/*
* msend.c
* Copyright (C) 2008-2012 KLab Inc.
*/
#include "makuosan.h"
/******************************************************************
*
* 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->pipe != -1){
close(m->pipe);
}
if(m->pid){
kill(m->pid, SIGTERM);
waitpid(m->pid, NULL, 0);
}
if(m->link){
m->link->link = NULL;
m->link = NULL;
}
while((m->mark = delmark(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_readywait()
{
fd_set fds;
time_t tm;
struct timeval tv;
if(moption.sendrate){
tm = time(NULL);
while(tm == send_time){
if(moption.sendrate > send_rate){
break;
}
usleep(1000);
tm = time(NULL);
}
if(tm != send_time){
view_rate = send_rate;
send_rate = 0;
send_time = tm;
}
}
while(!moption.sendready){
FD_ZERO(&fds);
FD_SET(moption.mcsocket, &fds);
tv.tv_sec = 1;
tv.tv_usec = 0;
if(select(1024, NULL, &fds, NULL, &tv) == 1){
moption.sendready = FD_ISSET(moption.mcsocket, &fds);
}else{
if(loop_flag){
continue;
}else{
break;
}
}
}
return(moption.sendready);
}
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);
senddata.head.maddr = senddata.head.maddr;
senddata.head.mport = senddata.head.mport;
senddata.head.error = htonl(senddata.head.error);
szdata += sizeof(mhead);
while(msend_readywait()){
moption.sendready = 0;
r = sendto(s, &senddata, szdata, 0, (struct sockaddr*)addr, sizeof(struct sockaddr_in));
if(r == szdata){
send_rate += r;
return(0); /* success */
}
if(r == -1){
if(errno == EINTR){
continue;
}
lprintf(0,"[error] %s: send error (%s) %s %s rid=%d size=%d seqno=%d\n",
__func__,
strerror(errno),
stropcode(data),
strmstate(data),
data->head.reqid,
szdata,
data->head.seqno);
break;
}else{
lprintf(0, "[error] %s: send size error %s %s rid=%d datasize=%d sendsize=%d seqno=%d\n",
__func__,
stropcode(data),
strmstate(data),
data->head.reqid,
szdata,
r,
data->head.seqno);
break;
}
}
return(-1);
}
/* retry */
static int msend_retry(mfile *m)
{
uint8_t *r;
mhost *t;
if(!m){
return(-1);
}
if(!m->sendwait){
m->retrycnt = MAKUO_SEND_RETRYCNT;
return(0);
}
if(moption.loglevel > 1){
mprintf(2, __func__, m);
for(t=members;t;t=t->next){
r = get_hoststate(t, m);
if(!r){
lprintf(0, "[error] %s: can't alloc state area %s\n", __func__, t->hostname);
continue;
}
if(m->sendto){
if(!memcmp(&(m->addr.sin_addr), &(t->ad), sizeof(t->ad))){
if(*r == MAKUO_RECVSTATE_NONE){
lprintf(2, "%s: %s %s(%s)\n", __func__, strrstate(*r), inet_ntoa(t->ad), t->hostname);
}
}
}else{
switch(moption.loglevel){
case 2:
if(*r == MAKUO_RECVSTATE_NONE){
lprintf(2, "%s: %s %s(%s)\n", __func__, strrstate(*r), inet_ntoa(t->ad), t->hostname);
}
break;
default:
lprintf(3, "%s: %s %s(%s)\n", __func__, strrstate(*r), inet_ntoa(t->ad), t->hostname);
break;
}
}
}
}
m->retrycnt--;
return(0);
}
/* send & free */
static void msend_shot(int s, mfile *m)
{
if(!msend_packet(s, &(m->mdata), &(m->addr))){
msend_mfdel(m);
}
}
/******************************************************************
*
* 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)
{
msend_shot(s, m);
}
static void msend_ack_md5(int s, mfile *m)
{
int r;
unsigned char hash[16];
unsigned char buff[8192];
mfile *d = m->link;
if(!d){
msend_shot(s, m);
return;
}
r = read(d->fd, buff, sizeof(buff));
if(r > 0){
MD5_Update(&(d->md5), buff, r);
return;
}
if(r == -1){
if(errno == EINTR){
return;
}
d->mdata.head.error = errno;
d->mdata.head.nstate = MAKUO_RECVSTATE_READERROR;
lprintf(0, "[error] %s: file read error %s\n", __func__, d->fn);
MD5_Final(hash, &(d->md5));
}else{
MD5_Final(hash, &(d->md5));
if(!memcmp(hash, d->mdata.data, 16)){
d->mdata.head.nstate = MAKUO_RECVSTATE_MD5OK;
}else{
d->mdata.head.nstate = MAKUO_RECVSTATE_MD5NG;
}
}
m->mdata.head.error = d->mdata.head.error;
m->mdata.head.nstate = d->mdata.head.nstate;
close(d->fd);
d->fd = -1;
d->link = NULL;
m->link = NULL;
msend_shot(s, m);
}
static void msend_ack_dsync(int s, mfile *m)
{
msend_shot(s, m);
}
static void msend_ack_del(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;
case MAKUO_OP_DSYNC:
msend_ack_dsync(s, m);
break;
case MAKUO_OP_DEL:
msend_ack_del(s, m);
break;
/* æ©è½è¿½å ã¯ãã */
}
}
/******************************************************************
*
* req send functions (for source node tasks)
*
*******************************************************************/
static void msend_req_send_break_init(int s, mfile *m)
{
m->sendwait = 1;
m->initstate = 0;
ack_clear(m, -1);
msend_packet(s, &(m->mdata), &(m->addr));
}
static void msend_req_send_break(int s, mfile *m)
{
if(m->initstate){
msend_req_send_break_init(s, m);
return;
}
if(m->sendwait){
msend_packet(s, &(m->mdata), &(m->addr));
return;
}
msend_mfdel(m);
}
static void msend_req_send_stat_init(int s, mfile *m)
{
mstat fs;
uint64_t dev;
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, "[error] %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));
dev = (uint64_t)(m->fs.st_rdev);
m->mdata.head.szdata = 0;
data_safeset(&(m->mdata), &fs, sizeof(fs));
data_safeset(&(m->mdata), m->fn, strlen(m->fn));
data_safeset(&(m->mdata), m->ln, strlen(m->ln));
data_safeset32(&(m->mdata), (uint32_t)(dev >> 32));
data_safeset32(&(m->mdata), (uint32_t)(dev & 0xFFFFFFFF));
m->sendwait = 1;
m->initstate = 0;
ack_clear(m, -1);
msend_packet(s, &(m->mdata), &(m->addr));
}
static void msend_req_send_stat_delete_report(mfile *m)
{
mhost *t;
uint8_t *r;
char *dryrun = "";
if(m->dryrun){
dryrun = "(dryrun) ";
if(ack_check(m, MAKUO_RECVSTATE_DELETEOK) == 1){
if(m->comm){
if(m->comm->loglevel == 0){
cprintf(0, m->comm, "%s[delete:%s]\n", dryrun, m->fn);
}
}
}
}
for(t=members;t;t=t->next){
if(m->sendto){
if(t != member_get(&(m->addr.sin_addr))){
continue;
}
}
if((r = get_hoststate(t, m))){
if(*r == MAKUO_RECVSTATE_DELETEOK){
cprintf(1, m->comm, "%sdelete %s:%s\n", dryrun, t->hostname, m->fn);
lprintf(1, "%sdelete %s:%s\n", dryrun, t->hostname, m->fn);
}
}
}
}
static void msend_req_send_stat_update_report(mfile *m)
{
uint8_t *r;
mhost *t;
char *dryrun = "";
if(m->dryrun){
dryrun = "(dryrun) ";
if(ack_check(m, MAKUO_RECVSTATE_UPDATE) == 1){
if(m->comm){
if(m->comm->loglevel == 0){
cprintf(0, m->comm, "%s[update:%s]\n", dryrun, m->fn);
}
}
}
}
for(t=members;t;t=t->next){
if(m->sendto){
if(t != member_get(&(m->addr.sin_addr))){
continue;
}
}
if((r = get_hoststate(t, m))){
if(*r == MAKUO_RECVSTATE_UPDATE){
cprintf(1, m->comm, "%supdate %s:%s\r\n", dryrun, t->hostname, m->fn);
lprintf(1, "%supdate %s:%s\n", dryrun, t->hostname, m->fn);
}
if(*r == MAKUO_RECVSTATE_SKIP){
cprintf(2, m->comm, "%sskip %s:%s\r\n", dryrun, t->hostname, m->fn);
lprintf(5, "%sskip %s:%s\n", dryrun, t->hostname, m->fn);
}
if(*r == MAKUO_RECVSTATE_READONLY){
cprintf(3, m->comm, "%sskipro %s:%s\r\n", dryrun, t->hostname, m->fn);
lprintf(6, "%sskipro %s:%s\n", dryrun, t->hostname, m->fn);
}
}
}
}
static void msend_req_send_stat(int s, mfile *m)
{
if(m->initstate){
msend_req_send_stat_init(s, m);
return;
}
if(m->sendwait){
msend_packet(s, &(m->mdata), &(m->addr));
return;
}
if(m->mdata.head.flags & MAKUO_FLAG_SYNC){
msend_req_send_stat_delete_report(m);
m->initstate = 1;
m->mdata.head.ostate = m->mdata.head.nstate;
m->mdata.head.nstate = MAKUO_SENDSTATE_LAST;
}else{
msend_req_send_stat_update_report(m);
m->initstate = 1;
m->mdata.head.ostate = m->mdata.head.nstate;
if(m->dryrun){
m->mdata.head.nstate = MAKUO_SENDSTATE_CLOSE;
}else{
if(ack_check(m, MAKUO_RECVSTATE_UPDATE) == 1){
m->mdata.head.nstate = MAKUO_SENDSTATE_OPEN;
}else{
m->mdata.head.nstate = MAKUO_SENDSTATE_CLOSE;
}
}
}
}
static void msend_req_send_open_init(int s, mfile *m)
{
int e;
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{
e = errno;
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: %s %s\n", strerror(e), m->fn);
lprintf(0, "[error] %s: %s %s\n", __func__, strerror(e), 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;
}
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 r;
off_t offset;
if(!m->mark){
/* close */
m->initstate = 1;
m->mdata.head.ostate = m->mdata.head.nstate;
m->mdata.head.nstate = MAKUO_SENDSTATE_CLOSE;
return;
}
m->mdata.head.seqno = seq_getmark(m);
offset = m->mdata.head.seqno;
offset *= MAKUO_BUFFER_SIZE;
lseek(m->fd, offset, 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, "[error] %s: can't read (%s) seqno=%d %s\n", __func__, strerror(errno), m->mdata.head.seqno, m->fn);
cprintf(0, m->comm, "error: can't read (%s) seqno=%d %s\n", strerror(errno), m->mdata.head.seqno, m->fn);
}
}
if(!m->mark){
m->initstate = 1;
m->mdata.head.nstate = MAKUO_SENDSTATE_MARK;
}
}
static void msend_req_send_filedata(int s, mfile *m)
{
off_t offset;
int readsize;
if(m->mark){
m->mdata.head.seqno = seq_getmark(m);
}else{
m->mdata.head.seqno = m->seqnonow++;
}
offset = m->mdata.head.seqno;
offset *= MAKUO_BUFFER_SIZE;
lseek(m->fd, offset, SEEK_SET);
readsize = read(m->fd, m->mdata.data, MAKUO_BUFFER_SIZE);
if(readsize > 0){
m->mdata.head.szdata = readsize;
msend_packet(s, &(m->mdata), &(m->addr));
}else{
if(readsize == -1){
/* err */
lprintf(0, "[error] %s: can't read (%s) seqno=%d %s\n", __func__, strerror(errno), m->mdata.head.seqno, m->fn);
cprintf(0, m->comm, "error: can't read (%s) seqno=%d %s\n", strerror(errno), m->mdata.head.seqno, m->fn);
}else{
/* eof */
lprintf(9, "%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->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);
ack_clear(m, MAKUO_RECVSTATE_MARK);
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;
}
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(4, "update complate %s\n", m->fn);
}
m->initstate = 1;
m->mdata.head.nstate = MAKUO_SENDSTATE_LAST;
}
static void msend_req_send_last_init(int s, mfile *m)
{
m->sendwait = 1;
m->initstate = 0;
ack_clear(m, -1);
msend_packet(s, &(m->mdata), &(m->addr));
}
static void msend_req_send_last(int s, mfile *m)
{
if(m->initstate){
msend_req_send_last_init(s, m);
return;
}
if(m->sendwait){
msend_packet(s, &(m->mdata), &(m->addr));
return;
}
if(ack_check(m, MAKUO_RECVSTATE_SKIP) == 1){
msend_req_send_last_init(s, m);
return;
}
if(ack_check(m, MAKUO_RECVSTATE_CLOSE) == 1){
msend_req_send_last_init(s, m);
return;
}
msend_mfdel(m);
}
/*----- send -----*/
static void msend_req_send(int s, mfile *m)
{
if(!m->comm){
if(m->mdata.head.nstate != MAKUO_SENDSTATE_BREAK){
m->initstate = 1;
m->mdata.head.nstate = MAKUO_SENDSTATE_BREAK;
}
}
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)
{
int e;
int r;
mhash *h;
char buff[8192];
h = (mhash *)m->mdata.data;
r = read(m->fd, buff, sizeof(buff));
if(r > 0){
MD5_Update(&(m->md5), buff, r);
return;
}
e = errno;
if(r == -1){
if(e == EINTR){
return;
}
lprintf(0, "[error] %s: file read error(%s) %s\n", __func__, strerror(e), m->fn);
cprintf(0, m->comm, "error: file read error(%s) %s\n", strerror(e), m->fn);
MD5_Final(h->hash, &(m->md5));
close(m->fd);
m->fd = -1;
msend_mfdel(m);
return;
}
MD5_Final(h->hash, &(m->md5));
close(m->fd);
m->fd = -1;
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){
msend_req_md5_open_init(s, m);
return;
}
if(m->sendwait){
msend_packet(s, &(m->mdata), &(m->addr));
return;
}
if(ack_check(m, MAKUO_RECVSTATE_OPEN) == 1){
m->initstate = 0;
m->sendwait = 1;
ack_clear(m, MAKUO_RECVSTATE_OPEN);
return;
}
m->initstate = 1;
m->sendwait = 0;
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;
}
msend_mfdel(m);
}
/*----- md5 -----*/
static void msend_req_md5(int s, mfile *m)
{
if(!m->comm){
if(m->mdata.head.nstate == MAKUO_SENDSTATE_OPEN){
if(m->initstate){
MD5_Final(m->mdata.data, &(m->md5));
close(m->fd);
m->fd = -1;
msend_mfdel(m);
return;
}else{
m->initstate = 1;
m->mdata.head.nstate = MAKUO_SENDSTATE_CLOSE;
}
}
}
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;
}
}
static void msend_req_dsync_open(int s, mfile *m)
{
if(m->initstate){
m->initstate = 0;
m->sendwait = 1;
msend_packet(s, &(m->mdata), &(m->addr));
return;
}
if(m->sendwait){
msend_packet(s, &(m->mdata), &(m->addr));
return;
}
m->initstate = 1;
m->mdata.head.nstate = MAKUO_SENDSTATE_DATA;
}
static void msend_req_dsync_data_init(int s, mfile *m)
{
uint16_t len;
int excludecnt = 0;
excludeitem *e = NULL;
m->sendwait = 1;
m->initstate = 0;
for(e=m->comm->exclude;e;e=e->next){
if(excludecnt == m->mdata.head.seqno){
break;
}
excludecnt++;
}
m->mdata.head.szdata = 0;
while(e){
len = strlen(e->pattern);
if(m->mdata.head.szdata + sizeof(uint16_t) + len > MAKUO_BUFFER_SIZE){
break;
}
data_safeset16(&(m->mdata), len);
data_safeset(&(m->mdata), e->pattern, len);
m->mdata.head.seqno++;
e = e->next;
}
if(m->mdata.head.szdata == 0){
m->mdata.head.seqno++;
}
}
static void msend_req_dsync_data(int s, mfile *m)
{
if(m->initstate){
msend_req_dsync_data_init(s, m);
msend_packet(s, &(m->mdata), &(m->addr));
return;
}
if(m->sendwait){
msend_packet(s, &(m->mdata), &(m->addr));
return;
}
m->initstate = 1;
if(m->mdata.head.szdata == 0){
m->mdata.head.nstate = MAKUO_SENDSTATE_CLOSE;
}
}
static void msend_req_dsync_close(int s, mfile *m)
{
if(m->initstate){
m->sendwait = 1;
m->initstate = 0;
ack_clear(m, MAKUO_RECVSTATE_OPEN);
msend_packet(s, &(m->mdata), &(m->addr));
return;
}
if(m->sendwait){
msend_packet(s, &(m->mdata), &(m->addr));
return;
}
if(ack_check(m, MAKUO_RECVSTATE_OPEN)){
m->sendwait = 0;
m->initstate = 1;
}else{
msend_packet(s, &(m->mdata), &(m->addr));
msend_mfdel(m);
}
}
static void msend_req_dsync_break(int s, mfile *m)
{
if(m->initstate){
m->initstate = 0;
m->sendwait = 1;
ack_clear(m, -1);
msend_packet(s, &(m->mdata), &(m->addr));
return;
}
if(m->sendwait){
msend_packet(s, &(m->mdata), &(m->addr));
return;
}
msend_mfdel(m);
}
/*----- dsync -----*/
static void msend_req_dsync(int s, mfile *m)
{
if(!m->comm){
if(m->mdata.head.nstate != MAKUO_SENDSTATE_BREAK){
m->initstate = 1;
m->mdata.head.nstate = MAKUO_SENDSTATE_BREAK;
}
}
switch(m->mdata.head.nstate){
case MAKUO_SENDSTATE_OPEN:
msend_req_dsync_open(s, m);
break;
case MAKUO_SENDSTATE_DATA:
msend_req_dsync_data(s, m);
break;
case MAKUO_SENDSTATE_CLOSE:
msend_req_dsync_close(s, m);
break;
case MAKUO_SENDSTATE_BREAK:
msend_req_dsync_break(s, m);
break;
}
}
static int msend_req_del_stat_read_pathcmp(int s, mfile *m)
{
char *p1;
char *p2;
mfile *a;
for(a=mftop[MFRECV];a;a=a->next){
if(a->mdata.head.opcode == MAKUO_OP_SEND){
p1 = a->tn;
p2 = m->tn;
while((strlen(p1) > 1) && (memcmp(p1, "./" ,2) == 0)){
p1 += 2;
}
while((strlen(p2) > 1) && (memcmp(p2, "./" ,2) == 0)){
p2 += 2;
}
if(!strcmp(p1,p2)){
return(1);
}
}
}
return(0);
}
static void msend_req_del_stat_read(int s, mfile *m)
{
int r;
mfile *d;
uint16_t len;
for(d=mftop[MFSEND];d;d=d->next){
if(d->link == m){
if(d->mdata.head.nstate == MAKUO_SENDSTATE_WAIT){
break;
}
}
}
if(!d){
d = mkreq(&(m->mdata), &(m->addr), MAKUO_SENDSTATE_WAIT);
d->mdata.head.flags = m->mdata.head.flags;
d->mdata.head.reqid = getrid();
d->initstate = 1;
d->sendwait = 0;
d->sendto = 1;
d->dryrun = m->dryrun;
d->recurs = m->recurs;
d->link = m;
d->mdata.p = d->mdata.data;
}
if(m->len >= sizeof(m->mod)){
len = m->len - sizeof(m->mod);
data_safeset16(&(d->mdata), m->len);
data_safeset32(&(d->mdata), m->mod);
data_safeset(&(d->mdata), m->tn, len);
m->len = 0;
}
while(1){
if((r = atomic_read(m->pipe, &(m->len), sizeof(m->len), 1))){
if(r == -1){
if(errno == EAGAIN){
return;
}else{
lprintf(0, "[error] %s: length read error\n", __func__);
}
}
break;
}
if(m->len <= sizeof(m->mod)){
lprintf(0, "[error] %s: length error\n", __func__);
break;
}
len = m->len - sizeof(m->mod);
if(atomic_read(m->pipe, &(m->mod), sizeof(m->mod), 0)){
lprintf(0, "[error] %s: filemode read error\n", __func__);
break;
}
if(atomic_read(m->pipe, m->tn, len, 0)){
lprintf(0, "[error] %s: filename read error\n", __func__);
break;
}
m->tn[len] = 0;
if(lstat(m->tn, &(m->fs)) == -1){
if(errno == ENOENT){
m->len = 0;
continue;
}
}
if(msend_req_del_stat_read_pathcmp(s, m)){
m->len = 0;
continue;
}
if(d->mdata.head.szdata + sizeof(m->len) + m->len > MAKUO_BUFFER_SIZE){
d->mdata.head.nstate = MAKUO_SENDSTATE_OPEN;
}else{
strcpy(d->fn, m->tn);
data_safeset16(&(d->mdata), m->len);
data_safeset32(&(d->mdata), m->mod);
data_safeset(&(d->mdata), m->tn, len);
m->len = 0;
}
return;
}
d->mdata.head.nstate = MAKUO_SENDSTATE_OPEN;
close(m->pipe);
m->pipe = -1;
m->initstate = 1;
m->sendwait = 0;
}
static int msend_req_del_stat_waitcheck(int s, mfile *m)
{
mfile *a;
for(a=mftop[0];a;a=a->next){
if((a->mdata.head.opcode == MAKUO_OP_DEL) && (a->link == m)){
return(1);
}
}
return(0);
}
static void msend_req_del_stat(int s, mfile *m)
{
if(m->pipe != -1){
msend_req_del_stat_read(s, m);
}else{
if(msend_req_del_stat_waitcheck(s, m)){
m->sendwait = 1;
}else{
if(m->link){
msend(mkack(&(m->link->mdata), &(m->link->addr), MAKUO_RECVSTATE_CLOSE));
}
if(waitpid(m->pid, NULL, WNOHANG) != m->pid){
m->sendwait = 1;
}else{
m->pid = 0;
msend_mfdel(m);
}
}
}
}
static void msend_req_del_break(int s, mfile *m)
{
mfile *d;
for(d=mftop[MFSEND];d;d=d->next){
if(d->link == m){
if(d->mdata.head.nstate == MAKUO_SENDSTATE_WAIT){
msend_mfdel(d);
break;
}
}
}
msend_mfdel(m);
lprintf(0,"%s: break dsync\n", __func__);
}
static void msend_req_del_open(int s, mfile *m)
{
if(m->initstate){
m->initstate = 0;
m->sendwait = 1;
ack_clear(m, -1);
msend_packet(s, &(m->mdata), &(m->addr));
return;
}
if(m->sendwait){
msend_packet(s, &(m->mdata), &(m->addr));
return;
}
m->initstate = 1;
}
static void msend_req_del_data(int s, mfile *m)
{
if(m->initstate){
m->initstate = 0;
m->sendwait = 1;
ack_clear(m, -1);
msend_packet(s, &(m->mdata), &(m->addr));
return;
}
if(m->sendwait){
msend_packet(s, &(m->mdata), &(m->addr));
return;
}
m->initstate = 1;
m->sendwait = 0;
m->mdata.head.nstate = MAKUO_SENDSTATE_CLOSE;
}
static void msend_req_del_close(int s, mfile *m)
{
if(m->initstate){
m->initstate = 0;
m->sendwait = 1;
ack_clear(m, -1);
msend_packet(s, &(m->mdata), &(m->addr));
return;
}
if(m->sendwait){
msend_packet(s, &(m->mdata), &(m->addr));
return;
}
if(m->link){
m->link->sendwait = 0;
}
m->link = NULL;
msend_mfdel(m);
}
/*----- del -----*/
static void msend_req_del(int s, mfile *m)
{
switch(m->mdata.head.nstate){
case MAKUO_SENDSTATE_STAT:
msend_req_del_stat(s, m);
break;
case MAKUO_SENDSTATE_BREAK:
msend_req_del_break(s, m);
break;
case MAKUO_SENDSTATE_OPEN:
msend_req_del_open(s, m);
break;
case MAKUO_SENDSTATE_DATA:
msend_req_del_data(s, m);
break;
case MAKUO_SENDSTATE_CLOSE:
msend_req_del_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;
case MAKUO_OP_DSYNC:
msend_req_dsync(s, m);
break;
case MAKUO_OP_DEL:
msend_req_del(s, m);
break;
/* æ©è½è¿½å ã¯ãã */
}
}
/******************************************************************
*
* send common functions (public)
*
*******************************************************************/
void msend(mfile *m)
{
if(!m){
return;
}
if(m->mdata.head.flags & MAKUO_FLAG_ACK){
msend_ack(moption.mcsocket, m);
}else{
if(!msend_retry(m)){
msend_req(moption.mcsocket, m);
mtimeget(&m->lastsend);
}
}
}
void msend_clean()
{
mfile *m = mftop[MFSEND];
while((m = msend_mfdel(m)));
}