->size - m_buf->offset;
int nRes = m_pClientSocket->receive(m_buf->begin + m_buf->offset, sz );
if (nRes <= 0) {
errmsg = nRes < 0 ? strerror(errno)
: "The remote host closed the connection.";
goto fail;
if (m_buf->offset == m_buf->size) {
if (resize_read_buf(m_buf, m_buf->size + IN_BLOCK_SIZE) == -1) {
errmsg = strerror(errno);
goto fail;
}
}
{
size_t sz = m_buf->size - m_buf->offset;
int nRes = m_pClientSocket->receive(m_buf->begin + m_buf->offset, sz );
if (nRes <= 0) {
errmsg = nRes < 0 ? strerror(errno)
: "The remote host closed the connection.";
goto fail;
}

m_buf->offset += nRes;
m_buf->offset += nRes;
}

assert(m_pClientSocket->usingV100Plus());
if (readV100Plus() == -1) {
Expand Down Expand Up @@ -229,7 +237,7 @@ int EReaderST::readV100Plus()

/* let the last incomplete message fit into the buffer */
if( msgSize > m_buf->size) {
size_t newsize = IN_BLOCK_SIZE * (1 + msgSize/IN_BLOCK_SIZE);
size_t newsize = IN_BLOCK_SIZE * ((msgSize + IN_BLOCK_SIZE - 1)/IN_BLOCK_SIZE);
if (resize_read_buf(m_buf, newsize) == -1) {
goto fail;
}
Expand Down