void download_p2p(int sockfd){
int count;
char bufferFST[4];
count = recv(sockfd, bufferFST, 4, MSG_PEEK);
if(count == -1)
perror("Recv with error");
google::protobuf::uint32 pkg_size = readHdr(bufferFST);
int byteCount;
file::File request_file;
char buffer[pkg_size + HDR_SIZE];
if( ( byteCount = recv(sockfd, (void *)buffer, pkg_size + HDR_SIZE, MSG_WAITALL) ) == -1 ){
perror("Error recviving data");
}
google::protobuf::io::ArrayInputStream ais(buffer, pkg_size + HDR_SIZE);
google::protobuf::io::CodedInputStream coded_input(&ais);
coded_input.ReadVarint32(&pkg_size);
google::protobuf::io::CodedInputStream::Limit msgLimit = coded_input.PushLimit(pkg_size);
request_file.ParseFromCodedStream(&coded_input);
for(auto it=file_sets.begin(); it!=file_sets.end(); ++it){
if( it-> first == request_file.file_name() && !it->second.empty() ){
sendCheck(sockfd, true);
send_download_info(sockfd, it->second);
return;
}
}
sendCheck(sockfd, false);
return;
}
void delete_account(int sockfd){
int count;
char bufferFST[4];
count = recv(sockfd, bufferFST, 4, MSG_PEEK);
if(count == -1)
perror("Recv with error");
login::DeleteInfo info = readDeleteInfo(sockfd, readHdr(bufferFST) );
std::cout << info.DebugString();
Data::Data newInfo;
newInfo.set_id( info.id() );
newInfo.set_password( info.passwd() );
for(int i=0; i<loginData.logindata_size(); ++i){
if( loginData.logindata(i).id() == newInfo.id() &&
loginData.logindata(i).password() == newInfo.password() ){
loginData.mutable_logindata(i)->set_id("");
loginData.mutable_logindata(i)->set_password("");
loginData.mutable_logindata(i)->set_online(false);
sendCheck(sockfd, true);
update();
}
}
sendCheck(sockfd, false);
return;
}
void logout(int sockfd, std::map<std::string, std::set<std::string> > &file_sets){
//recv logout info
int count;
char bufferFST[4];
count = recv(sockfd, bufferFST, 4, MSG_PEEK);
if(count == -1)
perror("Recv with error");
login::Login login = readLogin(sockfd, readHdr(bufferFST) );
//std::cout << login.DebugString();
//check id and password
Data::Data newLogin;
newLogin.set_id( login.id() );
newLogin.set_password( login.passwd() );
for(int i=0; i<loginData.logindata_size(); ++i){
if( loginData.logindata(i).id() == newLogin.id() &&
loginData.logindata(i).password() == newLogin.password() ){
sendCheck(sockfd, true);
tm* ptr_now;
time_t loc_now = 0;
time(&loc_now);
std::string id = loginData.logindata(i).id();
loginData.mutable_logindata(i)->set_online(false);
ptr_now = localtime(&loc_now);
printf("%s[%d:%d:%d] : [%s] logout %s\n", ANSI_COLOR_RED
, ptr_now->tm_hour, ptr_now->tm_min, ptr_now->tm_sec, id.c_str(), ANSI_COLOR_RESET);
logout_update(sockfd, file_sets, login.id());
return;
}
}
return;
}
bool fileHandler::readFile(){
FILE *fp;
if ((fp = fopen(mPath.c_str(), "rb+")) == NULL)
{
fprintf(stderr, "Can't open:<%s>\n", mPath);
return false;
}
bool res = false;
switch (mType){
case img:
res = readImg(fp);
break;
case hdr:
readHdr(fp);
res = true;
break;
default:
std::cerr << "not supported file type!" << std::endl;
break;
}
fclose(fp);
return res;
}
void regist_check(int sockfd){
//recv regist
int count;
char bufferFST[4];
count = recv(sockfd, bufferFST, 4, MSG_PEEK);
if(count == -1)
perror("Recv with error");
google::protobuf::uint32 size = readHdr(bufferFST);
int byteCount;
regist::Regist regist;
char buffer[size + HDR_SIZE];
if( ( byteCount = recv(sockfd, (void *)buffer, size + HDR_SIZE, MSG_WAITALL) ) == -1 ){
perror("Error recviving data");
}
google::protobuf::io::ArrayInputStream ais(buffer, size + HDR_SIZE);
google::protobuf::io::CodedInputStream coded_input(&ais);
coded_input.ReadVarint32(&size);
google::protobuf::io::CodedInputStream::Limit msgLimit = coded_input.PushLimit(size);
regist.ParseFromCodedStream(&coded_input);
coded_input.PopLimit(msgLimit);
//std::cout << regist.DebugString();
//check id and password
Data::Data newRegist;
newRegist.set_id( regist.id() );
newRegist.set_password( regist.passwd() );
for(int i=0; i<loginData.logindata_size(); ++i){
if( loginData.logindata(i).id() == newRegist.id() ){
sendCheck(sockfd, false);
return;
}
}
Data::Data* data = loginData.add_logindata();
data -> set_id(regist.id());
data -> set_password(regist.passwd());
update();
sendCheck(sockfd, true);
}
void chat(int sockfd){
// recv name
int count;
char bufferFST[4];
count = recv(sockfd, bufferFST, 4, MSG_PEEK);
if(count == -1)
perror("Recv with error");
google::protobuf::uint32 pkg_size = readHdr(bufferFST);
int byteCount;
online::OnlinePerson person;
char buffer[pkg_size + HDR_SIZE];
if( ( byteCount = recv(sockfd, (void *)buffer, pkg_size + HDR_SIZE, MSG_WAITALL) ) == -1 ){
perror("Error recviving data");
}
google::protobuf::io::ArrayInputStream ais(buffer, pkg_size + HDR_SIZE);
google::protobuf::io::CodedInputStream coded_input(&ais);
coded_input.ReadVarint32(&pkg_size);
google::protobuf::io::CodedInputStream::Limit msgLimit = coded_input.PushLimit(pkg_size);
person.ParseFromCodedStream(&coded_input);
// check whether online
for(int i=0; i<loginData.logindata_size(); ++i){
if( loginData.logindata(i).online() == true ){
if( loginData.logindata(i).id() != "" &&
loginData.logindata(i).id() == person.name() ){
sendCheck(sockfd, true);
send_port(sockfd, loginData.logindata(i).port(), loginData.logindata(i).ip());
return;
}
}
}
sendCheck(sockfd, false);
printf("!ok\n");
}
void recv_file_info(int sockfd, std::map<std::string, std::set<std::string> > &file_sets, login::Login user){
int count;
char bufferFST[4];
count = recv(sockfd, bufferFST, 4, MSG_PEEK);
if(count == -1)
perror("Recv with error");
google::protobuf::uint32 pkg_size = readHdr(bufferFST);
int byteCount;
file::Files files;
char buffer[pkg_size + HDR_SIZE];
if( ( byteCount = recv(sockfd, (void *)buffer, pkg_size + HDR_SIZE, MSG_WAITALL) ) == -1 ){
perror("Error recviving data");
}
google::protobuf::io::ArrayInputStream ais(buffer, pkg_size + HDR_SIZE);
google::protobuf::io::CodedInputStream coded_input(&ais);
coded_input.ReadVarint32(&pkg_size);
google::protobuf::io::CodedInputStream::Limit msgLimit = coded_input.PushLimit(pkg_size);
files.ParseFromCodedStream(&coded_input);
printf("%sFile update: \n", ANSI_COLOR_GREEN);
for(int i=0; i<files.files_size(); ++i){
file::File file = files.files(i);
if( file_sets.find( file.file_name() ) == file_sets.end() ){
file_sets[file.file_name()].insert(user.id());
std::cout << file.file_name() << ":";
print_file(file_sets[file.file_name()]);
}
else{
file_sets[file.file_name()].insert(user.id());
std::cout << file.file_name() << ":";
print_file(file_sets[file.file_name()]);
}
}
printf("%s\n", ANSI_COLOR_RESET);
update();
}
void* client_connect(void* info){
thread_info* new_info = (thread_info* )info;
int sockfd = new_info -> sockfd;
std::string addr = new_info -> address;
int port = new_info -> port;
std::cout << sockfd << " " << addr << " " << port << '\n';
/*int read_size;
char client_message[2000];
char welcome_message[200];
strcpy(welcome_message, "Welcome to simple P2P server !\n");
write(sockfd, welcome_message, strlen(welcome_message));
//test block
login::Login login;
login.set_id("testID");
login.set_passwd("testPasswd");
int pkg_size = login.ByteSize() + 4;
char* pkt = new char[pkg_size];
google::protobuf::io::ArrayOutputStream aos(pkt, pkg_size);
google::protobuf::io::CodedOutputStream* coded_output = new google::protobuf::io::CodedOutputStream(&aos);
coded_output -> WriteVarint32(login.ByteSize());
login.SerializeToCodedStream(coded_output);
write(sockfd, pkt, pkg_size);*/
//test block
update();
login::Login login;
while( true ){
int count;
char buffer[4];
count = recv(sockfd, buffer, 4, MSG_PEEK);
if(count == -1)
perror("Recv with error");
else{
ACTION request;
request = readAction(sockfd, readHdr(buffer));
if ( request == LOGIN ) {
login = login_check(sockfd, addr, port);
} else if ( request == REGIST ) {
regist_check(sockfd);
} else if ( request == DELETEACCOUNT ) {
delete_account(sockfd);
} else if ( request == SEARCHINFO ) {
search_info(sockfd);
} else if ( request == DOWNLOAD ) {
download_p2p(sockfd);
} else if ( request == CHAT ) {
chat(sockfd);
} else if (request == LOGOUT ) {
logout(sockfd, file_sets);
break;
} else if (request == RECVFILEINFO ) {
recv_file_info(sockfd, file_sets, login);
} else if (request == ONLINEINFO){
send_online_info(sockfd);
} else if (request == PORTREQUEST) {
//send_port(sockfd);
} else {
printf("%sBugssssssssssss%s\n", ANSI_COLOR_RED, ANSI_COLOR_RESET);
}
}
}
/*while( (read_size = recv(sock , client_message , 2000 , 0)) > 0 ){
client_message[read_size] = '\0';
write(sock , client_message , strlen(client_message));
memset(client_message, 0, 2000);
}
if(read_size == 0) {
puts("Client disconnected");
fflush(stdout);
}else if(read_size == -1){
perror("recv failed");
}*/
//printf("Connection left\n");
return 0;
}
