comparison: libpurple/protocols/qq/sendqueue.c
libpurple/protocols/qq/sendqueue.c
- changeset 15435
- 4b933b06d75e
- parent 15378
- bb7ca64f37d1
- child 15884
- 4de1981757fc
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| 15434:94dcf9e39d66 | 15435:4b933b06d75e |
|---|---|
| 1 /** | |
| 2 * @file sendqueue.c | |
| 3 * | |
| 4 * gaim | |
| 5 * | |
| 6 * Gaim is the legal property of its developers, whose names are too numerous | |
| 7 * to list here. Please refer to the COPYRIGHT file distributed with this | |
| 8 * source distribution. | |
| 9 * | |
| 10 * This program is free software; you can redistribute it and/or modify | |
| 11 * it under the terms of the GNU General Public License as published by | |
| 12 * the Free Software Foundation; either version 2 of the License, or | |
| 13 * (at your option) any later version. | |
| 14 * | |
| 15 * This program is distributed in the hope that it will be useful, | |
| 16 * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| 18 * GNU General Public License for more details. | |
| 19 * | |
| 20 * You should have received a copy of the GNU General Public License | |
| 21 * along with this program; if not, write to the Free Software | |
| 22 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
| 23 */ | |
| 24 | |
| 25 #include "connection.h" | |
| 26 #include "debug.h" | |
| 27 #include "internal.h" | |
| 28 #include "notify.h" | |
| 29 #include "prefs.h" | |
| 30 #include "request.h" | |
| 31 | |
| 32 #include "header_info.h" | |
| 33 #include "qq_proxy.h" | |
| 34 #include "sendqueue.h" | |
| 35 | |
| 36 #define QQ_RESEND_MAX 8 /* max resend per packet */ | |
| 37 | |
| 38 typedef struct _gc_and_packet gc_and_packet; | |
| 39 | |
| 40 struct _gc_and_packet { | |
| 41 GaimConnection *gc; | |
| 42 qq_sendpacket *packet; | |
| 43 }; | |
| 44 | |
| 45 /* Remove a packet with send_seq from sendqueue */ | |
| 46 void qq_sendqueue_remove(qq_data *qd, guint16 send_seq) | |
| 47 { | |
| 48 GList *list; | |
| 49 qq_sendpacket *p; | |
| 50 | |
| 51 list = qd->sendqueue; | |
| 52 while (list != NULL) { | |
| 53 p = (qq_sendpacket *) (list->data); | |
| 54 if (p->send_seq == send_seq) { | |
| 55 qd->sendqueue = g_list_remove(qd->sendqueue, p); | |
| 56 g_free(p->buf); | |
| 57 g_free(p); | |
| 58 break; | |
| 59 } | |
| 60 list = list->next; | |
| 61 } | |
| 62 } | |
| 63 | |
| 64 /* clean up sendqueue and free all contents */ | |
| 65 void qq_sendqueue_free(qq_data *qd) | |
| 66 { | |
| 67 qq_sendpacket *p; | |
| 68 gint i; | |
| 69 | |
| 70 i = 0; | |
| 71 while (qd->sendqueue != NULL) { | |
| 72 p = (qq_sendpacket *) (qd->sendqueue->data); | |
| 73 qd->sendqueue = g_list_remove(qd->sendqueue, p); | |
| 74 g_free(p->buf); | |
| 75 g_free(p); | |
| 76 i++; | |
| 77 } | |
| 78 gaim_debug(GAIM_DEBUG_INFO, "QQ", "%d packets in sendqueue are freed!\n", i); | |
| 79 } | |
| 80 | |
| 81 /* FIXME We shouldn't be dropping packets, but for now we have to because | |
| 82 * somewhere we're generating invalid packets that the server won't ack. | |
| 83 * Given enough time, a buildup of those packets would crash the client. */ | |
| 84 gboolean qq_sendqueue_timeout_callback(gpointer data) | |
| 85 { | |
| 86 GaimConnection *gc; | |
| 87 qq_data *qd; | |
| 88 GList *list; | |
| 89 qq_sendpacket *p; | |
| 90 time_t now; | |
| 91 gint wait_time; | |
| 92 | |
| 93 gc = (GaimConnection *) data; | |
| 94 qd = (qq_data *) gc->proto_data; | |
| 95 now = time(NULL); | |
| 96 list = qd->sendqueue; | |
| 97 | |
| 98 /* empty queue, return TRUE so that timeout continues functioning */ | |
| 99 if (qd->sendqueue == NULL) | |
| 100 return TRUE; | |
| 101 | |
| 102 while (list != NULL) { /* remove all packet whose resend_times == -1 */ | |
| 103 p = (qq_sendpacket *) list->data; | |
| 104 if (p->resend_times == -1) { /* to remove */ | |
| 105 qd->sendqueue = g_list_remove(qd->sendqueue, p); | |
| 106 g_free(p->buf); | |
| 107 g_free(p); | |
| 108 list = qd->sendqueue; | |
| 109 } else { | |
| 110 list = list->next; | |
| 111 } | |
| 112 } | |
| 113 | |
| 114 list = qd->sendqueue; | |
| 115 while (list != NULL) { | |
| 116 p = (qq_sendpacket *) list->data; | |
| 117 if (p->resend_times == QQ_RESEND_MAX) { /* reach max */ | |
| 118 switch (p->cmd) { | |
| 119 case QQ_CMD_KEEP_ALIVE: | |
| 120 if (qd->logged_in) { | |
| 121 gaim_debug(GAIM_DEBUG_ERROR, "QQ", "Connection lost!\n"); | |
| 122 gaim_connection_error(gc, _("Connection lost")); | |
| 123 qd->logged_in = FALSE; | |
| 124 } | |
| 125 p->resend_times = -1; | |
| 126 break; | |
| 127 case QQ_CMD_LOGIN: | |
| 128 case QQ_CMD_REQUEST_LOGIN_TOKEN: | |
| 129 if (!qd->logged_in) /* cancel login progress */ | |
| 130 gaim_connection_error(gc, _("Login failed, no reply")); | |
| 131 p->resend_times = -1; | |
| 132 break; | |
| 133 default:{ | |
| 134 gaim_debug(GAIM_DEBUG_WARNING, "QQ", | |
| 135 "%s packet sent %d times but not acked. Not resending it.\n", | |
| 136 qq_get_cmd_desc(p->cmd), QQ_RESEND_MAX); | |
| 137 } | |
| 138 p->resend_times = -1; | |
| 139 } | |
| 140 } else { /* resend_times < QQ_RESEND_MAX, so sent it again */ | |
| 141 wait_time = (gint) (QQ_SENDQUEUE_TIMEOUT / 1000); | |
| 142 if (difftime(now, p->sendtime) > (wait_time * (p->resend_times + 1))) { | |
| 143 qq_proxy_write(qd, p->buf, p->len); | |
| 144 p->resend_times++; | |
| 145 gaim_debug(GAIM_DEBUG_INFO, | |
| 146 "QQ", "<<< [%05d] send again for %d times!\n", | |
| 147 p->send_seq, p->resend_times); | |
| 148 } | |
| 149 } | |
| 150 list = list->next; | |
| 151 } | |
| 152 return TRUE; /* if we return FALSE, the timeout callback stops functioning */ | |
| 153 } |
