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/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
#include <string.h>
#include <stdlib.h>
#include "mm-serial-parsers.h"
#include "mm-errors.h"
/* Clean up the response by removing control characters like <CR><LF> etc */
static void
response_clean (GString *response)
{
char *s;
/* Ends with '<CR><LF>' */
s = response->str + response->len - 1;
if (*s == '\n' && *(--s) == '\r')
g_string_truncate (response, response->len - 2);
/* Starts with '<CR><LF>' */
s = response->str;
if (*s == '\r' && *(++s) == '\n')
g_string_erase (response, 0, 2);
}
static gboolean
remove_eval_cb (const GMatchInfo *match_info,
GString *result,
gpointer user_data)
{
int *result_len = (int *) user_data;
int start;
int end;
if (g_match_info_fetch_pos (match_info, 0, &start, &end))
*result_len -= (end - start);
return TRUE;
}
static void
remove_matches (GRegex *r, GString *string)
{
char *str;
int result_len = string->len;
str = g_regex_replace_eval (r, string->str, string->len, 0, 0,
remove_eval_cb, &result_len, NULL);
g_string_truncate (string, 0);
g_string_append_len (string, str, result_len);
g_free (str);
}
/* FIXME: V0 parser is not finished */
#if 0
typedef struct {
GRegex *generic_response;
GRegex *detailed_error;
} MMSerialParserV0;
gpointer
mm_serial_parser_v0_new (void)
{
MMSerialParserV0 *parser;
GRegexCompileFlags flags = G_REGEX_DOLLAR_ENDONLY | G_REGEX_RAW | G_REGEX_OPTIMIZE;
parser = g_slice_new (MMSerialParserV0);
parser->generic_response = g_regex_new ("(\\d)\\r%", flags, 0, NULL);
parser->detailed_error = g_regex_new ("+CME ERROR: (\\d+)\\r\\n$", flags, 0, NULL);
return parser;
}
gboolean
mm_serial_parser_v0_parse (gpointer parser,
GString *response,
GError **error)
{
MMSerialParserV0 *parser = (MMSerialParserV0 *) data;
GMatchInfo *match_info;
char *str;
int code;
gboolean found;
found = g_regex_match_full (parser->generic_response, response->str, response->len, 0, 0, &match_info, NULL);
if (found) {
str = g_match_info_fetch (match_info, 1);
if (str) {
code = atoi (str);
g_free (str);
}
g_match_info_free (match_info);
return TRUE;
}
found = g_regex_match_full (parser->detailed_error, response->str, response->len, 0, 0, &match_info, NULL);
if (found) {
str = g_match_info_fetch (match_info, 1);
if (str) {
code = atoi (str);
g_free (str);
} else
code = MM_MOBILE_ERROR_UNKNOWN;
g_match_info_free (match_info);
g_debug ("Got error code %d: %s", code, msg);
g_set_error (error, MM_MOBILE_ERROR, code, "%s", msg);
return TRUE;
}
return FALSE;
}
void
mm_serial_parser_v0_destroy (gpointer parser)
{
MMSerialParserV0 *parser = (MMSerialParserV0 *) data;
g_regex_unref (parser->generic_response);
g_regex_unref (parser->detailed_error);
g_slice_free (MMSerialParserV0, data);
}
#endif
typedef struct {
GRegex *regex_ok;
GRegex *regex_connect;
GRegex *regex_detailed_error;
GRegex *regex_unknown_error;
GRegex *regex_connect_failed;
} MMSerialParserV1;
gpointer
mm_serial_parser_v1_new (void)
{
MMSerialParserV1 *parser;
GRegexCompileFlags flags = G_REGEX_DOLLAR_ENDONLY | G_REGEX_RAW | G_REGEX_OPTIMIZE;
parser = g_slice_new (MMSerialParserV1);
parser->regex_ok = g_regex_new ("\\r\\nOK\\r\\n$", flags, 0, NULL);
parser->regex_connect = g_regex_new ("\\r\\nCONNECT\\s*\\d*\\r\\n$", flags, 0, NULL);
parser->regex_detailed_error = g_regex_new ("\\r\\n\\+CME ERROR: (\\d+)\\r\\n$", flags, 0, NULL);
parser->regex_unknown_error = g_regex_new ("\\r\\n(ERROR)|(COMMAND NOT SUPPORT)\\r\\n$", flags, 0, NULL);
parser->regex_connect_failed = g_regex_new ("\\r\\n(NO CARRIER)|(BUSY)|(NO ANSWER)|(NO DIALTONE)\\r\\n$", flags, 0, NULL);
return parser;
}
gboolean
mm_serial_parser_v1_parse (gpointer data,
GString *response,
GError **error)
{
MMSerialParserV1 *parser = (MMSerialParserV1 *) data;
GMatchInfo *match_info;
const char *msg;
int code;
gboolean found = FALSE;
/* First, check for successfule responses */
found = g_regex_match_full (parser->regex_ok, response->str, response->len, 0, 0, NULL, NULL);
if (found)
remove_matches (parser->regex_ok, response);
else
found = g_regex_match_full (parser->regex_connect, response->str, response->len, 0, 0, NULL, NULL);
if (found) {
response_clean (response);
return TRUE;
}
/* Now failures */
code = MM_MOBILE_ERROR_UNKNOWN;
found = g_regex_match_full (parser->regex_detailed_error,
response->str, response->len,
0, 0, &match_info, NULL);
if (found) {
char *str;
str = g_match_info_fetch (match_info, 1);
if (str) {
code = atoi (str);
g_free (str);
}
g_match_info_free (match_info);
} else
found = g_regex_match_full (parser->regex_unknown_error, response->str, response->len, 0, 0, NULL, NULL);
if (found) {
#if 0
/* FIXME: This does not work for some reason. */
GEnumValue *enum_value;
enum_value = g_enum_get_value ((GEnumClass *) g_type_class_peek_static (), code);
msg = enum_value->value_nick;
#endif
msg = "FIXME";
g_debug ("Got error code %d: %s", code, msg);
g_set_error (error, MM_MOBILE_ERROR, code, "%s", msg);
} else {
found = g_regex_match_full (parser->regex_connect_failed,
response->str, response->len,
0, 0, &match_info, NULL);
if (found) {
char *str;
str = g_match_info_fetch (match_info, 1);
if (str) {
if (!strcmp (str, "NO CARRIER")) {
code = MM_MODEM_CONNECT_ERROR_NO_CARRIER;
msg = "No carrier";
} else if (!strcmp (str, "BUSY")) {
code = MM_MODEM_CONNECT_ERROR_BUSY;
msg = "Busy";
} else if (!strcmp (str, "NO ANSWER")) {
code = MM_MODEM_CONNECT_ERROR_NO_ANSWER;
msg = "No answer";
} else if (!strcmp (str, "NO DIALTONE")) {
code = MM_MODEM_CONNECT_ERROR_NO_DIALTONE;
msg = "No dialtone";
} else {
g_warning ("Got matching connect failure, but can't parse it");
/* uhm... make something up (yes, ok, lie!). */
code = MM_MODEM_CONNECT_ERROR_NO_CARRIER;
msg = "No carrier";
}
g_free (str);
}
g_match_info_free (match_info);
g_debug ("Got connect failure code %d: %s", code, msg);
g_set_error (error, MM_MODEM_CONNECT_ERROR, code, "%s", msg);
}
}
return found;
}
void
mm_serial_parser_v1_destroy (gpointer data)
{
MMSerialParserV1 *parser = (MMSerialParserV1 *) data;
g_regex_unref (parser->regex_ok);
g_regex_unref (parser->regex_connect);
g_regex_unref (parser->regex_detailed_error);
g_regex_unref (parser->regex_unknown_error);
g_regex_unref (parser->regex_connect_failed);
g_slice_free (MMSerialParserV1, data);
}
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