#include <sys/stat.h>
#include <fcntl.h>
#include <unistd.h>
+#include <signal.h>
#include "nlsop.h"
#include "dfbapi.h"
#include "event.h"
#include "list.h"
-#define NLSOP_GUI 'g'
-#define NLSOP_CLIENT 'c'
-#define NLSOP_NJOB 'N'
-#define NLSOP_CJOB 'C'
+#include "nlsop_general.h"
-typedef struct s_client {
- int channel;
- unsigned char status;
-#define IDLE (1<<0)
-#define WORK (1<<1)
-} t_client;
+/* globals */
+int *gi;
+t_net *gnet;
+t_event *gevent;
+t_list *gc_list;
+t_list *gg_list;
+int alert;
-typedef struct s_job {
- int channel;
- unsigned char status;
-#define IN_QUEUE (1<<0)
-#define IN_WORK (1<<1)
- int progress;
- unsigned char *ac;
- int *cc;
- int x,y,z;
- info info;
- int step;
-} t_job;
+/*
+ * server specific stuff
+ */
int usage(char *prog)
{
return 1;
}
-/*
- * server specific stuff
- */
-
int add_node(t_net *net,t_event *event,t_list *c_list,t_list *g_list) {
int channel;
unsigned char data;
t_client client;
- t_job job;
int gui_chan;
channel=network_manage_incoming(net);
channel);
/* are you client or gui? */
- network_receive_chan(net,chanel,&data,1);
+ network_receive_chan(net,channel,&data,1);
if(data==NLSOP_GUI) {
gui_chan=channel;
list_add_element(g_list,&gui_chan,sizeof(int));
+ printf("node is a gui\n");
}
else if(data==NLSOP_CLIENT) {
client.status=IDLE;
client.channel=channel;
list_add_element(c_list,&client,sizeof(t_client));
+ printf("node is a client\n");
}
else {
printf("not a client or gui - lets kick that ass out of here!\n");
/* if we have a new node - care for it! */
event_math(net->connection[channel].fd,event,READ,ADD);
+ printf("\n");
+
return 1;
}
int save_job(t_net *net,int channel,t_job *job,unsigned char dc) {
char filename[128];
- inf fd;
+ int fd;
int ret;
+ d3_lattice d3l;
+ info info;
ret=network_receive_chan(net,channel,job->ac,job->size*sizeof(unsigned char));
if(ret==N_ERROR) printf("FATAL: getting ac status failed\n");
- ret=network_receice_chan(net,channel,job->cc,job->size*sizeof(int));
+ ret=network_receive_chan(net,channel,(unsigned char *)job->cc,
+ job->size*sizeof(int));
if(ret==N_ERROR) printf("FATAL: getting cc failed\n");
- ret=network_receive_chan(net,channel,&(job->step),sizeof(int));
+ ret=network_receive_chan(net,channel,(unsigned char *)&(job->step),
+ sizeof(int));
if(ret==N_ERROR) printf("FATAL: getting step number failed\n");
if(dc!=DC_QUIT) {
- snprintf(filename,"nlsop_b%f_c%f_s%f_ds%d_dr%f_Z%c__%d_of_%d.save",
- job->info->b,job->info->c,job->info->s,
- job->info->diff_rate,job->info->dr_ac,
- job->info->z_diff?'y':'n',
- job->step,job->info->steps);
+ snprintf(filename,128,"./data/nlsop_b%f_c%f_s%f_ds%d_dr%f_-_%d_of_%d.save",
+ job->info.b,job->info.c,job->info.s,
+ job->info.diff_rate,job->info.dr_ac,
+ job->step,job->info.steps);
if((fd=open(filename,O_WRONLY|O_CREAT))<0) {
printf("FATAL: unable to open file %s\n",filename);
return -1;
}
+ memset(&d3l,0,sizeof(d3_lattice));
+ d3l.max_x=job->x;
+ d3l.max_y=job->y;
+ d3l.max_z=job->z;
+ if(write(fd,&d3l,sizeof(d3_lattice))<sizeof(d3_lattice)) {
+ printf("FATAL: write of d3_lattice failed\n");
+ return -1;
+ }
+
+ if(write(fd,&(job->info),sizeof(info))<sizeof(info)) {
+ printf("FATAL: write of info failed\n");
+ return -1;
+ }
+
+ ret=write(fd,job->ac,job->size*sizeof(unsigned char));
+ if(ret<job->size*sizeof(unsigned char)) {
+ printf("FATAL: write of a/c states failed\n");
+ return -1;
+ }
+
+ ret=write(fd,job->cc,job->size*sizeof(int));
+ if(ret<job->size*sizeof(int)) {
+ printf("FATAL: write of c.-conc. failed\n");
+ return -1;
+ }
+ close(fd);
}
return 1;
}
-int handle_node(net,event,c_list,g_list,job) {
+int add_job(t_net *net,int chan,t_list *jl) {
+
+ t_job job;
+
+ job.channel=-1;
+ job.status=IN_QUEUE;
+ job.progress=0;
+
+ network_receive_chan(net,chan,(unsigned char *)&(job.x),sizeof(int));
+ network_receive_chan(net,chan,(unsigned char *)&(job.y),sizeof(int));
+ network_receive_chan(net,chan,(unsigned char *)&(job.z),sizeof(int));
+ network_receive_chan(net,chan,(unsigned char *)&(job.info),sizeof(info));
+
+ job.size=job.x*job.y*job.z;
+
+ job.ac=(unsigned char *)malloc(job.size*sizeof(unsigned char));
+ if(job.ac==NULL) {
+ printf("unable to malloc a/c memory\n");
+ return -1;
+ }
+
+ job.cc=(int *)malloc(job.size*sizeof(int));
+ if(job.cc==NULL) {
+ printf("unable to malloc cc memory\n");
+ return -1;
+ }
+
+ job.step=0;
+
+ list_add_element(jl,&job,sizeof(t_job));
+
+ return 1;
+}
+
+int send_status(t_net *net,int chan,t_list *jl) {
+
+ unsigned char data;
+ int count;
+ int i;
+
+ data=GUI_INFO;
+ count=list_count(jl);
+
+ network_send_chan(net,chan,&data,sizeof(unsigned char));
+ network_send_chan(net,chan,(unsigned char *)&count,sizeof(int));
+
+ list_reset(jl);
+ for(i=0;i<count;i++) {
+ network_send_chan(net,chan,jl->current->data,sizeof(t_job));
+ list_next(jl);
+ }
+
+ return 1;
+}
+
+int handle_node(t_net *net,t_event *event,
+ t_list *c_list,t_list *g_list,t_list *job) {
int i;
unsigned char data;
t_client *c;
t_job *j;
+ gi=&i;
+
for(i=0;i<MAX_CONNECTIONS;i++) {
if(FD_ISSET(net->connection[i].fd,&(event->rfds))) {
- if(network_receive_chan(net,i,&data,1)==N_ERROR) {
- printf("connection to client (ch %d) fucked up!\n",i);
- event_math(net->connection[i].fd,event,READ,REMOVE);
- network_close(net,i);
- list_del_current(c_list);
- return -1;
- }
+ alert=0;
+ alarm(1);
+ network_receive_chan(net,i,&data,1);
+ alarm(0);
+
+ if(alert==1) return -1;
if(list_search_data(c_list,&i,sizeof(int))==L_SUCCESS) {
/* it's a client */
if(data==DC_END) {
save_job(net,i,j,DC_END);
/* reset client */
- c->channel=i;
c->status=IDLE;
/* delete job entry */
list_del_current(job);
+ printf("job ended, saved and removed from list.\n");
}
if(data==DC_OK) {
save_job(net,i,j,DC_OK);
/* inc progress state */
j->progress+=1;
+ printf("job at next level, saved.\n");
}
if(data==DC_QUIT) {
list_del_current(c_list);
/* change job state */
j->status=IN_QUEUE;
+ printf("client terminating, job queued, client removed.\n");
}
}
else if(list_search_data(g_list,&i,sizeof(int))==L_SUCCESS) {
/* its a gui */
-
+ if(data==GUI_ADDJOB) add_job(net,i,job);
+
+ else if(data==GUI_INFO) send_status(net,i,job);
+
+ else if(data==GUI_QUIT) {
+ printf("disconnecting gui on channel %d\n",i);
+ event_math(net->connection[i].fd,event,READ,REMOVE);
+ network_close(net,i);
+ list_del_current(g_list);
+ }
+
+ else {
+ printf("unknown gui command\n");
+ return -1;
+ }
}
else {
}
}
}
+
+ printf("\n");
return 1;
}
+int distribute_jobs(t_event *event,void *allineed) {
+
+ t_net *net;
+ t_list *c_list,*g_list,*job;
+ int count_j,count_c;
+ t_job *j;
+ t_client *c;
+ unsigned char data;
+ d3_lattice d3l;
+ unsigned int addr[4];
+
+ memcpy(addr,allineed,4*sizeof(unsigned int));
+
+ net=(t_net *)addr[0];
+ c_list=(t_list *)addr[1];
+ g_list=(t_list *)addr[2];
+ job=(t_list *)addr[3];
+
+ count_j=list_count(job);
+ count_c=list_count(c_list);
+
+ list_reset(job);
+ list_reset(c_list);
+ while((count_c!=0)&&(count_j!=0)) {
+ j=(t_job *)job->current->data;
+ c=(t_client *)c_list->current->data;
+ while(c->status!=IDLE) {
+ list_next(c_list);
+ c=(t_client *)c_list->current->data;
+ }
+ while(j->status!=IN_QUEUE) {
+ list_next(job);
+ j=(t_job *)job->current->data;
+ }
+
+ /* direct current job to current client */
+ if(j->step==0) data=NLSOP_NJOB;
+ else data=NLSOP_CJOB;
+
+ c->status=WORK;
+ j->channel=c->channel;
+ j->status=IN_WORK;
+
+ d3l.max_x=j->x;
+ d3l.max_y=j->y;
+ d3l.max_z=j->z;
+
+ network_send_chan(net,c->channel,&data,sizeof(unsigned char));
+ network_send_chan(net,c->channel,(unsigned char *)&d3l,sizeof(d3_lattice));
+ network_send_chan(net,c->channel,(unsigned char *)&(j->info),sizeof(info));
+
+ if(data==NLSOP_CJOB) {
+ network_send_chan(net,c->channel,j->ac,j->size*sizeof(unsigned char));
+ network_send_chan(net,c->channel,(unsigned char *)&(j->cc),
+ j->size*sizeof(int));
+ }
+
+ --count_c;
+ --count_j;
+ list_next(c_list);
+ list_next(job);
+ }
+
+ return 1;
+}
+
int parse_incoming(t_event *event,void *allineed) {
t_net *net;
t_list *c_list,*g_list,*job;
+ unsigned int addr[4];
+
+ memcpy(addr,allineed,4*sizeof(unsigned int));
- net=(t_net *)allineed;
- c_list=(t_list *)(allineed+sizeof(t_net));
- g_list=(t_list *)(allineed+sizeof(t_net)+sizeof(t_list));
- job=(t_list *)(allineed+sizeof(t_net)+2*sizeof(t_list));
+ net=(t_net *)addr[0];
+ c_list=(t_list *)addr[1];
+ g_list=(t_list *)addr[2];
+ job=(t_list *)addr[3];
/* decide what to do */
- if(FD_ISSET(net->l.fd,&(event->rfds))) {
+ if(FD_ISSET(net->l_fd,&(event->rfds))) {
/* new node */
printf("new node ...\n");
add_node(net,event,c_list,g_list);
return 1;
}
+void destroy_it(int signum) {
+
+ printf("connection to client (ch %d) fucked up!\n",*gi);
+ event_math(gnet->connection[*gi].fd,gevent,READ,REMOVE);
+ network_close(gnet,*gi);
+ if(list_search_data(gc_list,gi,sizeof(int))==L_SUCCESS) {
+ list_del_current(gc_list);
+ printf("removed client from list\n");
+ }
+ if(list_search_data(gg_list,gi,sizeof(int))==L_SUCCESS) {
+ list_del_current(gg_list);
+ printf("removed gui from list\n");
+ }
+
+ alert=1;
+ alarm(0);
+
+}
+
/*
* main program
*/
t_list g_list;
t_list job;
void *allyouneed;
+ unsigned int addr[4];
+
+ gnet=&net;
+ gevent=&event;
+ gc_list=&c_list;
+ gg_list=&g_list;
/* tzzz ... */
- allyouneed=malloc(sizeof(t_net)+3*sizeof(t_list));
- memcpy(allyouneed,&net,sizeof(t_net));
- memcpy(allyouneed+sizeof(t_net),&c_list,sizeof(list));
- memcpy(allyouneed+sizeof(t_net)+sizeof(t_list),&g_list,sizeof(list));
- memcpy(allyouneed+sizeof(t_net)+2*sizeof(t_list),&job,sizeof(list));
+ allyouneed=(void *)addr;
+ addr[0]=(unsigned int)&net;
+ addr[1]=(unsigned int)&c_list;
+ addr[2]=(unsigned int)&g_list;
+ addr[3]=(unsigned int)&job;
/* default values */
port=1025;
/* event init */
event_init(&event,1);
- event_set_timeout(&event,0,0);
+ /* 10 sec event timeout - distributing jobs */
+ event_set_timeout(&event,10,0);
+
+ /* list init */
+ list_init(&c_list,1);
+ list_init(&g_list,1);
+ list_init(&job,1);
/* connect to server */
network_init(&net,1);
return -1;
}
+ /* install sighandler */
+ signal(SIGALRM,destroy_it);
+
/* wait for events :) */
event_math(net.l_fd,&event,READ,ADD);
- event_start(&event,allyouneed,parse_incoming,NULL);
+ printf("\nNLSOP_SERVER started!\n\n");
+ event_start(&event,allyouneed,parse_incoming,distribute_jobs);
return 1;
}
projects / physik / nlsop.git / blobdiff