X-Git-Url: https://git.m6w6.name/?a=blobdiff_plain;f=lib%2Fmemcached_get.c;h=3ddeff886eb75cc8ab7af02d997dd29a75c4d043;hb=375ad7d822a4bbc121a79ce7e927385d6be7f754;hp=251cd59201c0ac67236cf289b6ee48006185af2f;hpb=7ef83f5c1f71a8527a5f3001d72772ac692bcf14;p=m6w6%2Flibmemcached diff --git a/lib/memcached_get.c b/lib/memcached_get.c index 251cd592..3ddeff88 100644 --- a/lib/memcached_get.c +++ b/lib/memcached_get.c @@ -12,14 +12,11 @@ static char *memcached_value_fetch(memcached_st *ptr, char *key, size_t *key_len char *string_ptr; char *end_ptr; - assert(value_length); - assert(flags); - assert(error); - 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); @@ -36,7 +33,7 @@ static char *memcached_value_fetch(memcached_st *ptr, char *key, size_t *key_len memset(key, 0, MEMCACHED_MAX_KEY); *key_length= 0; - for (; end_ptr == string_ptr || *string_ptr != ' '; string_ptr++) + for (; end_ptr > string_ptr && *string_ptr != ' '; string_ptr++) { *key= *string_ptr; key++; @@ -44,7 +41,7 @@ static char *memcached_value_fetch(memcached_st *ptr, char *key, size_t *key_len } } else /* Skip characters */ - for (; end_ptr == string_ptr || *string_ptr != ' '; string_ptr++); + for (; end_ptr > string_ptr && *string_ptr != ' '; string_ptr++); if (end_ptr == string_ptr) goto read_error; @@ -53,7 +50,7 @@ static char *memcached_value_fetch(memcached_st *ptr, char *key, size_t *key_len string_ptr++; if (end_ptr == string_ptr) goto read_error; - for (next_ptr= string_ptr; end_ptr == string_ptr || *string_ptr != ' '; string_ptr++); + for (next_ptr= string_ptr; end_ptr > string_ptr && *string_ptr != ' '; string_ptr++); *flags= (uint16_t)strtol(next_ptr, &string_ptr, 10); if (end_ptr == string_ptr) @@ -64,7 +61,7 @@ static char *memcached_value_fetch(memcached_st *ptr, char *key, size_t *key_len if (end_ptr == string_ptr) goto read_error; - for (next_ptr= string_ptr; end_ptr == string_ptr || *string_ptr != ' '; string_ptr++); + for (next_ptr= string_ptr; end_ptr > string_ptr && *string_ptr != ' '; string_ptr++); *value_length= (size_t)strtoll(next_ptr, &string_ptr, 10); if (end_ptr == string_ptr) @@ -128,15 +125,18 @@ read_error: return NULL; } +/* + What happens if no servers exist? +*/ char *memcached_get(memcached_st *ptr, char *key, size_t key_length, size_t *value_length, uint16_t *flags, memcached_return *error) { - size_t send_length; char buffer[MEMCACHED_DEFAULT_COMMAND_SIZE]; + char *buf_ptr= buffer; unsigned int server_key; - char *value; + char *value= NULL; LIBMEMCACHED_MEMCACHED_GET_START(); server_key= memcached_generate_hash(ptr, key, key_length); @@ -147,10 +147,14 @@ char *memcached_get(memcached_st *ptr, char *key, size_t key_length, if (*error != MEMCACHED_SUCCESS) goto error; - send_length= snprintf(buffer, MEMCACHED_DEFAULT_COMMAND_SIZE, "get %.*s\r\n", - (int)key_length, key); + memcpy(buf_ptr, "get ", 4); + buf_ptr+= 4; + memcpy(buf_ptr, key, key_length); + buf_ptr+= key_length; + memcpy(buf_ptr, "\r\n", 2); + buf_ptr+= 2; - if ((memcached_io_write(ptr, server_key, buffer, send_length, 1)) == -1) + if ((memcached_io_write(ptr, server_key, buffer, (size_t)(buf_ptr - buffer), 1)) == -1) { *error= MEMCACHED_WRITE_FAILURE; goto error; @@ -197,18 +201,17 @@ memcached_return memcached_mget(memcached_st *ptr, char **keys, size_t *key_length, unsigned int number_of_keys) { - char buffer[HUGE_STRING_LEN]; unsigned int x; - memcached_return rc; - memcached_string_st **cursor_key_exec; + memcached_return rc= MEMCACHED_NOTFOUND; + char *cursor_key_exec; LIBMEMCACHED_MEMCACHED_MGET_START(); - ptr->cursor_server= 0; - memset(buffer, 0, HUGE_STRING_LEN); - cursor_key_exec= (memcached_string_st **)malloc(sizeof(memcached_string_st *) * ptr->number_of_hosts); - memset(cursor_key_exec, 0, sizeof(memcached_string_st *) * ptr->number_of_hosts); + if (number_of_keys == 0) + return MEMCACHED_NOTFOUND; + cursor_key_exec= (char *)malloc(sizeof(char) * ptr->number_of_hosts); + memset(cursor_key_exec, 0, sizeof(char) * ptr->number_of_hosts); for (x= 0; x < number_of_keys; x++) { @@ -216,26 +219,32 @@ memcached_return memcached_mget(memcached_st *ptr, server_key= memcached_generate_hash(ptr, keys[x], key_length[x]); - if (cursor_key_exec[server_key]) + if (cursor_key_exec[server_key] == 0) { - memcached_string_st *string= cursor_key_exec[server_key]; + rc= memcached_connect(ptr, server_key); - memcached_string_append_character(ptr, string, ' '); - memcached_string_append(ptr, string, keys[x], key_length[x]); + if ((memcached_io_write(ptr, server_key, "get ", 4, 0)) == -1) + { + memcached_quit(ptr); + rc= MEMCACHED_SOME_ERRORS; + break; + } } - else - { - 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) - assert(0); - - memcached_string_append(ptr, string, "get ", 4); - memcached_string_append(ptr, string, keys[x], key_length[x]); + if ((memcached_io_write(ptr, server_key, keys[x], key_length[x], 0)) == -1) + { + memcached_quit(ptr); + rc= MEMCACHED_SOME_ERRORS; + break; + } - cursor_key_exec[server_key]= string; + if ((memcached_io_write(ptr, server_key, " ", 1, 0)) == -1) + { + memcached_quit(ptr); + rc= MEMCACHED_SOME_ERRORS; + break; } + cursor_key_exec[server_key]= 1; } @@ -247,19 +256,13 @@ memcached_return memcached_mget(memcached_st *ptr, if (cursor_key_exec[x]) { /* We need to doo something about non-connnected hosts in the future */ - rc= memcached_connect(ptr, x); - - memcached_string_st *string= cursor_key_exec[x]; - memcached_string_append(ptr, string, "\r\n", 2); - - if ((memcached_io_write(ptr, x, string->string, - memcached_string_length(ptr, string), 1)) == -1) + if ((memcached_io_write(ptr, x, "\r\n", 2, 1)) == -1) { memcached_quit(ptr); rc= MEMCACHED_SOME_ERRORS; + break; } - memcached_string_free(ptr, string); - cursor_key_exec[x]= NULL; /* Remove warning */ + ptr->hosts[x].cursor_active= 1; } else