+ 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;