X-Git-Url: https://git.m6w6.name/?a=blobdiff_plain;f=lib%2Fmemcached_get.c;h=01f388c91069e68ef9383de0fc00cfeed393f1f5;hb=d4dc795f136a3a652c5b13b4d818345c6080bceb;hp=8ec8cb1c2eddd9e49ae91460ff1e8be296d9f20d;hpb=174e1d4d3011843e7e909c9b378b888c67d02538;p=awesomized%2Flibmemcached diff --git a/lib/memcached_get.c b/lib/memcached_get.c index 8ec8cb1c..01f388c9 100644 --- a/lib/memcached_get.c +++ b/lib/memcached_get.c @@ -1,13 +1,13 @@ #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, - uint16_t *flags, - memcached_return *error, - char load_key, - unsigned int server_key) +static memcached_return memcached_value_fetch(memcached_st *ptr, char *key, size_t *key_length, + memcached_string_st *value, + uint16_t *flags, + char load_key, + unsigned int server_key) { + memcached_return rc; char buffer[MEMCACHED_DEFAULT_COMMAND_SIZE]; char *string_ptr; char *end_ptr; @@ -15,14 +15,16 @@ static char *memcached_value_fetch(memcached_st *ptr, char *key, size_t *key_len memset(buffer, 0, MEMCACHED_DEFAULT_COMMAND_SIZE); end_ptr= buffer + MEMCACHED_DEFAULT_COMMAND_SIZE; - *value_length= 0; *flags= 0; - *error= memcached_response(ptr, buffer, MEMCACHED_DEFAULT_COMMAND_SIZE, server_key); + memcached_string_reset(value); + + rc= memcached_response(ptr, buffer, MEMCACHED_DEFAULT_COMMAND_SIZE, server_key); - if (*error == MEMCACHED_SUCCESS) + if (rc == MEMCACHED_SUCCESS) { char *next_ptr; + size_t value_length; string_ptr= buffer; string_ptr+= 6; /* "VALUE " */ @@ -62,7 +64,7 @@ static char *memcached_value_fetch(memcached_st *ptr, char *key, size_t *key_len goto read_error; for (next_ptr= string_ptr; end_ptr > string_ptr && *string_ptr != ' '; string_ptr++); - *value_length= (size_t)strtoll(next_ptr, &string_ptr, 10); + value_length= (size_t)strtoll(next_ptr, &string_ptr, 10); if (end_ptr == string_ptr) goto read_error; @@ -73,24 +75,21 @@ static char *memcached_value_fetch(memcached_st *ptr, char *key, size_t *key_len if (end_ptr < string_ptr) goto read_error; - if (*value_length) + if (value_length) { size_t read_length; size_t to_read; - char *value; char *value_ptr; /* We add two bytes so that we can walk the \r\n */ - value= (char *)malloc(((*value_length) +2) * sizeof(char)); - if (!value) + rc= memcached_string_check(value, value_length+2); + if (rc != MEMCACHED_SUCCESS) { - *value_length= 0; - *error= MEMCACHED_MEMORY_ALLOCATION_FAILURE; - return NULL; + value_length= 0; + return MEMCACHED_MEMORY_ALLOCATION_FAILURE; } - memset(value, 0, ((*value_length) +2) * sizeof(char)); - value_ptr= value; + value_ptr= memcached_string_value(value); read_length= 0; /* We read the \r\n into the string since not doing so is more @@ -99,30 +98,35 @@ static char *memcached_value_fetch(memcached_st *ptr, char *key, size_t *key_len We are null terminating through, which will most likely make some people lazy about using the return length. */ - to_read= (*value_length) + 2; + to_read= (value_length) + 2; read_length= memcached_io_read(ptr, server_key, value_ptr, to_read); - if (read_length != (size_t)(*value_length + 2)) + if (read_length != (size_t)(value_length + 2)) { - free(value); goto read_error; } - value[*value_length]= 0; - value[(*value_length) + 1]= 0; + /* This next bit blows the API, but this is internal....*/ + { + char *char_ptr; + char_ptr= memcached_string_value(value);; + char_ptr[value_length]= 0; + char_ptr[value_length + 1]= 0; + memcached_string_set_length(value, value_length); + } - return value; + return MEMCACHED_SUCCESS; } } - else if (*error == MEMCACHED_END) - *error= MEMCACHED_NOTFOUND; + else if (rc == MEMCACHED_END) + rc= MEMCACHED_NOTFOUND; + + return rc; - return NULL; read_error: - *error= MEMCACHED_PARTIAL_READ; - return NULL; + return MEMCACHED_PARTIAL_READ; } /* @@ -136,10 +140,11 @@ char *memcached_get(memcached_st *ptr, char *key, size_t key_length, char buffer[MEMCACHED_DEFAULT_COMMAND_SIZE]; char *buf_ptr= buffer; unsigned int server_key; - char *value= NULL; + memcached_string_st *result_buffer; LIBMEMCACHED_MEMCACHED_GET_START(); server_key= memcached_generate_hash(ptr, key, key_length); + result_buffer= &ptr->result_buffer; *value_length= 0; *error= memcached_connect(ptr, server_key); @@ -160,8 +165,9 @@ char *memcached_get(memcached_st *ptr, char *key, size_t key_length, goto error; } - value= memcached_value_fetch(ptr, key, &key_length, value_length, flags, - error, 0, server_key); + *error= memcached_value_fetch(ptr, key, &key_length, result_buffer, + flags, 0, server_key); + *value_length= memcached_string_length(result_buffer); if (*error == MEMCACHED_END && *value_length == 0) { *error= MEMCACHED_NOTFOUND; @@ -188,10 +194,10 @@ char *memcached_get(memcached_st *ptr, char *key, size_t key_length, LIBMEMCACHED_MEMCACHED_GET_END(); - return value; + + return memcached_string_c_copy(result_buffer); error: - free(value); *value_length= 0; LIBMEMCACHED_MEMCACHED_GET_END(); @@ -282,7 +288,8 @@ char *memcached_fetch(memcached_st *ptr, char *key, size_t *key_length, uint16_t *flags, memcached_return *error) { - char *value_check; + memcached_string_st *result_buffer; + result_buffer= &ptr->result_buffer; while (ptr->cursor_server < ptr->number_of_hosts) { @@ -292,8 +299,9 @@ char *memcached_fetch(memcached_st *ptr, char *key, size_t *key_length, continue; } - value_check= memcached_value_fetch(ptr, key, key_length, value_length, flags, - error, 1, ptr->cursor_server); + *error = memcached_value_fetch(ptr, key, key_length, result_buffer, + flags, 1, ptr->cursor_server); + *value_length= memcached_string_length(result_buffer); if (*error == MEMCACHED_NOTFOUND) ptr->cursor_server++; @@ -302,11 +310,12 @@ char *memcached_fetch(memcached_st *ptr, char *key, size_t *key_length, else if (*error == MEMCACHED_END) { WATCHPOINT_ASSERT(0); /* If this happens we have somehow messed up the fetch */ + return NULL; } else if (*error != MEMCACHED_SUCCESS) return NULL; else - return value_check; + return memcached_string_c_copy(result_buffer); } @@ -314,11 +323,12 @@ char *memcached_fetch(memcached_st *ptr, char *key, size_t *key_length, return NULL; } -#ifdef NOT_YET -char *memcached_fetch_result(memcached_st *ptr, memcached_result_st *result, - memcached_return *error) +memcached_result_st *memcached_fetch_result(memcached_st *ptr, + memcached_result_st *result, + memcached_return *error) { - char *value_check; + if (result == NULL) + result= memcached_result_create(ptr, NULL); while (ptr->cursor_server < ptr->number_of_hosts) { @@ -328,25 +338,26 @@ char *memcached_fetch_result(memcached_st *ptr, memcached_result_st *result, continue; } - value_check= memcached_value_fetch(ptr, key, key_length, value_length, flags, - error, 1, ptr->cursor_server); + *error= memcached_value_fetch(ptr, result->key, &result->key_length, + &result->value, + &result->flags, + 1, ptr->cursor_server); if (*error == MEMCACHED_NOTFOUND) ptr->cursor_server++; - else if (*error == MEMCACHED_END && *value_length == 0) + else if (*error == MEMCACHED_END && memcached_string_length((memcached_string_st *)(&result->value)) == 0) return NULL; else if (*error == MEMCACHED_END) { WATCHPOINT_ASSERT(0); /* If this happens we have somehow messed up the fetch */ + return NULL; } else if (*error != MEMCACHED_SUCCESS) return NULL; else - return value_check; + return result; } - *value_length= 0; return NULL; } -#endif