| 45 | } |
| 46 | |
| 47 | connect_client* connect_pool::peek() |
| 48 | { |
| 49 | lock_->lock(); |
| 50 | if (alive_ == false) |
| 51 | { |
| 52 | time_t now = time(NULL); |
| 53 | if (now - last_dead_ < retry_inter_) |
| 54 | { |
| 55 | lock_->unlock(); |
| 56 | return NULL; |
| 57 | } |
| 58 | alive_ = true; |
| 59 | } |
| 60 | |
| 61 | connect_client* conn; |
| 62 | |
| 63 | std::list<connect_client*>::iterator it = pool_.begin(); |
| 64 | if (it != pool_.end()) |
| 65 | { |
| 66 | conn = *it; |
| 67 | pool_.erase(it); |
| 68 | total_used_++; |
| 69 | current_used_++; |
| 70 | lock_->unlock(); |
| 71 | return conn; |
| 72 | } |
| 73 | else if (count_ >= max_) |
| 74 | { |
| 75 | lock_->unlock(); |
| 76 | return NULL; |
| 77 | } |
| 78 | |
| 79 | conn = create_connect(); |
| 80 | if (conn->open() == false) |
| 81 | { |
| 82 | delete conn; |
| 83 | alive_ = false; |
| 84 | time(&last_dead_); |
| 85 | (void) time(&last_dead_); |
| 86 | lock_->unlock(); |
| 87 | return NULL; |
| 88 | } |
| 89 | |
| 90 | count_++; |
| 91 | |
| 92 | total_used_++; |
| 93 | current_used_++; |
| 94 | |
| 95 | lock_->unlock(); |
| 96 | return conn; |
| 97 | } |
| 98 | |
| 99 | void connect_pool::put(connect_client* conn, bool keep /* = true */) |
| 100 | { |