X-Git-Url: https://git.m6w6.name/?a=blobdiff_plain;ds=sidebyside;f=lib%2Fmemcached_fetch.c;h=37cec5d30366a857b9e99f7e7424170a5ff75326;hb=d25116faa1082bce63d0699d6f2442fcd569cfa4;hp=ac4f49112c51e7c88e1a348b1bedf49b78511452;hpb=fdd0e00773ce7928205f725ba5319c94744471a0;p=m6w6%2Flibmemcached diff --git a/lib/memcached_fetch.c b/lib/memcached_fetch.c index ac4f4911..37cec5d3 100644 --- a/lib/memcached_fetch.c +++ b/lib/memcached_fetch.c @@ -1,174 +1,174 @@ #include "common.h" #include "memcached_io.h" -static memcached_return memcached_value_fetch(memcached_st *ptr, char *key, size_t *key_length, - memcached_string_st *value, - uint16_t *flags, - uint64_t *cas, - unsigned int server_key) +memcached_return value_fetch(memcached_server_st *ptr, + char *buffer, + memcached_result_st *result) { - memcached_return rc; - char buffer[MEMCACHED_DEFAULT_COMMAND_SIZE]; + memcached_return rc= MEMCACHED_SUCCESS; char *string_ptr; char *end_ptr; + char *next_ptr; + size_t value_length; + size_t read_length; + size_t to_read; + char *value_ptr; end_ptr= buffer + MEMCACHED_DEFAULT_COMMAND_SIZE; - if (flags) - *flags= 0; + result->key_length= 0; + result->flags= 0; + memcached_string_reset(&result->value); - memcached_string_reset(value); + string_ptr= buffer; + string_ptr+= 6; /* "VALUE " */ - rc= memcached_response(ptr, buffer, MEMCACHED_DEFAULT_COMMAND_SIZE, server_key); - - if (rc == MEMCACHED_SUCCESS) + /* We load the key */ { - char *next_ptr; - size_t value_length; + char *key; - string_ptr= buffer; - string_ptr+= 6; /* "VALUE " */ + key= result->key; + result->key_length= 0; - /* We load the key */ - if (key) + for (; isgraph(*string_ptr); string_ptr++) { - *key_length= 0; - - for (; isalnum(*string_ptr); string_ptr++) - { - *key= *string_ptr; - key++; - (*key_length)++; - } + *key= *string_ptr; + key++; + result->key_length++; } - else /* Skip characters */ - for (; isalnum(*string_ptr); string_ptr++); - - if (end_ptr == string_ptr) - goto read_error; - - /* Flags fetch move past space */ - string_ptr++; - if (end_ptr == string_ptr) - goto read_error; - for (next_ptr= string_ptr; isdigit(*string_ptr); string_ptr++); - if (flags) - *flags= (uint16_t)strtol(next_ptr, &string_ptr, 10); - - if (end_ptr == string_ptr) - goto read_error; + result->key[result->key_length]= 0; + } - /* Length fetch move past space*/ - string_ptr++; - if (end_ptr == string_ptr) - goto read_error; + if (end_ptr == string_ptr) + goto read_error; - for (next_ptr= string_ptr; isdigit(*string_ptr); string_ptr++); - value_length= (size_t)strtoll(next_ptr, &string_ptr, 10); + /* Flags fetch move past space */ + string_ptr++; + if (end_ptr == string_ptr) + goto read_error; + for (next_ptr= string_ptr; isdigit(*string_ptr); string_ptr++); + result->flags= (uint32_t)strtol(next_ptr, &string_ptr, 10); - if (end_ptr == string_ptr) - goto read_error; + if (end_ptr == string_ptr) + goto read_error; - /* Skip spaces */ - if (*string_ptr == '\r') - { - /* Skip past the \r\n */ - string_ptr+= 2; - } - else - { - string_ptr++; - for (next_ptr= string_ptr; isdigit(*string_ptr); string_ptr++); - if (cas) - *cas= (size_t)strtoll(next_ptr, &string_ptr, 10); - } + /* Length fetch move past space*/ + string_ptr++; + if (end_ptr == string_ptr) + goto read_error; - if (end_ptr < string_ptr) - goto read_error; + for (next_ptr= string_ptr; isdigit(*string_ptr); string_ptr++); + value_length= (size_t)strtoll(next_ptr, &string_ptr, 10); - if (value_length) - { - size_t read_length; - size_t to_read; - char *value_ptr; + if (end_ptr == string_ptr) + goto read_error; - /* We add two bytes so that we can walk the \r\n */ - rc= memcached_string_check(value, value_length+2); - if (rc != MEMCACHED_SUCCESS) - { - value_length= 0; - return MEMCACHED_MEMORY_ALLOCATION_FAILURE; - } - - value_ptr= memcached_string_value(value); - read_length= 0; - /* - We read the \r\n into the string since not doing so is more - cycles then the waster of memory to do so. - - We are null terminating through, which will most likely make - some people lazy about using the return length. - */ - to_read= (value_length) + 2; + /* Skip spaces */ + if (*string_ptr == '\r') + { + /* Skip past the \r\n */ + string_ptr+= 2; + result->cas= 0; + } + else + { + string_ptr++; + for (next_ptr= string_ptr; isdigit(*string_ptr); string_ptr++); + result->cas= (size_t)strtoll(next_ptr, &string_ptr, 10); + } - read_length= memcached_io_read(ptr, server_key, - value_ptr, to_read); + if (end_ptr < string_ptr) + goto read_error; - if (read_length != (size_t)(value_length + 2)) - { - goto read_error; - } + /* We add two bytes so that we can walk the \r\n */ + rc= memcached_string_check(&result->value, value_length+2); + if (rc != MEMCACHED_SUCCESS) + { + value_length= 0; + return MEMCACHED_MEMORY_ALLOCATION_FAILURE; + } - /* 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); - } + value_ptr= memcached_string_value(&result->value); + read_length= 0; + /* + We read the \r\n into the string since not doing so is more + cycles then the waster of memory to do so. + + We are null terminating through, which will most likely make + some people lazy about using the return length. + */ + to_read= (value_length) + 2; + read_length= memcached_io_read(ptr, value_ptr, to_read); + if (read_length != (size_t)(value_length + 2)) + { + goto read_error; + } - return MEMCACHED_SUCCESS; - } +/* This next bit blows the API, but this is internal....*/ + { + char *char_ptr; + char_ptr= memcached_string_value(&result->value);; + char_ptr[value_length]= 0; + char_ptr[value_length + 1]= 0; + memcached_string_set_length(&result->value, value_length); } - return rc; + return MEMCACHED_SUCCESS; read_error: + memcached_io_reset(ptr); + return MEMCACHED_PARTIAL_READ; } char *memcached_fetch(memcached_st *ptr, char *key, size_t *key_length, size_t *value_length, - uint16_t *flags, + uint32_t *flags, memcached_return *error) { - memcached_string_st *result_buffer; - result_buffer= &ptr->result_buffer; + memcached_result_st *result_buffer= &ptr->result; while (ptr->cursor_server < ptr->number_of_hosts) { - if (!ptr->hosts[ptr->cursor_server].cursor_active) + char buffer[MEMCACHED_DEFAULT_COMMAND_SIZE]; + + if (memcached_server_response_count(&ptr->hosts[ptr->cursor_server]) == 0) { ptr->cursor_server++; continue; } - *error = memcached_value_fetch(ptr, key, key_length, result_buffer, - flags, NULL, ptr->cursor_server); - *value_length= memcached_string_length(result_buffer); - + *error= memcached_response(&ptr->hosts[ptr->cursor_server], buffer, MEMCACHED_DEFAULT_COMMAND_SIZE, result_buffer); + if (*error == MEMCACHED_END) /* END means that we move on to the next */ { - ptr->hosts[ptr->cursor_server].cursor_active= 0; + memcached_server_response_reset(&ptr->hosts[ptr->cursor_server]); ptr->cursor_server++; continue; } else if (*error == MEMCACHED_SUCCESS) - return memcached_string_c_copy(result_buffer); + { + *value_length= memcached_string_length(&result_buffer->value); + + if (key) + { + strncpy(key, result_buffer->key, result_buffer->key_length); + *key_length= result_buffer->key_length; + } + + if (result_buffer->flags) + *flags= result_buffer->flags; + else + *flags= 0; + + return memcached_string_c_copy(&result_buffer->value); + } else + { + *value_length= 0; return NULL; + } } ptr->cursor_server= 0; @@ -185,24 +185,26 @@ memcached_result_st *memcached_fetch_result(memcached_st *ptr, WATCHPOINT_ASSERT(result->value.is_allocated != MEMCACHED_USED); +#ifdef UNUSED + if (ptr->flags & MEM_NO_BLOCK) + memcached_io_preread(ptr); +#endif + while (ptr->cursor_server < ptr->number_of_hosts) { - if (!ptr->hosts[ptr->cursor_server].cursor_active) + char buffer[MEMCACHED_DEFAULT_COMMAND_SIZE]; + + if (memcached_server_response_count(&ptr->hosts[ptr->cursor_server]) == 0) { ptr->cursor_server++; continue; } - result->cas= 0; /* We do this so we do not send in any junk */ - *error= memcached_value_fetch(ptr, result->key, &result->key_length, - &result->value, - &result->flags, - &result->cas, - ptr->cursor_server); + *error= memcached_response(&ptr->hosts[ptr->cursor_server], buffer, MEMCACHED_DEFAULT_COMMAND_SIZE, result); if (*error == MEMCACHED_END) /* END means that we move on to the next */ { - ptr->hosts[ptr->cursor_server].cursor_active= 0; + memcached_server_response_reset(&ptr->hosts[ptr->cursor_server]); ptr->cursor_server++; continue; } @@ -221,34 +223,3 @@ memcached_result_st *memcached_fetch_result(memcached_st *ptr, ptr->cursor_server= 0; return NULL; } - -memcached_return memcached_finish_server(memcached_st *ptr, unsigned int server_key) -{ - memcached_return rc; - memcached_string_st *result_buffer; - - result_buffer= &ptr->result_buffer; - - rc= MEMCACHED_SUCCESS; - while (rc == MEMCACHED_SUCCESS) - { - rc= memcached_value_fetch(ptr, NULL, NULL, result_buffer, - NULL, NULL, server_key); - } - ptr->hosts[server_key].cursor_active= 0; - - return rc; -} - -void memcached_finish(memcached_st *ptr) -{ - unsigned int x; - - for (x= 0; x < ptr->number_of_hosts; x++) - { - if (ptr->hosts[x].cursor_active) - (void)memcached_finish_server(ptr, x); - } - - ptr->cursor_server= 0; -}