hcq/MaxScale
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Merge branch 'release-1.0GA' into blr

Browse Source
This commit is contained in:
Mark Riddoch
2014-12-08 09:21:38 +00:00
parent ce056dccd8 b1eaaea961
commit 8fed527ac9
47 changed files with 914 additions and 439 deletions
Download Patch File Download Diff File Expand all files Collapse all files

105
server/modules/protocol/mysql_backend.c
View File

@ -211,12 +211,13 @@ static int gw_read_backend_event(DCB *dcb) {
/** Read cached backend handshake */
if (gw_read_backend_handshake(backend_protocol) != 0)
{
backend_protocol->protocol_auth_state = MYSQL_AUTH_FAILED;
backend_protocol->protocol_auth_state = MYSQL_HANDSHAKE_FAILED;
LOGIF(LD, (skygw_log_write(
LOGFILE_DEBUG,
"%lu [gw_read_backend_event] after "
"gw_read_backend_handshake, fd %d, "
"state = MYSQL_AUTH_FAILED.",
"state = MYSQL_HANDSHAKE_FAILED.",
pthread_self(),
backend_protocol->owner_dcb->fd)));
}
@ -256,6 +257,7 @@ static int gw_read_backend_event(DCB *dcb) {
* -- handle a previous handshake error
*/
if (backend_protocol->protocol_auth_state == MYSQL_AUTH_RECV ||
backend_protocol->protocol_auth_state == MYSQL_HANDSHAKE_FAILED ||
backend_protocol->protocol_auth_state == MYSQL_AUTH_FAILED)
{
spinlock_acquire(&dcb->authlock);
@ -264,6 +266,7 @@ static int gw_read_backend_event(DCB *dcb) {
CHK_PROTOCOL(backend_protocol);
if (backend_protocol->protocol_auth_state == MYSQL_AUTH_RECV ||
backend_protocol->protocol_auth_state == MYSQL_HANDSHAKE_FAILED ||
backend_protocol->protocol_auth_state == MYSQL_AUTH_FAILED)
{
ROUTER_OBJECT *router = NULL;
@ -286,7 +289,7 @@ static int gw_read_backend_event(DCB *dcb) {
if (backend_protocol->protocol_auth_state == MYSQL_AUTH_RECV)
{
/**
* Read backed's reply to authentication message
* Read backend's reply to authentication message
*/
receive_rc =
gw_receive_backend_auth(backend_protocol);
@ -340,7 +343,8 @@ static int gw_read_backend_event(DCB *dcb) {
} /* switch */
}
if (backend_protocol->protocol_auth_state == MYSQL_AUTH_FAILED)
if (backend_protocol->protocol_auth_state == MYSQL_AUTH_FAILED ||
backend_protocol->protocol_auth_state == MYSQL_HANDSHAKE_FAILED)
{
/**
* protocol state won't change anymore,
@ -362,7 +366,9 @@ static int gw_read_backend_event(DCB *dcb) {
bool succp;
/* try reload users' table for next connection */
service_refresh_users(dcb->session->service);
if (backend_protocol->protocol_auth_state == MYSQL_AUTH_FAILED) {
service_refresh_users(dcb->session->service);
}
#if defined(SS_DEBUG)
LOGIF(LD, (skygw_log_write(
LOGFILE_DEBUG,
@ -428,7 +434,7 @@ static int gw_read_backend_event(DCB *dcb) {
spinlock_release(&dcb->authlock);
} /* MYSQL_AUTH_RECV || MYSQL_AUTH_FAILED */
} /* MYSQL_AUTH_RECV || MYSQL_AUTH_FAILED || MYSQL_HANDSHAKE_FAILED */
/* reading MySQL command output from backend and writing to the client */
{
@ -552,7 +558,7 @@ static int gw_read_backend_event(DCB *dcb) {
{
client_protocol = SESSION_PROTOCOL(dcb->session,
MySQLProtocol);
if (client_protocol != NULL)
if (client_protocol != NULL)
{
CHK_PROTOCOL(client_protocol);
@ -693,6 +699,7 @@ gw_MySQLWrite_backend(DCB *dcb, GWBUF *queue)
* return 1.
*/
switch (backend_protocol->protocol_auth_state) {
case MYSQL_HANDSHAKE_FAILED:
case MYSQL_AUTH_FAILED:
{
size_t len;
@ -823,18 +830,22 @@ static int gw_error_backend_event(DCB *dcb)
*/
if (dcb->state != DCB_STATE_POLLING)
{
int error, len;
char buf[100];
int error, len;
char buf[100];
len = sizeof(error);
if (getsockopt(dcb->fd, SOL_SOCKET, SO_ERROR, &error, &len) == 0)
if (getsockopt(dcb->fd, SOL_SOCKET, SO_ERROR, &error, (socklen_t *)&len) == 0)
{
strerror_r(error, buf, 100);
LOGIF(LE, (skygw_log_write_flush(
LOGFILE_ERROR,
"DCB in state %s got error '%s'.",
gw_dcb_state2string(dcb->state),
buf)));
if (error != 0)
{
strerror_r(error, buf, 100);
LOGIF(LE, (skygw_log_write_flush(
LOGFILE_ERROR,
"DCB in state %s got error '%s'.",
STRDCBSTATE(dcb->state),
buf)));
}
}
return 1;
}
@ -862,18 +873,21 @@ static int gw_error_backend_event(DCB *dcb)
if (ses_state != SESSION_STATE_ROUTER_READY)
{
int error, len;
char buf[100];
int error, len;
char buf[100];
len = sizeof(error);
if (getsockopt(dcb->fd, SOL_SOCKET, SO_ERROR, &error, &len) == 0)
if (getsockopt(dcb->fd, SOL_SOCKET, SO_ERROR, &error, (socklen_t *)&len) == 0)
{
strerror_r(error, buf, 100);
LOGIF(LE, (skygw_log_write_flush(
LOGFILE_ERROR,
"Error '%s' in session that is not ready for routing.",
buf)));
}
if (error != 0)
{
strerror_r(error, buf, 100);
LOGIF(LE, (skygw_log_write_flush(
LOGFILE_ERROR,
"Error '%s' in session that is not ready for routing.",
buf)));
}
}
gwbuf_free(errbuf);
goto retblock;
}
@ -946,7 +960,8 @@ static int gw_create_backend_connection(
"protocol object for backend connection.")));
goto return_fd;
}
/** Copy client flags to backend protocol */
if (backend_dcb->session->client->protocol)
{
/** Copy client flags to backend protocol */
@ -1073,18 +1088,21 @@ gw_backend_hangup(DCB *dcb)
if (ses_state != SESSION_STATE_ROUTER_READY)
{
int error, len;
char buf[100];
int error, len;
char buf[100];
len = sizeof(error);
if (getsockopt(dcb->fd, SOL_SOCKET, SO_ERROR, &error, &len) == 0)
if (getsockopt(dcb->fd, SOL_SOCKET, SO_ERROR, &error, (socklen_t *)&len) == 0)
{
strerror_r(error, buf, 100);
LOGIF(LE, (skygw_log_write_flush(
LOGFILE_ERROR,
"Hangup in session that is not ready for routing, "
"Error reported is '%s'.",
buf)));
if (error != 0)
{
strerror_r(error, buf, 100);
LOGIF(LE, (skygw_log_write_flush(
LOGFILE_ERROR,
"Hangup in session that is not ready for routing, "
"Error reported is '%s'.",
buf)));
}
}
gwbuf_free(errbuf);
goto retblock;
@ -1320,12 +1338,11 @@ static int gw_change_user(
/* now get the user, after 4 bytes header and 1 byte command */
client_auth_packet += 5;
strcpy(username, (char *)client_auth_packet);
strncpy(username, (char *)client_auth_packet,MYSQL_USER_MAXLEN);
client_auth_packet += strlen(username) + 1;
/* get the auth token len */
memcpy(&auth_token_len, client_auth_packet, 1);
ss_dassert(auth_token_len >= 0);
client_auth_packet++;
@ -1341,7 +1358,7 @@ static int gw_change_user(
}
/* get new database name */
strcpy(database, (char *)client_auth_packet);
strncpy(database, (char *)client_auth_packet,MYSQL_DATABASE_MAXLEN);
/* get character set */
if (strlen(database)) {
@ -1354,7 +1371,7 @@ static int gw_change_user(
memcpy(&backend_protocol->charset, client_auth_packet, sizeof(int));
/* save current_database name */
strcpy(current_database, current_session->db);
strncpy(current_database, current_session->db,MYSQL_DATABASE_MAXLEN);
/*
* Now clear database name in dcb as we don't do local authentication on db name for change user.
@ -1474,7 +1491,7 @@ static GWBUF* process_response_data (
int nbytes_to_process) /*< number of new bytes read */
{
int npackets_left = 0; /*< response's packet count */
size_t nbytes_left = 0; /*< nbytes to be read for the packet */
ssize_t nbytes_left = 0; /*< nbytes to be read for the packet */
MySQLProtocol* p;
GWBUF* outbuf = NULL;
@ -1548,11 +1565,13 @@ static GWBUF* process_response_data (
*/
else /*< nbytes_left < nbytes_to_process */
{
ss_dassert(nbytes_left >= 0);
nbytes_to_process -= nbytes_left;
/** Move the prefix of the buffer to outbuf from redbuf */
outbuf = gwbuf_append(outbuf, gwbuf_clone_portion(readbuf, 0, nbytes_left));
readbuf = gwbuf_consume(readbuf, nbytes_left);
outbuf = gwbuf_append(outbuf,
gwbuf_clone_portion(readbuf, 0, (size_t)nbytes_left));
readbuf = gwbuf_consume(readbuf, (size_t)nbytes_left);
ss_dassert(npackets_left > 0);
npackets_left -= 1;
nbytes_left = 0;
@ -1600,7 +1619,7 @@ static bool sescmd_response_complete(
DCB* dcb)
{
int npackets_left;
size_t nbytes_left;
ssize_t nbytes_left;
MySQLProtocol* p;
bool succp;