X-Git-Url: https://git.m6w6.name/?a=blobdiff_plain;f=libmemcached%2Fserver.c;h=f480750d8679079c5003ce4448c834777da91c6d;hb=2c51ea585ccfbf3a14fed6d28f9115292ad0e6fc;hp=a342676948009e80f85ea50ac7b5f3a599b02abe;hpb=addf09c6f6cf93f980f3de9cf649258c965b2934;p=awesomized%2Flibmemcached diff --git a/libmemcached/server.c b/libmemcached/server.c index a3426769..f480750d 100644 --- a/libmemcached/server.c +++ b/libmemcached/server.c @@ -14,98 +14,133 @@ */ #include "common.h" -static memcached_server_st *_server_create(const memcached_st *memc, memcached_server_st *ptr) +static inline void _server_init(memcached_server_st *self, const memcached_st *root, + const char *hostname, in_port_t port, + uint32_t weight, memcached_connection_t type) { - if (ptr == NULL) + self->options.sockaddr_inited= false; + self->options.is_shutting_down= false; + self->number_of_hosts= 0; + self->cursor_active= 0; + self->port= port; + self->cached_errno= 0; + self->fd= -1; + self->io_bytes_sent= 0; + self->server_failure_counter= 0; + self->weight= weight; + self->state.is_corked= false; + self->major_version= 0; + self->micro_version= 0; + self->minor_version= 0; + self->type= type; + self->read_ptr= self->read_buffer; + self->cached_server_error= NULL; + self->read_buffer_length= 0; + self->read_data_length= 0; + self->write_buffer_offset= 0; + self->address_info= NULL; + + if (root) { - ptr= (memcached_server_st *)memc->call_calloc(memc, 1, sizeof(memcached_server_st)); + self->next_retry= root->retry_timeout; + } + else + { + self->next_retry= 0; + } + + self->root= root; + self->limit_maxbytes= 0; + if (hostname == NULL) + self->hostname[0]= 0; + else + strncpy(self->hostname, hostname, NI_MAXHOST - 1); +} + +static memcached_server_st *_server_create(memcached_server_st *self, const memcached_st *memc) +{ + if (self == NULL) + { + self= (memcached_server_st *)libmemcached_malloc(memc, sizeof(memcached_server_st)); - if (!ptr) + if (! self) return NULL; /* MEMCACHED_MEMORY_ALLOCATION_FAILURE */ - ptr->options.is_allocated= true; + self->options.is_allocated= true; } else { - memset(ptr, 0, sizeof(memcached_server_st)); + self->options.is_allocated= false; } - ptr->root= memc; + self->options.is_initialized= true; - return ptr; + return self; } -memcached_server_st *memcached_server_create_with(const memcached_st *memc, memcached_server_st *host, +memcached_server_st *memcached_server_create_with(const memcached_st *memc, memcached_server_st *self, const char *hostname, in_port_t port, uint32_t weight, memcached_connection_t type) { - host= _server_create(memc, host); + self= _server_create(self, memc); - if (host == NULL) + if (self == NULL) return NULL; - strncpy(host->hostname, hostname, MEMCACHED_MAX_HOST_LENGTH - 1); - host->root= memc ? memc : NULL; - host->port= port; - host->weight= weight; - host->fd= -1; - host->type= type; - host->read_ptr= host->read_buffer; - host->state.is_corked= 0; - if (memc) - host->next_retry= memc->retry_timeout; + _server_init(self, memc, hostname, port, weight, type); + + if (type == MEMCACHED_CONNECTION_UDP) { - host->write_buffer_offset= UDP_DATAGRAM_HEADER_LENGTH; - memcached_io_init_udp_header(host, 0); + self->write_buffer_offset= UDP_DATAGRAM_HEADER_LENGTH; + memcached_io_init_udp_header(self, 0); } - return host; + return self; } -void memcached_server_free(memcached_server_st *ptr) +void memcached_server_free(memcached_server_st *self) { - memcached_quit_server(ptr, 0); + memcached_quit_server(self, false); - if (ptr->cached_server_error) - free(ptr->cached_server_error); + if (self->cached_server_error) + free(self->cached_server_error); - if (ptr->address_info) - freeaddrinfo(ptr->address_info); + if (self->address_info) + freeaddrinfo(self->address_info); - - if (memcached_is_allocated(ptr)) + if (memcached_is_allocated(self)) { - ptr->root->call_free(ptr->root, ptr); + libmemcached_free(self->root, self); } else { - memset(ptr, 0, sizeof(memcached_server_st)); + self->options.is_initialized= false; } } /* If we do not have a valid object to clone from, we toss an error. */ -memcached_server_st *memcached_server_clone(memcached_server_st *clone, memcached_server_st *ptr) +memcached_server_st *memcached_server_clone(memcached_server_st *destination, + const memcached_server_st *source) { - memcached_server_st *rv= NULL; - - /* We just do a normal create if ptr is missing */ - if (ptr == NULL) + /* We just do a normal create if source is missing */ + if (source == NULL) return NULL; - rv= memcached_server_create_with(ptr->root, clone, - ptr->hostname, ptr->port, ptr->weight, - ptr->type); - if (rv != NULL) + destination= memcached_server_create_with(source->root, destination, + source->hostname, source->port, source->weight, + source->type); + if (destination != NULL) { - rv->cached_errno= ptr->cached_errno; - if (ptr->cached_server_error) - rv->cached_server_error= strdup(ptr->cached_server_error); + destination->cached_errno= source->cached_errno; + + if (source->cached_server_error) + destination->cached_server_error= strdup(source->cached_server_error); } - return rv; + return destination; } @@ -193,3 +228,38 @@ void memcached_server_list_free(memcached_server_st *ptr) { server_list_free(NULL, ptr); } + +/** + @todo allow lists to query themselves even if they lack a root +*/ +memcached_return_t memcached_server_remove(memcached_server_st *st_ptr) +{ + uint32_t x, host_index; + memcached_st *root= (memcached_st *)st_ptr->root; + memcached_server_st *list; + + if (root == NULL) + return MEMCACHED_FAILURE; + + list= memcached_server_list(root); + + for (x= 0, host_index= 0; x < memcached_server_count(root); x++) + { + if (strncmp(list[x].hostname, st_ptr->hostname, NI_MAXHOST) != 0 || list[x].port != st_ptr->port) + { + if (host_index != x) + memcpy(list+host_index, list+x, sizeof(memcached_server_st)); + host_index++; + } + } + root->number_of_hosts= host_index; + + if (st_ptr->address_info) + { + freeaddrinfo(st_ptr->address_info); + st_ptr->address_info= NULL; + } + run_distribution(root); + + return MEMCACHED_SUCCESS; +}