extern int net_recv_packet(int sock, t_packet * packet, unsigned int * currsize)
{
int addlen;
unsigned int header_size;
void * temp;
if (!packet) {
eventlog(eventlog_level_error,__FUNCTION__,"[%d] got NULL packet (closing connection)",sock);
return -1;
}
if (!currsize) {
eventlog(eventlog_level_error,__FUNCTION__,"[%d] got NULL currsize (closing connection)",sock);
return -1;
}
if ((header_size = packet_get_header_size(packet))>=MAX_PACKET_SIZE) {
eventlog(eventlog_level_error,__FUNCTION__,"[%d] could not determine header size (closing connection)",sock);
return -1;
}
if (!(temp = packet_get_raw_data_build(packet,*currsize))) {
eventlog(eventlog_level_error,__FUNCTION__,"[%d] could not obtain raw data pointer at offset %u (closing connection)",sock,*currsize);
return -1;
}
if (*currsize<header_size)
addlen = net_recv(sock, temp, header_size-*currsize);
else {
unsigned int total_size=packet_get_size(packet);
if (total_size<header_size) {
eventlog(eventlog_level_warn,__FUNCTION__,"[%d] corrupted packet received (total_size=%u currsize=%u) (closing connection)",sock,total_size,*currsize);
return -1;
}
if (*currsize>=total_size) {
eventlog(eventlog_level_warn,__FUNCTION__,"[%d] more data requested for already complete packet (total_size=%u currsize=%u) (closing connection)",sock,total_size,*currsize);
return -1;
}
addlen = net_recv(sock, temp, total_size-*currsize);
}
if (addlen<=0) return addlen;
*currsize += addlen;
if (*currsize>=header_size && *currsize==packet_get_size(packet))
return 1;
return 0;
}
extern int net_recv_packet(int sock, t_packet * packet, unsigned int * currsize)
{
int addlen;
unsigned int header_size;
void * temp;
if (!packet)
{
eventlog(eventlog_level_error,"net_recv_packet","[%d] got NULL packet (closing connection)",sock);
return -1;
}
if (!currsize)
{
eventlog(eventlog_level_error,"net_recv_packet","[%d] got NULL currsize (closing connection)",sock);
return -1;
}
if ((header_size = packet_get_header_size(packet))>=MAX_PACKET_SIZE)
{
eventlog(eventlog_level_error,"net_recv_packet","[%d] could not determine header size (closing connection)",sock);
return -1;
}
if (!(temp = packet_get_raw_data_build(packet,*currsize)))
{
eventlog(eventlog_level_error,"net_recv_packet","[%d] could not obtain raw data pointer at offset %u (closing connection)",sock,*currsize);
return -1;
}
if (*currsize<header_size)
{
addlen = psock_recv(sock,
temp,
header_size-*currsize,
0);
}
else
{
unsigned int total_size=packet_get_size(packet);
if (total_size<header_size)
{
eventlog(eventlog_level_warn,"net_recv_packet","[%d] corrupted packet received (total_size=%u currsize=%u) (closing connection)",sock,total_size,*currsize);
return -1;
}
if (*currsize>=total_size)
{
eventlog(eventlog_level_warn,"net_recv_packet","[%d] more data requested for already complete packet (total_size=%u currsize=%u) (closing connection)",sock,total_size,*currsize);
return -1;
}
addlen = psock_recv(sock,
temp,
total_size-*currsize,
0);
}
if (addlen==0)
{
eventlog(eventlog_level_debug,"net_recv_packet","[%d] remote host closed connection",sock);
return -1;
}
if (addlen<0)
{
if (
#ifdef PSOCK_EINTR
psock_errno()==PSOCK_EINTR ||
#endif
#ifdef PSOCK_EAGAIN
psock_errno()==PSOCK_EAGAIN ||
#endif
#ifdef PSOCK_EWOULDBLOCK
psock_errno()==PSOCK_EWOULDBLOCK ||
#endif
#ifdef PSOCK_ENOMEM
psock_errno()==PSOCK_ENOMEM ||
#endif
0) /* try later */
return 0;
if (
#ifdef PSOCK_ENOTCONN
psock_errno()==PSOCK_ENOTCONN ||
#endif
#ifdef PSOCK_ECONNRESET
psock_errno()==PSOCK_ECONNRESET ||
#endif
0)
{
/* eventlog(eventlog_level_debug,"net_recv_packet","[%d] remote host closed connection (psock_recv: %s)",sock,strerror(psock_errno())); */
return -1; /* common error: close connection, but no message */
}
eventlog(eventlog_level_error,"net_recv_packet","[%d] receive error (closing connection) (psock_recv: %s)",sock,strerror(psock_errno()));
return -1;
}
*currsize += addlen;
if (*currsize>=header_size && *currsize==packet_get_size(packet))
return 1;
return 0;
}
