X-Git-Url: https://git.m6w6.name/?a=blobdiff_plain;f=lib%2Fmemcached_get.c;h=8ea1fabc964c59888be79358d167304fc65f0fb0;hb=d3ef73cd144dfdbcaff41d3373e4458fb351f7af;hp=aedfd0013c8cf0b9edbddad793cf77f5b5aa9eaa;hpb=0f2ad14d692b5bb7d0340681391862df8948f0f0;p=m6w6%2Flibmemcached diff --git a/lib/memcached_get.c b/lib/memcached_get.c index aedfd001..8ea1fabc 100644 --- a/lib/memcached_get.c +++ b/lib/memcached_get.c @@ -1,4 +1,5 @@ #include "common.h" +#include "memcached_io.h" static char *memcached_value_fetch(memcached_st *ptr, char *key, size_t *key_length, size_t *value_length, @@ -15,11 +16,11 @@ 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) @@ -33,10 +34,13 @@ static char *memcached_value_fetch(memcached_st *ptr, char *key, size_t *key_len if (load_key) { memset(key, 0, MEMCACHED_MAX_KEY); + *key_length= 0; + for (; end_ptr == string_ptr || *string_ptr != ' '; string_ptr++) { *key= *string_ptr; key++; + (*key_length)++; } } else /* Skip characters */ @@ -75,7 +79,6 @@ static char *memcached_value_fetch(memcached_st *ptr, char *key, size_t *key_len if (*value_length) { size_t read_length; - size_t partial_length; size_t to_read; char *value; char *value_ptr; @@ -94,15 +97,9 @@ static char *memcached_value_fetch(memcached_st *ptr, char *key, size_t *key_len value_ptr= value; read_length= 0; to_read= (*value_length) + 2; - /* This is overkill */ - while ((partial_length= recv(ptr->hosts[server_key].fd, value_ptr, to_read, 0)) > 0) - { - value_ptr+= partial_length; - read_length+= partial_length; - to_read-= partial_length; - if (read_length == (size_t)(*value_length + 2)) - break; - } + + read_length= memcached_io_read(ptr, server_key, + value_ptr, to_read); if (read_length != (size_t)(*value_length + 2)) { @@ -113,6 +110,8 @@ 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: @@ -129,41 +128,58 @@ char *memcached_get(memcached_st *ptr, char *key, size_t key_length, char buffer[MEMCACHED_DEFAULT_COMMAND_SIZE]; unsigned int server_key; char *value; - memcached_return rc; 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; + server_key= memcached_generate_hash(ptr, key, key_length); 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)) + if ((memcached_io_write(ptr, server_key, buffer, send_length, 1)) == -1) { *error= MEMCACHED_WRITE_FAILURE; - return NULL; + goto error; } value= memcached_value_fetch(ptr, key, &key_length, value_length, flags, error, 0, server_key); - /* We need to read END */ - rc= memcached_response(ptr, buffer, MEMCACHED_DEFAULT_COMMAND_SIZE, server_key); - if (rc != MEMCACHED_NOTFOUND) + if (*error == MEMCACHED_END && *value_length == 0) { - free(value); - *value_length= 0; - *error= MEMCACHED_PROTOCOL_ERROR; + *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, @@ -192,7 +208,7 @@ memcached_return memcached_mget(memcached_st *ptr, { unsigned int server_key; - server_key= memcached_generate_hash(keys[x], key_length[x]) % ptr->number_of_hosts; + server_key= memcached_generate_hash(ptr, keys[x], key_length[x]); if (cursor_key_exec[server_key]) { @@ -203,7 +219,7 @@ memcached_return memcached_mget(memcached_st *ptr, } else { - memcached_string_st *string= memcached_string_init(ptr, SMALL_STRING_LEN); + memcached_string_st *string= memcached_string_create(ptr, SMALL_STRING_LEN); /* We need to figure out the correct way to error in case of this failure */ if (!string) @@ -227,8 +243,8 @@ memcached_return memcached_mget(memcached_st *ptr, memcached_string_st *string= cursor_key_exec[x]; memcached_string_append(ptr, string, "\r\n", 2); - if ((send(ptr->hosts[x].fd, string->string, - memcached_string_length(ptr, string), 0) == -1)) + if ((memcached_io_write(ptr, x, string->string, + memcached_string_length(ptr, string), 1)) == -1) { memcached_quit(ptr); rc= MEMCACHED_SOME_ERRORS;