X-Git-Url: https://hackdaworld.org/gitweb/?p=my-code%2Fivac.git;a=blobdiff_plain;f=src%2Fivac.c;h=e959ef8ba6f4e0dc7bec8b8b4dc2322167d9feb7;hp=70d1a35c234809708086d60c423e6a2c9c68b587;hb=40031b2d692a7b83e437535045ece6c58f8bf31e;hpb=8a6fa2a921c79c007f3203aab1388fe2f0620eda

diff --git a/src/ivac.c b/src/ivac.c
index 70d1a35..e959ef8 100644
--- a/src/ivac.c
+++ b/src/ivac.c
@@ -23,14 +23,72 @@
 
 #include "ivac.h"
 
+int usage(void) {
+
+  puts("");
+  puts("usage: ivac <options>");
+  puts("");
+  puts("options:");
+  puts("-h \t\t show this help");
+  puts("-n <name> \t specify your name");
+  puts("-p <port> \t specify port to listen for incoming connections");
+  puts("-u <port> \t specify udp data port");
+  puts("-d <device> \t specify audio device");
+  puts("-i <iface> \t specify network interface");
+  puts("");
+
+  return SUCCESS;
+}
+
 int main(int argc,char **argv) {
 
   /* TESTING BY NOW */
 
   t_ivac ivac;
+  int i;
+
+  /* default values */
+  strcpy(ivac.username,"ivac");
+  ivac.net.l_port=IVAC_LISTEN_PORT;
+  ivac.net.l_udp_port=IVAC_UDP_PORT;
+  strcpy(ivac.audio.dsp_dev,SOUND_DEVICE);
+  strcpy(ivac.net.nic,"eth0");
+ 
+  /* parse argv and change default values */
+  for(i=1;i<argc;i++) {
+    if(argv[i][0]=='-') {
+      switch(argv[i][1]) {
+        case 'h':
+          usage();
+          return SUCCESS;
+        case 'n':
+          strncpy(ivac.username,argv[++i],CHAR_USERNAME);
+          break;
+        case 'p':
+          ivac.net.l_port=atoi(argv[++i]);
+          break;
+        case 'u':
+          ivac.net.l_udp_port=atoi(argv[++i]);
+          break;
+        case 'd':
+          strncpy(ivac.audio.dsp_dev,argv[++i],MAX_CHAR_DEVICE);
+          break;
+        case 'i':
+          strncpy(ivac.net.nic,argv[++i],MAX_NIC_DEVICE);
+        default:
+          usage();
+          return ERROR;
+      }
+    }
+    else usage();
+  }
 
-  /* set username (futur: read from config or entered later) */
-  strcpy(ivac.username,"hackbard");
+  /* clear challenger struct */
+  for(i=0;i<MAX_CONNECTIONS;i++)
+    memset(&(ivac.challenger[i]),0,sizeof(t_challenger));
+  /* zero console buffer */
+  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;
@@ -39,16 +97,19 @@ int main(int argc,char **argv) {
   /* 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));
+  if(event_init(&(ivac.event))==E_ERROR) {
+    ivac_shutdown(&ivac);
+    return ERROR;
+  }
 
   /* input init */
   ivac.input.mode=CONTENT_BUFFER;
-  input_init(&(ivac.input));
+  ivac.input.c_count=0;
+  if(input_init(&(ivac.input))==I_ERROR) {
+    ivac_shutdown(&ivac);
+    return ERROR;
+  }
 
   /* network init */
   if(network_init(&(ivac.net))==N_ERROR) {
@@ -58,26 +119,45 @@ int main(int argc,char **argv) {
     return ERROR;
   }
 
-  /* add listening port + stdin to (read) event system */
+  /* network udp init */
+  network_udp_listen_init(&(ivac.net));
+
+  /* add listening port(s) + stdin to (read) event system */
   event_math(ivac.net.l_fd,&(ivac.event),READ,ADD);
+  event_math(ivac.net.l_udp_fd,&(ivac.event),READ,ADD);
   event_math(0,&(ivac.event),READ,ADD);
 
+  /* use hardcoded audio settings by now */
+  ivac.audio.fmt=BIT_8;
+  ivac.audio.channels=MONO;
+  ivac.audio.speed=8000;
+  /* audio init */
+  audio_init(&(ivac.audio));
+  /* audio setup */
+  audio_setup(&(ivac.audio));
+
+  /* display init */
+  display_init(&(ivac.display));
+
   /* display */
-  ivac_display(&(ivac));
+  ivac_display(&ivac);
+  ivac_display_content(&ivac);
+  ivac_display_draw(&ivac);
 
   /* 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) {
 
+  display_shutdown(&(ivac->display));
   network_shutdown(&(ivac->net));
+  network_udp_shutdown(&(ivac->net));
   input_shutdown(&(ivac->input));
   event_stop(&(ivac->event));
+  audio_shutdown(&(ivac->audio));
 
   return SUCCESS;
 }
@@ -113,9 +193,26 @@ int ivac_send_info(int channel,t_ivac *ivac) {
   return SUCCESS;
 }
 
+int ivac_send_quit(int channel,t_ivac *ivac) {
+
+  char data[7]; /* one more for \0 */
+
+  data[0]=IVAC_SEND_QUIT;
+  data[1]=4;
+  strcpy(data+2,"quit");
+
+  if(network_send(ivac->net.connection[channel].fd,data,6)==N_ERROR) {
+    puts("[ivac] ivac_send_quit failed");
+    return ERROR;
+  }
+
+  return SUCCESS;
+}
+
 int ivac_receive_info(int channel,t_ivac *ivac) {
 
   char data[SEND_N_MAX];
+  char c_str[IVAC_CONSOLE_STRING_LEN];
   int count,length;
 
   count=0;
@@ -130,7 +227,7 @@ int ivac_receive_info(int channel,t_ivac *ivac) {
     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';
+        ivac->challenger[channel].name[(int)data[count+1]]='\0';
         count+=(data[count+1]+2);
         break;
       case IVAC_SEND_G_CAP:
@@ -142,48 +239,88 @@ int ivac_receive_info(int channel,t_ivac *ivac) {
         ivac->challenger[channel].av_cap|=data[count+3];
         count+=4;
         break;
+      case IVAC_SEND_QUIT:
+        if(!(strncmp(data+count+2,"quit",data[1])))
+          sprintf(c_str,"channel %02d: connection closed by remote host",
+                  channel);
+          event_math(ivac->net.connection[channel].fd,&(ivac->event),
+                     READ,REMOVE);
+          network_close(&(ivac->net),channel);
+          memset(&(ivac->challenger[channel]),0,sizeof(t_challenger));
+          ivac_add_to_monitor(ivac,c_str);
+          count+=6;
+          break;
       default:
-        puts("[ivac] ivac_receive_info, unknown character");
+        sprintf(c_str,"ivac_receive_info, unknown character: 0x%02x\n",
+               data[count]);
+        ivac_add_to_monitor(ivac,c_str);
         return ERROR;
         break;
     }
   }
 
-  return SUCCESS;
+  return length;
 }
 
 int ivac_event_cb(t_event *event,void *ptr) {
  
   t_ivac *ivac;
   int channel;
+  char c_str[IVAC_CONSOLE_STRING_LEN];
 
   ivac=(t_ivac *)ptr;
 
+  /* incoming connection -- first contact => send info */
   if(FD_ISSET(ivac->net.l_fd,&(event->rfds))) {
-    /* manage incoming + send info */
     channel=network_manage_incoming(&(ivac->net));
-    event_math(ivac->net.connection[channel].fd,event,READ,ADD);
-    ivac_send_info(channel,ivac);
+    if(channel==N_E_ACCEPT)
+      sprintf(c_str,"accept failed");
+    else if(channel==N_E_MAXC)
+      sprintf(c_str,"maximum connections reached");
+    else {
+      sprintf(c_str,"connection from %s port %d on channel %d",
+              ivac->net.connection[channel].ip,
+              ivac->net.connection[channel].port,channel);
+      ivac_add_to_monitor(ivac,c_str);
+      event_math(ivac->net.connection[channel].fd,event,READ,ADD);
+      ivac_send_info(channel,ivac);
+    }
+    ivac_display_content(ivac);
+    ivac_display_draw(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)))
-        ivac_receive_info(channel,ivac);
+  /* wait for user info */
+  for(channel=0;channel<MAX_CONNECTIONS;channel++) {
+    if(ivac->net.connection[channel].status&C_ESTABL) {
+      /* remote is sending info */
+      if(FD_ISSET(ivac->net.connection[channel].fd,&(event->rfds))) {
+        if(ivac_receive_info(channel,ivac)==0) {
+          event_math(ivac->net.connection[channel].fd,event,READ,REMOVE);
+          network_close(&(ivac->net),channel);
+          sprintf(c_str,"channel %02d: broken pipe - disconnected",channel);
+          ivac_add_to_monitor(ivac,c_str);
+        }
+        ivac_display_content(ivac);
+        ivac_display_draw(ivac);
+      }
+    }
+  } 
 
   /* user interaction */
   if(FD_ISSET(0,&(event->rfds)))
     input_get_event(&(ivac->input),ivac_parse_command,ivac);
 
-  /* display ivac gui */
-  ivac_display(ivac);
-    
   return SUCCESS;
 }
 
 int ivac_regular_cb(t_event *event,void *ptr) {
 
+  t_ivac *ivac;
+
+  ivac=(t_ivac *)ptr;
+
+  ivac_add_to_monitor(ivac,"event HUGH");
+
   /* usual jobs like audio & video transmit ... */
 
   return SUCCESS;
@@ -192,74 +329,323 @@ int ivac_regular_cb(t_event *event,void *ptr) {
 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];
+  char debug_string[128];
 
   ivac=(t_ivac *)ptr;
+  data=input->content;
+  valid=0;
+
+  /* refresh prompt content only */
+  ivac_display_prompt_content(ivac);
+  ivac_display_draw(ivac);
+
+#ifdef DEBUG
+  ivac_add_to_monitor(ivac,"nach display refresh");
+#endif
 
   /* parse command routines */
+  if(data[input->c_count-1]=='\n'||data[input->c_count-1]=='\r') {
+
+#ifdef DEBUG
+    ivac_add_to_monitor(ivac,"got newline or carriage return!");
+#endif
+
+    /* 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'||data[len]!='\r') len++;
+    i=0; j=0;
+    while((i<len) && (j<IVAC_ARG_COUNT)) {
+      k=0;
+      while((data[i+k]!=' ')&&(data[i+k]!='\n'||data[i+k]!='\r')) {
+        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 ...");
+      for(i=0;i<MAX_CONNECTIONS;i++) {
+        if(ivac->net.connection[i].status&C_ESTABL) {
+          ivac_send_quit(i,ivac);
+          network_close(&(ivac->net),i);
+        }
+      }
+      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)) {
+        i=network_set_connection_info(&(ivac->net),channel,arg[2],atoi(arg[3]));
+        if(i==N_E_IN_USE)
+          sprintf(c_str,"channel %02d: connection in use",channel);
+        if(i==N_SUCCESS)
+          sprintf(c_str,"channel %02d: set connection info",channel);
+      } 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)) {
+        i=network_connect(&(ivac->net),channel);
+        if(i==N_E_IN_USE)
+          sprintf(c_str,"channel %02d: connection in use",channel);
+        else if(i==N_E_NO_INFO)
+          sprintf(c_str,"channel %02d: channel not configured",channel);
+        else {
+          sprintf(c_str,"channel %02d: connected to %s:%d",channel,
+                  ivac->net.connection[channel].ip,
+                  ivac->net.connection[channel].port);
+          event_math(ivac->net.connection[channel].fd,&(ivac->event),READ,ADD);
+          ivac_send_info(channel,ivac);
+        }
+      }
+      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) {
+          ivac_send_quit(channel,ivac);
+          event_math(ivac->net.connection[channel].fd,&(ivac->event),
+                     READ,REMOVE);
+          network_close(&(ivac->net),channel);
+          sprintf(c_str,"channel %02d: connection closed",channel);
+          memset(&(ivac->challenger[channel]),0,sizeof(t_challenger));
+        }
+        else
+          sprintf(c_str,"channel %02d: no active connection",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)) {
+        network_select(&(ivac->net),channel);
+        sprintf(c_str,"selected channel %d",channel);
+      }
+      else if(arg[1][0]=='*') {
+        network_select(&(ivac->net),MAX_CONNECTIONS);
+        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)) {
+        network_deselect(&(ivac->net),channel);
+        sprintf(c_str,"deselected channel %d",channel);
+      }
+      else if(arg[1][0]=='*') {
+        network_deselect(&(ivac->net),MAX_CONNECTIONS);
+        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]);
+
+    /* call network functions */
+    network_manage_connection(&(ivac->net));
+
+    /* add console string to console buffer */
+    ivac_add_to_monitor(ivac,c_str);
 
-  if(input->content[input->c_count-1]=='\n') {
-    /* delete content buffer + reset counter */
-    memset(input->content,0,input->c_count);
+    /* refresh whole display content */
+    ivac_display_content(ivac);
+    ivac_display_draw(ivac);
+
+    /* delete input content buffer + reset counter */
+    memset(input->content,0,input->c_count-1);
     input->c_count=0;
+
   }
 
+  ivac_add_to_monitor(ivac,"debug: end of parse function");
+
+  return SUCCESS;
+}
+
+int ivac_display_head(t_ivac *ivac) {
+
+  display_line(&(ivac->display),0,0,ivac->display.max_x,0,'#');
+  display_string(&(ivac->display),(ivac->display.max_x-strlen(PROG_NAME))/2,1,
+                 PROG_NAME,strlen(PROG_NAME));
+  display_line(&(ivac->display),0,2,ivac->display.max_x,2,'#');
+
+  return SUCCESS;
+}
+
+int ivac_display_box(t_ivac *ivac) {
+
+  display_line(&(ivac->display),0,3,ivac->display.max_x,3,'-');
+  display_line(&(ivac->display),0,5,ivac->display.max_x,5,'-');
+  display_string(&(ivac->display),0,6,"connections:",12);
+  display_line(&(ivac->display),
+               0,ivac->display.max_y-IVAC_PROMPT_LEN-IVAC_CONSOLE_LEN-1,
+               ivac->display.max_x,
+               ivac->display.max_y-IVAC_PROMPT_LEN-IVAC_CONSOLE_LEN-1,'-');
+ 
   return SUCCESS;
 }
 
-int ivac_display_head(void) {
+int ivac_display_box_content(t_ivac *ivac) {
 
-  /* 23 x 80 */
-  int column,line;
+  int channel;
+  char string[MAX_BOX_CHARS];
+
+  /* prepare challenger names */
+  for(channel=0;channel<MAX_CONNECTIONS;channel++)
+    if(ivac->challenger[channel].name[0]==0)
+      strcpy(ivac->challenger[channel].name,"<empty>");
+
+  sprintf(string,"username: %s, capabilities: %02x|%04x",
+          ivac->username,ivac->g_cap,ivac->av_cap);
+  display_string(&(ivac->display),0,4,string,strlen(string));
+
+  for(channel=0;channel<MAX_CONNECTIONS;channel++) {
+    if(ivac->net.connection[channel].status&C_INFO_A) {
+      snprintf(string,MAX_BOX_CHARS,
+               "channel %02d: %s:%d, status: %02x, name: %s\n",channel,
+               ivac->net.connection[channel].ip,
+               ivac->net.connection[channel].port,
+               ivac->net.connection[channel].status,
+               ivac->challenger[channel].name);
+      display_string(&(ivac->display),0,IVAC_HEAD_LEN+4+channel,
+                     string,strlen(string));
+    }
+  }
+
+  return SUCCESS;
+}
+
+int ivac_display_console(t_ivac *ivac) {
+
+  display_string(&(ivac->display),
+                 0,ivac->display.max_y-IVAC_PROMPT_LEN-IVAC_CONSOLE_LEN,
+                 "console messages:",17);
+
+  return SUCCESS;
+}
 
-  for(column=0;column<COLUMN;column++) printf("#");
-  printf("\n");
+int ivac_display_console_content(t_ivac *ivac) {
 
-  printf("##");
-  for(column=2;column<(COLUMN-8)/2;column++) printf(" ");
-  printf("- ivac -");
-  for(column=2;column<(COLUMN-8)/2;column++) printf(" ");
-  printf("##\n");
+  int i;
+  char string[IVAC_CONSOLE_STRING_LEN];
 
-  for(column=0;column<COLUMN;column++) printf("#");
-  printf("\n");
+  for(i=0;i<IVAC_CONSOLE_LEN;i++) {
+    snprintf(string,IVAC_CONSOLE_STRING_LEN,"%s\n",ivac->console[i]);
+    display_string(&(ivac->display),
+                   0,ivac->display.max_y-IVAC_PROMPT_LEN-IVAC_CONSOLE_LEN+1+i,
+                   string,strlen(string));
+  }
 
   return SUCCESS;
 }
 
 int ivac_display_prompt(t_ivac *ivac) {
 
-  int column,line;
+  display_string(&(ivac->display),0,ivac->display.max_y-1,"prompt: ",8);
+
+  return SUCCESS;
+}
+
+int ivac_display_prompt_content(t_ivac *ivac) {
+
+  char string[IVAC_CONSOLE_STRING_LEN];
+  int count;
+
+  for(count=0;count<ivac->input.c_count;count++)
+    string[count]=ivac->input.content[count];
+  for(;count<ivac->display.max_x-8;count++) string[count]=' ';
+  display_string(&(ivac->display),8,ivac->display.max_y-1,
+                 string,ivac->display.max_x);
+  
+  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);
 
-  for(column=0;column<COLUMN;column++) printf("#");
-  printf("\n");
-  printf("## command: ");
-  for(column=12;column<12+ivac->input.c_count;column++)
-    printf("%c",ivac->input.content[column-12]);
-  for(column=12+ivac->input.c_count;column<COLUMN-2;column++) printf(" ");
-  printf("##");
-  printf("\n");
-  for(column=0;column<COLUMN;column++) printf("#");
+  /* display prompt content */
+  ivac_display_prompt_content(ivac);
 
   return SUCCESS;
 }
 
 int ivac_display(t_ivac *ivac) {
 
-  int line,column;
+  /* display static head */
+  ivac_display_head(ivac);
 
-  /* display head */
-  ivac_display_head();
+  /* display static box */
+  ivac_display_box(ivac);
 
-  /* build content of middle part + display */
-  for(line=3;line<LINE-3;line++) {
-    printf("#");
-    for(column=1;column<COLUMN-1;column++) printf(" ");
-    printf("#\n");
-  }
+  /* display static console */
+  ivac_display_console(ivac);
 
   /* display command prompt */
   ivac_display_prompt(ivac);
 
   return SUCCESS;
 }
+
+int ivac_display_draw(t_ivac *ivac) {
+  
+  display_draw(&(ivac->display));
+  display_set_cursor(&(ivac->display),ivac->input.c_count+8,
+                     ivac->display.max_y-1);
+
+  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);
+
+  ivac_display_console_content(ivac);
+  ivac_display_draw(ivac);
+
+  return SUCCESS;
+}