yp.c 12.3 KB
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/* -*- c-basic-offset: 4; indent-tabs-mode: nil; -*- */
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#include <stdio.h>
#include <string.h>
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#include <stdlib.h>
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#include <thread/thread.h>

#include "connection.h"
#include "refbuf.h"
#include "client.h"
#include "logging.h"
#include "format.h"
#include "geturl.h"
#include "source.h"
#include "config.h"

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#define CATMODULE "yp" 
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static int yp_submit_url(int curl_con, char *yp_url, char *url, char *type, int i)
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{
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    int ret = 0;
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    int timeout;
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    ice_config_t *config = config_get_config();

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    timeout = config->yp_url_timeout[i];
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    config_release_config();
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    /* If not specified, use a reasonable timeout
    of 30 seconds */
    if (timeout == 0) {
        timeout = 30;
    }
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    curl_easy_setopt(curl_get_handle(curl_con), CURLOPT_URL, yp_url);
    curl_easy_setopt(curl_get_handle(curl_con), CURLOPT_POSTFIELDS, url);
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    curl_easy_setopt(curl_get_handle(curl_con), CURLOPT_TIMEOUT, timeout);
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    /* This is to force libcurl to not use signals for timeouts */
    curl_easy_setopt(curl_get_handle(curl_con), CURLOPT_NOSIGNAL, 1);
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    /* get it! */
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    memset(curl_get_result(curl_con), 0, sizeof(struct curl_memory_struct));
    memset(curl_get_header_result(curl_con), 0, 
            sizeof(struct curl_memory_struct2));
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    curl_easy_perform(curl_get_handle(curl_con));

    curl_print_header_result(curl_get_header_result(curl_con));

    if (curl_get_header_result(curl_con)->response == ACK) {
        INFO2("Successfull ACK from %s (%s)", type, yp_url);
        ret = 1;
    }
    else {
        if (strlen(curl_get_header_result(curl_con)->message) > 0) {
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            ERROR3("Got a NAK from %s(%s) (%s)", type,
                    curl_get_header_result(curl_con)->message, yp_url);
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        }
        else {
            ERROR2("Got a NAK from %s(Unknown) (%s)", type, yp_url);
        }
        ret = 0;
    }
    return ret;
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}

void *yp_touch_thread(void *arg)
{
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    yp_touch((source_t *)arg);
    thread_exit(0);
    return NULL;
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}
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int yp_remove(source_t *source)
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{
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    char *url = NULL;
    int url_size = 0;
    int ret = 0;
    int curl_con = 0;
    int i = 0;

    long current_time = 0;

    current_time = time(&current_time);

    for (i=0; i<source->num_yp_directories; i++) {
        source->ypdata[i]->yp_last_touch = current_time;
        if (source->ypdata[i]->sid == 0) {
            return 0;
        }
        else {
            if (strlen(source->ypdata[i]->sid) == 0) {
                return 0;
            }
        }
        if (source->ypdata) {
            url_size = strlen("action=remove&sid=") + 1;
            url_size += strlen(source->ypdata[i]->sid);
            url_size += 1024;
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            url = malloc(url_size);
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            sprintf(url, "action=remove&sid=%s", 
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                    source->ypdata[i]->sid);
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            curl_con = curl_get_connection();
            if (curl_con < 0) {
                ERROR0("Unable to get auth connection");
            }
            else {
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                /* specify URL to get */
                ret = yp_submit_url(curl_con, source->ypdata[i]->yp_url, 
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                        url, "yp_remove", i);
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            }
            if (url) {
                free(url);
            }
            curl_release_connection(curl_con);
        }
    }
    return 1;
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}
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int yp_touch(source_t *source)
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{
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    char *url = NULL;
    int url_size = 0;
    int ret = 0;
    int curl_con = 0;
    int i = 0;
    int regen_sid = 0;
    long current_time = 0;

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    current_time = time(NULL);
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    for (i=0; i<source->num_yp_directories; i++) {
        source->ypdata[i]->yp_last_touch = current_time;
        if (source->ypdata[i]->sid == 0) {
            regen_sid = 1;
        }
        else {
            if (strlen(source->ypdata[i]->sid) == 0) {
                regen_sid = 1;
            }
        }
        if (regen_sid) {
            if (!yp_add(source, i)) {
                return 0;
            }
        }
        if (source->ypdata) {
            url_size = strlen("action=touch&sid=&st=&listeners=") + 1;
            if (source->ypdata[i]->current_song) {
                url_size += strlen(source->ypdata[i]->current_song);
            }
            else {
                source->ypdata[i]->current_song = (char *)malloc(1);
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                source->ypdata[i]->current_song[0] = 0;
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            }
            if (source->ypdata[i]->sid) {
                url_size += strlen(source->ypdata[i]->sid);
            }
            else {
                source->ypdata[i]->sid = (char *)malloc(1);
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                source->ypdata[i]->sid[0] = 0;
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            }
            url_size += 1024;
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            url = malloc(url_size);
            sprintf(url, "action=touch&sid=%s&st=%s&listeners=%ld", 
                    source->ypdata[i]->sid,
                    source->ypdata[i]->current_song,
                    source->listeners);
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            curl_con = curl_get_connection();
            if (curl_con < 0) {
                ERROR0("Unable to get auth connection");
            }
            else {
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                /* specify URL to get */
                ret = yp_submit_url(curl_con, source->ypdata[i]->yp_url, 
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                        url, "yp_touch", i);
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                if (!ret) {
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                    source->ypdata[i]->sid[0] = 0;
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                }
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            }
           if (url) {
               free(url);
           } 
           curl_release_connection(curl_con);
        }
    }
    return 1;
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}
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int yp_add(source_t *source, int which)
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{
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    char *url = NULL;
    int url_size = 0;
    int ret = 0;
    int curl_con = 0;
    int i = 0;
    int ok = 0;

    for (i=0; i<source->num_yp_directories; i++) {
        if (which != -1) {
            if (i == which) {
                ok = 1;
            }
            else {
                ok = 0;
            }
        }
        else {
            ok = 1;
        }

        if (ok) {
            if (source->ypdata[i]) {
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                url_size = strlen("action=add&sn=&genre=&cpswd="
                                  "&desc=&url=&listenurl=&type=&b=&")
                                  + 1;
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                if (source->ypdata[i]->server_name) {
                    url_size += strlen(source->ypdata[i]->server_name);
                }
                else {
                    source->ypdata[i]->server_name = (char *)malloc(1);
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                    source->ypdata[i]->server_name[0] = 0;
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                }
                if (source->ypdata[i]->server_desc) {
                    url_size += strlen(source->ypdata[i]->server_desc);
                }
                else {
                    source->ypdata[i]->server_desc = (char *)malloc(1);
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                    source->ypdata[i]->server_desc[0] = 0;
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                }
                if (source->ypdata[i]->server_genre) {
                    url_size += strlen(source->ypdata[i]->server_genre);
                }
                else {
                    source->ypdata[i]->server_genre = (char *)malloc(1);
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                    source->ypdata[i]->server_genre[0] = 0;
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                }
                if (source->ypdata[i]->cluster_password) {
                    url_size += strlen(source->ypdata[i]->cluster_password);
                }
                else {
                    source->ypdata[i]->cluster_password = (char *)malloc(1);
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                    source->ypdata[i]->cluster_password[0] = 0;
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                }
                if (source->ypdata[i]->server_url) {
                    url_size += strlen(source->ypdata[i]->server_url);
                }
                else {
                    source->ypdata[i]->server_url = (char *)malloc(1);
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                    source->ypdata[i]->server_url[0] = 0;
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                }
                if (source->ypdata[i]->listen_url) {
                    url_size += strlen(source->ypdata[i]->listen_url);
                }
                else {
                    source->ypdata[i]->listen_url = (char *)malloc(1);
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                    source->ypdata[i]->listen_url[0] = 0;
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                }
                if (source->ypdata[i]->server_type) {
                    url_size += strlen(source->ypdata[i]->server_type);
                }
                else {
                    source->ypdata[i]->server_type = (char *)malloc(1);
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                    source->ypdata[i]->server_type[0] = 0;
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                }
                if (source->ypdata[i]->bitrate) {
                    url_size += strlen(source->ypdata[i]->bitrate);
                }
                else {
                    source->ypdata[i]->bitrate = (char *)malloc(1);
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                    source->ypdata[i]->bitrate[0] = 0;
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                }
                if (source->ypdata[i]->current_song) {
                    url_size += strlen(source->ypdata[i]->current_song);
                }
                else {
                    source->ypdata[i]->current_song = (char *)malloc(1);
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                    source->ypdata[i]->current_song[0] = 0;
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                }
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                if (source->ypdata[i]->audio_info) {
                    url_size += strlen(source->ypdata[i]->audio_info);
                }
                else {
                    source->ypdata[i]->audio_info = (char *)malloc(1);
                    source->ypdata[i]->audio_info[0] = 0;
                }

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                url_size += 1024;
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                url = malloc(url_size);
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                sprintf(url, "action=add&sn=%s&genre=%s&cpswd=%s&desc="
                             "%s&url=%s&listenurl=%s&type=%s&b=%s&%s", 
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                        source->ypdata[i]->server_name,
                        source->ypdata[i]->server_genre,
                        source->ypdata[i]->cluster_password,
                        source->ypdata[i]->server_desc,
                        source->ypdata[i]->server_url,
                        source->ypdata[i]->listen_url,
                        source->ypdata[i]->server_type,
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                        source->ypdata[i]->bitrate,
                        source->ypdata[i]->audio_info);
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               curl_con = curl_get_connection();
               if (curl_con < 0) {
                   ERROR0("Unable to get auth connection");
               }
               else {
                   /* specify URL to get */
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                   ret = yp_submit_url(curl_con, source->ypdata[i]->yp_url, 
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                           url, "yp_add", i);
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                   if (ret) {
                       if (strlen(curl_get_header_result(curl_con)->sid) > 0) {
                           if (source->ypdata) {
                               if (source->ypdata[i]->sid) {
                                   free(source->ypdata[i]->sid);
                                   source->ypdata[i]->sid = NULL;
                               }
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                               source->ypdata[i]->sid = (char *)malloc(
                                       strlen(curl_get_header_result(curl_con)->
                                           sid) +1);
                               strcpy(source->ypdata[i]->sid, 
                                       curl_get_header_result(curl_con)->sid);
                               source->ypdata[i]->yp_touch_interval = 
                                   curl_get_header_result(
                                           curl_con)->touch_interval;
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                           }
                       }
                   }
               }
               if (url) {
                   free(url);
               }
               curl_release_connection(curl_con);
            }
        }
    }
    return 1;
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}

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ypdata_t *yp_create_ypdata()
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{
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    return calloc(1, sizeof(ypdata_t));
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}
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void yp_destroy_ypdata(ypdata_t *ypdata)
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{
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    if (ypdata) {
        if (ypdata->sid) {
            free(ypdata->sid);
        }
        if (ypdata->server_name) {
            free(ypdata->server_name);
        }
        if (ypdata->server_desc) {
            free(ypdata->server_desc);
        }
        if (ypdata->server_genre) {
            free(ypdata->server_genre);
        }
        if (ypdata->cluster_password) {
            free(ypdata->cluster_password);
        }
        if (ypdata->server_url) {
            free(ypdata->server_url);
        }
        if (ypdata->listen_url) {
            free(ypdata->listen_url);
        }
        if (ypdata->current_song) {
            free(ypdata->current_song);
        }
        if (ypdata->bitrate) {
            free(ypdata->bitrate);
        }
        if (ypdata->server_type) {
            free(ypdata->server_type);
        }
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        if (ypdata->audio_info) {
            free(ypdata->audio_info);
        }
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        free(ypdata);
    }
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}
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