osx_write: kill superfluous semaphore code

[paraslash.git] / client.h

diff --git a/client.h b/client.h
index 8f7b9a5dc1b47d4783da5ead2274cd87607a296f..1c9a8c22ae4dabd73a20547c8ce6bc195989e218 100644 (file)
--- a/client.h
+++ b/client.h
@@ -19,39 +19,72 @@
 /** \file client.h common client functions and exported symbols from client_common.c */
 
 #include <openssl/rc4.h>
+
+/**
+ * the different states of a connection from the view of the client
+ */
 enum {
+       /** tcp connection is established */
        CL_CONNECTED,
+       /** server sends the welcome message */
        CL_RECEIVED_WELCOME,
+       /** client sends the authentification request */
        CL_SENT_AUTH,
+       /** server sends a challenge */
        CL_RECEIVED_CHALLENGE,
+       /** clientd solves the challenge and sends the result */
        CL_SENT_CH_RESPONSE,
+       /** server accepts this authentication */
        CL_RECEIVED_PROCEED,
+       /** client sends the command */
        CL_SENT_COMMAND,
-       CL_SENDING_STDIN,
-       CL_RECEIVING_SERVER_OUTPUT
+       /** server expects data */
+       CL_SENDING,
+       /** client expects data */
+       CL_RECEIVING,
 };
 
 #define CLIENT_BUFSIZE 8192
 
+/**
+ * data specific to a client task
+ */
 struct private_client_data {
+       /** the state of the connection */
        int status;
+       /** the file descriptor */
        int fd;
+       /** the configuration (including the command) */
        struct client_args_info conf;
+       /** the config file for client options */
        char *config_file;
+       /** the RSA private key */
        char *key_file;
+       /** paraslash user name */
        char *user;
+       /** session key for receiving data */
        RC4_KEY rc4_recv_key;
+       /** session key for sending data */
        RC4_KEY rc4_send_key;
+       /** the client task structure */
        struct task task;
+       /** non-zero if task is unregistered */
        int eof;
+       /** the buffer used for handshake and receiving */
        char buf[CLIENT_BUFSIZE];
+       /** number of bytes loaded in \p buf */
        size_t loaded;
+       /** non-zero if the pre_select hook added \p fd to the read fd set */
        int check_r;
+       /** non-zero if the pre_select hook added \p fd to the write fd set */
        int check_w;
+       /** the decrypted challenge */
        long unsigned challenge_nr;
-       /* only used if stdin gets sent to para_server */
+       /** pointer to the data to be sent to para_server */
        char *inbuf;
+       /** number of bytes loaded in \p inbuf */
        size_t *in_loaded;
+       /** non-zero if input task encountered an eof or an errro condition */
        int *in_eof;
 };