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/* //device/system/rild/rild.c
**
** Copyright 2006 The Android Open Source Project
**
** Licensed under the Apache License, Version 2.0 (the "License");
** you may not use this file except in compliance with the License.
** You may obtain a copy of the License at
**
** http://www.apache.org/licenses/LICENSE-2.0
**
** Unless required by applicable law or agreed to in writing, software
** distributed under the License is distributed on an "AS IS" BASIS,
** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
** See the License for the specific language governing permissions and
** limitations under the License.
*/
#include <stdio.h>
#include <stdlib.h>
#include <dlfcn.h>
#include <string.h>
#include <stdint.h>
#include <unistd.h>
#include <fcntl.h>
#include <errno.h>
#include <guest/hals/ril/libril/ril.h>
#define LOG_TAG "RILD"
#include <log/log.h>
#include <cutils/properties.h>
#include <cutils/sockets.h>
#include <sys/capability.h>
#include <sys/prctl.h>
#include <sys/stat.h>
#include <sys/types.h>
#include <guest/hals/ril/libril/ril_ex.h>
#define LIB_PATH_PROPERTY "vendor.rild.libpath"
#define LIB_ARGS_PROPERTY "vendor.rild.libargs"
#define MAX_LIB_ARGS 16
static void usage(const char *argv0) {
fprintf(stderr, "Usage: %s -l <ril impl library> [-- <args for impl library>]\n", argv0);
exit(EXIT_FAILURE);
}
extern char ril_service_name_base[MAX_SERVICE_NAME_LENGTH];
extern char ril_service_name[MAX_SERVICE_NAME_LENGTH];
extern void RIL_register (const RIL_RadioFunctions *callbacks);
extern void rilc_thread_pool ();
extern void RIL_register_socket (const RIL_RadioFunctions *(*rilUimInit)
(const struct RIL_Env *, int, char **), RIL_SOCKET_TYPE socketType, int argc, char **argv);
extern void RIL_onRequestComplete(RIL_Token t, RIL_Errno e,
void *response, size_t responselen);
extern void RIL_onRequestAck(RIL_Token t);
#if defined(ANDROID_MULTI_SIM)
extern void RIL_onUnsolicitedResponse(int unsolResponse, const void *data,
size_t datalen, RIL_SOCKET_ID socket_id);
#else
extern void RIL_onUnsolicitedResponse(int unsolResponse, const void *data,
size_t datalen);
#endif
extern void RIL_requestTimedCallback (RIL_TimedCallback callback,
void *param, const struct timeval *relativeTime);
static struct RIL_Env s_rilEnv = {
RIL_onRequestComplete,
RIL_onUnsolicitedResponse,
RIL_requestTimedCallback,
RIL_onRequestAck
};
extern void RIL_startEventLoop();
static int make_argv(char * args, char ** argv) {
// Note: reserve argv[0]
int count = 1;
char * tok;
char * s = args;
while ((tok = strtok(s, " \0"))) {
argv[count] = tok;
s = NULL;
count++;
}
return count;
}
int main(int argc, char **argv) {
// vendor ril lib path either passed in as -l parameter, or read from rild.libpath property
const char *rilLibPath = NULL;
// ril arguments either passed in as -- parameter, or read from rild.libargs property
char **rilArgv;
// handle for vendor ril lib
void *dlHandle;
// Pointer to ril init function in vendor ril
const RIL_RadioFunctions *(*rilInit)(const struct RIL_Env *, int, char **);
// Pointer to sap init function in vendor ril
const RIL_RadioFunctions *(*rilUimInit)(const struct RIL_Env *, int, char **);
const char *err_str = NULL;
// functions returned by ril init function in vendor ril
const RIL_RadioFunctions *funcs;
// lib path from rild.libpath property (if it's read)
char libPath[PROPERTY_VALUE_MAX];
// flat to indicate if -- parameters are present
unsigned char hasLibArgs = 0;
int i;
// ril/socket id received as -c parameter, otherwise set to 0
const char *clientId = NULL;
RLOGD("**RIL Daemon Started - Version 1.4**");
RLOGD("**RILd param count=%d**", argc);
umask(S_IRGRP | S_IWGRP | S_IXGRP | S_IROTH | S_IWOTH | S_IXOTH);
for (i = 1; i < argc ;) {
if (0 == strcmp(argv[i], "-l") && (argc - i > 1)) {
rilLibPath = argv[i + 1];
i += 2;
} else if (0 == strcmp(argv[i], "--")) {
i++;
hasLibArgs = 1;
break;
} else if (0 == strcmp(argv[i], "-c") && (argc - i > 1)) {
clientId = argv[i+1];
i += 2;
} else {
usage(argv[0]);
}
}
if (clientId == NULL) {
clientId = "0";
} else if (atoi(clientId) >= MAX_RILDS) {
RLOGE("Max Number of rild's supported is: %d", MAX_RILDS);
exit(0);
}
if (strncmp(clientId, "0", MAX_CLIENT_ID_LENGTH)) {
snprintf(ril_service_name, sizeof(ril_service_name), "%s%s", ril_service_name_base,
clientId);
}
if (rilLibPath == NULL) {
if ( 0 == property_get(LIB_PATH_PROPERTY, libPath, NULL)) {
// No lib sepcified on the command line, and nothing set in props.
// Assume "no-ril" case.
goto done;
} else {
rilLibPath = libPath;
}
}
dlHandle = dlopen(rilLibPath, RTLD_NOW);
if (dlHandle == NULL) {
RLOGE("dlopen failed: %s", dlerror());
exit(EXIT_FAILURE);
}
RIL_startEventLoop();
rilInit =
(const RIL_RadioFunctions *(*)(const struct RIL_Env *, int, char **))
dlsym(dlHandle, "RIL_Init");
if (rilInit == NULL) {
RLOGE("RIL_Init not defined or exported in %s\n", rilLibPath);
exit(EXIT_FAILURE);
}
dlerror(); // Clear any previous dlerror
rilUimInit =
(const RIL_RadioFunctions *(*)(const struct RIL_Env *, int, char **))
dlsym(dlHandle, "RIL_SAP_Init");
err_str = dlerror();
if (err_str) {
RLOGW("RIL_SAP_Init not defined or exported in %s: %s\n", rilLibPath, err_str);
} else if (!rilUimInit) {
RLOGW("RIL_SAP_Init defined as null in %s. SAP Not usable\n", rilLibPath);
}
if (hasLibArgs) {
rilArgv = argv + i - 1;
argc = argc -i + 1;
} else {
static char * newArgv[MAX_LIB_ARGS];
static char args[PROPERTY_VALUE_MAX];
rilArgv = newArgv;
property_get(LIB_ARGS_PROPERTY, args, "");
argc = make_argv(args, rilArgv);
}
rilArgv[argc++] = "-c";
rilArgv[argc++] = (char*)clientId;
RLOGD("RIL_Init argc = %d clientId = %s", argc, rilArgv[argc-1]);
// Make sure there's a reasonable argv[0]
rilArgv[0] = argv[0];
funcs = rilInit(&s_rilEnv, argc, rilArgv);
if (funcs == NULL) {
RLOGE("RIL_Init rilInit failed.\n");
exit(EXIT_FAILURE);
}
RLOGD("RIL_Init rilInit completed");
RLOGD("RIL_Init callback versions = %d", funcs->version);
RIL_register(funcs);
RLOGD("RIL_Init RIL_register completed");
if (rilUimInit) {
RLOGD("RIL_register_socket started");
RIL_register_socket(rilUimInit, RIL_SAP_SOCKET, argc, rilArgv);
}
RLOGD("RIL_register_socket completed");
done:
rilc_thread_pool();
RLOGD("RIL_Init starting sleep loop");
while (true) {
sleep(UINT32_MAX);
}
}
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