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[svn42.git] / serial_console / sample_sensors.c

diff --git a/serial_console/sample_sensors.c b/serial_console/sample_sensors.c
index d81daa1..29d3b0e 100644 (file)
--- a/serial_console/sample_sensors.c
+++ b/serial_console/sample_sensors.c
@@ -1,38 +1,78 @@
 #include "sample_sensors.h"
 
-unsigned int collect_data(char *buffer, unsigned int size)
+int check_handle_line(char *buffer, unsigned int buflen, char *cmpstr, char *rrd_file, char *txt_file)
 {
   char *cmd;
-  if (size >= 8 && strncmp("movement", buffer, 8) == 0)
-    return 1;
-  
-  if (size > 16 && strncmp("temp0:", buffer, 5) == 0)
+  unsigned int cmpstrlen = strlen(cmpstr);
+  unsigned int value = atoi(buffer + cmpstrlen);
+  if (buflen > cmpstrlen && strncmp(cmpstr,buffer,cmpstrlen) == 0)
   {
-    if (asprintf(&cmd, "rrdtool update %s -t temp N:%s", rrd_temp_, buffer + 15))
+    if (asprintf(&cmd, "rrdtool update %s N:%d", rrd_file, value))
     {
-      /*printf("%s\n",cmd);*/
+      //printf("%s\n",cmd);
       system(cmd);
       free(cmd);
     }
+    int fd = open(txt_file, O_WRONLY | O_CREAT | O_TRUNC, 0666);
+    if (fd) 
+    {
+      if (asprintf(&cmd, "%d", value))
+      {
+        
+        write(fd,cmd, strnlen(cmd,12)); //elim. newline
+        free(cmd);
+      }
+      close(fd);
+    }
+    return 1;
   }
-  
-  if (size > 16 && strncmp("photo0:", buffer, 6) == 0)
+  return 0;
+}
+
+int check_handle_line_float(char *buffer, unsigned int buflen, char *cmpstr, char *rrd_file, char *txt_file)
+{
+  char *cmd;
+  unsigned int cmpstrlen = strlen(cmpstr);
+  float value = atof(buffer + cmpstrlen);
+  if (buflen > cmpstrlen && strncmp(cmpstr,buffer,cmpstrlen) == 0)
   {
-    if (asprintf(&cmd, "rrdtool update %s -t light N:%s", rrd_light_, buffer + 15))
+    if (asprintf(&cmd, "rrdtool update %s N:%f", rrd_file, value))
     {
-      /*printf("%s\n",cmd);*/
       system(cmd);
       free(cmd);
     }
+    int fd = open(txt_file, O_WRONLY | O_CREAT | O_TRUNC, 0666);
+    if (fd) 
+    {
+      if (asprintf(&cmd, "%f", value))
+      {
+        
+        write(fd,cmd, strnlen(cmd,12)); //elim. newline
+        free(cmd);
+      }
+      close(fd);
+    }
+    return 1;
   }
-  return 0;  
+  return 0;
+}
+
+unsigned int collect_data(char *buffer, unsigned int size)
+{
+  if (size >= 8 && strncmp("movement", buffer, 8) == 0)
+    return 1;
+  else if (check_handle_line_float(buffer, size, "temp0: ", rrd_temp_, txt_temp_))
+    return 0;
+  else if (check_handle_line(buffer, size, "photo0: ", rrd_light_, txt_light_))
+    return 0;
+  return 0;
 }
 
 void  sample_sensors(int fd)
 {
   if (fd < 3)
     return;
-  struct timespec timeout;
+  struct timeval timeout;
   fd_set fds_r;
   unsigned int const buffer_size=1024;
   unsigned int buffer_offset=0;
@@ -48,9 +88,9 @@ void  sample_sensors(int fd)
   FD_ZERO(&fds_r);
   FD_SET(fd,&fds_r);
   timeout.tv_sec=1;
-  timeout.tv_nsec=0;
+  timeout.tv_usec=0;
   last_sample_time=time(0);
-  while (select(fd+1,&fds_r,0,0,0) > 0)
+  while (select(fd+1,&fds_r,0,0,&timeout) > -1)
   {
     curr_time=time(0);
     if (FD_ISSET(fd,&fds_r))
@@ -60,7 +100,7 @@ void  sample_sensors(int fd)
         buffer_offset+=num_byte;
       }
       
-      if (num_byte == 0 || (num_byte <0 && errno != EAGAIN))
+      if (num_byte < 1)
         return;
       
       char linebreak_found=0;
@@ -106,7 +146,7 @@ void  sample_sensors(int fd)
     
     FD_SET(fd,&fds_r);
     timeout.tv_sec=1;
-    timeout.tv_nsec=0;
+    timeout.tv_usec=0;
   }
 }
 
@@ -135,7 +175,6 @@ int establish_socket_connection(const char* path)
 
 int main(int argc, char* argv[])
 {
-  int ret = 0;
   int socket_fd = 0;
   char *socket_file;
   if (argc > 1)
@@ -143,19 +182,23 @@ int main(int argc, char* argv[])
   else
     socket_file = default_socket_file_;
   
-  socket_fd = establish_socket_connection(socket_file);
-  if(socket_fd)
-  {
-    sample_sensors(socket_fd);
-  }
-  else
+  while (1)
   {
-    fprintf(stderr, "%s error, aborting..\n", socket_file);
-    ret=2;
-  }
+    socket_fd = establish_socket_connection(socket_file);
+    if(socket_fd)
+    {
+      sample_sensors(socket_fd);
+    }
+    else
+    {
+      fprintf(stderr, "%s error, retrying..\n", socket_file);
+    }
 
-  if(socket_fd > 0)
-    shutdown(socket_fd,SHUT_RDWR);
-  return(ret);
+    if(socket_fd > 0)
+      shutdown(socket_fd,SHUT_RDWR);
+    
+    sleep(2);
+  }
+  return 0;
 }