*
*/
-#include "libmemcached/common.h"
+#include <libmemcached/common.h>
+#include <cstdarg>
#define MAX_ERROR_LENGTH 2048
struct memcached_error_t
char message[MAX_ERROR_LENGTH];
};
-static void _set(memcached_st *memc, memcached_string_t *str, const memcached_return_t rc, const int local_errno)
+static void _set(org::libmemcached::Instance& server, memcached_st& memc)
{
- WATCHPOINT_ASSERT(memc);
- if (! memc)
+ if (server.error_messages and server.error_messages->query_id != server.root->query_id)
+ {
+ memcached_error_free(server);
+ }
+
+ if (memc.error_messages == NULL)
+ {
return;
+ }
- if (memc->error_messages && memc->error_messages->query_id != memc->query_id)
+ memcached_error_t *error= libmemcached_xmalloc(&memc, memcached_error_t);
+ if (error == NULL) // Bad business if this happens
+ {
+ return;
+ }
+
+ memcpy(error, memc.error_messages, sizeof(memcached_error_t));
+ error->next= server.error_messages;
+ server.error_messages= error;
+}
+
+#if 0
+static int error_log_fd= -1;
+#endif
+
+static void _set(memcached_st& memc, memcached_string_t *str, memcached_return_t &rc, const char *at, int local_errno= 0)
+{
+ if (memc.error_messages && memc.error_messages->query_id != memc.query_id)
{
memcached_error_free(memc);
}
- memcached_error_t *error;
- error= (struct memcached_error_t *)libmemcached_malloc(memc, sizeof(struct memcached_error_t));
+ // For memory allocation we use our error since it is a bit more specific
+ if (local_errno == ENOMEM and rc == MEMCACHED_ERRNO)
+ {
+ rc= MEMCACHED_MEMORY_ALLOCATION_FAILURE;
+ }
+
+ if (rc == MEMCACHED_MEMORY_ALLOCATION_FAILURE)
+ {
+ local_errno= ENOMEM;
+ }
+
+ if (rc == MEMCACHED_ERRNO and not local_errno)
+ {
+ local_errno= errno;
+ rc= MEMCACHED_ERRNO;
+ }
+
+ if (rc == MEMCACHED_ERRNO and local_errno == ENOTCONN)
+ {
+ rc= MEMCACHED_CONNECTION_FAILURE;
+ }
+
+ if (rc == MEMCACHED_ERRNO and local_errno == ECONNRESET)
+ {
+ rc= MEMCACHED_CONNECTION_FAILURE;
+ }
+
+ if (local_errno == EINVAL)
+ {
+ rc= MEMCACHED_INVALID_ARGUMENTS;
+ }
+
+ if (local_errno == ECONNREFUSED)
+ {
+ rc= MEMCACHED_CONNECTION_FAILURE;
+ }
- if (! error)
+ memcached_error_t *error= libmemcached_xmalloc(&memc, memcached_error_t);
+ if (error == NULL) // Bad business if this happens
+ {
return;
+ }
- error->root= memc;
- error->query_id= memc->query_id;
+ error->root= &memc;
+ error->query_id= memc.query_id;
error->rc= rc;
error->local_errno= local_errno;
- if (str)
+ const char *errmsg_ptr;
+ char errmsg[MAX_ERROR_LENGTH];
+ errmsg[0]= 0;
+ errmsg_ptr= errmsg;
+
+ if (local_errno)
+ {
+#ifdef STRERROR_R_CHAR_P
+ errmsg_ptr= strerror_r(local_errno, errmsg, sizeof(errmsg));
+#else
+ strerror_r(local_errno, errmsg, sizeof(errmsg));
+ errmsg_ptr= errmsg;
+#endif
+ }
+
+
+ if (str and str->size and local_errno)
+ {
+ error->size= (int)snprintf(error->message, MAX_ERROR_LENGTH, "(%lu) %s(%s), %.*s -> %s",
+ long(error->root),
+ memcached_strerror(&memc, rc),
+ errmsg_ptr,
+ memcached_string_printf(*str), at);
+ }
+ else if (local_errno)
+ {
+ error->size= (int)snprintf(error->message, MAX_ERROR_LENGTH, "(%lu) %s(%s) -> %s",
+ long(error->root),
+ memcached_strerror(&memc, rc),
+ errmsg_ptr,
+ at);
+ }
+ else if (rc == MEMCACHED_PARSE_ERROR and str and str->size)
{
- size_t length= str->size > (size_t)MAX_ERROR_LENGTH ? MAX_ERROR_LENGTH : str->size;
- error->size= length;
- memcpy(error->message, str->c_str, error->size);
- error->message[error->size]= 0;
+ error->size= (int)snprintf(error->message, MAX_ERROR_LENGTH, "(%lu) %.*s -> %s",
+ long(error->root),
+ int(str->size), str->c_str, at);
+ }
+ else if (str and str->size)
+ {
+ error->size= (int)snprintf(error->message, MAX_ERROR_LENGTH, "(%lu) %s, %.*s -> %s",
+ long(error->root),
+ memcached_strerror(&memc, rc),
+ int(str->size), str->c_str, at);
}
else
{
- error->size= 0;
+ error->size= (int)snprintf(error->message, MAX_ERROR_LENGTH, "(%lu) %s -> %s",
+ long(error->root),
+ memcached_strerror(&memc, rc), at);
+ }
+
+ error->next= memc.error_messages;
+ memc.error_messages= error;
+
+#if 0
+ if (error_log_fd == -1)
+ {
+// unlink("/tmp/libmemcachd.log");
+ if ((error_log_fd= open("/tmp/libmemcachd.log", O_CREAT | O_WRONLY | O_APPEND, 0644)) < 0)
+ {
+ perror("open");
+ error_log_fd= -1;
+ }
+ }
+ ::write(error_log_fd, error->message, error->size);
+ ::write(error_log_fd, "\n", 1);
+#endif
+}
+
+memcached_return_t memcached_set_error(memcached_st& memc, memcached_return_t rc, const char *at, const char *str, size_t length)
+{
+ assert_msg(rc != MEMCACHED_ERRNO, "Programmer error, MEMCACHED_ERRNO was set to be returned to client");
+ memcached_string_t tmp= { str, length };
+ return memcached_set_error(memc, rc, at, tmp);
+}
+
+memcached_return_t memcached_set_error(org::libmemcached::Instance& self, memcached_return_t rc, const char *at, const char *str, size_t length)
+{
+ assert_msg(rc != MEMCACHED_ERRNO, "Programmer error, MEMCACHED_ERRNO was set to be returned to client");
+ assert_msg(rc != MEMCACHED_SOME_ERRORS, "Programmer error, MEMCACHED_SOME_ERRORS was about to be set on a Instance");
+
+ memcached_string_t tmp= { str, length };
+ return memcached_set_error(self, rc, at, tmp);
+}
+
+#ifndef __INTEL_COMPILER
+#pragma GCC diagnostic ignored "-Wformat-nonliteral"
+#endif
+
+memcached_return_t memcached_set_error(memcached_st& memc, memcached_return_t rc, const char *at, memcached_string_t& str)
+{
+ assert_msg(rc != MEMCACHED_ERRNO, "Programmer error, MEMCACHED_ERRNO was set to be returned to client");
+ if (memcached_fatal(rc) == false)
+ {
+ return rc;
+ }
+
+ _set(memc, &str, rc, at);
+
+ return rc;
+}
+
+memcached_return_t memcached_set_parser_error(memcached_st& memc,
+ const char *at,
+ const char *format, ...)
+{
+ va_list args;
+
+ char buffer[BUFSIZ];
+ va_start(args, format);
+ int length= vsnprintf(buffer, sizeof(buffer), format, args);
+ va_end(args);
+
+ return memcached_set_error(memc, MEMCACHED_PARSE_ERROR, at, buffer, length);
+}
+
+static inline size_t append_host_to_string(org::libmemcached::Instance& self, char* buffer, const size_t buffer_length)
+{
+ size_t size= 0;
+ switch (self.type)
+ {
+ case MEMCACHED_CONNECTION_TCP:
+ case MEMCACHED_CONNECTION_UDP:
+ size+= snprintf(buffer, buffer_length, " host: %s:%d",
+ self.hostname, int(self.port()));
+ break;
+
+ case MEMCACHED_CONNECTION_UNIX_SOCKET:
+ size+= snprintf(buffer, buffer_length, " socket: %s",
+ self.hostname);
+ break;
+ }
+
+ return size;
+}
+
+memcached_return_t memcached_set_error(org::libmemcached::Instance& self, memcached_return_t rc, const char *at, memcached_string_t& str)
+{
+ assert_msg(rc != MEMCACHED_ERRNO, "Programmer error, MEMCACHED_ERRNO was set to be returned to client");
+ assert_msg(rc != MEMCACHED_SOME_ERRORS, "Programmer error, MEMCACHED_SOME_ERRORS was about to be set on a org::libmemcached::Instance");
+ if (memcached_fatal(rc) == false)
+ {
+ return rc;
+ }
+
+ char hostname_port_message[MAX_ERROR_LENGTH];
+ char* hostname_port_message_ptr= hostname_port_message;
+ int size= 0;
+ if (str.size)
+ {
+ size= snprintf(hostname_port_message_ptr, sizeof(hostname_port_message), "%.*s, ",
+ memcached_string_printf(str));
+ hostname_port_message_ptr+= size;
+ }
+
+ size+= append_host_to_string(self, hostname_port_message_ptr, sizeof(hostname_port_message) -size);
+
+ memcached_string_t error_host= { hostname_port_message, size_t(size) };
+
+ assert(self.root);
+ if (self.root == NULL)
+ {
+ return rc;
+ }
+
+ _set(*self.root, &error_host, rc, at);
+ _set(self, (*self.root));
+ assert(self.root->error_messages);
+ assert(self.error_messages);
+
+ return rc;
+}
+
+memcached_return_t memcached_set_error(org::libmemcached::Instance& self, memcached_return_t rc, const char *at)
+{
+ assert_msg(rc != MEMCACHED_SOME_ERRORS, "Programmer error, MEMCACHED_SOME_ERRORS was about to be set on a org::libmemcached::Instance");
+ if (memcached_fatal(rc) == false)
+ {
+ return rc;
+ }
+
+ char hostname_port[NI_MAXHOST +NI_MAXSERV + sizeof("host : ")];
+ size_t size= append_host_to_string(self, hostname_port, sizeof(hostname_port));
+
+ memcached_string_t error_host= { hostname_port, size};
+
+ if (self.root == NULL)
+ {
+ return rc;
+ }
+
+ _set(*self.root, &error_host, rc, at);
+ _set(self, *self.root);
+
+ return rc;
+}
+
+memcached_return_t memcached_set_error(memcached_st& self, memcached_return_t rc, const char *at)
+{
+ assert_msg(rc != MEMCACHED_ERRNO, "Programmer error, MEMCACHED_ERRNO was set to be returned to client");
+ if (memcached_fatal(rc) == false)
+ {
+ return rc;
+ }
+
+ _set(self, NULL, rc, at);
+
+ return rc;
+}
+
+memcached_return_t memcached_set_errno(memcached_st& self, int local_errno, const char *at, const char *str, size_t length)
+{
+ memcached_string_t tmp= { str, length };
+ return memcached_set_errno(self, local_errno, at, tmp);
+}
+
+memcached_return_t memcached_set_errno(org::libmemcached::Instance& self, int local_errno, const char *at, const char *str, size_t length)
+{
+ memcached_string_t tmp= { str, length };
+ return memcached_set_errno(self, local_errno, at, tmp);
+}
+
+memcached_return_t memcached_set_errno(memcached_st& self, int local_errno, const char *at)
+{
+ if (local_errno == 0)
+ {
+ return MEMCACHED_SUCCESS;
}
- error->next= memc->error_messages;
- memc->error_messages= error;
+ memcached_return_t rc= MEMCACHED_ERRNO;
+ _set(self, NULL, rc, at, local_errno);
+
+ return rc;
}
-memcached_return_t memcached_set_error_string(memcached_st *memc, memcached_return_t rc, const char *str, size_t length)
+memcached_return_t memcached_set_errno(memcached_st& memc, int local_errno, const char *at, memcached_string_t& str)
{
- memcached_string_t tmp;
- tmp.c_str= str;
- tmp.size= length;
- return memcached_set_error(memc, rc, &tmp);
+ if (local_errno == 0)
+ {
+ return MEMCACHED_SUCCESS;
+ }
+
+ memcached_return_t rc= MEMCACHED_ERRNO;
+ _set(memc, &str, rc, at, local_errno);
+
+ return rc;
}
-memcached_return_t memcached_set_error(memcached_st *memc, memcached_return_t rc, memcached_string_t *str)
+memcached_return_t memcached_set_errno(org::libmemcached::Instance& self, int local_errno, const char *at, memcached_string_t& str)
{
- if (rc == MEMCACHED_SUCCESS)
+ if (local_errno == 0)
+ {
return MEMCACHED_SUCCESS;
+ }
+
+ char hostname_port_message[MAX_ERROR_LENGTH];
+ char* hostname_port_message_ptr= hostname_port_message;
+ size_t size= 0;
+ if (str.size)
+ {
+ size= snprintf(hostname_port_message_ptr, sizeof(hostname_port_message), "%.*s, ", memcached_string_printf(str));
+ }
+ size+= append_host_to_string(self, hostname_port_message_ptr, sizeof(hostname_port_message) -size);
+
+ memcached_string_t error_host= { hostname_port_message, size };
- _set(memc, str, rc, 0);
+ memcached_return_t rc= MEMCACHED_ERRNO;
+ if (self.root == NULL)
+ {
+ return rc;
+ }
+
+ _set(*self.root, &error_host, rc, at, local_errno);
+ _set(self, (*self.root));
return rc;
}
-memcached_return_t memcached_set_errno(memcached_st *memc, int local_errno, memcached_string_t *str)
+memcached_return_t memcached_set_errno(org::libmemcached::Instance& self, int local_errno, const char *at)
{
- _set(memc, str, MEMCACHED_ERRNO, local_errno);
+ if (local_errno == 0)
+ {
+ return MEMCACHED_SUCCESS;
+ }
+
+ char hostname_port_message[MAX_ERROR_LENGTH];
+ size_t size= append_host_to_string(self, hostname_port_message, sizeof(hostname_port_message));
+
+ memcached_string_t error_host= { hostname_port_message, size };
+
+ memcached_return_t rc= MEMCACHED_ERRNO;
+ if (self.root == NULL)
+ {
+ return rc;
+ }
- return MEMCACHED_ERRNO;
+ _set(*self.root, &error_host, rc, at, local_errno);
+ _set(self, (*self.root));
+
+ return rc;
}
static void _error_print(const memcached_error_t *error)
{
- if (! error)
+ if (error == NULL)
+ {
return;
+ }
- if (! error->size)
+ if (error->size == 0)
{
- fprintf(stderr, "%s\n", memcached_strerror(NULL, error->rc) );
+ fprintf(stderr, "\t%s\n", memcached_strerror(NULL, error->rc) );
}
else
{
- fprintf(stderr, "%s %s\n", memcached_strerror(NULL, error->rc), error->message);
+ fprintf(stderr, "\t%s %s\n", memcached_strerror(NULL, error->rc), error->message);
}
_error_print(error->next);
void memcached_error_print(const memcached_st *self)
{
- if (! self)
+ if (self == NULL)
+ {
return;
+ }
_error_print(self->error_messages);
+
+ for (uint32_t x= 0; x < memcached_server_count(self); x++)
+ {
+ org::libmemcached::Instance* instance= memcached_instance_by_position(self, x);
+
+ _error_print(instance->error_messages);
+ }
}
static void _error_free(memcached_error_t *error)
{
- if (! error)
- return;
-
- _error_free(error->next);
-
- if (error && error->root)
+ if (error)
{
+ _error_free(error->next);
+
libmemcached_free(error->root, error);
}
- else if (error)
- {
- free(error);
- }
}
-void memcached_error_free(memcached_st *self)
+void memcached_error_free(memcached_st& self)
{
- if (! self)
- return;
+ _error_free(self.error_messages);
+ self.error_messages= NULL;
+}
+
+void memcached_error_free(org::libmemcached::Instance& self)
+{
+ _error_free(self.error_messages);
+ self.error_messages= NULL;
+}
+
+void memcached_error_free(memcached_server_st& self)
+{
+ _error_free(self.error_messages);
+ self.error_messages= NULL;
+}
- _error_free(self->error_messages);
+const char *memcached_error(const memcached_st *memc)
+{
+ return memcached_last_error_message(memc);
}
-const char *memcached_last_error_message(memcached_st *memc)
+const char *memcached_last_error_message(const memcached_st *memc)
{
- if (! memc)
- return memcached_strerror(memc, MEMCACHED_INVALID_ARGUMENTS);
+ if (memc)
+ {
+ if (memc->error_messages)
+ {
+ if (memc->error_messages->size == 0)
+ {
+ return memc->error_messages->message;
+ }
+
+ return memcached_strerror(memc, memc->error_messages->rc);
+ }
- if (! memc->error_messages)
return memcached_strerror(memc, MEMCACHED_SUCCESS);
+ }
+
+ return memcached_strerror(memc, MEMCACHED_INVALID_ARGUMENTS);
+}
- if (! memc->error_messages->size)
+bool memcached_has_current_error(memcached_st &memc)
+{
+ if (memc.error_messages
+ and memc.error_messages->query_id == memc.query_id
+ and memcached_failed(memc.error_messages->rc))
{
- return memcached_strerror(memc, memc->error_messages->rc);
+ return true;
}
- return memc->error_messages->message;
+ return false;
}
-memcached_return_t memcached_last_error(memcached_st *memc)
+bool memcached_has_current_error(org::libmemcached::Instance& server)
{
- if (! memc)
- return MEMCACHED_INVALID_ARGUMENTS;
+ return memcached_has_current_error(*(server.root));
+}
+
+memcached_return_t memcached_last_error(const memcached_st *memc)
+{
+ if (memc)
+ {
+ if (memc->error_messages)
+ {
+ return memc->error_messages->rc;
+ }
- if (! memc->error_messages)
return MEMCACHED_SUCCESS;
+ }
- return memc->error_messages->rc;
+ return MEMCACHED_INVALID_ARGUMENTS;
}
-int memcached_last_error_errno(memcached_st *memc)
+int memcached_last_error_errno(const memcached_st *memc)
{
- if (! memc)
+ if (memc == NULL)
+ {
return 0;
+ }
- if (! memc->error_messages)
+ if (memc->error_messages == NULL)
+ {
return 0;
+ }
return memc->error_messages->local_errno;
}
+
+const char *memcached_server_error(const memcached_server_instance_st server)
+{
+ if (server == NULL)
+ {
+ return NULL;
+ }
+
+ if (server->error_messages == NULL)
+ {
+ return memcached_strerror(server->root, MEMCACHED_SUCCESS);
+ }
+
+ if (server->error_messages->size == 0)
+ {
+ return memcached_strerror(server->root, server->error_messages->rc);
+ }
+
+ return server->error_messages->message;
+}
+
+
+memcached_error_t *memcached_error_copy(const org::libmemcached::Instance& server)
+{
+ if (server.error_messages == NULL)
+ {
+ return NULL;
+ }
+
+ memcached_error_t *error= libmemcached_xmalloc(server.root, memcached_error_t);
+ memcpy(error, server.error_messages, sizeof(memcached_error_t));
+ error->next= NULL;
+
+ return error;
+}
+
+memcached_return_t memcached_server_error_return(memcached_server_instance_st ptr)
+{
+ if (ptr == NULL)
+ {
+ return MEMCACHED_INVALID_ARGUMENTS;
+ }
+
+ if (ptr and ptr->error_messages)
+ {
+ return ptr->error_messages->rc;
+ }
+
+ return MEMCACHED_SUCCESS;
+}
+
+memcached_return_t memcached_instance_error_return(org::libmemcached::Instance* instance)
+{
+ if (instance == NULL)
+ {
+ return MEMCACHED_INVALID_ARGUMENTS;
+ }
+
+ if (instance and instance->error_messages)
+ {
+ return instance->error_messages->rc;
+ }
+
+ return MEMCACHED_SUCCESS;
+}
projects / awesomized / libmemcached / blobdiff