Update socket connection functions. Now reconnection is possible

1 files changed, 41 insertions, 0 deletions

diff --git a/sock_conn.h b/sock_conn.h
index 55ef8e0..8cf64be 100644
--- a/sock_conn.h
+++ b/sock_conn.h
@@ -3,9 +3,15 @@
 
 #include <stdlib.h>
 #include <stdio.h>
+#include <stdint.h>
 #include <unistd.h>
 #include <netdb.h>
 #include <string.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+#include <time.h>
+#include <errno.h>
 
 #include "util.h"
 
@@ -38,7 +44,42 @@ int   irc_buf_ready(irc_buf *ib);
 char *irc_buf_line(irc_buf *ib);
 int   irc_buf_destroy(irc_buf *ib);
 
+//connecto to irc
+typedef struct irc_conn
+{
+	int conn_fd; //save connection fd
+	char *hostname;
+	char *port;
+	struct timespec last_read; //when last read where happening
+	int timeout;
+	int err; //local error type
+	int liberr; //save error from libc
+} irc_conn;
+
 int   irc_connect(char *hostname, char *port);
 
 
+//list of errors that will give more precise error description, if there is -1 returned one of this errors happened
+#define ERR_SC_NONE    0 //no errors
+#define ERR_SC_LIBC    1 //error from libc, dont have our own error
+#define ERR_SC_PARAM   2 //something wrong with given params
+#define ERR_SC_TIMEOUT 3 //timeout
+#define ERR_SC_ALLOC   4 //memory allocation error
+#define ERR_SC_CONN    5 //somethign with network connection
+#define ERR_SC_RXTX    6 //read/write issue
+#define ERR_SC_AGAIN   7 //async stuff try read later
+#define ERR_SC_ANY     8 //any other error
+
+//irc_conn preallocated, artifacts can stay if something whent wrong
+int irc_open(char *hostname, char *port, irc_conn *conn);
+//if havent readed for more then [timeout] seconds then assume no connection
+int irc_read_timeout(irc_conn *conn, int timeout);
+//wrapped up usual read, read non blocking, count how long there was no data,
+//and asks to reconnect, use err/liberr to diagnose error
+int irc_read(irc_conn *conn, char *buf, size_t sz);
+//no extra errors
+int irc_reconnect(irc_conn *conn);
+//clean dont free
+int irc_close(irc_conn *conn);
+
 #endif