//处理批量添加边的函数，边都属于一个图
//加边的同时，如果成功，要添加边的属性索引，边的属性索引是针对整个图的，而不是子图
void handler_add_edges(Replier &rep){
string graph_name=rep.get_graph_name();
list<Edge_u> &edges=rep.get_edges();
list<Edge_u>::iterator it=edges.begin();
Subgraph *sub;
uint32_t num=0;
while(it!=edges.end()){
sub=graph_set->get_subgraph(graph_name,(*it).s_id);//得到该图该顶点所在的子图，子图不存在，则会创建一个
Edge e(*it);
int res=sub->add_edge((*it).s_id,e);
if(res==0||res==1||res==-1) {
if(res==0){
//添加边属性的索引
Graph *graph=graph_set->get_graph(graph_name);
Key k((*it).blog_id);
Value v((*it).s_id,(*it).d_id);
//graph->add_edge_index(k,v);
graph_set->get_graph(graph_name)->edge_num_increment();
num++;//添加成功，记录一笔
}
edges.erase(it);
it=edges.begin();
}
else{
it++;
if(it==edges.end()){
it=edges.begin();
}
}
}
ostringstream stream_num;
stream_num<<num;
string string_num=stream_num.str();
rep.ans(STATUS_OK,string_num.c_str(),string_num.size()+1);
}
