X-Git-Url: https://git.m6w6.name/?a=blobdiff_plain;f=lib%2Fmemcached_io.c;h=22c54e420da76f51f888a3c4eef6b0480e3c892c;hb=69b905e54a2f5ad5038a3f75c269bbbb4c3e610f;hp=52d912975e0023c1d562d1891bd5b18513398a06;hpb=8c3bca01cf65534b71679bdadad6c4d1637c844f;p=m6w6%2Flibmemcached diff --git a/lib/memcached_io.c b/lib/memcached_io.c index 52d91297..22c54e42 100644 --- a/lib/memcached_io.c +++ b/lib/memcached_io.c @@ -93,8 +93,11 @@ ssize_t memcached_io_read(memcached_server_st *ptr, data_read= read(ptr->fd, ptr->read_buffer, MEMCACHED_MAX_BUFFER); - if (data_read == -1) + if (data_read) + break; + else if (data_read == -1) { + ptr->cached_errno= errno; switch (errno) { case EAGAIN: @@ -105,21 +108,15 @@ ssize_t memcached_io_read(memcached_server_st *ptr, if (rc == MEMCACHED_SUCCESS) continue; - - memcached_quit_server(ptr, 1); - return -1; } + /* fall trough */ default: { memcached_quit_server(ptr, 1); - ptr->cached_errno= errno; return -1; } } } - else if (data_read) - break; - /* If zero, just keep looping unless testing, then assert() */ else { WATCHPOINT_ASSERT(0); @@ -148,10 +145,10 @@ ssize_t memcached_io_read(memcached_server_st *ptr, else { *buffer_ptr= *ptr->read_ptr; - length--; ptr->read_ptr++; ptr->read_buffer_length--; buffer_ptr++; + break; } if (found_eof) @@ -164,35 +161,37 @@ ssize_t memcached_io_read(memcached_server_st *ptr, ssize_t memcached_io_write(memcached_server_st *ptr, char *buffer, size_t length, char with_flush) { - unsigned long long x; + size_t original_length; + char* buffer_ptr; - if (length < (MEMCACHED_MAX_BUFFER - ptr->write_buffer_offset )) + original_length= length; + buffer_ptr= buffer; + + while (length) { char *write_ptr; + size_t should_write; + should_write= MEMCACHED_MAX_BUFFER - ptr->write_buffer_offset; write_ptr= ptr->write_buffer + ptr->write_buffer_offset; - memcpy(write_ptr, buffer, length); - ptr->write_buffer_offset+= length; - } - else - { - for (x= 0; x < length; x++) - { - ptr->write_buffer[ptr->write_buffer_offset]= buffer[x]; - ptr->write_buffer_offset++; - WATCHPOINT_ASSERT(ptr->write_buffer_offset <= MEMCACHED_MAX_BUFFER); - if (ptr->write_buffer_offset == MEMCACHED_MAX_BUFFER) - { - memcached_return rc; - ssize_t sent_length; + should_write= (should_write < length) ? should_write : length; - sent_length= io_flush(ptr, &rc); - if (sent_length == -1) - return -1; + memcpy(write_ptr, buffer_ptr, should_write); + ptr->write_buffer_offset+= should_write; + buffer_ptr+= should_write; + length-= should_write; - WATCHPOINT_ASSERT(sent_length == MEMCACHED_MAX_BUFFER); - } + if (ptr->write_buffer_offset == MEMCACHED_MAX_BUFFER) + { + memcached_return rc; + ssize_t sent_length; + + sent_length= io_flush(ptr, &rc); + if (sent_length == -1) + return -1; + + WATCHPOINT_ASSERT(sent_length == MEMCACHED_MAX_BUFFER); } } @@ -203,7 +202,7 @@ ssize_t memcached_io_write(memcached_server_st *ptr, return -1; } - return length; + return original_length; } memcached_return memcached_io_close(memcached_server_st *ptr)