#include <sys/time.h>
#ifndef SOCK_CLOEXEC
-#define SOCK_CLOEXEC 0
+# define SOCK_CLOEXEC 0
#endif
-static memcached_return_t connect_poll(memcached_instance_st *server)
+#ifndef SOCK_NONBLOCK
+# define SOCK_NONBLOCK 0
+#endif
+
+#ifndef FD_CLOEXEC
+# define FD_CLOEXEC 0
+#endif
+
+static memcached_return_t connect_poll(org::libmemcached::Instance* server)
{
struct pollfd fds[1];
fds[0].fd= server->fd;
return memcached_set_errno(*server, get_socket_errno(), MEMCACHED_AT);
}
-static memcached_return_t set_hostinfo(memcached_instance_st *server)
+static memcached_return_t set_hostinfo(org::libmemcached::Instance* server)
{
assert(server->type != MEMCACHED_CONNECTION_UNIX_SOCKET);
if (server->address_info)
}
char str_port[NI_MAXSERV];
- int length= snprintf(str_port, NI_MAXSERV, "%u", (uint32_t)server->port);
- if (length >= NI_MAXSERV or length < 0)
+ int length= snprintf(str_port, NI_MAXSERV, "%u", uint32_t(server->port()));
+ if (length >= NI_MAXSERV or length <= 0)
{
return MEMCACHED_FAILURE;
}
hints.ai_protocol= IPPROTO_TCP;
}
- server->address_info= NULL;
+ assert(server->address_info == NULL);
+ assert(server->address_info_next == NULL);
int errcode;
switch(errcode= getaddrinfo(server->hostname, str_port, &hints, &server->address_info))
{
break;
case EAI_AGAIN:
+ if (server->address_info)
+ {
+ freeaddrinfo(server->address_info);
+ server->address_info= NULL;
+ server->address_info_next= NULL;
+ }
return memcached_set_error(*server, MEMCACHED_TIMEOUT, MEMCACHED_AT, memcached_string_make_from_cstr(gai_strerror(errcode)));
case EAI_SYSTEM:
+ if (server->address_info)
+ {
+ freeaddrinfo(server->address_info);
+ server->address_info= NULL;
+ server->address_info_next= NULL;
+ }
return memcached_set_errno(*server, errno, MEMCACHED_AT, memcached_literal_param("getaddrinfo(EAI_SYSTEM)"));
case EAI_BADFLAGS:
+ if (server->address_info)
+ {
+ freeaddrinfo(server->address_info);
+ server->address_info= NULL;
+ server->address_info_next= NULL;
+ }
return memcached_set_error(*server, MEMCACHED_INVALID_ARGUMENTS, MEMCACHED_AT, memcached_literal_param("getaddrinfo(EAI_BADFLAGS)"));
case EAI_MEMORY:
+ if (server->address_info)
+ {
+ freeaddrinfo(server->address_info);
+ server->address_info= NULL;
+ server->address_info_next= NULL;
+ }
return memcached_set_error(*server, MEMCACHED_MEMORY_ALLOCATION_FAILURE, MEMCACHED_AT, memcached_literal_param("getaddrinfo(EAI_MEMORY)"));
default:
{
+ if (server->address_info)
+ {
+ freeaddrinfo(server->address_info);
+ server->address_info= NULL;
+ server->address_info_next= NULL;
+ }
return memcached_set_error(*server, MEMCACHED_HOST_LOOKUP_FAILURE, MEMCACHED_AT, memcached_string_make_from_cstr(gai_strerror(errcode)));
}
}
return MEMCACHED_SUCCESS;
}
-static inline void set_socket_nonblocking(memcached_instance_st *server)
+static inline void set_socket_nonblocking(org::libmemcached::Instance* server)
{
#ifdef WIN32
u_long arg= 1;
#else
int flags;
- do
- {
- flags= fcntl(server->fd, F_GETFL, 0);
- } while (flags == -1 && (errno == EINTR || errno == EAGAIN));
-
- if (flags == -1)
+ if (SOCK_NONBLOCK == 0)
{
- memcached_set_errno(*server, errno, NULL);
- }
- else if ((flags & O_NONBLOCK) == 0)
- {
- int rval;
-
do
{
- rval= fcntl(server->fd, F_SETFL, flags | O_NONBLOCK);
- } while (rval == -1 && (errno == EINTR or errno == EAGAIN));
+ flags= fcntl(server->fd, F_GETFL, 0);
+ } while (flags == -1 && (errno == EINTR || errno == EAGAIN));
- if (rval == -1)
+ if (flags == -1)
{
memcached_set_errno(*server, errno, NULL);
}
+ else if ((flags & O_NONBLOCK) == 0)
+ {
+ int rval;
+
+ do
+ {
+ rval= fcntl(server->fd, F_SETFL, flags | O_NONBLOCK);
+ } while (rval == -1 && (errno == EINTR or errno == EAGAIN));
+
+ if (rval == -1)
+ {
+ memcached_set_errno(*server, errno, NULL);
+ }
+ }
}
#endif
}
-static void set_socket_options(memcached_instance_st *server)
+static void set_socket_options(org::libmemcached::Instance* server)
{
assert_msg(server->fd != INVALID_SOCKET, "invalid socket was passed to set_socket_options()");
}
#ifdef HAVE_SNDTIMEO
- if (server->root->snd_timeout)
+ if (server->root->snd_timeout > 0)
{
struct timeval waittime;
- waittime.tv_sec= 0;
- waittime.tv_usec= server->root->snd_timeout;
+ waittime.tv_sec= server->root->snd_timeout / 1000000;
+ waittime.tv_usec= server->root->snd_timeout % 1000000;
int error= setsockopt(server->fd, SOL_SOCKET, SO_SNDTIMEO,
- &waittime, (socklen_t)sizeof(struct timeval));
+ &waittime, (socklen_t)sizeof(struct timeval));
+ (void)error;
assert(error == 0);
}
#endif
#ifdef HAVE_RCVTIMEO
- if (server->root->rcv_timeout)
+ if (server->root->rcv_timeout > 0)
{
struct timeval waittime;
- waittime.tv_sec= 0;
- waittime.tv_usec= server->root->rcv_timeout;
+ waittime.tv_sec= server->root->rcv_timeout / 1000000;
+ waittime.tv_usec= server->root->rcv_timeout % 1000000;
int error= setsockopt(server->fd, SOL_SOCKET, SO_RCVTIMEO,
&waittime, (socklen_t)sizeof(struct timeval));
+ (void)(error);
assert(error == 0);
}
#endif
int set= 1;
int error= setsockopt(server->fd, SOL_SOCKET, SO_NOSIGPIPE, (void *)&set, sizeof(int));
+ assert(error == 0);
+
// This is not considered a fatal error
if (error == -1)
{
- WATCHPOINT_ERRNO(get_socket_errno());
+#if 0
perror("setsockopt(SO_NOSIGPIPE)");
+#endif
}
}
#endif
linger.l_linger= 0; /* By default on close() just drop the socket */
int error= setsockopt(server->fd, SOL_SOCKET, SO_LINGER,
&linger, (socklen_t)sizeof(struct linger));
+ (void)(error);
assert(error == 0);
}
int error= setsockopt(server->fd, IPPROTO_TCP, TCP_NODELAY,
&flag, (socklen_t)sizeof(int));
+ (void)(error);
assert(error == 0);
}
int error= setsockopt(server->fd, SOL_SOCKET, SO_KEEPALIVE,
&flag, (socklen_t)sizeof(int));
+ (void)(error);
assert(error == 0);
}
{
int error= setsockopt(server->fd, IPPROTO_TCP, TCP_KEEPIDLE,
&server->root->tcp_keepidle, (socklen_t)sizeof(int));
+ (void)(error);
assert(error == 0);
}
#endif
{
int error= setsockopt(server->fd, SOL_SOCKET, SO_SNDBUF,
&server->root->send_size, (socklen_t)sizeof(int));
+ (void)(error);
assert(error == 0);
}
{
int error= setsockopt(server->fd, SOL_SOCKET, SO_RCVBUF,
&server->root->recv_size, (socklen_t)sizeof(int));
+ (void)(error);
assert(error == 0);
}
-
/* libmemcached will always use nonblocking IO to avoid write deadlocks */
set_socket_nonblocking(server);
}
-static memcached_return_t unix_socket_connect(memcached_instance_st *server)
+static memcached_return_t unix_socket_connect(org::libmemcached::Instance* server)
{
#ifndef WIN32
WATCHPOINT_ASSERT(server->fd == INVALID_SOCKET);
- if ((server->fd= socket(AF_UNIX, SOCK_STREAM, 0)) < 0)
+ int type= SOCK_STREAM;
+ if (SOCK_CLOEXEC)
+ {
+ type|= SOCK_CLOEXEC;
+ }
+
+ if (SOCK_NONBLOCK)
+ {
+ type|= SOCK_NONBLOCK;
+ }
+
+ if ((server->fd= socket(AF_UNIX, type, 0)) < 0)
{
memcached_set_errno(*server, errno, NULL);
return MEMCACHED_CONNECTION_FAILURE;
#endif
}
-static memcached_return_t network_connect(memcached_instance_st *server)
+static memcached_return_t network_connect(org::libmemcached::Instance* server)
{
bool timeout_error_occured= false;
WATCHPOINT_ASSERT(server->fd == INVALID_SOCKET);
- WATCHPOINT_ASSERT(server->cursor_active == 0);
+ WATCHPOINT_ASSERT(server->cursor_active_ == 0);
/*
We want to check both of these because if address_info_next has been fully tried, we want to do a new lookup to make sure we have picked up on any new DNS information.
{
WATCHPOINT_ASSERT(server->state == MEMCACHED_SERVER_STATE_NEW);
server->address_info_next= NULL;
- memcached_return_t rc;
- uint32_t counter= 5;
- while (--counter)
- {
- if ((rc= set_hostinfo(server)) != MEMCACHED_TIMEOUT)
- {
- break;
- }
-
-#ifndef WIN32
- struct timespec dream, rem;
-
- dream.tv_nsec= 1000;
- dream.tv_sec= 0;
-
- nanosleep(&dream, &rem);
-#endif
- }
+ memcached_return_t rc= set_hostinfo(server);
if (memcached_failed(rc))
{
}
int type= server->address_info_next->ai_socktype;
- if (HAVE_SOCK_CLOEXEC)
+ if (SOCK_CLOEXEC)
{
type|= SOCK_CLOEXEC;
}
+ if (SOCK_NONBLOCK)
+ {
+ type|= SOCK_NONBLOCK;
+ }
+
if ((server->fd= socket(server->address_info_next->ai_family,
type,
server->address_info_next->ai_protocol)) < 0)
return memcached_set_errno(*server, get_socket_errno(), NULL);
}
- if (HAVE_SOCK_CLOEXEC == 0)
+ // If SOCK_CLOEXEC exists then we don't need to call the following
+ if (SOCK_CLOEXEC == 0)
{
-#ifdef FD_CLOEXEC
- int rval;
- do
+ if (FD_CLOEXEC)
{
- rval= fcntl (server->fd, F_SETFD, FD_CLOEXEC);
- } while (rval == -1 && (errno == EINTR or errno == EAGAIN));
-#endif
+ int rval;
+ do
+ {
+ rval= fcntl (server->fd, F_SETFD, FD_CLOEXEC);
+ } while (rval == -1 && (errno == EINTR or errno == EAGAIN));
+ }
}
set_socket_options(server);
Based on time/failure count fail the connect without trying. This prevents waiting in a state where
we get caught spending cycles just waiting.
*/
-static memcached_return_t backoff_handling(memcached_server_write_instance_st server, bool& in_timeout)
+static memcached_return_t backoff_handling(org::libmemcached::Instance* server, bool& in_timeout)
{
struct timeval curr_time;
bool _gettime_success= (gettimeofday(&curr_time, NULL) == 0);
return MEMCACHED_SUCCESS;
}
-static memcached_return_t _memcached_connect(memcached_server_write_instance_st server, const bool set_last_disconnected)
+static memcached_return_t _memcached_connect(org::libmemcached::Instance* server, const bool set_last_disconnected)
{
+ assert(server);
if (server->fd != INVALID_SOCKET)
{
return MEMCACHED_SUCCESS;
if (memcached_success(rc))
{
- memcached_mark_server_as_clean(server);
+ server->mark_server_as_clean();
+ memcached_version_instance(server);
return rc;
}
else if (set_last_disconnected)
if (in_timeout)
{
char buffer[1024];
- int snprintf_length= snprintf(buffer, sizeof(buffer), "%s:%d", server->hostname, int(server->port));
+ int snprintf_length= snprintf(buffer, sizeof(buffer), "%s:%d", server->hostname, int(server->port()));
return memcached_set_error(*server, MEMCACHED_SERVER_TEMPORARILY_DISABLED, MEMCACHED_AT, buffer, snprintf_length);
}
}
return rc;
}
-memcached_return_t memcached_connect_try(memcached_server_write_instance_st server)
+memcached_return_t memcached_connect_try(org::libmemcached::Instance* server)
{
+ if (server and server->root and server->root->state.is_parsing)
+ {
+ return MEMCACHED_SUCCESS;
+ }
+
return _memcached_connect(server, false);
}
-memcached_return_t memcached_connect(memcached_server_write_instance_st server)
+memcached_return_t memcached_connect(org::libmemcached::Instance* server)
{
return _memcached_connect(server, true);
}
projects / m6w6 / libmemcached / blobdiff