/* $Id: hayes.c,v 1.1.2.57 2011/03/05 12:54:43 khorben Exp $ */ /* Copyright (c) 2011 Pierre Pronchery */ /* This file is part of DeforaOS Desktop Phone */ /* This program is free software: you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation, version 3 of the License. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program. If not, see . */ #include #include #include #include #include #include #include #include #include #include #include #include #include "hayes.h" #define max(a, b) ((a) > (b) ? (a) : (b)) #define min(a, b) ((a) < (b) ? (a) : (b)) /* Hayes */ /* private */ /* types */ typedef enum _HayesMode { HAYES_MODE_INIT = 0, HAYES_MODE_COMMAND, HAYES_MODE_DATA } HayesMode; typedef struct _Hayes { unsigned int retry; unsigned int quirks; /* modem */ guint source; guint timeout; GIOChannel * channel; char * rd_buf; size_t rd_buf_cnt; guint rd_source; char * wr_buf; size_t wr_buf_cnt; guint wr_source; GIOChannel * rd_ppp_channel; guint rd_ppp_source; GIOChannel * wr_ppp_channel; guint wr_ppp_source; /* queue */ HayesMode mode; GSList * queue; /* internal */ ModemEvent events[MODEM_EVENT_TYPE_COUNT]; char * authentication_name; char * call_number; char * contact_name; char * contact_number; char * gprs_username; char * gprs_password; char * model_name; char * model_vendor; char * model_version; char * registration_media; char * registration_operator; } Hayes; typedef enum _HayesCommandPriority { HCP_NORMAL = 0, HCP_IMMEDIATE } HayesCommandPriority; typedef enum _HayesCommandStatus { HCS_PENDING = 0, HCS_QUEUED, HCS_ACTIVE, HCS_TIMEOUT, HCS_ERROR, HCS_SUCCESS } HayesCommandStatus; typedef struct _HayesCommand HayesCommand; typedef HayesCommandStatus (*HayesCommandCallback)(HayesCommand * command, HayesCommandStatus status, void * priv); struct _HayesCommand { HayesCommandPriority priority; HayesCommandStatus status; /* request */ char * attention; unsigned int timeout; HayesCommandCallback callback; void * priv; /* answer */ char * answer; }; typedef struct _HayesRequestContactList { unsigned int from; unsigned int to; } HayesRequestContactList; typedef enum _HayesQuirk { HAYES_QUIRK_BATTERY_70 = 0x1, HAYES_QUIRK_CPIN_QUOTES = 0x2, HAYES_QUIRK_CONNECTED_LINE_DISABLED = 0x4, HAYES_QUIRK_WANT_SMSC_IN_PDU = 0x8 } HayesQuirk; typedef struct _HayesRequestHandler { unsigned int type; char const * attention; HayesCommandCallback callback; } HayesRequestHandler; typedef struct _HayesTriggerHandler { char const * trigger; void (*callback)(ModemPlugin * modem, char const * answer); } HayesTriggerHandler; /* constants */ enum { HAYES_REQUEST_ALIVE = MODEM_REQUEST_COUNT, HAYES_REQUEST_BATTERY_LEVEL, HAYES_REQUEST_CALL_WAITING_UNSOLLICITED_DISABLE, HAYES_REQUEST_CALL_WAITING_UNSOLLICITED_ENABLE, HAYES_REQUEST_CONNECTED_LINE_DISABLE, HAYES_REQUEST_CONNECTED_LINE_ENABLE, HAYES_REQUEST_CONTACT_LIST, HAYES_REQUEST_EXTENDED_ERRORS, HAYES_REQUEST_EXTENDED_RING_REPORTS, HAYES_REQUEST_FUNCTIONAL, HAYES_REQUEST_FUNCTIONAL_DISABLE, HAYES_REQUEST_FUNCTIONAL_ENABLE, HAYES_REQUEST_GPRS_ATTACHED, HAYES_REQUEST_LOCAL_ECHO_DISABLE, HAYES_REQUEST_LOCAL_ECHO_ENABLE, HAYES_REQUEST_MESSAGE, HAYES_REQUEST_MESSAGE_UNSOLLICITED_DISABLE, HAYES_REQUEST_MESSAGE_UNSOLLICITED_ENABLE, HAYES_REQUEST_MODEL, HAYES_REQUEST_OPERATOR, HAYES_REQUEST_OPERATOR_FORMAT_SHORT, HAYES_REQUEST_OPERATOR_FORMAT_LONG, HAYES_REQUEST_OPERATOR_FORMAT_NUMERIC, HAYES_REQUEST_PHONE_ACTIVE, HAYES_REQUEST_REGISTRATION, HAYES_REQUEST_REGISTRATION_UNSOLLICITED_DISABLE, HAYES_REQUEST_REGISTRATION_UNSOLLICITED_ENABLE, HAYES_REQUEST_SIGNAL_LEVEL, HAYES_REQUEST_SIM_PIN_VALID, HAYES_REQUEST_VENDOR, HAYES_REQUEST_VERBOSE, HAYES_REQUEST_VERSION }; /* prototypes */ /* modem */ static int _hayes_init(ModemPlugin * modem); static int _hayes_destroy(ModemPlugin * modem); static int _hayes_start(ModemPlugin * modem, unsigned int retry); static int _hayes_stop(ModemPlugin * modem); static int _hayes_request(ModemPlugin * modem, ModemRequest * request); static int _hayes_trigger(ModemPlugin * modem, ModemEventType event); /* accessors */ static void _hayes_set_mode(ModemPlugin * modem, HayesMode mode); /* parser */ static int _hayes_parse(ModemPlugin * modem); static int _hayes_parse_trigger(ModemPlugin * modem, char const * answer, HayesCommand * command); /* queue */ static int _hayes_queue_command(ModemPlugin * modem, HayesCommand * command); static int _hayes_queue_command_full(ModemPlugin * modem, char const * attention, HayesCommandCallback callback); static void _hayes_queue_flush(ModemPlugin * modem); static int _hayes_queue_pop(ModemPlugin * modem); static int _hayes_queue_push(ModemPlugin * modem); static int _hayes_reset(ModemPlugin * modem); /* commands */ static HayesCommand * _hayes_command_new(char const * attention); static void _hayes_command_delete(HayesCommand * command); static char const * _hayes_command_get_answer(HayesCommand * command); static char const * _hayes_command_get_attention(HayesCommand * command); static char * _hayes_command_get_line(HayesCommand * command, char const * prefix); static HayesCommandStatus _hayes_command_get_status(HayesCommand * command); static unsigned int _hayes_command_get_timeout(HayesCommand * command); static void _hayes_command_set_callback(HayesCommand * command, HayesCommandCallback callback, void * priv); static void _hayes_command_set_priority(HayesCommand * command, HayesCommandPriority priority); static void _hayes_command_set_status(HayesCommand * command, HayesCommandStatus status); static void _hayes_command_set_timeout(HayesCommand * command, unsigned int timeout); static int _hayes_command_answer_append(HayesCommand * command, char const * answer); static HayesCommandStatus _hayes_command_callback(HayesCommand * command); /* callbacks */ static gboolean _on_reset(gpointer data); static gboolean _on_timeout(gpointer data); static gboolean _on_watch_can_read(GIOChannel * source, GIOCondition condition, gpointer data); static gboolean _on_watch_can_read_ppp(GIOChannel * source, GIOCondition condition, gpointer data); static gboolean _on_watch_can_write(GIOChannel * source, GIOCondition condition, gpointer data); static gboolean _on_watch_can_write_ppp(GIOChannel * source, GIOCondition condition, gpointer data); static HayesCommandStatus _on_request_authentication(HayesCommand * command, HayesCommandStatus status, void * priv); static HayesCommandStatus _on_request_battery_level(HayesCommand * command, HayesCommandStatus status, void * priv); static HayesCommandStatus _on_request_call(HayesCommand * command, HayesCommandStatus status, void * priv); static HayesCommandStatus _on_request_call_incoming(HayesCommand * command, HayesCommandStatus status, void * priv); static HayesCommandStatus _on_request_call_outgoing(HayesCommand * command, HayesCommandStatus status, void * priv); static HayesCommandStatus _on_request_call_status(HayesCommand * command, HayesCommandStatus status, void * priv); static HayesCommandStatus _on_request_contacts(HayesCommand * command, HayesCommandStatus status, void * priv); static HayesCommandStatus _on_request_functional(HayesCommand * command, HayesCommandStatus status, void * priv); static HayesCommandStatus _on_request_generic(HayesCommand * command, HayesCommandStatus status, void * priv); static HayesCommandStatus _on_request_messages(HayesCommand * command, HayesCommandStatus status, void * priv); static HayesCommandStatus _on_request_model(HayesCommand * command, HayesCommandStatus status, void * priv); static void _on_trigger_call_error(ModemPlugin * modem, char const * answer); static void _on_trigger_cbc(ModemPlugin * modem, char const * answer); static void _on_trigger_cfun(ModemPlugin * modem, char const * answer); static void _on_trigger_cgatt(ModemPlugin * modem, char const * answer); static void _on_trigger_cgmi(ModemPlugin * modem, char const * answer); static void _on_trigger_cgmm(ModemPlugin * modem, char const * answer); static void _on_trigger_cgmr(ModemPlugin * modem, char const * answer); static void _on_trigger_clip(ModemPlugin * modem, char const * answer); static void _on_trigger_cme_error(ModemPlugin * modem, char const * answer); static void _on_trigger_cms_error(ModemPlugin * modem, char const * answer); static void _on_trigger_cmti(ModemPlugin * modem, char const * answer); static void _on_trigger_connect(ModemPlugin * modem, char const * answer); static void _on_trigger_colp(ModemPlugin * modem, char const * answer); static void _on_trigger_cops(ModemPlugin * modem, char const * answer); static void _on_trigger_cpas(ModemPlugin * modem, char const * answer); static void _on_trigger_cpbr(ModemPlugin * modem, char const * answer); static void _on_trigger_cpin(ModemPlugin * modem, char const * answer); static void _on_trigger_creg(ModemPlugin * modem, char const * answer); static void _on_trigger_cring(ModemPlugin * modem, char const * answer); static void _on_trigger_csq(ModemPlugin * modem, char const * answer); /* helpers */ static int _is_figure(int c); static int _is_number(char const * number); /* variables */ typedef enum _HayesConfig { HAYES_CONFIG_BAUDRATE = 0, HAYES_CONFIG_HWFLOW, HAYES_CONFIG_DEVICE } HayesConfig; #define HAYES_CONFIG_LAST HAYES_CONFIG_DEVICE #define HAYES_CONFIG_COUNT (HAYES_CONFIG_LAST + 1) static ModemConfig _hayes_config[HAYES_CONFIG_COUNT + 1] = { { "baudrate", "Baudrate", MCT_UINT32, (void*)115200 }, { "hwflow", "Hardware flow control",MCT_BOOLEAN, (void*)1 }, { "device", "Modem device", MCT_FILENAME, NULL }, { NULL, NULL, MCT_NONE, NULL } }; static const struct { char const * model; unsigned int quirks; } _hayes_quirks[] = { { "\"Neo1973 Embedded GSM Modem\"", HAYES_QUIRK_CPIN_QUOTES | HAYES_QUIRK_WANT_SMSC_IN_PDU | HAYES_QUIRK_CONNECTED_LINE_DISABLED }, { "\"Neo1973 GTA01/GTA02 Embedded GSM Modem\"", HAYES_QUIRK_CPIN_QUOTES | HAYES_QUIRK_WANT_SMSC_IN_PDU | HAYES_QUIRK_CONNECTED_LINE_DISABLED }, { "\"Neo1973 GTA02 Embedded GSM Modem\"", HAYES_QUIRK_CPIN_QUOTES | HAYES_QUIRK_WANT_SMSC_IN_PDU | HAYES_QUIRK_CONNECTED_LINE_DISABLED }, { "Nokia N900", HAYES_QUIRK_BATTERY_70 }, { NULL, 0 } }; static HayesRequestHandler _hayes_request_handlers[] = { { HAYES_REQUEST_ALIVE, "AT", _on_request_generic }, { HAYES_REQUEST_BATTERY_LEVEL, "AT+CBC", _on_request_battery_level }, { HAYES_REQUEST_CALL_WAITING_UNSOLLICITED_DISABLE,"AT+CCWA=1", _on_request_generic }, { HAYES_REQUEST_CALL_WAITING_UNSOLLICITED_ENABLE,"AT+CCWA=1", _on_request_generic }, { HAYES_REQUEST_CONNECTED_LINE_DISABLE, "AT+COLP=0", _on_request_generic }, { HAYES_REQUEST_CONNECTED_LINE_ENABLE, "AT+COLP=1", _on_request_generic }, { HAYES_REQUEST_CONTACT_LIST, NULL, _on_request_generic }, { HAYES_REQUEST_EXTENDED_ERRORS, "AT+CMEE=1", _on_request_generic }, { HAYES_REQUEST_EXTENDED_RING_REPORTS, "AT+CRC=1", _on_request_generic }, { HAYES_REQUEST_FUNCTIONAL, "AT+CFUN?", _on_request_generic }, { HAYES_REQUEST_FUNCTIONAL_DISABLE, "AT+CFUN=0", _on_request_generic }, { HAYES_REQUEST_FUNCTIONAL_ENABLE, "AT+CFUN=1", _on_request_functional }, { HAYES_REQUEST_GPRS_ATTACHED, "AT+CGATT?", _on_request_generic }, { HAYES_REQUEST_LOCAL_ECHO_DISABLE, "ATE0", _on_request_generic }, { HAYES_REQUEST_LOCAL_ECHO_ENABLE, "ATE1", _on_request_generic }, { HAYES_REQUEST_MESSAGE_UNSOLLICITED_DISABLE, "AT+CNMI=0", _on_request_generic }, { HAYES_REQUEST_MESSAGE_UNSOLLICITED_ENABLE, "AT+CNMI=1", _on_request_generic }, /* XXX report error? */ { HAYES_REQUEST_MODEL, "AT+CGMM", _on_request_model }, { HAYES_REQUEST_OPERATOR, "AT+COPS?", _on_request_generic }, { HAYES_REQUEST_OPERATOR_FORMAT_LONG, "AT+COPS=3,0", _on_request_generic }, { HAYES_REQUEST_OPERATOR_FORMAT_NUMERIC, "AT+COPS=3,2", _on_request_generic }, { HAYES_REQUEST_OPERATOR_FORMAT_SHORT, "AT+COPS=3,1", _on_request_generic }, { HAYES_REQUEST_PHONE_ACTIVE, "AT+CPAS", _on_request_call }, { HAYES_REQUEST_REGISTRATION, "AT+CREG?", _on_request_generic }, { HAYES_REQUEST_REGISTRATION_UNSOLLICITED_DISABLE,"AT+CREG=0", _on_request_generic }, { HAYES_REQUEST_REGISTRATION_UNSOLLICITED_ENABLE,"AT+CREG=2", _on_request_generic }, { HAYES_REQUEST_SIGNAL_LEVEL, "AT+CSQ", _on_request_generic }, { HAYES_REQUEST_SIM_PIN_VALID, "AT+CPIN?", _on_request_authentication }, { HAYES_REQUEST_VENDOR, "AT+CGMI", _on_request_model }, { HAYES_REQUEST_VERBOSE, "ATV1", _on_request_generic }, { HAYES_REQUEST_VERSION, "AT+CGMR", _on_request_model }, { MODEM_REQUEST_AUTHENTICATE, NULL, _on_request_authentication }, { MODEM_REQUEST_CALL, NULL, _on_request_call_outgoing }, { MODEM_REQUEST_CALL_ANSWER, "ATA", _on_request_call_incoming }, { MODEM_REQUEST_CALL_HANGUP, NULL, _on_request_call_status }, { MODEM_REQUEST_CALL_PRESENTATION, NULL, _on_request_generic }, { MODEM_REQUEST_CONTACT_LIST, "AT+CPBR=?", _on_request_contacts }, { MODEM_REQUEST_MESSAGE_LIST, "AT+CMGL=4", _on_request_messages }, { MODEM_REQUEST_REGISTRATION, NULL, _on_request_generic }, /* FIXME really track */ { MODEM_REQUEST_UNSUPPORTED, NULL, _on_request_generic } }; static HayesTriggerHandler _hayes_trigger_handlers[] = { { "+CBC", _on_trigger_cbc }, { "+CFUN", _on_trigger_cfun }, { "+CGATT", _on_trigger_cgatt }, { "+CGMI", _on_trigger_cgmi }, { "+CGMM", _on_trigger_cgmm }, { "+CGMR", _on_trigger_cgmr }, { "+CLIP", _on_trigger_clip }, { "+CME ERROR", _on_trigger_cme_error }, { "+CMS ERROR", _on_trigger_cms_error }, { "+CMTI", _on_trigger_cmti }, { "+COLP", _on_trigger_colp }, { "+COPS", _on_trigger_cops }, { "+CPAS", _on_trigger_cpas }, { "+CPBR", _on_trigger_cpbr }, { "+CPIN", _on_trigger_cpin }, { "+CREG", _on_trigger_creg }, { "+CRING", _on_trigger_cring }, { "+CSQ", _on_trigger_csq }, { "BUSY", _on_trigger_call_error }, { "CONNECT", _on_trigger_connect }, { "NO CARRIER", _on_trigger_call_error }, { "NO DIALTONE",_on_trigger_call_error }, { "RING", _on_trigger_cring } }; /* public */ /* variables */ ModemPlugin plugin = { NULL, "Hayes", NULL, _hayes_config, _hayes_init, _hayes_destroy, _hayes_start, _hayes_stop, _hayes_request, _hayes_trigger, NULL }; /* private */ /* functions */ static int _hayes_init(ModemPlugin * modem) { Hayes * hayes; size_t i; if((hayes = object_new(sizeof(*hayes))) == NULL) return -1; memset(hayes, 0, sizeof(*hayes)); modem->priv = hayes; hayes->mode = HAYES_MODE_INIT; for(i = 0; i < sizeof(hayes->events) / sizeof(*hayes->events); i++) { hayes->events[i].type = i; if(i == MODEM_EVENT_TYPE_REGISTRATION) hayes->events[i].registration.signal = 0.0 / 0.0; } return 0; } /* hayes_destroy */ static int _hayes_destroy(ModemPlugin * modem) { Hayes * hayes = modem->priv; _hayes_stop(modem); string_delete(hayes->authentication_name); string_delete(hayes->call_number); string_delete(hayes->contact_name); string_delete(hayes->contact_number); string_delete(hayes->gprs_username); string_delete(hayes->gprs_password); string_delete(hayes->model_name); string_delete(hayes->model_vendor); string_delete(hayes->model_version); string_delete(hayes->registration_media); string_delete(hayes->registration_operator); object_delete(hayes); return 0; } /* hayes_request */ static char * _request_attention(ModemPlugin * modem, ModemRequest * request); static char * _request_attention_apn(char const * protocol, char const * apn); static char * _request_attention_call(ModemPlugin * modem, ModemRequest * request); static char * _request_attention_call_hangup(ModemPlugin * modem); static char * _request_attention_gprs(ModemPlugin * modem, char const * username, char const * password); static char * _request_attention_contact_list(ModemRequest * request); static char * _request_attention_sim_pin(ModemPlugin * modem, char const * password); static char * _request_registration(ModemPlugin * modem, ModemRequest * request); static char * _request_unsupported(ModemPlugin * modem, ModemRequest * request); static int _hayes_request(ModemPlugin * modem, ModemRequest * request) { int ret; Hayes * hayes = modem->priv; size_t i; size_t count = sizeof(_hayes_request_handlers) / sizeof(*_hayes_request_handlers); char const * attention; char * p = NULL; #ifdef DEBUG fprintf(stderr, "DEBUG: %s(%u)\n", __func__, (request != NULL) ? request->type : (unsigned)-1); #endif if(request == NULL) return -1; if(hayes->quirks & HAYES_QUIRK_CONNECTED_LINE_DISABLED && request->type == HAYES_REQUEST_CONNECTED_LINE_ENABLE) request->type = HAYES_REQUEST_CONNECTED_LINE_DISABLE; for(i = 0; i < count; i++) if(_hayes_request_handlers[i].type == request->type) break; if(i == count) #ifdef DEBUG return -modem->helper->error(modem->helper->modem, "Unable to handle request", 1); #else return -1; #endif if((attention = _hayes_request_handlers[i].attention) == NULL) { if((p = _request_attention(modem, request)) == NULL) return 0; /* XXX errors should not be ignored */ attention = p; } ret = _hayes_queue_command_full(modem, attention, _hayes_request_handlers[i].callback); free(p); return ret; } static char * _request_attention(ModemPlugin * modem, ModemRequest * request) { char buf[32]; switch(request->type) { case HAYES_REQUEST_CONTACT_LIST: return _request_attention_contact_list(request); case MODEM_REQUEST_AUTHENTICATE: if(strcmp(request->authenticate.name, "APN") == 0) return _request_attention_apn( request->authenticate.username, request->authenticate.password); if(strcmp(request->authenticate.name, "GPRS") == 0) return _request_attention_gprs(modem, request->authenticate.username, request->authenticate.password); if(strcmp(request->authenticate.name, "SIM PIN") == 0) return _request_attention_sim_pin(modem, request->authenticate.password); break; case MODEM_REQUEST_CALL: return _request_attention_call(modem, request); case MODEM_REQUEST_CALL_HANGUP: return _request_attention_call_hangup(modem); case MODEM_REQUEST_CALL_PRESENTATION: snprintf(buf, sizeof(buf), "%s%u", "AT+CLIP=", request->call_presentation.enabled ? 1 : 0); return strdup(buf); case MODEM_REQUEST_REGISTRATION: return _request_registration(modem, request); case MODEM_REQUEST_UNSUPPORTED: return _request_unsupported(modem, request); default: break; } return NULL; } static char * _request_attention_apn(char const * protocol, char const * apn) { char * ret; const char cmd[] = "AT+CGDCONT=1,"; size_t len; if(protocol == NULL || apn == NULL) return NULL; len = sizeof(cmd) + strlen(protocol) + 2 + strlen(apn) + 3; if((ret = malloc(len)) == NULL) return NULL; snprintf(ret, len, "%s\"%s\",\"%s\"", cmd, protocol, apn); return ret; } static char * _request_attention_call(ModemPlugin * modem, ModemRequest * request) { char * ret; Hayes * hayes = modem->priv; char const * number = request->call.number; ModemEvent * event; const char cmd[] = "ATD"; const char anonymous[] = "I"; const char voice[] = ";"; size_t len; if(request->call.number == NULL) request->call.number = ""; if(request->call.number[0] == '\0') number = "L"; else if(!_is_number(request->call.number)) return NULL; event = &hayes->events[MODEM_EVENT_TYPE_CALL]; free(hayes->call_number); if(request->call.call_type == MODEM_CALL_TYPE_DATA) hayes->call_number = NULL; else if((hayes->call_number = strdup(request->call.number)) == NULL) return NULL; event->call.number = hayes->call_number; len = sizeof(cmd) + strlen(number) + sizeof(anonymous) + sizeof(voice); if((ret = malloc(len)) == NULL) return NULL; snprintf(ret, len, "%s%s%s%s", "ATD", number, (request->call.anonymous) ? anonymous : "", (request->call.call_type == MODEM_CALL_TYPE_VOICE) ? voice : ""); return ret; } static char * _request_attention_call_hangup(ModemPlugin * modem) { Hayes * hayes = modem->priv; if(hayes->mode != HAYES_MODE_DATA) return strdup("ATH"); _hayes_set_mode(modem, HAYES_MODE_INIT); return NULL; } static char * _request_attention_contact_list(ModemRequest * request) { HayesRequestContactList * list = request->plugin.data; const char cmd[] = "AT+CPBR="; char buf[32]; if(list->to < list->from) list->to = list->from; snprintf(buf, sizeof(buf), "%s%u,%u", cmd, list->from, list->to); return strdup(buf); } static char * _request_attention_gprs(ModemPlugin * modem, char const * username, char const * password) { Hayes * hayes = modem->priv; free(hayes->gprs_username); hayes->gprs_username = (username != NULL) ? strdup(username) : NULL; free(hayes->gprs_password); hayes->gprs_password = (password != NULL) ? strdup(password) : NULL; return NULL; /* we don't need to issue any command */ } static char * _request_attention_sim_pin(ModemPlugin * modem, char const * password) { char * ret; Hayes * hayes = modem->priv; const char cmd[] = "AT+CPIN="; size_t len; char const * format; if(password == NULL) return NULL; len = sizeof(cmd) + strlen(password) + 2; if((ret = malloc(len)) == NULL) return NULL; format = (hayes->quirks & HAYES_QUIRK_CPIN_QUOTES) ? "%s\"%s\"" : "%s%s"; snprintf(ret, len, format, cmd, password); return ret; } static char * _request_registration(ModemPlugin * modem, ModemRequest * request) { switch(request->registration.mode) { /* FIXME implement the missing cases */ case MODEM_REGISTRATION_MODE_AUTOMATIC: return strdup("AT+COPS=0"); case MODEM_REGISTRATION_MODE_DISABLED: return strdup("AT+COPS=2"); case MODEM_REGISTRATION_MODE_UNKNOWN: break; } return NULL; } static char * _request_unsupported(ModemPlugin * modem, ModemRequest * request) { HayesRequest * hrequest = request->unsupported.request; if(strcmp(request->unsupported.modem, plugin.name) != 0) return NULL; if(request->unsupported.size != sizeof(*hrequest)) return NULL; switch(request->unsupported.request_type) { case HAYES_REQUEST_COMMAND_QUEUE: return strdup(hrequest->command_queue.command); default: return NULL; } } /* hayes_start */ static int _hayes_start(ModemPlugin * modem, unsigned int retry) { Hayes * hayes = modem->priv; hayes->retry = retry; hayes->source = g_idle_add(_on_reset, modem); return 0; } /* hayes_stop */ static void _stop_channel(GIOChannel * channel); static int _hayes_stop(ModemPlugin * modem) { Hayes * hayes = modem->priv; _hayes_queue_flush(modem); _stop_channel(hayes->channel); hayes->channel = NULL; _stop_channel(hayes->rd_ppp_channel); hayes->rd_ppp_channel = NULL; _stop_channel(hayes->wr_ppp_channel); hayes->wr_ppp_channel = NULL; /* FIXME some more? */ return 0; } static void _stop_channel(GIOChannel * channel) { GError * error = NULL; if(channel == NULL) return; /* XXX should the file descriptor also be closed? */ g_io_channel_shutdown(channel, TRUE, &error); g_io_channel_unref(channel); } /* hayes_trigger */ static int _hayes_trigger(ModemPlugin * modem, ModemEventType event) { int ret = 0; ModemRequest request; #ifdef DEBUG fprintf(stderr, "DEBUG: %s(%u)\n", __func__, event); #endif memset(&request, 0, sizeof(request)); switch(event) { case MODEM_EVENT_TYPE_AUTHENTICATION: request.type = HAYES_REQUEST_SIM_PIN_VALID; return _hayes_request(modem, &request); case MODEM_EVENT_TYPE_BATTERY_LEVEL: request.type = HAYES_REQUEST_BATTERY_LEVEL; return _hayes_request(modem, &request); case MODEM_EVENT_TYPE_CALL: request.type = HAYES_REQUEST_PHONE_ACTIVE; return _hayes_request(modem, &request); case MODEM_EVENT_TYPE_CONTACT: request.type = MODEM_REQUEST_CONTACT_LIST; return _hayes_request(modem, &request); case MODEM_EVENT_TYPE_MODEL: request.type = HAYES_REQUEST_VENDOR; ret |= _hayes_request(modem, &request); request.type = HAYES_REQUEST_MODEL; ret |= _hayes_request(modem, &request); request.type = HAYES_REQUEST_VERSION; ret |= _hayes_request(modem, &request); break; case MODEM_EVENT_TYPE_REGISTRATION: request.type = HAYES_REQUEST_REGISTRATION; ret |= _hayes_request(modem, &request); break; case MODEM_EVENT_TYPE_ERROR: /* do not make sense */ case MODEM_EVENT_TYPE_MESSAGE: case MODEM_EVENT_TYPE_MESSAGE_SENT: ret = -1; break; } return ret; } /* accessors */ static void _hayes_set_mode(ModemPlugin * modem, HayesMode mode) { Hayes * hayes = modem->priv; ModemEvent * event; if(hayes->mode == mode) return; switch(hayes->mode) { case HAYES_MODE_INIT: case HAYES_MODE_COMMAND: break; /* nothing to do */ case HAYES_MODE_DATA: if(hayes->rd_ppp_source != 0) g_source_remove(hayes->rd_ppp_source); hayes->rd_ppp_source = 0; if(hayes->wr_ppp_source != 0) g_source_remove(hayes->wr_ppp_source); hayes->rd_ppp_source = 0; /* reset registration media */ event = &hayes->events[MODEM_EVENT_TYPE_REGISTRATION]; free(hayes->registration_media); hayes->registration_media = NULL; event->registration.media = hayes->registration_media; /* reset modem */ _hayes_reset(modem); break; } switch(mode) { case HAYES_MODE_INIT: case HAYES_MODE_COMMAND: break; /* nothing to do */ case HAYES_MODE_DATA: /* report GPRS registration */ event = &hayes->events[MODEM_EVENT_TYPE_REGISTRATION]; free(hayes->registration_media); hayes->registration_media = strdup("GPRS"); event->registration.media = hayes->registration_media; modem->helper->event(modem->helper->modem, event); break; } hayes->mode = mode; } /* parser */ static int _parse_do(ModemPlugin * modem); static int _hayes_parse(ModemPlugin * modem) { Hayes * hayes = modem->priv; int ret = 0; size_t i = 0; char * p; #ifdef DEBUG fprintf(stderr, "DEBUG: %s() cnt=%lu\n", __func__, (unsigned long)hayes->rd_buf_cnt); #endif while(i < hayes->rd_buf_cnt) { if(hayes->rd_buf[i++] != '\r' && hayes->rd_buf[i - 1] != '\n') continue; hayes->rd_buf[i - 1] = '\0'; if(i < hayes->rd_buf_cnt && hayes->rd_buf[i] == '\n') i++; if(hayes->rd_buf[0] != '\0') ret |= _parse_do(modem); hayes->rd_buf_cnt -= i; memmove(hayes->rd_buf, &hayes->rd_buf[i], hayes->rd_buf_cnt); if((p = realloc(hayes->rd_buf, hayes->rd_buf_cnt)) != NULL) hayes->rd_buf = p; /* we can ignore errors... */ else if(hayes->rd_buf_cnt == 0) hayes->rd_buf = NULL; /* ...except when it's not one */ i = 0; } #if 0 if(hayes->mode == HAYES_MODE_PDU) return _parse_pdu(modem); #endif return ret; } static int _parse_do(ModemPlugin * modem) { Hayes * hayes = modem->priv; HayesCommand * command = (hayes->queue != NULL) ? hayes->queue->data : NULL; HayesCommandStatus status; if(command == NULL) /* this was most likely unsollicited */ return _hayes_parse_trigger(modem, hayes->rd_buf, NULL); if(_hayes_command_answer_append(command, hayes->rd_buf) != 0) return -1; if((status = _hayes_command_callback(command)) == HCS_ACTIVE) _hayes_parse_trigger(modem, hayes->rd_buf, command); if((status = _hayes_command_get_status(command)) == HCS_SUCCESS || status == HCS_ERROR) { _hayes_queue_pop(modem); _hayes_queue_push(modem); } return 0; } /* hayes_parse_trigger */ static int _hayes_parse_trigger(ModemPlugin * modem, char const * answer, HayesCommand * command) { size_t i; size_t count = sizeof(_hayes_trigger_handlers) / sizeof(*_hayes_trigger_handlers); size_t len; HayesTriggerHandler * th; char const * p; int j; #ifdef DEBUG fprintf(stderr, "DEBUG: %s(modem, \"%s\", command)\n", __func__, answer); #endif /* if the trigger is obvious return directly */ for(i = 0; i < count; i++) { th = &_hayes_trigger_handlers[i]; len = strlen(th->trigger); if(strncmp(th->trigger, answer, len) != 0) continue; if(answer[len] == ':') { if(answer[++len] == ' ') /* skip the optional space */ len++; } else if(answer[len] != '\0') continue; th->callback(modem, &answer[len]); return 0; } /* if the answer has no prefix choose it from the command issued */ if(command == NULL || (p = _hayes_command_get_attention(command)) == NULL || strncmp(p, "AT", 2) != 0) return 0; for(i = 0; i < count; i++) { th = &_hayes_trigger_handlers[i]; len = strlen(th->trigger); if(strncmp(th->trigger, &p[2], len) != 0 || isalnum((j = p[2 + len]))) continue; th->callback(modem, answer); return 0; } return 0; } /* queue */ /* hayes_queue_command */ static int _hayes_queue_command(ModemPlugin * modem, HayesCommand * command) { Hayes * hayes = modem->priv; GSList * queue; switch(hayes->mode) { case HAYES_MODE_INIT: /* FIXME should ignore commands sent at this point */ case HAYES_MODE_COMMAND: case HAYES_MODE_DATA: queue = hayes->queue; hayes->queue = g_slist_append(hayes->queue, command); _hayes_command_set_status(command, HCS_QUEUED); if(queue == NULL) _hayes_queue_push(modem); break; } return 0; } /* hayes_queue_command_full */ static int _hayes_queue_command_full(ModemPlugin * modem, char const * attention, HayesCommandCallback callback) { HayesCommand * command; #ifdef DEBUG fprintf(stderr, "DEBUG: %s(\"%s\")\n", __func__, attention); #endif if((command = _hayes_command_new(attention)) == NULL) return -modem->helper->error(modem->helper->modem, error_get(), 1); _hayes_command_set_callback(command, callback, modem); if(_hayes_queue_command(modem, command) != 0) { _hayes_command_delete(command); return -1; } return 0; } /* hayes_queue_flush */ static void _hayes_queue_flush(ModemPlugin * modem) { Hayes * hayes = modem->priv; g_slist_foreach(hayes->queue, (GFunc)_hayes_command_delete, NULL); g_slist_free(hayes->queue); hayes->queue = NULL; free(hayes->rd_buf); hayes->rd_buf = NULL; hayes->rd_buf_cnt = 0; if(hayes->rd_source != 0) g_source_remove(hayes->rd_source); hayes->rd_source = 0; hayes->wr_buf = NULL; hayes->wr_buf_cnt = 0; if(hayes->wr_source != 0) g_source_remove(hayes->wr_source); hayes->wr_source = 0; if(hayes->source != 0) g_source_remove(hayes->source); hayes->source = 0; if(hayes->timeout != 0) g_source_remove(hayes->timeout); hayes->timeout = 0; } /* hayes_queue_pop */ static int _hayes_queue_pop(ModemPlugin * modem) { Hayes * hayes = modem->priv; HayesCommand * command; #ifdef DEBUG fprintf(stderr, "DEBUG: %s()\n", __func__); #endif if(hayes->timeout != 0) g_source_remove(hayes->timeout); hayes->timeout = 0; if(hayes->queue == NULL) /* nothing to send */ return 0; command = hayes->queue->data; /* XXX assumes it's valid */ _hayes_command_delete(command); hayes->queue = g_slist_remove(hayes->queue, command); return 0; } /* hayes_queue_push */ static int _hayes_queue_push(ModemPlugin * modem) { Hayes * hayes = modem->priv; HayesCommand * command; char const * prefix = ""; char const * attention; const char suffix[2] = "\r\n"; size_t size; char * p; if(hayes->queue == NULL) /* nothing to send */ return 0; command = hayes->queue->data; attention = _hayes_command_get_attention(command); #ifdef DEBUG fprintf(stderr, "DEBUG: %s() pushing \"%s\"\n", __func__, attention); #endif if(hayes->mode == HAYES_MODE_DATA) #if 0 /* FIXME does not seem to work */ prefix = "+++\r\n"; #else return 0; /* XXX ignoring commands in DATA mode */ #endif size = strlen(prefix) + strlen(attention) + sizeof(suffix); if((p = realloc(hayes->wr_buf, hayes->wr_buf_cnt + size)) == NULL) return -modem->helper->error(modem->helper->modem, strerror( errno), 1); hayes->wr_buf = p; snprintf(&hayes->wr_buf[hayes->wr_buf_cnt], size, "%s%s%s", prefix, attention, suffix); hayes->wr_buf_cnt += size; _hayes_command_set_status(command, HCS_ACTIVE); if(hayes->channel != NULL && hayes->wr_source == 0) hayes->wr_source = g_io_add_watch(hayes->channel, G_IO_OUT, _on_watch_can_write, modem); if(hayes->timeout != 0) g_source_remove(hayes->timeout); if((hayes->timeout = _hayes_command_get_timeout(command)) != 0) hayes->timeout = g_timeout_add(hayes->timeout, _on_timeout, modem); return 0; } /* hayes_reset */ static int _hayes_reset(ModemPlugin * modem) { Hayes * hayes = modem->priv; _hayes_stop(modem); _hayes_start(modem, hayes->retry); return 0; } /* commands */ static HayesCommand * _hayes_command_new(char const * attention) { HayesCommand * command; if((command = object_new(sizeof(*command))) == NULL) return NULL; command->priority = HCP_NORMAL; command->status = HCS_PENDING; command->attention = string_new(attention); command->timeout = 30000; command->callback = NULL; command->priv = NULL; command->answer = NULL; if(command->attention == NULL) { _hayes_command_delete(command); return NULL; } return command; } /* hayes_command_delete */ static void _hayes_command_delete(HayesCommand * command) { string_delete(command->attention); string_delete(command->answer); object_delete(command); } /* hayes_command_get_answer */ static char const * _hayes_command_get_answer(HayesCommand * command) { return command->answer; } /* hayes_command_get_attention */ static char const * _hayes_command_get_attention(HayesCommand * command) { return command->attention; } /* hayes_command_get_line */ static char * _hayes_command_get_line(HayesCommand * command, char const * prefix) { /* FIXME also return the other lines matching */ char * ret; char const * answer = command->answer; size_t len; char * p; if(prefix == NULL) return NULL; len = strlen(prefix); while(answer != NULL) if(strncmp(answer, prefix, len) == 0 && strncmp(&answer[len], ": ", 2) == 0) { if((ret = string_new(&answer[len + 2])) != NULL && (p = strchr(ret, '\n')) != NULL) *p = '\0'; return ret; } else if((answer = strchr(answer, '\n')) != NULL) answer++; return NULL; } /* hayes_command_get_status */ static HayesCommandStatus _hayes_command_get_status(HayesCommand * command) { return command->status; } /* hayes_command_get_timeout */ static unsigned int _hayes_command_get_timeout(HayesCommand * command) { return command->timeout; } /* hayes_command_set_callback */ static void _hayes_command_set_callback(HayesCommand * command, HayesCommandCallback callback, void * priv) { command->callback = callback; command->priv = priv; } /* hayes_command_set_priority */ static void _hayes_command_set_priority(HayesCommand * command, HayesCommandPriority priority) { command->priority = priority; } /* hayes_command_set_status */ static void _hayes_command_set_status(HayesCommand * command, HayesCommandStatus status) { command->status = status; } /* hayes_command_set_timeout */ static void _hayes_command_set_timeout(HayesCommand * command, unsigned int timeout) { command->timeout = timeout; } /* hayes_command_answer_append */ static int _hayes_command_answer_append(HayesCommand * command, char const * answer) { char * p; if(answer == NULL) return 0; if(command->answer == NULL) p = string_new_append(answer, "\n", NULL); else p = string_new_append(command->answer, answer, "\n", NULL); if(p == NULL) return -1; free(command->answer); command->answer = p; return 0; } /* hayes_command_callback */ static HayesCommandStatus _hayes_command_callback(HayesCommand * command) { if(command->callback == NULL) { if(command->status == HCS_ACTIVE) /* we don't expect any answer */ command->status = HCS_SUCCESS; } else command->status = command->callback(command, command->status, command->priv); return command->status; } /* callbacks */ /* on_reset */ static int _reset_open(ModemPlugin * modem); static int _reset_configure(ModemPlugin * modem, char const * device, int fd); static unsigned int _reset_configure_baudrate(ModemPlugin * modem, unsigned int baudrate); static gboolean _reset_settle(gpointer data); static HayesCommandStatus _on_reset_callback(HayesCommand * command, HayesCommandStatus status, void * priv); static gboolean _on_reset(gpointer data) { ModemPlugin * modem = data; Hayes * hayes = modem->priv; GError * error = NULL; int fd; #ifdef DEBUG fprintf(stderr, "DEBUG: %s()\n", __func__); #endif _hayes_stop(modem); if((fd = _reset_open(modem)) < 0) { modem->helper->error(NULL, error_get(), 1); if(hayes->retry > 0) hayes->source = g_timeout_add(hayes->retry, _on_reset, modem); return FALSE; } hayes->channel = g_io_channel_unix_new(fd); if((g_io_channel_set_encoding(hayes->channel, NULL, &error)) != G_IO_STATUS_NORMAL) modem->helper->error(modem->helper->modem, error->message, 1); g_io_channel_set_buffered(hayes->channel, FALSE); hayes->rd_source = g_io_add_watch(hayes->channel, G_IO_IN, _on_watch_can_read, modem); _reset_settle(modem); return FALSE; } static int _reset_open(ModemPlugin * modem) { char const * device = modem->config[HAYES_CONFIG_DEVICE].value; int fd; if(device == NULL) device = "/dev/modem"; if((fd = open(device, O_RDWR | O_NONBLOCK)) < 0) return -error_set_code(1, "%s: %s", device, strerror(errno)); if(_reset_configure(modem, device, fd) != 0) { close(fd); return -1; } return fd; } static int _reset_configure(ModemPlugin * modem, char const * device, int fd) { unsigned int baudrate = (unsigned long)modem->config[ HAYES_CONFIG_BAUDRATE].value; unsigned int hwflow = (modem->config[HAYES_CONFIG_HWFLOW].value != NULL) ? 1 : 0; struct stat st; int fl; struct termios term; baudrate = _reset_configure_baudrate(modem, baudrate); if(flock(fd, LOCK_EX | LOCK_NB) != 0) return 1; fl = fcntl(fd, F_GETFL, 0); if(fcntl(fd, F_SETFL, fl & ~O_NONBLOCK) == -1) return 1; if(fstat(fd, &st) != 0) return 1; if(st.st_mode & S_IFCHR) /* character special */ { if(tcgetattr(fd, &term) != 0) return 1; term.c_cflag &= ~(CSIZE | PARENB); term.c_cflag |= CS8; term.c_cflag |= CREAD; term.c_cflag |= CLOCAL; if(hwflow != 0) term.c_cflag |= CRTSCTS; else term.c_cflag &= ~CRTSCTS; term.c_iflag = (IGNPAR | IGNBRK); term.c_lflag = 0; term.c_oflag = 0; term.c_cc[VMIN] = 1; term.c_cc[VTIME] = 0; if(cfsetispeed(&term, 0) != 0) /* same speed as output speed */ error_set("%s", device); /* go on anyway */ if(cfsetospeed(&term, baudrate) != 0) error_set("%s", device); /* go on anyway */ if(tcsetattr(fd, TCSAFLUSH, &term) != 0) return 1; } return 0; } static unsigned int _reset_configure_baudrate(ModemPlugin * modem, unsigned int baudrate) { switch(baudrate) { case 1200: return B1200; case 2400: return B2400; case 4800: return B4800; case 9600: return B9600; case 19200: return B19200; case 38400: return B38400; #ifdef B76800 case 76800: return B76800; #endif #ifdef B14400 case 14400: return B14400; #endif #ifdef B28800 case 28800: return B28800; #endif case 57600: return B57600; case 115200: return B115200; case 460800: return B460800; case 921600: return B921600; default: error_set("%u%s", baudrate, "Unsupported baudrate (using 115200)"); modem->helper->error(NULL, error_get(), 1); return B115200; } } static gboolean _reset_settle(gpointer data) { ModemPlugin * modem = data; HayesCommand * command; if((command = _hayes_command_new("ATZ")) == NULL) { modem->helper->error(modem->helper->modem, error_get(), 1); return FALSE; } _hayes_command_set_callback(command, _on_reset_callback, modem); _hayes_command_set_priority(command, HCP_IMMEDIATE); _hayes_command_set_timeout(command, 500); if(_hayes_queue_command(modem, command) != 0) { modem->helper->error(modem->helper->modem, error_get(), 1); _hayes_command_delete(command); } return FALSE; } static HayesCommandStatus _on_reset_callback(HayesCommand * command, HayesCommandStatus status, void * priv) { ModemPlugin * modem = priv; Hayes * hayes = modem->priv; ModemRequest request; #ifdef DEBUG fprintf(stderr, "DEBUG: %s()\n", __func__); #endif if(hayes->timeout != 0) g_source_remove(hayes->timeout); hayes->timeout = 0; switch(status) { case HCS_PENDING: /* should not happen */ case HCS_QUEUED: case HCS_SUCCESS: case HCS_ERROR: break; case HCS_ACTIVE: /* a reply was obtained */ status = _on_request_generic(command, status, modem); if(status != HCS_SUCCESS && status != HCS_ERROR) return HCS_ACTIVE; _hayes_set_mode(modem, HAYES_MODE_COMMAND); request.type = HAYES_REQUEST_LOCAL_ECHO_DISABLE; _hayes_request(modem, &request); request.type = HAYES_REQUEST_VERBOSE; _hayes_request(modem, &request); request.type = HAYES_REQUEST_MODEL; _hayes_request(modem, &request); request.type = HAYES_REQUEST_EXTENDED_ERRORS; _hayes_request(modem, &request); request.type = HAYES_REQUEST_FUNCTIONAL; _hayes_request(modem, &request); return HCS_SUCCESS; case HCS_TIMEOUT: /* try again */ _reset_settle(modem); break; } return HCS_ERROR; /* destroy and queue again */ } /* on_timeout */ static gboolean _on_timeout(gpointer data) { ModemPlugin * modem = data; Hayes * hayes = modem->priv; HayesCommand * command; #ifdef DEBUG fprintf(stderr, "DEBUG: %s()\n", __func__); #endif hayes->timeout = 0; if(hayes->queue == NULL || (command = hayes->queue->data) == NULL) return FALSE; _hayes_command_set_status(command, HCS_TIMEOUT); _hayes_command_callback(command); _hayes_queue_pop(modem); _hayes_queue_push(modem); return FALSE; } /* on_watch_can_read */ static gboolean _on_watch_can_read(GIOChannel * source, GIOCondition condition, gpointer data) { ModemPlugin * modem = data; Hayes * hayes = modem->priv; gsize cnt = 0; GError * error = NULL; GIOStatus status; char * p; if(condition != G_IO_IN || source != hayes->channel) return FALSE; /* should not happen */ if((p = realloc(hayes->rd_buf, hayes->rd_buf_cnt + 256)) == NULL) return TRUE; /* XXX retries immediately (delay?) */ hayes->rd_buf = p; status = g_io_channel_read_chars(source, &hayes->rd_buf[hayes->rd_buf_cnt], 256, &cnt, &error); #ifdef DEBUG fprintf(stderr, "%s", "DEBUG: MODEM: "); fwrite(&hayes->rd_buf[hayes->rd_buf_cnt], sizeof(*p), cnt, stderr); #endif hayes->rd_buf_cnt += cnt; switch(status) { case G_IO_STATUS_NORMAL: break; case G_IO_STATUS_ERROR: modem->helper->error(modem->helper->modem, error->message, 1); case G_IO_STATUS_EOF: default: /* should not happen... */ if(hayes->retry > 0) _hayes_reset(modem); hayes->rd_source = 0; return FALSE; } switch(hayes->mode) { case HAYES_MODE_INIT: case HAYES_MODE_COMMAND: _hayes_parse(modem); break; case HAYES_MODE_DATA: if(hayes->wr_ppp_channel == NULL || hayes->wr_ppp_source != 0) break; hayes->wr_ppp_source = g_io_add_watch( hayes->wr_ppp_channel, G_IO_OUT, _on_watch_can_write_ppp, modem); break; } return TRUE; } /* on_watch_can_read_ppp */ static gboolean _on_watch_can_read_ppp(GIOChannel * source, GIOCondition condition, gpointer data) { ModemPlugin * modem = data; Hayes * hayes = modem->priv; gsize cnt = 0; GError * error = NULL; GIOStatus status; char * p; if(condition != G_IO_IN || source != hayes->rd_ppp_channel) return FALSE; /* should not happen */ if((p = realloc(hayes->wr_buf, hayes->wr_buf_cnt + 256)) == NULL) return TRUE; /* XXX retries immediately (delay?) */ hayes->wr_buf = p; status = g_io_channel_read_chars(source, &hayes->wr_buf[hayes->wr_buf_cnt], 256, &cnt, &error); hayes->wr_buf_cnt += cnt; switch(status) { case G_IO_STATUS_NORMAL: break; case G_IO_STATUS_ERROR: modem->helper->error(modem->helper->modem, error->message, 1); case G_IO_STATUS_EOF: default: hayes->rd_ppp_source = 0; _hayes_set_mode(modem, HAYES_MODE_INIT); return FALSE; } if(hayes->channel != NULL && hayes->wr_source == 0) hayes->wr_source = g_io_add_watch(hayes->channel, G_IO_OUT, _on_watch_can_write, modem); return TRUE; } /* on_watch_can_write */ static gboolean _on_watch_can_write(GIOChannel * source, GIOCondition condition, gpointer data) { ModemPlugin * modem = data; Hayes * hayes = modem->priv; gsize cnt = 0; GError * error = NULL; GIOStatus status; char * p; if(condition != G_IO_OUT || source != hayes->channel) return FALSE; /* should not happen */ status = g_io_channel_write_chars(source, hayes->wr_buf, hayes->wr_buf_cnt, &cnt, &error); #ifdef DEBUG fprintf(stderr, "%s", "DEBUG: PHONE: "); fwrite(hayes->wr_buf, sizeof(*p), cnt, stderr); #endif if(cnt != 0) /* some data may have been written anyway */ { hayes->wr_buf_cnt -= cnt; memmove(hayes->wr_buf, &hayes->wr_buf[cnt], hayes->wr_buf_cnt); if((p = realloc(hayes->wr_buf, hayes->wr_buf_cnt)) != NULL) hayes->wr_buf = p; /* we can ignore errors... */ else if(hayes->wr_buf_cnt == 0) hayes->wr_buf = NULL; /* ...except when it's not one */ } switch(status) { case G_IO_STATUS_NORMAL: break; case G_IO_STATUS_ERROR: modem->helper->error(modem->helper->modem, error->message, 1); case G_IO_STATUS_EOF: default: /* should not happen */ hayes->wr_source = 0; if(hayes->retry > 0) _hayes_reset(modem); return FALSE; } if(hayes->wr_buf_cnt > 0) /* there is more data to write */ return TRUE; hayes->wr_source = 0; return FALSE; } /* on_watch_can_write_ppp */ static gboolean _on_watch_can_write_ppp(GIOChannel * source, GIOCondition condition, gpointer data) { ModemPlugin * modem = data; Hayes * hayes = modem->priv; gsize cnt = 0; GError * error = NULL; GIOStatus status; char * p; if(condition != G_IO_OUT || source != hayes->wr_ppp_channel) return FALSE; /* should not happen */ status = g_io_channel_write_chars(source, hayes->rd_buf, hayes->rd_buf_cnt, &cnt, &error); if(cnt != 0) /* some data may have been written anyway */ { hayes->rd_buf_cnt -= cnt; memmove(hayes->rd_buf, &hayes->rd_buf[cnt], hayes->rd_buf_cnt); if((p = realloc(hayes->rd_buf, hayes->rd_buf_cnt)) != NULL) hayes->rd_buf = p; /* we can ignore errors... */ else if(hayes->rd_buf_cnt == 0) hayes->rd_buf = NULL; /* ...except when it's not one */ } switch(status) { case G_IO_STATUS_NORMAL: break; case G_IO_STATUS_ERROR: modem->helper->error(modem->helper->modem, error->message, 1); case G_IO_STATUS_EOF: default: hayes->wr_ppp_source = 0; _hayes_set_mode(modem, HAYES_MODE_INIT); return FALSE; } if(hayes->rd_buf_cnt > 0) /* there is more data to write */ return TRUE; hayes->wr_ppp_source = 0; return FALSE; } /* on_request_authentication */ static HayesCommandStatus _on_request_authentication(HayesCommand * command, HayesCommandStatus status, void * priv) { ModemPlugin * modem = priv; Hayes * hayes = modem->priv; ModemEvent * event = &hayes->events[MODEM_EVENT_TYPE_AUTHENTICATION]; ModemRequest request; memset(&request, 0, sizeof(&request)); switch((status = _on_request_generic(command, status, priv))) { case HCS_ERROR: event->authentication.status = MODEM_AUTHENTICATION_STATUS_ERROR; break; case HCS_SUCCESS: break; default: return status; } if(event->authentication.name != NULL) modem->helper->event(modem->helper->modem, event); if(event->authentication.status == MODEM_AUTHENTICATION_STATUS_OK) { request.type = HAYES_REQUEST_OPERATOR_FORMAT_LONG; _hayes_request(modem, &request); request.type = HAYES_REQUEST_REGISTRATION_UNSOLLICITED_ENABLE; _hayes_request(modem, &request); request.type = MODEM_REQUEST_REGISTRATION; request.registration.mode = MODEM_REGISTRATION_MODE_AUTOMATIC; _hayes_request(modem, &request); /* force a registration report */ request.type = HAYES_REQUEST_REGISTRATION; _hayes_request(modem, &request); request.type = HAYES_REQUEST_MESSAGE_UNSOLLICITED_ENABLE; _hayes_request(modem, &request); /* refresh the current call status */ _hayes_trigger(modem, MODEM_EVENT_TYPE_CALL); /* refresh the contact list */ request.type = MODEM_REQUEST_CONTACT_LIST; _hayes_request(modem, &request); } return status; } /* on_request_battery_level */ static HayesCommandStatus _on_request_battery_level(HayesCommand * command, HayesCommandStatus status, void * priv) { ModemPlugin * modem = priv; Hayes * hayes = modem->priv; ModemEvent * event = &hayes->events[MODEM_EVENT_TYPE_BATTERY_LEVEL]; if((status = _on_request_generic(command, status, priv)) != HCS_SUCCESS) return status; modem->helper->event(modem->helper->modem, event); return status; } /* on_request_call */ static HayesCommandStatus _on_request_call(HayesCommand * command, HayesCommandStatus status, void * priv) { ModemPlugin * modem = priv; Hayes * hayes = modem->priv; ModemEvent * event = &hayes->events[MODEM_EVENT_TYPE_CALL]; if((status = _on_request_generic(command, status, priv)) != HCS_SUCCESS) return status; modem->helper->event(modem->helper->modem, event); return status; } /* on_request_call_incoming */ static HayesCommandStatus _on_request_call_incoming(HayesCommand * command, HayesCommandStatus status, void * priv) { ModemPlugin * modem = priv; Hayes * hayes = modem->priv; ModemEvent * event = &hayes->events[MODEM_EVENT_TYPE_CALL]; if((status = _on_request_generic(command, status, priv)) != HCS_SUCCESS && status != HCS_ERROR) return status; event->call.direction = MODEM_CALL_DIRECTION_INCOMING; event->call.status = (status == HCS_SUCCESS) ? MODEM_CALL_STATUS_ACTIVE : MODEM_CALL_STATUS_NONE; modem->helper->event(modem->helper->modem, event); return status; } /* on_request_call_outgoing */ static HayesCommandStatus _on_request_call_outgoing(HayesCommand * command, HayesCommandStatus status, void * priv) { ModemPlugin * modem = priv; Hayes * hayes = modem->priv; ModemEvent * event = &hayes->events[MODEM_EVENT_TYPE_CALL]; if((status = _on_request_generic(command, status, priv)) != HCS_SUCCESS && status != HCS_ERROR) return status; event->call.direction = MODEM_CALL_DIRECTION_OUTGOING; event->call.status = (status == HCS_SUCCESS) ? MODEM_CALL_STATUS_ACTIVE : MODEM_CALL_STATUS_NONE; modem->helper->event(modem->helper->modem, event); return status; } /* on_request_call_status */ static HayesCommandStatus _on_request_call_status(HayesCommand * command, HayesCommandStatus status, void * priv) { ModemPlugin * modem = priv; if((status = _on_request_generic(command, status, priv)) != HCS_SUCCESS && status != HCS_ERROR) return status; _hayes_trigger(modem, MODEM_EVENT_TYPE_CALL); return status; } /* on_request_contacts */ static HayesCommandStatus _on_request_contacts(HayesCommand * command, HayesCommandStatus status, void * priv) { /* FIXME implement */ return _on_request_generic(command, status, priv); } /* on_request_functional */ static HayesCommandStatus _on_request_functional(HayesCommand * command, HayesCommandStatus status, void * priv) { ModemPlugin * modem = priv; ModemRequest request; memset(&request, 0, sizeof(request)); switch((status = _on_request_generic(command, status, priv))) { case HCS_TIMEOUT: /* repeat request */ request.type = HAYES_REQUEST_FUNCTIONAL_ENABLE; _hayes_request(modem, &request); break; default: break; } return status; } /* on_request_generic */ static HayesCommandStatus _on_request_generic(HayesCommand * command, HayesCommandStatus status, void * priv) { char const * answer; if(status != HCS_ACTIVE) /* XXX should not happen */ return HCS_ERROR; if((answer = _hayes_command_get_answer(command)) == NULL) return HCS_ERROR; while(answer != NULL) /* FIXME also handle BUSY/NO CARRIER/CONNECT/etc */ if(strncmp(answer, "OK\n", 3) == 0) return HCS_SUCCESS; else if(strncmp(answer, "ERROR\n", 6) == 0) return HCS_ERROR; else if((answer = strchr(answer, '\n')) != NULL) answer++; return HCS_ACTIVE; } /* on_request_messages */ static HayesCommandStatus _on_request_messages(HayesCommand * command, HayesCommandStatus status, void * priv) { /* FIXME implement */ return _on_request_generic(command, status, priv); } /* on_request_model */ static HayesCommandStatus _on_request_model(HayesCommand * command, HayesCommandStatus status, void * priv) { ModemPlugin * modem = priv; Hayes * hayes = modem->priv; ModemEvent * event = &hayes->events[MODEM_EVENT_TYPE_MODEL]; if((status = _on_request_generic(command, status, priv)) != HCS_SUCCESS) return status; modem->helper->event(modem->helper->modem, event); return status; } /* on_trigger_call_error */ static void _on_trigger_call_error(ModemPlugin * modem, char const * answer) { Hayes * hayes = modem->priv; HayesCommand * command = (hayes->queue != NULL) ? hayes->queue->data : NULL; if(command != NULL) _hayes_command_set_status(command, HCS_ERROR); _hayes_trigger(modem, MODEM_EVENT_TYPE_CALL); } /* on_trigger_cbc */ static void _on_trigger_cbc(ModemPlugin * modem, char const * answer) { Hayes * hayes = modem->priv; ModemEvent * event = &hayes->events[MODEM_EVENT_TYPE_BATTERY_LEVEL]; int res; unsigned int u; unsigned int v; double f; if((res = sscanf(answer, "%u,%u", &u, &v)) != 2) return; event->battery_level.status = MODEM_BATTERY_STATUS_UNKNOWN; if(u == 0) u = MODEM_BATTERY_STATUS_CONNECTED; else if(u == 1) u = MODEM_BATTERY_STATUS_CHARGING; else if(u == 2) u = MODEM_BATTERY_STATUS_NONE; else if(u == 3) u = MODEM_BATTERY_STATUS_ERROR; else u = MODEM_BATTERY_STATUS_UNKNOWN; switch((event->battery_level.status = u)) { case MODEM_BATTERY_STATUS_CONNECTED: case MODEM_BATTERY_STATUS_CHARGING: f = v; if(hayes->quirks & HAYES_QUIRK_BATTERY_70) f /= 70.0; else f /= 100.0; f = max(f, 0.0); event->battery_level.level = min(f, 1.0); break; default: event->battery_level.level = 0.0 / 0.0; break; } } /* on_trigger_cfun */ static void _on_trigger_cfun(ModemPlugin * modem, char const * answer) { unsigned int u; ModemRequest request; if(sscanf(answer, "%u", &u) != 1) return; memset(&request, 0, sizeof(request)); if(u != 1) { /* FIXME only enable if requested to */ request.type = HAYES_REQUEST_FUNCTIONAL_ENABLE; return; } request.type = HAYES_REQUEST_EXTENDED_RING_REPORTS; _hayes_request(modem, &request); request.type = MODEM_REQUEST_CALL_PRESENTATION; request.call_presentation.enabled = 1; _hayes_request(modem, &request); request.type = HAYES_REQUEST_CALL_WAITING_UNSOLLICITED_ENABLE; _hayes_request(modem, &request); request.type = HAYES_REQUEST_CONNECTED_LINE_ENABLE; _hayes_request(modem, &request); request.type = HAYES_REQUEST_SIM_PIN_VALID; _hayes_request(modem, &request); } /* on_trigger_cgatt */ static void _on_trigger_cgatt(ModemPlugin * modem, char const * answer) { Hayes * hayes = modem->priv; ModemEvent * event = &hayes->events[MODEM_EVENT_TYPE_REGISTRATION]; unsigned int u; if(sscanf(answer, "%u", &u) != 1) return; free(hayes->registration_media); if(u == 1) hayes->registration_media = strdup("GPRS"); else hayes->registration_media = NULL; event->registration.media = hayes->registration_media; } /* on_trigger_cgmi */ static void _on_trigger_cgmi(ModemPlugin * modem, char const * answer) { Hayes * hayes = modem->priv; ModemEvent * event = &hayes->events[MODEM_EVENT_TYPE_MODEL]; char * p; if((p = strdup(answer)) == NULL) return; /* XXX report error? */ free(hayes->model_vendor); hayes->model_vendor = p; event->model.vendor = p; } /* on_trigger_cgmm */ static void _on_trigger_cgmm(ModemPlugin * modem, char const * answer) { Hayes * hayes = modem->priv; ModemEvent * event = &hayes->events[MODEM_EVENT_TYPE_MODEL]; char * p; size_t i; if((p = strdup(answer)) == NULL) return; /* XXX report error? */ free(hayes->model_name); hayes->model_name = p; event->model.name = p; /* determine known quirks */ for(i = 0; _hayes_quirks[i].model != NULL; i++) if(strcmp(_hayes_quirks[i].model, p) == 0) { hayes->quirks = _hayes_quirks[i].quirks; #ifdef DEBUG fprintf(stderr, "DEBUG: %s() quirks=%u\n", __func__, hayes->quirks); #endif break; } } /* on_trigger_cgmr */ static void _on_trigger_cgmr(ModemPlugin * modem, char const * answer) /* FIXME the output may be multi-line */ { Hayes * hayes = modem->priv; ModemEvent * event = &hayes->events[MODEM_EVENT_TYPE_MODEL]; char * p; if((p = strdup(answer)) == NULL) return; /* XXX report error? */ free(hayes->model_version); hayes->model_version = p; event->model.version = p; } /* on_trigger_clip */ static void _on_trigger_clip(ModemPlugin * modem, char const * answer) { Hayes * hayes = modem->priv; ModemEvent * event = &hayes->events[MODEM_EVENT_TYPE_CALL]; char buf[32]; unsigned int u; if(sscanf(answer, "\"%31[^\"]\",%u", buf, &u) != 2) return; buf[sizeof(buf) - 1] = '\0'; free(hayes->call_number); switch(u) { case 145: if((hayes->call_number = malloc(sizeof(buf) + 1)) == NULL) break; snprintf(hayes->call_number, sizeof(buf) + 1, "%s%s", "+", buf); break; default: hayes->call_number = strdup(buf); break; } /* this is always an unsollicited event */ modem->helper->event(modem->helper->modem, event); } /* on_trigger_cme_error */ static void _on_trigger_cme_error(ModemPlugin * modem, char const * answer) { Hayes * hayes = modem->priv; HayesCommand * command = (hayes->queue != NULL) ? hayes->queue->data : NULL; unsigned int u; if(command != NULL) _hayes_command_set_status(command, HCS_ERROR); if(sscanf(answer, "%u", &u) != 1) return; switch(u) { case 11: /* SIM PIN required */ case 12: /* SIM PUK required */ _hayes_trigger(modem, MODEM_EVENT_TYPE_AUTHENTICATION); break; default: /* FIXME implement the rest */ break; } } /* on_trigger_cms_error */ static void _on_trigger_cms_error(ModemPlugin * modem, char const * answer) { Hayes * hayes = modem->priv; HayesCommand * command = (hayes->queue != NULL) ? hayes->queue->data : NULL; unsigned int u; if(command != NULL) _hayes_command_set_status(command, HCS_ERROR); if(sscanf(answer, "%u", &u) != 1) return; switch(u) { case 311: /* SIM PIN required */ case 316: /* SIM PUK required */ _hayes_trigger(modem, MODEM_EVENT_TYPE_AUTHENTICATION); break; default: /* FIXME implement the rest */ break; } } /* on_trigger_cmti */ static void _on_trigger_cmti(ModemPlugin * modem, char const * answer) { char buf[32]; unsigned int u; ModemRequest request; if(sscanf(answer, "\"%31[^\"]\",%u", buf, &u) != 2) return; buf[sizeof(buf) - 1] = '\0'; /* fetch the new message directly */ memset(&request, 0, sizeof(request)); request.type = MODEM_REQUEST_MESSAGE; request.message.id = u; _hayes_request(modem, &request); } /* on_trigger_connect */ static void _on_trigger_connect(ModemPlugin * modem, char const * answer) { Hayes * hayes = modem->priv; HayesCommand * command = (hayes->queue != NULL) ? hayes->queue->data : NULL; char * argv[] = { "/usr/sbin/pppd", "pppd", "call", "phone", "user", "", "password", "", NULL }; GSpawnFlags flags = G_SPAWN_FILE_AND_ARGV_ZERO; int wfd; int rfd; GError * error = NULL; if(command != NULL) /* XXX else report error? */ _hayes_command_set_status(command, HCS_SUCCESS); _hayes_set_mode(modem, HAYES_MODE_DATA); if(hayes->gprs_username != NULL) argv[5] = hayes->gprs_username; if(hayes->gprs_password != NULL) argv[7] = hayes->gprs_password; if(g_spawn_async_with_pipes(NULL, argv, NULL, flags, NULL, NULL, NULL, &wfd, &rfd, NULL, &error) == FALSE) { modem->helper->error(NULL, error->message, 1); _hayes_reset(modem); return; } hayes->rd_ppp_channel = g_io_channel_unix_new(rfd); g_io_channel_set_encoding(hayes->rd_ppp_channel, NULL, &error); g_io_channel_set_buffered(hayes->rd_ppp_channel, FALSE); hayes->rd_ppp_source = g_io_add_watch(hayes->rd_ppp_channel, G_IO_IN, _on_watch_can_read_ppp, modem); hayes->wr_ppp_channel = g_io_channel_unix_new(wfd); g_io_channel_set_encoding(hayes->wr_ppp_channel, NULL, &error); g_io_channel_set_buffered(hayes->wr_ppp_channel, FALSE); hayes->wr_ppp_source = 0; } /* on_trigger_colp */ static void _on_trigger_colp(ModemPlugin * modem, char const * answer) { Hayes * hayes = modem->priv; ModemEvent * event = &hayes->events[MODEM_EVENT_TYPE_CALL]; char buf[32]; unsigned int u; if(sscanf(answer, "\"%31[^\"]\",%u", buf, &u) != 2) return; /* FIXME there may be different or more information */ buf[sizeof(buf) - 1] = '\0'; free(hayes->call_number); switch(u) { case 145: if((hayes->call_number = malloc(sizeof(buf) + 1)) == NULL) break; snprintf(hayes->call_number, sizeof(buf) + 1, "%s%s", "+", buf); break; default: hayes->call_number = strdup(buf); break; } event->call.number = hayes->call_number; } /* on_trigger_cops */ static void _on_trigger_cops(ModemPlugin * modem, char const * answer) { Hayes * hayes = modem->priv; ModemEvent * event = &hayes->events[MODEM_EVENT_TYPE_REGISTRATION]; unsigned int u; unsigned int v; char buf[32]; unsigned int w; if(sscanf(answer, "%u,%u,\"%31[^\"]\",%u", &u, &v, buf, &w) < 3) return; /* FIXME is also valid with 1 result */ buf[sizeof(buf) - 1] = '\0'; free(hayes->registration_operator); hayes->registration_operator = strdup(buf); event->registration._operator = hayes->registration_operator; switch(u) { case 0: u = MODEM_REGISTRATION_MODE_AUTOMATIC; break; case 1: u = MODEM_REGISTRATION_MODE_MANUAL; break; case 2: u = MODEM_REGISTRATION_MODE_DISABLED; break; case 3: /* only for setting the format */ default: u = event->registration.mode; break; } /* this is usually worth an event */ modem->helper->event(modem->helper->modem, event); } /* on_trigger_cpas */ static void _on_trigger_cpas(ModemPlugin * modem, char const * answer) { Hayes * hayes = modem->priv; ModemEvent * event = &hayes->events[MODEM_EVENT_TYPE_CALL]; unsigned int u; if(sscanf(answer, "%u", &u) != 1) return; switch(u) { case 0: event->call.status = MODEM_CALL_STATUS_NONE; event->call.direction = MODEM_CALL_DIRECTION_NONE; break; case 3: event->call.status = MODEM_CALL_STATUS_RINGING; /* report event */ modem->helper->event(modem->helper->modem, event); break; case 4: event->call.status = MODEM_CALL_STATUS_ACTIVE; event->call.direction = MODEM_CALL_DIRECTION_NONE; break; case 2: /* XXX unknown */ default: break; } } /* on_trigger_cpbr */ static void _on_trigger_cpbr(ModemPlugin * modem, char const * answer) { Hayes * hayes = modem->priv; ModemRequest request; HayesRequestContactList list; ModemEvent * event = &hayes->events[MODEM_EVENT_TYPE_CONTACT]; unsigned int u; unsigned int v; char number[32]; char name[32]; char * p; if(sscanf(answer, "(%u-%u)", &u, &v) == 2) { memset(&request, 0, sizeof(request)); request.type = HAYES_REQUEST_CONTACT_LIST; list.from = u; list.to = v; request.plugin.data = &list; _hayes_request(modem, &request); return; } if(sscanf(answer, "%u,\"%31[^\"]\",%u,\"%31[^\"]\"", &event->contact.id, number, &u, name) != 4) return; number[sizeof(number) - 1] = '\0'; /* FIXME the number may have to be modified */ free(hayes->contact_number); hayes->contact_number = strdup(number); event->contact.number = hayes->contact_number; name[sizeof(name) - 1] = '\0'; #if 1 /* FIXME is it really always in ISO-8859-1? */ if((p = g_convert(name, -1, "UTF-8", "ISO-8859-1", NULL, NULL, NULL)) != NULL) { snprintf(name, sizeof(name), "%s", p); g_free(p); } #endif free(hayes->contact_name); hayes->contact_name = strdup(name); event->contact.name = hayes->contact_name; /* send event */ modem->helper->event(modem->helper->modem, event); } /* on_trigger_cpin */ static void _on_trigger_cpin(ModemPlugin * modem, char const * answer) { Hayes * hayes = modem->priv; ModemEvent * event = &hayes->events[MODEM_EVENT_TYPE_AUTHENTICATION]; char * p; if(strcmp(answer, "READY") == 0) event->authentication.status = MODEM_AUTHENTICATION_STATUS_OK; else if(strcmp(answer, "SIM PIN") == 0) { free(hayes->authentication_name); p = strdup(answer); hayes->authentication_name = p; event->authentication.name = p; event->authentication.method = MODEM_AUTHENTICATION_METHOD_PIN; event->authentication.status = MODEM_AUTHENTICATION_STATUS_REQUIRED; /* FIXME also provide remaining retries */ } } /* on_trigger_creg */ static void _on_trigger_creg(ModemPlugin * modem, char const * answer) { Hayes * hayes = modem->priv; ModemEvent * event = &hayes->events[MODEM_EVENT_TYPE_REGISTRATION]; int res; unsigned int u[4] = { 0, 0, 0, 0 }; ModemRequest request; res = sscanf(answer, "%u,%u,%X,%X", &u[0], &u[1], &u[2], &u[3]); if(res == 0) return; if(res == 1 || res == 3) memmove(&u[1], u, sizeof(*u) * 3); u[0] = event->registration.mode; switch(u[1]) { case 0: u[0] = MODEM_REGISTRATION_MODE_DISABLED; u[1] = MODEM_REGISTRATION_STATUS_NOT_SEARCHING; break; case 1: u[1] = MODEM_REGISTRATION_STATUS_REGISTERED; break; case 2: u[1] = MODEM_REGISTRATION_STATUS_SEARCHING; break; case 3: u[1] = MODEM_REGISTRATION_STATUS_DENIED; break; case 5: u[1] = MODEM_REGISTRATION_STATUS_REGISTERED; break; case 4: /* unknown */ default: u[0] = MODEM_REGISTRATION_MODE_UNKNOWN; u[1] = MODEM_REGISTRATION_STATUS_UNKNOWN; break; } event->registration.mode = u[0]; switch((event->registration.status = u[1])) { case MODEM_REGISTRATION_STATUS_REGISTERED: memset(&request, 0, sizeof(request)); request.type = HAYES_REQUEST_GPRS_ATTACHED; _hayes_request(modem, &request); request.type = HAYES_REQUEST_OPERATOR; _hayes_request(modem, &request); request.type = HAYES_REQUEST_SIGNAL_LEVEL; _hayes_request(modem, &request); break; default: event->registration.signal = 0.0 / 0.0; /* this is usually an unsollicited event */ modem->helper->event(modem->helper->modem, event); break; } } /* on_trigger_cring */ static void _on_trigger_cring(ModemPlugin * modem, char const * answer) { Hayes * hayes = modem->priv; ModemEvent * event = &hayes->events[MODEM_EVENT_TYPE_CALL]; if(strcmp(answer, "VOICE") == 0) ; /* FIXME implement */ event->call.status = MODEM_CALL_STATUS_RINGING; event->call.direction = MODEM_CALL_DIRECTION_INCOMING; event->call.number = ""; /* this is always an unsollicited event */ modem->helper->event(modem->helper->modem, event); } /* on_trigger_csq */ static void _on_trigger_csq(ModemPlugin * modem, char const * answer) { Hayes * hayes = modem->priv; ModemEvent * event = &hayes->events[MODEM_EVENT_TYPE_REGISTRATION]; unsigned int u; unsigned int v; if(sscanf(answer, "%u,%u", &u, &v) != 2) return; if(u > 31) event->registration.signal = 0.0 / 0.0; else event->registration.signal = (u / 32) + 0.0; /* this is usually worth an event */ modem->helper->event(modem->helper->modem, event); } /* helpers */ /* is_figure */ static int _is_figure(int c) { if(c >= '0' && c <= '9') return 1; if(c == '*' || c == '+' || c == '#') return 1; if(c >= 'A' && c <= 'D') return 1; return 0; } /* is_number */ static int _is_number(char const * number) { if(number == NULL || number[0] == '\0') return 0; while(*number != '\0') if(!_is_figure(*(number++))) return 0; return 1; }