X-Git-Url: https://git.m6w6.name/?a=blobdiff_plain;f=libmemcached%2Fserver.c;h=4fe676b05a82691493c326f61ed4962bb83e9cea;hb=b048aacba5d279f3271163cfaa0704684beca1e2;hp=bcc211f655a4e9e88aa73aac4868970ab2c6ae1d;hpb=6bd950c979c31a5cf84c7bdaaad9bccc789a0eb1;p=awesomized%2Flibmemcached diff --git a/libmemcached/server.c b/libmemcached/server.c index bcc211f6..4fe676b0 100644 --- a/libmemcached/server.c +++ b/libmemcached/server.c @@ -12,13 +12,14 @@ /* This is a partial implementation for fetching/creating memcached_server_st objects. */ -#include "common.h" +#include 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) { - self->options.sockaddr_inited= false; + self->options.is_shutting_down= false; + self->options.is_dead= false; self->number_of_hosts= 0; self->cursor_active= 0; self->port= port; @@ -26,11 +27,12 @@ static inline void _server_init(memcached_server_st *self, const memcached_st *r 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->weight= weight ? weight : 1; // 1 is the default weight value + WATCHPOINT_SET(self->io_wait_count.read= 0); + WATCHPOINT_SET(self->io_wait_count.write= 0); + self->major_version= UINT8_MAX; + self->micro_version= UINT8_MAX; + self->minor_version= UINT8_MAX; self->type= type; self->read_ptr= self->read_buffer; self->cached_server_error= NULL; @@ -38,6 +40,7 @@ static inline void _server_init(memcached_server_st *self, const memcached_st *r self->read_data_length= 0; self->write_buffer_offset= 0; self->address_info= NULL; + self->address_info_next= NULL; if (root) { @@ -48,12 +51,21 @@ static inline void _server_init(memcached_server_st *self, const memcached_st *r self->next_retry= 0; } + if (self->weight > 1 && root) + { + ((memcached_st *)root)->ketama.weighted= true; + } + self->root= root; self->limit_maxbytes= 0; if (hostname == NULL) + { self->hostname[0]= 0; + } else - strncpy(self->hostname, hostname, MEMCACHED_MAX_HOST_LENGTH - 1); + { + strncpy(self->hostname, hostname, NI_MAXHOST - 1); + } } static memcached_server_st *_server_create(memcached_server_st *self, const memcached_st *memc) @@ -77,7 +89,8 @@ static memcached_server_st *_server_create(memcached_server_st *self, const memc return self; } -memcached_server_st *memcached_server_create_with(const memcached_st *memc, memcached_server_st *self, +memcached_server_st *memcached_server_create_with(const memcached_st *memc, + memcached_server_write_instance_st self, const char *hostname, in_port_t port, uint32_t weight, memcached_connection_t type) { @@ -100,7 +113,7 @@ memcached_server_st *memcached_server_create_with(const memcached_st *memc, memc void memcached_server_free(memcached_server_st *self) { - memcached_quit_server(self, 0); + memcached_quit_server(self, false); if (self->cached_server_error) free(self->cached_server_error); @@ -110,7 +123,14 @@ void memcached_server_free(memcached_server_st *self) if (memcached_is_allocated(self)) { - libmemcached_free(self->root, self); + if (self->root) + { + libmemcached_free(self->root, self); + } + else + { + free(self); + } } else { @@ -143,24 +163,27 @@ memcached_server_st *memcached_server_clone(memcached_server_st *destination, } -memcached_return_t memcached_server_cursor(memcached_st *ptr, - memcached_server_fn *callback, +memcached_return_t memcached_server_cursor(const memcached_st *ptr, + const memcached_server_fn *callback, void *context, uint32_t number_of_callbacks) { - uint32_t y; + memcached_return_t rc; + if ((rc= initialize_const_query(ptr)) != MEMCACHED_SUCCESS) + { + return rc; + } - for (y= 0; y < memcached_server_count(ptr); y++) + for (uint32_t x= 0; x < memcached_server_count(ptr); x++) { - uint32_t x; - memcached_server_instance_st *instance= - memcached_server_instance_fetch(ptr, y); + memcached_server_instance_st instance= + memcached_server_instance_by_position(ptr, x); - for (x= 0; x < number_of_callbacks; x++) + for (uint32_t y= 0; y < number_of_callbacks; y++) { unsigned int iferror; - iferror= (*callback[x])(ptr, instance, context); + iferror= (*callback[y])(ptr, instance, context); if (iferror) continue; @@ -170,19 +193,48 @@ memcached_return_t memcached_server_cursor(memcached_st *ptr, return MEMCACHED_SUCCESS; } -memcached_server_st *memcached_server_by_key(memcached_st *ptr, const char *key, size_t key_length, memcached_return_t *error) +memcached_return_t memcached_server_execute(memcached_st *ptr, + memcached_server_execute_fn callback, + void *context) +{ + for (uint32_t x= 0; x < memcached_server_count(ptr); x++) + { + memcached_server_write_instance_st instance= + memcached_server_instance_fetch(ptr, x); + + unsigned int iferror; + + iferror= (*callback)(ptr, instance, context); + + if (iferror) + continue; + } + + return MEMCACHED_SUCCESS; +} + +memcached_server_instance_st memcached_server_by_key(const memcached_st *ptr, + const char *key, + size_t key_length, + memcached_return_t *error) { uint32_t server_key; - memcached_server_instance_st *instance; + memcached_server_instance_st instance; + + memcached_return_t rc; + if ((rc= initialize_const_query(ptr)) != MEMCACHED_SUCCESS) + { + if (error) + *error= rc; - *error= memcached_validate_key_length(key_length, - ptr->flags.binary_protocol); - unlikely (*error != MEMCACHED_SUCCESS) return NULL; + } - unlikely (memcached_server_count(ptr) == 0) + if ((rc= memcached_validate_key_length(key_length, ptr->flags.binary_protocol)) != MEMCACHED_SUCCESS) { - *error= MEMCACHED_NO_SERVERS; + if (error) + *error= rc; + return NULL; } @@ -193,37 +245,104 @@ memcached_server_st *memcached_server_by_key(memcached_st *ptr, const char *key } server_key= memcached_generate_hash(ptr, key, key_length); - instance= memcached_server_instance_fetch(ptr, server_key); + instance= memcached_server_instance_by_position(ptr, server_key); - return memcached_server_clone(NULL, instance); + return instance; } -const char *memcached_server_error(memcached_server_st *ptr) +void memcached_server_error_reset(memcached_server_st *self) { - return ptr - ? ptr->cached_server_error - : NULL; + WATCHPOINT_ASSERT(self); + if (! self) + return; + + self->cached_server_error[0]= 0; } -void memcached_server_error_reset(memcached_server_st *ptr) +memcached_server_instance_st memcached_server_get_last_disconnect(const memcached_st *self) { - ptr->cached_server_error[0]= 0; + WATCHPOINT_ASSERT(self); + if (! self) + return 0; + + return self->last_disconnected_server; } -memcached_server_st *memcached_server_get_last_disconnect(memcached_st *ptr) +void memcached_server_list_free(memcached_server_list_st self) { - return ptr->last_disconnected_server; + if (self == NULL) + return; + + for (uint32_t x= 0; x < memcached_server_list_count(self); x++) + { + if (self[x].address_info) + { + freeaddrinfo(self[x].address_info); + self[x].address_info= NULL; + } + } + + const memcached_st *root= self->root; + if (root) + { + libmemcached_free(root, self); + } + else + { + free(self); + } +} + +uint32_t memcached_servers_set_count(memcached_server_st *servers, uint32_t count) +{ + WATCHPOINT_ASSERT(servers); + if (! servers) + return 0; + + return servers->number_of_hosts= count; +} + +uint32_t memcached_server_count(const memcached_st *self) +{ + WATCHPOINT_ASSERT(self); + if (! self) + return 0; + + return self->number_of_hosts; +} + +const char *memcached_server_name(memcached_server_instance_st self) +{ + WATCHPOINT_ASSERT(self); + if (! self) + return NULL; + + return self->hostname; } -uint32_t memcached_server_list_count(memcached_server_st *ptr) +in_port_t memcached_server_port(memcached_server_instance_st self) { - return (ptr == NULL) - ? 0 - : memcached_servers_count(ptr); + WATCHPOINT_ASSERT(self); + if (! self) + return 0; + + return self->port; +} + +uint32_t memcached_server_response_count(memcached_server_instance_st self) +{ + WATCHPOINT_ASSERT(self); + if (! self) + return 0; + + return self->cursor_active; } -void memcached_server_list_free(memcached_server_st *ptr) +const char *memcached_server_error(memcached_server_instance_st ptr) { - server_list_free(NULL, ptr); + return ptr + ? ptr->cached_server_error + : NULL; } +