moparisthebest/minetest
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When server sends late media, log to errorstream instead of crashing.

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Do a check for valid num_files before doing
assert(!m_mesh_update_thread.IsRunning());

In particular, don't execute the assertion if all media has already
been received.
This commit is contained in:
Kahrl 2013-06-13 03:05:47 +02:00
parent 07715b1b6a
commit b3001bcd6e
1 changed files with 24 additions and 9 deletions
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33
src/client.cpp
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@ -797,7 +797,8 @@ void Client::step(float dtime)
all_stopped &= !(*thread)->IsRunning(); all_stopped &= !(*thread)->IsRunning();
while (!(*thread)->m_file_data.empty()) { while (!(*thread)->m_file_data.empty()) {
std::pair <std::string, std::string> out = (*thread)->m_file_data.pop_front(); std::pair <std::string, std::string> out = (*thread)->m_file_data.pop_front();
++m_media_received_count; if(m_media_received_count < m_media_count)
m_media_received_count++;
bool success = loadMedia(out.second, out.first); bool success = loadMedia(out.second, out.first);
if(success){ if(success){
@ -1731,15 +1732,9 @@ void Client::ProcessData(u8 *data, u32 datasize, u16 sender_peer_id)
} }
else if(command == TOCLIENT_MEDIA) else if(command == TOCLIENT_MEDIA)
{ {
if (m_media_count == 0)
return;
std::string datastring((char*)&data[2], datasize-2); std::string datastring((char*)&data[2], datasize-2);
std::istringstream is(datastring, std::ios_base::binary); std::istringstream is(datastring, std::ios_base::binary);
// Mesh update thread must be stopped while
// updating content definitions
assert(!m_mesh_update_thread.IsRunning());
/* /*
u16 command u16 command
u16 total number of file bunches u16 total number of file bunches
@ -1754,11 +1749,31 @@ void Client::ProcessData(u8 *data, u32 datasize, u16 sender_peer_id)
*/ */
int num_bunches = readU16(is); int num_bunches = readU16(is);
int bunch_i = readU16(is); int bunch_i = readU16(is);
int num_files = readU32(is); u32 num_files = readU32(is);
infostream<<"Client: Received files: bunch "<<bunch_i<<"/" infostream<<"Client: Received files: bunch "<<bunch_i<<"/"
<<num_bunches<<" files="<<num_files <<num_bunches<<" files="<<num_files
<<" size="<<datasize<<std::endl; <<" size="<<datasize<<std::endl;
for(int i=0; i<num_files; i++){
// Check total and received media count
assert(m_media_received_count <= m_media_count);
if (num_files > m_media_count - m_media_received_count) {
errorstream<<"Client: Received more files than requested:"
<<" total count="<<m_media_count
<<" total received="<<m_media_received_count
<<" bunch "<<bunch_i<<"/"<<num_bunches
<<" files="<<num_files
<<" size="<<datasize<<std::endl;
num_files = m_media_count - m_media_received_count;
}
if (num_files == 0)
return;
// Mesh update thread must be stopped while
// updating content definitions
assert(!m_mesh_update_thread.IsRunning());
for(u32 i=0; i<num_files; i++){
assert(m_media_received_count < m_media_count);
m_media_received_count++; m_media_received_count++;
std::string name = deSerializeString(is); std::string name = deSerializeString(is);
std::string data = deSerializeLongString(is); std::string data = deSerializeLongString(is);