X-Git-Url: https://hackdaworld.org/gitweb/?a=blobdiff_plain;f=src%2Fivac.c;h=8b8acbc50923ad9b58fd6340546a838479455c72;hb=2fb65b9beceb0945b593e28332507aa1b7c3fd90;hp=c567f280d8c11b4e2ed1bb420517ebbfba54d0ad;hpb=4546108a81317af1135683e85b9340715e585339;p=my-code%2Fivac.git

diff --git a/src/ivac.c b/src/ivac.c
index c567f28..8b8acbc 100644
--- a/src/ivac.c
+++ b/src/ivac.c
@@ -21,6 +21,8 @@
  *
  */
 
+// #define DISPLAY
+
 #include "ivac.h"
 
 int main(int argc,char **argv) {
@@ -28,33 +30,138 @@ int main(int argc,char **argv) {
   /* TESTING BY NOW */
 
   t_ivac ivac;
+  int i;
 
   /* set username (futur: read from config or entered later) */
   strcpy(ivac.username,"hackbard");
+  for(i=0;i<IVAC_CONSOLE_LEN;i++)
+    memset(ivac.console[i],0,IVAC_CONSOLE_STRING_LEN);
+
+  /* set capabilities (futur: set by check routines) */
+  ivac.g_cap=NETWORK;
+  ivac.av_cap=AUDIO|VIDEO|DUPLEX;
 
   /* set event timeout */
   ivac.event.timeout.tv_sec=IVAC_S_SEC;
   ivac.event.timeout.tv_usec=IVAC_S_USEC;
-
-  /* set listen port (futur: read from config or entered later) */
-  network_set_listen_port(&(ivac.net),IVAC_LISTEN_PORT);
-
   /* event init */
   event_init(&(ivac.event));
 
   /* input init */
+  ivac.input.mode=CONTENT_BUFFER;
   input_init(&(ivac.input));
 
+  /* set listen port (futur: read from config or entered later) */
+  network_set_listen_port(&(ivac.net),IVAC_LISTEN_PORT);
   /* network init */
-  network_init(&(ivac.net));
+  if(network_init(&(ivac.net))==N_ERROR) {
+    printf("[ivac] use 'fuser -n tcp %d' to determine the process to kill!\n",
+           ivac.net.l_port);
+    ivac_shutdown(&ivac);
+    return ERROR;
+  }
 
   /* add listening port + stdin to (read) event system */
   event_math(ivac.net.l_fd,&(ivac.event),READ,ADD);
   event_math(0,&(ivac.event),READ,ADD);
 
+  /* display init */
+#ifdef DISPLAY
+  display_init(&(ivac.display));
+#endif
+
+  /* display */
+#ifdef DISPLAY
+  ivac_display(&(ivac.display));
+#endif
+
   /* start event system - callbacks used: ivac_event_cb + ivac_regular_cb */
   event_start(&(ivac.event),(void *)&ivac,ivac_event_cb,ivac_regular_cb);
 
+  // ivac_shutdown(&ivac);
+
+  return SUCCESS;
+}
+
+int ivac_shutdown(t_ivac *ivac) {
+
+  network_shutdown(&(ivac->net));
+  input_shutdown(&(ivac->input));
+  event_stop(&(ivac->event));
+#ifdef DISPLAY
+  display_shutdown(&(ivac->display));
+#endif
+
+  return SUCCESS;
+}
+
+int ivac_send_info(int channel,t_ivac *ivac) {
+
+  char data[SEND_N_MAX];
+  int size;
+
+  size=strlen(ivac->username);
+
+  data[0]=IVAC_SEND_NAME;
+  data[1]=size;
+  strncpy(data+2,ivac->username,size);
+  size+=2;
+
+  data[size]=IVAC_SEND_G_CAP;
+  data[size+1]=1;
+  data[size+2]=ivac->g_cap;
+  size+=3;
+
+  data[size]=IVAC_SEND_AV_CAP;
+  data[size+1]=2;
+  data[size+2]=(ivac->av_cap)>>8;
+  data[size+3]=(ivac->av_cap)&0xff;
+  size+=4;
+
+  if(network_send(ivac->net.connection[channel].fd,data,size)==N_ERROR) {
+    puts("[ivac] ivac_send_info failed");
+    return ERROR;
+  }
+
+  return SUCCESS;
+}
+
+int ivac_receive_info(int channel,t_ivac *ivac) {
+
+  char data[SEND_N_MAX];
+  int count,length;
+
+  count=0;
+
+  if((length=network_receive(ivac->net.connection[channel].fd,
+                             data,SEND_N_MAX))==N_ERROR) {
+    puts("[ivac] ivac_receive_info failed");
+    return ERROR;
+  }
+
+  while(length-count) {
+    switch(data[count]) {
+      case IVAC_SEND_NAME:
+        strncpy(ivac->challenger[channel].name,data+count+2,data[count+1]);
+        ivac->challenger[channel].name[data[count+1]]='\0';
+        count+=(data[count+1]+2);
+        break;
+      case IVAC_SEND_G_CAP:
+        ivac->challenger[channel].g_cap=data[count+2];
+        count+=3;
+        break;
+      case IVAC_SEND_AV_CAP:
+        ivac->challenger[channel].av_cap=data[count+2]<<8;
+        ivac->challenger[channel].av_cap|=data[count+3];
+        count+=4;
+        break;
+      default:
+        puts("[ivac] ivac_receive_info, unknown character");
+        return ERROR;
+        break;
+    }
+  }
+
   return SUCCESS;
 }
 
@@ -69,17 +176,23 @@ int ivac_event_cb(t_event *event,void *ptr) {
     /* manage incoming + send info */
     channel=network_manage_incoming(&(ivac->net));
     event_math(ivac->net.connection[channel].fd,event,READ,ADD);
-    send_info(channel,&(ivac->net),ivac->username);
+    ivac_send_info(channel,ivac);
   }
 
   /* receive info */
   for(channel=0;channel<MAX_CONNECTIONS;channel++)
     if(ivac->net.connection[channel].status&C_ESTABL)
       if(FD_ISSET(ivac->net.connection[channel].fd,&(event->rfds)))
-        receive_info(channel,&(ivac->net));
+        ivac_receive_info(channel,ivac);
 
   /* user interaction */
-  if(FD_ISSET(0,&(event->rfds))) input_get_char(ivac);
+  if(FD_ISSET(0,&(event->rfds)))
+    input_get_event(&(ivac->input),ivac_parse_command,ivac);
+
+  /* display ivac gui */
+#ifdef DISPLAY
+  ivac_display_content(ivac);
+#endif
     
   return SUCCESS;
 }
@@ -90,3 +203,294 @@ int ivac_regular_cb(t_event *event,void *ptr) {
 
   return SUCCESS;
 }
+
+int ivac_parse_command(t_input *input,void *ptr) {
+
+  t_ivac *ivac;
+  int i,j,k;
+  int len;
+  int channel;
+  char *data,valid;
+  char c_str[IVAC_CONSOLE_STRING_LEN];
+  char arg[IVAC_ARG_COUNT][IVAC_ARG_LEN];
+
+  ivac=(t_ivac *)ptr;
+  data=input->content;
+  valid=0;
+
+  printf("%c",data[input->c_count-1]);
+  fflush(NULL);
+
+  /* parse command routines */
+
+  if(data[input->c_count-1]=='\n') {
+
+    /* delete console string + args */
+    memset(c_str,0,IVAC_CONSOLE_STRING_LEN);
+    for(j=0;j<IVAC_ARG_COUNT;j++) memset(arg[j],0,IVAC_ARG_LEN);
+
+    /* get args */
+
+    len=0;
+    while(data[len]!='\n') len++;
+    i=0; j=0;
+    while((i<len) && (j<IVAC_ARG_COUNT)) {
+      k=0;
+      while((data[i+k]!=' ')&&(data[i+k]!='\n')) {
+        arg[j][k]=data[i+k];
+        k++;
+      }
+      arg[j][k]='\0';
+      j++;
+      /* skip all ' ' */
+      while(data[i+k]==' ') k++;
+      i+=k;
+    }
+
+    /* parse command  aka arg[0] */
+    if(!(strncmp(arg[0],"quit",4))) {
+      valid=1;
+      sprintf(c_str,"ivac shutdown ...");
+      ivac_shutdown(ivac);
+    }
+    if(!(strncmp(arg[0],"set",3))) {
+      valid=1;
+      if((arg[1][0]>='0')&&(arg[1][0]<='9')) channel=atoi(arg[1]);
+      else channel=-1;
+      if(!(strncmp(arg[1],"name",4))) {
+        strncpy(ivac->username,arg[2],CHAR_USERNAME);
+        sprintf(c_str,"changed username to %s",ivac->username);
+      }
+      else if((channel>=0)&&(channel<MAX_CONNECTIONS)) {
+        if(ivac->net.connection[channel].status&C_IN_USE) {
+          sprintf(c_str,"channel %02d: connection in use",channel);
+        }
+        else {
+          strncpy(ivac->net.connection[channel].ip,arg[2],IP_DIGITS);
+          ivac->net.connection[channel].port=atoi(arg[3]);
+          sprintf(c_str,"channel %02d: set connection info",channel);
+          ivac->net.connection[channel].status|=C_INFO_A;
+        }
+      } else snprintf(c_str,IVAC_CONSOLE_STRING_LEN,"unknown argument: '%s'",
+                      arg[1]);
+    }
+    if(!(strncmp(arg[0],"connect",7))) {
+      valid=1;
+      if((arg[1][0]>='0')&&(arg[1][0]<='9')) channel=atoi(arg[1]);
+      else channel=-1;
+      if((channel>=0)&&(channel<MAX_CONNECTIONS)) {
+        if(!ivac->net.connection[channel].status&C_INFO_A)
+          sprintf(c_str,"channel %02d: channel not configured",channel);
+        else {
+          if(ivac->net.connection[channel].status&C_IN_USE)
+            sprintf(c_str,"channel %02d: connection in use",channel);
+          else {
+            sprintf(c_str,"channel %02d: trying to connect to %s:%d",channel,
+                    ivac->net.connection[channel].ip,
+                    ivac->net.connection[channel].port);
+          }
+        }
+      }
+      else sprintf(c_str,"invalid argument: '%s'",arg[1]);
+    } 
+    if(!(strncmp(arg[0],"close",5))) {
+      valid=1;
+      if((arg[1][0]>='0')&&(arg[1][0]<='9')) channel=atoi(arg[1]);
+      else channel=-1;
+      if((channel>=0)&&(channel<MAX_CONNECTIONS)) {
+        if(!ivac->net.connection[channel].status&C_ESTABL)
+          sprintf(c_str,"channel %02d: no active connection",channel);
+        else {
+          ivac->net.connection[channel].status|=C_HANGUP;
+          sprintf(c_str,"channel %02d: connection closed",channel);
+        }
+      }
+      else sprintf(c_str,"invalid argument: '%s'",arg[1]);
+    }
+    if(!(strncmp(arg[0],"select",6))) {
+      valid=1;
+      if((arg[1][0]>='0')&&(arg[1][0]<='9')) channel=atoi(arg[1]);
+      else channel=-1;
+      if((channel>=0)&&(channel<MAX_CONNECTIONS)) {
+        ivac->net.sendmask|=(1<<channel);
+        sprintf(c_str,"selected channel %d",channel);
+      }
+      else if(arg[1][0]='*') {
+        ivac->net.sendmask=0xff;
+        strcpy(c_str,"selected all channels");
+      }
+      else sprintf(c_str,"invalid argument: '%s'",arg[1]);
+    }
+    if(!(strncmp(arg[0],"deselect",8))) {
+      valid=1;
+      if((arg[1][0]>='0')&&(arg[1][0]<='9')) channel=atoi(arg[1]);
+      else channel=-1;
+      if((channel>=0)&&(channel<MAX_CONNECTIONS)) {
+        ivac->net.sendmask&=(~(1<<channel));
+        sprintf(c_str,"deselected channel %d",channel);
+      }
+      else if(arg[1][0]='*') {
+        ivac->net.sendmask=0;
+        strcpy(c_str,"deselected all channels");
+      }
+      else sprintf(c_str,"invalid argument: '%s'",arg[1]);
+    }
+
+    if(!valid)
+      snprintf(c_str,IVAC_CONSOLE_STRING_LEN,"unknown command: '%s'",arg[0]);
+
+    ivac_add_to_monitor(ivac,c_str);
+      
+
+    /* delete content buffer + reset counter */
+    memset(input->content,0,input->c_count-1);
+    input->c_count=0;
+
+  }
+
+  return SUCCESS;
+}
+
+int ivac_display_head(t_display *display) {
+
+  int x,y;
+
+  move(0,0);
+  for(x=0;x<display->max_x;x++) addch('#');
+  mvaddstr(1,0,"##");
+  mvaddstr(1,(display->max_x-4)/2-4,"- ivac -");
+  mvaddstr(1,(display->max_x-2),"##");
+  move(2,0);
+  for(x=0;x<display->max_x;x++) addch('#');
+  refresh();
+
+  return SUCCESS;
+}
+
+int ivac_display_box(t_display *display) {
+  
+  int x,y;
+
+  for(y=IVAC_PROMPT_LEN;y<display->max_y-IVAC_PROMPT_LEN;y++) {
+    mvaddch(y,0,'#');
+    mvaddch(y,display->max_x-1,'#');
+  }
+
+  return SUCCESS;
+}
+
+int ivac_display_box_content(t_ivac *ivac) {
+
+
+  return SUCCESS;
+}
+
+int ivac_display_console(t_display *display) {
+                                             
+  int x,y;
+         
+  move(display->max_y-IVAC_CONSOLE_LEN-IVAC_PROMPT_LEN-1,0);
+  for(x=0;x<display->max_x;x++) addch('#');                         
+                                          
+  return SUCCESS;
+}
+
+int ivac_display_console_content(t_ivac *ivac) {
+
+  int x,y;
+  int len;
+
+  for(y=0;y<IVAC_CONSOLE_LEN;y++) {
+    len=strlen(ivac->console[y]);
+    move(ivac->display.max_y-IVAC_CONSOLE_LEN-IVAC_PROMPT_LEN+y,2);
+    for(x=0;x<len;x++)
+       addch(((ivac->console[y][x]>' ')||(ivac->console[y][x]<='~'))
+               ?ivac->console[y][x]:' ');
+    for(x=len;x<IVAC_CONSOLE_STRING_LEN-4;x++) addch(' ');
+  }
+  refresh();
+
+  return SUCCESS;
+}
+
+int ivac_display_prompt(t_display *display) {
+
+  int x,y;
+
+  move(display->max_y-3,0);
+  for(x=0;x<display->max_x;x++) addch('#');
+  mvaddstr(display->max_y-2,0,"## command: ");
+  mvaddstr(display->max_y-2,display->max_x-2,"##");
+  move(display->max_y-1,0);
+  for(x=0;x<display->max_x;x++) addch('#');
+  refresh();
+
+  return SUCCESS;
+}
+
+int ivac_display_prompt_content(t_ivac *ivac) {
+
+  int x,y;
+
+  /* delete old command */
+  if(ivac->input.c_count==0) {
+    move(ivac->display.max_y-2,12);
+    for(x=12;x<ivac->display.max_x-1;x++) addch(' ');
+  }
+
+  for(x=0;x<ivac->input.c_count;x++)
+    mvaddch(ivac->display.max_y-2,x+12,ivac->input.content[x]);
+  refresh();
+
+  return SUCCESS;
+}
+
+int ivac_display(t_display *display) {
+
+  int x,y;
+
+  /* display head */
+  ivac_display_head(display);
+
+  /* display box */
+  ivac_display_box(display);
+
+  /* display console */
+  ivac_display_console(display);
+
+  /* display command prompt */
+  ivac_display_prompt(display);
+
+  return SUCCESS;
+}
+
+int ivac_display_content(t_ivac *ivac) {
+
+  /* display box content */
+  ivac_display_box_content(ivac);
+
+  /* display console content */
+  ivac_display_console_content(ivac);
+
+  /* display prompt content */
+  ivac_display_prompt_content(ivac);
+
+  return SUCCESS;
+}
+
+int ivac_add_to_monitor(t_ivac *ivac,char *msg) {
+
+  int i;
+
+  for(i=0;i<IVAC_CONSOLE_LEN-1;i++)
+    memcpy(ivac->console[i],ivac->console[i+1],IVAC_CONSOLE_STRING_LEN);
+  memcpy(ivac->console[IVAC_CONSOLE_LEN-1],msg,IVAC_CONSOLE_STRING_LEN);
+
+  for(i=0;i<IVAC_CONSOLE_LEN;i++)
+    printf("[ivac] console line %d: %s\n",i,ivac->console[i]);
+#ifdef DISPLAY
+  ivac_display_console_content(ivac);
+#endif
+
+  return SUCCESS;
+}