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File revision-1496.patch of Package openais (Revision 1)
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Index: exec/totempg.c =================================================================== --- exec/totempg.c (revision 1493) +++ exec/totempg.c (revision 1496) @@ -91,7 +91,6 @@ #include <assert.h> #include <pthread.h> #include <errno.h> -#include <unistd.h> #include "../include/hdb.h" #include "../include/list.h" @@ -280,7 +279,7 @@ list_add (&assembly->list, &assembly_list_free); } -static void app_confchg_fn ( +static inline void app_confchg_fn ( enum totem_configuration_type configuration_type, unsigned int *member_list, int member_list_entries, unsigned int *left_list, int left_list_entries, @@ -313,7 +312,7 @@ } } -static void group_endian_convert ( +static inline void group_endian_convert ( struct iovec *iovec) { unsigned short *group_len; @@ -324,9 +323,10 @@ for (i = 1; i < group_len[0] + 1; i++) { group_len[i] = swab16(group_len[i]); } + } -static int group_matches ( +static inline int group_matches ( struct iovec *iovec, unsigned int iov_len, struct totempg_group *groups_b, @@ -346,8 +346,7 @@ */ if ((size_t)iovec->iov_base % 4 != 0) { iovec_aligned.iov_base = alloca(iovec->iov_len); - memcpy(iovec_aligned.iov_base, iovec->iov_base, iovec->iov_len); - iovec_aligned.iov_len = iovec->iov_len; + memcpy(iovec_aligned.iov_base, iovec->iov_base, iovec->iov_len); iovec_aligned.iov_len = iovec->iov_len; iovec = &iovec_aligned; } @@ -381,7 +380,7 @@ } -static void app_deliver_fn ( +static inline void app_deliver_fn ( unsigned int nodeid, struct iovec *iovec, unsigned int iov_len, @@ -394,17 +393,17 @@ unsigned int res; struct iovec aligned_iovec = { NULL, 0 }; + if (endian_conversion_required) { + group_endian_convert (iovec); + } + /* * Align data structure for sparc and ia64 */ aligned_iovec.iov_base = alloca(iovec->iov_len); aligned_iovec.iov_len = iovec->iov_len; - assert (aligned_iovec.iov_base != NULL); memcpy(aligned_iovec.iov_base, iovec->iov_base, iovec->iov_len); iovec = &aligned_iovec; - if (endian_conversion_required) { - group_endian_convert (&aligned_iovec); - } for (i = 0; i <= totempg_max_handle; i++) { res = hdb_handle_get (&totempg_groups_instance_database, @@ -412,9 +411,9 @@ if (res == 0) { assert (iov_len == 1); - if (group_matches (&aligned_iovec, iov_len, instance->groups, instance->groups_cnt, &adjust_iovec)) { - stripped_iovec.iov_len = aligned_iovec.iov_len - adjust_iovec; -// stripped_iovec.iov_base = (char *)aligned_iovec.iov_base + adjust_iovec; + if (group_matches (iovec, iov_len, instance->groups, instance->groups_cnt, &adjust_iovec)) { + stripped_iovec.iov_len = iovec->iov_len - adjust_iovec; +// stripped_iovec.iov_base = (char *)iovec->iov_base + adjust_iovec; /* * Align data structure for sparc and ia64 @@ -464,11 +463,11 @@ int endian_conversion_required) { struct totempg_mcast *mcast; - unsigned short *msg_lens_from_msg; - unsigned short msg_lens[1500]; - unsigned short mcast_msg_count; + unsigned short *msg_lens; int i; struct assembly *assembly; + char header[FRAME_SIZE_MAX]; + int h_index; int a_i = 0; int msg_count; int continuation; @@ -477,15 +476,8 @@ assembly = assembly_ref (nodeid); assert (assembly); - mcast = (struct totempg_mcast *)iovec[0].iov_base; - if (endian_conversion_required) { - mcast_msg_count = swab16 (mcast->msg_count); - } else { - mcast_msg_count = mcast->msg_count; - } - msg_count = mcast_msg_count; - /* + * Assemble the header into one block of data and * assemble the packet contents into one block of data to simplify delivery */ if (iov_len == 1) { @@ -496,36 +488,44 @@ char *data; int datasize; - msg_lens_from_msg = (unsigned short *) (iovec[0].iov_base + - sizeof (struct totempg_mcast)); - for (i = 0; i < mcast_msg_count; i++) { - msg_lens[i] = swab16 (msg_lens_from_msg[i]); + mcast = (struct totempg_mcast *)iovec[0].iov_base; + if (endian_conversion_required) { + mcast->msg_count = swab16 (mcast->msg_count); } + msg_count = mcast->msg_count; datasize = sizeof (struct totempg_mcast) + - mcast_msg_count * sizeof (unsigned short); + msg_count * sizeof (unsigned short); + memcpy (header, iovec[0].iov_base, datasize); assert(iovec); data = iovec[0].iov_base; - memcpy (&assembly->data[assembly->index], &data[datasize], - iovec[0].iov_len - datasize); - } else { - msg_lens_from_msg = (unsigned short *)iovec[1].iov_base; + msg_lens = (unsigned short *) (header + sizeof (struct totempg_mcast)); if (endian_conversion_required) { - for (i = 0; i < mcast_msg_count; i++) { - msg_lens[i] = swab16 (msg_lens_from_msg[i]); + for (i = 0; i < mcast->msg_count; i++) { + msg_lens[i] = swab16 (msg_lens[i]); } - } else { - for (i = 0; i < mcast_msg_count; i++) { - msg_lens[i] = msg_lens_from_msg[i]; - } } + memcpy (&assembly->data[assembly->index], &data[datasize], + iovec[0].iov_len - datasize); + } else { /* * The message originated from local processor - * because there is greater than one iovec for the full msg. + * becasue there is greater than one iovec for then full msg. */ + h_index = 0; + for (i = 0; i < 2; i++) { + memcpy (&header[h_index], iovec[i].iov_base, iovec[i].iov_len); + h_index += iovec[i].iov_len; + } + + mcast = (struct totempg_mcast *)header; +// TODO make sure we are using a copy of mcast not the actual data itself + + msg_lens = (unsigned short *) (header + sizeof (struct totempg_mcast)); + for (i = 2; i < iov_len; i++) { a_i = assembly->index; assert (iovec[i].iov_len + a_i <= MESSAGE_SIZE_MAX); @@ -541,7 +541,7 @@ * then adjust the assembly buffer so we can add the rest of the * fragment when it arrives. */ - msg_count = mcast->fragmented ? mcast_msg_count - 1 : mcast_msg_count; + msg_count = mcast->fragmented ? mcast->msg_count - 1 : mcast->msg_count; continuation = mcast->continuation; iov_delv.iov_base = &assembly->data[0]; iov_delv.iov_len = assembly->index + msg_lens[0]; @@ -567,8 +567,7 @@ } if ((assembly->index == 0) || - (!continuation && assembly->index)) { - + (!continuation && assembly->index)) { log_printf (totempg_log_level_error, "Throwing away broken message: continuation %u, index %u\n", continuation, assembly->index); @@ -610,7 +609,7 @@ * Message is fragmented, keep around assembly list */ assembly->last_frag_num = mcast->fragmented; - if (mcast_msg_count > 1) { + if (mcast->msg_count > 1) { memmove (&assembly->data[0], &assembly->data[assembly->index], msg_lens[msg_count]);
