1

#include "irc_net.h"

     2

#include "log.h"

     3

     4

#include <stdlib.h>

     5

#include <string.h>

     6

     7

static void irc_net_conn_registered (struct irc_conn *conn, void *arg)

     8

{

     9

    struct irc_net *net = arg;

    10

    struct irc_chan *chan = NULL;

    11

    err_t err;

    12

    13

    (void) conn;

    14

    15

    // join our channels

    16

    TAILQ_FOREACH(chan, &net->channels, node) {

    17

        if ((err = irc_chan_join(chan)))

    18

            // XXX: fuck...

    19

            FATAL_ERR(err, "irc_chan_join failed");

    20

    }

    21

}

    22

    23

/**

    24

 * Our irc_conn_callbacks list

    25

 */

    26

struct irc_conn_callbacks _conn_callbacks = {

    27

    .on_registered  = &irc_net_conn_registered,

    28

};

    29

    30

/**

    31

 * Propagate the command to the appropriate irc_chan based on the given name

    32

 */

    33

static void irc_net_propagate_chan (struct irc_net *net, const struct irc_line *line, const char *channel)

    34

{

    35

    struct irc_chan *chan;

    36

    37

    // look up channel

    38

    if ((chan = irc_net_get_chan(net, channel)) == NULL) {

    39

        log_warn("unknown channel: %s", channel);

    40

        return;

    41

    }

    42

    43

    // propagate

    44

    irc_cmd_invoke(&chan->handlers, line);

    45

}

    46

    47

/**

    48

 * Propagate line to irc_chan based on args[0]

    49

 */ 

    50

static void irc_net_on_chan0 (const struct irc_line *line, void *arg)

    51

{

    52

    struct irc_net *net = arg;

    53

    54

    irc_net_propagate_chan(net, line, line->args[0]);

    55

}

    56

    57

/**

    58

 * :nm PRIVMSG <target> <message>

    59

 *

    60

 * Either propagate to channel if found, otherwise handle as a privmsg

    61

 */

    62

static void irc_net_on_PRIVMSG (const struct irc_line *line, void *arg)

    63

{

    64

    struct irc_net *net = arg;

    65

    66

    // XXX: does two lookups

    67

    if (irc_net_get_chan(net, line->args[0])) {

    68

        // short-circuit to on_chan0

    69

        irc_net_on_chan0(line, arg);

    70

    71

    } else {

    72

        // XXX: callbacks for privmsgs

    73

    74

    }

    75

}

    76

    77

/**

    78

 * Our irc_cmd handler list

    79

 */

    80

static struct irc_cmd_handler _cmd_handlers[] = {

    81

    {   "JOIN",     &irc_net_on_chan0       },

    82

    {   "PRIVMSG",  &irc_net_on_PRIVMSG     },

    83

    {   NULL,       NULL                    }

    84

};

    85

    86

err_t irc_net_create (struct irc_net **net_ptr, const struct irc_net_info *info, struct error_info *err)

    87

{

    88

    struct irc_net *net;

    89

    struct sock_stream *sock = NULL;

    90

    91

    // allocate

    92

    if ((net = calloc(1, sizeof(*net))) == NULL)

    93

        return SET_ERROR(err, ERR_CALLOC);

    94

    95

    // initialize

    96

    TAILQ_INIT(&net->channels);

    97

   104

        log_info("connecting to [%s]:%s using SSL", info->hostname, info->service);

   105

   107

        if (sock_ssl_connect(&sock, info->hostname, info->service, err))

   108

            goto error;

   109

   110

    } else {

   111

        log_info("connecting to [%s]:%s", info->hostname, info->service);

   112

   114

        if (sock_tcp_connect(&sock, info->hostname, info->service, err))

   115

            goto error;

   116

   117

    }

   118

   119

    // create the irc connection state

   120

    if (irc_conn_create(&net->conn, sock, &_conn_callbacks, net, err))

   121

        goto error;

   122

   123

    // add our command handlers

   124

    if ((ERROR_CODE(err) = irc_conn_add_cmd_handlers (net->conn, _cmd_handlers, net)))

   125

        goto error;

   126

   127

    // register

   128

    log_info("connected, registering");

   129

   130

    if ((ERROR_CODE(err) = irc_conn_register(net->conn, &info->register_info)))

   131

        goto error;

   132

   133

    // ok

   134

    *net_ptr = net;

   135

   136

    return SUCCESS;

   137

   138

error:

   139

    // cleanup

   140

    if (net->conn)

   141

        // irc_conn takes care of the socket as well

   142

        irc_conn_destroy(net->conn);

   143

   144

    else if (sock)

   145

        // we need to clean up the socket ourself

   146

        sock_stream_release(sock);

   147

   148

    // release our state

   149

    free(net);

   150

   151

    return ERROR_CODE(err);

   152

}

   153

   154

struct irc_chan* irc_net_add_chan (struct irc_net *net, const struct irc_chan_info *info)

   155

{

   156

    struct irc_chan *chan;

   157

    struct error_info err;

   158

   159

    // create the new irc_chan struct

   160

    if (irc_chan_create(&chan, net, info, &err))

   161

        // XXX: we lose error info

   162

        return NULL;

   163

   164

    // add to network list

   165

    TAILQ_INSERT_TAIL(&net->channels, chan, node);

   166

   167

    // currently connected?

   168

    if (net->conn && net->conn->registered) {

   169

        // then join

   170

        if ((ERROR_CODE(&err) = irc_chan_join(chan)))

   171

            // XXX

   172

            return NULL;

   173

    }

   174

   175

    // ok, return

   176

    return chan;

   177

}

   178

   179

struct irc_chan* irc_net_get_chan (struct irc_net *net, const char *channel)

   180

{

   181

    struct irc_chan *chan = NULL;

   182

   183

    // look for it...

   184

    TAILQ_FOREACH(chan, &net->channels, node) {

   185

        if (strcasecmp(chan->info.channel, channel) == 0)

   186

            // found it

   187

            return chan;

   188

    }

   189

   190

    // no such channel

   191

    return NULL;

   192

   193

}

   194