X-Git-Url: https://git.m6w6.name/?a=blobdiff_plain;f=lib%2Fmemcached_get.c;h=77bc68aa60df63a1f78a213263121cb3d2e714c6;hb=e69bb33d8da40ded7f7a58a321b9f220b6651c8c;hp=0b775d3d7a0c467627648cc6e4605aa011504cd3;hpb=ccd00450d57624afba24bfbb6e76d1d69d0ad0f8;p=awesomized%2Flibmemcached diff --git a/lib/memcached_get.c b/lib/memcached_get.c index 0b775d3d..77bc68aa 100644 --- a/lib/memcached_get.c +++ b/lib/memcached_get.c @@ -1,4 +1,4 @@ -#include +#include "common.h" static char *memcached_value_fetch(memcached_st *ptr, char *key, size_t *key_length, size_t *value_length, @@ -15,11 +15,11 @@ static char *memcached_value_fetch(memcached_st *ptr, char *key, size_t *key_len assert(flags); assert(error); + memset(buffer, 0, MEMCACHED_DEFAULT_COMMAND_SIZE); end_ptr= buffer + MEMCACHED_DEFAULT_COMMAND_SIZE; *value_length= 0; - memset(buffer, 0, MEMCACHED_DEFAULT_COMMAND_SIZE); *error= memcached_response(ptr, buffer, MEMCACHED_DEFAULT_COMMAND_SIZE, server_key); if (*error == MEMCACHED_SUCCESS) @@ -113,6 +113,8 @@ static char *memcached_value_fetch(memcached_st *ptr, char *key, size_t *key_len return value; } } + else if (*error == MEMCACHED_END) + *error= MEMCACHED_NOTFOUND; return NULL; read_error: @@ -128,28 +130,58 @@ char *memcached_get(memcached_st *ptr, char *key, size_t key_length, size_t send_length; char buffer[MEMCACHED_DEFAULT_COMMAND_SIZE]; unsigned int server_key; + char *value; + LIBMEMCACHED_MEMCACHED_GET_START(); *value_length= 0; *error= memcached_connect(ptr); if (*error != MEMCACHED_SUCCESS) - return NULL; + goto error; server_key= memcached_generate_hash(key, key_length) % ptr->number_of_hosts; send_length= snprintf(buffer, MEMCACHED_DEFAULT_COMMAND_SIZE, "get %.*s\r\n", (int)key_length, key); - if (*error != MEMCACHED_SUCCESS) - return NULL; - if ((send(ptr->hosts[server_key].fd, buffer, send_length, 0) == -1)) { *error= MEMCACHED_WRITE_FAILURE; - return NULL; + goto error; } - return memcached_value_fetch(ptr, key, &key_length, value_length, flags, + value= memcached_value_fetch(ptr, key, &key_length, value_length, flags, error, 0, server_key); + if (*error == MEMCACHED_END && *value_length == 0) + { + *error= MEMCACHED_NOTFOUND; + goto error; + } + else if (*error == MEMCACHED_SUCCESS) + { + memcached_return rc; + /* We need to read END */ + rc= memcached_response(ptr, buffer, MEMCACHED_DEFAULT_COMMAND_SIZE, server_key); + + if (rc != MEMCACHED_END) + { + *error= MEMCACHED_PROTOCOL_ERROR; + goto error; + } + } + else + goto error; + + LIBMEMCACHED_MEMCACHED_GET_END(); + + return value; + +error: + free(value); + *value_length= 0; + + LIBMEMCACHED_MEMCACHED_GET_END(); + + return NULL; } memcached_return memcached_mget(memcached_st *ptr, @@ -160,6 +192,7 @@ memcached_return memcached_mget(memcached_st *ptr, unsigned int x; memcached_return rc; memcached_string_st **cursor_key_exec; + LIBMEMCACHED_MEMCACHED_MGET_START(); ptr->cursor_server= 0; memset(buffer, 0, HUGE_STRING_LEN); @@ -225,6 +258,7 @@ memcached_return memcached_mget(memcached_st *ptr, free(cursor_key_exec); + LIBMEMCACHED_MEMCACHED_MGET_END(); return rc; }