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ndb - bug#24011

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This commit is contained in:
jonas@perch.ndb.mysql.com 2006-11-06 14:50:45 +01:00
parent 4037a8d657
commit c8d07748c2
1 changed files with 52 additions and 34 deletions
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86
ndb/src/common/util/socket_io.cpp
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@ -53,10 +53,6 @@ readln_socket(NDB_SOCKET_TYPE socket, int timeout_millis,
if(buflen <= 1)
return 0;
int sock_flags= fcntl(socket, F_GETFL);
if(fcntl(socket, F_SETFL, sock_flags | O_NONBLOCK) == -1)
return -1;
fd_set readset;
FD_ZERO(&readset);
FD_SET(socket, &readset);
@ -71,43 +67,65 @@ readln_socket(NDB_SOCKET_TYPE socket, int timeout_millis,
}
if(selectRes == -1){
fcntl(socket, F_SETFL, sock_flags);
return -1;
}
buf[0] = 0;
const int t = recv(socket, buf, buflen, MSG_PEEK);
if(t < 1)
char* ptr = buf;
int len = buflen;
do
{
fcntl(socket, F_SETFL, sock_flags);
return -1;
}
for(int i=0; i< t;i++)
{
if(buf[i] == '\n'){
recv(socket, buf, i+1, 0);
buf[i] = 0;
if(i > 0 && buf[i-1] == '\r'){
i--;
buf[i] = 0;
}
fcntl(socket, F_SETFL, sock_flags);
return t;
int t;
while((t = recv(socket, ptr, len, MSG_PEEK)) == -1 && errno == EINTR);
if(t < 1)
{
return -1;
}
}
if(t == (buflen - 1)){
recv(socket, buf, t, 0);
buf[t] = 0;
fcntl(socket, F_SETFL, sock_flags);
return buflen;
}
for(int i = 0; i<t; i++)
{
if(ptr[i] == '\n')
{
/**
* Now consume
*/
for (len = 1 + i; len; )
{
while ((t = recv(socket, ptr, len, 0)) == -1 && errno == EINTR);
if (t < 1)
return -1;
ptr += t;
len -= t;
}
ptr[0]= 0;
return ptr - buf;
}
}
for (int tmp = t; tmp; )
{
while ((t = recv(socket, ptr, tmp, 0)) == -1 && errno == EINTR);
if (t < 1)
{
return -1;
}
ptr += t;
len -= t;
tmp -= t;
}
return 0;
FD_ZERO(&readset);
FD_SET(socket, &readset);
timeout.tv_sec = (timeout_millis / 1000);
timeout.tv_usec = (timeout_millis % 1000) * 1000;
const int selectRes = select(socket + 1, &readset, 0, 0, &timeout);
if(selectRes != 1){
return -1;
}
} while (len > 0);
return -1;
}
extern "C"