-typedef struct s_gras_socket {
- gras_trp_plugin_t *plugin;
-
- int incoming :1; /* true if we can read from this sock */
- int outgoing :1; /* true if we can write on this sock */
- int accepting :1; /* true if master incoming sock in tcp */
- int meas :1; /* true if this is an experiment socket instead of messaging */
+typedef struct s_gras_socket {
+ gras_trp_plugin_t plugin;
+
+ int incoming:1; /* true if we can read from this sock */
+ int outgoing:1; /* true if we can write on this sock */
+ int accepting:1; /* true if master incoming sock in tcp */
+ int meas:1; /* true if this is an experiment socket instead of messaging */
+ int valid:1; /* false if a select returned that the peer quitted, forcing us to "close" the socket */
+ int moredata:1; /* TCP socket use a buffer and read operation get as much
+ data as possible. It is possible that several messages
+ are received in one shoot, and select won't catch them
+ afterward again.
+ This boolean indicates that this is the case, so that we
+ don't call select in that case. Note that measurement
+ sockets are not concerned since they use the TCP
+ interface directly, with no buffer. */
+
+ int recvd:1; /* true if the recvd_val field contains one byte of the stream (that we peek'ed to check the socket validity) */
+ char recvd_val; /* what we peeked from the socket, if any */