X-Git-Url: https://hackdaworld.org/gitweb/?p=my-code%2Fivac.git;a=blobdiff_plain;f=src%2Finet.c;h=99f83d16d1d0cb90db1e1a015ac11d8c633aad28;hp=7a9e41a94d1da42bcd7d18c38967550df3ae3780;hb=058c06c0b8b2dbbde5ee32b54ad8e502527cd155;hpb=aea15365fab80e1d7128bdf4112440405375e29c

diff --git a/src/inet.c b/src/inet.c
index 7a9e41a..99f83d1 100644
--- a/src/inet.c
+++ b/src/inet.c
@@ -6,5 +6,186 @@
 
 #include "inet.h"
 
+int network_init(t_ivac *ivac) {
+  
+  sockaddr_in addr;
+ 
+  puts("[ivac] inet: initializing network ...");
 
-int 
+  memset(ivac->net.connection,0,MAX_CONNECTIONS*sizeof(t_connection));
+  ivac->net.c_count=0;
+  ivac->net.sendmask=0;
+
+  if((ivac->net.l_fd=socket(AF_INET,SOCK_STREAM,0))==-1) {
+    perror("[ivac] inet.c: socket call");
+    return ERROR;
+  }
+
+  memset(&addr,0,sizeof(struct sockaddr));
+  addr.sin_family=AF_INET;
+  addr.sin_port=htons(ivac->net.l_port);
+  addr.sin_addr.s_addr=INADDR_ANY;
+
+  if(bind(ivac->net.l_fd,(struct sockaddr *)&addr,
+          sizeof(struct sockaddr))==-1) {
+    perror("[ivac] inet.c: bind call");
+    return ERROR;
+  }
+
+  printf("[ivac] inet: listen on %s port %d.\n",inet_ntoa(addr.sin_addr.s_addr)
+                                               ,ivac->net.l_port);
+
+  return SUCCESS;
+}
+
+int network_manage_connection(t_ivac *ivac) {
+
+  int i;
+  sockaddr_in addr;
+  
+  for(i=0;i<MAX_CONNECTIONS;i++) {
+
+    if(ivac->net.connection[i].status&C_IN_USE) {
+
+      if(ivac->net.connection[i].status&C_HANGUP) {
+        if(close(ivac->net.connection[i].fd)==-1) {
+          perror("[ivac] inet.c: close call");
+          return ERROR;
+        }
+        ivac->net.connection[i].status=0;
+      }
+
+      if(ivac->net.connection[i].status&C_INFO_A) {
+
+        if(!ivac->net.connection[i].status&C_SOCKET) {
+          if((ivac->net.connection[i].fd=socket(AF_INET,SOCK_STREAM,0))==-1) {
+            perror("[ivac] inet.c: socket call");
+            return ERROR;
+          }
+        }
+
+        if(!ivac->net.connection[i].status&C_ESTABL) {
+
+          memset(&addr,0,sizeof(struct sockaddr));
+          addr.sin_family=AF_INET;
+          addr.sin_port=htons(ivac->net.connection[i].port);
+          addr.sin_addr_s_addr=inet_aton(ivac->net.connection[i].ip);
+          
+          if(connect(ivac->net.connection[i].fd,(struct sockaddr *)&addr,
+                     sizeof(struct sockaddr))==-1) {
+            perror("[ivac] inet.c: connect call");
+            return ERROR;
+          }
+
+        }
+
+      }
+
+    }
+
+  }
+
+  return SUCCESS;
+}
+ 
+int network_send(int fd,unsigned char *data,int datasize) {
+
+  int count,left;
+
+  count=0;
+  left=datasize;
+
+  while(left) {
+    if((count=write(fd,data+datasize-left,left))==-1) {
+      perror("[ivac] inet.c: write call");
+      return ERROR;
+    }
+    left-=count;
+  }
+
+  return SUCCESS;
+}
+
+int network_receive(int fd,unsigned char *data,int datasize) {
+
+  int count,retval;
+
+  retval=1;
+  count=0;
+
+  while(retval) {
+    if((retval=read(fd,data+count,datasize-count))==-1) {
+      perror("[ivac] inet.c: read call");
+      return ERROR;
+    }
+    count+=retval;
+  }
+
+  return count;
+}
+
+int send_info(int fd,t_ivac *ivac) {
+
+  char data[SEND_I_MAX];
+  int size;
+
+  size=strlen(ivac->name);
+
+  data[0]=SEND_I_NAME;
+  data[1]=size;
+  strncpy(data+2,ivac->name,size);
+  size+=2;
+
+  data[size+1]=SEND_I_CAP;
+  data[size+2]=sizeof(unsigned char);
+  data[size+3]=ivac->net.cap;
+  size+=(sizeof(unsigned char)+2);
+
+  data[size+1]=SEND_I_AVCAP;
+  data[size+2]=sizeof(unsigned short);
+  data[size+2+sizeof(unsigned short)];
+  size+=(sizeof(unsigned short)+2);
+
+  if(network_send(fd,data,size)==ERROR) {
+    puts("[ivac] inet.c: send_info failed");
+    return ERROR;
+  }
+
+  return SUCCESS;
+}
+
+int receive_info(int i,t_ivac *ivac) {
+
+  char data[CHAR_USERNAME+2];
+  int count,length;
+
+  if((length=network_receive(ivac->net.connection[i].fd,
+                             data,SEND_I_MAX))==ERROR) {
+    puts("[ivac] inet.c: receive_info failed");
+    return ERROR;
+  }
+
+  while(length-count) {
+    switch(data[count]) {
+      case SEND_I_NAME:
+        strncpy(ivac->net.connection[i].name,data[count+2],data[count+1]);
+        ivac->net.connection[i].name[data[count+2]]='\0';
+        count+=(data[count+2]+2);
+        break;
+      case SEND_I_G_CAP:
+        ivac->net.connection[i].cap=data[count+4];
+        count+=(sizeof(unsigned char)+2);
+        break;
+      case SEND_I_AV_CAP:
+        ivac->net.connection[i].avcap=data[count+3]<<8;
+        ivac->net.connection[i].avcap|=data[count+4];
+        count+=(sizeof(unsigned short)+2);
+        break;
+      default:
+        puts("[ivac] inet.c: receive_info, unknown character");
+        return ERROR;
+    }
+  }
+    
+  return SUCCESS;
+}