/*
* msend.c
* Copyright (C) 2008 KLab Inc.
*/
#include "makuosan.h"
static void msend_ack(int s, mfile *m);
static void msend_req(int s, mfile *m);
/******************************************************************
*
* send common functions (private)
*
*******************************************************************/
static mfile *msend_mfdel(mfile *m)
{
mfile *r;
if(!m)
return(NULL);
r = m->next;
if(m->fd != -1)
close(m->fd);
if(m->mark)
free(m->mark);
clr_hoststate(m);
mfdel(m);
return(r);
}
static int msend_encrypt(mdata *data)
{
int szdata;
MD5_CTX ctx;
szdata = data->head.szdata;
if(moption.cryptena){
data->head.flags |= MAKUO_FLAG_CRYPT;
if(data->head.szdata){
MD5_Init(&ctx);
MD5_Update(&ctx, data->data, data->head.szdata);
MD5_Final(data->head.hash, &ctx);
for(szdata=0;szdata<data->head.szdata;szdata+=8){
BF_encrypt((BF_LONG *)(data->data + szdata), &EncKey);
}
}
}
return(szdata);
}
static int msend_packet(int s, mdata *data, struct sockaddr_in *addr)
{
int r;
int szdata;
mdata senddata;
memcpy(&senddata, data, sizeof(senddata));
szdata = msend_encrypt(&senddata);
senddata.head.szdata = htons(senddata.head.szdata);
senddata.head.flags = htons(senddata.head.flags);
senddata.head.reqid = htonl(senddata.head.reqid);
senddata.head.seqno = htonl(senddata.head.seqno);
while(1){
r = sendto(s, &senddata, sizeof(mhead) + szdata, 0, (struct sockaddr*)addr, sizeof(struct sockaddr_in));
if(r == sizeof(mhead) + szdata){
break;
}else{
if(r != -1){
lprintf(0,"%s: size error sock=%d op=%d rid=%d state=%s size=%d send=%d seqno=%d\n", __func__,
s, data->head.opcode, data->head.reqid, SSTATE(data->head.nstate), sizeof(mhead) + szdata, r, data->head.seqno);
return(0);
}else{
if(errno == EINTR){
continue;
}else{
lprintf(0,"%s: send error errno=%d sock=%d op=%d rid=%d state=%s size=%d seqno=%d\n", __func__,
errno, s, data->head.opcode, data->head.reqid, SSTATE(data->head.nstate), sizeof(mhead) + szdata, data->head.seqno);
return(-1);
}
}
}
}
return(1);
}
/* retry */
static void msend_retry(mfile *m)
{
uint8_t *r;
mhost *t;
if(!m->sendwait){
m->retrycnt = MAKUO_SEND_RETRYCNT;
return;
}
lprintf(2, "%s: send retry count=%02d rid=%06d state=%s %s\n", __func__,
m->retrycnt, m->mdata.head.reqid, SSTATE(m->mdata.head.nstate), m->fn);
for(t=members;t;t=t->next){
r = get_hoststate(t, m);
if(!r){
lprintf(0, "%s: can't alloc state area\n", __func__);
continue;
}
switch(moption.loglevel){
case 3:
if(*r == MAKUO_RECVSTATE_NONE){
lprintf(0, "%s: %s %s(%s)\n", __func__, RSTATE(*r), inet_ntoa(t->ad), t->hostname);
}
break;
default:
lprintf(4, "%s: %s %s(%s)\n", __func__, RSTATE(*r), inet_ntoa(t->ad), t->hostname);
break;
}
}
m->retrycnt--;
}
/* send & free */
static void msend_shot(int s, mfile *m)
{
msend_packet(s, &(m->mdata), &(m->addr));
msend_mfdel(m);
}
/******************************************************************
*
* send common functions (public)
*
*******************************************************************/
void msend(int s, mfile *m)
{
if(!m){
return;
}
msend_retry(m);
mtimeget(&m->lastsend);
if(m->mdata.head.flags & MAKUO_FLAG_ACK){
msend_ack(s, m); /* source node task */
}else{
msend_req(s, m); /* destination node task */
}
}
/******************************************************************
*
* ack send functions (for destination node tasks)
*
*******************************************************************/
static void msend_ack_ping(int s, mfile *m)
{
msend_shot(s, m);
}
static void msend_ack_send(int s, mfile *m)
{
if(m->markcount){
m->mdata.head.szdata = m->marksize * sizeof(uint32_t);
memcpy(m->mdata.data, m->mark, m->marksize * sizeof(uint32_t));
}
msend_shot(s, m);
}
static void msend_ack_md5(int s, mfile *m)
{
msend_shot(s, m);
}
static void msend_ack(int s, mfile *m)
{
switch(m->mdata.head.opcode){
case MAKUO_OP_PING:
msend_ack_ping(s, m);
break;
case MAKUO_OP_EXIT:
break;
case MAKUO_OP_SEND:
msend_ack_send(s, m);
break;
case MAKUO_OP_MD5:
msend_ack_md5(s, m);
break;
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}
}
/******************************************************************
*
* req send functions (for source node tasks)
*
*******************************************************************/
static void msend_req_send_break(int s, mfile *m)
{
lprintf(9, "%s: BREAK %s\n", __func__, m->fn);
msend_packet(s, &(m->mdata), &(m->addr));
msend_mfdel(m);
}
static void msend_req_send_stat_init(int s, mfile *m)
{
mstat fs;
if(!m->comm){
msend_mfdel(m);
m = NULL;
return;
}
m->mdata.p = m->mdata.data;
m->mdata.head.szdata = sizeof(fs);
m->mdata.head.szdata += strlen(m->fn);
m->mdata.head.szdata += strlen(m->ln);
m->mdata.head.szdata += sizeof(uint64_t);
if(m->mdata.head.szdata > MAKUO_BUFFER_SIZE){
lprintf(0, "%s: buffer size over size=%d file=%s\n", __func__, m->mdata.head.szdata, m->fn);
cprintf(0, m->comm, "error: buffer size over size=%d file=%s\n", m->mdata.head.szdata, m->fn);
return;
}
fs.mode = htonl(m->fs.st_mode);
fs.uid = htons(m->fs.st_uid);
fs.gid = htons(m->fs.st_gid);
fs.sizel = htonl((uint32_t)(m->fs.st_size & 0xFFFFFFFF));
fs.sizeh = htonl((uint32_t)(m->fs.st_size >> 32));
fs.mtime = htonl(m->fs.st_mtime);
fs.ctime = htonl(m->fs.st_ctime);
fs.fnlen = htons(strlen(m->fn));
fs.lnlen = htons(strlen(m->ln));
memcpy(m->mdata.p, &fs, sizeof(fs));
m->mdata.p += sizeof(fs);
strcpy(m->mdata.p, m->fn);
m->mdata.p += strlen(m->fn);
strcpy(m->mdata.p, m->ln);
m->mdata.p += strlen(m->ln);
*(uint32_t *)(m->mdata.p) = htonl((uint32_t)(m->fs.st_rdev >> 32));
m->mdata.p += sizeof(uint32_t);
*(uint32_t *)(m->mdata.p) = htonl((uint32_t)(m->fs.st_rdev & 0xFFFFFFFF));
m->mdata.p += sizeof(uint32_t);
m->sendwait = 1;
m->initstate = 0;
ack_clear(m, -1);
msend_packet(s, &(m->mdata), &(m->addr));
}
static void msend_req_send_stat(int s, mfile *m)
{
uint8_t *r;
mhost *t;
if(m->initstate){
msend_req_send_stat_init(s, m);
return;
}
if(m->sendwait){
msend_packet(s, &(m->mdata), &(m->addr));
return;
}
lprintf(9,"%s: STAT %s\n", __func__, m->fn);
if(m->dryrun){
if(ack_check(m, MAKUO_RECVSTATE_UPDATE) != 1){
cprintf(5, m->comm, "(%s)\r\n", m->fn);
}else{
cprintf(0, m->comm, "[%s]\r\n", m->fn);
if(!m->sendto){
for(t=members;t;t=t->next){
r = get_hoststate(t, m);
if(*r == MAKUO_RECVSTATE_UPDATE)
cprintf(1, m->comm, "%s: update\r\n", t->hostname);
if(*r == MAKUO_RECVSTATE_SKIP)
cprintf(2, m->comm, "%s: skip\r\n", t->hostname);
if(*r == MAKUO_RECVSTATE_READONLY)
cprintf(2, m->comm, "%s: skip(read only)\r\n", t->hostname);
}
}
}
m->initstate = 1;
m->mdata.head.ostate = m->mdata.head.nstate;
m->mdata.head.nstate = MAKUO_SENDSTATE_CLOSE;
}else{
if(ack_check(m, MAKUO_RECVSTATE_UPDATE) != 1){
cprintf(5, m->comm, "(%s)\r\n", m->fn);
m->initstate = 1;
m->mdata.head.nstate = MAKUO_SENDSTATE_CLOSE;
}else{
lprintf(1, "%s: update %s\n", __func__, m->fn);
cprintf(1, m->comm, "[%s]\r\n", m->fn);
if(!m->sendto){
for(t=members;t;t=t->next){
r = get_hoststate(t, m);
if(*r == MAKUO_RECVSTATE_UPDATE)
cprintf(2, m->comm, "%s: update\r\n", t->hostname);
if(*r == MAKUO_RECVSTATE_SKIP)
cprintf(3, m->comm, "%s: skip\r\n", t->hostname);
if(*r == MAKUO_RECVSTATE_READONLY)
cprintf(3, m->comm, "%s: skip(read only)\r\n", t->hostname);
}
}
m->initstate = 1;
m->mdata.head.ostate = m->mdata.head.nstate;
m->mdata.head.nstate = MAKUO_SENDSTATE_OPEN;
}
}
}
static void msend_req_send_open_init(int s, mfile *m)
{
m->sendwait = 1;
m->initstate = 0;
ack_clear(m, MAKUO_RECVSTATE_UPDATE);
/*----- symlink -----*/
if(S_ISLNK(m->fs.st_mode) || !S_ISREG(m->fs.st_mode)){
msend_packet(s, &(m->mdata), &(m->addr));
}else{
m->fd = open(m->fn, O_RDONLY, 0);
if(m->fd != -1){
msend_packet(s, &(m->mdata), &(m->addr));
}else{
m->sendwait = 0;
m->initstate = 1;
m->mdata.head.ostate = m->mdata.head.nstate;
m->mdata.head.nstate = MAKUO_SENDSTATE_CLOSE;
cprintf(0, m->comm, "error: file open error errno=%d %s\n", errno, m->fn);
lprintf(0, "%s: open error errno=%d %s\n", __func__, errno, m->fn);
}
}
}
static void msend_req_send_open(int s, mfile *m)
{
if(m->initstate){
msend_req_send_open_init(s, m);
return;
}
if(m->sendwait){
msend_packet(s, &(m->mdata), &(m->addr));
return;
}
lprintf(9, "%s: OPEN %s\n", __func__, m->fn);
if(ack_check(m, MAKUO_RECVSTATE_UPDATE) == 1){
m->sendwait = 1;
ack_clear(m, MAKUO_RECVSTATE_UPDATE);
return;
}
if(S_ISLNK(m->fs.st_mode) || !S_ISREG(m->fs.st_mode)){
m->initstate = 1;
m->mdata.head.ostate = m->mdata.head.nstate;
m->mdata.head.nstate = MAKUO_SENDSTATE_CLOSE;
}else{
m->mdata.head.seqno = 0;
m->mdata.head.ostate = m->mdata.head.nstate;
m->mdata.head.nstate = MAKUO_SENDSTATE_DATA;
}
}
static void msend_req_send_markdata(int s, mfile *m)
{
int i;
int r;
if(!m->markcount){
/* close */
m->initstate = 1;
m->mdata.head.seqno = 0;
m->mdata.head.ostate = m->mdata.head.nstate;
m->mdata.head.nstate = MAKUO_SENDSTATE_CLOSE;
return;
}
lprintf(4, "%s: block send retry %d\n", __func__, m->markcount);
for(i=0;i<m->markcount;i++){
m->mdata.head.seqno = m->mark[i];
lseek(m->fd, m->mdata.head.seqno * MAKUO_BUFFER_SIZE, SEEK_SET);
r = read(m->fd, m->mdata.data, MAKUO_BUFFER_SIZE);
if(r>0){
m->mdata.head.szdata = r;
msend_packet(s, &(m->mdata), &(m->addr));
}else{
if(!r){
lprintf(0, "%s: read eof? seqno=%d\n", __func__, m->mdata.head.seqno);
}else{
lprintf(0, "%s: read err! seqno=%d errno=%d\n", __func__, m->mdata.head.seqno, errno);
}
}
}
m->markcount = 0;
m->initstate = 1;
m->mdata.head.seqno = 0;
m->mdata.head.nstate = MAKUO_SENDSTATE_MARK;
ack_clear(m, MAKUO_RECVSTATE_MARK);
}
static void msend_req_send_filedata(int s, mfile *m)
{
int readsize;
lseek(m->fd, m->mdata.head.seqno * MAKUO_BUFFER_SIZE, SEEK_SET);
readsize = read(m->fd, m->mdata.data, MAKUO_BUFFER_SIZE);
if(readsize > 0){
m->mdata.head.szdata = readsize;
if(msend_packet(s, &(m->mdata), &(m->addr)) == 1){
m->mdata.head.seqno++;
}
}else{
if(readsize == -1){
/* err */
lprintf(0, "%s: read error! seqno=%d errno=%d %s\n", __func__, m->mdata.head.seqno, errno, m->fn);
}else{
/* eof */
lprintf(4, "%s: block send count=%d %s\n", __func__, m->mdata.head.seqno, m->fn);
m->mdata.head.seqno = 0;
m->mdata.head.nstate = MAKUO_SENDSTATE_MARK;
m->initstate = 1;
m->lickflag = 1;
}
}
}
static void msend_req_send_data(int s, mfile *m)
{
if(!m->comm){
m->mdata.head.seqno = 0;
m->mdata.head.nstate = MAKUO_SENDSTATE_BREAK;
return;
}
if(m->lickflag){
msend_req_send_markdata(s, m); /* send retry */
}else{
msend_req_send_filedata(s, m); /* send data */
}
}
static void msend_req_send_mark_init(int s, mfile *m)
{
m->sendwait = 1;
m->initstate = 0;
ack_clear(m, MAKUO_RECVSTATE_UPDATE);
ack_clear(m, MAKUO_RECVSTATE_OPEN);
msend_packet(s, &(m->mdata), &(m->addr));
}
static void msend_req_send_mark(int s, mfile *m)
{
if(m->initstate){
msend_req_send_mark_init(s, m);
return;
}
if(m->sendwait){
msend_packet(s, &(m->mdata), &(m->addr));
return;
}
if(ack_check(m, MAKUO_RECVSTATE_UPDATE) == 1){
msend_req_send_mark_init(s, m);
return;
}
if(ack_check(m, MAKUO_RECVSTATE_OPEN) == 1){
msend_req_send_mark_init(s, m);
return;
}
lprintf(9, "%s: MARK mark=%d %s\n", __func__, m->markcount, m->fn);
m->mdata.head.nstate = MAKUO_SENDSTATE_DATA;
}
static void msend_req_send_close_init(int s, mfile *m)
{
m->sendwait = 1;
m->initstate = 0;
ack_clear(m, MAKUO_RECVSTATE_UPDATE);
ack_clear(m, MAKUO_RECVSTATE_OPEN);
ack_clear(m, MAKUO_RECVSTATE_MARK);
msend_packet(s, &(m->mdata), &(m->addr));
}
static void msend_req_send_close(int s, mfile *m)
{
if(m->initstate){
msend_req_send_close_init(s, m);
return;
}
if(m->sendwait){
msend_packet(s, &(m->mdata), &(m->addr));
return;
}
if(ack_check(m, MAKUO_RECVSTATE_UPDATE) == 1){
msend_req_send_close_init(s, m);
return;
}
if(ack_check(m, MAKUO_RECVSTATE_OPEN) == 1){
msend_req_send_close_init(s, m);
return;
}
if(ack_check(m, MAKUO_RECVSTATE_MARK) == 1){
msend_req_send_close_init(s, m);
return;
}
if(m->mdata.head.ostate == MAKUO_SENDSTATE_MARK ||
m->mdata.head.ostate == MAKUO_SENDSTATE_DATA ||
m->mdata.head.ostate == MAKUO_SENDSTATE_OPEN){
lprintf(1,"%s: update complate %s \n", __func__, m->fn);
}
m->mdata.head.nstate = MAKUO_SENDSTATE_LAST;
}
static void msend_req_send_last(int s, mfile *m)
{
lprintf(9, "%s: LAST %s\n", __func__, m->fn);
msend_packet(s, &(m->mdata), &(m->addr));
msend_mfdel(m);
}
/*----- send -----*/
static void msend_req_send(int s, mfile *m)
{
if(!m->comm){
msend_mfdel(m);
return;
}
switch(m->mdata.head.nstate){
case MAKUO_SENDSTATE_STAT:
msend_req_send_stat(s, m);
break;
case MAKUO_SENDSTATE_OPEN:
msend_req_send_open(s, m);
break;
case MAKUO_SENDSTATE_DATA:
msend_req_send_data(s, m);
break;
case MAKUO_SENDSTATE_MARK:
msend_req_send_mark(s, m);
break;
case MAKUO_SENDSTATE_CLOSE:
msend_req_send_close(s, m);
break;
case MAKUO_SENDSTATE_LAST:
msend_req_send_last(s, m);
break;
case MAKUO_SENDSTATE_BREAK:
msend_req_send_break(s, m);
break;
}
}
static void msend_req_md5_open_init(int s, mfile *m)
{
m->sendwait = 1;
m->initstate = 0;
ack_clear(m, -1);
m->mdata.head.nstate = MAKUO_SENDSTATE_OPEN;
msend_packet(s, &(m->mdata), &(m->addr));
}
static void msend_req_md5_open(int s, mfile *m)
{
if(m->initstate){
lprintf(9,"%s: %s\n", __func__, m->fn);
msend_req_md5_open_init(s, m);
return;
}
if(m->sendwait){
msend_packet(s, &(m->mdata), &(m->addr));
return;
}
m->initstate = 1;
m->mdata.head.nstate = MAKUO_SENDSTATE_CLOSE;
}
static void msend_req_md5_close_init(int s, mfile *m)
{
m->sendwait = 1;
m->initstate = 0;
ack_clear(m, MAKUO_RECVSTATE_MD5OK);
ack_clear(m, MAKUO_RECVSTATE_MD5NG);
m->mdata.head.nstate = MAKUO_SENDSTATE_CLOSE;
msend_packet(s, &(m->mdata), &(m->addr));
}
static void msend_req_md5_close(int s, mfile *m)
{
if(m->initstate){
msend_req_md5_close_init(s, m);
return;
}
if(m->sendwait){
msend_packet(s, &(m->mdata), &(m->addr));
return;
}
lprintf(9,"%s: %s\n", __func__, m->fn);
msend_mfdel(m);
m = NULL;
}
/*----- md5 -----*/
static void msend_req_md5(int s, mfile *m)
{
switch(m->mdata.head.nstate){
case MAKUO_SENDSTATE_OPEN:
msend_req_md5_open(s, m);
break;
case MAKUO_SENDSTATE_CLOSE:
msend_req_md5_close(s, m);
break;
}
}
/*----- exit -----*/
static void msend_req_exit(int s, mfile *m)
{
msend_shot(s, m);
}
/*----- ping -----*/
static void msend_req_ping(int s, mfile *m)
{
msend_shot(s, m);
}
/*----- send request -----*/
static void msend_req(int s, mfile *m)
{
switch(m->mdata.head.opcode){
case MAKUO_OP_PING:
msend_req_ping(s, m);
break;
case MAKUO_OP_EXIT:
msend_req_exit(s, m);
break;
case MAKUO_OP_SEND:
msend_req_send(s, m);
break;
case MAKUO_OP_MD5:
msend_req_md5(s, m);
break;
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}
}