backends/mailbox/fsmailbox.cpp

   1
   2 #include <libfmail.h>
   3 #include <libfmail/socketipc.h>
   4 #include <dirent.h>
   5
   6 enum {MSG_LIST = 1, MSG_STORE = 2, MSG_RETR = 3};
   7
   8 int knhash(char v){
   9         if ((v >= 'A') && (v <= 'Z'))
  10                 return v - 'A';
  11
  12         if ((v >= 'a') && (v <= 'z'))
  13                 return v - 'a';
  14
  15         return 255;
  16 }
  17
  18 class FSMailbox : public ProtocolHandler{
  19 private:
  20         SearchTree<int, 26, &knhash> cmdtree;
  21 public:
  22         FSMailbox(){
  23                 cmdtree.Insert("list", MSG_LIST);
  24                 cmdtree.Insert("store", MSG_STORE);
  25                 cmdtree.Insert("retr", MSG_RETR);
  26         }
  27         int Handle(Socket *s){
  28                 IPCMessage *msg;
  29                 IPC *ipc;
  30                 int onRun, msgid, n, i, len;
  31                 char *user, *rcpt, *msglen, buffer[255];
  32                 FILE *fd;
  33                 //DIR *dir;
  34                 struct dirent **dent;
  35
  36                 printf("Got Client\n");
  37                 printf("Creating new IPC\n");
  38
  39                 ipc = new SocketIPC(s);
  40                 onRun = 1;
  41
  42                 while(onRun){
  43                         printf("Waiting for Message\n");
  44                         if (ipc->PeekMessage()){
  45                                 printf("Got Message\n");
  46                                 msg = ipc->PopMessage();
  47                                 try{
  48                                         msgid = cmdtree.Lookup((char*)msg->GetMessageName());
  49                                 }catch (SearchNotFound){
  50                                         msgid = -1;
  51                                 }
  52                                 switch(msgid){
  53                                 case MSG_LIST:
  54                                         user = msg->PopParam();
  55                                         sprintf(buffer, "/tmp/fmail/%s/", user);
  56                                         n = scandir(buffer, &dent, NULL, alphasort);
  57                                         sprintf(buffer, "%i", n);
  58                                         msg = new IPCMessage("ok");
  59                                         msg->PushParam(buffer);
  60                                         ipc->PushMessage(msg);
  61                                         for (i = 0; i < n; i++){
  62                                                 msg = new IPCMessage("mailinfo");
  63                                                 msg->PushParam(dent[i]->d_name);
  64                                                 free(dent[i]);
  65                                         }
  66                                         free(dent);
  67                                         break;
  68                                 case MSG_STORE:
  69                                         user = msg->PopParam();
  70                                         rcpt = msg->PopParam();
  71                                         msglen = msg->PopParam();
  72                                         //len = atoi(msglen);
  73                                         len = 1025;
  74                                         fd = fopen("/tmp/fmail/in/1", "w");
  75                                         n = 0;
  76                                         while(n < len){
  77                                                 i = ipc->RawRead(buffer, 255);
  78                                                 fwrite(buffer, 1, i, fd);
  79                                                 if (i == 0)
  80                                                         break;
  81                                                 n += i;
  82                                         }
  83                                         fclose(fd);
  84                                         break;
  85                                 case MSG_RETR:
  86                                         break;
  87                                 case 4:
  88                                         break;
  89                                 default:
  90                                         break;
  91                                 }
  92                         }
  93                 }
  94                 ipc->CloseIPC();
  95                 delete ipc;
  96                 return 0;
  97         }
  98 };
  99
 100 class SimpleLoad : public LoadHandler{
 101 public:
 102         int Dispatch(Socket *sock, ProtocolHandler *ph){
 103                 printf("SimpleLoad: Dispatching\n");
 104                 if (ph)
 105                         return ph->Handle(sock);
 106                 return 0;
 107         }
 108 };
 109
 110 int main(){
 111         //BaseServer *serv;
 112         LoadHandler *lh;
 113         FSMailbox *handler;
 114         Socket *s, *client;
 115         int r;
 116
 117         s = Socket::CreateSocket(SOCKET_INET, 0);
 118         s->setAddress("127.0.0.1");
 119         s->setPort(14001);
 120
 121         s->Bind();
 122         s->Listen(10);
 123
 124         printf("Creating new FSMailbox\n");
 125         handler = new FSMailbox();
 126
 127         printf("Creating new SimpleLoad\n");
 128         lh = new SimpleLoad();
 129
 130         while (1){
 131                 r = s->Poll(10000, SOCKET_POLL_READ);
 132                 if (r == SOCKET_POLL_READ){
 133                         printf("Got new client!\n");
 134                         client = s->Accept();
 135                         lh->Dispatch(client, handler);
 136                 }
 137         }
 138
 139         return 0;
 140 }