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